diff options
Diffstat (limited to 'target/linux/package/ieee80211-dscape/src')
34 files changed, 0 insertions, 18585 deletions
diff --git a/target/linux/package/ieee80211-dscape/src/Kconfig b/target/linux/package/ieee80211-dscape/src/Kconfig deleted file mode 100644 index 052a4190e5..0000000000 --- a/target/linux/package/ieee80211-dscape/src/Kconfig +++ /dev/null @@ -1,32 +0,0 @@ -config IEEE80211 - tristate "Generic IEEE 802.11 Networking Stack" - ---help--- - This option enables the hardware independent IEEE 802.11 - networking stack. - -config IEEE80211_DEBUG - bool "Enable debugging output" - depends on IEEE80211 - ---help--- - This option will enable debug tracing output for the - ieee80211 network stack. - - If you are not trying to debug or develop the ieee80211 - subsystem, you most likely want to say N here. - -config IEEE80211_VERBOSE_DEBUG - bool "Verbose debugging output" - depends on IEEE80211_DEBUG - -config TKIP_DEBUG - bool "TKIP debugging" - depends on IEEE80211_DEBUG - -config IEEE80211_DEBUG_COUNTERS - bool "Extra statistics for TX/RX debugging" - depends on IEEE80211_DEBUG - -config HOSTAPD_WPA_TESTING - bool "Support for TKIP countermeasures testing" - depends on IEEE80211_DEBUG - diff --git a/target/linux/package/ieee80211-dscape/src/Makefile b/target/linux/package/ieee80211-dscape/src/Makefile deleted file mode 100644 index ac4ab887ba..0000000000 --- a/target/linux/package/ieee80211-dscape/src/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -obj-$(CONFIG_IEEE80211) += 80211.o rate_control.o - -80211-objs := \ - ieee80211.o \ - ieee80211_ioctl.o \ - sta_info.o \ - wep.o \ - wpa.o \ - ieee80211_proc.o \ - ieee80211_scan.o \ - ieee80211_sta.o \ - michael.o \ - tkip.o \ - aes_ccm.o \ - wme.o - -ifeq ($(CONFIG_NET_SCHED),) - 80211-objs += fifo_qdisc.o -endif - -ifeq ($(CONFIG_IEEE80211_LEDS),y) - 80211-objs += ieee80211_led.o -endif diff --git a/target/linux/package/ieee80211-dscape/src/aes.c b/target/linux/package/ieee80211-dscape/src/aes.c deleted file mode 100644 index 085e4a9938..0000000000 --- a/target/linux/package/ieee80211-dscape/src/aes.c +++ /dev/null @@ -1,564 +0,0 @@ -/* Based on Rijndael implementation that has been placed in the public domain, - * although heavily modified. - * - * Modifications Copyright 2003, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Optimized both speed and size by removing not used key lengths (only - * 128-bit is used in IEEE 802.11i). - */ - -/* Use 256-byte Te4 table instead of larger 1024-byte */ -#define SMALL_TE4 - -/* Save data size by using only one 1k table, but with a drawback of having to - * rotate entries at lookup. This can be useful, if the CPU supports free - * rotate on memory read. However, if this is not the case, this is much slower - * than four-table implementation. */ -/* #define ONLY_ONE_TABLE */ - - -/* --- start of code that is based on public domain AES implementation --- */ - -/** - * rijndael-alg-fst.c - * - * @version 3.0 (December 2000) - * - * Optimised ANSI C code for the Rijndael cipher (now AES) - * - * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> - * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> - * @author Paulo Barreto <paulo.barreto@terra.com.br> - * - * This code is hereby placed in the public domain. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* -Te0[x] = S [x].[02, 01, 01, 03]; -Te1[x] = S [x].[03, 02, 01, 01]; -Te2[x] = S [x].[01, 03, 02, 01]; -Te3[x] = S [x].[01, 01, 03, 02]; -Te4[x] = S [x].[01, 01, 01, 01]; -*/ - -static const u32 Te0[256] = -{ - 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, - 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, - 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, - 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, - 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, - 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, - 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, - 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, - 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, - 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, - 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, - 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, - 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, - 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, - 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, - 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, - 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, - 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, - 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, - 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, - 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, - 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, - 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, - 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, - 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, - 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, - 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, - 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, - 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, - 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, - 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, - 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, - 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, - 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, - 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, - 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, - 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, - 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, - 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, - 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, - 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, - 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, - 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, - 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, - 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, - 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, - 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, - 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, - 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, - 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, - 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, - 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, - 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, - 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, - 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, - 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, - 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, - 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, - 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, - 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, - 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, - 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, - 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, - 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, -}; - -#ifndef ONLY_ONE_TABLE -static const u32 Te1[256] = -{ - 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, - 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, - 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, - 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, - 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, - 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, - 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, - 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, - 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, - 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, - 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, - 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, - 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, - 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, - 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, - 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, - 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, - 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, - 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, - 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, - 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, - 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, - 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, - 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, - 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, - 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, - 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, - 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, - 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, - 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, - 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, - 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, - 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, - 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, - 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, - 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, - 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, - 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, - 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, - 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, - 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, - 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, - 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, - 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, - 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, - 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, - 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, - 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, - 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, - 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, - 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, - 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, - 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, - 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, - 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, - 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, - 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, - 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, - 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, - 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, - 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, - 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, - 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, - 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, -}; - -static const u32 Te2[256] = -{ - 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, - 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, - 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, - 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, - 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, - 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, - 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, - 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, - 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, - 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, - 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, - 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, - 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, - 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, - 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, - 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, - 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, - 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, - 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, - 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, - 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, - 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, - 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, - 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, - 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, - 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, - 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, - 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, - 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, - 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, - 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, - 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, - 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, - 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, - 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, - 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, - 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, - 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, - 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, - 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, - 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, - 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, - 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, - 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, - 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, - 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, - 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, - 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, - 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, - 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, - 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, - 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, - 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, - 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, - 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, - 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, - 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, - 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, - 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, - 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, - 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, - 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, - 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, - 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, -}; - -static const u32 Te3[256] = -{ - 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, - 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, - 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, - 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, - 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, - 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, - 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, - 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, - 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, - 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, - 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, - 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, - 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, - 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, - 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, - 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, - 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, - 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, - 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, - 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, - 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, - 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, - 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, - 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, - 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, - 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, - 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, - 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, - 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, - 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, - 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, - 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, - 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, - 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, - 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, - 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, - 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, - 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, - 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, - 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, - 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, - 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, - 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, - 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, - 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, - 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, - 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, - 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, - 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, - 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, - 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, - 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, - 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, - 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, - 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, - 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, - 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, - 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, - 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, - 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, - 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, - 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, - 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, - 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, -}; - -#define TE0(v) (Te0[(v) >> 24]) -#define TE1(v) (Te1[((v) >> 16) & 0xff]) -#define TE2(v) (Te2[((v) >> 8) & 0xff]) -#define TE3(v) (Te3[(v) & 0xff]) - -#else /* ONLY_ONE_TABLE */ - - -static inline u32 ROR8(u32 v) -{ - return (v >> 8) | (v << 24); -} - -static inline u32 ROR16(u32 v) -{ - return (v >> 16) | (v << 16); -} - -static inline u32 ROR24(u32 v) -{ - return (v >> 24) | (v << 8); -} - -#define TE0(v) (Te0[(v) >> 24]) -#define TE1(v) (ROR8(Te0[((v) >> 16) & 0xff])) -#define TE2(v) (ROR16(Te0[((v) >> 8) & 0xff])) -#define TE3(v) (ROR24(Te0[(v) & 0xff])) - -#endif /* ONLY_ONE_TABLE */ - - - -#ifdef SMALL_TE4 -static const u8 Te4s[256] = { - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, - 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, - 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, - 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, - 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, - 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, - 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, - 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, - 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, - 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, - 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, - 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, - 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, - 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, - 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, - 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, - 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, - 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, - 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, - 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, - 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, - 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, - 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, - 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, - 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, - 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, - 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16, -}; - -#define TE4_1(v) (Te4s[(v) & 0xff] << 24) -#define TE4_2(v) (Te4s[(v) & 0xff] << 16) -#define TE4_3(v) (Te4s[(v) & 0xff] << 8) -#define TE4_4(v) (Te4s[(v) & 0xff]) - -#else /* SMALL_TE4 */ - -static const u32 Te4[256] = -{ - 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU, - 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U, - 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU, - 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U, - 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU, - 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U, - 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU, - 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U, - 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U, - 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU, - 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U, - 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U, - 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U, - 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU, - 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U, - 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U, - 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU, - 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U, - 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U, - 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U, - 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU, - 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU, - 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U, - 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU, - 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU, - 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U, - 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU, - 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U, - 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU, - 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U, - 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U, - 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U, - 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU, - 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U, - 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU, - 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U, - 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU, - 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U, - 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U, - 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU, - 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU, - 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU, - 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U, - 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U, - 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU, - 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U, - 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU, - 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U, - 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU, - 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U, - 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU, - 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU, - 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U, - 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU, - 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U, - 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU, - 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U, - 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U, - 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U, - 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU, - 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU, - 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U, - 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU, - 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, -}; - -#define TE4_1(v) (Te4[(v) & 0xff] & 0xff000000) -#define TE4_2(v) (Te4[(v) & 0xff] & 0x00ff0000) -#define TE4_3(v) (Te4[(v) & 0xff] & 0x0000ff00) -#define TE4_4(v) (Te4[(v) & 0xff] & 0x000000ff) - -#endif /* SMALL_TE4 */ - - -static const u32 rcon[] = { - 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, - 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000, -}; - -#define GETU32(pt) \ -(((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ \ -((u32)(pt)[3])) -#define PUTU32(ct, st) \ -{ (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \ -(ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); } - - -/* Expand the cipher key into the encryption key schedule. */ -void ieee80211_aes_key_setup_encrypt(u32 rk[/*44*/], const u8 key[]) -{ - int i; - u32 temp; - - rk[0] = GETU32(key ); - rk[1] = GETU32(key + 4); - rk[2] = GETU32(key + 8); - rk[3] = GETU32(key + 12); - - for (i = 0; i < 10; i++) { - temp = rk[3]; - rk[4] = rk[0] ^ TE4_1(temp >> 16) ^ TE4_2(temp >> 8) ^ - TE4_3(temp) ^ TE4_4(temp >> 24) ^ rcon[i]; - rk[5] = rk[1] ^ rk[4]; - rk[6] = rk[2] ^ rk[5]; - rk[7] = rk[3] ^ rk[6]; - rk += 4; - } -} - - -void ieee80211_aes_encrypt(const u32 rk[/*44*/], const u8 pt[16], u8 ct[16]) -{ - const int Nr = 10; - u32 s0, s1, s2, s3, t0, t1, t2, t3; - - /* Map byte array block to cipher state and add initial round key */ - s0 = GETU32(pt ) ^ rk[0]; - s1 = GETU32(pt + 4) ^ rk[1]; - s2 = GETU32(pt + 8) ^ rk[2]; - s3 = GETU32(pt + 12) ^ rk[3]; - -#define ROUND(r,d,s,i) \ -d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[i]; \ -d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[i + 1]; \ -d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[i + 2]; \ -d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[i + 3] - ROUND(1,t,s,4); - ROUND(2,s,t,8); - ROUND(3,t,s,12); - ROUND(4,s,t,16); - ROUND(5,t,s,20); - ROUND(6,s,t,24); - ROUND(7,t,s,28); - ROUND(8,s,t,32); - ROUND(9,t,s,36); -#undef ROUND - - rk += Nr << 2; - - /* Apply the last round and map cipher state to byte array block */ - s0 = TE4_1(t0 >> 24) ^ TE4_2(t1 >> 16) ^ TE4_3(t2 >> 8) ^ TE4_4(t3) ^ - rk[0]; - PUTU32(ct, s0); - s0 = TE4_1(t1 >> 24) ^ TE4_2(t2 >> 16) ^ TE4_3(t3 >> 8) ^ TE4_4(t0) ^ - rk[1]; - PUTU32(ct + 4, s0); - s0 = TE4_1(t2 >> 24) ^ TE4_2(t3 >> 16) ^ TE4_3(t0 >> 8) ^ TE4_4(t1) ^ - rk[2]; - PUTU32(ct + 8, s0); - s0 = TE4_1(t3 >> 24) ^ TE4_2(t0 >> 16) ^ TE4_3(t1 >> 8) ^ TE4_4(t2) ^ - rk[3]; - PUTU32(ct + 12, s0); -} - -/* --- end of code that is based on public domain AES implementation --- */ diff --git a/target/linux/package/ieee80211-dscape/src/aes_ccm.c b/target/linux/package/ieee80211-dscape/src/aes_ccm.c deleted file mode 100644 index bbc1f7bc96..0000000000 --- a/target/linux/package/ieee80211-dscape/src/aes_ccm.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright 2003-2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/types.h> -#include <linux/netdevice.h> - -#include <net/ieee80211.h> -#include "ieee80211_key.h" -#include "aes_ccm.h" - -#include "aes.c" - -static inline void aes_ccm_prepare(u32 *rk, u8 *b_0, u8 *aad, u8 *b, - u8 *s_0, u8 *a) -{ - int i; - - ieee80211_aes_encrypt(rk, b_0, b); - - /* Extra Authenticate-only data (always two AES blocks) */ - for (i = 0; i < AES_BLOCK_LEN; i++) - aad[i] ^= b[i]; - ieee80211_aes_encrypt(rk, aad, b); - - aad += AES_BLOCK_LEN; - - for (i = 0; i < AES_BLOCK_LEN; i++) - aad[i] ^= b[i]; - ieee80211_aes_encrypt(rk, aad, a); - - /* Mask out bits from auth-only-b_0 */ - b_0[0] &= 0x07; - - /* S_0 is used to encrypt T (= MIC) */ - b_0[14] = 0; - b_0[15] = 0; - ieee80211_aes_encrypt(rk, b_0, s_0); -} - - -void ieee80211_aes_ccm_encrypt(u32 *rk, u8 *b_0, u8 *aad, u8 *data, - size_t data_len, u8 *cdata, u8 *mic) -{ - int i, j, last_len, num_blocks; - u8 *pos, *cpos; - u8 b[AES_BLOCK_LEN], s_0[AES_BLOCK_LEN], e[AES_BLOCK_LEN]; - - num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; - last_len = data_len % AES_BLOCK_LEN; - aes_ccm_prepare(rk, b_0, aad, b, s_0, b); - - /* Process payload blocks */ - pos = data; - cpos = cdata; - for (j = 1; j <= num_blocks; j++) { - int blen = (j == num_blocks && last_len) ? - last_len : AES_BLOCK_LEN; - - /* Authentication followed by encryption */ - for (i = 0; i < blen; i++) - b[i] ^= pos[i]; - ieee80211_aes_encrypt(rk, b, b); - - b_0[14] = (j >> 8) & 0xff; - b_0[15] = j & 0xff; - ieee80211_aes_encrypt(rk, b_0, e); - for (i = 0; i < blen; i++) - *cpos++ = *pos++ ^ e[i]; - } - - for (i = 0; i < CCMP_MIC_LEN; i++) - mic[i] = b[i] ^ s_0[i]; -} - - -int ieee80211_aes_ccm_decrypt(u32 *rk, u8 *b_0, u8 *aad, u8 *cdata, - size_t data_len, u8 *mic, u8 *data) -{ - int i, j, last_len, num_blocks; - u8 *pos, *cpos; - u8 b[AES_BLOCK_LEN], s_0[AES_BLOCK_LEN], a[AES_BLOCK_LEN]; - - num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; - last_len = data_len % AES_BLOCK_LEN; - aes_ccm_prepare(rk, b_0, aad, b, s_0, a); - - /* Process payload blocks */ - cpos = cdata; - pos = data; - for (j = 1; j <= num_blocks; j++) { - int blen = (j == num_blocks && last_len) ? - last_len : AES_BLOCK_LEN; - - /* Decryption followed by authentication */ - b_0[14] = (j >> 8) & 0xff; - b_0[15] = j & 0xff; - ieee80211_aes_encrypt(rk, b_0, b); - for (i = 0; i < blen; i++) { - *pos = *cpos++ ^ b[i]; - a[i] ^= *pos++; - } - - ieee80211_aes_encrypt(rk, a, a); - } - - for (i = 0; i < CCMP_MIC_LEN; i++) { - if ((mic[i] ^ s_0[i]) != a[i]) - return -1; - } - - return 0; -} - diff --git a/target/linux/package/ieee80211-dscape/src/aes_ccm.h b/target/linux/package/ieee80211-dscape/src/aes_ccm.h deleted file mode 100644 index f741b088ed..0000000000 --- a/target/linux/package/ieee80211-dscape/src/aes_ccm.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright 2003-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef AES_CCM_H -#define AES_CCM_H - -#define AES_BLOCK_LEN 16 -#define AES_STATE_LEN 44 - -void ieee80211_aes_key_setup_encrypt(u32 rk[/*44*/], const u8 key[]); -void ieee80211_aes_encrypt(const u32 rk[/*44*/], const u8 pt[16], u8 ct[16]); -void ieee80211_aes_ccm_encrypt(u32 rk[/*44*/], u8 *b_0, u8 *aad, u8 *data, - size_t data_len, u8 *cdata, u8 *mic); -int ieee80211_aes_ccm_decrypt(u32 rk[/*44*/], u8 *b_0, u8 *aad, u8 *cdata, - size_t data_len, u8 *mic, u8 *data); - -#endif /* AES_CCM_H */ diff --git a/target/linux/package/ieee80211-dscape/src/fifo_qdisc.c b/target/linux/package/ieee80211-dscape/src/fifo_qdisc.c deleted file mode 100644 index 95bc0b5777..0000000000 --- a/target/linux/package/ieee80211-dscape/src/fifo_qdisc.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * If building without CONFIG_NET_SCHED we need a simple - * fifo qdisc to install by default as the sub-qdisc. - * This is a simple replacement for sch_fifo. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/netdevice.h> -#include <net/ieee80211.h> -#include "ieee80211_i.h" -#include "wme.h" - -static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc* qd) -{ - struct sk_buff_head *q = qdisc_priv(qd); - - if (skb_queue_len(q) > qd->dev->tx_queue_len) { - qd->qstats.drops++; - kfree_skb(skb); - return NET_XMIT_DROP; - } - - skb_queue_tail(q, skb); - qd->q.qlen++; - qd->bstats.bytes += skb->len; - qd->bstats.packets++; - - return NET_XMIT_SUCCESS; -} - - -static int pfifo_requeue(struct sk_buff *skb, struct Qdisc* qd) -{ - struct sk_buff_head *q = qdisc_priv(qd); - - skb_queue_head(q, skb); - qd->q.qlen++; - qd->bstats.bytes += skb->len; - qd->bstats.packets++; - - return NET_XMIT_SUCCESS; -} - - -static struct sk_buff *pfifo_dequeue(struct Qdisc* qd) -{ - struct sk_buff_head *q = qdisc_priv(qd); - - return skb_dequeue(q); -} - - -static int pfifo_init(struct Qdisc* qd, struct rtattr *opt) -{ - struct sk_buff_head *q = qdisc_priv(qd); - - skb_queue_head_init(q); - return 0; -} - - -static void pfifo_reset(struct Qdisc* qd) -{ - struct sk_buff_head *q = qdisc_priv(qd); - - skb_queue_purge(q); - qd->q.qlen = 0; -} - - -static int pfifo_dump(struct Qdisc *qd, struct sk_buff *skb) -{ - return skb->len; -} - - -struct Qdisc_ops pfifo_qdisc_ops = -{ - .next = NULL, - .cl_ops = NULL, - .id = "ieee80211_pfifo", - .priv_size = sizeof(struct sk_buff_head), - - .enqueue = pfifo_enqueue, - .dequeue = pfifo_dequeue, - .requeue = pfifo_requeue, - .drop = NULL, - - .init = pfifo_init, - .reset = pfifo_reset, - .destroy = NULL, - .change = NULL, - - .dump = pfifo_dump, -}; - diff --git a/target/linux/package/ieee80211-dscape/src/hostapd_ioctl.h b/target/linux/package/ieee80211-dscape/src/hostapd_ioctl.h deleted file mode 100644 index eff4858353..0000000000 --- a/target/linux/package/ieee80211-dscape/src/hostapd_ioctl.h +++ /dev/null @@ -1,438 +0,0 @@ -/* - * Host AP (software wireless LAN access point) user space daemon for - * Host AP kernel driver - * Copyright 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> - * Copyright 2002-2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef HOSTAPD_IOCTL_H -#define HOSTAPD_IOCTL_H - -#ifndef __KERNEL__ -#include "ieee80211_shared.h" -#endif /* __KERNEL__ */ - -#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0) -#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1) -#define PRISM2_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 3) -#define PRISM2_IOCTL_TEST_PARAM (SIOCIWFIRSTPRIV + 4) - -/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */ -enum { - PRISM2_PARAM_PTYPE = 1, - PRISM2_PARAM_TXRATECTRL = 2, - PRISM2_PARAM_BEACON_INT = 3, - PRISM2_PARAM_PSEUDO_IBSS = 4, - PRISM2_PARAM_ALC = 5, - PRISM2_PARAM_TXPOWER = 6, - PRISM2_PARAM_DUMP = 7, - PRISM2_PARAM_OTHER_AP_POLICY = 8, - PRISM2_PARAM_AP_MAX_INACTIVITY = 9, - PRISM2_PARAM_AP_BRIDGE_PACKETS = 10, - PRISM2_PARAM_DTIM_PERIOD = 11, - PRISM2_PARAM_AP_NULLFUNC_ACK = 12, - PRISM2_PARAM_MAX_WDS = 13, - PRISM2_PARAM_AP_AUTOM_AP_WDS = 14, - PRISM2_PARAM_AP_AUTH_ALGS = 15, - PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16, - PRISM2_PARAM_HOST_ENCRYPT = 17, - PRISM2_PARAM_HOST_DECRYPT = 18, - PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19, - PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20, - PRISM2_PARAM_HOST_ROAMING = 21, - PRISM2_PARAM_BCRX_STA_KEY = 22, - PRISM2_PARAM_IEEE_802_1X = 23, - PRISM2_PARAM_ANTSEL_TX = 24, - PRISM2_PARAM_ANTSEL_RX = 25, - PRISM2_PARAM_MONITOR_TYPE = 26, - PRISM2_PARAM_WDS_TYPE = 27, - PRISM2_PARAM_HOSTSCAN = 28, - PRISM2_PARAM_AP_SCAN = 29, - - /* Instant802 additions */ - PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES = 1001, - PRISM2_PARAM_DROP_UNENCRYPTED = 1002, - PRISM2_PARAM_PREAMBLE = 1003, - PRISM2_PARAM_RATE_LIMIT = 1004, - PRISM2_PARAM_RATE_LIMIT_BURST = 1005, - PRISM2_PARAM_SHORT_SLOT_TIME = 1006, - PRISM2_PARAM_TEST_MODE = 1007, - PRISM2_PARAM_NEXT_MODE = 1008, - PRISM2_PARAM_CLEAR_KEYS = 1009, - PRISM2_PARAM_ADM_STATUS = 1010, - PRISM2_PARAM_ANTENNA_SEL = 1011, - PRISM2_PARAM_CALIB_INT = 1012, - PRISM2_PARAM_ANTENNA_MODE = 1013, - PRISM2_PARAM_PRIVACY_INVOKED = 1014, - PRISM2_PARAM_BROADCAST_SSID = 1015, - PRISM2_PARAM_STAT_TIME = 1016, - PRISM2_PARAM_STA_ANTENNA_SEL = 1017, - PRISM2_PARAM_FORCE_UNICAST_RATE = 1018, - PRISM2_PARAM_RATE_CTRL_NUM_UP = 1019, - PRISM2_PARAM_RATE_CTRL_NUM_DOWN = 1020, - PRISM2_PARAM_MAX_RATECTRL_RATE = 1021, - PRISM2_PARAM_TX_POWER_REDUCTION = 1022, - PRISM2_PARAM_EAPOL = 1023, - PRISM2_PARAM_KEY_TX_RX_THRESHOLD = 1024, - PRISM2_PARAM_KEY_INDEX = 1025, - PRISM2_PARAM_DEFAULT_WEP_ONLY = 1026, - PRISM2_PARAM_WIFI_WME_NOACK_TEST = 1033, - PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS = 1034, - PRISM2_PARAM_SCAN_FLAGS = 1035, - PRISM2_PARAM_HW_MODES = 1036, - PRISM2_PARAM_CREATE_IBSS = 1037, - PRISM2_PARAM_WMM_ENABLED = 1038, - PRISM2_PARAM_MIXED_CELL = 1039, - PRISM2_PARAM_KEY_MGMT = 1040, - PRISM2_PARAM_RADAR_DETECT = 1043, - PRISM2_PARAM_SPECTRUM_MGMT = 1044, - /* NOTE: Please try to coordinate with other active development - * branches before allocating new param numbers so that each new param - * will be unique within all branches and the allocated number will not - * need to be changed when merging new features. Existing numbers in - * the mainline (or main devel branch) must not be changed when merging - * in new features. */ -}; - -/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */ -enum { - PRISM2_HOSTAPD_FLUSH = 1, - PRISM2_HOSTAPD_ADD_STA = 2, - PRISM2_HOSTAPD_REMOVE_STA = 3, - PRISM2_HOSTAPD_GET_INFO_STA = 4, - /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */ - PRISM2_SET_ENCRYPTION = 6, - PRISM2_GET_ENCRYPTION = 7, - PRISM2_HOSTAPD_SET_FLAGS_STA = 8, - PRISM2_HOSTAPD_GET_RID = 9, - PRISM2_HOSTAPD_SET_RID = 10, - PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11, - PRISM2_HOSTAPD_MLME = 13, - - /* Instant802 additions */ - PRISM2_HOSTAPD_SET_BEACON = 1001, - PRISM2_HOSTAPD_GET_HW_FEATURES = 1002, - PRISM2_HOSTAPD_SCAN = 1003, - PRISM2_HOSTAPD_WPA_TRIGGER = 1004, - PRISM2_HOSTAPD_SET_RATE_SETS = 1005, - PRISM2_HOSTAPD_ADD_IF = 1006, - PRISM2_HOSTAPD_REMOVE_IF = 1007, - PRISM2_HOSTAPD_GET_DOT11COUNTERSTABLE = 1008, - PRISM2_HOSTAPD_GET_LOAD_STATS = 1009, - PRISM2_HOSTAPD_SET_STA_VLAN = 1010, - PRISM2_HOSTAPD_SET_GENERIC_INFO_ELEM = 1011, - PRISM2_HOSTAPD_SET_CHANNEL_FLAG = 1012, - PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN = 1013, - PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS = 1014, - PRISM2_HOSTAPD_SET_BSS = 1015, - PRISM2_HOSTAPD_GET_TX_STATS = 1016, - PRISM2_HOSTAPD_UPDATE_IF = 1017, - PRISM2_HOSTAPD_SCAN_REQ = 1019, - PRISM2_STA_GET_STATE = 1020, - PRISM2_HOSTAPD_FLUSH_IFS = 1021, - PRISM2_HOSTAPD_SET_RADAR_PARAMS = 1023, - PRISM2_HOSTAPD_SET_QUIET_PARAMS = 1024, - PRISM2_HOSTAPD_GET_TX_POWER = 1025, - /* NOTE: Please try to coordinate with other active development - * branches before allocating new param numbers so that each new param - * will be unique within all branches and the allocated number will not - * need to be changed when merging new features. Existing numbers in - * the mainline (or main devel branch) must not be changed when merging - * in new features. */ -}; - - /* these definitions mirror the ieee80211_i.h - * IEEE80211_DISABLED, ... IEEE80211_ASSOCIATED enumeration */ -enum { - PRISM2_PARAM_STA_DISABLED, - PRISM2_PARAM_STA_AUTHENTICATE, - PRISM2_PARAM_STA_ASSOCIATE, - PRISM2_PARAM_STA_ASSOCIATED, -}; - -#define PRISM2_HOSTAPD_MAX_BUF_SIZE 2048 -#define HOSTAP_CRYPT_ALG_NAME_LEN 16 - -/* Use this to make sure that structure elements are correctly aligned - * for access as other types. Most commonly, this affects the placeholder - * types used for data at the end of a structure in this union. - */ -#ifdef __GNUC__ -#undef ALIGNED -#define ALIGNED __attribute__ ((aligned)) -#else -/* Check if it has been defined elsewhere */ -#ifndef ALIGNED -#error "Must define ALIGNED to generate aligned structure elements" -#endif -#endif - -struct prism2_hostapd_param { - u32 cmd; - u8 sta_addr[ETH_ALEN]; - u8 pad[2]; - union { - struct { - u16 aid; - u16 capability; - u8 supp_rates[32]; - /* atheros_super_ag and enc_flags are only used with - * IEEE80211_ATHEROS_SUPER_AG - */ - u8 atheros_super_ag; - u8 atheros_xr_mode; - u8 wds_flags; -#define IEEE80211_STA_DYNAMIC_ENC BIT(0) - u8 enc_flags; - } add_sta; - struct { - u32 inactive_msec; - u32 rx_packets; - u32 tx_packets; - u32 rx_bytes; - u32 tx_bytes; - u32 current_tx_rate; /* in 100 kbps */ - u32 channel_use; - u32 flags; - u32 num_ps_buf_frames; - u32 tx_retry_failed; - u32 tx_retry_count; - u32 last_rssi; - u32 last_ack_rssi; - } get_info_sta; - struct { - u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN]; - u32 flags; - u32 err; - u8 idx; -#define HOSTAP_SEQ_COUNTER_SIZE 8 - u8 seq_counter[HOSTAP_SEQ_COUNTER_SIZE]; - u16 key_len; - u8 key[0] ALIGNED; - } crypt; - struct { - u32 flags_and; - u32 flags_or; - } set_flags_sta; - struct { - u16 rid; - u16 len; - u8 data[0] ALIGNED; - } rid; - struct { - u16 head_len; - u16 tail_len; - u8 data[0] ALIGNED; /* head_len + tail_len bytes */ - } beacon; - struct { - u16 num_modes; - u16 flags; - u8 data[0] ALIGNED; /* num_modes * feature data */ - } hw_features; - struct { - u8 now; - s8 our_mode_only; - s16 last_rx; - u16 channel; - s16 interval; /* seconds */ - s32 listen; /* microseconds */ - } scan; - struct { -#define WPA_TRIGGER_FAIL_TX_MIC BIT(0) -#define WPA_TRIGGER_FAIL_TX_ICV BIT(1) -#define WPA_TRIGGER_FAIL_RX_MIC BIT(2) -#define WPA_TRIGGER_FAIL_RX_ICV BIT(3) -#define WPA_TRIGGER_TX_REPLAY BIT(4) -#define WPA_TRIGGER_TX_REPLAY_FRAG BIT(5) -#define WPA_TRIGGER_TX_SKIP_SEQ BIT(6) - u32 trigger; - } wpa_trigger; - struct { - u16 mode; /* MODE_* */ - u16 num_supported_rates; - u16 num_basic_rates; - u8 data[0] ALIGNED; /* num_supported_rates * u16 + - * num_basic_rates * u16 */ - } set_rate_sets; - struct { - u8 type; /* WDS, VLAN, etc */ - u8 name[IFNAMSIZ]; - u8 data[0] ALIGNED; - } if_info; - struct dot11_counters { - u32 dot11TransmittedFragmentCount; - u32 dot11MulticastTransmittedFrameCount; - u32 dot11FailedCount; - u32 dot11ReceivedFragmentCount; - u32 dot11MulticastReceivedFrameCount; - u32 dot11FCSErrorCount; - u32 dot11TransmittedFrameCount; - u32 dot11WEPUndecryptableCount; - u32 dot11ACKFailureCount; - u32 dot11RTSFailureCount; - u32 dot11RTSSuccessCount; - } dot11CountersTable; - struct { -#define LOAD_STATS_CLEAR BIT(1) - u32 flags; - u32 channel_use; - } get_load_stats; - struct { - char vlan_name[IFNAMSIZ]; - int vlan_id; - } set_sta_vlan; - struct { - u8 len; - u8 data[0] ALIGNED; - } set_generic_info_elem; - struct { - u16 mode; /* MODE_* */ - u16 chan; - u32 flag; - u8 power_level; /* regulatory limit in dBm */ - u8 antenna_max; - } set_channel_flag; - struct { - u32 rd; - } set_regulatory_domain; - struct { - u32 queue; - s32 aifs; - u32 cw_min; - u32 cw_max; - u32 burst_time; /* maximum burst time in 0.1 ms, i.e., - * 10 = 1 ms */ - } tx_queue_params; - struct { - u32 bss_count; - u8 bssid_mask[ETH_ALEN]; - } set_bss; - struct ieee80211_tx_stats { - struct { - unsigned int len; /* num packets in queue */ - unsigned int limit; /* queue len (soft) limit - */ - unsigned int count; /* total num frames sent */ - } data[4]; - } get_tx_stats; - struct { - u8 ssid_len; - u8 ssid[0] ALIGNED; - } scan_req; - struct { - u32 state; - } sta_get_state; - struct { -#define MLME_STA_DEAUTH 0 -#define MLME_STA_DISASSOC 1 - u16 cmd; - u16 reason_code; - } mlme; - struct { - unsigned int value; - /* TODO - int pulse_width; - int num_pulse; - int period; - */ - }radar; - struct { - unsigned int period; - unsigned int offset; - unsigned int duration; - }quiet; - struct { - unsigned int tx_power_min; - unsigned int tx_power_max; - }tx_power; - struct { - u8 dummy[80]; /* Make sizeof() this struct large enough - * with some compiler versions. */ - } dummy; - } u; -}; - - -#ifndef IEEE80211_TX_QUEUE_NUMS -#define IEEE80211_TX_QUEUE_NUMS -/* TODO: these need to be synchronized with ieee80211.h; make a shared header - * file that can be included into low-level drivers, 80211.o, and hostapd */ -/* tx_queue_params - queue */ -enum { - IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */ - IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */ - IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */ - IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */ - IEEE80211_TX_QUEUE_DATA4 = 4, - IEEE80211_TX_QUEUE_AFTER_BEACON = 6, - IEEE80211_TX_QUEUE_BEACON = 7 -}; -#endif /* IEEE80211_TX_QUEUE_NUMS */ - - -#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0) -#define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1) - -#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2 -#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3 -#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4 -#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5 -#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6 -#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7 - -#define HOSTAP_HW_FLAG_NULLFUNC_OK BIT(0) - -enum { - IEEE80211_KEY_MGMT_NONE = 0, - IEEE80211_KEY_MGMT_IEEE8021X = 1, - IEEE80211_KEY_MGMT_WPA_PSK = 2, - IEEE80211_KEY_MGMT_WPA_EAP = 3, -}; - - -/* Data structures used for get_hw_features ioctl */ -struct hostapd_ioctl_hw_modes_hdr { - int mode; - int num_channels; - int num_rates; -}; - -struct ieee80211_channel_data { - short chan; /* channel number (IEEE 802.11) */ - short freq; /* frequency in MHz */ - int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */ -}; - -struct ieee80211_rate_data { - int rate; /* rate in 100 kbps */ - int flags; /* IEEE80211_RATE_ flags */ -}; - - -/* ADD_IF, REMOVE_IF, and UPDATE_IF 'type' argument */ -enum { - HOSTAP_IF_WDS = 1, HOSTAP_IF_VLAN = 2, HOSTAP_IF_BSS = 3, - HOSTAP_IF_STA = 4 -}; - -struct hostapd_if_wds { - u8 remote_addr[ETH_ALEN]; -}; - -struct hostapd_if_vlan { - u8 id; -}; - -struct hostapd_if_bss { - u8 bssid[ETH_ALEN]; -}; - -struct hostapd_if_sta { -}; - -#endif /* HOSTAPD_IOCTL_H */ diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211.c b/target/linux/package/ieee80211-dscape/src/ieee80211.c deleted file mode 100644 index 5e4e7acfba..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211.c +++ /dev/null @@ -1,4895 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef EXPORT_SYMTAB -#define EXPORT_SYMTAB -#endif - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/etherdevice.h> -#include <linux/if_arp.h> -#include <linux/wireless.h> -#include <net/iw_handler.h> -#include <linux/compiler.h> - -#include <net/ieee80211.h> -#include <net/ieee80211_common.h> -#include <net/ieee80211_mgmt.h> -#include "ieee80211_i.h" -#include "ieee80211_proc.h" -#include "rate_control.h" -#include "wep.h" -#include "wpa.h" -#include "tkip.h" -#include "wme.h" - - -/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ -/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ -static unsigned char rfc1042_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; -/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ -static unsigned char bridge_tunnel_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -/* No encapsulation header if EtherType < 0x600 (=length) */ - -static unsigned char eapol_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e }; - - -struct rate_control_algs { - struct rate_control_algs *next; - struct rate_control_ops *ops; -}; - -static struct rate_control_algs *ieee80211_rate_ctrl_algs; - -static int rate_control_initialize(struct ieee80211_local *local); - - -static u8 * ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len); - - -struct ieee80211_key_conf * -ieee80211_key_data2conf(struct ieee80211_local *local, - struct ieee80211_key *data) -{ - struct ieee80211_key_conf *conf; - - conf = kmalloc(sizeof(*conf) + data->keylen, GFP_ATOMIC); - if (conf == NULL) - return NULL; - - conf->hw_key_idx = data->hw_key_idx; - conf->alg = data->alg; - conf->keylen = data->keylen; - conf->force_sw_encrypt = data->force_sw_encrypt; - conf->keyidx = data->keyidx; - conf->default_tx_key = data->default_tx_key; - conf->default_wep_only = local->default_wep_only; - memcpy(conf->key, data->key, data->keylen); - - return conf; -} - - -static int rate_list_match(int *rate_list, int rate) -{ - int i; - - if (rate_list == NULL) - return 0; - - for (i = 0; rate_list[i] >= 0; i++) - if (rate_list[i] == rate) - return 1; - - return 0; -} - - -void ieee80211_prepare_rates(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - int i; - - for (i = 0; i < local->num_curr_rates; i++) { - struct ieee80211_rate *rate = &local->curr_rates[i]; - - rate->flags &= ~(IEEE80211_RATE_SUPPORTED | - IEEE80211_RATE_BASIC); - - if (local->supp_rates[local->conf.phymode]) { - if (!rate_list_match(local->supp_rates - [local->conf.phymode], - rate->rate)) - continue; - } - - rate->flags |= IEEE80211_RATE_SUPPORTED; - - /* Use configured basic rate set if it is available. If not, - * use defaults that are sane for most cases. */ - if (local->basic_rates[local->conf.phymode]) { - if (rate_list_match(local->basic_rates - [local->conf.phymode], - rate->rate)) - rate->flags |= IEEE80211_RATE_BASIC; - } else switch (local->conf.phymode) { - case MODE_IEEE80211A: - if (rate->rate == 60 || rate->rate == 120 || - rate->rate == 240) - rate->flags |= IEEE80211_RATE_BASIC; - break; - case MODE_IEEE80211B: - if (rate->rate == 10 || rate->rate == 20) - rate->flags |= IEEE80211_RATE_BASIC; - break; - case MODE_ATHEROS_TURBO: - if (rate->rate == 120 || rate->rate == 240 || - rate->rate == 480) - rate->flags |= IEEE80211_RATE_BASIC; - break; - case MODE_IEEE80211G: - if (rate->rate == 10 || rate->rate == 20 || - rate->rate == 55 || rate->rate == 110) - rate->flags |= IEEE80211_RATE_BASIC; - break; - } - - /* Set ERP and MANDATORY flags based on phymode */ - switch (local->conf.phymode) { - case MODE_IEEE80211A: - if (rate->rate == 60 || rate->rate == 120 || - rate->rate == 240) - rate->flags |= IEEE80211_RATE_MANDATORY; - break; - case MODE_IEEE80211B: - if (rate->rate == 10) - rate->flags |= IEEE80211_RATE_MANDATORY; - break; - case MODE_ATHEROS_TURBO: - break; - case MODE_IEEE80211G: - if (rate->rate == 10 || rate->rate == 20 || - rate->rate == 55 || rate->rate == 110 || - rate->rate == 60 || rate->rate == 120 || - rate->rate == 240) - rate->flags |= IEEE80211_RATE_MANDATORY; - if (rate->rate != 10 && rate->rate != 20 && - rate->rate != 55 && rate->rate != 110) - rate->flags |= IEEE80211_RATE_ERP; - break; - } - } -} - - -static void ieee80211_key_threshold_notify(struct net_device *dev, - struct ieee80211_key *key, - struct sta_info *sta) -{ - struct sk_buff *skb; - struct ieee80211_msg_key_notification *msg; - - skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) + - sizeof(struct ieee80211_msg_key_notification)); - if (skb == NULL) - return; - - skb_reserve(skb, sizeof(struct ieee80211_frame_info)); - msg = (struct ieee80211_msg_key_notification *) - skb_put(skb, sizeof(struct ieee80211_msg_key_notification)); - msg->tx_rx_count = key->tx_rx_count; - memcpy(msg->ifname, dev->name, IFNAMSIZ); - if (sta) - memcpy(msg->addr, sta->addr, ETH_ALEN); - else - memset(msg->addr, 0xff, ETH_ALEN); - - key->tx_rx_count = 0; - - ieee80211_rx_mgmt(dev, skb, 0, - ieee80211_msg_key_threshold_notification); -} - - -int ieee80211_get_hdrlen(u16 fc) -{ - int hdrlen = 24; - - switch (WLAN_FC_GET_TYPE(fc)) { - case WLAN_FC_TYPE_DATA: - if ((fc & WLAN_FC_FROMDS) && (fc & WLAN_FC_TODS)) - hdrlen = 30; /* Addr4 */ - if (WLAN_FC_GET_STYPE(fc) & 0x08) - hdrlen += 2; /* QoS Control Field */ - break; - case WLAN_FC_TYPE_CTRL: - switch (WLAN_FC_GET_STYPE(fc)) { - case WLAN_FC_STYPE_CTS: - case WLAN_FC_STYPE_ACK: - hdrlen = 10; - break; - default: - hdrlen = 16; - break; - } - break; - } - - return hdrlen; -} - - -int ieee80211_get_hdrlen_from_skb(struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - int hdrlen; - - if (unlikely(skb->len < 10)) - return 0; - hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)); - if (unlikely(hdrlen > skb->len)) - return 0; - return hdrlen; -} - - -#ifdef IEEE80211_VERBOSE_DEBUG_FRAME_DUMP -static void ieee80211_dump_frame(const char *ifname, const char *title, - struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; - - printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len); - if (skb->len < 4) { - printk("\n"); - return; - } - - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); - if (hdrlen > skb->len) - hdrlen = skb->len; - if (hdrlen >= 4) - printk(" FC=0x%04x DUR=0x%04x", - fc, le16_to_cpu(hdr->duration_id)); - if (hdrlen >= 10) - printk(" A1=" MACSTR, MAC2STR(hdr->addr1)); - if (hdrlen >= 16) - printk(" A2=" MACSTR, MAC2STR(hdr->addr2)); - if (hdrlen >= 24) - printk(" A3=" MACSTR, MAC2STR(hdr->addr3)); - if (hdrlen >= 30) - printk(" A4=" MACSTR, MAC2STR(hdr->addr4)); - printk("\n"); -} -#else /* IEEE80211_VERBOSE_DEBUG_FRAME_DUMP */ -static inline void ieee80211_dump_frame(const char *ifname, const char *title, - struct sk_buff *skb) -{ -} -#endif /* IEEE80211_VERBOSE_DEBUG_FRAME_DUMP */ - - -static int ieee80211_is_eapol(struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr; - u16 fc; - int hdrlen; - - if (unlikely(skb->len < 10)) - return 0; - - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) - return 0; - - hdrlen = ieee80211_get_hdrlen(fc); - - if (unlikely(skb->len >= hdrlen + sizeof(eapol_header) && - memcmp(skb->data + hdrlen, eapol_header, - sizeof(eapol_header)) == 0)) - return 1; - - return 0; -} - - -static ieee80211_txrx_result -ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) -{ - struct rate_control_extra extra; - - memset(&extra, 0, sizeof(extra)); - extra.mgmt_data = tx->sdata && - tx->sdata->type == IEEE80211_SUB_IF_TYPE_MGMT; - extra.ethertype = tx->ethertype; - extra.startidx = 0; - extra.endidx = tx->local->num_curr_rates; - - - tx->u.tx.rate = rate_control_get_rate(tx->dev, tx->skb, &extra); - if (unlikely(extra.probe != NULL)) { - tx->u.tx.control->rate_ctrl_probe = 1; - tx->u.tx.probe_last_frag = 1; -// tx->u.tx.control->alt_retry_rate = tx->u.tx.rate->val; - tx->u.tx.rate = extra.probe; - } else { -// tx->u.tx.control->alt_retry_rate = -1; - } - if (!tx->u.tx.rate) - return TXRX_DROP; - if (tx->local->conf.phymode == MODE_IEEE80211G && - tx->local->cts_protect_erp_frames && tx->fragmented && - extra.nonerp) { - tx->u.tx.last_frag_rate = tx->u.tx.rate; - tx->u.tx.last_frag_rateidx = extra.rateidx; - tx->u.tx.probe_last_frag = extra.probe ? 1 : 0; - - tx->u.tx.rate = extra.nonerp; -// tx->u.tx.control->rateidx = extra.nonerp_idx; - tx->u.tx.control->rate_ctrl_probe = 0; - } else { - tx->u.tx.last_frag_rate = tx->u.tx.rate; - tx->u.tx.last_frag_rateidx = extra.rateidx; -// tx->u.tx.control->rateidx = extra.rateidx; - } - tx->u.tx.control->tx_rate = tx->u.tx.rate->val; - if ((tx->u.tx.rate->flags & IEEE80211_RATE_PREAMBLE2) && - tx->local->short_preamble && - (!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) { - tx->u.tx.short_preamble = 1; - tx->u.tx.control->tx_rate = tx->u.tx.rate->val2; - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) -{ - if (tx->sta) - tx->u.tx.control->key_idx = tx->sta->key_idx_compression; - else - tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID; - - if (unlikely(tx->u.tx.control->do_not_encrypt)) - tx->key = NULL; - else if (tx->sta && tx->sta->key) - tx->key = tx->sta->key; - else if (tx->sdata->default_key) - tx->key = tx->sdata->default_key; - else if (tx->sdata->drop_unencrypted && !(tx->sdata->eapol && ieee80211_is_eapol(tx->skb))) { - I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); - return TXRX_DROP; - } else - tx->key = NULL; - - if (tx->key) { - tx->key->tx_rx_count++; - if (unlikely(tx->local->key_tx_rx_threshold && - tx->key->tx_rx_count > - tx->local->key_tx_rx_threshold)) { - ieee80211_key_threshold_notify(tx->dev, tx->key, - tx->sta); - } - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - size_t hdrlen, per_fragm, num_fragm, payload_len, left; - struct sk_buff **frags, *first, *frag; - int i; - u8 *pos; - int frag_threshold = tx->local->fragmentation_threshold; - - if (!tx->fragmented) - return TXRX_CONTINUE; - - - first = tx->skb; - - hdrlen = ieee80211_get_hdrlen(tx->fc); - payload_len = first->len - hdrlen; - per_fragm = frag_threshold - hdrlen - 4 /* FCS */; - num_fragm = (payload_len + per_fragm - 1) / per_fragm; - - frags = (struct sk_buff **) - kmalloc(num_fragm * sizeof(struct sk_buff *), GFP_ATOMIC); - if (frags == NULL) - goto fail; - memset(frags, 0, num_fragm * sizeof(struct sk_buff *)); - - hdr->frame_control |= cpu_to_le16(WLAN_FC_MOREFRAG); - pos = first->data + hdrlen + per_fragm; - left = payload_len - per_fragm; - for (i = 0; i < num_fragm - 1; i++) { - struct ieee80211_hdr *fhdr; - size_t copylen; - - if (left <= 0) - goto fail; - - /* reserve enough extra head and tail room for possible - * encryption */ -#define IEEE80211_ENCRYPT_HEADROOM 8 -#define IEEE80211_ENCRYPT_TAILROOM 12 - frag = frags[i] = - dev_alloc_skb(frag_threshold + - IEEE80211_ENCRYPT_HEADROOM + - IEEE80211_ENCRYPT_TAILROOM); - if (!frag) - goto fail; - /* Make sure that all fragments use the same priority so - * that they end up using the same TX queue */ - frag->priority = first->priority; - skb_reserve(frag, IEEE80211_ENCRYPT_HEADROOM); - fhdr = (struct ieee80211_hdr *) skb_put(frag, hdrlen); - memcpy(fhdr, first->data, hdrlen); - if (i == num_fragm - 2) - fhdr->frame_control &= cpu_to_le16(~WLAN_FC_MOREFRAG); - fhdr->seq_ctrl = cpu_to_le16(i + 1); - copylen = left > per_fragm ? per_fragm : left; - memcpy(skb_put(frag, copylen), pos, copylen); - - pos += copylen; - left -= copylen; - } - skb_trim(first, hdrlen + per_fragm); - - tx->u.tx.num_extra_frag = num_fragm - 1; - tx->u.tx.extra_frag = frags; - - return TXRX_CONTINUE; - - fail: - printk(KERN_DEBUG "%s: failed to fragment frame\n", tx->dev->name); - if (frags) { - for (i = 0; i < num_fragm - 1; i++) - if (frags[i]) - dev_kfree_skb(frags[i]); - kfree(frags); - } - I802_DEBUG_INC(tx->local->tx_handlers_drop_fragment); - return TXRX_DROP; -} - - -static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) -{ - if (tx->key->force_sw_encrypt || tx->local->conf.sw_encrypt) { - if (ieee80211_wep_encrypt(tx->local, skb, tx->key)) - return -1; - } else { - tx->u.tx.control->key_idx = tx->key->hw_key_idx; - if (tx->local->hw->wep_include_iv) { - if (ieee80211_wep_add_iv(tx->local, skb, tx->key) == - NULL) - return -1; - } - } - return 0; -} - - -void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - - hdr->frame_control |= cpu_to_le16(WLAN_FC_ISWEP); - if (tx->u.tx.extra_frag) { - struct ieee80211_hdr *fhdr; - int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - fhdr = (struct ieee80211_hdr *) - tx->u.tx.extra_frag[i]->data; - fhdr->frame_control |= cpu_to_le16(WLAN_FC_ISWEP); - } - } -} - - -static ieee80211_txrx_result -ieee80211_tx_h_wep_encrypt(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 fc; - - fc = le16_to_cpu(hdr->frame_control); - - if (!tx->key || tx->key->alg != ALG_WEP || - (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA && - (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT || - WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_AUTH))) - return TXRX_CONTINUE; - - tx->u.tx.control->iv_len = WEP_IV_LEN; - tx->u.tx.control->icv_len = WEP_ICV_LEN; - ieee80211_tx_set_iswep(tx); - - if (wep_encrypt_skb(tx, tx->skb) < 0) { - I802_DEBUG_INC(tx->local->tx_handlers_drop_wep); - return TXRX_DROP; - } - - if (tx->u.tx.extra_frag) { - int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) { - I802_DEBUG_INC(tx->local-> - tx_handlers_drop_wep); - return TXRX_DROP; - } - } - } - - return TXRX_CONTINUE; -} - - -static inline int ceiling_div(int dividend, int divisor) -{ - return ((dividend + divisor - 1) / divisor); -} - - -static int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, - int rate, int erp, int short_preamble) -{ - int dur; - - /* calculate duration (in microseconds, rounded up to next higher - * integer if it includes a fractional microsecond) to send frame of - * len bytes (does not include FCS) at the given rate. Duration will - * also include SIFS. - * - * rate is in 100 kbps, so divident is multiplied by 10 in the - * ceiling_div() operations. - */ - - if (local->conf.phymode == MODE_IEEE80211A || erp || - local->conf.phymode == MODE_ATHEROS_TURBO) { - /* - * OFDM: - * - * N_DBPS = DATARATE x 4 - * N_SYM = Ceiling((16+8xLENGTH+6) / N_DBPS) - * (16 = SIGNAL time, 6 = tail bits) - * TXTIME = T_PREAMBLE + T_SIGNAL + T_SYM x N_SYM + Signal Ext - * - * T_SYM = 4 usec - * 802.11a - 17.5.2: aSIFSTime = 16 usec - * 802.11g - 19.8.4: aSIFSTime = 10 usec + - * signal ext = 6 usec - */ - /* FIX: Atheros Turbo may have different (shorter) duration? */ - dur = 16; /* SIFS + signal ext */ - dur += 16; /* 17.3.2.3: T_PREAMBLE = 16 usec */ - dur += 4; /* 17.3.2.3: T_SIGNAL = 4 usec */ - dur += 4 * ceiling_div((16 + 8 * (len + 4) + 6) * 10, - 4 * rate); /* T_SYM x N_SYM */ - } else { - /* - * 802.11b or 802.11g with 802.11b compatibility: - * 18.3.4: TXTIME = PreambleLength + PLCPHeaderTime + - * Ceiling(((LENGTH+PBCC)x8)/DATARATE). PBCC=0. - * - * 802.11 (DS): 15.3.3, 802.11b: 18.3.4 - * aSIFSTime = 10 usec - * aPreambleLength = 144 usec or 72 usec with short preamble - * aPLCPHeaderLength = 48 ms or 24 ms with short preamble - */ - dur = 10; /* aSIFSTime = 10 usec */ - dur += short_preamble ? (72 + 24) : (144 + 48); - - dur += ceiling_div(8 * (len + 4) * 10, rate); - } - - return dur; -} - - -static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr, - int next_frag_len) -{ - int rate, mrate, erp, dur, i; - struct ieee80211_rate *txrate = tx->u.tx.rate; - struct ieee80211_local *local = tx->local; - - erp = txrate->flags & IEEE80211_RATE_ERP; - - /* - * data and mgmt (except PS Poll): - * - during CFP: 32768 - * - during contention period: - * if addr1 is group address: 0 - * if more fragments = 0 and addr1 is individual address: time to - * transmit one ACK plus SIFS - * if more fragments = 1 and addr1 is individual address: time to - * transmit next fragment plus 2 x ACK plus 3 x SIFS - * - * IEEE 802.11, 9.6: - * - control response frame (CTS or ACK) shall be transmitted using the - * same rate as the immediately previous frame in the frame exchange - * sequence, if this rate belongs to the PHY mandatory rates, or else - * at the highest possible rate belonging to the PHY rates in the - * BSSBasicRateSet - */ - - if (WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_CTRL) { - /* TODO: These control frames are not currently sent by - * 80211.o, but should they be implemented, this function - * needs to be updated to support duration field calculation. - * - * RTS: time needed to transmit pending data/mgmt frame plus - * one CTS frame plus one ACK frame plus 3 x SIFS - * CTS: duration of immediately previous RTS minus time - * required to transmit CTS and its SIFS - * ACK: 0 if immediately previous directed data/mgmt had - * more=0, with more=1 duration in ACK frame is duration - * from previous frame minus time needed to transmit ACK - * and its SIFS - * PS Poll: BIT(15) | BIT(14) | aid - */ - return 0; - } - - /* data/mgmt */ - if (0 /* FIX: data/mgmt during CFP */) - return 32768; - - if (group_addr) /* Group address as the destination - no ACK */ - return 0; - - /* Individual destination address: - * IEEE 802.11, Ch. 9.6 (after IEEE 802.11g changes) - * CTS and ACK frames shall be transmitted using the highest rate in - * basic rate set that is less than or equal to the rate of the - * immediately previous frame and that is using the same modulation - * (CCK or OFDM). If no basic rate set matches with these requirements, - * the highest mandatory rate of the PHY that is less than or equal to - * the rate of the previous frame is used. - * Mandatory rates for IEEE 802.11g PHY: 1, 2, 5.5, 11, 6, 12, 24 Mbps - */ - rate = -1; - mrate = 10; /* use 1 Mbps if everything fails */ - for (i = 0; i < local->num_curr_rates; i++) { - struct ieee80211_rate *r = &local->curr_rates[i]; - if (r->rate > txrate->rate) - break; - - if (IEEE80211_RATE_MODULATION(txrate->flags) != - IEEE80211_RATE_MODULATION(r->flags)) - continue; - - if (r->flags & IEEE80211_RATE_BASIC) - rate = r->rate; - else if (r->flags & IEEE80211_RATE_MANDATORY) - mrate = r->rate; - } - if (rate == -1) { - /* No matching basic rate found; use highest suitable mandatory - * PHY rate */ - rate = mrate; - } - - /* Time needed to transmit ACK - * (10 bytes + 4-byte FCS = 112 bits) plus SIFS; rounded up - * to closest integer */ - - dur = ieee80211_frame_duration(local, 10, rate, erp, - local->short_preamble); - - if (next_frag_len) { - /* Frame is fragmented: duration increases with time needed to - * transmit next fragment plus ACK and 2 x SIFS. */ - dur *= 2; /* ACK + SIFS */ - /* next fragment */ - dur += ieee80211_frame_duration(local, next_frag_len, - txrate->rate, erp, - local->short_preamble); - } - - return dur; -} - - -static ieee80211_txrx_result -ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 dur; - struct ieee80211_tx_control *control = tx->u.tx.control; - - if (!MULTICAST_ADDR(hdr->addr1)) { - if (tx->skb->len >= tx->local->rts_threshold && - tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD) { - control->use_rts_cts = 1; - control->retry_limit = - tx->local->long_retry_limit; - } else { - control->retry_limit = - tx->local->short_retry_limit; - } - } else { - control->retry_limit = 1; - } - - if (tx->fragmented) { - /* Do not use multiple retry rates when sending fragmented - * frames. - * TODO: The last fragment could still use multiple retry - * rates. */ -// control->alt_retry_rate = -1; - } - - /* Use CTS protection for unicast frames sent using extended rates if - * there are associated non-ERP stations and RTS/CTS is not configured - * for the frame. */ - if (tx->local->conf.phymode == MODE_IEEE80211G && - (tx->u.tx.rate->flags & IEEE80211_RATE_ERP) && - tx->u.tx.unicast && - tx->local->cts_protect_erp_frames && - !control->use_rts_cts) - control->use_cts_protect = 1; - - - /* Setup duration field for the first fragment of the frame. Duration - * for remaining fragments will be updated when they are being sent - * to low-level driver in ieee80211_tx(). */ - dur = ieee80211_duration(tx, MULTICAST_ADDR(hdr->addr1), - tx->fragmented ? tx->u.tx.extra_frag[0]->len : - 0); - hdr->duration_id = cpu_to_le16(dur); - - if (control->use_rts_cts || control->use_cts_protect) { - struct ieee80211_rate *rate; - int erp = tx->u.tx.rate->flags & IEEE80211_RATE_ERP; - - /* Do not use multiple retry rates when using RTS/CTS */ -// control->alt_retry_rate = -1; - - /* Use min(data rate, max base rate) as CTS/RTS rate */ - rate = tx->u.tx.rate; - while (rate > tx->local->curr_rates && - !(rate->flags & IEEE80211_RATE_BASIC)) - rate--; - - - if (control->use_rts_cts) - dur += ieee80211_frame_duration(tx->local, 10, - rate->rate, erp, - tx->local-> - short_preamble); - dur += ieee80211_frame_duration(tx->local, tx->skb->len, - tx->u.tx.rate->rate, erp, - tx->u.tx.short_preamble); - control->rts_cts_duration = dur; - control->rts_cts_rate = rate->val; - } - - if (tx->sta) { - tx->sta->tx_packets++; - tx->sta->tx_fragments++; - tx->sta->tx_bytes += tx->skb->len; - if (tx->u.tx.extra_frag) { - int i; - tx->sta->tx_fragments += tx->u.tx.num_extra_frag; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - tx->sta->tx_bytes += - tx->u.tx.extra_frag[i]->len; - } - } - } - tx->local->scan.txrx_count++; - - return TXRX_CONTINUE; -} - - -static void ieee80211_rate_limit(unsigned long data) -{ - struct ieee80211_local *local = (struct ieee80211_local *) data; - - if (local->rate_limit) { - local->rate_limit_bucket += local->rate_limit; - if (local->rate_limit_bucket > local->rate_limit_burst) - local->rate_limit_bucket = local->rate_limit_burst; - local->rate_limit_timer.expires = jiffies + HZ; - add_timer(&local->rate_limit_timer); - } - -} - -static ieee80211_txrx_result -ieee80211_tx_h_rate_limit(struct ieee80211_txrx_data *tx) -{ - - if (likely(!tx->local->rate_limit || tx->u.tx.unicast)) - return TXRX_CONTINUE; - - /* rate limit */ - if (tx->local->rate_limit_bucket) { - tx->local->rate_limit_bucket--; - return TXRX_CONTINUE; - } - - I802_DEBUG_INC(tx->local->tx_handlers_drop_rate_limit); - return TXRX_DROP; -} - - - -static ieee80211_txrx_result -ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) -{ -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - struct sk_buff *skb = tx->skb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - u32 sta_flags; - - if (unlikely(tx->local->sta_scanning != 0) && - (WLAN_FC_GET_TYPE(tx->fc) != WLAN_FC_TYPE_MGMT || - WLAN_FC_GET_STYPE(tx->fc) != WLAN_FC_STYPE_PROBE_REQ)) - return TXRX_DROP; - - if (tx->u.tx.ps_buffered) - return TXRX_CONTINUE; - - sta_flags = tx->sta ? tx->sta->flags : 0; - - if (likely(tx->u.tx.unicast)) { - if (unlikely(!(sta_flags & WLAN_STA_ASSOC) && - tx->local->conf.mode != IW_MODE_ADHOC && - WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_DATA)) { -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: dropped data frame to not " - "associated station " MACSTR "\n", - tx->dev->name, MAC2STR(hdr->addr1)); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc); - return TXRX_DROP; - } - } else { - if (unlikely(WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_DATA && - tx->local->num_sta == 0 && - !tx->local->allow_broadcast_always && - tx->local->conf.mode != IW_MODE_ADHOC)) { - /* - * No associated STAs - no need to send multicast - * frames. - */ - return TXRX_DROP; - } - return TXRX_CONTINUE; - } - - if (unlikely(!tx->u.tx.mgmt_interface && tx->sdata->ieee802_1x && - !(sta_flags & WLAN_STA_AUTHORIZED))) { -#ifdef CONFIG_IEEE80211_DEBUG - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) tx->skb->data; - printk(KERN_DEBUG "%s: dropped frame to " MACSTR - " (unauthorized port)\n", tx->dev->name, - MAC2STR(hdr->addr1)); -#endif - I802_DEBUG_INC(tx->local->tx_handlers_drop_unauth_port); - return TXRX_DROP; - } - - return TXRX_CONTINUE; -} - - -/* This function is called whenever the AP is about to exceed the maximum limit - * of buffered frames for power saving STAs. This situation should not really - * happen often during normal operation, so dropping the oldest buffered packet - * from each queue should be OK to make some room for new frames. */ -static void purge_old_ps_buffers(struct ieee80211_local *local) -{ - int total = 0, purged = 0; - struct sk_buff *skb; - struct list_head *ptr; - - spin_lock_bh(&local->sub_if_lock); - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_if_norm *norm; - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - if (sdata->dev == local->mdev || - sdata->type != IEEE80211_SUB_IF_TYPE_NORM) - continue; - norm = &sdata->u.norm; - skb = skb_dequeue(&norm->ps_bc_buf); - if (skb) { - purged++; - dev_kfree_skb(skb); - } - total += skb_queue_len(&norm->ps_bc_buf); - } - spin_unlock_bh(&local->sub_if_lock); - - spin_lock_bh(&local->sta_lock); - list_for_each(ptr, &local->sta_list) { - struct sta_info *sta = - list_entry(ptr, struct sta_info, list); - skb = skb_dequeue(&sta->ps_tx_buf); - if (skb) { - purged++; - dev_kfree_skb(skb); - } - total += skb_queue_len(&sta->ps_tx_buf); - } - spin_unlock_bh(&local->sta_lock); - - local->total_ps_buffered = total; - printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n", - local->mdev->name, purged); -} - - -static inline ieee80211_txrx_result -ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) -{ - /* broadcast/multicast frame */ - /* If any of the associated stations is in power save mode, - * the frame is buffered to be sent after DTIM beacon frame */ - if (tx->local->hw->host_broadcast_ps_buffering && - tx->sdata->type != IEEE80211_SUB_IF_TYPE_WDS && - tx->sdata->bss && atomic_read(&tx->sdata->bss->num_sta_ps) && - !(tx->fc & WLAN_FC_ORDER)) { - if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) - purge_old_ps_buffers(tx->local); - if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= - AP_MAX_BC_BUFFER) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: BC TX buffer full - " - "dropping the oldest frame\n", - tx->dev->name); - } - dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf)); - } else - tx->local->total_ps_buffered++; - skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb); - return TXRX_QUEUED; - } - - return TXRX_CONTINUE; -} - - -static inline ieee80211_txrx_result -ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) -{ - struct sta_info *sta = tx->sta; - - if (unlikely(!sta || - (WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_MGMT && - WLAN_FC_GET_STYPE(tx->fc) == WLAN_FC_STYPE_PROBE_RESP))) - return TXRX_CONTINUE; - - if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) { - struct ieee80211_tx_packet_data *pkt_data; -#ifdef IEEE80211_VERBOSE_DEBUG_PS - printk(KERN_DEBUG "STA " MACSTR " aid %d: PS buffer (entries " - "before %d)\n", - MAC2STR(sta->addr), sta->aid, - skb_queue_len(&sta->ps_tx_buf)); -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ - sta->flags |= WLAN_STA_TIM; - if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) - purge_old_ps_buffers(tx->local); - if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) { - struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf); - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: STA " MACSTR " TX " - "buffer full - dropping oldest frame\n", - tx->dev->name, MAC2STR(sta->addr)); - } - dev_kfree_skb(old); - } else - tx->local->total_ps_buffered++; - /* Queue frame to be sent after STA sends an PS Poll frame */ - if (skb_queue_empty(&sta->ps_tx_buf) && tx->local->hw->set_tim) - tx->local->hw->set_tim(tx->dev, sta->aid, 1); - pkt_data = (struct ieee80211_tx_packet_data *)tx->skb->cb; - pkt_data->jiffies = jiffies; - skb_queue_tail(&sta->ps_tx_buf, tx->skb); - return TXRX_QUEUED; - } -#ifdef IEEE80211_VERBOSE_DEBUG_PS - else if (unlikely(sta->flags & WLAN_STA_PS)) { - printk(KERN_DEBUG "%s: STA " MACSTR " in PS mode, but pspoll " - "set -> send frame\n", tx->dev->name, - MAC2STR(sta->addr)); - } -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ - sta->pspoll = 0; - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx) -{ - if (unlikely(tx->u.tx.ps_buffered)) - return TXRX_CONTINUE; - - if (tx->u.tx.unicast) - return ieee80211_tx_h_unicast_ps_buf(tx); - else - return ieee80211_tx_h_multicast_ps_buf(tx); -} - - -static void inline ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, - struct sk_buff *skb, - struct net_device *dev, - struct ieee80211_tx_control *control) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_tx_packet_data *pkt_data; - int hdrlen; - - pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - - memset(tx, 0, sizeof(*tx)); - tx->skb = skb; - tx->dev = pkt_data->sdata->dev; /* use original interface */ - tx->local = local; - tx->sdata = pkt_data->sdata; - tx->sta = sta_info_get(local, hdr->addr1); - tx->fc = le16_to_cpu(hdr->frame_control); - control->power_level = local->conf.power_level; - tx->u.tx.control = control; - tx->u.tx.unicast = !MULTICAST_ADDR(hdr->addr1); - control->no_ack = MULTICAST_ADDR(hdr->addr1); - tx->fragmented = local->fragmentation_threshold < - IEEE80211_MAX_FRAG_THRESHOLD && tx->u.tx.unicast && - skb->len + 4 /* FCS */ > local->fragmentation_threshold && - (local->hw->set_frag_threshold == NULL); - if (tx->sta == NULL) - control->clear_dst_mask = 1; - else if (tx->sta->clear_dst_mask) { - control->clear_dst_mask = 1; - tx->sta->clear_dst_mask = 0; - } - control->antenna_sel = local->conf.antenna_sel; - if (local->sta_antenna_sel != STA_ANTENNA_SEL_AUTO && tx->sta) - control->antenna_sel = tx->sta->antenna_sel; - hdrlen = ieee80211_get_hdrlen(tx->fc); - if (skb->len > hdrlen + sizeof(rfc1042_header) + 2) { - u8 *pos = &skb->data[hdrlen + sizeof(rfc1042_header)]; - tx->ethertype = (pos[0] << 8) | pos[1]; - } - -} - - -static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_control *control, int mgmt) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - ieee80211_tx_handler *handler; - struct ieee80211_txrx_data tx; - ieee80211_txrx_result res = TXRX_DROP; - int ret, i; - - if (unlikely(skb->len < 10)) { - dev_kfree_skb(skb); - return 0; - } - - ieee80211_tx_prepare(&tx, skb, dev, control); - sta = tx.sta; - tx.u.tx.mgmt_interface = mgmt; - - for (handler = local->tx_handlers; *handler != NULL; handler++) { - res = (*handler)(&tx); - if (res != TXRX_CONTINUE) - break; - } - - skb = tx.skb; /* handlers are allowed to change skb */ - - if (sta) - sta_info_release(local, sta); - - if (unlikely(res == TXRX_DROP)) { - I802_DEBUG_INC(local->tx_handlers_drop); - goto drop; - } - - if (unlikely(res == TXRX_QUEUED)) { - I802_DEBUG_INC(local->tx_handlers_queued); - return 0; - } - - ieee80211_dump_frame(dev->name, "TX to low-level driver", skb); - ret = local->hw->tx(dev, skb, control); -#ifdef IEEE80211_LEDS - if (!ret && local->tx_led_counter++ == 0) { - ieee80211_tx_led(1, dev); - } -#endif /* IEEE80211_LEDS */ - if (tx.u.tx.extra_frag) { - if (ret > 0) { - /* Must free all fragments and return 0 since skb data - * has been fragmented into multiple buffers. - * TODO: could free extra fragments and restore skb to - * the original form since the data is still there and - * then return nonzero so that Linux netif would - * retry. */ - goto drop; - } - - skb = NULL; /* skb is now owned by low-level driver */ - control->use_rts_cts = 0; - control->use_cts_protect = 0; - control->clear_dst_mask = 0; - for (i = 0; i < tx.u.tx.num_extra_frag; i++) { - int next_len, dur; - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) - tx.u.tx.extra_frag[i]->data; - if (i + 1 < tx.u.tx.num_extra_frag) - next_len = tx.u.tx.extra_frag[i + 1]->len; - else { - next_len = 0; - tx.u.tx.rate = tx.u.tx.last_frag_rate; - tx.u.tx.control->tx_rate = tx.u.tx.rate->val; -// tx.u.tx.control->rateidx = -// tx.u.tx.last_frag_rateidx; - tx.u.tx.control->rate_ctrl_probe = - tx.u.tx.probe_last_frag; - } - dur = ieee80211_duration(&tx, 0, next_len); - hdr->duration_id = cpu_to_le16(dur); - - ieee80211_dump_frame(dev->name, - "TX to low-level driver", skb); - ret = local->hw->tx(dev, tx.u.tx.extra_frag[i], - control); - if (ret > 0) - goto drop; -#ifdef IEEE80211_LEDS - if (local->tx_led_counter++ == 0) { - ieee80211_tx_led(1, dev); - } -#endif /* IEEE80211_LEDS */ - tx.u.tx.extra_frag[i] = NULL; - } - kfree(tx.u.tx.extra_frag); - } - if (ret == -1) - ret = 0; - return ret; - - drop: - if (skb) - dev_kfree_skb(skb); - for (i = 0; i < tx.u.tx.num_extra_frag; i++) - if (tx.u.tx.extra_frag[i]) - dev_kfree_skb(tx.u.tx.extra_frag[i]); - kfree(tx.u.tx.extra_frag); - return 0; -} - - -static int ieee80211_master_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct ieee80211_tx_control control; - struct ieee80211_tx_packet_data *pkt_data; - struct ieee80211_sub_if_data *sdata; - int ret = 1; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - /* - * copy control out of the skb so other people can use skb->cb - */ - pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - if (unlikely(pkt_data->magic != IEEE80211_CB_MAGIC)) { - printk(KERN_WARNING "%s: Someone messed with our skb->cb\n", - dev->name); - dev_kfree_skb(skb); - return 0; - } - memcpy(&control, &pkt_data->control, - sizeof(struct ieee80211_tx_control)); - - ret = ieee80211_tx(dev, skb, &control, - pkt_data->sdata->type == - IEEE80211_SUB_IF_TYPE_MGMT); - - return ret; -} - - -/** - * ieee80211_subif_start_xmit - netif start_xmit function for Ethernet-type - * subinterfaces (wlan#, WDS, and VLAN interfaces) - * @skb: packet to be sent - * @dev: incoming interface - * - * Returns: 0 on success (and frees skb in this case) or 1 on failure (skb will - * not be freed, and caller is responsible for either retrying later or freeing - * skb). - * - * This function takes in an Ethernet header and encapsulates it with suitable - * IEEE 802.11 header based on which interface the packet is coming in. The - * encapsulated packet will then be passed to master interface, wlan#.11, for - * transmission (through low-level driver). - */ -static int ieee80211_subif_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct ieee80211_local *local = (struct ieee80211_local *) dev->priv; - struct ieee80211_tx_packet_data *pkt_data; - struct ieee80211_sub_if_data *sdata; - int ret = 1, head_need; - u16 ethertype, hdrlen, fc; - struct ieee80211_hdr hdr; - u8 *encaps_data; - int encaps_len, skip_header_bytes; - int nh_pos, h_pos, no_encrypt = 0; - struct sta_info *sta; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (unlikely(skb->len < ETH_HLEN)) { - printk(KERN_DEBUG "%s: short skb (len=%d)\n", - dev->name, skb->len); - ret = 0; - goto fail; - } - - nh_pos = skb->nh.raw - skb->data; - h_pos = skb->h.raw - skb->data; - - /* convert Ethernet header to proper 802.11 header (based on - * operation mode) */ - ethertype = (skb->data[12] << 8) | skb->data[13]; - /* TODO: handling for 802.1x authorized/unauthorized port */ - fc = (WLAN_FC_TYPE_DATA << 2) | (WLAN_FC_STYPE_DATA << 4); - - if (likely(sdata->type == IEEE80211_SUB_IF_TYPE_NORM || - sdata->type == IEEE80211_SUB_IF_TYPE_VLAN)) { - if (local->conf.mode == IW_MODE_MASTER) { - fc |= WLAN_FC_FROMDS; - /* DA BSSID SA */ - memcpy(hdr.addr1, skb->data, ETH_ALEN); - memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); - memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN); - } else if (local->conf.mode == IW_MODE_INFRA) { - fc |= WLAN_FC_TODS; - /* BSSID SA DA */ - memcpy(hdr.addr1, local->bssid, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, skb->data, ETH_ALEN); - } else if (local->conf.mode == IW_MODE_ADHOC) { - /* DA SA BSSID */ - memcpy(hdr.addr1, skb->data, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, local->bssid, ETH_ALEN); - } - hdrlen = 24; - } else if (sdata->type == IEEE80211_SUB_IF_TYPE_WDS) { - fc |= WLAN_FC_FROMDS | WLAN_FC_TODS; - /* RA TA DA SA */ - memcpy(hdr.addr1, sdata->u.wds.remote_addr, ETH_ALEN); - memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); - memcpy(hdr.addr3, skb->data, ETH_ALEN); - memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN); - hdrlen = 30; - } else if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - if (local->conf.mode == IW_MODE_INFRA) { - fc |= WLAN_FC_TODS; - /* BSSID SA DA */ - memcpy(hdr.addr1, sdata->u.sta.bssid, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, skb->data, ETH_ALEN); - } else { - /* DA SA BSSID */ - memcpy(hdr.addr1, skb->data, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, sdata->u.sta.bssid, ETH_ALEN); - } - hdrlen = 24; - } else { - ret = 0; - goto fail; - } - - /* receiver is QoS enabled, use a QoS type frame */ - sta = sta_info_get(local, hdr.addr1); - if (sta) { - if (sta->flags & WLAN_STA_WME) { - fc |= WLAN_FC_STYPE_QOS_DATA << 4; - hdrlen += 2; - } - sta_info_release(local, sta); - } - - hdr.frame_control = cpu_to_le16(fc); - hdr.duration_id = 0; - hdr.seq_ctrl = 0; - - skip_header_bytes = ETH_HLEN; - if (ethertype == ETH_P_AARP || ethertype == ETH_P_IPX) { - encaps_data = bridge_tunnel_header; - encaps_len = sizeof(bridge_tunnel_header); - skip_header_bytes -= 2; - } else if (ethertype >= 0x600) { - encaps_data = rfc1042_header; - encaps_len = sizeof(rfc1042_header); - skip_header_bytes -= 2; - } else { - encaps_data = NULL; - encaps_len = 0; - } - - skb_pull(skb, skip_header_bytes); - nh_pos -= skip_header_bytes; - h_pos -= skip_header_bytes; - - /* TODO: implement support for fragments so that there is no need to - * reallocate and copy payload; it might be enough to support one - * extra fragment that would be copied in the beginning of the frame - * data.. anyway, it would be nice to include this into skb structure - * somehow - * - * There are few options for this: - * use skb->cb as an extra space for 802.11 header - * allocate new buffer if not enough headroom - * make sure that there is enough headroom in every skb by increasing - * build in headroom in __dev_alloc_skb() (linux/skbuff.h) and - * alloc_skb() (net/core/skbuff.c) - */ - head_need = hdrlen + encaps_len + (local->hw->extra_hdr_room ? 2 : 0); - head_need -= skb_headroom(skb); - - /* We are going to modify skb data, so make a copy of it if happens to - * be cloned. This could happen, e.g., with Linux bridge code passing - * us broadcast frames. */ - - if (head_need > 0 || skb_cloned(skb)) { -#if 0 - printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes " - "of headroom\n", dev->name, head_need); -#endif - - if (skb_cloned(skb)) - I802_DEBUG_INC(local->tx_expand_skb_head_cloned); - else - I802_DEBUG_INC(local->tx_expand_skb_head); - /* Since we have to reallocate the buffer, make sure that there - * is enough room for possible WEP IV/ICV and TKIP (8 bytes - * before payload and 12 after). */ - if (pskb_expand_head(skb, (head_need > 0 ? head_need + 8 : 8), - 12, GFP_ATOMIC)) { - printk(KERN_DEBUG "%s: failed to reallocate TX buffer" - "\n", dev->name); - goto fail; - } - } - - if (encaps_data) { - memcpy(skb_push(skb, encaps_len), encaps_data, encaps_len); - nh_pos += encaps_len; - h_pos += encaps_len; - } - memcpy(skb_push(skb, hdrlen), &hdr, hdrlen); - nh_pos += hdrlen; - h_pos += hdrlen; - - pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->magic = IEEE80211_CB_MAGIC; - pkt_data->sdata = sdata; - pkt_data->control.do_not_encrypt = no_encrypt; - - skb->dev = sdata->master; - sdata->stats.tx_packets++; - sdata->stats.tx_bytes += skb->len; - - /* Update skb pointers to various headers since this modified frame - * is going to go through Linux networking code that may potentially - * need things like pointer to IP header. */ - skb->mac.raw = skb->data; - skb->nh.raw = skb->data + nh_pos; - skb->h.raw = skb->data + h_pos; - - - dev_queue_xmit(skb); - - return 0; - - fail: - if (!ret) - dev_kfree_skb(skb); - - return ret; -} - - -/* - * This is the transmit routine for the 802.11 type interfaces - * called by upper layers of the linux networking - * stack when it has a frame to transmit - */ -static int -ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_tx_packet_data *pkt_data; - struct ieee80211_hdr *hdr; - u16 fc; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - if (skb->len < 10) { - dev_kfree_skb(skb); - return 0; - } - - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->magic = IEEE80211_CB_MAGIC; - pkt_data->sdata = sdata; - - if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && - WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) - pkt_data->control.pkt_type = PKT_PROBE_RESP; - - skb->priority = 20; /* use hardcode priority for mgmt TX queue */ - skb->dev = sdata->master; - - /* - * We're using the protocol field of the the frame control header - * to request TX callback for hostapd. BIT(1) is checked. - */ - if ((fc & BIT(1)) == BIT(1)) { - pkt_data->control.req_tx_status = 1; - fc &= ~BIT(1); - hdr->frame_control = cpu_to_le16(fc); - } - - - - pkt_data->control.do_not_encrypt = !(fc & WLAN_FC_ISWEP); - - sdata->stats.tx_packets++; - sdata->stats.tx_bytes += skb->len; - - dev_queue_xmit(skb); - - return 0; -} - - -static void ieee80211_beacon_add_tim(struct ieee80211_local *local, - struct ieee80211_if_norm *bss, - struct sk_buff *skb) -{ - u8 *pos, *tim; - int aid0 = 0; - int i, num_bits = 0, n1, n2; - u8 bitmap[251]; - - /* Generate bitmap for TIM only if there are any STAs in power save - * mode. */ - if (atomic_read(&bss->num_sta_ps) > 0 && bss->max_aid > 0) { - memset(bitmap, 0, sizeof(bitmap)); - spin_lock_bh(&local->sta_lock); - for (i = 0; i < bss->max_aid; i++) { - if (bss->sta_aid[i] && - (!skb_queue_empty(&bss->sta_aid[i]->ps_tx_buf) || - !skb_queue_empty(&bss->sta_aid[i]->tx_filtered))) - { - bitmap[(i + 1) / 8] |= 1 << (i + 1) % 8; - num_bits++; - } - } - spin_unlock_bh(&local->sta_lock); - } - - if (bss->dtim_count == 0) - bss->dtim_count = bss->dtim_period - 1; - else - bss->dtim_count--; - - tim = pos = (u8 *) skb_put(skb, 6); - *pos++ = WLAN_EID_TIM; - *pos++ = 4; - *pos++ = bss->dtim_count; - *pos++ = bss->dtim_period; - - if (bss->dtim_count == 0 && !skb_queue_empty(&bss->ps_bc_buf)) { - aid0 = 1; - } - - if (num_bits) { - /* Find largest even number N1 so that bits numbered 1 through - * (N1 x 8) - 1 in the bitmap are 0 and number N2 so that bits - * (N2 + 1) x 8 through 2007 are 0. */ - n1 = 0; - for (i = 0; i < sizeof(bitmap); i++) { - if (bitmap[i]) { - n1 = i & 0xfe; - break; - } - } - n2 = n1; - for (i = sizeof(bitmap) - 1; i >= n1; i--) { - if (bitmap[i]) { - n2 = i; - break; - } - } - - /* Bitmap control */ - *pos++ = n1 | (aid0 ? 1 : 0); - /* Part Virt Bitmap */ - memcpy(pos, bitmap + n1, n2 - n1 + 1); - - tim[1] = n2 - n1 + 4; - skb_put(skb, n2 - n1); - } else { - *pos++ = aid0 ? 1 : 0; /* Bitmap control */ - *pos++ = 0; /* Part Virt Bitmap */ - } -} - - - - -struct sk_buff * ieee80211_beacon_get(struct net_device *dev, int bss_idx, - struct ieee80211_tx_control *control) -{ - struct ieee80211_local *local = dev->priv; - struct sk_buff *skb; - struct net_device *bdev; - struct ieee80211_sub_if_data *sdata = NULL; - struct ieee80211_if_norm *norm = NULL; - struct ieee80211_rate *rate; - struct rate_control_extra extra; - u8 *b_head, *b_tail; - int bh_len, bt_len; - - - spin_lock_bh(&local->sub_if_lock); - if (bss_idx < 0 || bss_idx >= local->bss_dev_count) - bdev = NULL; - else { - bdev = local->bss_devs[bss_idx]; - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - norm = &sdata->u.norm; - } - spin_unlock_bh(&local->sub_if_lock); - - if (bdev == NULL || norm == NULL || norm->beacon_head == NULL) { -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - if (net_ratelimit()) - printk(KERN_DEBUG "no beacon data avail for idx=%d " - "(%s)\n", bss_idx, bdev ? bdev->name : "N/A"); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - return NULL; - } - - /* Assume we are generating the normal beacon locally */ - b_head = norm->beacon_head; - b_tail = norm->beacon_tail; - bh_len = norm->beacon_head_len; - bt_len = norm->beacon_tail_len; - - - skb = dev_alloc_skb(bh_len + bt_len + 256 /* maximum TIM len */); - if (!skb) - return NULL; - - memcpy(skb_put(skb, bh_len), b_head, bh_len); - - ieee80211_beacon_add_tim(local, norm, skb); - - if (b_tail) { - memcpy(skb_put(skb, bt_len), b_tail, bt_len); - } - - memset(&extra, 0, sizeof(extra)); - extra.endidx = local->num_curr_rates; - - - rate = rate_control_get_rate(dev, skb, &extra); - if (rate == NULL) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: ieee80211_beacon_get: no rate " - "found\n", dev->name); - } - dev_kfree_skb(skb); - return NULL; - } - - control->tx_rate = (local->short_preamble && - (rate->flags & IEEE80211_RATE_PREAMBLE2)) ? - rate->val2 : rate->val; - control->antenna_sel = local->conf.antenna_sel; - control->power_level = local->conf.power_level; - control->no_ack = 1; - control->retry_limit = 1; - control->rts_cts_duration = 0; - control->clear_dst_mask = 1; - - - norm->num_beacons++; - return skb; -} - -struct sk_buff * -ieee80211_get_buffered_bc(struct net_device *dev, int bss_idx, - struct ieee80211_tx_control *control) -{ - struct ieee80211_local *local = dev->priv; - struct sk_buff *skb; - struct sta_info *sta; - ieee80211_tx_handler *handler; - struct ieee80211_txrx_data tx; - ieee80211_txrx_result res = TXRX_DROP; - struct net_device *bdev; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_norm *bss; - - - spin_lock_bh(&local->sub_if_lock); - if (bss_idx < 0 || bss_idx >= local->bss_dev_count) { - bdev = NULL; - bss = NULL; - } else { - bdev = local->bss_devs[bss_idx]; - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - bss = &sdata->u.norm; - } - spin_unlock_bh(&local->sub_if_lock); - if (bdev == NULL || bss == NULL || bss->beacon_head == NULL) - return NULL; - - if (bss->dtim_count != 0) - return NULL; /* send buffered bc/mc only after DTIM beacon */ - skb = skb_dequeue(&bss->ps_bc_buf); - memset(control, 0, sizeof(*control)); - if (skb == NULL) - return NULL; - local->total_ps_buffered--; - - if (!skb_queue_empty(&bss->ps_bc_buf) && skb->len >= 2) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - /* more buffered multicast/broadcast frames ==> set MoreData - * flag in IEEE 802.11 header to inform PS STAs */ - hdr->frame_control |= cpu_to_le16(WLAN_FC_MOREDATA); - } - - ieee80211_tx_prepare(&tx, skb, dev, control); - sta = tx.sta; - tx.u.tx.ps_buffered = 1; - - for (handler = local->tx_handlers; *handler != NULL; handler++) { - res = (*handler)(&tx); - if (res == TXRX_DROP || res == TXRX_QUEUED) - break; - } - - if (res == TXRX_DROP) { - I802_DEBUG_INC(local->tx_handlers_drop); - dev_kfree_skb(skb); - skb = NULL; - } else if (res == TXRX_QUEUED) { - I802_DEBUG_INC(local->tx_handlers_queued); - skb = NULL; - } - - if (sta) - sta_info_release(local, sta); - - return skb; -} - - -int ieee80211_hw_config(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - int i, ret = 0; - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "HW CONFIG: channel=%d freq=%d mode=%d " - "phymode=%d\n", local->conf.channel, local->conf.freq, - local->conf.mode, local->conf.phymode); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - - if (local->hw->config) - ret = local->hw->config(dev, &local->conf); - - for (i = 0; i < local->hw->num_modes; i++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[i]; - if (mode->mode == local->conf.phymode) { - if (local->curr_rates != mode->rates) { - rate_control_clear(local); - } - local->curr_rates = mode->rates; - local->num_curr_rates = mode->num_rates; - ieee80211_prepare_rates(dev); - break; - } - } - - return ret; -} - - -struct ieee80211_conf *ieee80211_get_hw_conf(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - return &local->conf; -} - - -static int ieee80211_change_mtu(struct net_device *dev, int new_mtu) -{ - /* FIX: what would be proper limits for MTU? - * This interface uses 802.3 frames. */ - if (new_mtu < 256 || new_mtu > 2304 - 24 - 6) { - printk(KERN_WARNING "%s: invalid MTU %d\n", - dev->name, new_mtu); - return -EINVAL; - } - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - dev->mtu = new_mtu; - return 0; -} - - -static int ieee80211_change_mtu_apdev(struct net_device *dev, int new_mtu) -{ - /* FIX: what would be proper limits for MTU? - * This interface uses 802.11 frames. */ - if (new_mtu < 256 || new_mtu > 2304) { - printk(KERN_WARNING "%s: invalid MTU %d\n", - dev->name, new_mtu); - return -EINVAL; - } - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - dev->mtu = new_mtu; - return 0; -} - - -static void ieee80211_tx_timeout(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - - printk(KERN_WARNING "%s: resetting interface.\n", dev->name); - - if (local->hw->reset(dev)) - printk(KERN_ERR "%s: failed to reset interface.\n", dev->name); - else - netif_wake_queue(dev); -} - - -static int ieee80211_set_mac_address(struct net_device *dev, void *addr) -{ - struct ieee80211_local *local = dev->priv; - struct sockaddr *a = addr; - struct list_head *ptr; - int res; - - if (!local->hw->set_mac_address) - return -EOPNOTSUPP; - - res = local->hw->set_mac_address(dev, addr); - if (res) - return res; - - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - memcpy(sdata->dev->dev_addr, a->sa_data, ETH_ALEN); - } - - return 0; -} - - -static struct net_device_stats *ieee80211_get_stats(struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - return &(sdata->stats); -} - - -static int ieee80211_open(struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_local *local = dev->priv; - int res; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - if (local->open_count == 0) { - res = local->hw->open(sdata->master); - if (res) - return res; - ieee80211_init_scan(sdata->master); - } - local->open_count++; - - netif_start_queue(dev); - return 0; -} - - -static int ieee80211_stop(struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_local *local = dev->priv; - int res; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - netif_stop_queue(dev); - - local->open_count--; - if (local->open_count == 0) { - ieee80211_stop_scan(sdata->master); - res = local->hw->stop(sdata->master); - if (res) - return res; - } - - return 0; -} - - -static int header_parse_80211(struct sk_buff *skb, unsigned char *haddr) -{ - memcpy(haddr, skb->mac.raw + 10, ETH_ALEN); /* addr2 */ - return ETH_ALEN; -} - - -static struct net_device * -ieee80211_get_wds_dev(struct ieee80211_local *local, u8 *addr) -{ - struct list_head *ptr; - - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - if (sdata->type == IEEE80211_SUB_IF_TYPE_WDS && - memcmp(addr, sdata->u.wds.remote_addr, ETH_ALEN) == 0) - return sdata->dev; - } - - return NULL; -} - - -static struct net_device * ieee80211_own_bssid(struct ieee80211_local *local, - u8 *addr) -{ - int i; - struct net_device *dev = NULL; - - spin_lock_bh(&local->sub_if_lock); - for (i = 0; i < local->bss_dev_count; i++) { - if ((memcmp(local->bss_devs[i]->dev_addr, addr, ETH_ALEN) == 0) - ) { - dev = local->bss_devs[i]; - break; - } - } - spin_unlock_bh(&local->sub_if_lock); - - return dev; -} - - - - -static struct net_device * ieee80211_sta_bssid(struct ieee80211_local *local, - u8 *addr, u8 *a1, - int *sta_multicast) -{ - struct list_head *ptr; - int multicast; - u8 *own_addr = local->mdev->dev_addr; - - multicast = a1[0] & 0x01; - - /* Try O(1) lookup for a common case of only one AP being used. */ - if (own_addr[0] == a1[0] && own_addr[1] == a1[1] && - own_addr[2] == a1[2]) { - int index = (((int) a1[3] << 16) | ((int) a1[4] << 8) | a1[5]) - - (((int) own_addr[3] << 16) | - ((int) own_addr[4] << 8) | own_addr[5]); - if (index >= 0 && index < local->conf.bss_count && - local->sta_devs[index]) { - struct net_device *dev = local->sta_devs[index]; - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (memcmp(addr, sdata->u.sta.bssid, ETH_ALEN) == 0) { - *sta_multicast = multicast; - return dev; - } - } - } - - if (!multicast) - return NULL; - - /* Could not find station interface, resort to O(n) lookup. */ - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - continue; - if (!multicast && - memcmp(a1, sdata->dev->dev_addr, ETH_ALEN) != 0) - continue; - - if (memcmp(addr, sdata->u.sta.bssid, ETH_ALEN) == 0 || - (memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0 && - local->conf.mode == IW_MODE_ADHOC)) { - *sta_multicast = multicast; - return sdata->dev; - } - } - - return NULL; -} - - -static int ieee80211_own_addr(struct net_device *dev, u8 *addr) -{ - struct ieee80211_local *local = dev->priv; - u8 *own = dev->dev_addr; - int index; - - /* Optimization: assume that BSSID mask does not change for first - * three octets. */ - if (own[0] != addr[0] || own[1] != addr[1] || own[2] != addr[2]) - return 0; - - index = (((int) addr[3] << 16) | ((int) addr[4] << 8) | addr[5]) - - (((int) own[3] << 16) | ((int) own[4] << 8) | own[5]); - if (index >= 0 && index < local->conf.bss_count && - local->sta_devs[index]) - return 1; - - return 0; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) -{ - struct net_device *dev = rx->dev; - struct ieee80211_local *local = rx->local; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; - u16 fc, hdrlen, ethertype; - u8 *payload; - u8 dst[ETH_ALEN]; - u8 src[ETH_ALEN]; - struct sk_buff *skb = rx->skb, *skb2; - struct ieee80211_sub_if_data *sdata; - - fc = rx->fc; - if (unlikely(WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA)) - return TXRX_CONTINUE; - - if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) - return TXRX_DROP; - - hdrlen = ieee80211_get_hdrlen(fc); - - /* convert IEEE 802.11 header + possible LLC headers into Ethernet - * header - * IEEE 802.11 address fields: - * ToDS FromDS Addr1 Addr2 Addr3 Addr4 - * 0 0 DA SA BSSID n/a - * 0 1 DA BSSID SA n/a - * 1 0 BSSID SA DA n/a - * 1 1 RA TA DA SA - */ - - switch (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) { - case WLAN_FC_TODS: - /* BSSID SA DA */ - memcpy(dst, hdr->addr3, ETH_ALEN); - memcpy(src, hdr->addr2, ETH_ALEN); - - if (unlikely(local->conf.mode != IW_MODE_MASTER || - !ieee80211_own_bssid(local, hdr->addr1))) { - printk(KERN_DEBUG "%s: dropped ToDS frame (BSSID=" - MACSTR " SA=" MACSTR " DA=" MACSTR ")\n", - dev->name, MAC2STR(hdr->addr1), - MAC2STR(hdr->addr2), MAC2STR(hdr->addr3)); - return TXRX_DROP; - } - break; - case (WLAN_FC_TODS | WLAN_FC_FROMDS): - /* RA TA DA SA */ - memcpy(dst, hdr->addr3, ETH_ALEN); - memcpy(src, hdr->addr4, ETH_ALEN); - - dev = ieee80211_get_wds_dev(local, hdr->addr2); - if (!dev || memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) != 0) { - printk(KERN_DEBUG "%s: dropped FromDS&ToDS frame (RA=" - MACSTR " TA=" MACSTR " DA=" MACSTR " SA=" - MACSTR ")\n", - rx->dev->name, MAC2STR(hdr->addr1), - MAC2STR(hdr->addr2), MAC2STR(hdr->addr3), - MAC2STR(hdr->addr4)); - return TXRX_DROP; - } - break; - case WLAN_FC_FROMDS: - /* DA BSSID SA */ - memcpy(dst, hdr->addr1, ETH_ALEN); - memcpy(src, hdr->addr3, ETH_ALEN); - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA || - memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0 || - memcmp(hdr->addr2, sdata->u.sta.bssid, ETH_ALEN) != 0) { - return TXRX_DROP; - } - break; - case 0: - /* DA SA BSSID */ - memcpy(dst, hdr->addr1, ETH_ALEN); - memcpy(src, hdr->addr2, ETH_ALEN); - - if (local->conf.mode != IW_MODE_ADHOC || - memcmp(hdr->addr3, local->bssid, ETH_ALEN) != 0) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: dropped IBSS frame (DA=" - MACSTR " SA=" MACSTR " BSSID=" MACSTR - ")\n", - dev->name, MAC2STR(hdr->addr1), - MAC2STR(hdr->addr2), - MAC2STR(hdr->addr3)); - } - return TXRX_DROP; - } - break; - } - - payload = skb->data + hdrlen; - - if (unlikely(skb->len - hdrlen < 8)) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: RX too short data frame " - "payload\n", dev->name); - } - return TXRX_DROP; - } - - ethertype = (payload[6] << 8) | payload[7]; - - if (likely((memcmp(payload, rfc1042_header, 6) == 0 && - ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || - memcmp(payload, bridge_tunnel_header, 6) == 0)) { - /* remove RFC1042 or Bridge-Tunnel encapsulation and - * replace EtherType */ - skb_pull(skb, hdrlen + 6); - memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); - } else { - struct ethhdr *ehdr; - unsigned short len; - skb_pull(skb, hdrlen); - len = htons(skb->len); - ehdr = (struct ethhdr *)skb_push(skb, sizeof(struct ethhdr)); - memcpy(ehdr->h_dest, dst, ETH_ALEN); - memcpy(ehdr->h_source, src, ETH_ALEN); - ehdr->h_proto = len; - } - - if (rx->sta && !rx->sta->assoc_ap && - !(rx->sta && (rx->sta->flags & WLAN_STA_WDS))) - skb->dev = rx->sta->dev; - else - skb->dev = dev; - - skb2 = NULL; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - /* - * don't count the master since the low level code - * counts it already for us. - */ - if (skb->dev != sdata->master) { - sdata->stats.rx_packets++; - sdata->stats.rx_bytes += skb->len; - } - - if (local->bridge_packets && sdata->type != IEEE80211_SUB_IF_TYPE_WDS - && sdata->type != IEEE80211_SUB_IF_TYPE_STA) { - if (MULTICAST_ADDR(skb->data)) { - /* send multicast frames both to higher layers in - * local net stack and back to the wireless media */ - skb2 = skb_copy(skb, GFP_ATOMIC); - if (skb2 == NULL) - printk(KERN_DEBUG "%s: failed to clone " - "multicast frame\n", dev->name); - } else { - struct sta_info *dsta; - dsta = sta_info_get(local, skb->data); - if (dsta && dsta->dev == NULL) { - printk(KERN_DEBUG "Station with null dev " - "structure!\n"); - } else if (dsta && dsta->dev == dev) { - /* Destination station is associated to this - * AP, so send the frame directly to it and - * do not pass the frame to local net stack. - */ - skb2 = skb; - skb = NULL; - } - if (dsta) - sta_info_release(local, dsta); - } - } - - if (skb) { - /* deliver to local stack */ - skb->protocol = eth_type_trans(skb, dev); - memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); - } - - if (skb2) { - /* send to wireless media */ - skb2->protocol = __constant_htons(ETH_P_802_3); - skb2->mac.raw = skb2->nh.raw = skb2->data; - dev_queue_xmit(skb2); - } - - return TXRX_QUEUED; -} - - -static struct ieee80211_rate * -ieee80211_get_rate(struct ieee80211_local *local, int phymode, int hw_rate) -{ - int m, r; - - for (m = 0; m < local->hw->num_modes; m++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[m]; - if (mode->mode != phymode) - continue; - for (r = 0; r < mode->num_rates; r++) { - struct ieee80211_rate *rate = &mode->rates[r]; - if (rate->val == hw_rate || - (rate->flags & IEEE80211_RATE_PREAMBLE2 && - rate->val2 == hw_rate)) - return rate; - } - } - - return NULL; -} - - -void -ieee80211_rx_mgmt(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *status, u32 msg_type) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_frame_info *fi; - size_t hlen; - struct ieee80211_sub_if_data *sdata; - - dev = local->apdev; - skb->dev = dev; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - if (skb_headroom(skb) < sizeof(struct ieee80211_frame_info)) { - I802_DEBUG_INC(local->rx_expand_skb_head); - if (pskb_expand_head(skb, sizeof(struct ieee80211_frame_info), - 0, GFP_ATOMIC)) { - dev_kfree_skb(skb); - return; - } - } - - hlen = sizeof(struct ieee80211_frame_info); - if (msg_type == ieee80211_msg_monitor) - hlen -= sizeof(fi->msg_type); - - fi = (struct ieee80211_frame_info *) skb_push(skb, hlen); - memset(fi, 0, hlen); - if (msg_type != ieee80211_msg_monitor) - fi->msg_type = htonl(msg_type); - fi->version = htonl(IEEE80211_FI_VERSION); - fi->length = htonl(hlen); - if (status) { -// struct timespec ts; - struct ieee80211_rate *rate; - -#if 0 - jiffies_to_timespec(status->hosttime, &ts); - fi->hosttime = cpu_to_be64(ts.tv_sec * 1000000 + - ts.tv_nsec / 1000); - fi->mactime = cpu_to_be64(status->mactime); -#endif - switch (status->phymode) { - case MODE_IEEE80211A: - fi->phytype = htonl(ieee80211_phytype_ofdm_dot11_a); - break; - case MODE_IEEE80211B: - fi->phytype = htonl(ieee80211_phytype_dsss_dot11_b); - break; - case MODE_IEEE80211G: - fi->phytype = htonl(ieee80211_phytype_pbcc_dot11_g); - break; - case MODE_ATHEROS_TURBO: - fi->phytype = - htonl(ieee80211_phytype_dsss_dot11_turbo); - break; - default: - fi->phytype = 0xAAAAAAAA; - break; - } - fi->channel = htonl(status->channel); - rate = ieee80211_get_rate(local, status->phymode, - status->rate); - if (rate) { - fi->datarate = htonl(rate->rate); - if (rate->flags & IEEE80211_RATE_PREAMBLE2) { - if (status->rate == rate->val) - fi->preamble = htonl(2); /* long */ - else if (status->rate == rate->val2) - fi->preamble = htonl(1); /* short */ - } else - fi->preamble = htonl(0); - } else { - fi->datarate = htonl(0); - fi->preamble = htonl(0); - } - - fi->antenna = htonl(status->antenna); - fi->priority = 0xffffffff; /* no clue */ - fi->ssi_type = htonl(ieee80211_ssi_raw); - fi->ssi_signal = htonl(status->ssi); - fi->ssi_noise = 0x00000000; - fi->encoding = 0; - } else { - fi->ssi_type = htonl(ieee80211_ssi_none); - } - - sdata->stats.rx_packets++; - sdata->stats.rx_bytes += skb->len; - - skb->mac.raw = skb->data; - skb->ip_summed = CHECKSUM_UNNECESSARY; - skb->pkt_type = PACKET_OTHERHOST; - skb->protocol = __constant_htons(ETH_P_802_2); - memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); -} - - -int ieee80211_radar_status(struct net_device *dev, int channel, int radar, - int radar_type) -{ - struct sk_buff *skb; - struct ieee80211_radar_info *msg; - - skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) + - sizeof(struct ieee80211_radar_info)); - - if (skb == NULL) - return -ENOMEM; - skb_reserve(skb, sizeof(struct ieee80211_frame_info)); - - msg = (struct ieee80211_radar_info *) - skb_put(skb, sizeof(struct ieee80211_radar_info)); - msg->channel = channel; - msg->radar = radar; - msg->radar_type = radar_type; - - ieee80211_rx_mgmt(dev, skb, 0, ieee80211_msg_radar); - return 0; -} - - -int ieee80211_set_aid_for_sta(struct net_device *dev, u8 *peer_address, - u16 aid) -{ - struct sk_buff *skb; - struct ieee80211_msg_set_aid_for_sta *msg; - - skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) + - sizeof(struct ieee80211_msg_set_aid_for_sta)); - - if (skb == NULL) - return -ENOMEM; - skb_reserve(skb, sizeof(struct ieee80211_frame_info)); - - msg = (struct ieee80211_msg_set_aid_for_sta *) - skb_put(skb, sizeof(struct ieee80211_msg_set_aid_for_sta)); - memcpy(msg->sta_address, peer_address, ETH_ALEN); - msg->aid = aid; - - ieee80211_rx_mgmt(dev, skb, 0, ieee80211_msg_set_aid_for_sta); - return 0; -} - - -static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta) -{ - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - - if (sdata->bss) - atomic_inc(&sdata->bss->num_sta_ps); - sta->flags |= WLAN_STA_PS; - sta->pspoll = 0; -#ifdef IEEE80211_VERBOSE_DEBUG_PS - printk(KERN_DEBUG "%s: STA " MACSTR " aid %d enters power " - "save mode\n", dev->name, MAC2STR(sta->addr), sta->aid); -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ -} - - -static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) -{ - struct ieee80211_local *local = dev->priv; - struct sk_buff *skb; - int sent = 0; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_tx_packet_data *pkt_data; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sdata->bss) - atomic_dec(&sdata->bss->num_sta_ps); - sta->flags &= ~(WLAN_STA_PS | WLAN_STA_TIM); - sta->pspoll = 0; - if (!skb_queue_empty(&sta->ps_tx_buf) && local->hw->set_tim) - local->hw->set_tim(dev, sta->aid, 0); -#ifdef IEEE80211_VERBOSE_DEBUG_PS - printk(KERN_DEBUG "%s: STA " MACSTR " aid %d exits power " - "save mode\n", dev->name, MAC2STR(sta->addr), sta->aid); -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ - /* Send all buffered frames to the station */ - while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - sent++; - pkt_data->control.requeue = 1; - dev_queue_xmit(skb); - } - while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) { - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - local->total_ps_buffered--; - sent++; -#ifdef IEEE80211_VERBOSE_DEBUG_PS - printk(KERN_DEBUG "%s: STA " MACSTR " aid %d send PS frame " - "since STA not sleeping anymore\n", dev->name, - MAC2STR(sta->addr), sta->aid); -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ - pkt_data->control.requeue = 1; - dev_queue_xmit(skb); - } - - return sent; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) -{ - struct sk_buff *skb; - int no_pending_pkts; - - if (likely(!rx->sta || WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_CTRL || - WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_PSPOLL)) - return TXRX_CONTINUE; - - skb = skb_dequeue(&rx->sta->tx_filtered); - if (skb == NULL) { - skb = skb_dequeue(&rx->sta->ps_tx_buf); - if (skb) - rx->local->total_ps_buffered--; - } - no_pending_pkts = skb_queue_empty(&rx->sta->tx_filtered) && - skb_queue_empty(&rx->sta->ps_tx_buf); - - if (skb) { - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) skb->data; - - /* tell TX path to send one frame even though the STA may - * still remain is PS mode after this frame exchange */ - rx->sta->pspoll = 1; - -#ifdef IEEE80211_VERBOSE_DEBUG_PS - printk(KERN_DEBUG "STA " MACSTR " aid %d: PS Poll (entries " - "after %d)\n", - MAC2STR(rx->sta->addr), rx->sta->aid, - skb_queue_len(&rx->sta->ps_tx_buf)); -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ - - /* Use MoreData flag to indicate whether there are more - * buffered frames for this STA */ - if (no_pending_pkts) { - hdr->frame_control &= cpu_to_le16(~WLAN_FC_MOREDATA); - rx->sta->flags &= ~WLAN_STA_TIM; - } else - hdr->frame_control |= cpu_to_le16(WLAN_FC_MOREDATA); - - dev_queue_xmit(skb); - - if (no_pending_pkts && rx->local->hw->set_tim) - rx->local->hw->set_tim(rx->dev, rx->sta->aid, 0); -#ifdef IEEE80211_VERBOSE_DEBUG_PS - } else if (!rx->u.rx.sent_ps_buffered) { - printk(KERN_DEBUG "%s: STA " MACSTR " sent PS Poll even " - "though there is no buffered frames for it\n", - rx->dev->name, MAC2STR(rx->sta->addr)); -#endif /* IEEE80211_VERBOSE_DEBUG_PS */ - - } - - /* Free PS Poll skb here instead of returning TXRX_DROP that would - * count as an dropped frame. */ - dev_kfree_skb(rx->skb); - - return TXRX_QUEUED; -} - - -static inline struct ieee80211_fragment_entry * -ieee80211_reassemble_add(struct ieee80211_local *local, - unsigned int frag, unsigned int seq, int rx_queue, - struct sk_buff **skb) -{ - struct ieee80211_fragment_entry *entry; - int idx; - - idx = local->fragment_next; - entry = &local->fragments[local->fragment_next++]; - if (local->fragment_next >= IEEE80211_FRAGMENT_MAX) - local->fragment_next = 0; - - if (entry->skb) { -#ifdef CONFIG_IEEE80211_DEBUG - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) entry->skb->data; - printk(KERN_DEBUG "%s: RX reassembly removed oldest " - "fragment entry (idx=%d age=%lu seq=%d last_frag=%d " - "addr1=" MACSTR " addr2=" MACSTR "\n", - local->mdev->name, idx, - jiffies - entry->first_frag_time, entry->seq, - entry->last_frag, MAC2STR(hdr->addr1), - MAC2STR(hdr->addr2)); -#endif /* CONFIG_IEEE80211_DEBUG */ - dev_kfree_skb(entry->skb); - } - - entry->skb = *skb; - *skb = NULL; - entry->first_frag_time = jiffies; - entry->seq = seq; - entry->rx_queue = rx_queue; - entry->last_frag = frag; - entry->ccmp = 0; - - return entry; -} - - -static inline struct ieee80211_fragment_entry * -ieee80211_reassemble_find(struct ieee80211_local *local, - u16 fc, unsigned int frag, unsigned int seq, - int rx_queue, struct ieee80211_hdr *hdr) -{ - struct ieee80211_fragment_entry *entry; - int i, idx; - - idx = local->fragment_next; - for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) { - struct ieee80211_hdr *f_hdr; - u16 f_fc; - - idx--; - if (idx < 0) - idx = IEEE80211_FRAGMENT_MAX - 1; - - entry = &local->fragments[idx]; - if (!entry->skb || entry->seq != seq || - entry->rx_queue != rx_queue || - entry->last_frag + 1 != frag) - continue; - - f_hdr = (struct ieee80211_hdr *) entry->skb->data; - f_fc = le16_to_cpu(f_hdr->frame_control); - - if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_GET_TYPE(f_fc) || - memcmp(hdr->addr1, f_hdr->addr1, ETH_ALEN) != 0 || - memcmp(hdr->addr2, f_hdr->addr2, ETH_ALEN) != 0) - continue; - - if (entry->first_frag_time + 2 * HZ < jiffies) { - dev_kfree_skb(entry->skb); - entry->skb = NULL; - continue; - } - return entry; - } - - return NULL; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_hdr *hdr; - u16 sc; - unsigned int frag, seq; - struct ieee80211_fragment_entry *entry; - - hdr = (struct ieee80211_hdr *) rx->skb->data; - sc = le16_to_cpu(hdr->seq_ctrl); - frag = WLAN_GET_SEQ_FRAG(sc); - - if (likely((!(rx->fc & WLAN_FC_MOREFRAG) && frag == 0) || - (rx->skb)->len < 24 || MULTICAST_ADDR(hdr->addr1))) { - /* not fragmented */ - goto out; - } - I802_DEBUG_INC(rx->local->rx_handlers_fragments); - - seq = WLAN_GET_SEQ_SEQ(sc); - - if (frag == 0) { - /* This is the first fragment of a new frame. */ - entry = ieee80211_reassemble_add(rx->local, frag, seq, - rx->u.rx.queue, &(rx->skb)); - if (rx->key && rx->key->alg == ALG_CCMP && - (rx->fc & WLAN_FC_ISWEP)) { - /* Store CCMP PN so that we can verify that the next - * fragment has a sequential PN value. */ - entry->ccmp = 1; - memcpy(entry->last_pn, - rx->key->u.ccmp.rx_pn[rx->u.rx.queue], - CCMP_PN_LEN); - } - return TXRX_QUEUED; - } - - /* This is a fragment for a frame that should already be pending in - * fragment cache. Add this fragment to the end of the pending entry. - */ - entry = ieee80211_reassemble_find(rx->local, rx->fc, frag, seq, - rx->u.rx.queue, hdr); - if (!entry) { - I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); - return TXRX_DROP; - } - - /* Verify that MPDUs within one MSDU have sequential PN values. - * (IEEE 802.11i, 8.3.3.4.5) */ - if (entry->ccmp) { - int i; - u8 pn[CCMP_PN_LEN], *rpn; - if (rx->key == NULL || rx->key->alg != ALG_CCMP) - return TXRX_DROP; - memcpy(pn, entry->last_pn, CCMP_PN_LEN); - for (i = CCMP_PN_LEN - 1; i >= 0; i--) { - pn[i]++; - if (pn[i]) - break; - } - rpn = rx->key->u.ccmp.rx_pn[rx->u.rx.queue]; - if (memcmp(pn, rpn, CCMP_PN_LEN) != 0) { - printk(KERN_DEBUG "%s: defrag: CCMP PN not sequential" - " A2=" MACSTR " PN=%02x%02x%02x%02x%02x%02x " - "(expected %02x%02x%02x%02x%02x%02x)\n", - rx->dev->name, MAC2STR(hdr->addr2), - rpn[0], rpn[1], rpn[2], rpn[3], rpn[4], rpn[5], - pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]); - return TXRX_DROP; - } - memcpy(entry->last_pn, pn, CCMP_PN_LEN); - } - - /* TODO: could gather list of skb's and reallocate data buffer only - * after finding out the total length of the frame */ - skb_pull(rx->skb, ieee80211_get_hdrlen(rx->fc)); - if (skb_tailroom(entry->skb) < rx->skb->len) { - I802_DEBUG_INC(rx->local->rx_expand_skb_head2); - if (unlikely(pskb_expand_head(entry->skb, 0, rx->skb->len, - GFP_ATOMIC))) { - I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); - return TXRX_DROP; - } - } - memcpy(skb_put(entry->skb, rx->skb->len), rx->skb->data, rx->skb->len); - entry->last_frag = frag; - dev_kfree_skb(rx->skb); - - if (rx->fc & WLAN_FC_MOREFRAG) { - rx->skb = NULL; - return TXRX_QUEUED; - } - - /* Complete frame has been reassembled - process it now */ - rx->skb = entry->skb; - rx->fragmented = 1; - entry->skb = NULL; - - out: - if (rx->sta) - rx->sta->rx_packets++; - if (MULTICAST_ADDR(hdr->addr1)) - rx->local->dot11MulticastReceivedFrameCount++; -#ifdef IEEE80211_LEDS - else - ieee80211_rx_led(2, rx->dev); -#endif /* IEEE80211_LEDS */ - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_monitor(struct ieee80211_txrx_data *rx) -{ - if (rx->local->conf.mode == IW_MODE_MONITOR) { - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_monitor); - return TXRX_QUEUED; - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_hdr *hdr; - int always_sta_key; - hdr = (struct ieee80211_hdr *) rx->skb->data; - - /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */ - if (rx->sta && !MULTICAST_ADDR(hdr->addr1)) { - if (unlikely(rx->fc & WLAN_FC_RETRY && - rx->sta->last_seq_ctrl[rx->u.rx.queue] == - hdr->seq_ctrl)) { - rx->local->dot11FrameDuplicateCount++; - rx->sta->num_duplicates++; - return TXRX_DROP; - } else - rx->sta->last_seq_ctrl[rx->u.rx.queue] = hdr->seq_ctrl; - } - - if (rx->local->hw->rx_includes_fcs && rx->skb->len > FCS_LEN) - skb_trim(rx->skb, rx->skb->len - FCS_LEN); - - if (unlikely(rx->skb->len < 16)) { - I802_DEBUG_INC(rx->local->rx_handlers_drop_short); - return TXRX_DROP; - } - - /* Filter out foreign unicast packets when in promiscuous mode. - * FIX: Filter out multicast to foreign BSSID. */ - if (rx->local->conf.mode == IW_MODE_INFRA && - !MULTICAST_ADDR(hdr->addr1) && - !ieee80211_own_addr(rx->dev, hdr->addr1)) - return TXRX_DROP; - - /* Drop disallowed frame classes based on STA auth/assoc state; - * IEEE 802.11, Chap 5.5. - * - * 80211.o does filtering only based on association state, i.e., it - * drops Class 3 frames from not associated stations. hostapd sends - * deauth/disassoc frames when needed. In addition, hostapd is - * responsible for filtering on both auth and assoc states. - */ - if (unlikely((WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA || - (WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_CTRL && - WLAN_FC_GET_STYPE(rx->fc) == WLAN_FC_STYPE_PSPOLL)) && - rx->local->conf.mode != IW_MODE_ADHOC && - (!rx->sta || !(rx->sta->flags & WLAN_STA_ASSOC)))) { - if (!(rx->fc & WLAN_FC_FROMDS) && !(rx->fc & WLAN_FC_TODS)) { - /* Drop IBSS frames silently. */ - return TXRX_DROP; - } - - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_sta_not_assoc); - return TXRX_QUEUED; - } - - if (rx->local->conf.mode == IW_MODE_INFRA) - always_sta_key = 0; - else - always_sta_key = 1; - - if (rx->sta && rx->sta->key && always_sta_key) { - rx->key = rx->sta->key; - } else { - if (!rx->sdata) { - printk(KERN_DEBUG "%s: sdata was null in packet!!\n", - rx->dev->name); - printk(KERN_DEBUG "%s: Addr1: " MACSTR "\n", - rx->dev->name, MAC2STR(hdr->addr1)); - printk(KERN_DEBUG "%s: Addr2: " MACSTR "\n", - rx->dev->name, MAC2STR(hdr->addr2)); - printk(KERN_DEBUG "%s: Addr3: " MACSTR "\n", - rx->dev->name, MAC2STR(hdr->addr3)); - return TXRX_DROP; - } - if (rx->sta && rx->sta->key) - rx->key = rx->sta->key; - else - rx->key = rx->sdata->default_key; - - if (rx->local->hw->wep_include_iv && - rx->fc & WLAN_FC_ISWEP) { - int keyidx = ieee80211_wep_get_keyidx(rx->skb); - - if (keyidx >= 0 && keyidx < NUM_DEFAULT_KEYS && - (rx->sta == NULL || rx->sta->key == NULL || - keyidx > 0)) { - rx->key = rx->sdata->keys[keyidx]; - } - if (!rx->key) { - printk(KERN_DEBUG "%s: RX WEP frame with " - "unknown keyidx %d (A1=" MACSTR " A2=" - MACSTR " A3=" MACSTR ")\n", - rx->dev->name, keyidx, - MAC2STR(hdr->addr1), - MAC2STR(hdr->addr2), - MAC2STR(hdr->addr3)); - ieee80211_rx_mgmt( - rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_wep_frame_unknown_key); - return TXRX_QUEUED; - } - } - } - - if (rx->fc & WLAN_FC_ISWEP && rx->key) { - rx->key->tx_rx_count++; - if (unlikely(rx->local->key_tx_rx_threshold && - rx->key->tx_rx_count > - rx->local->key_tx_rx_threshold)) { - ieee80211_key_threshold_notify(rx->dev, rx->key, - rx->sta); - } - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) -{ - struct sta_info *sta = rx->sta; - struct net_device *dev = rx->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; - - if (!sta) - return TXRX_CONTINUE; - - /* Update last_rx only for IBSS packets which are for the current - * BSSID to avoid keeping the current IBSS network alive in cases where - * other STAs are using different BSSID. */ - if (rx->local->conf.mode == IW_MODE_ADHOC) { - u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len); - if (memcmp(bssid, rx->local->bssid, ETH_ALEN) == 0) - sta->last_rx = jiffies; - } else - if (!MULTICAST_ADDR(hdr->addr1) || - rx->local->conf.mode == IW_MODE_INFRA) { - /* Update last_rx only for unicast frames in order to prevent - * the Probe Request frames (the only broadcast frames from a - * STA in infrastructure mode) from keeping a connection alive. - */ - sta->last_rx = jiffies; - } - sta->rx_fragments++; - sta->rx_bytes += rx->skb->len; - sta->last_rssi = rx->u.rx.status->ssi; - - if (!(rx->fc & WLAN_FC_MOREFRAG)) { - /* Change STA power saving mode only in the end of a frame - * exchange sequence */ - if ((sta->flags & WLAN_STA_PS) && !(rx->fc & WLAN_FC_PWRMGT)) - rx->u.rx.sent_ps_buffered += ap_sta_ps_end(dev, sta); - else if (!(sta->flags & WLAN_STA_PS) && - (rx->fc & WLAN_FC_PWRMGT)) - ap_sta_ps_start(dev, sta); - } - - /* Drop data::nullfunc frames silently, since they are used only to - * control station power saving mode. */ - if (WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA && - WLAN_FC_GET_STYPE(rx->fc) == WLAN_FC_STYPE_NULLFUNC) { - I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc); - /* Update counter and free packet here to avoid counting this - * as a dropped packed. */ - sta->rx_packets++; - dev_kfree_skb(rx->skb); - return TXRX_QUEUED; - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_wep_weak_iv_detection(struct ieee80211_txrx_data *rx) -{ - if (!rx->sta || !(rx->fc & WLAN_FC_ISWEP) || - WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA || !rx->key || - rx->key->alg != ALG_WEP) - return TXRX_CONTINUE; - - /* Check for weak IVs, if hwaccel did not remove IV from the frame */ - if (rx->local->hw->wep_include_iv || - rx->key->force_sw_encrypt || rx->local->conf.sw_decrypt) { - u8 *iv = ieee80211_wep_is_weak_iv(rx->skb, rx->key); - if (iv) { - rx->sta->wep_weak_iv_count++; - } - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_wep_decrypt(struct ieee80211_txrx_data *rx) -{ - /* If the device handles decryption totally, skip this test */ - if (rx->local->hw->device_hides_wep) - return TXRX_CONTINUE; - - if ((rx->key && rx->key->alg != ALG_WEP) || - !(rx->fc & WLAN_FC_ISWEP) || - (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA && - (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_MGMT || - WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_AUTH))) - return TXRX_CONTINUE; - - if (!rx->key) { - printk(KERN_DEBUG "%s: RX WEP frame, but no key set\n", - rx->dev->name); - return TXRX_DROP; - } - - if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED) || - rx->key->force_sw_encrypt || rx->local->conf.sw_decrypt) { - if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) { - printk(KERN_DEBUG "%s: RX WEP frame, decrypt " - "failed\n", rx->dev->name); - return TXRX_DROP; - } - } else if (rx->local->hw->wep_include_iv) { - ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key); - /* remove ICV */ - skb_trim(rx->skb, rx->skb->len - 4); - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_802_1x_pae(struct ieee80211_txrx_data *rx) -{ - if (rx->sdata->eapol && ieee80211_is_eapol(rx->skb) && - rx->local->conf.mode != IW_MODE_INFRA) { - /* Pass both encrypted and unencrypted EAPOL frames to user - * space for processing. */ - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_normal); - return TXRX_QUEUED; - } - - if (unlikely(rx->sdata->ieee802_1x && - WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA && - WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_NULLFUNC && - (!rx->sta || !(rx->sta->flags & WLAN_STA_AUTHORIZED)) && - !ieee80211_is_eapol(rx->skb))) { -#ifdef CONFIG_IEEE80211_DEBUG - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) rx->skb->data; - printk(KERN_DEBUG "%s: dropped frame from " MACSTR - " (unauthorized port)\n", rx->dev->name, - MAC2STR(hdr->addr2)); -#endif /* CONFIG_IEEE80211_DEBUG */ - return TXRX_DROP; - } - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_drop_unencrypted(struct ieee80211_txrx_data *rx) -{ - /* If the device handles decryption totally, skip this test */ - if (rx->local->hw->device_hides_wep) - return TXRX_CONTINUE; - - /* Drop unencrypted frames if key is set. */ - if (unlikely(!(rx->fc & WLAN_FC_ISWEP) && - WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA && - WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_NULLFUNC && - (rx->key || rx->sdata->drop_unencrypted) && - (rx->sdata->eapol == 0 || - !ieee80211_is_eapol(rx->skb)))) { - printk(KERN_DEBUG "%s: RX non-WEP frame, but expected " - "encryption\n", rx->dev->name); - return TXRX_DROP; - } - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status); - } else { - /* Management frames are sent to hostapd for processing */ - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_normal); - } - return TXRX_QUEUED; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_local *local = rx->local; - struct sk_buff *skb = rx->skb; - - if (unlikely(local->sta_scanning != 0)) { - ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status); - return TXRX_QUEUED; - } - - if (WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA) - local->scan.txrx_count++; - if (unlikely(local->scan.in_scan != 0 && - rx->u.rx.status->freq == local->scan.freq)) { - struct ieee80211_hdr *hdr; - u16 fc; - - local->scan.rx_packets++; - - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && - WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) { - local->scan.rx_beacon++; - /* Need to trim FCS here because it is normally - * removed only after this passive scan handler. */ - if (rx->local->hw->rx_includes_fcs && - rx->skb->len > FCS_LEN) - skb_trim(rx->skb, rx->skb->len - FCS_LEN); - - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_passive_scan); - return TXRX_QUEUED; - } else { - I802_DEBUG_INC(local->rx_handlers_drop_passive_scan); - return TXRX_DROP; - } - } - - return TXRX_CONTINUE; -} - - -static u8 * ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len) -{ - u16 fc; - - if (len < 24) - return NULL; - - fc = le16_to_cpu(hdr->frame_control); - - switch (WLAN_FC_GET_TYPE(fc)) { - case WLAN_FC_TYPE_DATA: - switch (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) { - case WLAN_FC_TODS: - return hdr->addr1; - case (WLAN_FC_TODS | WLAN_FC_FROMDS): - return NULL; - case WLAN_FC_FROMDS: - return hdr->addr2; - case 0: - return hdr->addr3; - } - break; - case WLAN_FC_TYPE_MGMT: - return hdr->addr3; - case WLAN_FC_TYPE_CTRL: - if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PSPOLL) - return hdr->addr1; - else - return NULL; - } - - return NULL; -} - - -static struct net_device * ieee80211_get_rx_dev(struct ieee80211_local *local, - struct ieee80211_hdr *hdr, - size_t len, int *sta_broadcast) -{ - u8 *bssid; - struct net_device *dev; - u16 fc; - - bssid = ieee80211_get_bssid(hdr, len); - if (bssid) { - dev = ieee80211_own_bssid(local, bssid); - if (!dev && (local->conf.mode == IW_MODE_INFRA || - local->conf.mode == IW_MODE_ADHOC)) - dev = ieee80211_sta_bssid(local, bssid, hdr->addr1, - sta_broadcast); - if (dev) - return dev; - } - - if (len >= 30) { - fc = le16_to_cpu(hdr->frame_control); - if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA && - (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) == - (WLAN_FC_TODS | WLAN_FC_FROMDS)) { - dev = ieee80211_get_wds_dev(local, hdr->addr2); - if (dev) - return dev; - } - } - - /* Default to default device if nothing else matches */ - return local->wdev; -} - - -static void ieee80211_rx_michael_mic_report(struct net_device *dev, - struct ieee80211_hdr *hdr, - struct sta_info *sta, - struct ieee80211_txrx_data *rx) -{ - int keyidx, hdrlen; - - hdrlen = ieee80211_get_hdrlen_from_skb(rx->skb); - if (rx->skb->len >= hdrlen + 4) - keyidx = rx->skb->data[hdrlen + 3] >> 6; - else - keyidx = -1; - - /* TODO: verify that this is not triggered by fragmented - * frames (hw does not verify MIC for them). */ - printk(KERN_DEBUG "%s: TKIP hwaccel reported Michael MIC " - "failure from " MACSTR " to " MACSTR " keyidx=%d\n", - dev->name, MAC2STR(hdr->addr2), MAC2STR(hdr->addr1), keyidx); - - if (sta == NULL) { - /* Some hardware versions seem to generate incorrect - * Michael MIC reports; ignore them to avoid triggering - * countermeasures. */ - printk(KERN_DEBUG "%s: ignored spurious Michael MIC " - "error for unknown address " MACSTR "\n", - dev->name, MAC2STR(hdr->addr2)); - goto ignore; - } - - if (!(rx->fc & WLAN_FC_ISWEP)) { - printk(KERN_DEBUG "%s: ignored spurious Michael MIC " - "error for a frame with no ISWEP flag (src " - MACSTR ")\n", dev->name, MAC2STR(hdr->addr2)); - goto ignore; - } - - if (rx->local->hw->wep_include_iv && - rx->local->conf.mode == IW_MODE_MASTER) { - int keyidx = ieee80211_wep_get_keyidx(rx->skb); - /* AP with Pairwise keys support should never receive Michael - * MIC errors for non-zero keyidx because these are reserved - * for group keys and only the AP is sending real multicast - * frames in BSS. */ - if (keyidx) { - printk(KERN_DEBUG "%s: ignored Michael MIC error for " - "a frame with non-zero keyidx (%d) (src " MACSTR - ")\n", dev->name, keyidx, MAC2STR(hdr->addr2)); - goto ignore; - } - } - - if (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA && - (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_MGMT || - WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_AUTH)) { - printk(KERN_DEBUG "%s: ignored spurious Michael MIC " - "error for a frame that cannot be encrypted " - "(fc=0x%04x) (src " MACSTR ")\n", - dev->name, rx->fc, MAC2STR(hdr->addr2)); - goto ignore; - } - - do { - union iwreq_data wrqu; - char *buf = kmalloc(128, GFP_ATOMIC); - if (buf == NULL) - break; - - /* TODO: needed parameters: count, key type, TSC */ - sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" - "keyid=%d %scast addr=" MACSTR ")", - keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni", - MAC2STR(hdr->addr2)); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(rx->dev, IWEVCUSTOM, &wrqu, buf); - kfree(buf); - } while (0); - - /* TODO: consider verifying the MIC error report with software - * implementation if we get too many spurious reports from the - * hardware. */ - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_michael_mic_failure); - return; - - ignore: - dev_kfree_skb(rx->skb); - rx->skb = NULL; -} - - -static void ieee80211_sta_rx_broadcast(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_local *local = rx->dev->priv; - u8 *_bssid, bssid[ETH_ALEN]; - struct sk_buff *orig_skb = rx->skb, *skb; - struct ieee80211_hdr *hdr; - ieee80211_rx_handler *handler; - ieee80211_txrx_result res; - struct list_head *ptr; - - hdr = (struct ieee80211_hdr *) orig_skb->data; - _bssid = ieee80211_get_bssid(hdr, orig_skb->len); - if (_bssid == NULL) { - dev_kfree_skb(orig_skb); - return; - } - memcpy(bssid, _bssid, ETH_ALEN); - - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA || - (memcmp(bssid, sdata->u.sta.bssid, ETH_ALEN) != 0 && - !(bssid[0] & 0x01))) - continue; - - skb = skb_copy(orig_skb, GFP_ATOMIC); - if (skb == NULL) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: failed to copy " - "multicast frame for %s", - rx->dev->name, sdata->dev->name); - } - continue; - } - - hdr = (struct ieee80211_hdr *) skb->data; - rx->skb = skb; - rx->dev = sdata->dev; - rx->sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); - - res = TXRX_DROP; - for (handler = local->rx_handlers; *handler != NULL; handler++) - { - res = (*handler)(rx); - if (res == TXRX_DROP || res == TXRX_QUEUED) - break; - } - - if (res == TXRX_DROP || *handler == NULL) - dev_kfree_skb(skb); - } - - dev_kfree_skb(orig_skb); -} - - -/* - * This is the receive path handler. It is called by a low level driver when an - * 802.11 MPDU is received from the hardware. - */ -void ieee80211_rx(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *status) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - struct ieee80211_hdr *hdr; - ieee80211_rx_handler *handler; - struct ieee80211_txrx_data rx; - ieee80211_txrx_result res = TXRX_DROP; - u16 type; - int sta_broadcast = 0; - - hdr = (struct ieee80211_hdr *) skb->data; - memset(&rx, 0, sizeof(rx)); - rx.skb = skb; - rx.local = local; - if (skb->len >= 16) { - sta = rx.sta = sta_info_get(local, hdr->addr2); - if (unlikely(sta == NULL && - local->conf.mode == IW_MODE_ADHOC)) { - u8 *bssid = ieee80211_get_bssid(hdr, skb->len); - if (bssid && - memcmp(bssid, local->bssid, ETH_ALEN) == 0) - sta = rx.sta = - ieee80211_ibss_add_sta(dev, skb, bssid, - hdr->addr2); - } - } else - sta = rx.sta = NULL; - if (sta && !sta->assoc_ap && !(sta->flags & WLAN_STA_WDS)) - rx.dev = sta->dev; - else - rx.dev = ieee80211_get_rx_dev(local, hdr, skb->len, - &sta_broadcast); - - rx.sdata = IEEE80211_DEV_TO_SUB_IF(rx.dev); - rx.u.rx.status = status; - rx.fc = skb->len >= 2 ? le16_to_cpu(hdr->frame_control) : 0; - type = WLAN_FC_GET_TYPE(rx.fc); - if (type == WLAN_FC_TYPE_DATA || type == WLAN_FC_TYPE_MGMT) - local->dot11ReceivedFragmentCount++; - if (sta_broadcast) { - ieee80211_sta_rx_broadcast(&rx); - goto end; - } - - if ((status->flag & RX_FLAG_MMIC_ERROR)) { - ieee80211_rx_michael_mic_report(dev, hdr, sta, &rx); - goto end; - } - - for (handler = local->rx_handlers; *handler != NULL; handler++) { - res = (*handler)(&rx); - if (res != TXRX_CONTINUE) { - if (res == TXRX_DROP) { - I802_DEBUG_INC(local->rx_handlers_drop); - if (sta) - sta->rx_dropped++; - } - if (res == TXRX_QUEUED) - I802_DEBUG_INC(local->rx_handlers_queued); - break; - } - } - - if (res == TXRX_DROP || *handler == NULL) - dev_kfree_skb(skb); - - end: - if (sta) - sta_info_release(local, sta); -} - - -static ieee80211_txrx_result -ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_local *local = tx->local; - struct sk_buff *skb = tx->skb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u32 load = 0, hdrtime; - - /* TODO: this could be part of tx_status handling, so that the number - * of retries would be known; TX rate should in that case be stored - * somewhere with the packet */ - - /* Estimate total channel use caused by this frame */ - - /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values, - * 1 usec = 1/8 * (1080 / 10) = 13.5 */ - - if (local->conf.phymode == MODE_IEEE80211A || - local->conf.phymode == MODE_ATHEROS_TURBO || - local->conf.phymode == MODE_ATHEROS_TURBOG || - (local->conf.phymode == MODE_IEEE80211G && - tx->u.tx.rate->flags & IEEE80211_RATE_ERP)) - hdrtime = CHAN_UTIL_HDR_SHORT; - else - hdrtime = CHAN_UTIL_HDR_LONG; - - load = hdrtime; - if (!MULTICAST_ADDR(hdr->addr1)) - load += hdrtime; - - if (tx->u.tx.control->use_rts_cts) - load += 2 * hdrtime; - else if (tx->u.tx.control->use_cts_protect) - load += hdrtime; - - load += skb->len * tx->u.tx.rate->rate_inv; - - if (tx->u.tx.extra_frag) { - int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - load += 2 * hdrtime; - load += tx->u.tx.extra_frag[i]->len * - tx->u.tx.rate->rate; - } - } - - /* Divide channel_use by 8 to avoid wrapping around the counter */ - load >>= CHAN_UTIL_SHIFT; - local->channel_use_raw += load; - if (tx->sta) - tx->sta->channel_use_raw += load; - tx->sdata->channel_use_raw += load; - - return TXRX_CONTINUE; -} - - -static ieee80211_txrx_result -ieee80211_rx_h_load_stats(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_local *local = rx->local; - struct sk_buff *skb = rx->skb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u32 load = 0, hdrtime; - struct ieee80211_rate *rate; - int i; - - /* Estimate total channel use caused by this frame */ - - if (unlikely(local->num_curr_rates < 0)) - return TXRX_CONTINUE; - - rate = &local->curr_rates[0]; - for (i = 0; i < local->num_curr_rates; i++) { - if (local->curr_rates[i].val == rx->u.rx.status->rate) { - rate = &local->curr_rates[i]; - break; - } - } - - /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values, - * 1 usec = 1/8 * (1080 / 10) = 13.5 */ - - if (local->conf.phymode == MODE_IEEE80211A || - local->conf.phymode == MODE_ATHEROS_TURBO || - local->conf.phymode == MODE_ATHEROS_TURBOG || - (local->conf.phymode == MODE_IEEE80211G && - rate->flags & IEEE80211_RATE_ERP)) - hdrtime = CHAN_UTIL_HDR_SHORT; - else - hdrtime = CHAN_UTIL_HDR_LONG; - - load = hdrtime; - if (!MULTICAST_ADDR(hdr->addr1)) - load += hdrtime; - - load += skb->len * rate->rate_inv; - - /* Divide channel_use by 8 to avoid wrapping around the counter */ - load >>= CHAN_UTIL_SHIFT; - local->channel_use_raw += load; - if (rx->sta) - rx->sta->channel_use_raw += load; - rx->sdata->channel_use_raw += load; - - return TXRX_CONTINUE; -} - - -static void ieee80211_stat_refresh(unsigned long data) -{ - struct ieee80211_local *local = (struct ieee80211_local *) data; - struct list_head *ptr, *n; - - if (!local->stat_time) - return; - - /* go through all stations */ - spin_lock_bh(&local->sta_lock); - list_for_each(ptr, &local->sta_list) { - struct sta_info *sta = - list_entry(ptr, struct sta_info, list); - sta->channel_use = (sta->channel_use_raw / local->stat_time) / - CHAN_UTIL_PER_10MS; - sta->channel_use_raw = 0; - } - spin_unlock_bh(&local->sta_lock); - - /* go through all subinterfaces */ - list_for_each_safe(ptr, n, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - sdata->channel_use = (sdata->channel_use_raw / - local->stat_time) / CHAN_UTIL_PER_10MS; - sdata->channel_use_raw = 0; - - } - - /* hardware interface */ - local->channel_use = (local->channel_use_raw / - local->stat_time) / CHAN_UTIL_PER_10MS; - local->channel_use_raw = 0; - - local->stat_timer.expires = jiffies + HZ * local->stat_time / 100; - add_timer(&local->stat_timer); -} - - -/* This is a version of the rx handler that can be called from hard irq - * context. Post the skb on the queue and schedule the tasklet */ -void ieee80211_rx_irqsafe(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *status) -{ - struct ieee80211_local *local = dev->priv; - - skb->dev = dev; - memcpy(skb->cb, status, sizeof(struct ieee80211_rx_status)); - skb->pkt_type = ieee80211_rx_msg; - skb_queue_tail(&local->skb_queue, skb); - tasklet_schedule(&local->tasklet); -} - - -void ieee80211_tx_status_irqsafe(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_status *status) -{ - struct ieee80211_local *local = dev->priv; - int tmp; - - if (status->tx_filtered || status->excessive_retries) { - /* Need to save a copy of skb->cb somewhere. Storing it in the - * end of the data might not be the most efficient way of doing - * this (since it may require reallocation of packet data), but - * should be good enough for now since tx_filtered or - * excessive_retries should not be triggered that often. */ - if (skb_is_nonlinear(skb)) { - if (skb_linearize(skb, GFP_ATOMIC)) { - printk(KERN_DEBUG "%s: Failed to linearize " - "skb\n", dev->name); - dev_kfree_skb_irq(skb); - return; - } - } - if (skb_tailroom(skb) < sizeof(skb->cb) && - pskb_expand_head(skb, 0, sizeof(skb->cb), GFP_ATOMIC)) { - printk(KERN_DEBUG "%s: Failed to store skb->cb " - "in skb->data for TX filtered frame\n", - dev->name); - dev_kfree_skb_irq(skb); - return; - } - memcpy(skb_put(skb, sizeof(skb->cb)), skb->cb, - sizeof(skb->cb)); - } - - skb->dev = dev; - memcpy(skb->cb, status, sizeof(struct ieee80211_tx_status)); - skb->pkt_type = ieee80211_tx_status_msg; - skb_queue_tail(status->req_tx_status ? - &local->skb_queue : &local->skb_queue_unreliable, skb); - tmp = skb_queue_len(&local->skb_queue) + - skb_queue_len(&local->skb_queue_unreliable); - while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT && - (skb = skb_dequeue(&local->skb_queue_unreliable))) { - dev_kfree_skb_irq(skb); - tmp--; - I802_DEBUG_INC(local->tx_status_drop); - } - tasklet_schedule(&local->tasklet); -} - - -static void ieee80211_tasklet_handler(unsigned long data) -{ - struct ieee80211_local *local = (struct ieee80211_local *) data; - struct sk_buff *skb; - struct ieee80211_rx_status rx_status; - struct ieee80211_tx_status tx_status; - - while ((skb = skb_dequeue(&local->skb_queue)) || - (skb = skb_dequeue(&local->skb_queue_unreliable))) { - switch (skb->pkt_type) { - case ieee80211_rx_msg: - /* Make a copy of the RX status because the original - * skb may be freed during processing. Clear skb->type - * in order to not confuse kernel netstack. */ - memcpy(&rx_status, skb->cb, sizeof(rx_status)); - skb->pkt_type = 0; - ieee80211_rx(skb->dev, skb, &rx_status); - break; - case ieee80211_tx_status_msg: - /* Make a copy of the TX status because the original - * skb may be freed during processing. */ - memcpy(&tx_status, skb->cb, sizeof(tx_status)); - skb->pkt_type = 0; - if ((tx_status.tx_filtered || - tx_status.excessive_retries) && - skb->len >= sizeof(skb->cb)) { - /* Restore skb->cb from the copy that was made - * in ieee80211_tx_status_irqsafe() */ - memcpy(skb->cb, - skb->data + skb->len - sizeof(skb->cb), - sizeof(skb->cb)); - skb_trim(skb, skb->len - sizeof(skb->cb)); - } - ieee80211_tx_status(skb->dev, skb, &tx_status); - break; - default: /* should never get here! */ - printk(KERN_ERR "%s: Unknown message type (%d)\n", - local->wdev->name, skb->pkt_type); - dev_kfree_skb(skb); - break; - } - } -} - - -/* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to - * make a prepared TX frame (one that has been given to hw) to look like brand - * new IEEE 802.11 frame that is ready to go through TX processing again. */ -static void ieee80211_remove_tx_extra(struct ieee80211_local *local, - struct ieee80211_key *key, - struct sk_buff *skb) -{ - int hdrlen, iv_len, mic_len; - - if (key == NULL) - return; - - hdrlen = ieee80211_get_hdrlen_from_skb(skb); - - switch (key->alg) { - case ALG_WEP: - iv_len = WEP_IV_LEN; - mic_len = WEP_ICV_LEN; - break; - case ALG_TKIP: - iv_len = TKIP_IV_LEN; - mic_len = TKIP_ICV_LEN; - break; - case ALG_CCMP: - iv_len = CCMP_HDR_LEN; - mic_len = CCMP_MIC_LEN; - break; - default: - return; - } - - if (skb->len >= mic_len && key->force_sw_encrypt) - skb_trim(skb, skb->len - mic_len); - if (skb->len >= iv_len && skb->len > hdrlen) { - memmove(skb->data + iv_len, skb->data, hdrlen); - skb_pull(skb, iv_len); - } - - { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc = le16_to_cpu(hdr->frame_control); - if ((fc & 0x8C) == 0x88) /* QoS Control Field */ { - fc &= ~(WLAN_FC_STYPE_QOS_DATA << 4); - hdr->frame_control = cpu_to_le16(fc); - memmove(skb->data + 2, skb->data, hdrlen - 2); - skb_pull(skb, 2); - } - } -} - - -void ieee80211_tx_status(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_status *status) -{ - struct sk_buff *skb2; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_local *local = dev->priv; - struct ieee80211_tx_packet_data *pkt_data = - (struct ieee80211_tx_packet_data *) skb->cb; - u16 frag, type; - u32 msg_type; - - if (!status) { - printk(KERN_ERR - "%s: ieee80211_tx_status called with NULL status\n", - dev->name); - dev_kfree_skb(skb); - return; - } - - if (status->excessive_retries) { - struct sta_info *sta; - - - sta = sta_info_get(local, hdr->addr1); - if (sta) { - if (sta->flags & WLAN_STA_PS) { - /* The STA is in power save mode, so assume - * that this TX packet failed because of that. - */ - status->excessive_retries = 0; - status->tx_filtered = 1; - } - sta_info_release(local, sta); - } - } - - if (status->tx_filtered) { - struct sta_info *sta; - sta = sta_info_get(local, hdr->addr1); - if (sta) { - - sta->tx_filtered_count++; - - /* Clear the TX filter mask for this STA when sending - * the next packet. If the STA went to power save mode, - * this will happen when it is waking up for the next - * time. */ - sta->clear_dst_mask = 1; - - /* TODO: Is the WLAN_STA_PS flag always set here or is - * the race between RX and TX status causing some - * packets to be filtered out before 80211.o gets an - * update for PS status? This seems to be the case, so - * no changes are likely to be needed. */ - if (sta->flags & WLAN_STA_PS && - skb_queue_len(&sta->tx_filtered) < - STA_MAX_TX_BUFFER) { - ieee80211_remove_tx_extra(local, sta->key, - skb); - skb_queue_tail(&sta->tx_filtered, skb); - } else if (!(sta->flags & WLAN_STA_PS) && - !pkt_data->control.requeue) { - /* Software retry the packet once */ - pkt_data->control.requeue = 1; - ieee80211_remove_tx_extra(local, sta->key, - skb); - dev_queue_xmit(skb); - } else { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: dropped TX " - "filtered frame queue_len=%d " - "PS=%d @%lu\n", - dev->name, - skb_queue_len( - &sta->tx_filtered), - !!(sta->flags & WLAN_STA_PS), - jiffies); - } - dev_kfree_skb(skb); - } - sta_info_release(local, sta); - return; - } - } else { - rate_control_tx_status(dev, skb, status); - } - -#ifdef IEEE80211_LEDS - if (local->tx_led_counter && (local->tx_led_counter-- == 1)) { - ieee80211_tx_led(0, dev); - } -#endif /* IEEE80211_LEDS */ - /* SNMP counters - * Fragments are passed to low-level drivers as separate skbs, so these - * are actually fragments, not frames. Update frame counters only for - * the first fragment of the frame. */ - - frag = WLAN_GET_SEQ_FRAG(le16_to_cpu(hdr->seq_ctrl)); - type = WLAN_FC_GET_TYPE(le16_to_cpu(hdr->frame_control)); - - if (status->ack) { - if (frag == 0) { - local->dot11TransmittedFrameCount++; - if (MULTICAST_ADDR(hdr->addr1)) - local->dot11MulticastTransmittedFrameCount++; - if (status->retry_count > 0) - local->dot11RetryCount++; - if (status->retry_count > 1) - local->dot11MultipleRetryCount++; - } - - /* This counter shall be incremented for an acknowledged MPDU - * with an individual address in the address 1 field or an MPDU - * with a multicast address in the address 1 field of type Data - * or Management. */ - if (!MULTICAST_ADDR(hdr->addr1) || type == WLAN_FC_TYPE_DATA || - type == WLAN_FC_TYPE_MGMT) - local->dot11TransmittedFragmentCount++; - } else { - if (frag == 0) - local->dot11FailedCount++; - } - - if (!status->req_tx_status) { - dev_kfree_skb(skb); - return; - } - - msg_type = status->ack ? ieee80211_msg_tx_callback_ack : - ieee80211_msg_tx_callback_fail; - - /* skb was the original skb used for TX. Clone it and give the clone - * to netif_rx(). Free original skb. */ - skb2 = skb_copy(skb, GFP_ATOMIC); - if (!skb2) { - dev_kfree_skb(skb); - return; - } - dev_kfree_skb(skb); - skb = skb2; - - /* Send frame to hostapd */ - ieee80211_rx_mgmt(dev, skb, NULL, msg_type); -} - - -/* TODO: implement register/unregister functions for adding TX/RX handlers - * into ordered list */ - -static ieee80211_rx_handler ieee80211_rx_handlers[] = -{ - ieee80211_rx_h_parse_qos, - ieee80211_rx_h_load_stats, - ieee80211_rx_h_monitor, - ieee80211_rx_h_passive_scan, - ieee80211_rx_h_check, - ieee80211_rx_h_sta_process, - ieee80211_rx_h_ccmp_decrypt, - ieee80211_rx_h_tkip_decrypt, - ieee80211_rx_h_wep_weak_iv_detection, - ieee80211_rx_h_wep_decrypt, - ieee80211_rx_h_defragment, - ieee80211_rx_h_ieee80211_rx_h_ps_poll, - ieee80211_rx_h_michael_mic_verify, - /* this must be after decryption - so header is counted in MPDU mic - * must be before pae and data, so QOS_DATA format frames - * are not passed to user space by these functions - */ - ieee80211_rx_h_remove_qos_control, - ieee80211_rx_h_802_1x_pae, - ieee80211_rx_h_drop_unencrypted, - ieee80211_rx_h_data, - ieee80211_rx_h_mgmt, - NULL -}; - -static ieee80211_tx_handler ieee80211_tx_handlers[] = -{ - ieee80211_tx_h_rate_limit, - ieee80211_tx_h_check_assoc, - ieee80211_tx_h_ps_buf, - ieee80211_tx_h_select_key, - ieee80211_tx_h_michael_mic_add, - ieee80211_tx_h_fragment, - ieee80211_tx_h_tkip_encrypt, - ieee80211_tx_h_ccmp_encrypt, - ieee80211_tx_h_wep_encrypt, - ieee80211_tx_h_rate_ctrl, - ieee80211_tx_h_misc, - ieee80211_tx_h_load_stats, - NULL -}; - - -static void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata) -{ - /* Default values for sub-interface parameters */ - sdata->drop_unencrypted = 0; - sdata->eapol = 1; -} - - -static struct net_device *ieee80211_if_add(struct net_device *dev, - char *name, int locked) -{ - struct net_device *wds_dev = NULL, *tmp_dev; - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata = NULL, *sdata_parent; - int alloc_size; - int ret; - int i; - - /* ensure 32-bit alignment of our private data and hw private data */ - alloc_size = sizeof(struct net_device) + 3 + - sizeof(struct ieee80211_sub_if_data) + 3; - - wds_dev = (struct net_device *) kmalloc(alloc_size, GFP_KERNEL); - if (wds_dev == NULL) - return NULL; - - memset(wds_dev, 0, alloc_size); - wds_dev->priv = local; - ether_setup(wds_dev); - if (strlen(name) == 0) { - i = 0; - do { - sprintf(wds_dev->name, "%s.%d", dev->name, i++); - tmp_dev = dev_get_by_name(wds_dev->name); - if (tmp_dev == NULL) - break; - dev_put(tmp_dev); - } while (i < 10000); - } else { - snprintf(wds_dev->name, IFNAMSIZ, "%s", name); - } - - memcpy(wds_dev->dev_addr, dev->dev_addr, ETH_ALEN); - wds_dev->hard_start_xmit = ieee80211_subif_start_xmit; - wds_dev->do_ioctl = ieee80211_ioctl; - wds_dev->change_mtu = ieee80211_change_mtu; - wds_dev->tx_timeout = ieee80211_tx_timeout; - wds_dev->get_stats = ieee80211_get_stats; - wds_dev->open = ieee80211_open; - wds_dev->stop = ieee80211_stop; - wds_dev->base_addr = dev->base_addr; - wds_dev->irq = dev->irq; - wds_dev->mem_start = dev->mem_start; - wds_dev->mem_end = dev->mem_end; - wds_dev->tx_queue_len = 0; - - sdata = IEEE80211_DEV_TO_SUB_IF(wds_dev); - sdata->type = IEEE80211_SUB_IF_TYPE_NORM; - sdata->master = local->mdev; - sdata->dev = wds_dev; - sdata->local = local; - memset(&sdata->stats, 0, sizeof(struct net_device_stats)); - sdata_parent = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata_parent->type == IEEE80211_SUB_IF_TYPE_NORM) - sdata->bss = &sdata_parent->u.norm; - else { - printk(KERN_DEBUG "%s: could not set BSS pointer for new " - "interface %s\n", dev->name, wds_dev->name); - } - ieee80211_if_sdata_init(sdata); - - if (locked) - ret = register_netdevice(wds_dev); - else - ret = register_netdev(wds_dev); - if (ret) { - kfree(wds_dev); - return NULL; - } - - list_add(&sdata->list, &local->sub_if_list); - - strcpy(name, wds_dev->name); - - return wds_dev; -} - - -int ieee80211_if_add_wds(struct net_device *dev, char *name, - struct ieee80211_if_wds *wds, int locked) -{ - struct net_device *wds_dev = NULL; - struct ieee80211_sub_if_data *sdata = NULL; - - if (strlen(name) != 0) { - wds_dev = dev_get_by_name(name); - if (wds_dev) { - dev_put(wds_dev); - return -EEXIST; - } - } - - wds_dev = ieee80211_if_add(dev, name, locked); - if (wds_dev == NULL) - return -ENOANO; - - sdata = IEEE80211_DEV_TO_SUB_IF(wds_dev); - sdata->type = IEEE80211_SUB_IF_TYPE_WDS; - memcpy(&sdata->u.wds, wds, sizeof(struct ieee80211_if_wds)); - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG - "%s: Added WDS Link to " MACSTR "\n", - wds_dev->name, MAC2STR(sdata->u.wds.remote_addr)); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - - - ieee80211_proc_init_virtual(wds_dev); - - return 0; -} - - -int ieee80211_if_update_wds(struct net_device *dev, char *name, - struct ieee80211_if_wds *wds, int locked) -{ - struct net_device *wds_dev = NULL; - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata = NULL; - struct sta_info *sta; - struct list_head *ptr; - - list_for_each(ptr, &local->sub_if_list) { - sdata = list_entry(ptr, struct ieee80211_sub_if_data, list); - if (strcmp(name, sdata->dev->name) == 0) { - wds_dev = sdata->dev; - break; - } - } - - if (wds_dev == NULL || sdata->type != IEEE80211_SUB_IF_TYPE_WDS) - return -ENODEV; - - /* Remove STA entry for the old peer */ - sta = sta_info_get(local, sdata->u.wds.remote_addr); - if (sta) { - sta_info_release(local, sta); - sta_info_free(local, sta, 0); - } else { - printk(KERN_DEBUG "%s: could not find STA entry for WDS link " - "%s peer " MACSTR "\n", - dev->name, wds_dev->name, - MAC2STR(sdata->u.wds.remote_addr)); - } - - /* Update WDS link data */ - memcpy(&sdata->u.wds, wds, sizeof(struct ieee80211_if_wds)); - - - return 0; -} - - -static void ieee80211_if_init(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - - spin_lock_init(&local->sub_if_lock); - INIT_LIST_HEAD(&local->sub_if_list); - -} - - -int ieee80211_if_add_vlan(struct net_device *dev, - char *name, - struct ieee80211_if_vlan *vlan, - int locked) -{ - struct net_device *vlan_dev = NULL; - struct ieee80211_sub_if_data *sdata = NULL; - - if (strlen(name) != 0) { - vlan_dev = dev_get_by_name(name); - if (vlan_dev) { - dev_put(vlan_dev); - return -EEXIST; - } - } - - vlan_dev = ieee80211_if_add(dev, name, locked); - if (vlan_dev == NULL) - return -ENOANO; - - sdata = IEEE80211_DEV_TO_SUB_IF(vlan_dev); - sdata->type = IEEE80211_SUB_IF_TYPE_VLAN; - ieee80211_proc_init_virtual(vlan_dev); - return 0; -} - - -static void ieee80211_if_norm_init(struct ieee80211_sub_if_data *sdata) -{ - sdata->type = IEEE80211_SUB_IF_TYPE_NORM; - sdata->u.norm.dtim_period = 2; - sdata->u.norm.force_unicast_rateidx = -1; - sdata->u.norm.max_ratectrl_rateidx = -1; - skb_queue_head_init(&sdata->u.norm.ps_bc_buf); - sdata->bss = &sdata->u.norm; -} - - -int ieee80211_if_add_norm(struct net_device *dev, char *name, u8 *bssid, - int locked) -{ - struct ieee80211_local *local = dev->priv; - struct net_device *norm_dev = NULL; - struct ieee80211_sub_if_data *sdata = NULL; - - if (local->bss_dev_count >= local->conf.bss_count) - return -ENOBUFS; - - if (strlen(name) != 0) { - norm_dev = dev_get_by_name(name); - if (norm_dev) { - dev_put(norm_dev); - return -EEXIST; - } - } - - norm_dev = ieee80211_if_add(dev, name, locked); - if (norm_dev == NULL) - return -ENOANO; - - memcpy(norm_dev->dev_addr, bssid, ETH_ALEN); - sdata = IEEE80211_DEV_TO_SUB_IF(norm_dev); - ieee80211_if_norm_init(sdata); - ieee80211_proc_init_virtual(norm_dev); - spin_lock_bh(&local->sub_if_lock); - local->bss_devs[local->bss_dev_count] = norm_dev; - local->bss_dev_count++; - spin_unlock_bh(&local->sub_if_lock); - - return 0; -} - - -static void ieee80211_addr_inc(u8 *addr) -{ - int pos = 5; - while (pos >= 0) { - addr[pos]++; - if (addr[pos] != 0) - break; - pos--; - } -} - - -int ieee80211_if_add_sta(struct net_device *dev, char *name, int locked) -{ - struct ieee80211_local *local = dev->priv; - struct net_device *sta_dev; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_sta *ifsta; - int i; - - if (local->sta_dev_count >= local->conf.bss_count) - return -ENOBUFS; - - if (strlen(name) != 0) { - sta_dev = dev_get_by_name(name); - if (sta_dev) { - dev_put(sta_dev); - return -EEXIST; - } - } - - sta_dev = ieee80211_if_add(dev, name, locked); - if (sta_dev == NULL) - return -ENOANO; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta_dev); - ifsta = &sdata->u.sta; - sdata->type = IEEE80211_SUB_IF_TYPE_STA; - ieee80211_proc_init_virtual(sta_dev); - - spin_lock_bh(&local->sub_if_lock); - for (i = 0; i < local->conf.bss_count; i++) { - if (local->sta_devs[i] == NULL) { - local->sta_devs[i] = sta_dev; - local->sta_dev_count++; - printk(KERN_DEBUG "%s: using STA entry %d\n", - sta_dev->name, i); - while (i > 0) { - ieee80211_addr_inc(sta_dev->dev_addr); - i--; - } - printk(KERN_DEBUG "%s: MAC address " MACSTR "\n", - sta_dev->name, MAC2STR(sta_dev->dev_addr)); - break; - } - } - spin_unlock_bh(&local->sub_if_lock); - - init_timer(&ifsta->timer); - ifsta->timer.data = (unsigned long) sta_dev; - ifsta->timer.function = ieee80211_sta_timer; - - ifsta->capab = WLAN_CAPABILITY_ESS; - ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN | - IEEE80211_AUTH_ALG_SHARED_KEY; - ifsta->create_ibss = 1; - ifsta->wmm_enabled = 1; - - return 0; -} - - -static void ieee80211_if_del(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata, int locked) -{ - struct sta_info *sta; - u8 addr[ETH_ALEN]; - int i, j; - struct list_head *ptr, *n; - - memset(addr, 0xff, ETH_ALEN); - for (i = 0; i < NUM_DEFAULT_KEYS; i++) { - if (!sdata->keys[i]) - continue; -#if 0 - /* Low-level driver has probably disabled hw - * already, so there is not really much point - * in disabling the keys at this point. */ - if (local->hw->set_key) - local->hw->set_key(dev, DISABLE_KEY, addr, - local->keys[i], 0); -#endif - kfree(sdata->keys[i]); - } - - switch (sdata->type) { - case IEEE80211_SUB_IF_TYPE_NORM: - /* Remove all virtual interfaces that use this BSS - * as their sdata->bss */ - list_for_each_safe(ptr, n, &local->sub_if_list) { - struct ieee80211_sub_if_data *tsdata = - list_entry(ptr, struct ieee80211_sub_if_data, - list); - - if (tsdata != sdata && tsdata->bss == &sdata->u.norm) { - printk(KERN_DEBUG "%s: removing virtual " - "interface %s because its BSS interface" - " is being removed\n", - sdata->dev->name, tsdata->dev->name); - ieee80211_if_del(local, tsdata, locked); - } - } - - kfree(sdata->u.norm.beacon_head); - kfree(sdata->u.norm.beacon_tail); - spin_lock_bh(&local->sub_if_lock); - for (j = 0; j < local->bss_dev_count; j++) { - if (sdata->dev == local->bss_devs[j]) { - if (j + 1 < local->bss_dev_count) { - memcpy(&local->bss_devs[j], - &local->bss_devs[j + 1], - (local->bss_dev_count - j - 1) * - sizeof(local->bss_devs[0])); - local->bss_devs[local->bss_dev_count - - 1] = NULL; - } else - local->bss_devs[j] = NULL; - local->bss_dev_count--; - break; - } - } - spin_unlock_bh(&local->sub_if_lock); - - if (sdata->dev != local->mdev) { - struct sk_buff *skb; - while ((skb = skb_dequeue(&sdata->u.norm.ps_bc_buf))) { - local->total_ps_buffered--; - dev_kfree_skb(skb); - } - } - - break; - case IEEE80211_SUB_IF_TYPE_WDS: - sta = sta_info_get(local, sdata->u.wds.remote_addr); - if (sta) { - sta_info_release(local, sta); - sta_info_free(local, sta, 0); - } else { -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Someone had deleted my STA " - "entry for the WDS link\n", sdata->dev->name); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - } - break; - case IEEE80211_SUB_IF_TYPE_STA: - del_timer_sync(&sdata->u.sta.timer); - if (local->scan_timer.data == (unsigned long) sdata->dev) - del_timer_sync(&local->scan_timer); - kfree(sdata->u.sta.extra_ie); - sdata->u.sta.extra_ie = NULL; - kfree(sdata->u.sta.assocreq_ies); - sdata->u.sta.assocreq_ies = NULL; - kfree(sdata->u.sta.assocresp_ies); - sdata->u.sta.assocresp_ies = NULL; - if (sdata->u.sta.probe_resp) { - dev_kfree_skb(sdata->u.sta.probe_resp); - sdata->u.sta.probe_resp = NULL; - } - for (i = 0; i < local->conf.bss_count; i++) { - if (local->sta_devs[i] == sdata->dev) { - local->sta_devs[i] = NULL; - local->sta_dev_count--; - break; - } - } - - break; - } - - /* remove all STAs that are bound to this virtual interface */ - sta_info_flush(local, sdata->dev); - - list_del(&sdata->list); - ieee80211_proc_deinit_virtual(sdata->dev); - if (locked) - unregister_netdevice(sdata->dev); - else - unregister_netdev(sdata->dev); - /* Default data device and management device are allocated with the - * master device. All other devices are separately allocated and will - * be freed here. */ - if (sdata->dev != local->mdev && sdata->dev != local->wdev && - sdata->dev != local->apdev) - kfree(sdata->dev); -} - - -static int ieee80211_if_remove(struct net_device *dev, char *name, int id, - int locked) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr, *n; - - /* Make sure not to touch sdata->master since it may - * have already been deleted, etc. */ - - list_for_each_safe(ptr, n, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - - if (sdata->type == id && strcmp(name, sdata->dev->name) == 0) { - ieee80211_if_del(local, sdata, locked); - break; - } - } - - return 0; -} - - -int ieee80211_if_remove_wds(struct net_device *dev, char *name, int locked) -{ - return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_WDS, - locked); -} - - -int ieee80211_if_remove_vlan(struct net_device *dev, char *name, int locked) -{ - return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_VLAN, - locked); -} - - -int ieee80211_if_remove_norm(struct net_device *dev, char *name, int locked) -{ - return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_NORM, - locked); -} - - -int ieee80211_if_remove_sta(struct net_device *dev, char *name, int locked) -{ - return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_STA, - locked); -} - - -int ieee80211_if_flush(struct net_device *dev, int locked) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr, *n; - - list_for_each_safe(ptr, n, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - - if (sdata->dev != local->mdev && - sdata->dev != local->wdev && - sdata->dev != local->apdev) - ieee80211_if_del(local, sdata, locked); - } - - return 0; -} - - -static void ieee80211_precalc_rates(struct ieee80211_hw *hw) -{ - struct ieee80211_hw_modes *mode; - struct ieee80211_rate *rate; - int m, r; - - for (m = 0; m < hw->num_modes; m++) { - mode = &hw->modes[m]; - for (r = 0; r < mode->num_rates; r++) { - rate = &mode->rates[r]; - rate->rate_inv = CHAN_UTIL_RATE_LCM / rate->rate; - } - } -} - - -struct net_device *ieee80211_alloc_hw(size_t priv_data_len, - void (*setup)(struct net_device *)) -{ - struct net_device *dev, *apdev, *mdev; - struct ieee80211_local *local; - struct ieee80211_sub_if_data *sdata; - int alloc_size; - - /* Ensure 32-bit alignment of our private data and hw private data. - * Each net_device is followed by a sub_if_data which which is used - * for wds/vlan information; it is aligned as well. - * - * Sample memory map looks something like: - * - * 0000 ***************** - * * net_dev * - * 015c ***************** - * * sub_if * - * 017c ***************** - * * local * - * 0b84 ***************** - * * hw_priv * - * 1664 ***************** - * * ap net_dev * - * 17c0 ***************** - * * sub_if * - * ***************** - * * master net_dev* - * ***************** - * * sub_if * - * ***************** - */ - alloc_size = sizeof(struct net_device) + - sizeof(struct ieee80211_sub_if_data) + 3 + - sizeof(struct ieee80211_local) + 3 + - priv_data_len + 3 + - sizeof(struct net_device) + 3 + - sizeof(struct ieee80211_sub_if_data) + 3 + - sizeof(struct net_device) + 3 + - sizeof(struct ieee80211_sub_if_data) + 3 + - 4096; - mdev = (struct net_device *) kzalloc(alloc_size, GFP_KERNEL); - if (mdev == NULL) - return NULL; - - mdev->priv = (struct net_device *) - (((long) mdev + - sizeof(struct net_device) + - sizeof(struct ieee80211_sub_if_data) + 3) - & ~3); - local = mdev->priv; - local->hw_priv = (void *) - (((long) local + sizeof(struct ieee80211_local) + 3) & ~3); - apdev = (struct net_device *) - (((long) local->hw_priv + priv_data_len + 3) & ~3); - dev = (struct net_device *) - (((long) apdev + - sizeof(struct net_device) + - sizeof(struct ieee80211_sub_if_data) + 3) - & ~3); - dev->priv = local; - - ether_setup(dev); - memcpy(dev->name, "wlan%d", 7); - - dev->hard_start_xmit = ieee80211_subif_start_xmit; - dev->do_ioctl = ieee80211_ioctl; - dev->change_mtu = ieee80211_change_mtu; - dev->tx_timeout = ieee80211_tx_timeout; - dev->get_stats = ieee80211_get_stats; - dev->open = ieee80211_open; - dev->stop = ieee80211_stop; - dev->tx_queue_len = 0; - dev->set_mac_address = ieee80211_set_mac_address; - - local->wdev = dev; - local->mdev = mdev; - local->rx_handlers = ieee80211_rx_handlers; - local->tx_handlers = ieee80211_tx_handlers; - - local->bridge_packets = 1; - - local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; - local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; - local->short_retry_limit = 7; - local->long_retry_limit = 4; - local->conf.calib_int = 60; - local->rate_ctrl_num_up = RATE_CONTROL_NUM_UP; - local->rate_ctrl_num_down = RATE_CONTROL_NUM_DOWN; - local->conf.bss_count = 1; - memset(local->conf.bssid_mask, 0xff, ETH_ALEN); - local->bss_devs = kmalloc(sizeof(struct net_device *), GFP_KERNEL); - if (local->bss_devs == NULL) - goto fail; - local->bss_devs[0] = local->wdev; - local->bss_dev_count = 1; - local->sta_devs = kmalloc(sizeof(struct net_device *), GFP_KERNEL); - if (local->sta_devs == NULL) - goto fail; - local->sta_devs[0] = NULL; - - local->scan.in_scan = 0; - local->hw_modes = (unsigned int) -1; - - init_timer(&local->scan.timer); /* clear it out */ - - spin_lock_init(&local->generic_lock); - init_timer(&local->rate_limit_timer); - local->rate_limit_timer.function = ieee80211_rate_limit; - local->rate_limit_timer.data = (unsigned long) local; - init_timer(&local->stat_timer); - local->stat_timer.function = ieee80211_stat_refresh; - local->stat_timer.data = (unsigned long) local; - ieee80211_rx_bss_list_init(dev); - - sta_info_init(local); - - ieee80211_if_init(dev); - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sdata->dev = dev; - sdata->master = mdev; - sdata->local = local; - ieee80211_if_sdata_init(sdata); - ieee80211_if_norm_init(sdata); - list_add_tail(&sdata->list, &local->sub_if_list); - - if (strlen(dev->name) + 2 >= sizeof(dev->name)) - goto fail; - - apdev = (struct net_device *) - (((long) local->hw_priv + priv_data_len + 3) & ~3); - local->apdev = apdev; - ether_setup(apdev); - apdev->priv = local; - apdev->hard_start_xmit = ieee80211_mgmt_start_xmit; - apdev->change_mtu = ieee80211_change_mtu_apdev; - apdev->get_stats = ieee80211_get_stats; - apdev->open = ieee80211_open; - apdev->stop = ieee80211_stop; - apdev->type = ARPHRD_IEEE80211_PRISM; - apdev->hard_header_parse = header_parse_80211; - apdev->tx_queue_len = 0; - sprintf(apdev->name, "%sap", dev->name); - - sdata = IEEE80211_DEV_TO_SUB_IF(apdev); - sdata->type = IEEE80211_SUB_IF_TYPE_MGMT; - sdata->dev = apdev; - sdata->master = mdev; - sdata->local = local; - list_add_tail(&sdata->list, &local->sub_if_list); - - ether_setup(mdev); - mdev->hard_start_xmit = ieee80211_master_start_xmit; - mdev->do_ioctl = ieee80211_ioctl; - mdev->change_mtu = ieee80211_change_mtu; - mdev->tx_timeout = ieee80211_tx_timeout; - mdev->get_stats = ieee80211_get_stats; - mdev->open = ieee80211_open; - mdev->stop = ieee80211_stop; - mdev->type = ARPHRD_IEEE80211; - mdev->hard_header_parse = header_parse_80211; - sprintf(mdev->name, "%s.11", dev->name); - - sdata = IEEE80211_DEV_TO_SUB_IF(mdev); - sdata->type = IEEE80211_SUB_IF_TYPE_NORM; - sdata->dev = mdev; - sdata->master = mdev; - sdata->local = local; - list_add_tail(&sdata->list, &local->sub_if_list); - - tasklet_init(&local->tasklet, - ieee80211_tasklet_handler, - (unsigned long) local); - skb_queue_head_init(&local->skb_queue); - skb_queue_head_init(&local->skb_queue_unreliable); - - if (setup) - setup(mdev); - - return mdev; - - fail: - ieee80211_free_hw(mdev); - return NULL; -} - -int ieee80211_register_hw(struct net_device *dev, struct ieee80211_hw *hw) -{ - struct ieee80211_local *local = dev->priv; - int result; - - if (!hw) - return -1; - - if (hw->version != IEEE80211_VERSION) { - printk("ieee80211_register_hw - version mismatch: 80211.o " - "version %d, low-level driver version %d\n", - IEEE80211_VERSION, hw->version); - return -1; - } - - local->conf.mode = IW_MODE_MASTER; - local->conf.beacon_int = 1000; - - ieee80211_update_hw(dev, hw); /* Don't care about the result. */ - - sta_info_start(local); - - result = register_netdev(local->wdev); - if (result < 0) - return -1; - - result = register_netdev(local->apdev); - if (result < 0) - goto fail_2nd_dev; - - if (hw->fraglist) - dev->features |= NETIF_F_FRAGLIST; - result = register_netdev(dev); - if (result < 0) - goto fail_3rd_dev; - - if (rate_control_initialize(local) < 0) { - printk(KERN_DEBUG "%s: Failed to initialize rate control " - "algorithm\n", dev->name); - goto fail_rate; - } - - /* TODO: add rtnl locking around device creation and qdisc install */ - ieee80211_install_qdisc(dev); - - ieee80211_wep_init(local); - ieee80211_proc_init_interface(local); - return 0; - -fail_rate: - unregister_netdev(dev); -fail_3rd_dev: - unregister_netdev(local->apdev); -fail_2nd_dev: - unregister_netdev(local->wdev); - sta_info_stop(local); - return result; -} - -int ieee80211_update_hw(struct net_device *dev, struct ieee80211_hw *hw) -{ - struct ieee80211_local *local = dev->priv; - - local->hw = hw; - - /* Backwards compatibility for low-level drivers that do not set number - * of TX queues. */ - if (hw->queues == 0) - hw->queues = 1; - - memcpy(local->apdev->dev_addr, dev->dev_addr, ETH_ALEN); - local->apdev->base_addr = dev->base_addr; - local->apdev->irq = dev->irq; - local->apdev->mem_start = dev->mem_start; - local->apdev->mem_end = dev->mem_end; - - memcpy(local->wdev->dev_addr, dev->dev_addr, ETH_ALEN); - local->wdev->base_addr = dev->base_addr; - local->wdev->irq = dev->irq; - local->wdev->mem_start = dev->mem_start; - local->wdev->mem_end = dev->mem_end; - - if (!hw->modes || !hw->modes->channels || !hw->modes->rates || - !hw->modes->num_channels || !hw->modes->num_rates) - return -1; - - ieee80211_precalc_rates(hw); - local->conf.phymode = hw->modes[0].mode; - local->curr_rates = hw->modes[0].rates; - local->num_curr_rates = hw->modes[0].num_rates; - ieee80211_prepare_rates(dev); - - local->conf.freq = local->hw->modes[0].channels[0].freq; - local->conf.channel = local->hw->modes[0].channels[0].chan; - local->conf.channel_val = local->hw->modes[0].channels[0].val; - /* FIXME: Invoke config to allow driver to set the channel. */ - - return 0; -} - -void ieee80211_unregister_hw(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr, *n; - int i; - - tasklet_disable(&local->tasklet); - /* TODO: skb_queue should be empty here, no need to do anything? */ - - if (local->rate_limit) - del_timer_sync(&local->rate_limit_timer); - if (local->stat_time) - del_timer_sync(&local->stat_timer); - if (local->scan_timer.data) - del_timer_sync(&local->scan_timer); - ieee80211_rx_bss_list_deinit(dev); - - list_for_each_safe(ptr, n, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - ieee80211_if_del(local, sdata, 0); - } - - sta_info_stop(local); - - for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) - if (local->fragments[i].skb) - dev_kfree_skb(local->fragments[i].skb); - - for (i = 0; i < NUM_IEEE80211_MODES; i++) { - kfree(local->supp_rates[i]); - kfree(local->basic_rates[i]); - } - - kfree(local->conf.ssid); - kfree(local->conf.generic_elem); - - ieee80211_proc_deinit_interface(local); - - skb_queue_purge(&local->skb_queue); - skb_queue_purge(&local->skb_queue_unreliable); - - rate_control_free(local); -} - -void ieee80211_free_hw(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - - kfree(local->sta_devs); - kfree(local->bss_devs); - kfree(dev); -} - -/* Perform netif operations on all configured interfaces */ -int ieee80211_netif_oper(struct net_device *sdev, Netif_Oper op) -{ - struct ieee80211_local *local = sdev->priv; - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sdev); - struct net_device *dev = sdata->master; - - switch (op) { - case NETIF_ATTACH: - netif_device_attach(dev); - break; - case NETIF_DETACH: - netif_device_detach(dev); - break; - case NETIF_START: - netif_start_queue(dev); - break; - case NETIF_STOP: - break; - case NETIF_WAKE: - if (local->scan.in_scan == 0) { - netif_wake_queue(dev); -#if 1 - if (/* FIX: 802.11 qdisc in use */ 1) - __netif_schedule(dev); -#endif - } - break; - case NETIF_IS_STOPPED: - if (netif_queue_stopped(dev)) - return 1; - break; - case NETIF_UPDATE_TX_START: - dev->trans_start = jiffies; - break; - } - - return 0; -} - - -void * ieee80211_dev_hw_data(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - return local->hw_priv; -} - - -void * ieee80211_dev_stats(struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - return &(sdata->stats); -} - - -int ieee80211_rate_control_register(struct rate_control_ops *ops) -{ - struct rate_control_algs *alg; - - alg = kmalloc(sizeof(*alg), GFP_KERNEL); - if (alg == NULL) { - return -1; - } - memset(alg, 0, sizeof(*alg)); - alg->next = ieee80211_rate_ctrl_algs; - alg->ops = ops; - ieee80211_rate_ctrl_algs = alg; - - return 0; -} - - -void ieee80211_rate_control_unregister(struct rate_control_ops *ops) -{ - struct rate_control_algs *alg, *prev; - - prev = NULL; - alg = ieee80211_rate_ctrl_algs; - while (alg) { - if (alg->ops == ops) { - if (prev) - prev->next = alg->next; - else - ieee80211_rate_ctrl_algs = alg->next; - kfree(alg); - break; - } - prev = alg; - alg = alg->next; - } -} - - -static int rate_control_initialize(struct ieee80211_local *local) -{ - struct rate_control_algs *algs; - for (algs = ieee80211_rate_ctrl_algs; algs; algs = algs->next) { - local->rate_ctrl = algs->ops; - local->rate_ctrl_priv = rate_control_alloc(local); - if (local->rate_ctrl_priv) { - printk(KERN_DEBUG "%s: Selected rate control " - "algorithm '%s'\n", local->wdev->name, - local->rate_ctrl->name); - return 0; - } - } - - printk(KERN_WARNING "%s: Failed to select rate control algorithm\n", - local->wdev->name); - return -1; -} - - -static int __init ieee80211_init(void) -{ - struct sk_buff *skb; - if (sizeof(struct ieee80211_tx_packet_data) > (sizeof(skb->cb))) { - printk("80211: ieee80211_tx_packet_data is bigger " - "than the skb->cb (%d > %d)\n", - (int) sizeof(struct ieee80211_tx_packet_data), - (int) sizeof(skb->cb)); - return -EINVAL; - } - if (sizeof(struct ieee80211_rx_status) > sizeof(skb->cb)) { - printk("80211: ieee80211_rx_status is bigger " - "than the skb->cb (%d > %d)\n", - (int) sizeof(struct ieee80211_rx_status), - (int) sizeof(skb->cb)); - return -EINVAL; - } - - ieee80211_proc_init(); - { - int ret = ieee80211_wme_register(); - if (ret) { - printk(KERN_DEBUG "ieee80211_init: failed to " - "initialize WME (err=%d)\n", ret); - ieee80211_proc_deinit(); - return ret; - } - } - - return 0; -} - - -static void __exit ieee80211_exit(void) -{ - ieee80211_wme_unregister(); - ieee80211_proc_deinit(); -} - - -EXPORT_SYMBOL(ieee80211_alloc_hw); -EXPORT_SYMBOL(ieee80211_register_hw); -EXPORT_SYMBOL(ieee80211_update_hw); -EXPORT_SYMBOL(ieee80211_unregister_hw); -EXPORT_SYMBOL(ieee80211_free_hw); -EXPORT_SYMBOL(ieee80211_rx); -EXPORT_SYMBOL(ieee80211_tx_status); -EXPORT_SYMBOL(ieee80211_beacon_get); -EXPORT_SYMBOL(ieee80211_get_buffered_bc); -EXPORT_SYMBOL(ieee80211_netif_oper); -EXPORT_SYMBOL(ieee80211_dev_hw_data); -EXPORT_SYMBOL(ieee80211_dev_stats); -EXPORT_SYMBOL(ieee80211_get_hw_conf); -EXPORT_SYMBOL(ieee80211_set_aid_for_sta); -EXPORT_SYMBOL(ieee80211_rx_irqsafe); -EXPORT_SYMBOL(ieee80211_tx_status_irqsafe); -EXPORT_SYMBOL(ieee80211_get_hdrlen); -EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); -EXPORT_SYMBOL(ieee80211_rate_control_register); -EXPORT_SYMBOL(ieee80211_rate_control_unregister); -EXPORT_SYMBOL(sta_info_get); -EXPORT_SYMBOL(sta_info_release); -EXPORT_SYMBOL(ieee80211_radar_status); - -module_init(ieee80211_init); -module_exit(ieee80211_exit); diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_i.h b/target/linux/package/ieee80211-dscape/src/ieee80211_i.h deleted file mode 100644 index 7127f8d67b..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_i.h +++ /dev/null @@ -1,571 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_I_H -#define IEEE80211_I_H - -/* ieee80211.o internal definitions, etc. These are not included into - * low-level drivers. */ - -#ifndef ETH_P_PAE -#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ -#endif /* ETH_P_PAE */ - -#define IEEE80211_MAX_SSID_LEN 32 - -struct ieee80211_local; - -#include "ieee80211_key.h" -#include "sta_info.h" - -#define BIT(x) (1 << (x)) - -#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3) - - -/* Maximum number of broadcast/multicast frames to buffer when some of the - * associated stations are using power saving. */ -#define AP_MAX_BC_BUFFER 128 - -/* Maximum number of frames buffered to all STAs, including multicast frames. - * Note: increasing this limit increases the potential memory requirement. Each - * frame can be up to about 2 kB long. */ -#define TOTAL_MAX_TX_BUFFER 512 - - -#define MAC2STR(a) ((a)[0] & 0xff), ((a)[1] & 0xff), ((a)[2] & 0xff), \ - ((a)[3] & 0xff), ((a)[4] & 0xff), ((a)[5] & 0xff) -#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x" - -#define MULTICAST_ADDR(a) ((a)[0] & 0x01) - - -/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent - * reception of at least three fragmented frames. This limit can be increased - * by changing this define, at the cost of slower frame reassembly and - * increased memory use (about 2 kB of RAM per entry). */ -#define IEEE80211_FRAGMENT_MAX 4 - -struct ieee80211_fragment_entry { - unsigned long first_frag_time; - unsigned int seq; - unsigned int rx_queue; - unsigned int last_frag; - struct sk_buff *skb; - int ccmp; /* Whether fragments were encrypted with CCMP */ - u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ -}; - - -struct ieee80211_sta_bss { - struct list_head list; - struct ieee80211_sta_bss *hnext; - atomic_t users; - - u8 bssid[ETH_ALEN]; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - size_t ssid_len; - u16 capability; /* host byte order */ - int hw_mode; - int channel; - int freq; - int rssi; - u8 *wpa_ie; - size_t wpa_ie_len; - u8 *rsn_ie; - size_t rsn_ie_len; - u8 *wmm_ie; - size_t wmm_ie_len; -#define IEEE80211_MAX_SUPP_RATES 32 - u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; - size_t supp_rates_len; - int beacon_int; - u64 timestamp; - - int probe_resp; - unsigned long last_update; - -}; - - -typedef enum { - TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED -} ieee80211_txrx_result; - -struct ieee80211_txrx_data { - struct sk_buff *skb; - struct net_device *dev; - struct ieee80211_local *local; - struct ieee80211_sub_if_data *sdata; - struct sta_info *sta; - u16 fc, ethertype; - struct ieee80211_key *key; - unsigned int fragmented:1; /* whether the MSDU was fragmented */ - union { - struct { - struct ieee80211_tx_control *control; - int unicast:1; - int ps_buffered:1; - int short_preamble:1; - int probe_last_frag:1; - struct ieee80211_rate *rate; - /* use this rate (if set) for last fragment; rate can - * be set to lower rate for the first fragments, e.g., - * when using CTS protection with IEEE 802.11g. */ - struct ieee80211_rate *last_frag_rate; - int last_frag_rateidx; - int mgmt_interface; - - /* Extra fragments (in addition to the first fragment - * in skb) */ - int num_extra_frag; - struct sk_buff **extra_frag; - } tx; - struct { - struct ieee80211_rx_status *status; - int sent_ps_buffered; - int queue; - } rx; - } u; -#ifdef CONFIG_HOSTAPD_WPA_TESTING - int wpa_test; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ -}; - -struct ieee80211_passive_scan { - unsigned int in_scan:1; /* this must be cleared before calling - * netif_oper(WAKEUP) */ - unsigned int our_mode_only:1; /* only scan our physical mode a/b/g/etc - */ - int interval; /* time in seconds between scans */ - int time; /* time in microseconds to scan for */ - int channel; /* channel to be scanned */ - int tries; - - int mode_idx; - int chan_idx; - - int freq; - int rx_packets; - int rx_beacon; - int txrx_count; - - struct timer_list timer; - - struct sk_buff *skb; /* skb to transmit before changing channels, - * maybe null for none */ - struct ieee80211_tx_control tx_control; - - unsigned int num_scans; -}; - -typedef ieee80211_txrx_result (*ieee80211_tx_handler) -(struct ieee80211_txrx_data *tx); - -typedef ieee80211_txrx_result (*ieee80211_rx_handler) -(struct ieee80211_txrx_data *rx); - -struct ieee80211_if_norm { - u8 *beacon_head, *beacon_tail; - int beacon_head_len, beacon_tail_len; - - /* TODO: sta_aid could be replaced by 2008-bit large bitfield of - * that could be used in TIM element generation. This would also - * make TIM element generation a bit faster. */ - /* AID mapping to station data. NULL, if AID is free. AID is in the - * range 1..2007 and sta_aid[i] corresponds to AID i+1. */ - struct sta_info *sta_aid[MAX_AID_TABLE_SIZE]; - int max_aid; /* largest aid currently in use */ - atomic_t num_sta_ps; /* number of stations in PS mode */ - struct sk_buff_head ps_bc_buf; - int dtim_period, dtim_count; - int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ - int max_ratectrl_rateidx; /* max TX rateidx for rate control */ - int num_beacons; /* number of TXed beacon frames for this BSS */ -}; - -struct ieee80211_if_wds { - u8 remote_addr[ETH_ALEN]; - struct sta_info *sta; -}; - -struct ieee80211_if_vlan { - u8 id; -}; - -struct ieee80211_if_sta { - enum { - IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, - IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, - IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED - } state; - struct timer_list timer; - u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - size_t ssid_len; - u16 aid; - u16 ap_capab, capab; - u8 *extra_ie; /* to be added to the end of AssocReq */ - size_t extra_ie_len; - - /* The last AssocReq/Resp IEs */ - u8 *assocreq_ies, *assocresp_ies; - size_t assocreq_ies_len, assocresp_ies_len; - - int auth_tries, assoc_tries; - - int ssid_set:1; - int bssid_set:1; - int prev_bssid_set:1; - int authenticated:1; - int associated:1; - int probereq_poll:1; - int use_protection:1; - int create_ibss:1; - int mixed_cell:1; - int wmm_enabled:1; - - int key_mgmt; - unsigned long last_probe; - -#define IEEE80211_AUTH_ALG_OPEN BIT(0) -#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) -#define IEEE80211_AUTH_ALG_LEAP BIT(2) - unsigned int auth_algs; /* bitfield of allowed auth algs */ - int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ - int auth_transaction; - - unsigned long ibss_join_req; - struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ - u32 supp_rates_bits; - - int wmm_last_param_set; -}; - - -#define IEEE80211_SUB_IF_TYPE_NORM 0x00000000 -#define IEEE80211_SUB_IF_TYPE_MGMT 0x00000001 -#define IEEE80211_SUB_IF_TYPE_STA 0x00000002 -#define IEEE80211_SUB_IF_TYPE_WDS 0x5A580211 -#define IEEE80211_SUB_IF_TYPE_VLAN 0x00080211 - -struct ieee80211_sub_if_data { - struct list_head list; - unsigned int type; - - struct net_device *dev; - struct net_device *master; - struct ieee80211_local *local; - - struct net_device_stats stats; - int drop_unencrypted; - int eapol; /* 0 = process EAPOL frames as normal data frames, - * 1 = send EAPOL frames through wlan#ap to hostapd - * (default) */ - int ieee802_1x; /* IEEE 802.1X PAE - drop packet to/from unauthorized - * port */ - -#define NUM_DEFAULT_KEYS 4 - struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; - struct ieee80211_key *default_key; - - struct ieee80211_if_norm *bss; /* BSS that this device belongs to */ - - union { - struct ieee80211_if_norm norm; - struct ieee80211_if_wds wds; - struct ieee80211_if_vlan vlan; - struct ieee80211_if_sta sta; - } u; - int channel_use; - int channel_use_raw; -}; - -#define IEEE80211_DEV_TO_SUB_IF(dev) ((struct ieee80211_sub_if_data *) \ - (((long)dev + sizeof(struct net_device) + 3) & ~3)) - - -struct ieee80211_local { - struct ieee80211_hw *hw; - void *hw_priv; - struct net_device *mdev; /* wlan#.11 - "master" 802.11 device */ - struct net_device *wdev; /* wlan# - default Ethernet (data) devide */ - struct net_device *apdev; /* wlan#ap - management frames (hostapd) */ - int open_count; - struct ieee80211_conf conf; - - /* Tasklet and skb queue to process calls from IRQ mode. All frames - * added to skb_queue will be processed, but frames in - * skb_queue_unreliable may be dropped if the total length of these - * queues increases over the limit. */ -#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 - struct tasklet_struct tasklet; - struct sk_buff_head skb_queue; - struct sk_buff_head skb_queue_unreliable; - enum { - ieee80211_rx_msg = 1, - ieee80211_tx_status_msg = 2 - } ieee80211_msg_enum; - - spinlock_t generic_lock; - /* Station data structures */ - spinlock_t sta_lock; /* mutex for STA data structures */ - int num_sta; /* number of stations in sta_list */ - struct list_head sta_list; - struct sta_info *sta_hash[STA_HASH_SIZE]; - struct timer_list sta_cleanup; - - /* Current rate table. This is a pointer to hw->modes structure. */ - struct ieee80211_rate *curr_rates; - int num_curr_rates; - - void *rate_ctrl_priv; - struct rate_control_ops *rate_ctrl; - - int next_mode; /* MODE_IEEE80211* - * The mode preference for next channel change. This is - * used to select .11g vs. .11b channels (or 4.9 GHz vs. - * .11a) when the channel number is not unique. */ - - /* Supported and basic rate filters for different modes. These are - * pointers to -1 terminated lists and rates in 100 kbps units. */ - int *supp_rates[NUM_IEEE80211_MODES]; - int *basic_rates[NUM_IEEE80211_MODES]; - - int rts_threshold; - int cts_protect_erp_frames; - int fragmentation_threshold; - int short_retry_limit; /* dot11ShortRetryLimit */ - int long_retry_limit; /* dot11LongRetryLimit */ - int short_preamble; /* use short preamble with IEEE 802.11b */ - - u32 wep_iv; - int key_tx_rx_threshold; /* number of times any key can be used in TX - * or RX before generating a rekey - * notification; 0 = notification disabled. */ - - /* Fragment table for host-based reassembly */ - struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; - unsigned int fragment_next; - - int bridge_packets; /* bridge packets between associated stations and - * deliver multicast frames both back to wireless - * media and to the local net stack */ - - struct ieee80211_passive_scan scan; - - - ieee80211_rx_handler *rx_handlers; - ieee80211_tx_handler *tx_handlers; - - spinlock_t sub_if_lock; /* mutex for STA data structures */ - struct list_head sub_if_list; - struct net_device **bss_devs; /* pointer to IF_TYPE_NORM devices for - * quick access to BSS data */ - int bss_dev_count; /* number of used entries in bss_devs; note: the - * total size of bss_devs array is stored in - * conf.bss_count */ - struct net_device **sta_devs; /* pointer to IF_TYPE_STA devices */ - int sta_dev_count; /* number of used entries in sta_devs */ - int sta_scanning; - int scan_hw_mode_idx; - int scan_channel_idx; - enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; - unsigned long last_scan_completed; - struct timer_list scan_timer; - int scan_oper_channel; - int scan_oper_channel_val; - int scan_oper_power_level; - int scan_oper_freq; - int scan_oper_phymode; - int scan_oper_antenna_max; - u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; - size_t scan_ssid_len; - int scan_skip_11b; - struct list_head sta_bss_list; - struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; - spinlock_t sta_bss_lock; -#define IEEE80211_SCAN_MATCH_SSID BIT(0) -#define IEEE80211_SCAN_WPA_ONLY BIT(1) -#define IEEE80211_SCAN_EXTRA_INFO BIT(2) - int scan_flags; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - u32 wpa_trigger; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - /* SNMP counters */ - /* dot11CountersTable */ - u32 dot11TransmittedFragmentCount; - u32 dot11MulticastTransmittedFrameCount; - u32 dot11FailedCount; - u32 dot11RetryCount; - u32 dot11MultipleRetryCount; - u32 dot11FrameDuplicateCount; - u32 dot11ReceivedFragmentCount; - u32 dot11MulticastReceivedFrameCount; - u32 dot11TransmittedFrameCount; - u32 dot11WEPUndecryptableCount; - - int tx_led_counter; - - u32 channel_use; - u32 channel_use_raw; - u32 stat_time; - struct timer_list stat_timer; - - u8 bssid[ETH_ALEN]; /* BSSID for STA modes (Adhoc/Managed) */ - struct timer_list rate_limit_timer; - u32 rate_limit; - u32 rate_limit_burst; - u32 rate_limit_bucket; - struct proc_dir_entry *proc, *proc_sta, *proc_iface; - - struct work_struct sta_proc_add; - - enum { - STA_ANTENNA_SEL_AUTO = 0, - STA_ANTENNA_SEL_SW_CTRL = 1, - STA_ANTENNA_SEL_SW_CTRL_DEBUG = 2 - } sta_antenna_sel; - - int rate_ctrl_num_up, rate_ctrl_num_down; - -#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS - /* TX/RX handler statistics */ - unsigned int tx_handlers_drop; - unsigned int tx_handlers_queued; - unsigned int tx_handlers_drop_unencrypted; - unsigned int tx_handlers_drop_fragment; - unsigned int tx_handlers_drop_wep; - unsigned int tx_handlers_drop_rate_limit; - unsigned int tx_handlers_drop_not_assoc; - unsigned int tx_handlers_drop_unauth_port; - unsigned int rx_handlers_drop; - unsigned int rx_handlers_queued; - unsigned int rx_handlers_drop_nullfunc; - unsigned int rx_handlers_drop_defrag; - unsigned int rx_handlers_drop_short; - unsigned int rx_handlers_drop_passive_scan; - unsigned int tx_expand_skb_head; - unsigned int tx_expand_skb_head_cloned; - unsigned int rx_expand_skb_head; - unsigned int rx_expand_skb_head2; - unsigned int rx_handlers_fragments; - unsigned int tx_status_drop; - unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; - unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; -#define I802_DEBUG_INC(c) (c)++ -#else /* CONFIG_IEEE80211_DEBUG_COUNTERS */ -#define I802_DEBUG_INC(c) do { } while (0) -#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */ - - - int default_wep_only; /* only default WEP keys are used with this - * interface; this is used to decide when hwaccel - * can be used with default keys */ - int total_ps_buffered; /* total number of all buffered unicast and - * multicast packets for power saving stations - */ - int allow_broadcast_always; /* whether to allow TX of broadcast frames - * even when there are no associated STAs - */ - - int wifi_wme_noack_test; - unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ - - unsigned int hw_modes; /* bitfield of allowed hardware modes; - * (1 << MODE_*) */ -}; - - -/* ieee80211.c */ -int ieee80211_hw_config(struct net_device *dev); -struct ieee80211_key_conf * -ieee80211_key_data2conf(struct ieee80211_local *local, - struct ieee80211_key *data); -void ieee80211_rx_mgmt(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *status, u32 msg_type); -void ieee80211_prepare_rates(struct net_device *dev); -void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx); -int ieee80211_if_add_wds(struct net_device *dev, - char *name, - struct ieee80211_if_wds *wds, int locked); -int ieee80211_if_add_vlan(struct net_device *dev, char *name, - struct ieee80211_if_vlan *vlan, int locked); -int ieee80211_if_add_norm(struct net_device *dev, char *name, u8 *bssid, - int locked); - -int ieee80211_if_remove_wds(struct net_device *dev, char *name, int locked); -int ieee80211_if_remove_vlan(struct net_device *dev, char *name, int locked); -int ieee80211_if_remove_norm(struct net_device *dev, char *name, int locked); -int ieee80211_if_flush(struct net_device *dev, int locked); -int ieee80211_if_update_wds(struct net_device *dev, char *name, - struct ieee80211_if_wds *wds, int locked); - -/* ieee80211_ioctl.c */ -int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -/* Set hw encryption from ieee80211 */ -int ieee80211_set_hw_encryption(struct net_device *dev, - struct sta_info *sta, u8 addr[ETH_ALEN], - struct ieee80211_key *key); - -/* ieee80211_scan.c */ -void ieee80211_init_scan(struct net_device *dev); -void ieee80211_stop_scan(struct net_device *dev); - - - -/* Least common multiple of the used rates (in 100 kbps). This is used to - * calculate rate_inv values for each rate so that only integers are needed. */ -#define CHAN_UTIL_RATE_LCM 95040 -/* 1 usec is 1/8 * (95040/10) = 1188 */ -#define CHAN_UTIL_PER_USEC 1188 -/* Amount of bits to shift the result right to scale the total utilization - * to values that will not wrap around 32-bit integers. */ -#define CHAN_UTIL_SHIFT 9 -/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1): - * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the - * raw value with about 23 should give utilization in 10th of a percentage - * (1/1000). However, utilization is only estimated and not all intervals - * between frames etc. are calculated. 18 seems to give numbers that are closer - * to the real maximum. */ -#define CHAN_UTIL_PER_10MS 18 -#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC) -#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC) - - - -/* ieee80211.c */ -int ieee80211_if_add_sta(struct net_device *dev, char *name, int locked); -int ieee80211_if_remove_sta(struct net_device *dev, char *name, int locked); -/* ieee80211_ioctl.c */ -int ieee80211_set_compression(struct ieee80211_local *local, - struct net_device *dev, struct sta_info *sta); -/* ieee80211_sta.c */ -void ieee80211_sta_timer(unsigned long ptr); -void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *rx_status); -int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); -int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); -int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); -int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); -int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); -void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *rx_status); -void ieee80211_rx_bss_list_init(struct net_device *dev); -void ieee80211_rx_bss_list_deinit(struct net_device *dev); -int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); -struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, - struct sk_buff *skb, u8 *bssid, - u8 *addr); -int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); -int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); - - -#endif /* IEEE80211_I_H */ diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_ioctl.c b/target/linux/package/ieee80211-dscape/src/ieee80211_ioctl.c deleted file mode 100644 index a44b02e8ee..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_ioctl.c +++ /dev/null @@ -1,2832 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/wireless.h> -#include <net/iw_handler.h> -#include <asm/uaccess.h> - -#include <net/ieee80211.h> -#include <net/ieee80211_mgmt.h> -#include "ieee80211_i.h" -#include "hostapd_ioctl.h" -#include "rate_control.h" -#include "wpa.h" -#include "aes_ccm.h" - - -static int ieee80211_regdom = 0x10; /* FCC */ -MODULE_PARM(ieee80211_regdom, "i"); -MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK"); - -/* - * If firmware is upgraded by the vendor, additional channels can be used based - * on the new Japanese regulatory rules. This is indicated by setting - * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel - * module. - */ -static int ieee80211_japan_5ghz /* = 0 */; -MODULE_PARM(ieee80211_japan_5ghz, "i"); -MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz"); - - -static int ieee80211_ioctl_set_beacon(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len, - int flag) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_norm *norm; - u8 **b_head, **b_tail; - int *b_head_len, *b_tail_len; - int len; - - len = ((char *) param->u.beacon.data - (char *) param) + - param->u.beacon.head_len + param->u.beacon.tail_len; - - if (param_len > len) - param_len = len; - else if (param_len != len) - return -EINVAL; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM) - return -EINVAL; - norm = &sdata->u.norm; - - switch (flag) { - case 0: - b_head = &norm->beacon_head; - b_tail = &norm->beacon_tail; - b_head_len = &norm->beacon_head_len; - b_tail_len = &norm->beacon_tail_len; - break; - default: - printk(KERN_DEBUG "%s: unknown beacon flag %d\n", - dev->name, flag); - return -EINVAL; - } - - kfree(*b_head); - kfree(*b_tail); - *b_head = NULL; - *b_tail = NULL; - - *b_head_len = param->u.beacon.head_len; - *b_tail_len = param->u.beacon.tail_len; - - *b_head = kmalloc(*b_head_len, GFP_KERNEL); - if (*b_head) - memcpy(*b_head, param->u.beacon.data, *b_head_len); - else { - printk(KERN_DEBUG "%s: failed to allocate beacon_head\n", - dev->name); - return -ENOMEM; - } - - if (*b_tail_len > 0) { - *b_tail = kmalloc(*b_tail_len, GFP_KERNEL); - if (*b_tail) - memcpy(*b_tail, param->u.beacon.data + (*b_head_len), - (*b_tail_len)); - else { - printk(KERN_DEBUG "%s: failed to allocate " - "beacon_tail\n", dev->name); - return -ENOMEM; - } - } - - return 0; -} - - -static int ieee80211_ioctl_get_hw_features(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - struct ieee80211_local *local = dev->priv; - u8 *pos = param->u.hw_features.data; - int left = param_len - (pos - (u8 *) param); - int mode, i; - struct hostapd_ioctl_hw_modes_hdr *hdr; - struct ieee80211_rate_data *rate; - struct ieee80211_channel_data *chan; - - param->u.hw_features.flags = 0; - if (local->hw->data_nullfunc_ack) - param->u.hw_features.flags |= HOSTAP_HW_FLAG_NULLFUNC_OK; - - param->u.hw_features.num_modes = local->hw->num_modes; - for (mode = 0; mode < local->hw->num_modes; mode++) { - int clen, rlen; - struct ieee80211_hw_modes *m = &local->hw->modes[mode]; - clen = m->num_channels * sizeof(struct ieee80211_channel_data); - rlen = m->num_rates * sizeof(struct ieee80211_rate_data); - if (left < sizeof(*hdr) + clen + rlen) - return -E2BIG; - left -= sizeof(*hdr) + clen + rlen; - - hdr = (struct hostapd_ioctl_hw_modes_hdr *) pos; - hdr->mode = m->mode; - hdr->num_channels = m->num_channels; - hdr->num_rates = m->num_rates; - - pos = (u8 *) (hdr + 1); - chan = (struct ieee80211_channel_data *) pos; - for (i = 0; i < m->num_channels; i++) { - chan[i].chan = m->channels[i].chan; - chan[i].freq = m->channels[i].freq; - chan[i].flag = m->channels[i].flag; - } - pos += clen; - - rate = (struct ieee80211_rate_data *) pos; - for (i = 0; i < m->num_rates; i++) { - rate[i].rate = m->rates[i].rate; - rate[i].flags = m->rates[i].flags; - } - pos += rlen; - } - - return 0; -} - - -static int ieee80211_ioctl_scan(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - - if (local->hw->passive_scan == NULL) - return -EOPNOTSUPP; - - if ((param->u.scan.now == 1) && (local->scan.in_scan == 1)) - return -EBUSY; - - if (param->u.scan.our_mode_only >= 0) - local->scan.our_mode_only = param->u.scan.our_mode_only; - if (param->u.scan.interval >= 0) - local->scan.interval = param->u.scan.interval; - if (param->u.scan.listen >= 0) - local->scan.time = param->u.scan.listen; - if (param->u.scan.channel > 0) - local->scan.channel = param->u.scan.channel; - if (param->u.scan.now == 1) { - local->scan.in_scan = 0; - mod_timer(&local->scan.timer, jiffies); - } - - param->u.scan.our_mode_only = local->scan.our_mode_only; - param->u.scan.interval = local->scan.interval; - param->u.scan.listen = local->scan.time; - if (local->scan.in_scan == 1) - param->u.scan.last_rx = -1; - else { - param->u.scan.last_rx = local->scan.rx_packets; - local->scan.rx_packets = -1; - } - param->u.scan.channel = local->hw->modes[local->scan.mode_idx]. - channels[local->scan.chan_idx].chan; - - return 0; -} - - -static int ieee80211_ioctl_flush(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - sta_info_flush(local, NULL); - return 0; -} - - - - -static int ieee80211_ioctl_add_sta(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - u32 rates; - int i, j; - struct ieee80211_sub_if_data *sdata; - int add_key_entry = 1; - - sta = sta_info_get(local, param->sta_addr); - - if (sta == NULL) { - sta = sta_info_add(local, dev, param->sta_addr); - if (sta == NULL) - return -ENOMEM; - } - - if (sta->dev != dev) { - /* Binding STA to a new interface, so remove all references to - * the old BSS. */ - sta_info_remove_aid_ptr(sta); - } - - /* TODO - * We "steal" the device in case someone owns it - * This will hurt WDS links and such when we have a - * WDS link and a client associating from the same station - */ - sta->dev = dev; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - - sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; - sta->aid = param->u.add_sta.aid; - if (sta->aid > MAX_AID_TABLE_SIZE) - sta->aid = 0; - if (sta->aid > 0 && sdata->bss) - sdata->bss->sta_aid[sta->aid - 1] = sta; - if (sdata->bss && sta->aid > sdata->bss->max_aid) - sdata->bss->max_aid = sta->aid; - - rates = 0; - for (i = 0; i < sizeof(param->u.add_sta.supp_rates); i++) { - int rate = (param->u.add_sta.supp_rates[i] & 0x7f) * 5; - if (local->conf.phymode == MODE_ATHEROS_TURBO || - local->conf.phymode == MODE_ATHEROS_TURBOG) - rate *= 2; - for (j = 0; j < local->num_curr_rates; j++) { - if (local->curr_rates[j].rate == rate) - rates |= BIT(j); - } - - } - sta->supp_rates = rates; - - rate_control_rate_init(local, sta); - - - - if (param->u.add_sta.wds_flags & 0x01) - sta->flags |= WLAN_STA_WDS; - else - sta->flags &= ~WLAN_STA_WDS; - - if (add_key_entry && sta->key == NULL && sdata->default_key == NULL && - local->hw->set_key) { - struct ieee80211_key_conf conf; - /* Add key cache entry with NULL key type because this may used - * for TX filtering. */ - memset(&conf, 0, sizeof(conf)); - conf.hw_key_idx = HW_KEY_IDX_INVALID; - conf.alg = ALG_NULL; - conf.force_sw_encrypt = 1; - if (local->hw->set_key(dev, SET_KEY, sta->addr, &conf, - sta->aid)) { - sta->key_idx_compression = HW_KEY_IDX_INVALID; - } else { - sta->key_idx_compression = conf.hw_key_idx; - } - } - - sta_info_release(local, sta); - - return 0; -} - - -static int ieee80211_ioctl_remove_sta(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - - sta = sta_info_get(local, param->sta_addr); - if (sta) { - sta_info_release(local, sta); - sta_info_free(local, sta, 1); - } - - return sta ? 0 : -ENOENT; -} - - -static int ieee80211_ioctl_get_dot11counterstable(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_low_level_stats stats; - - memset(&stats, 0, sizeof(stats)); - if (local->hw->get_stats) - local->hw->get_stats(dev, &stats); - param->u.dot11CountersTable.dot11TransmittedFragmentCount = - local->dot11TransmittedFragmentCount; - param->u.dot11CountersTable.dot11MulticastTransmittedFrameCount = - local->dot11MulticastTransmittedFrameCount; - param->u.dot11CountersTable.dot11ReceivedFragmentCount = - local->dot11ReceivedFragmentCount; - param->u.dot11CountersTable.dot11MulticastReceivedFrameCount = - local->dot11MulticastReceivedFrameCount; - param->u.dot11CountersTable.dot11TransmittedFrameCount = - local->dot11TransmittedFrameCount; - param->u.dot11CountersTable.dot11FCSErrorCount = - stats.dot11FCSErrorCount; - param->u.dot11CountersTable.dot11ACKFailureCount = - stats.dot11ACKFailureCount; - param->u.dot11CountersTable.dot11RTSFailureCount = - stats.dot11RTSFailureCount; - param->u.dot11CountersTable.dot11RTSSuccessCount = - stats.dot11RTSSuccessCount; - - return 0; -} - -static int ieee80211_ioctl_get_info_sta(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { - struct ieee80211_sub_if_data *sdata; - struct net_device_stats *stats; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - stats = ieee80211_dev_stats(sdata->master); - param->u.get_info_sta.rx_bytes = stats->rx_bytes; - param->u.get_info_sta.tx_bytes = stats->tx_bytes; - /* go through all STAs and get STA with lowest max. rate */ - param->u.get_info_sta.current_tx_rate = - local->curr_rates[sta_info_min_txrate_get(local)].rate; - return 0; - } - - sta = sta_info_get(local, param->sta_addr); - - if (!sta) - return -ENOENT; - - param->u.get_info_sta.inactive_msec = - jiffies_to_msecs(jiffies - sta->last_rx); - param->u.get_info_sta.rx_packets = sta->rx_packets; - param->u.get_info_sta.tx_packets = sta->tx_packets; - param->u.get_info_sta.rx_bytes = sta->rx_bytes; - param->u.get_info_sta.tx_bytes = sta->tx_bytes; - param->u.get_info_sta.channel_use = sta->channel_use; - param->u.get_info_sta.flags = sta->flags; - if (sta->txrate >= 0 && sta->txrate < local->num_curr_rates) - param->u.get_info_sta.current_tx_rate = - local->curr_rates[sta->txrate].rate; - param->u.get_info_sta.num_ps_buf_frames = - skb_queue_len(&sta->ps_tx_buf); - param->u.get_info_sta.tx_retry_failed = sta->tx_retry_failed; - param->u.get_info_sta.tx_retry_count = sta->tx_retry_count; - param->u.get_info_sta.last_rssi = sta->last_rssi; - param->u.get_info_sta.last_ack_rssi = sta->last_ack_rssi[2]; - - sta_info_release(local, sta); - - return 0; -} - - -static int ieee80211_ioctl_set_flags_sta(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - - sta = sta_info_get(local, param->sta_addr); - if (sta) { - sta->flags |= param->u.set_flags_sta.flags_or; - sta->flags &= param->u.set_flags_sta.flags_and; - if (local->hw->set_port_auth && - (param->u.set_flags_sta.flags_or & WLAN_STA_AUTHORIZED) && - local->hw->set_port_auth(local->mdev, sta->addr, 1)) - printk(KERN_DEBUG "%s: failed to set low-level driver " - "PAE state (authorized) for " MACSTR "\n", - dev->name, MAC2STR(sta->addr)); - if (local->hw->set_port_auth && - !(param->u.set_flags_sta.flags_and & WLAN_STA_AUTHORIZED) - && local->hw->set_port_auth(local->mdev, sta->addr, 0)) - printk(KERN_DEBUG "%s: failed to set low-level driver " - "PAE state (unauthorized) for " MACSTR "\n", - dev->name, MAC2STR(sta->addr)); - sta_info_release(local, sta); - } - - return sta ? 0 : -ENOENT; -} - - -int ieee80211_set_hw_encryption(struct net_device *dev, - struct sta_info *sta, u8 addr[ETH_ALEN], - struct ieee80211_key *key) -{ - struct ieee80211_key_conf *keyconf = NULL; - struct ieee80211_local *local = dev->priv; - int rc = 0; - - /* default to sw encryption; this will be cleared by low-level - * driver if the hw supports requested encryption */ - if (key) - key->force_sw_encrypt = 1; - - if (key && local->hw->set_key && - (!local->conf.sw_encrypt || !local->conf.sw_decrypt) && - (keyconf = ieee80211_key_data2conf(local, key)) != NULL) { - if (local->hw->set_key(dev, SET_KEY, addr, - keyconf, sta ? sta->aid : 0)) { - rc = HOSTAP_CRYPT_ERR_KEY_SET_FAILED; - key->force_sw_encrypt = 1; - key->hw_key_idx = HW_KEY_IDX_INVALID; - } else { - key->force_sw_encrypt = - keyconf->force_sw_encrypt; - key->hw_key_idx = - keyconf->hw_key_idx; - - } - } - kfree(keyconf); - - return rc; -} - - -static int ieee80211_ioctl_set_encryption(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - struct ieee80211_local *local = dev->priv; - int alg, ret = 0; - struct sta_info *sta; - struct ieee80211_key **key; - int set_tx_key = 0, try_hwaccel = 1; - struct ieee80211_key_conf *keyconf; - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - param->u.crypt.err = 0; - param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0'; - - if (param_len < - (int) ((char *) param->u.crypt.key - (char *) param) + - param->u.crypt.key_len) { - printk(KERN_DEBUG "%s: set_encrypt - invalid param_lem\n", - dev->name); - return -EINVAL; - } - - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { - sta = NULL; - if (param->u.crypt.idx >= NUM_DEFAULT_KEYS) { - printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n", - dev->name, param->u.crypt.idx); - return -EINVAL; - } - key = &sdata->keys[param->u.crypt.idx]; - if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) - set_tx_key = 1; - - /* Disable hwaccel for default keys when the interface is not - * the default one. - * TODO: consider adding hwaccel support for these; at least - * Atheros key cache should be able to handle this since AP is - * only transmitting frames with default keys. */ - /* FIX: hw key cache can be used when only one virtual - * STA is associated with each AP. If more than one STA - * is associated to the same AP, software encryption - * must be used. This should be done automatically - * based on configured station devices. For the time - * being, this can be only set at compile time. */ - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - if (0 /* FIX: more than one STA per AP */) - try_hwaccel = 0; - } else - if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM || - dev != local->wdev) - try_hwaccel = 0; - } else { - if (param->u.crypt.idx != 0) { - printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for " - "individual key\n", dev->name); - return -EINVAL; - } - - sta = sta_info_get(local, param->sta_addr); - if (sta == NULL) { - param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR; -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: set_encrypt - unknown addr " - MACSTR "\n", - dev->name, MAC2STR(param->sta_addr)); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - - return -ENOENT; - } - - key = &sta->key; - } - - if (strcmp(param->u.crypt.alg, "none") == 0) { - alg = ALG_NONE; - } else if (strcmp(param->u.crypt.alg, "WEP") == 0) { - alg = ALG_WEP; - } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) { - if (param->u.crypt.key_len != ALG_TKIP_KEY_LEN) { - printk(KERN_DEBUG "%s: set_encrypt - invalid TKIP key " - "length %d\n", dev->name, - param->u.crypt.key_len); - ret = -EINVAL; - goto done; - } - alg = ALG_TKIP; - } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) { - if (param->u.crypt.key_len != ALG_CCMP_KEY_LEN) { - printk(KERN_DEBUG "%s: set_encrypt - invalid CCMP key " - "length %d\n", dev->name, - param->u.crypt.key_len); - ret = -EINVAL; - goto done; - } - alg = ALG_CCMP; - } else { - param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG; - printk(KERN_DEBUG "%s: set_encrypt - unknown alg\n", - dev->name); - ret = -EINVAL; - goto done; - } - - /* FIX: - * Cannot configure default hwaccel keys with WEP algorithm, if - * any of the virtual interfaces is using static WEP - * configuration because hwaccel would otherwise try to decrypt - * these frames. - * - * For now, just disable WEP hwaccel for broadcast when there is - * possibility of conflict with default keys. This can maybe later be - * optimized by using non-default keys (at least with Atheros ar521x). - */ - if (!sta && alg == ALG_WEP && !local->default_wep_only && - local->conf.mode != IW_MODE_ADHOC && - local->conf.mode != IW_MODE_INFRA) { - try_hwaccel = 0; - } - - if (local->hw->device_hides_wep) { - /* Software encryption cannot be used with devices that hide - * encryption from the host system, so always try to use - * hardware acceleration with such devices. */ - try_hwaccel = 1; - } - - if (local->hw->no_tkip_wmm_hwaccel && alg == ALG_TKIP) { - if (sta && (sta->flags & WLAN_STA_WME)) { - /* Hardware does not support hwaccel with TKIP when using WMM. - */ - try_hwaccel = 0; - } - else if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - sta = sta_info_get(local, sdata->u.sta.bssid); - if (sta) { - if (sta->flags & WLAN_STA_WME) { - try_hwaccel = 0; - } - sta_info_release(local, sta); - sta = NULL; - } - } - } - - - if (alg == ALG_NONE) { - keyconf = NULL; - if (try_hwaccel && *key && local->hw->set_key && - (keyconf = ieee80211_key_data2conf(local, *key)) != NULL && - local->hw->set_key(dev, DISABLE_KEY, param->sta_addr, - keyconf, sta ? sta->aid : 0)) { - param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED; - printk(KERN_DEBUG "%s: set_encrypt - low-level disable" - " failed\n", dev->name); - ret = -EINVAL; - } - kfree(keyconf); - - if (sdata->default_key == *key) - sdata->default_key = NULL; - kfree(*key); - *key = NULL; - } else { - if (*key == NULL || (*key)->keylen < param->u.crypt.key_len) { - kfree(*key); - *key = kmalloc(sizeof(struct ieee80211_key) + - param->u.crypt.key_len, GFP_ATOMIC); - if (*key == NULL) { - ret = -ENOMEM; - goto done; - } - } - memset(*key, 0, sizeof(struct ieee80211_key) + - param->u.crypt.key_len); - /* default to sw encryption; low-level driver sets these if the - * requested encryption is supported */ - (*key)->hw_key_idx = HW_KEY_IDX_INVALID; - (*key)->force_sw_encrypt = 1; - - (*key)->alg = alg; - (*key)->keyidx = param->u.crypt.idx; - (*key)->keylen = param->u.crypt.key_len; - memcpy((*key)->key, param->u.crypt.key, - param->u.crypt.key_len); - if (set_tx_key) - (*key)->default_tx_key = 1; - - if (alg == ALG_CCMP) { - /* Initialize AES key state here as an optimization - * so that it does not need to be initialized for every - * packet. */ - ieee80211_aes_key_setup_encrypt( - (*key)->u.ccmp.aes_state, (*key)->key); - } - - if (try_hwaccel && - (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP)) - param->u.crypt.err = ieee80211_set_hw_encryption( - dev, sta, param->sta_addr, *key); - } - - if (set_tx_key || (sta == NULL && sdata->default_key == NULL)) { - sdata->default_key = *key; - if (local->hw->set_key_idx && - local->hw->set_key_idx(dev, param->u.crypt.idx)) - printk(KERN_DEBUG "%s: failed to set TX key idx for " - "low-level driver\n", dev->name); - } - - done: - if (sta) - sta_info_release(local, sta); - - return ret; -} - -static int ieee80211_ioctl_get_encryption(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - struct ieee80211_local *local = dev->priv; - int ret = 0; - struct sta_info *sta; - struct ieee80211_key **key; - int max_key_len; - struct ieee80211_sub_if_data *sdata; - u8 *pos; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - param->u.crypt.err = 0; - - max_key_len = param_len - - (int) ((char *) param->u.crypt.key - (char *) param); - if (max_key_len < 0) - return -EINVAL; - - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { - sta = NULL; - if (param->u.crypt.idx > NUM_DEFAULT_KEYS) { - param->u.crypt.idx = sdata->default_key ? - sdata->default_key->keyidx : 0; - return 0; - } else - key = &sdata->keys[param->u.crypt.idx]; - } else { - sta = sta_info_get(local, param->sta_addr); - if (sta == NULL) { - param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR; - return -EINVAL; - } - - key = &sta->key; - } - - - memset(param->u.crypt.seq_counter, 0, HOSTAP_SEQ_COUNTER_SIZE); - if (*key == NULL) { - memcpy(param->u.crypt.alg, "none", 5); - param->u.crypt.key_len = 0; - param->u.crypt.idx = 0xff; - } else { - switch ((*key)->alg) { - case ALG_WEP: - memcpy(param->u.crypt.alg, "WEP", 4); - break; - case ALG_TKIP: - { - u32 iv32; - u16 iv16; - - memcpy(param->u.crypt.alg, "TKIP", 5); - if (local->hw->get_sequence_counter) { - /* Get transmit counter from low level driver */ - if (local->hw->get_sequence_counter(dev, - param->sta_addr, - (*key)->keyidx, - IEEE80211_SEQ_COUNTER_TX, - &iv32, - &iv16)) { - /* Error getting value from device */ - return -EIO; - } - } else { - /* Get it from our own local data */ - iv32 = (*key)->u.tkip.iv32; - iv16 = (*key)->u.tkip.iv16; - } - pos = param->u.crypt.seq_counter; - *pos++ = iv16 & 0xff; - *pos++ = (iv16 >> 8) & 0xff; - *pos++ = iv32 & 0xff; - *pos++ = (iv32 >> 8) & 0xff; - *pos++ = (iv32 >> 16) & 0xff; - *pos++ = (iv32 >> 24) & 0xff; - break; - } - case ALG_CCMP: - { - u8 *pn; - memcpy(param->u.crypt.alg, "CCMP", 5); - pos = param->u.crypt.seq_counter; - pn = (*key)->u.ccmp.tx_pn; - *pos++ = pn[5]; - *pos++ = pn[4]; - *pos++ = pn[3]; - *pos++ = pn[2]; - *pos++ = pn[1]; - *pos++ = pn[0]; - break; - } - default: - memcpy(param->u.crypt.alg, "unknown", 8); - break; - } - - if (max_key_len < (*key)->keylen) - ret = -E2BIG; - else { - param->u.crypt.key_len = (*key)->keylen; - memcpy(param->u.crypt.key, (*key)->key, - (*key)->keylen); - } - } - - if (sta) - sta_info_release(local, sta); - - return ret; -} - - -#ifdef CONFIG_HOSTAPD_WPA_TESTING -static int ieee80211_ioctl_wpa_trigger(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { - local->wpa_trigger = param->u.wpa_trigger.trigger; - return 0; - } - - sta = sta_info_get(local, param->sta_addr); - if (sta == NULL) { - printk(KERN_DEBUG "%s: wpa_trigger - unknown addr\n", - dev->name); - return -EINVAL; - } - - sta->wpa_trigger = param->u.wpa_trigger.trigger; - - sta_info_release(local, sta); - return 0; -} -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - -static int ieee80211_ioctl_set_rate_sets(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - struct ieee80211_local *local = dev->priv; - u16 *pos = (u16 *) param->u.set_rate_sets.data; - int left = param_len - ((u8 *) pos - (u8 *) param); - int i, mode, num_supp, num_basic, *supp, *basic, *prev; - - mode = param->u.set_rate_sets.mode; - num_supp = param->u.set_rate_sets.num_supported_rates; - num_basic = param->u.set_rate_sets.num_basic_rates; - - if (left < (num_supp + num_basic) * 2) { - printk(KERN_WARNING "%s: invalid length in hostapd set rate " - "sets ioctl (%d != %d)\n", dev->name, left, - (num_supp + num_basic) * 2); - return -EINVAL; - } - - supp = (int *) kmalloc((num_supp + 1) * sizeof(int), GFP_KERNEL); - basic = (int *) kmalloc((num_basic + 1) * sizeof(int), GFP_KERNEL); - - if (!supp || !basic) { - kfree(supp); - kfree(basic); - return -ENOMEM; - } - - for (i = 0; i < num_supp; i++) - supp[i] = *pos++; - supp[i] = -1; - - for (i = 0; i < num_basic; i++) - basic[i] = *pos++; - basic[i] = -1; - - if (num_supp == 0) { - kfree(supp); - supp = NULL; - } - - if (num_basic == 0) { - kfree(basic); - basic = NULL; - } - - prev = local->supp_rates[mode]; - local->supp_rates[mode] = supp; - kfree(prev); - - prev = local->basic_rates[mode]; - local->basic_rates[mode] = basic; - kfree(prev); - - if (mode == local->conf.phymode) { - /* TODO: should update STA TX rates and remove STAs if they - * do not have any remaining supported rates after the change - */ - ieee80211_prepare_rates(dev); - } - - return 0; -} - - -static int ieee80211_ioctl_add_if(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - u8 *pos = param->u.if_info.data; - int left = param_len - ((u8 *) pos - (u8 *) param); - - if (param->u.if_info.type == HOSTAP_IF_WDS) { - struct ieee80211_if_wds iwds; - struct hostapd_if_wds *wds = - (struct hostapd_if_wds *) param->u.if_info.data; - - if (left < sizeof(struct ieee80211_if_wds)) - return -EPROTO; - - memcpy(iwds.remote_addr, wds->remote_addr, ETH_ALEN); - - return ieee80211_if_add_wds(dev, param->u.if_info.name, - &iwds, 1); - } else if (param->u.if_info.type == HOSTAP_IF_VLAN) { - struct hostapd_if_vlan *vlan = (struct hostapd_if_vlan *) pos; - struct ieee80211_if_vlan ivlan; - - if (left < sizeof(struct hostapd_if_vlan)) - return -EPROTO; - - ivlan.id = vlan->id; - - return ieee80211_if_add_vlan(dev, param->u.if_info.name, - &ivlan, 1); - } else if (param->u.if_info.type == HOSTAP_IF_BSS) { - struct hostapd_if_bss *bss = - (struct hostapd_if_bss *) param->u.if_info.data; - - if (left < sizeof(struct hostapd_if_bss)) - return -EPROTO; - - return ieee80211_if_add_norm(dev, param->u.if_info.name, - bss->bssid, 1); - } else if (param->u.if_info.type == HOSTAP_IF_STA) { -#if 0 - struct hostapd_if_sta *sta = - (struct hostapd_if_sta *) param->u.if_info.data; -#endif - - if (left < sizeof(struct hostapd_if_sta)) - return -EPROTO; - - return ieee80211_if_add_sta(dev, param->u.if_info.name, 1); - } else - return -EINVAL; - - return 0; -} - - -static int ieee80211_ioctl_remove_if(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - if (param->u.if_info.type == HOSTAP_IF_WDS) { - return ieee80211_if_remove_wds(dev, param->u.if_info.name, 1); - } else if (param->u.if_info.type == HOSTAP_IF_VLAN) { - return ieee80211_if_remove_vlan(dev, param->u.if_info.name, 1); - } else if (param->u.if_info.type == HOSTAP_IF_BSS) { - return ieee80211_if_remove_norm(dev, param->u.if_info.name, 1); - } else if (param->u.if_info.type == HOSTAP_IF_STA) { - return ieee80211_if_remove_sta(dev, param->u.if_info.name, 1); - } else { - return -EINVAL; - } -} - - -static int ieee80211_ioctl_update_if(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - u8 *pos = param->u.if_info.data; - int left = param_len - ((u8 *) pos - (u8 *) param); - - if (param->u.if_info.type == HOSTAP_IF_WDS) { - struct ieee80211_if_wds iwds; - struct hostapd_if_wds *wds = - (struct hostapd_if_wds *) param->u.if_info.data; - - if (left < sizeof(struct ieee80211_if_wds)) - return -EPROTO; - - memcpy(iwds.remote_addr, wds->remote_addr, ETH_ALEN); - - return ieee80211_if_update_wds(dev, param->u.if_info.name, - &iwds, 1); - } else { - return -EOPNOTSUPP; - } -} - - -static int ieee80211_ioctl_flush_ifs(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - return ieee80211_if_flush(dev, 1); -} - - -static int ieee80211_ioctl_scan_req(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - u8 *pos = param->u.scan_req.ssid; - int left = param_len - ((u8 *) pos - (u8 *) param); - int len = param->u.scan_req.ssid_len; - - if (left < len || len > IEEE80211_MAX_SSID_LEN) - return -EINVAL; - - return ieee80211_sta_req_scan(dev, pos, len); -} - - -static int ieee80211_ioctl_sta_get_state(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - return -EINVAL; - param->u.sta_get_state.state = sdata->u.sta.state; - return 0; -} - - -static int ieee80211_ioctl_mlme(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - return -EINVAL; - switch (param->u.mlme.cmd) { - case MLME_STA_DEAUTH: - ieee80211_sta_deauthenticate(dev, param->u.mlme.reason_code); - break; - case MLME_STA_DISASSOC: - ieee80211_sta_disassociate(dev, param->u.mlme.reason_code); - break; - } - return 0; -} - - -static int ieee80211_ioctl_get_load_stats(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - - param->u.get_load_stats.channel_use = local->channel_use; -/* if (param->u.get_load_stats.flags & LOAD_STATS_CLEAR) - local->channel_use = 0; */ /* now it's not raw counter */ - - return 0; -} - - -static int ieee80211_ioctl_set_sta_vlan(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - - sta = sta_info_get(local, param->sta_addr); - if (sta) { - struct net_device *new_vlan_dev; - new_vlan_dev = - dev_get_by_name(param->u.set_sta_vlan.vlan_name); - if (new_vlan_dev) { -#if 0 - printk("%s: Station " MACSTR " moved to vlan: %s\n", - dev->name, MAC2STR(param->sta_addr), - new_vlan_dev->name); -#endif - sta->dev = new_vlan_dev; - sta->vlan_id = param->u.set_sta_vlan.vlan_id; - dev_put(new_vlan_dev); - } - sta_info_release(local, sta); - } - - return sta ? 0 : -ENOENT; -} - - -static int -ieee80211_ioctl_set_generic_info_elem(struct net_device *dev, - struct prism2_hostapd_param *param, - int param_len) -{ - struct ieee80211_local *local = dev->priv; - u8 *pos = param->u.set_generic_info_elem.data; - int left = param_len - ((u8 *) pos - (u8 *) param); - int len = param->u.set_generic_info_elem.len; - - if (left < len) - return -EINVAL; - - { - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) - return ieee80211_sta_set_extra_ie(dev, pos, len); - } - kfree(local->conf.generic_elem); - local->conf.generic_elem = kmalloc(len, GFP_KERNEL); - if (local->conf.generic_elem == NULL) - return -ENOMEM; - memcpy(local->conf.generic_elem, pos, len); - local->conf.generic_elem_len = len; - - return ieee80211_hw_config(dev); -} - - -static int ieee80211_ioctl_set_regulatory_domain(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); - conf->regulatory_domain = param->u.set_regulatory_domain.rd; - return 0; -} - - -static int ieee80211_ioctl_set_adm_status(struct net_device *dev, - int val) -{ - struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); - conf->adm_status = val; - return ieee80211_hw_config(dev); -} - -static int -ieee80211_ioctl_set_tx_queue_params(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_tx_queue_params qparam; - - if (!local->hw->conf_tx) { - printk(KERN_DEBUG "%s: low-level driver does not support TX " - "queue configuration\n", dev->name); - return -EOPNOTSUPP; - } - - memset(&qparam, 0, sizeof(qparam)); - qparam.aifs = param->u.tx_queue_params.aifs; - qparam.cw_min = param->u.tx_queue_params.cw_min; - qparam.cw_max = param->u.tx_queue_params.cw_max; - qparam.burst_time = param->u.tx_queue_params.burst_time; - - return local->hw->conf_tx(dev, param->u.tx_queue_params.queue, - &qparam); -} - - -static int ieee80211_ioctl_get_tx_stats(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_tx_queue_stats stats; - int ret, i; - - if (!local->hw->get_tx_stats) - return -EOPNOTSUPP; - - memset(&stats, 0, sizeof(stats)); - ret = local->hw->get_tx_stats(dev, &stats); - if (ret) - return ret; - - for (i = 0; i < 4; i++) { - param->u.get_tx_stats.data[i].len = stats.data[i].len; - param->u.get_tx_stats.data[i].limit = stats.data[i].limit; - param->u.get_tx_stats.data[i].count = stats.data[i].count; - } - - return 0; -} - - -static int ieee80211_ioctl_set_bss(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); - int i, bss_count; - int new_count = param->u.set_bss.bss_count; - struct net_device **bss_devs, **prev; - struct net_device **sta_devs, **prev_sta_devs; - - bss_count = 0; - for (i = 0; i < conf->bss_count; i++) { - if (local->bss_devs[i]) - bss_count++; - } - - if (new_count < bss_count) { - printk(KERN_DEBUG "%s: invalid BSS count %d (in use: %d)\n", - dev->name, new_count, bss_count); - return -EINVAL; - } - - bss_devs = kmalloc(new_count * sizeof(struct net_device *), - GFP_KERNEL); - if (bss_devs == NULL) - return -ENOMEM; - sta_devs = kmalloc(new_count * sizeof(struct net_device *), - GFP_KERNEL); - if (sta_devs == NULL) { - kfree(bss_devs); - return -ENOMEM; - } - - spin_lock_bh(&local->sub_if_lock); - memcpy(bss_devs, local->bss_devs, - bss_count * sizeof(struct net_device *)); - memset(&bss_devs[bss_count], 0, - (new_count - bss_count) * sizeof(struct net_device *)); - - memcpy(conf->bssid_mask, param->u.set_bss.bssid_mask, ETH_ALEN); - - prev = local->bss_devs; - local->bss_devs = bss_devs; - conf->bss_count = new_count; - - memcpy(sta_devs, local->sta_devs, - bss_count * sizeof(struct net_device *)); - memset(&sta_devs[bss_count], 0, - (new_count - bss_count) * sizeof(struct net_device *)); - prev_sta_devs = local->sta_devs; - local->sta_devs = sta_devs; - - spin_unlock_bh(&local->sub_if_lock); - kfree(prev); - kfree(prev_sta_devs); - - return ieee80211_hw_config(dev); -} - - -static int ieee80211_ioctl_set_channel_flag(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_hw_modes *mode = NULL; - struct ieee80211_channel *chan = NULL; - int i; - - for (i = 0; i < local->hw->num_modes; i++) { - mode = &local->hw->modes[i]; - if (mode->mode == param->u.set_channel_flag.mode) - break; - mode = NULL; - } - - if (!mode) - return -ENOENT; - - for (i = 0; i < mode->num_channels; i++) { - chan = &mode->channels[i]; - if (chan->chan == param->u.set_channel_flag.chan) - break; - chan = NULL; - } - - if (!chan) - return -ENOENT; - - chan->flag = param->u.set_channel_flag.flag; - chan->power_level = param->u.set_channel_flag.power_level; - chan->antenna_max = param->u.set_channel_flag.antenna_max; - - return 0; -} - - -static int ieee80211_ioctl_set_quiet_params(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); - conf->quiet_duration = param->u.quiet.duration; - conf->quiet_offset = param->u.quiet.offset; - conf->quiet_period = param->u.quiet.period; - return 0; -} - - -static int ieee80211_ioctl_set_radar_params(struct net_device *dev, - struct prism2_hostapd_param *param) -{ - /* struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); */ - return 0; -} - - -static int ieee80211_ioctl_priv_hostapd(struct net_device *dev, - struct iw_point *p) -{ - struct prism2_hostapd_param *param; - int ret = 0; - - if (p->length < sizeof(struct prism2_hostapd_param) || - p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) { - printk(KERN_DEBUG "%s: hostapd ioctl: ptr=%p len=%d min=%d " - "max=%d\n", dev->name, p->pointer, p->length, - (int)sizeof(struct prism2_hostapd_param), - PRISM2_HOSTAPD_MAX_BUF_SIZE); - return -EINVAL; - } - - param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL); - if (param == NULL) - return -ENOMEM; - - if (copy_from_user(param, p->pointer, p->length)) { - ret = -EFAULT; - goto out; - } - - switch (param->cmd) { - case PRISM2_HOSTAPD_FLUSH: - ret = ieee80211_ioctl_flush(dev, param); - break; - case PRISM2_HOSTAPD_ADD_STA: - ret = ieee80211_ioctl_add_sta(dev, param); - break; - case PRISM2_HOSTAPD_REMOVE_STA: - ret = ieee80211_ioctl_remove_sta(dev, param); - break; - case PRISM2_HOSTAPD_GET_INFO_STA: - ret = ieee80211_ioctl_get_info_sta(dev, param); - break; - case PRISM2_SET_ENCRYPTION: - ret = ieee80211_ioctl_set_encryption(dev, param, p->length); - break; - case PRISM2_GET_ENCRYPTION: - ret = ieee80211_ioctl_get_encryption(dev, param, p->length); - break; - case PRISM2_HOSTAPD_SET_FLAGS_STA: - ret = ieee80211_ioctl_set_flags_sta(dev, param); - break; - case PRISM2_HOSTAPD_SET_BEACON: - ret = ieee80211_ioctl_set_beacon(dev, param, p->length, 0); - break; - case PRISM2_HOSTAPD_GET_HW_FEATURES: - ret = ieee80211_ioctl_get_hw_features(dev, param, p->length); - break; - case PRISM2_HOSTAPD_SCAN: - ret = ieee80211_ioctl_scan(dev, param); - break; -#ifdef CONFIG_HOSTAPD_WPA_TESTING - case PRISM2_HOSTAPD_WPA_TRIGGER: - ret = ieee80211_ioctl_wpa_trigger(dev, param); - break; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - case PRISM2_HOSTAPD_SET_RATE_SETS: - ret = ieee80211_ioctl_set_rate_sets(dev, param, p->length); - break; - case PRISM2_HOSTAPD_ADD_IF: - ret = ieee80211_ioctl_add_if(dev, param, p->length); - break; - case PRISM2_HOSTAPD_REMOVE_IF: - ret = ieee80211_ioctl_remove_if(dev, param); - break; - case PRISM2_HOSTAPD_GET_DOT11COUNTERSTABLE: - ret = ieee80211_ioctl_get_dot11counterstable(dev, param); - break; - case PRISM2_HOSTAPD_GET_LOAD_STATS: - ret = ieee80211_ioctl_get_load_stats(dev, param); - break; - case PRISM2_HOSTAPD_SET_STA_VLAN: - ret = ieee80211_ioctl_set_sta_vlan(dev, param); - break; - case PRISM2_HOSTAPD_SET_GENERIC_INFO_ELEM: - ret = ieee80211_ioctl_set_generic_info_elem(dev, param, - p->length); - break; - case PRISM2_HOSTAPD_SET_CHANNEL_FLAG: - ret = ieee80211_ioctl_set_channel_flag(dev, param); - break; - case PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN: - ret = ieee80211_ioctl_set_regulatory_domain(dev, param); - break; - case PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS: - ret = ieee80211_ioctl_set_tx_queue_params(dev, param); - break; - case PRISM2_HOSTAPD_SET_BSS: - ret = ieee80211_ioctl_set_bss(dev, param); - break; - case PRISM2_HOSTAPD_GET_TX_STATS: - ret = ieee80211_ioctl_get_tx_stats(dev, param); - break; - case PRISM2_HOSTAPD_UPDATE_IF: - ret = ieee80211_ioctl_update_if(dev, param, p->length); - break; - case PRISM2_HOSTAPD_SCAN_REQ: - ret = ieee80211_ioctl_scan_req(dev, param, p->length); - break; - case PRISM2_STA_GET_STATE: - ret = ieee80211_ioctl_sta_get_state(dev, param); - break; - case PRISM2_HOSTAPD_MLME: - ret = ieee80211_ioctl_mlme(dev, param); - break; - case PRISM2_HOSTAPD_FLUSH_IFS: - ret = ieee80211_ioctl_flush_ifs(dev, param); - break; - case PRISM2_HOSTAPD_SET_RADAR_PARAMS: - ret = ieee80211_ioctl_set_radar_params(dev, param); - break; - case PRISM2_HOSTAPD_SET_QUIET_PARAMS: - ret = ieee80211_ioctl_set_quiet_params(dev, param); - break; - default: - ret = -EOPNOTSUPP; - break; - } - - if (copy_to_user(p->pointer, param, p->length)) - ret = -EFAULT; - - out: - kfree(param); - - return ret; -} - - -static int ieee80211_ioctl_giwname(struct net_device *dev, - struct iw_request_info *info, - char *name, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - switch (local->conf.phymode) { - case MODE_IEEE80211A: - strcpy(name, "IEEE 802.11a"); - break; - case MODE_IEEE80211B: - strcpy(name, "IEEE 802.11b"); - break; - case MODE_IEEE80211G: - strcpy(name, "IEEE 802.11g"); - break; - case MODE_ATHEROS_TURBO: - strcpy(name, "5GHz Turbo"); - break; - default: - strcpy(name, "IEEE 802.11"); - break; - } - - return 0; -} - - -static int ieee80211_ioctl_giwrange(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct iw_range *range = (struct iw_range *) extra; - - data->length = sizeof(struct iw_range); - memset(range, 0, sizeof(struct iw_range)); - - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = 14; - range->retry_capa = IW_RETRY_LIMIT; - range->retry_flags = IW_RETRY_LIMIT; - range->min_retry = 0; - range->max_retry = 255; - range->min_rts = 0; - range->max_rts = 2347; - range->min_frag = 256; - range->max_frag = 2346; - - return 0; -} - - -struct ieee80211_channel_range { - short start_freq; - short end_freq; - unsigned char power_level; - unsigned char antenna_max; -}; - -static const struct ieee80211_channel_range ieee80211_fcc_channels[] = { - { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */, - { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */, - { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */, - { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */, - { 0 } -}; - -static const struct ieee80211_channel_range ieee80211_mkk_channels[] = { - { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */, - { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */, - { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */, - { 0 } -}; - - -static const struct ieee80211_channel_range *channel_range = - ieee80211_fcc_channels; - - -static void ieee80211_unmask_channel(struct net_device *dev, int mode, - struct ieee80211_channel *chan) -{ - int i; - - chan->flag = 0; - - if (ieee80211_regdom == 64 && - (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) { - /* Do not allow Turbo modes in Japan. */ - return; - } - - for (i = 0; channel_range[i].start_freq; i++) { - const struct ieee80211_channel_range *r = &channel_range[i]; - if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) { - if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz && - chan->freq >= 5260 && chan->freq <= 5320) { - /* - * Skip new channels in Japan since the - * firmware was not marked having been upgraded - * by the vendor. - */ - continue; - } - - if (ieee80211_regdom == 0x10 && - (chan->freq == 5190 || chan->freq == 5210 || - chan->freq == 5230)) { - /* Skip MKK channels when in FCC domain. */ - continue; - } - - chan->flag |= IEEE80211_CHAN_W_SCAN | - IEEE80211_CHAN_W_ACTIVE_SCAN | - IEEE80211_CHAN_W_IBSS; - chan->power_level = r->power_level; - chan->antenna_max = r->antenna_max; - - if (ieee80211_regdom == 64 && - (chan->freq == 5170 || chan->freq == 5190 || - chan->freq == 5210 || chan->freq == 5230)) { - /* - * New regulatory rules in Japan have backwards - * compatibility with old channels in 5.15-5.25 - * GHz band, but the station is not allowed to - * use active scan on these old channels. - */ - chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN; - } - - if (ieee80211_regdom == 64 && - (chan->freq == 5260 || chan->freq == 5280 || - chan->freq == 5300 || chan->freq == 5320)) { - /* - * IBSS is not allowed on 5.25-5.35 GHz band - * due to radar detection requirements. - */ - chan->flag &= ~IEEE80211_CHAN_W_IBSS; - } - - break; - } - } -} - - -static int ieee80211_unmask_channels(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - int m, c; - - for (m = 0; m < local->hw->num_modes; m++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[m]; - for (c = 0; c < mode->num_channels; c++) { - ieee80211_unmask_channel(dev, mode->mode, - &mode->channels[c]); - } - } - return 0; -} - - -static int ieee80211_init_client(struct net_device *dev) -{ - if (ieee80211_regdom == 0x40) - channel_range = ieee80211_mkk_channels; - ieee80211_unmask_channels(dev); - ieee80211_ioctl_set_adm_status(dev, 1); - return 0; -} - - -static int ieee80211_is_client_mode(int iw_mode) -{ - return (iw_mode == IW_MODE_INFRA || iw_mode == IW_MODE_ADHOC); -} - - -static int ieee80211_ioctl_siwmode(struct net_device *dev, - struct iw_request_info *info, - __u32 *mode, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - if (!ieee80211_is_client_mode(local->conf.mode) && - ieee80211_is_client_mode(*mode)) { - ieee80211_init_client(dev); - } - if (local->conf.mode != *mode) { - struct ieee80211_sub_if_data *sdata = - IEEE80211_DEV_TO_SUB_IF(dev); - sta_info_flush(local, NULL); - if (local->conf.mode == IW_MODE_ADHOC && - sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - /* Clear drop_unencrypted when leaving adhoc mode since - * only adhoc mode is using automatic setting for this - * in 80211.o. */ - sdata->drop_unencrypted = 0; - } - if (*mode == IW_MODE_MASTER) { - /* AP mode does not currently use ACM bits to limit - * TX, so clear the bitfield here. */ - local->wmm_acm = 0; - } - } - local->conf.mode = *mode; - return ieee80211_hw_config(dev); -} - - -static int ieee80211_ioctl_giwmode(struct net_device *dev, - struct iw_request_info *info, - __u32 *mode, char *extra) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - if (local->conf.mode == IW_MODE_ADHOC) - *mode = IW_MODE_ADHOC; - else - *mode = IW_MODE_INFRA; - } else - *mode = local->conf.mode; - return 0; -} - - -int ieee80211_ioctl_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct ieee80211_local *local = dev->priv; - int m, c, nfreq, set = 0; - - /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */ - if (freq->e == 0) - nfreq = -1; - else { - int i, div = 1000000; - for (i = 0; i < freq->e; i++) - div /= 10; - if (div > 0) - nfreq = freq->m / div; - else - return -EINVAL; - } - - for (m = 0; m < local->hw->num_modes; m++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[m]; - for (c = 0; c < mode->num_channels; c++) { - struct ieee80211_channel *chan = &mode->channels[c]; - if (chan->flag & IEEE80211_CHAN_W_SCAN && - ((freq->e == 0 && chan->chan == freq->m) || - (freq->e > 0 && nfreq == chan->freq)) && - (local->hw_modes & (1 << mode->mode))) { - /* Use next_mode as the mode preference to - * resolve non-unique channel numbers. */ - if (set && mode->mode != local->next_mode) - continue; - - local->conf.channel = chan->chan; - local->conf.channel_val = chan->val; - local->conf.power_level = chan->power_level; - local->conf.freq = chan->freq; - local->conf.phymode = mode->mode; - local->conf.antenna_max = chan->antenna_max; - set++; - } - } - } - - if (set) { - local->sta_scanning = 0; /* Abort possible scan */ - return ieee80211_hw_config(dev); - } - - return -EINVAL; -} - - -static int ieee80211_ioctl_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level - * driver for the current channel with firmware-based management */ - - freq->m = local->conf.freq; - freq->e = 6; - - return 0; -} - - -static int ieee80211_ioctl_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - size_t len = data->length; - - /* iwconfig uses nul termination in SSID.. */ - if (len > 0 && ssid[len - 1] == '\0') - len--; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) - return ieee80211_sta_set_ssid(dev, ssid, len); - - kfree(local->conf.ssid); - local->conf.ssid = kmalloc(len + 1, GFP_KERNEL); - if (local->conf.ssid == NULL) - return -ENOMEM; - memcpy(local->conf.ssid, ssid, len); - local->conf.ssid[len] = '\0'; - local->conf.ssid_len = len; - return ieee80211_hw_config(dev); -} - - -static int ieee80211_ioctl_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct ieee80211_local *local = dev->priv; - size_t len; - - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - int res = ieee80211_sta_get_ssid(dev, ssid, &len); - if (res == 0) - data->length = len; - return res; - } - - len = local->conf.ssid_len; - if (len > IW_ESSID_MAX_SIZE) - len = IW_ESSID_MAX_SIZE; - memcpy(ssid, local->conf.ssid, len); - data->length = len; - return 0; -} - - -static int ieee80211_ioctl_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - int changed_bssid = 0; - if (memcmp(local->conf.client_bssid, (u8 *) &ap_addr->sa_data, - ETH_ALEN) != 0) - changed_bssid = 1; - memcpy(local->conf.client_bssid, (u8 *) &ap_addr->sa_data, - ETH_ALEN); - if (changed_bssid && ieee80211_hw_config(dev)) { - printk(KERN_DEBUG "%s: Failed to config new BSSID to " - "the low-level driver\n", dev->name); - } - return ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data); - } - - return -EOPNOTSUPP; -} - - -static int ieee80211_ioctl_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - ap_addr->sa_family = ARPHRD_ETHER; - memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN); - return 0; - } - - return -EOPNOTSUPP; -} - - -static int ieee80211_ioctl_siwscan(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct ieee80211_local *local = dev->priv; - u8 *ssid = NULL; - size_t ssid_len = 0; - - if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) { - ssid = local->conf.ssid; - ssid_len = local->conf.ssid_len; - } - return ieee80211_sta_req_scan(dev, ssid, ssid_len); -} - - -static int ieee80211_ioctl_giwscan(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - int res; - struct ieee80211_local *local = dev->priv; - if (local->sta_scanning) - return -EAGAIN; - res = ieee80211_sta_scan_results(dev, extra, IW_SCAN_MAX_DATA); - if (res >= 0) { - data->length = res; - return 0; - } - data->length = 0; - return res; -} - - -static int ieee80211_ioctl_siwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - if (rts->disabled) - local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; - else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD) - return -EINVAL; - else - local->rts_threshold = rts->value; - - /* If the wlan card performs RTS/CTS in hardware/firmware, - * configure it here */ - - if (local->hw->set_rts_threshold) { - local->hw->set_rts_threshold(dev, local->rts_threshold); - } - - return 0; -} - -static int ieee80211_ioctl_giwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - rts->value = local->rts_threshold; - rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD); - rts->fixed = 1; - - return 0; -} - - -static int ieee80211_ioctl_siwfrag(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *frag, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - if (frag->disabled) - local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; - else if (frag->value < 256 || - frag->value > IEEE80211_MAX_FRAG_THRESHOLD) - return -EINVAL; - else { - /* Fragment length must be even, so strip LSB. */ - local->fragmentation_threshold = frag->value & ~0x1; - } - - /* If the wlan card performs fragmentation in hardware/firmware, - * configure it here */ - - if (local->hw->set_frag_threshold) { - local->hw->set_frag_threshold( - dev, local->fragmentation_threshold); - } - - return 0; -} - -static int ieee80211_ioctl_giwfrag(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *frag, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - frag->value = local->fragmentation_threshold; - frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD); - frag->fixed = 1; - - return 0; -} - - -static int ieee80211_ioctl_siwretry(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *retry, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - if (retry->disabled || - (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) - return -EINVAL; - - if (retry->flags & IW_RETRY_MAX) - local->long_retry_limit = retry->value; - else if (retry->flags & IW_RETRY_MIN) - local->short_retry_limit = retry->value; - else { - local->long_retry_limit = retry->value; - local->short_retry_limit = retry->value; - } - - if (local->hw->set_retry_limit) { - return local->hw->set_retry_limit( - dev, local->short_retry_limit, - local->long_retry_limit); - } - - return 0; -} - - -static int ieee80211_ioctl_giwretry(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *retry, char *extra) -{ - struct ieee80211_local *local = dev->priv; - - retry->disabled = 0; - if ((retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) - return -EINVAL; - if (retry->flags & IW_RETRY_MAX) { - retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX; - retry->value = local->long_retry_limit; - } else { - retry->flags = IW_RETRY_LIMIT; - retry->value = local->short_retry_limit; - if (local->long_retry_limit != local->short_retry_limit) - retry->flags |= IW_RETRY_MIN; - } - - return 0; -} - - -static void ieee80211_ioctl_unmask_channels(struct ieee80211_local *local) -{ - int m, c; - - for (m = 0; m < local->hw->num_modes; m++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[m]; - for (c = 0; c < mode->num_channels; c++) { - struct ieee80211_channel *chan = &mode->channels[c]; - chan->flag |= IEEE80211_CHAN_W_SCAN; - } - } -} - - -static int ieee80211_ioctl_test_mode(struct net_device *dev, int mode) -{ - struct ieee80211_local *local = dev->priv; - int ret = -EOPNOTSUPP; - - if (mode == IEEE80211_TEST_UNMASK_CHANNELS) { - ieee80211_ioctl_unmask_channels(local); - ret = 0; - } - - if (local->hw->test_mode) - ret = local->hw->test_mode(dev, mode); - - return ret; -} - - -static int ieee80211_ioctl_clear_keys(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_key_conf key; - struct list_head *ptr; - int i; - u8 addr[ETH_ALEN]; - struct ieee80211_key_conf *keyconf; - - memset(addr, 0xff, ETH_ALEN); - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - for (i = 0; i < NUM_DEFAULT_KEYS; i++) { - keyconf = NULL; - if (sdata->keys[i] && - !sdata->keys[i]->force_sw_encrypt && - local->hw->set_key && - (keyconf = ieee80211_key_data2conf(local, - sdata->keys[i])) - != NULL) - local->hw->set_key(dev, DISABLE_KEY, addr, - keyconf, 0); - kfree(keyconf); - kfree(sdata->keys[i]); - sdata->keys[i] = NULL; - } - sdata->default_key = NULL; - } - - spin_lock_bh(&local->sta_lock); - list_for_each(ptr, &local->sta_list) { - struct sta_info *sta = - list_entry(ptr, struct sta_info, list); - keyconf = NULL; - if (sta->key && !sta->key->force_sw_encrypt && - local->hw->set_key && - (keyconf = ieee80211_key_data2conf(local, sta->key)) - != NULL) - local->hw->set_key(dev, DISABLE_KEY, sta->addr, - keyconf, sta->aid); - kfree(keyconf); - kfree(sta->key); - sta->key = NULL; - } - spin_unlock_bh(&local->sta_lock); - - - memset(&key, 0, sizeof(key)); - if (local->hw->set_key && - local->hw->set_key(dev, REMOVE_ALL_KEYS, NULL, - &key, 0)) - printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n", - dev->name); - - return 0; -} - - -static int -ieee80211_ioctl_force_unicast_rate(struct net_device *dev, - struct ieee80211_sub_if_data *sdata, - int rate) -{ - struct ieee80211_local *local = dev->priv; - int i; - - if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM) - return -ENOENT; - - if (rate == 0) { - sdata->u.norm.force_unicast_rateidx = -1; - return 0; - } - - for (i = 0; i < local->num_curr_rates; i++) { - if (local->curr_rates[i].rate == rate) { - sdata->u.norm.force_unicast_rateidx = i; - return 0; - } - } - return -EINVAL; -} - - -static int -ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev, - struct ieee80211_sub_if_data *sdata, - int rate) -{ - struct ieee80211_local *local = dev->priv; - int i; - - if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM) - return -ENOENT; - - if (rate == 0) { - sdata->u.norm.max_ratectrl_rateidx = -1; - return 0; - } - - for (i = 0; i < local->num_curr_rates; i++) { - if (local->curr_rates[i].rate == rate) { - sdata->u.norm.max_ratectrl_rateidx = i; - return 0; - } - } - return -EINVAL; -} - - -static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local, - struct ieee80211_key *key) -{ - struct ieee80211_key_conf *keyconf; - u8 addr[ETH_ALEN]; - - if (key == NULL || key->alg != ALG_WEP || !key->force_sw_encrypt || - local->hw->device_hides_wep) - return; - - memset(addr, 0xff, ETH_ALEN); - keyconf = ieee80211_key_data2conf(local, key); - if (keyconf && local->hw->set_key && - local->hw->set_key(local->mdev, SET_KEY, addr, keyconf, 0) == 0) { - key->force_sw_encrypt = keyconf->force_sw_encrypt; - key->hw_key_idx = keyconf->hw_key_idx; - } - kfree(keyconf); -} - - -static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local, - struct ieee80211_key *key) -{ - struct ieee80211_key_conf *keyconf; - u8 addr[ETH_ALEN]; - - if (key == NULL || key->alg != ALG_WEP || key->force_sw_encrypt || - local->hw->device_hides_wep) - return; - - memset(addr, 0xff, ETH_ALEN); - keyconf = ieee80211_key_data2conf(local, key); - if (keyconf && local->hw->set_key) - local->hw->set_key(local->mdev, DISABLE_KEY, addr, keyconf, 0); - kfree(keyconf); - key->force_sw_encrypt = 1; -} - - -static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local, - int value) -{ - int i; - struct list_head *ptr; - - local->default_wep_only = value; - list_for_each(ptr, &local->sub_if_list) { - struct ieee80211_sub_if_data *sdata = - list_entry(ptr, struct ieee80211_sub_if_data, list); - for (i = 0; i < NUM_DEFAULT_KEYS; i++) { - if (value) { - ieee80211_key_enable_hwaccel(local, - sdata->keys[i]); - } else { - ieee80211_key_disable_hwaccel(local, - sdata->keys[i]); - } - } - } - - return 0; -} - - -static int ieee80211_ioctl_prism2_param(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - int *i = (int *) extra; - int param = *i; - int value = *(i + 1); - int ret = 0; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - switch (param) { - case PRISM2_PARAM_HOST_ENCRYPT: - case PRISM2_PARAM_HOST_DECRYPT: - /* TODO: implement these; return success now to prevent - * hostapd from aborting */ - break; - - case PRISM2_PARAM_BEACON_INT: - local->conf.beacon_int = value; - if (ieee80211_hw_config(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_AP_BRIDGE_PACKETS: - local->bridge_packets = value; - break; - - case PRISM2_PARAM_AP_AUTH_ALGS: - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - sdata->u.sta.auth_algs = value; - } else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_DTIM_PERIOD: - if (value < 1) - ret = -EINVAL; - else if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM) - ret = -ENOENT; - else - sdata->u.norm.dtim_period = value; - break; - - case PRISM2_PARAM_IEEE_802_1X: - sdata->ieee802_1x = value; - if (local->hw->set_ieee8021x && - local->hw->set_ieee8021x(dev, value)) - printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) " - "for low-level driver\n", dev->name, value); - break; - - case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES: - local->cts_protect_erp_frames = value; - break; - - case PRISM2_PARAM_DROP_UNENCRYPTED: - sdata->drop_unencrypted = value; - break; - - case PRISM2_PARAM_PREAMBLE: - local->short_preamble = value; - break; - - case PRISM2_PARAM_RATE_LIMIT_BURST: - local->rate_limit_burst = value; - local->rate_limit_bucket = value; - break; - - case PRISM2_PARAM_RATE_LIMIT: - /* number of packets (tokens) allowed per second */ - if (!local->rate_limit && value) { - if (!local->rate_limit_burst) local->rate_limit_burst = - value; - local->rate_limit_bucket = local->rate_limit_burst; - local->rate_limit_timer.expires = jiffies + HZ; - add_timer(&local->rate_limit_timer); - } else if (local->rate_limit && !value) { - del_timer_sync(&local->rate_limit_timer); - } - local->rate_limit = value; - break; - - case PRISM2_PARAM_STAT_TIME: - if (!local->stat_time && value) { - local->stat_timer.expires = jiffies + HZ * value / 100; - add_timer(&local->stat_timer); - } else if (local->stat_time && !value) { - del_timer_sync(&local->stat_timer); - } - local->stat_time = value; - break; - case PRISM2_PARAM_SHORT_SLOT_TIME: - local->conf.short_slot_time = value; - if (ieee80211_hw_config(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_PRIVACY_INVOKED: - if (local->hw->set_privacy_invoked) - ret = local->hw->set_privacy_invoked(dev, value); - break; - - case PRISM2_PARAM_TEST_MODE: - ret = ieee80211_ioctl_test_mode(dev, value); - break; - - case PRISM2_PARAM_NEXT_MODE: - local->next_mode = value; - break; - - case PRISM2_PARAM_CLEAR_KEYS: - ret = ieee80211_ioctl_clear_keys(dev); - break; - - case PRISM2_PARAM_ADM_STATUS: - ret = ieee80211_ioctl_set_adm_status(dev, value); - break; - - case PRISM2_PARAM_ANTENNA_SEL: - local->conf.antenna_sel = value; - if (ieee80211_hw_config(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_CALIB_INT: - local->conf.calib_int = value; - if (ieee80211_hw_config(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_ANTENNA_MODE: - local->conf.antenna_mode = value; - if (ieee80211_hw_config(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_BROADCAST_SSID: - if ((value < 0) || (value > 1)) - ret = -EINVAL; - else - local->conf.ssid_hidden = value; - break; - - case PRISM2_PARAM_STA_ANTENNA_SEL: - local->sta_antenna_sel = value; - break; - - case PRISM2_PARAM_FORCE_UNICAST_RATE: - ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value); - break; - - case PRISM2_PARAM_MAX_RATECTRL_RATE: - ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value); - break; - - case PRISM2_PARAM_RATE_CTRL_NUM_UP: - local->rate_ctrl_num_up = value; - break; - - case PRISM2_PARAM_RATE_CTRL_NUM_DOWN: - local->rate_ctrl_num_down = value; - break; - - case PRISM2_PARAM_TX_POWER_REDUCTION: - if (value < 0) - ret = -EINVAL; - else - local->conf.tx_power_reduction = value; - break; - - case PRISM2_PARAM_EAPOL: - sdata->eapol = value; - break; - - case PRISM2_PARAM_KEY_TX_RX_THRESHOLD: - local->key_tx_rx_threshold = value; - break; - - case PRISM2_PARAM_KEY_INDEX: - if (value < 0 || value >= NUM_DEFAULT_KEYS) - ret = -EINVAL; - else if (sdata->keys[value] == NULL) - ret = -ENOENT; - else - sdata->default_key = sdata->keys[value]; - break; - - case PRISM2_PARAM_DEFAULT_WEP_ONLY: - ret = ieee80211_ioctl_default_wep_only(local, value); - break; - - case PRISM2_PARAM_WIFI_WME_NOACK_TEST: - local->wifi_wme_noack_test = value; - break; - - - - case PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS: - local->allow_broadcast_always = value; - break; - - case PRISM2_PARAM_SCAN_FLAGS: - local->scan_flags = value; - break; - - case PRISM2_PARAM_MIXED_CELL: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - sdata->u.sta.mixed_cell = !!value; - break; - - case PRISM2_PARAM_KEY_MGMT: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - sdata->u.sta.key_mgmt = value; - break; - - case PRISM2_PARAM_HW_MODES: - local->hw_modes = value; - break; - - case PRISM2_PARAM_CREATE_IBSS: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - sdata->u.sta.create_ibss = !!value; - break; - case PRISM2_PARAM_WMM_ENABLED: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - sdata->u.sta.wmm_enabled = !!value; - break; - case PRISM2_PARAM_RADAR_DETECT: - local->conf.radar_detect = value; - break; - case PRISM2_PARAM_SPECTRUM_MGMT: - local->conf.spect_mgmt = value; - break; - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} - - -static int ieee80211_ioctl_get_prism2_param(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - int *param = (int *) extra; - int ret = 0; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - switch (*param) { - case PRISM2_PARAM_BEACON_INT: - *param = local->conf.beacon_int; - break; - - case PRISM2_PARAM_AP_BRIDGE_PACKETS: - *param = local->bridge_packets; - break; - - case PRISM2_PARAM_AP_AUTH_ALGS: - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - *param = sdata->u.sta.auth_algs; - } else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_DTIM_PERIOD: - if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM) - ret = -ENOENT; - else - *param = sdata->u.norm.dtim_period; - break; - - case PRISM2_PARAM_IEEE_802_1X: - *param = sdata->ieee802_1x; - break; - - case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES: - *param = local->cts_protect_erp_frames; - break; - - case PRISM2_PARAM_DROP_UNENCRYPTED: - *param = sdata->drop_unencrypted; - break; - - case PRISM2_PARAM_PREAMBLE: - *param = local->short_preamble; - break; - - case PRISM2_PARAM_RATE_LIMIT_BURST: - *param = local->rate_limit_burst; - break; - - case PRISM2_PARAM_RATE_LIMIT: - *param = local->rate_limit; - break; - - case PRISM2_PARAM_STAT_TIME: - *param = local->stat_time; - break; - case PRISM2_PARAM_SHORT_SLOT_TIME: - *param = local->conf.short_slot_time; - break; - - case PRISM2_PARAM_NEXT_MODE: - *param = local->next_mode; - break; - - case PRISM2_PARAM_ANTENNA_SEL: - *param = local->conf.antenna_sel; - break; - - case PRISM2_PARAM_CALIB_INT: - *param = local->conf.calib_int; - break; - - case PRISM2_PARAM_ANTENNA_MODE: - *param = local->conf.antenna_mode; - break; - - case PRISM2_PARAM_BROADCAST_SSID: - *param = local->conf.ssid_hidden; - break; - - case PRISM2_PARAM_STA_ANTENNA_SEL: - *param = local->sta_antenna_sel; - break; - - case PRISM2_PARAM_RATE_CTRL_NUM_UP: - *param = local->rate_ctrl_num_up; - break; - - case PRISM2_PARAM_RATE_CTRL_NUM_DOWN: - *param = local->rate_ctrl_num_down; - break; - - case PRISM2_PARAM_TX_POWER_REDUCTION: - *param = local->conf.tx_power_reduction; - break; - - case PRISM2_PARAM_EAPOL: - *param = sdata->eapol; - break; - - case PRISM2_PARAM_KEY_TX_RX_THRESHOLD: - *param = local->key_tx_rx_threshold; - break; - - case PRISM2_PARAM_KEY_INDEX: - if (sdata->default_key == NULL) - ret = -ENOENT; - else if (sdata->default_key == sdata->keys[0]) - *param = 0; - else if (sdata->default_key == sdata->keys[1]) - *param = 1; - else if (sdata->default_key == sdata->keys[2]) - *param = 2; - else if (sdata->default_key == sdata->keys[3]) - *param = 3; - else - ret = -ENOENT; - break; - - case PRISM2_PARAM_DEFAULT_WEP_ONLY: - *param = local->default_wep_only; - break; - - case PRISM2_PARAM_WIFI_WME_NOACK_TEST: - *param = local->wifi_wme_noack_test; - break; - - - - case PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS: - *param = local->allow_broadcast_always; - break; - - case PRISM2_PARAM_SCAN_FLAGS: - *param = local->scan_flags; - break; - - case PRISM2_PARAM_HW_MODES: - *param = local->hw_modes; - break; - - case PRISM2_PARAM_CREATE_IBSS: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - *param = !!sdata->u.sta.create_ibss; - break; - - case PRISM2_PARAM_MIXED_CELL: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - *param = !!sdata->u.sta.mixed_cell; - break; - - case PRISM2_PARAM_KEY_MGMT: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - *param = sdata->u.sta.key_mgmt; - break; - case PRISM2_PARAM_WMM_ENABLED: - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - ret = -EINVAL; - else - *param = !!sdata->u.sta.wmm_enabled; - break; - - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} - - -static int ieee80211_ioctl_test_param(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct ieee80211_local *local = dev->priv; - int *i = (int *) extra; - int param = *i; - int value = *(i + 1); - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (local->hw->test_param) - return local->hw->test_param(local->mdev, param, value); - - return -EOPNOTSUPP; -} - - -static const struct iw_priv_args ieee80211_ioctl_priv[] = { - { PRISM2_IOCTL_PRISM2_PARAM, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" }, - { PRISM2_IOCTL_GET_PRISM2_PARAM, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" }, - { PRISM2_IOCTL_TEST_PARAM, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "test_param" }, -}; - - -static int ieee80211_ioctl_giwpriv(struct net_device *dev, - struct iw_point *data) -{ - - if (!data->pointer || - !access_ok(VERIFY_WRITE, data->pointer, - sizeof(ieee80211_ioctl_priv))) - return -EINVAL; - - data->length = sizeof(ieee80211_ioctl_priv) / - sizeof(ieee80211_ioctl_priv[0]); - if (copy_to_user(data->pointer, ieee80211_ioctl_priv, - sizeof(ieee80211_ioctl_priv))) - return -EINVAL; - return 0; -} - - -int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct iwreq *wrq = (struct iwreq *) rq; - int ret = 0; - char ssid[IW_ESSID_MAX_SIZE + 1]; - - switch (cmd) { - case SIOCGIWNAME: - ret = ieee80211_ioctl_giwname(dev, NULL, (char *) &wrq->u, - NULL); - break; - case SIOCSIWESSID: - if (!wrq->u.essid.pointer) - ret = -EINVAL; - else if (wrq->u.essid.length > IW_ESSID_MAX_SIZE) - ret = -E2BIG; - else { - if (copy_from_user(ssid, wrq->u.essid.pointer, - wrq->u.essid.length)) { - ret = -EFAULT; - break; - } - ret = ieee80211_ioctl_siwessid(dev, NULL, - &wrq->u.essid, ssid); - } - break; - case SIOCGIWESSID: - if (!wrq->u.essid.pointer) { - ret = -EINVAL; - } else { - memset(ssid, 0, IW_ESSID_MAX_SIZE + 1); - ret = ieee80211_ioctl_giwessid(dev, NULL, - &wrq->u.essid, ssid); - if (copy_to_user(wrq->u.essid.pointer, ssid, - wrq->u.essid.length)) { - ret = -EFAULT; - break; - } - } - break; - - case SIOCGIWRANGE: - { - struct iw_range range; - if (!access_ok(VERIFY_WRITE, wrq->u.data.pointer, - sizeof(range))) { - ret = -EFAULT; - break; - } - ret = ieee80211_ioctl_giwrange(dev, NULL, &wrq->u.data, - (char *) &range); - if (ret) - break; - if (copy_to_user(wrq->u.data.pointer, &range, sizeof(range))) - ret = -EFAULT; - break; - } - - case SIOCSIWAP: - ret = ieee80211_ioctl_siwap(dev, NULL, &wrq->u.ap_addr, NULL); - break; - case SIOCGIWAP: - ret = ieee80211_ioctl_giwap(dev, NULL, &wrq->u.ap_addr, NULL); - break; - case SIOCSIWSCAN: - ret = ieee80211_ioctl_siwscan(dev, NULL, &wrq->u.data, NULL); - break; - case SIOCGIWSCAN: - { - char *buf = kmalloc(IW_SCAN_MAX_DATA, GFP_KERNEL); - if (buf == NULL) { - ret = -ENOMEM; - break; - } - ret = ieee80211_ioctl_giwscan(dev, NULL, &wrq->u.data, buf); - if (ret == 0 && - copy_to_user(wrq->u.data.pointer, buf, wrq->u.data.length)) - ret = -EFAULT; - kfree(buf); - break; - } - - case SIOCSIWFREQ: - ret = ieee80211_ioctl_siwfreq(dev, NULL, &wrq->u.freq, NULL); - break; - case SIOCGIWFREQ: - ret = ieee80211_ioctl_giwfreq(dev, NULL, &wrq->u.freq, NULL); - break; - case SIOCSIWMODE: - ret = ieee80211_ioctl_siwmode(dev, NULL, &wrq->u.mode, NULL); - break; - case SIOCGIWMODE: - ret = ieee80211_ioctl_giwmode(dev, NULL, &wrq->u.mode, NULL); - break; - - case SIOCSIWRTS: - ret = ieee80211_ioctl_siwrts(dev, NULL, &wrq->u.rts, NULL); - break; - case SIOCGIWRTS: - ret = ieee80211_ioctl_giwrts(dev, NULL, &wrq->u.rts, NULL); - break; - - case SIOCSIWFRAG: - ret = ieee80211_ioctl_siwfrag(dev, NULL, &wrq->u.frag, NULL); - break; - case SIOCGIWFRAG: - ret = ieee80211_ioctl_giwfrag(dev, NULL, &wrq->u.frag, NULL); - break; - - case SIOCSIWRETRY: - ret = ieee80211_ioctl_siwretry(dev, NULL, &wrq->u.retry, NULL); - break; - case SIOCGIWRETRY: - ret = ieee80211_ioctl_giwretry(dev, NULL, &wrq->u.retry, NULL); - break; - - case PRISM2_IOCTL_PRISM2_PARAM: - ret = ieee80211_ioctl_prism2_param(dev, NULL, &wrq->u, - (char *) &wrq->u); - break; - case PRISM2_IOCTL_GET_PRISM2_PARAM: - ret = ieee80211_ioctl_get_prism2_param(dev, NULL, &wrq->u, - (char *) &wrq->u); - break; - case PRISM2_IOCTL_TEST_PARAM: - ret = ieee80211_ioctl_test_param(dev, NULL, &wrq->u, - (char *) &wrq->u); - break; - case PRISM2_IOCTL_HOSTAPD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ieee80211_ioctl_priv_hostapd(dev, &wrq->u.data); - break; - case SIOCGIWPRIV: - ret = ieee80211_ioctl_giwpriv(dev, &wrq->u.data); - break; - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_key.h b/target/linux/package/ieee80211-dscape/src/ieee80211_key.h deleted file mode 100644 index 7a2415dec4..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_key.h +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_KEY_H -#define IEEE80211_KEY_H - -/* ALG_TKIP - * struct ieee80211_key::key is encoded as a 256-bit (32 byte) data block: - * Temporal Encryption Key (128 bits) - * Temporal Authenticator Tx MIC Key (64 bits) - * Temporal Authenticator Rx MIC Key (64 bits) - */ - -#define WEP_IV_LEN 4 -#define WEP_ICV_LEN 4 - -#define ALG_TKIP_KEY_LEN 32 -/* Starting offsets for each key */ -#define ALG_TKIP_TEMP_ENCR_KEY 0 -#define ALG_TKIP_TEMP_AUTH_TX_MIC_KEY 16 -#define ALG_TKIP_TEMP_AUTH_RX_MIC_KEY 24 -#define TKIP_IV_LEN 8 -#define TKIP_ICV_LEN 4 - -#define ALG_CCMP_KEY_LEN 16 -#define CCMP_HDR_LEN 8 -#define CCMP_MIC_LEN 8 -#define CCMP_TK_LEN 16 -#define CCMP_PN_LEN 6 - -#define NUM_RX_DATA_QUEUES 17 - -struct ieee80211_key { - int hw_key_idx; /* filled and used by low-level driver */ - ieee80211_key_alg alg; - union { - struct { - /* last used TSC */ - u32 iv32; - u16 iv16; - u16 p1k[5]; - int tx_initialized; - - /* last received RSC */ - u32 iv32_rx[NUM_RX_DATA_QUEUES]; - u16 iv16_rx[NUM_RX_DATA_QUEUES]; - u16 p1k_rx[NUM_RX_DATA_QUEUES][5]; - int rx_initialized[NUM_RX_DATA_QUEUES]; - } tkip; - struct { - u8 tx_pn[6]; - /* TODO: for WME make this replay counter per AC */ - u8 rx_pn[NUM_RX_DATA_QUEUES][6]; -#ifndef AES_STATE_LEN -#define AES_STATE_LEN 44 -#endif - u32 aes_state[AES_STATE_LEN]; - u32 replays; /* dot11RSNAStatsCCMPReplays */ - } ccmp; - } u; - int tx_rx_count; /* number of times this key has been used */ - int keylen; - - /* if the low level driver can provide hardware acceleration it should - * clear this flag */ - int force_sw_encrypt:1; - int keyidx:8; /* WEP key index */ - int default_tx_key:1; /* This key is the new default TX key - * (used only for broadcast keys). */ - - u8 key[0]; -}; - -#endif /* IEEE80211_KEY_H */ diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_led.c b/target/linux/package/ieee80211-dscape/src/ieee80211_led.c deleted file mode 100644 index de3f52cc7f..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_led.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/netdevice.h> -#include <linux/types.h> - -#ifdef CONFIG_OAP_LEDS_WLAN -extern void leds_wlan_set(int unit, int tx, int state); -#endif - -void ieee80211_rx_led(int state, struct net_device *dev) { -#ifdef CONFIG_OAP_LEDS_WLAN - static unsigned int count = 0; - - if (state == 2) { - leds_wlan_set(0, 0, (++count) & 1); - } -#endif -} - -void ieee80211_tx_led(int state, struct net_device *dev) { -#ifdef CONFIG_OAP_LEDS_WLAN - leds_wlan_set(0, 1, state); -#endif -} - diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_proc.c b/target/linux/package/ieee80211-dscape/src/ieee80211_proc.c deleted file mode 100644 index 1f74f29942..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_proc.c +++ /dev/null @@ -1,777 +0,0 @@ -/* - * Copyright 2003-2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/proc_fs.h> -#include <linux/delay.h> - -#ifdef CONFIG_PROC_FS - -#include <net/ieee80211.h> -#include <net/ieee80211_common.h> -#include <net/ieee80211_mgmt.h> -#include "ieee80211_i.h" -#include "sta_info.h" -#include "ieee80211_proc.h" -#include "rate_control.h" - - -static struct proc_dir_entry *ieee80211_proc; - -#define PROC_LIMIT (PAGE_SIZE - 80) - - -static char * ieee80211_proc_key(char *p, struct ieee80211_key *key, - int idx, int def_key) -{ - int i; - u8 *tpn, *rpn; - - if (!key) - return p; - - p += sprintf(p, "key[%d]%s len=%d sw_encrypt=%d idx=%d hwidx=%d " - "tx_rx_count=%d", - idx, def_key ? "*" : "", key->keylen, - key->force_sw_encrypt, key->keyidx, key->hw_key_idx, - key->tx_rx_count); - switch (key->alg) { - case ALG_WEP: - p += sprintf(p, " alg=WEP"); - break; - case ALG_TKIP: - p += sprintf(p, " alg=TKIP iv(tx)=%08x %04x", - key->u.tkip.iv32, key->u.tkip.iv16); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) { - if (key->u.tkip.iv32_rx[i] == 0 && - key->u.tkip.iv16_rx[i] == 0) - continue; - p += sprintf(p, " iv(rx %d)=%08x %04x", i, - key->u.tkip.iv32_rx[i], - key->u.tkip.iv16_rx[i]); - } - break; - case ALG_CCMP: - tpn = key->u.ccmp.tx_pn; - p += sprintf(p, " alg=CCMP PN(tx)=%02x%02x%02x%02x%02x%02x", - tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) { - rpn = key->u.ccmp.rx_pn[i]; - if (memcmp(rpn, "\x00\x00\x00\x00\x00\x00", 6) == 0) - continue; - p += sprintf(p, " PN(rx %d)=%02x%02x%02x%02x%02x%02x", - i, rpn[0], rpn[1], rpn[2], rpn[3], rpn[4], - rpn[5]); - } - p += sprintf(p, " replays=%u", key->u.ccmp.replays); - break; - default: - break; - } - - p += sprintf(p, " key="); - for (i = 0; i < key->keylen; i++) - p += sprintf(p, "%02x", key->key[i]); - p += sprintf(p, "\n"); - return p; -} - - -static char * ieee80211_proc_sub_if_norm(char *p, - struct ieee80211_if_norm *norm) -{ - p += sprintf(p, "type=norm\n"); - if (norm->beacon_head) - p += sprintf(p, "beacon_head_len=%d\n", norm->beacon_head_len); - if (norm->beacon_tail) - p += sprintf(p, "beacon_tail_len=%d\n", norm->beacon_tail_len); - p += sprintf(p, - "max_aid=%d\n" - "num_sta_ps=%d\n" - "num_buffered_multicast=%u\n" - "dtim_period=%d\n" - "dtim_count=%d\n" - "num_beacons=%d\n" - "force_unicast_rateidx=%d\n" - "max_ratectrl_rateidx=%d\n", - norm->max_aid, atomic_read(&norm->num_sta_ps), - skb_queue_len(&norm->ps_bc_buf), - norm->dtim_period, norm->dtim_count, norm->num_beacons, - norm->force_unicast_rateidx, norm->max_ratectrl_rateidx); - return p; -} - - -static char * ieee80211_proc_sub_if_sta(char *p, - struct ieee80211_if_sta *ifsta) -{ - p += sprintf(p, "type=sta\n"); - p += sprintf(p, - "state=%d\n" - "bssid=" MACSTR "\n" - "prev_bssid=" MACSTR "\n" - "ssid_len=%zd\n" - "aid=%d\n" - "ap_capab=0x%x\n" - "capab=0x%x\n" - "extra_ie_len=%zd\n" - "auth_tries=%d\n" - "assoc_tries=%d\n" - "flags=%s%s%s%s%s%s%s\n" - "auth_algs=0x%x\n" - "auth_alg=%d\n" - "auth_transaction=%d\n", - ifsta->state, - MAC2STR(ifsta->bssid), - MAC2STR(ifsta->prev_bssid), - ifsta->ssid_len, - ifsta->aid, - ifsta->ap_capab, - ifsta->capab, - ifsta->extra_ie_len, - ifsta->auth_tries, - ifsta->assoc_tries, - ifsta->ssid_set ? "[SSID]" : "", - ifsta->bssid_set ? "[BSSID]" : "", - ifsta->prev_bssid_set ? "[prev BSSID" : "", - ifsta->authenticated ? "[AUTH]" : "", - ifsta->associated ? "[ASSOC]" : "", - ifsta->probereq_poll ? "[PROBEREQ POLL]" : "", - ifsta->use_protection ? "[CTS prot]" : "", - ifsta->auth_algs, - ifsta->auth_alg, - ifsta->auth_transaction); - return p; -} - - -static char * ieee80211_proc_sub_if(char *p, - struct ieee80211_sub_if_data *sdata) -{ - if (sdata == NULL) - return p; - - if (sdata->bss) - p += sprintf(p, "bss=%p\n", sdata->bss); - - switch (sdata->type) { - case IEEE80211_SUB_IF_TYPE_NORM: - p = ieee80211_proc_sub_if_norm(p, &sdata->u.norm); - break; - case IEEE80211_SUB_IF_TYPE_WDS: - p += sprintf(p, "type=wds\n"); - p += sprintf(p, "wds.peer=" MACSTR "\n", - MAC2STR(sdata->u.wds.remote_addr)); - break; - case IEEE80211_SUB_IF_TYPE_VLAN: - p += sprintf(p, "type=vlan\n"); - p += sprintf(p, "vlan.id=%d\n", sdata->u.vlan.id); - break; - case IEEE80211_SUB_IF_TYPE_STA: - p = ieee80211_proc_sub_if_sta(p, &sdata->u.sta); - break; - } - p += sprintf(p, "channel_use=%d\n", sdata->channel_use); - p += sprintf(p, "drop_unencrypted=%d\n", sdata->drop_unencrypted); - p += sprintf(p, "eapol=%d\n", sdata->eapol); - p += sprintf(p, "ieee802_1x=%d\n", sdata->ieee802_1x); - - return p; -} - - -static int ieee80211_proc_iface_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct net_device *dev = (struct net_device *) data; - struct ieee80211_sub_if_data *sdata; - int i; - - if (off != 0) { - *eof = 1; - return 0; - } - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (!sdata) - return -1; - - p = ieee80211_proc_sub_if(p, sdata); - - for (i = 0; i < NUM_DEFAULT_KEYS; i++) { - if (sdata->keys[i] == NULL) - continue; - - p = ieee80211_proc_key(p, sdata->keys[i], i, - sdata->keys[i] == sdata->default_key); - } - - return (p - page); -} - - -static int ieee80211_proc_sta_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct sta_info *sta = (struct sta_info *) data; - struct ieee80211_local *local; - int inactive, i; - - if (off != 0) { - *eof = 1; - return 0; - } - - if (!sta || !sta->dev) - return -1; - - p += sprintf(p, "users=%d\n", atomic_read(&sta->users)); - p += sprintf(p, "aid=%d\n", sta->aid); - p += sprintf(p, "flags=0x%x %s%s%s%s%s%s%s%s%s%s\n", sta->flags, - sta->flags & WLAN_STA_AUTH ? "[AUTH]" : "", - sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : "", - sta->flags & WLAN_STA_PS ? "[PS]" : "", - sta->flags & WLAN_STA_TIM ? "[TIM]" : "", - sta->flags & WLAN_STA_PERM ? "[PERM]" : "", - sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : "", - sta->flags & WLAN_STA_SHORT_PREAMBLE ? - "[SHORT PREAMBLE]" : "", - sta->flags & WLAN_STA_WME ? "[WME]" : "", - sta->flags & WLAN_STA_WDS ? "[WDS]" : "", - sta->flags & WLAN_STA_XR ? "[XR]" : ""); - p += sprintf(p, "key_idx_compression=%d\n", - sta->key_idx_compression); - p += sprintf(p, "dev=%s\n", sta->dev->name); - if (sta->vlan_id > 0) - p += sprintf(p, "vlan_id=%d\n", sta->vlan_id); - p += sprintf(p, "rx_packets=%lu\ntx_packets=%lu\nrx_bytes=%lu\n" - "tx_bytes=%lu\nrx_duplicates=%lu\nrx_fragments=%lu\n" - "rx_dropped=%lu\ntx_fragments=%lu\ntx_filtered=%lu\n", - sta->rx_packets, sta->tx_packets, - sta->rx_bytes, sta->tx_bytes, - sta->num_duplicates, sta->rx_fragments, sta->rx_dropped, - sta->tx_fragments, sta->tx_filtered_count); - p = ieee80211_proc_key(p, sta->key, 0, 1); - - local = (struct ieee80211_local *) sta->dev->priv; - if (sta->txrate >= 0 && sta->txrate < local->num_curr_rates) { - p += sprintf(p, "txrate=%d\n", - local->curr_rates[sta->txrate].rate); - } - if (sta->last_txrate >= 0 && - sta->last_txrate < local->num_curr_rates) { - p += sprintf(p, "last_txrate=%d\n", - local->curr_rates[sta->last_txrate].rate); - } - p += sprintf(p, "num_ps_buf_frames=%u\n", - skb_queue_len(&sta->ps_tx_buf)); - p += sprintf(p, "tx_retry_failed=%lu\n", sta->tx_retry_failed); - p += sprintf(p, "tx_retry_count=%lu\n", sta->tx_retry_count); - p += sprintf(p, "last_rssi=%d\n", sta->last_rssi); - p += sprintf(p, "last_ack_rssi=%d %d %d\n", - sta->last_ack_rssi[0], sta->last_ack_rssi[1], - sta->last_ack_rssi[2]); - if (sta->last_ack) - p += sprintf(p, "last_ack_ms=%d\n", - jiffies_to_msecs(jiffies - sta->last_ack)); - inactive = jiffies - sta->last_rx; - p += sprintf(p, "inactive_msec=%d\n", jiffies_to_msecs(inactive)); - p += sprintf(p, "channel_use=%d\n", sta->channel_use); - p += sprintf(p, "wep_weak_iv_count=%d\n", sta->wep_weak_iv_count); -#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS - p += sprintf(p, "wme_rx_queue="); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) - p += sprintf(p, "%u ", sta->wme_rx_queue[i]); - p += sprintf(p, "\n"); - - p += sprintf(p, "wme_tx_queue="); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) - p += sprintf(p, "%u ", sta->wme_tx_queue[i]); - p += sprintf(p, "\n"); -#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */ - p += sprintf(p, "last_seq_ctrl="); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) { - p += sprintf(p, "%x ", sta->last_seq_ctrl[i]); - } - p += sprintf(p, "\n"); - - p += rate_control_status_sta(local, sta, p); - - return (p - page); -} - - -static int ieee80211_proc_counters_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - struct ieee80211_low_level_stats stats; - - if (off != 0) { - *eof = 1; - return 0; - } - - p += sprintf(p, - "TransmittedFragmentCount=%u\n" - "MulticastTransmittedFrameCount=%u\n" - "FailedCount=%u\n" - "RetryCount=%u\n" - "MultipleRetryCount=%d\n" - "FrameDuplicateCount=%d\n" - "ReceivedFragmentCount=%u\n" - "MulticastReceivedFrameCount=%u\n" - "TransmittedFrameCount=%u\n" - "WEPUndecryptableCount=%u\n", - local->dot11TransmittedFragmentCount, - local->dot11MulticastTransmittedFrameCount, - local->dot11FailedCount, - local->dot11RetryCount, - local->dot11MultipleRetryCount, - local->dot11FrameDuplicateCount, - local->dot11ReceivedFragmentCount, - local->dot11MulticastReceivedFrameCount, - local->dot11TransmittedFrameCount, - local->dot11WEPUndecryptableCount); - - memset(&stats, 0, sizeof(stats)); - if (local->hw->get_stats && - local->hw->get_stats(local->mdev, &stats) == 0) { - p += sprintf(p, - "ACKFailureCount=%u\n" - "RTSFailureCount=%u\n" - "FCSErrorCount=%u\n" - "RTSSuccessCount=%u\n", - stats.dot11ACKFailureCount, - stats.dot11RTSFailureCount, - stats.dot11FCSErrorCount, - stats.dot11RTSSuccessCount); - } - - return (p - page); -} - - -static int ieee80211_proc_debug_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - int i; - - if (off != 0) { - *eof = 1; - return 0; - } - -#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS - p += sprintf(p, - "tx_handlers_drop=%u\n" - "tx_handlers_queued=%u\n" - "tx_handlers_drop_unencrypted=%u\n" - "tx_handlers_drop_fragment=%u\n" - "tx_handlers_drop_wep=%u\n" - "tx_handlers_drop_rate_limit=%u\n" - "tx_handlers_drop_not_assoc=%u\n" - "tx_handlers_drop_unauth_port=%u\n" - "rx_handlers_drop=%u\n" - "rx_handlers_queued=%u\n" - "rx_handlers_drop_nullfunc=%u\n" - "rx_handlers_drop_defrag=%u\n" - "rx_handlers_drop_short=%u\n" - "rx_handlers_drop_passive_scan=%u\n" - "tx_expand_skb_head=%u\n" - "tx_expand_skb_head_cloned=%u\n" - "rx_expand_skb_head=%u\n" - "rx_expand_skb_head2=%u\n" - "rx_handlers_fragments=%u\n" - "tx_status_drop=%u\n", - local->tx_handlers_drop, - local->tx_handlers_queued, - local->tx_handlers_drop_unencrypted, - local->tx_handlers_drop_fragment, - local->tx_handlers_drop_wep, - local->tx_handlers_drop_rate_limit, - local->tx_handlers_drop_not_assoc, - local->tx_handlers_drop_unauth_port, - local->rx_handlers_drop, - local->rx_handlers_queued, - local->rx_handlers_drop_nullfunc, - local->rx_handlers_drop_defrag, - local->rx_handlers_drop_short, - local->rx_handlers_drop_passive_scan, - local->tx_expand_skb_head, - local->tx_expand_skb_head_cloned, - local->rx_expand_skb_head, - local->rx_expand_skb_head2, - local->rx_handlers_fragments, - local->tx_status_drop); - { - int i; - p += sprintf(p, "wme_rx_queue="); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) - p += sprintf(p, " %u", local->wme_rx_queue[i]); - p += sprintf(p, "\n"); - - p += sprintf(p, "wme_tx_queue="); - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) - p += sprintf(p, " %u", local->wme_tx_queue[i]); - p += sprintf(p, "\n"); - } -#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */ - - p += sprintf(p, "num_scans=%u\n", local->scan.num_scans); - - p += sprintf(p, - "conf.bss_count=%d\n" - "bss_dev_count=%u\n", - local->conf.bss_count, local->bss_dev_count); - for (i = 0; i < local->conf.bss_count; i++) { - p += sprintf(p, "bss_dev[%d]=%p (%s)\n", - i, local->bss_devs[i], - (i < local->bss_dev_count && local->bss_devs[i]) ? - local->bss_devs[i]->name : "N/A"); - } - - return (p - page); -} - - -static const char * ieee80211_mode_str_short(int mode) -{ - switch (mode) { - case MODE_IEEE80211A: - return "802.11a"; - case MODE_IEEE80211B: - return "802.11b"; - case MODE_IEEE80211G: - return "802.11g"; - case MODE_ATHEROS_TURBO: - return "AtherosTurbo"; - default: - return "UNKNOWN"; - } -} - - -static const char * ieee80211_mode_str(int mode) -{ - switch (mode) { - case MODE_IEEE80211A: - return "IEEE 802.11a"; - case MODE_IEEE80211B: - return "IEEE 802.11b"; - case MODE_IEEE80211G: - return "IEEE 802.11g"; - case MODE_ATHEROS_TURBO: - return "Atheros Turbo (5 GHz)"; - default: - return "UNKNOWN"; - } -} - - -static int ieee80211_proc_info_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - int m; - struct ieee80211_hw_modes *mode; - - if (off != 0) { - *eof = 1; - return 0; - } - - p += sprintf(p, "hw_name=%s\n", local->hw->name); - p += sprintf(p, "modes="); - for (m = 0; m < local->hw->num_modes; m++) { - mode = &local->hw->modes[m]; - p += sprintf(p, "[%s]", ieee80211_mode_str_short(mode->mode)); - } - p += sprintf(p, "\n"); - if (local->rate_ctrl && local->rate_ctrl_priv) - p+= sprintf(p, "rate_ctrl_alg=%s\n", local->rate_ctrl->name); - return (p - page); -} - - -static int ieee80211_proc_config_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - - if (off != 0) { - *eof = 1; - return 0; - } - - p += sprintf(p, - "low_level_driver=%s\n" - "channel=%d\n" - "freq=%d\n" - "mode=%s\n" - "802.11h=%d\n" - "wep_iv=0x%06x\n" - "antenna_sel=%d\n" - "calib_int=%d\n" - "tx_power_reduction=%d.%d dBm\n" - "bridge_packets=%d\n" - "key_tx_rx_threshold=%d\n" - "rts_threshold=%d\n" - "fragmentation_threshold=%d\n" - "short_retry_limit=%d\n" - "long_retry_limit=%d\n" - "total_ps_buffered=%d\n", - local->hw->name ? local->hw->name : "N/A", - local->conf.channel, - local->conf.freq, - ieee80211_mode_str(local->conf.phymode), - local->conf.radar_detect, - local->wep_iv & 0xffffff, - local->conf.antenna_sel, - local->conf.calib_int, - local->conf.tx_power_reduction / 10, - local->conf.tx_power_reduction % 10, - local->bridge_packets, - local->key_tx_rx_threshold, - local->rts_threshold, - local->fragmentation_threshold, - local->short_retry_limit, - local->long_retry_limit, - local->total_ps_buffered); - - return (p - page); -} - - -static int ieee80211_proc_channels_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - int m, c; - struct ieee80211_hw_modes *mode; - struct ieee80211_channel *chan; - - if (off != 0) { - *eof = 1; - return 0; - } - - p += sprintf(p, "MODE CHAN FREQ TXPOWER ANTMAX FLAGS\n"); - for (m = 0; m < local->hw->num_modes; m++) { - mode = &local->hw->modes[m]; - for (c = 0; c < mode->num_channels; c++) { - chan = &mode->channels[c]; - p += sprintf(p, "%d %d %d %d %d %s%s%s\n", - mode->mode, chan->chan, chan->freq, - chan->power_level, chan->antenna_max, - chan->flag & IEEE80211_CHAN_W_SCAN ? - "[W_SCAN]" : "", - chan->flag & IEEE80211_CHAN_W_ACTIVE_SCAN - ? "[W_ACTIVE_SCAN]" : "", - chan->flag & IEEE80211_CHAN_W_IBSS ? - "[W_IBSS]" : ""); - } - } - return (p - page); -} - - -static int ieee80211_proc_rates_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - int r; - struct ieee80211_rate *rate; - - if (off != 0) { - *eof = 1; - return 0; - } - - p += sprintf(p, "RATE VAL VAL2 MIN_RSSI_ACK MIN_RSSI_ACK_DELTA " - "FLAGS\n"); - for (r = 0; r < local->num_curr_rates; r++) { - rate = &local->curr_rates[r]; - p += sprintf(p, "%d %d %d %d %d 0x%x %s%s%s%s%s%s%s%s\n", - rate->rate, rate->val, rate->val2, - rate->min_rssi_ack, rate->min_rssi_ack_delta, - rate->flags, - rate->flags & IEEE80211_RATE_ERP ? "[ERP]" : "", - rate->flags & IEEE80211_RATE_BASIC ? - "[BASIC]" : "", - rate->flags & IEEE80211_RATE_PREAMBLE2 ? - "[PREAMBLE2]" : "", - rate->flags & IEEE80211_RATE_SUPPORTED ? - "[SUPPORTED]" : "", - rate->flags & IEEE80211_RATE_OFDM ? "[OFDM]" : "", - rate->flags & IEEE80211_RATE_CCK ? "[CCK]" : "", - rate->flags & IEEE80211_RATE_TURBO ? - "[TURBO]" : "", - rate->flags & IEEE80211_RATE_MANDATORY ? - "[MANDATORY]" : ""); - } - return (p - page); -} - - -static int ieee80211_proc_multicast_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *p = page; - struct ieee80211_local *local = (struct ieee80211_local *) data; - - if (off != 0) { - *eof = 1; - return 0; - } - - return rate_control_status_global(local, p); - -} - - -void ieee80211_proc_init_sta(struct ieee80211_local *local, - struct sta_info *sta) -{ - char buf[30]; - struct proc_dir_entry *entry; - - sprintf(buf, MACSTR, MAC2STR(sta->addr)); - - if (!local->proc_sta) - return; - - entry = create_proc_read_entry(buf, 0, local->proc_sta, - ieee80211_proc_sta_read, sta); - if (entry) { - entry->mode &= ~(S_IRWXG | S_IRWXO); - sta->proc_entry_added = 1; - } -} - - -void ieee80211_proc_deinit_sta(struct ieee80211_local *local, - struct sta_info *sta) -{ - char buf[30]; - sprintf(buf, MACSTR, MAC2STR(sta->addr)); - if (local->proc_sta) { - remove_proc_entry(buf, local->proc_sta); - sta->proc_entry_added = 0; - } -} - - -void ieee80211_proc_init_virtual(struct net_device *dev) -{ - struct proc_dir_entry *entry; - struct ieee80211_local *local = (struct ieee80211_local *) dev->priv; - - if (!local->proc_iface) - return; - - entry = create_proc_read_entry(dev->name, 0, local->proc_iface, - ieee80211_proc_iface_read, dev); - if (entry) - entry->mode &= ~(S_IRWXG | S_IRWXO); -} - - -void ieee80211_proc_deinit_virtual(struct net_device *dev) -{ - struct ieee80211_local *local = (struct ieee80211_local *) dev->priv; - - if (local->proc_iface) - remove_proc_entry(dev->name, local->proc_iface); -} - - -void ieee80211_proc_init_interface(struct ieee80211_local *local) -{ - if (!ieee80211_proc) - return; - - local->proc = proc_mkdir(local->wdev->name, ieee80211_proc); - if (!local->proc) - return; - - local->proc_sta = proc_mkdir("sta", local->proc); - local->proc_iface = proc_mkdir("iface", local->proc); - create_proc_read_entry("counters", 0, local->proc, - ieee80211_proc_counters_read, local); - create_proc_read_entry("config", 0, local->proc, - ieee80211_proc_config_read, local); - create_proc_read_entry("channels", 0, local->proc, - ieee80211_proc_channels_read, local); - create_proc_read_entry("rates", 0, local->proc, - ieee80211_proc_rates_read, local); - create_proc_read_entry("multicast", 0, local->proc, - ieee80211_proc_multicast_read, local); - create_proc_read_entry("debug", 0, local->proc, - ieee80211_proc_debug_read, local); - create_proc_read_entry("info", 0, local->proc, - ieee80211_proc_info_read, local); - ieee80211_proc_init_virtual(local->wdev); -} - - -void ieee80211_proc_deinit_interface(struct ieee80211_local *local) -{ - if (!local->proc) - return; - - ieee80211_proc_deinit_virtual(local->wdev); - remove_proc_entry("iface", local->proc); - remove_proc_entry("sta", local->proc); - remove_proc_entry("counters", local->proc); - remove_proc_entry("debug", local->proc); - remove_proc_entry("config", local->proc); - remove_proc_entry("channels", local->proc); - remove_proc_entry("rates", local->proc); - remove_proc_entry("multicast", local->proc); - remove_proc_entry("info", local->proc); - local->proc = NULL; - remove_proc_entry(local->wdev->name, ieee80211_proc); -} - - -void ieee80211_proc_init(void) -{ - if (proc_net == NULL) { - ieee80211_proc = NULL; - return; - } - - ieee80211_proc = proc_mkdir("ieee80211", proc_net); - if (!ieee80211_proc) - printk(KERN_WARNING "Failed to mkdir /proc/net/ieee80211\n"); -} - - -void ieee80211_proc_deinit(void) -{ - if (!ieee80211_proc) - return; - - ieee80211_proc = NULL; - remove_proc_entry("ieee80211", proc_net); -} - -#endif /* CONFIG_PROC_FS */ diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_proc.h b/target/linux/package/ieee80211-dscape/src/ieee80211_proc.h deleted file mode 100644 index a8e49e9763..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_proc.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright 2003-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_PROC_H -#define IEEE80211_PROC_H - -#ifdef CONFIG_PROC_FS - -void ieee80211_proc_init_sta(struct ieee80211_local *local, - struct sta_info *sta); -void ieee80211_proc_deinit_sta(struct ieee80211_local *local, - struct sta_info *sta); -void ieee80211_proc_init_virtual(struct net_device *dev); -void ieee80211_proc_deinit_virtual(struct net_device *dev); -void ieee80211_proc_init_interface(struct ieee80211_local *local); -void ieee80211_proc_deinit_interface(struct ieee80211_local *local); -void ieee80211_proc_init(void); -void ieee80211_proc_deinit(void); - -#else /* CONFIG_PROC_FS */ - -static inline void ieee80211_proc_init_sta(struct ieee80211_local *local, - struct sta_info *sta) {} -static inline void ieee80211_proc_deinit_sta(struct ieee80211_local *local, - struct sta_info *sta) {} -static inline void ieee80211_proc_init_virtual(struct net_device *dev) {} -static inline void ieee80211_proc_deinit_virtual(struct net_device *dev) {} -static inline void -ieee80211_proc_init_interface(struct ieee80211_local *local) {} -static inline void -ieee80211_proc_deinit_interface(struct ieee80211_local *local) {} -static inline void ieee80211_proc_init(void) {} -static inline void ieee80211_proc_deinit(void) {} -#endif /* CONFIG_PROC_FS */ - -#endif /* IEEE80211_PROC_H */ diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_scan.c b/target/linux/package/ieee80211-dscape/src/ieee80211_scan.c deleted file mode 100644 index 7d4effe829..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_scan.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/skbuff.h> - -#include <net/ieee80211.h> -#include "ieee80211_i.h" -#include "rate_control.h" - - -/* Maximum number of seconds to wait for the traffic load to get below - * threshold before forcing a passive scan. */ -#define MAX_SCAN_WAIT 60 -/* Threshold (pkts/sec TX or RX) for delaying passive scan */ -#define SCAN_TXRX_THRESHOLD 75 - -static void get_channel_params(struct ieee80211_local *local, int channel, - struct ieee80211_hw_modes **mode, - struct ieee80211_channel **chan) -{ - int m; - - for (m = 0; m < local->hw->num_modes; m++) { - *mode = &local->hw->modes[m]; - if ((*mode)->mode == local->conf.phymode) - break; - } - local->scan.mode_idx = m; - local->scan.chan_idx = 0; - do { - *chan = &(*mode)->channels[local->scan.chan_idx]; - if ((*chan)->chan == channel) { - return; - } - local->scan.chan_idx++; - } while (local->scan.chan_idx < (*mode)->num_channels); - *chan = NULL; -} - - -static void next_chan_same_mode(struct ieee80211_local *local, - struct ieee80211_hw_modes **mode, - struct ieee80211_channel **chan) -{ - int m, prev; - - for (m = 0; m < local->hw->num_modes; m++) { - *mode = &local->hw->modes[m]; - if ((*mode)->mode == local->conf.phymode) - break; - } - local->scan.mode_idx = m; - - /* Select next channel - scan only channels marked with W_SCAN flag */ - prev = local->scan.chan_idx; - do { - local->scan.chan_idx++; - if (local->scan.chan_idx >= (*mode)->num_channels) - local->scan.chan_idx = 0; - *chan = &(*mode)->channels[local->scan.chan_idx]; - if ((*chan)->flag & IEEE80211_CHAN_W_SCAN) - break; - } while (local->scan.chan_idx != prev); -} - - -static void next_chan_all_modes(struct ieee80211_local *local, - struct ieee80211_hw_modes **mode, - struct ieee80211_channel **chan) -{ - int prev, prev_m; - - if (local->scan.mode_idx >= local->hw->num_modes) { - local->scan.mode_idx = 0; - local->scan.chan_idx = 0; - } - - /* Select next channel - scan only channels marked with W_SCAN flag */ - prev = local->scan.chan_idx; - prev_m = local->scan.mode_idx; - do { - *mode = &local->hw->modes[local->scan.mode_idx]; - local->scan.chan_idx++; - if (local->scan.chan_idx >= (*mode)->num_channels) { - local->scan.chan_idx = 0; - local->scan.mode_idx++; - if (local->scan.mode_idx >= local->hw->num_modes) - local->scan.mode_idx = 0; - *mode = &local->hw->modes[local->scan.mode_idx]; - } - *chan = &(*mode)->channels[local->scan.chan_idx]; - if ((*chan)->flag & IEEE80211_CHAN_W_SCAN) - break; - } while (local->scan.chan_idx != prev || - local->scan.mode_idx != prev_m); -} - - -static void ieee80211_scan_start(struct net_device *dev, - struct ieee80211_scan_conf *conf) -{ - struct ieee80211_local *local = dev->priv; - int old_mode_idx = local->scan.mode_idx; - int old_chan_idx = local->scan.chan_idx; - struct ieee80211_hw_modes *mode = NULL; - struct ieee80211_channel *chan = NULL; - int ret; - - if (local->hw->passive_scan == 0) { - printk(KERN_DEBUG "%s: Scan handler called, yet the hardware " - "does not support passive scanning. Disabled.\n", - dev->name); - return; - } - - if ((local->scan.tries < MAX_SCAN_WAIT && - local->scan.txrx_count > SCAN_TXRX_THRESHOLD)) { - local->scan.tries++; - /* Count TX/RX packets during one second interval and allow - * scan to start only if the number of packets is below the - * threshold. */ - local->scan.txrx_count = 0; - local->scan.timer.expires = jiffies + HZ; - add_timer(&local->scan.timer); - return; - } - - if (local->scan.skb == NULL) { - printk(KERN_DEBUG "%s: Scan start called even though scan.skb " - "is not set\n", dev->name); - } - - if (local->scan.our_mode_only) { - if (local->scan.channel > 0) { - get_channel_params(local, local->scan.channel, &mode, - &chan); - } else - next_chan_same_mode(local, &mode, &chan); - } - else - next_chan_all_modes(local, &mode, &chan); - - conf->scan_channel = chan->chan; - conf->scan_freq = chan->freq; - conf->scan_channel_val = chan->val; - conf->scan_phymode = mode->mode; - conf->scan_power_level = chan->power_level; - conf->scan_antenna_max = chan->antenna_max; - conf->scan_time = 2 * local->hw->channel_change_time + - local->scan.time; /* 10ms scan time+hardware changes */ - conf->skb = local->scan.skb ? - skb_clone(local->scan.skb, GFP_ATOMIC) : NULL; - conf->tx_control = &local->scan.tx_control; -#if 0 - printk(KERN_DEBUG "%s: Doing scan on mode: %d freq: %d chan: %d " - "for %d ms\n", - dev->name, conf->scan_phymode, conf->scan_freq, - conf->scan_channel, conf->scan_time); -#endif - local->scan.rx_packets = 0; - local->scan.rx_beacon = 0; - local->scan.freq = chan->freq; - local->scan.in_scan = 1; - - ieee80211_netif_oper(dev, NETIF_STOP); - - ret = local->hw->passive_scan(dev, IEEE80211_SCAN_START, conf); - - if (ret == 0) { - long usec = local->hw->channel_change_time + - local->scan.time; - usec += 1000000L / HZ - 1; - usec /= 1000000L / HZ; - local->scan.timer.expires = jiffies + usec; - } else { - local->scan.in_scan = 0; - if (conf->skb) - dev_kfree_skb(conf->skb); - ieee80211_netif_oper(dev, NETIF_WAKE); - if (ret == -EAGAIN) { - local->scan.timer.expires = jiffies + - (local->scan.interval * HZ / 100); - local->scan.mode_idx = old_mode_idx; - local->scan.chan_idx = old_chan_idx; - } else { - printk(KERN_DEBUG "%s: Got unknown error from " - "passive_scan %d\n", dev->name, ret); - local->scan.timer.expires = jiffies + - (local->scan.interval * HZ); - } - local->scan.in_scan = 0; - } - - add_timer(&local->scan.timer); -} - - -static void ieee80211_scan_stop(struct net_device *dev, - struct ieee80211_scan_conf *conf) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_hw_modes *mode; - struct ieee80211_channel *chan; - int wait; - - if (local->hw->passive_scan == NULL) - return; - - if (local->scan.mode_idx >= local->hw->num_modes) { - local->scan.mode_idx = 0; - local->scan.chan_idx = 0; - } - - mode = &local->hw->modes[local->scan.mode_idx]; - - if (local->scan.chan_idx >= mode->num_channels) { - local->scan.chan_idx = 0; - } - - chan = &mode->channels[local->scan.chan_idx]; - - local->hw->passive_scan(dev, IEEE80211_SCAN_END, conf); - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Did scan on mode: %d freq: %d chan: %d " - "GOT: %d Beacon: %d (%d)\n", - dev->name, - mode->mode, chan->freq, chan->chan, - local->scan.rx_packets, local->scan.rx_beacon, - local->scan.tries); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - local->scan.num_scans++; - - local->scan.in_scan = 0; - ieee80211_netif_oper(dev, NETIF_WAKE); - - local->scan.tries = 0; - /* Use random interval of scan.interval .. 2 * scan.interval */ - wait = (local->scan.interval * HZ * ((net_random() & 127) + 128)) / - 128; - local->scan.timer.expires = jiffies + wait; - - add_timer(&local->scan.timer); -} - - -static void ieee80211_scan_handler(unsigned long uldev) -{ - struct net_device *dev = (struct net_device *) uldev; - struct ieee80211_local *local = dev->priv; - struct ieee80211_scan_conf conf; - - if (local->scan.interval == 0 && !local->scan.in_scan) { - /* Passive scanning is disabled - keep the timer always - * running to make code cleaner. */ - local->scan.timer.expires = jiffies + 10 * HZ; - add_timer(&local->scan.timer); - return; - } - - memset(&conf, 0, sizeof(struct ieee80211_scan_conf)); - conf.running_freq = local->conf.freq; - conf.running_channel = local->conf.channel; - conf.running_phymode = local->conf.phymode; - conf.running_channel_val = local->conf.channel_val; - conf.running_power_level = local->conf.power_level; - conf.running_antenna_max = local->conf.antenna_max; - - if (local->scan.in_scan == 0) - ieee80211_scan_start(dev, &conf); - else - ieee80211_scan_stop(dev, &conf); -} - - -void ieee80211_init_scan(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_hdr hdr; - u16 fc; - int len = 10; - struct rate_control_extra extra; - - /* Only initialize passive scanning if the hardware supports it */ - if (!local->hw->passive_scan) { - local->scan.skb = NULL; - memset(&local->scan.tx_control, 0, - sizeof(local->scan.tx_control)); - printk(KERN_DEBUG "%s: Does not support passive scan, " - "disabled\n", dev->name); - return; - } - - local->scan.interval = 0; - local->scan.our_mode_only = 1; - local->scan.time = 10000; - local->scan.timer.function = ieee80211_scan_handler; - local->scan.timer.data = (unsigned long) dev; - local->scan.timer.expires = jiffies + local->scan.interval * HZ; - add_timer(&local->scan.timer); - - /* Create a CTS from for broadcasting before - * the low level changes channels */ - local->scan.skb = alloc_skb(len, GFP_KERNEL); - if (local->scan.skb == NULL) { - printk(KERN_WARNING "%s: Failed to allocate CTS packet for " - "passive scan\n", dev->name); - return; - } - - fc = (WLAN_FC_TYPE_CTRL << 2) | (WLAN_FC_STYPE_CTS << 4); - hdr.frame_control = cpu_to_le16(fc); - hdr.duration_id = - cpu_to_le16(2 * local->hw->channel_change_time + - local->scan.time); - memcpy(hdr.addr1, dev->dev_addr, ETH_ALEN); /* DA */ - hdr.seq_ctrl = 0; - - memcpy(skb_put(local->scan.skb, len), &hdr, len); - - memset(&local->scan.tx_control, 0, sizeof(local->scan.tx_control)); - local->scan.tx_control.key_idx = HW_KEY_IDX_INVALID; - local->scan.tx_control.do_not_encrypt = 1; - memset(&extra, 0, sizeof(extra)); - extra.endidx = local->num_curr_rates; - local->scan.tx_control.tx_rate = - rate_control_get_rate(dev, local->scan.skb, &extra)->val; - local->scan.tx_control.no_ack = 1; -} - - -void ieee80211_stop_scan(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - - if (local->hw->passive_scan != 0) { - del_timer_sync(&local->scan.timer); - dev_kfree_skb(local->scan.skb); - local->scan.skb = NULL; - } -} diff --git a/target/linux/package/ieee80211-dscape/src/ieee80211_sta.c b/target/linux/package/ieee80211-dscape/src/ieee80211_sta.c deleted file mode 100644 index be73032354..0000000000 --- a/target/linux/package/ieee80211-dscape/src/ieee80211_sta.c +++ /dev/null @@ -1,2868 +0,0 @@ -/* - * BSS client mode implementation - * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi> - * Copyright 2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* TODO: - * BSS table: use <BSSID,SSID> as the key to support multi-SSID APs - * order BSS list by RSSI(?) ("quality of AP") - * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE, - * SSID) - */ -#include <linux/config.h> -#include <linux/version.h> -#include <linux/if_ether.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/wireless.h> -#include <linux/random.h> -#include <net/iw_handler.h> -#include <asm/types.h> -#include <asm/delay.h> - -#include <net/ieee80211.h> -#include <net/ieee80211_mgmt.h> -#include "ieee80211_i.h" -#include "rate_control.h" -#include "hostapd_ioctl.h" - -/* #define IEEE80211_IBSS_DEBUG */ - -#define IEEE80211_AUTH_TIMEOUT (HZ / 5) -#define IEEE80211_AUTH_MAX_TRIES 3 -#define IEEE80211_ASSOC_TIMEOUT (HZ / 5) -#define IEEE80211_ASSOC_MAX_TRIES 3 -#define IEEE80211_MONITORING_INTERVAL (2 * HZ) -#define IEEE80211_PROBE_INTERVAL (60 * HZ) -#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ) -#define IEEE80211_SCAN_INTERVAL (2 * HZ) -#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ) -#define IEEE80211_IBSS_JOIN_TIMEOUT (20 * HZ) - -#define IEEE80211_PROBE_DELAY (HZ / 33) -#define IEEE80211_CHANNEL_TIME (HZ / 33) -#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5) -#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) -#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ) -#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ) - -#define IEEE80211_IBSS_MAX_STA_ENTRIES 128 - - -#define IEEE80211_FC(type, stype) cpu_to_le16((type << 2) | (stype << 4)) - -#define ERP_INFO_USE_PROTECTION BIT(1) - -static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, - u8 *ssid, size_t ssid_len); -static struct ieee80211_sta_bss * -ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid); -static void ieee80211_rx_bss_put(struct net_device *dev, - struct ieee80211_sta_bss *bss); -static int ieee80211_sta_find_ibss(struct net_device *dev, - struct ieee80211_if_sta *ifsta); -static int ieee80211_sta_wep_configured(struct net_device *dev); - - -/* Parsed Information Elements */ -struct ieee802_11_elems { - u8 *ssid; - u8 ssid_len; - u8 *supp_rates; - u8 supp_rates_len; - u8 *fh_params; - u8 fh_params_len; - u8 *ds_params; - u8 ds_params_len; - u8 *cf_params; - u8 cf_params_len; - u8 *tim; - u8 tim_len; - u8 *ibss_params; - u8 ibss_params_len; - u8 *challenge; - u8 challenge_len; - u8 *wpa; - u8 wpa_len; - u8 *rsn; - u8 rsn_len; - u8 *erp_info; - u8 erp_info_len; - u8 *ext_supp_rates; - u8 ext_supp_rates_len; - u8 *wmm_info; - u8 wmm_info_len; - u8 *wmm_param; - u8 wmm_param_len; -}; - -typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; - - -static ParseRes ieee802_11_parse_elems(u8 *start, size_t len, - struct ieee802_11_elems *elems) -{ - size_t left = len; - u8 *pos = start; - int unknown = 0; - - memset(elems, 0, sizeof(*elems)); - - while (left >= 2) { - u8 id, elen; - - id = *pos++; - elen = *pos++; - left -= 2; - - if (elen > left) { -#if 0 - if (net_ratelimit()) - printk(KERN_DEBUG "IEEE 802.11 element parse " - "failed (id=%d elen=%d left=%d)\n", - id, elen, left); -#endif - return ParseFailed; - } - - switch (id) { - case WLAN_EID_SSID: - elems->ssid = pos; - elems->ssid_len = elen; - break; - case WLAN_EID_SUPP_RATES: - elems->supp_rates = pos; - elems->supp_rates_len = elen; - break; - case WLAN_EID_FH_PARAMS: - elems->fh_params = pos; - elems->fh_params_len = elen; - break; - case WLAN_EID_DS_PARAMS: - elems->ds_params = pos; - elems->ds_params_len = elen; - break; - case WLAN_EID_CF_PARAMS: - elems->cf_params = pos; - elems->cf_params_len = elen; - break; - case WLAN_EID_TIM: - elems->tim = pos; - elems->tim_len = elen; - break; - case WLAN_EID_IBSS_PARAMS: - elems->ibss_params = pos; - elems->ibss_params_len = elen; - break; - case WLAN_EID_CHALLENGE: - elems->challenge = pos; - elems->challenge_len = elen; - break; - case WLAN_EID_WPA: - if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 && - pos[2] == 0xf2) { - /* Microsoft OUI (00:50:F2) */ - if (pos[3] == 1) { - /* OUI Type 1 - WPA IE */ - elems->wpa = pos; - elems->wpa_len = elen; - } else if (elen >= 5 && pos[3] == 2) { - if (pos[4] == 0) { - elems->wmm_info = pos; - elems->wmm_info_len = elen; - } else if (pos[4] == 1) { - elems->wmm_param = pos; - elems->wmm_param_len = elen; - } - } - } - break; - case WLAN_EID_RSN: - elems->rsn = pos; - elems->rsn_len = elen; - break; - case WLAN_EID_ERP_INFO: - elems->erp_info = pos; - elems->erp_info_len = elen; - break; - case WLAN_EID_EXT_SUPP_RATES: - elems->ext_supp_rates = pos; - elems->ext_supp_rates_len = elen; - break; - default: -#if 0 - printk(KERN_DEBUG "IEEE 802.11 element parse ignored " - "unknown element (id=%d elen=%d)\n", - id, elen); -#endif - unknown++; - break; - } - - left -= elen; - pos += elen; - } - - if (left) - return ParseFailed; - - return unknown ? ParseUnknown : ParseOK; -} - - - - -static int ecw2cw(int ecw) -{ - int cw = 1; - while (ecw > 0) { - cw <<= 1; - ecw--; - } - return cw - 1; -} - - -static void ieee80211_sta_wmm_params(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - u8 *wmm_param, size_t wmm_param_len) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_tx_queue_params params; - size_t left; - int count; - u8 *pos; - - if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1) - return; - count = wmm_param[6] & 0x0f; - if (count == ifsta->wmm_last_param_set) - return; - ifsta->wmm_last_param_set = count; - - pos = wmm_param + 8; - left = wmm_param_len - 8; - - memset(¶ms, 0, sizeof(params)); - - if (local->hw->conf_tx == NULL) - return; - - local->wmm_acm = 0; - for (; left >= 4; left -= 4, pos += 4) { - int aci = (pos[0] >> 5) & 0x03; - int acm = (pos[0] >> 4) & 0x01; - int queue; - - switch (aci) { - case 1: - queue = IEEE80211_TX_QUEUE_DATA3; - if (acm) { - local->wmm_acm |= BIT(1) | BIT(2); - } - break; - case 2: - queue = IEEE80211_TX_QUEUE_DATA1; - if (acm) { - local->wmm_acm |= BIT(4) | BIT(5); - } - break; - case 3: - queue = IEEE80211_TX_QUEUE_DATA0; - if (acm) { - local->wmm_acm |= BIT(6) | BIT(7); - } - break; - case 0: - default: - queue = IEEE80211_TX_QUEUE_DATA2; - if (acm) { - local->wmm_acm |= BIT(0) | BIT(3); - } - break; - } - - params.aifs = pos[0] & 0x0f; - params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4); - params.cw_min = ecw2cw(pos[1] & 0x0f); - /* TXOP is in units of 32 usec; burst_time in 0.1 ms */ - params.burst_time = (pos[2] | (pos[3] << 8)) * 32 / 100; - printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d " - "cWmin=%d cWmax=%d burst=%d\n", - dev->name, queue, aci, acm, params.aifs, params.cw_min, - params.cw_max, params.burst_time); - /* TODO: handle ACM (block TX, fallback to next lowest allowed - * AC for now) */ - if (local->hw->conf_tx(local->mdev, queue, ¶ms)) { - printk(KERN_DEBUG "%s: failed to set TX queue " - "parameters for queue %d\n", dev->name, queue); - } - } -} - - -static void ieee80211_sta_send_associnfo(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - char *buf; - size_t len; - int i; - union iwreq_data wrqu; - - if (ifsta->assocreq_ies == NULL && ifsta->assocresp_ies == NULL) - return; - - buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len + - ifsta->assocresp_ies_len), GFP_ATOMIC); - if (buf == NULL) - return; - - len = sprintf(buf, "ASSOCINFO("); - if (ifsta->assocreq_ies) { - len += sprintf(buf + len, "ReqIEs="); - for (i = 0; i < ifsta->assocreq_ies_len; i++) { - len += sprintf(buf + len, "%02x", - ifsta->assocreq_ies[i]); - } - } - if (ifsta->assocresp_ies) { - if (ifsta->assocreq_ies) - len += sprintf(buf + len, " "); - len += sprintf(buf + len, "RespIEs="); - for (i = 0; i < ifsta->assocresp_ies_len; i++) { - len += sprintf(buf + len, "%02x", - ifsta->assocresp_ies[i]); - } - } - len += sprintf(buf + len, ")"); - - if (len > IW_CUSTOM_MAX) { - len = sprintf(buf, "ASSOCRESPIE="); - for (i = 0; i < ifsta->assocresp_ies_len; i++) { - len += sprintf(buf + len, "%02x", - ifsta->assocresp_ies[i]); - } - } - - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = len; - wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); - - kfree(buf); -} - - -static void ieee80211_set_associated(struct net_device *dev, - struct ieee80211_if_sta *ifsta, int assoc) -{ - union iwreq_data wrqu; - - if (ifsta->associated == assoc) - return; - - ifsta->associated = assoc; - - if (assoc) { - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - return; - ifsta->prev_bssid_set = 1; - memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN); - memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN); - ieee80211_sta_send_associnfo(dev, ifsta); - } else { - memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); - } - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); - ifsta->last_probe = jiffies; -} - - -static void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, - int encrypt, int probe_resp) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_tx_packet_data *pkt_data; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - skb->dev = sdata->master; - skb->mac.raw = skb->nh.raw = skb->h.raw = skb->data; - - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->magic = IEEE80211_CB_MAGIC; - pkt_data->sdata = sdata; - pkt_data->control.do_not_encrypt = !encrypt; - if (probe_resp) - pkt_data->control.pkt_type = PKT_PROBE_RESP; - - dev_queue_xmit(skb); -} - - -static void ieee80211_send_auth(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - int transaction, u8 *extra, size_t extra_len, - int encrypt) -{ - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - - skb = dev_alloc_skb(sizeof(*mgmt) + 6 + extra_len); - if (skb == NULL) { - printk(KERN_DEBUG "%s: failed to allocate buffer for auth " - "frame\n", dev->name); - return; - } - - mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6); - memset(mgmt, 0, 24 + 6); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_AUTH); - if (encrypt) - mgmt->frame_control |= cpu_to_le16(WLAN_FC_ISWEP); - memcpy(mgmt->da, ifsta->bssid, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); - mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg); - mgmt->u.auth.auth_transaction = cpu_to_le16(transaction); - ifsta->auth_transaction = transaction + 1; - mgmt->u.auth.status_code = cpu_to_le16(0); - if (extra) - memcpy(skb_put(skb, extra_len), extra, extra_len); - - ieee80211_sta_tx(dev, skb, encrypt, 0); -} - - -static void ieee80211_authenticate(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - ifsta->auth_tries++; - if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) { - printk(KERN_DEBUG "%s: authentication with AP " MACSTR - " timed out\n", - dev->name, MAC2STR(ifsta->bssid)); - return; - } - - ifsta->state = IEEE80211_AUTHENTICATE; - printk(KERN_DEBUG "%s: authenticate with AP " MACSTR "\n", - dev->name, MAC2STR(ifsta->bssid)); - - ieee80211_send_auth(dev, ifsta, 1, NULL, 0, 0); - - mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT); -} - - -static void ieee80211_send_assoc(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - struct ieee80211_local *local = dev->priv; - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - u8 *pos, *ies; - int i, len; - u16 capab; - struct ieee80211_sta_bss *bss; - int wmm = 0; - - skb = dev_alloc_skb(sizeof(*mgmt) + 200 + ifsta->extra_ie_len + - ifsta->ssid_len); - if (skb == NULL) { - printk(KERN_DEBUG "%s: failed to allocate buffer for assoc " - "frame\n", dev->name); - return; - } - - capab = ifsta->capab; - if (local->conf.phymode == MODE_IEEE80211G) { - capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME | - WLAN_CAPABILITY_SHORT_PREAMBLE; - } - bss = ieee80211_rx_bss_get(dev, ifsta->bssid); - if (bss) { - if (bss->capability & WLAN_CAPABILITY_PRIVACY) - capab |= WLAN_CAPABILITY_PRIVACY; - if (bss->wmm_ie) { - wmm = 1; - } - ieee80211_rx_bss_put(dev, bss); - } - - mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); - memset(mgmt, 0, 24); - memcpy(mgmt->da, ifsta->bssid, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); - - if (ifsta->prev_bssid_set) { - skb_put(skb, 10); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_REASSOC_REQ); - mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab); - mgmt->u.reassoc_req.listen_interval = cpu_to_le16(1); - memcpy(mgmt->u.reassoc_req.current_ap, ifsta->prev_bssid, - ETH_ALEN); - } else { - skb_put(skb, 4); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_ASSOC_REQ); - mgmt->u.assoc_req.capab_info = cpu_to_le16(capab); - mgmt->u.assoc_req.listen_interval = cpu_to_le16(1); - } - - /* SSID */ - ies = pos = skb_put(skb, 2 + ifsta->ssid_len); - *pos++ = WLAN_EID_SSID; - *pos++ = ifsta->ssid_len; - memcpy(pos, ifsta->ssid, ifsta->ssid_len); - - len = local->num_curr_rates; - if (len > 8) - len = 8; - pos = skb_put(skb, len + 2); - *pos++ = WLAN_EID_SUPP_RATES; - *pos++ = len; - for (i = 0; i < len; i++) { - int rate = local->curr_rates[i].rate; - if (local->conf.phymode == MODE_ATHEROS_TURBO) - rate /= 2; - *pos++ = (u8) (rate / 5); - } - - if (local->num_curr_rates > len) { - pos = skb_put(skb, local->num_curr_rates - len + 2); - *pos++ = WLAN_EID_EXT_SUPP_RATES; - *pos++ = local->num_curr_rates - len; - for (i = len; i < local->num_curr_rates; i++) { - int rate = local->curr_rates[i].rate; - if (local->conf.phymode == MODE_ATHEROS_TURBO) - rate /= 2; - *pos++ = (u8) (rate / 5); - } - } - - if (ifsta->extra_ie) { - pos = skb_put(skb, ifsta->extra_ie_len); - memcpy(pos, ifsta->extra_ie, ifsta->extra_ie_len); - } - - if (wmm && ifsta->wmm_enabled) { - pos = skb_put(skb, 9); - *pos++ = WLAN_EID_VENDOR_SPECIFIC; - *pos++ = 7; /* len */ - *pos++ = 0x00; /* Microsoft OUI 00:50:F2 */ - *pos++ = 0x50; - *pos++ = 0xf2; - *pos++ = 2; /* WME */ - *pos++ = 0; /* WME info */ - *pos++ = 1; /* WME ver */ - *pos++ = 0; - } - - kfree(ifsta->assocreq_ies); - ifsta->assocreq_ies_len = (skb->data + skb->len) - ies; - ifsta->assocreq_ies = kmalloc(ifsta->assocreq_ies_len, GFP_ATOMIC); - if (ifsta->assocreq_ies) - memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len); - - ieee80211_sta_tx(dev, skb, 0, 0); -} - - -static void ieee80211_send_deauth(struct net_device *dev, - struct ieee80211_if_sta *ifsta, u16 reason) -{ - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - - skb = dev_alloc_skb(sizeof(*mgmt)); - if (skb == NULL) { - printk(KERN_DEBUG "%s: failed to allocate buffer for deauth " - "frame\n", dev->name); - return; - } - - mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); - memset(mgmt, 0, 24); - memcpy(mgmt->da, ifsta->bssid, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_DEAUTH); - skb_put(skb, 2); - mgmt->u.deauth.reason_code = cpu_to_le16(reason); - - ieee80211_sta_tx(dev, skb, 0, 0); -} - - -static void ieee80211_send_disassoc(struct net_device *dev, - struct ieee80211_if_sta *ifsta, u16 reason) -{ - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - - skb = dev_alloc_skb(sizeof(*mgmt)); - if (skb == NULL) { - printk(KERN_DEBUG "%s: failed to allocate buffer for disassoc " - "frame\n", dev->name); - return; - } - - mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); - memset(mgmt, 0, 24); - memcpy(mgmt->da, ifsta->bssid, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_DISASSOC); - skb_put(skb, 2); - mgmt->u.disassoc.reason_code = cpu_to_le16(reason); - - ieee80211_sta_tx(dev, skb, 0, 0); -} - - -static int ieee80211_privacy_mismatch(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - struct ieee80211_sta_bss *bss; - int res = 0; - - if (ifsta == NULL || ifsta->mixed_cell || - ifsta->key_mgmt != IEEE80211_KEY_MGMT_NONE) - return 0; - - bss = ieee80211_rx_bss_get(dev, ifsta->bssid); - if (bss == NULL) - return 0; - - if (ieee80211_sta_wep_configured(dev) != - !!(bss->capability & WLAN_CAPABILITY_PRIVACY)) - res = 1; - - ieee80211_rx_bss_put(dev, bss); - - return res; -} - - -static void ieee80211_associate(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - ifsta->assoc_tries++; - if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) { - printk(KERN_DEBUG "%s: association with AP " MACSTR - " timed out\n", - dev->name, MAC2STR(ifsta->bssid)); - return; - } - - ifsta->state = IEEE80211_ASSOCIATE; - printk(KERN_DEBUG "%s: associate with AP " MACSTR "\n", - dev->name, MAC2STR(ifsta->bssid)); - if (ieee80211_privacy_mismatch(dev, ifsta)) { - printk(KERN_DEBUG "%s: mismatch in privacy configuration and " - "mixed-cell disabled - abort association\n", dev->name); - return; - } - - ieee80211_send_assoc(dev, ifsta); - - mod_timer(&ifsta->timer, jiffies + IEEE80211_ASSOC_TIMEOUT); -} - - -static void ieee80211_associated(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - int disassoc; - - /* TODO: start monitoring current AP signal quality and number of - * missed beacons. Scan other channels every now and then and search - * for better APs. */ - /* TODO: remove expired BSSes */ - - ifsta->state = IEEE80211_ASSOCIATED; - - sta = sta_info_get(local, ifsta->bssid); - if (sta == NULL) { - printk(KERN_DEBUG "%s: No STA entry for own AP " MACSTR "\n", - dev->name, MAC2STR(ifsta->bssid)); - disassoc = 1; - } else { - disassoc = 0; - if (time_after(jiffies, - sta->last_rx + IEEE80211_MONITORING_INTERVAL)) { - if (ifsta->probereq_poll) { - printk(KERN_DEBUG "%s: No ProbeResp from " - "current AP " MACSTR " - assume out of " - "range\n", - dev->name, MAC2STR(ifsta->bssid)); - disassoc = 1; - } else { - ieee80211_send_probe_req(dev, ifsta->bssid, - local->scan_ssid, - local->scan_ssid_len); - ifsta->probereq_poll = 1; - } - } else { - ifsta->probereq_poll = 0; - if (time_after(jiffies, ifsta->last_probe + - IEEE80211_PROBE_INTERVAL)) { - ifsta->last_probe = jiffies; - ieee80211_send_probe_req(dev, ifsta->bssid, - ifsta->ssid, - ifsta->ssid_len); - } - } - sta_info_release(local, sta); - } - if (disassoc) { - union iwreq_data wrqu; - memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); - mod_timer(&ifsta->timer, - jiffies + IEEE80211_MONITORING_INTERVAL + 30 * HZ); - } else { - mod_timer(&ifsta->timer, - jiffies + IEEE80211_MONITORING_INTERVAL); - } -} - - -static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, - u8 *ssid, size_t ssid_len) -{ - struct ieee80211_local *local = dev->priv; - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - u8 *pos, *supp_rates, *esupp_rates = NULL; - int i; - - skb = dev_alloc_skb(sizeof(*mgmt) + 200); - if (skb == NULL) { - printk(KERN_DEBUG "%s: failed to allocate buffer for probe " - "request\n", dev->name); - return; - } - - mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); - memset(mgmt, 0, 24); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_PROBE_REQ); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - if (dst) { - memcpy(mgmt->da, dst, ETH_ALEN); - memcpy(mgmt->bssid, dst, ETH_ALEN); - } else { - memset(mgmt->da, 0xff, ETH_ALEN); - memset(mgmt->bssid, 0xff, ETH_ALEN); - } - pos = skb_put(skb, 2 + ssid_len); - *pos++ = WLAN_EID_SSID; - *pos++ = ssid_len; - memcpy(pos, ssid, ssid_len); - - supp_rates = skb_put(skb, 2); - supp_rates[0] = WLAN_EID_SUPP_RATES; - supp_rates[1] = 0; - for (i = 0; i < local->num_curr_rates; i++) { - struct ieee80211_rate *rate = &local->curr_rates[i]; - if (!(rate->flags & IEEE80211_RATE_SUPPORTED)) - continue; - if (esupp_rates) { - pos = skb_put(skb, 1); - esupp_rates[1]++; - } else if (supp_rates[1] == 8) { - esupp_rates = skb_put(skb, 3); - esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES; - esupp_rates[1] = 1; - pos = &esupp_rates[2]; - } else { - pos = skb_put(skb, 1); - supp_rates[1]++; - } - if (local->conf.phymode == MODE_ATHEROS_TURBO) - *pos = rate->rate / 10; - else - *pos = rate->rate / 5; - } - - ieee80211_sta_tx(dev, skb, 0, 0); -} - - -static int ieee80211_sta_wep_configured(struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata == NULL || sdata->default_key == NULL || - sdata->default_key->alg != ALG_WEP) - return 0; - return 1; -} - - -static void ieee80211_auth_completed(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - printk(KERN_DEBUG "%s: authenticated\n", dev->name); - ifsta->authenticated = 1; - ieee80211_associate(dev, ifsta); -} - - -static void ieee80211_auth_challenge(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - u8 *pos; - struct ieee802_11_elems elems; - - printk(KERN_DEBUG "%s: replying to auth challenge\n", dev->name); - pos = mgmt->u.auth.variable; - if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems) - == ParseFailed) { - printk(KERN_DEBUG "%s: failed to parse Auth(challenge)\n", - dev->name); - return; - } - if (elems.challenge == NULL) { - printk(KERN_DEBUG "%s: no challenge IE in shared key auth " - "frame\n", dev->name); - return; - } - ieee80211_send_auth(dev, ifsta, 3, elems.challenge - 2, - elems.challenge_len + 2, 1); -} - - -static void ieee80211_rx_mgmt_auth(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - struct ieee80211_local *local = dev->priv; - u16 auth_alg, auth_transaction, status_code; - - if (ifsta->state != IEEE80211_AUTHENTICATE && - local->conf.mode != IW_MODE_ADHOC) { - printk(KERN_DEBUG "%s: authentication frame received from " - MACSTR ", but not in authenticate state - ignored\n", - dev->name, MAC2STR(mgmt->sa)); - return; - } - - if (len < 24 + 6) { - printk(KERN_DEBUG "%s: too short (%zd) authentication frame " - "received from " MACSTR " - ignored\n", - dev->name, len, MAC2STR(mgmt->sa)); - return; - } - - if (local->conf.mode != IW_MODE_ADHOC && - memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { - printk(KERN_DEBUG "%s: authentication frame received from " - "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - " - "ignored\n", dev->name, MAC2STR(mgmt->sa), - MAC2STR(mgmt->bssid)); - return; - } - - if (local->conf.mode == IW_MODE_ADHOC && - memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0) { - printk(KERN_DEBUG "%s: authentication frame received from " - "unknown BSSID (SA=" MACSTR " BSSID=" MACSTR ") - " - "ignored\n", dev->name, MAC2STR(mgmt->sa), - MAC2STR(mgmt->bssid)); - return; - } - - auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg); - auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction); - status_code = le16_to_cpu(mgmt->u.auth.status_code); - - printk(KERN_DEBUG "%s: RX authentication from " MACSTR " (alg=%d " - "transaction=%d status=%d)\n", - dev->name, MAC2STR(mgmt->sa), auth_alg, - auth_transaction, status_code); - - if (local->conf.mode == IW_MODE_ADHOC) { - /* IEEE 802.11 standard does not require authentication in IBSS - * networks and most implementations do not seem to use it. - * However, try to reply to authentication attempts if someone - * has actually implemented this. - * TODO: Could implement shared key authentication. */ - if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1) { - printk(KERN_DEBUG "%s: unexpected IBSS authentication " - "frame (alg=%d transaction=%d)\n", - dev->name, auth_alg, auth_transaction); - return; - } - ieee80211_send_auth(dev, ifsta, 2, NULL, 0, 0); - } - - if (auth_alg != ifsta->auth_alg || - auth_transaction != ifsta->auth_transaction) { - printk(KERN_DEBUG "%s: unexpected authentication frame " - "(alg=%d transaction=%d)\n", - dev->name, auth_alg, auth_transaction); - return; - } - - if (status_code != WLAN_STATUS_SUCCESS) { - printk(KERN_DEBUG "%s: AP denied authentication (auth_alg=%d " - "code=%d)\n", dev->name, ifsta->auth_alg, status_code); - if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) { - const int num_algs = 3; - u8 algs[num_algs]; - int i, pos; - algs[0] = algs[1] = algs[2] = 0xff; - if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN) - algs[0] = WLAN_AUTH_OPEN; - if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY) - algs[1] = WLAN_AUTH_SHARED_KEY; - if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP) - algs[2] = WLAN_AUTH_LEAP; - if (ifsta->auth_alg == WLAN_AUTH_OPEN) - pos = 0; - else if (ifsta->auth_alg == WLAN_AUTH_SHARED_KEY) - pos = 1; - else - pos = 2; - for (i = 0; i < num_algs; i++) { - pos++; - if (pos >= num_algs) - pos = 0; - if (algs[pos] == ifsta->auth_alg || - algs[pos] == 0xff) - continue; - if (algs[pos] == WLAN_AUTH_SHARED_KEY && - !ieee80211_sta_wep_configured(dev)) - continue; - ifsta->auth_alg = algs[pos]; - printk(KERN_DEBUG "%s: set auth_alg=%d for " - "next try\n", - dev->name, ifsta->auth_alg); - break; - } - } - return; - } - - switch (ifsta->auth_alg) { - case WLAN_AUTH_OPEN: - case WLAN_AUTH_LEAP: - ieee80211_auth_completed(dev, ifsta); - break; - case WLAN_AUTH_SHARED_KEY: - if (ifsta->auth_transaction == 4) - ieee80211_auth_completed(dev, ifsta); - else - ieee80211_auth_challenge(dev, ifsta, mgmt, len, - rx_status); - break; - } -} - - -static void ieee80211_rx_mgmt_deauth(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - u16 reason_code; - - if (len < 24 + 2) { - printk(KERN_DEBUG "%s: too short (%zd) deauthentication frame " - "received from " MACSTR " - ignored\n", - dev->name, len, MAC2STR(mgmt->sa)); - return; - } - - if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { - printk(KERN_DEBUG "%s: deauthentication frame received from " - "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - " - "ignored\n", dev->name, MAC2STR(mgmt->sa), - MAC2STR(mgmt->bssid)); - return; - } - - reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); - - printk(KERN_DEBUG "%s: RX deauthentication from " MACSTR - " (reason=%d)\n", - dev->name, MAC2STR(mgmt->sa), reason_code); - - if (ifsta->authenticated) { - printk(KERN_DEBUG "%s: deauthenticated\n", dev->name); - } - - if (ifsta->state == IEEE80211_AUTHENTICATE || - ifsta->state == IEEE80211_ASSOCIATE || - ifsta->state == IEEE80211_ASSOCIATED) { - ifsta->state = IEEE80211_AUTHENTICATE; - mod_timer(&ifsta->timer, - jiffies + IEEE80211_RETRY_AUTH_INTERVAL); - } - - ieee80211_set_associated(dev, ifsta, 0); - ifsta->authenticated = 0; -} - - -static void ieee80211_rx_mgmt_disassoc(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - u16 reason_code; - - if (len < 24 + 2) { - printk(KERN_DEBUG "%s: too short (%zd) disassociation frame " - "received from " MACSTR " - ignored\n", - dev->name, len, MAC2STR(mgmt->sa)); - return; - } - - if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { - printk(KERN_DEBUG "%s: disassociation frame received from " - "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - " - "ignored\n", dev->name, MAC2STR(mgmt->sa), - MAC2STR(mgmt->bssid)); - return; - } - - reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); - - printk(KERN_DEBUG "%s: RX disassociation from " MACSTR - " (reason=%d)\n", - dev->name, MAC2STR(mgmt->sa), reason_code); - - if (ifsta->associated) - printk(KERN_DEBUG "%s: disassociated\n", dev->name); - - if (ifsta->state == IEEE80211_ASSOCIATED) { - ifsta->state = IEEE80211_ASSOCIATE; - mod_timer(&ifsta->timer, - jiffies + IEEE80211_RETRY_AUTH_INTERVAL); - } - - ieee80211_set_associated(dev, ifsta, 0); -} - - -static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status, - int reassoc) -{ - struct ieee80211_local *local = dev->priv; - struct sta_info *sta; - u32 rates; - u16 capab_info, status_code, aid; - struct ieee802_11_elems elems; - u8 *pos; - int i, j; - - /* AssocResp and ReassocResp have identical structure, so process both - * of them in this function. */ - - if (ifsta->state != IEEE80211_ASSOCIATE) { - printk(KERN_DEBUG "%s: association frame received from " - MACSTR ", but not in associate state - ignored\n", - dev->name, MAC2STR(mgmt->sa)); - return; - } - - if (len < 24 + 6) { - printk(KERN_DEBUG "%s: too short (%zd) association frame " - "received from " MACSTR " - ignored\n", - dev->name, len, MAC2STR(mgmt->sa)); - return; - } - - if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { - printk(KERN_DEBUG "%s: association frame received from " - "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - " - "ignored\n", dev->name, MAC2STR(mgmt->sa), - MAC2STR(mgmt->bssid)); - return; - } - - capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info); - status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); - aid = le16_to_cpu(mgmt->u.assoc_resp.aid); - if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) - printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not " - "set\n", dev->name, aid); - aid &= ~(BIT(15) | BIT(14)); - - printk(KERN_DEBUG "%s: RX %sssocResp from " MACSTR " (capab=0x%x " - "status=%d aid=%d)\n", - dev->name, reassoc ? "Rea" : "A", MAC2STR(mgmt->sa), - capab_info, status_code, aid); - - if (status_code != WLAN_STATUS_SUCCESS) { - printk(KERN_DEBUG "%s: AP denied association (code=%d)\n", - dev->name, status_code); - return; - } - - pos = mgmt->u.assoc_resp.variable; - if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems) - == ParseFailed) { - printk(KERN_DEBUG "%s: failed to parse AssocResp\n", - dev->name); - return; - } - - if (elems.supp_rates == NULL) { - printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n", - dev->name); - return; - } - - printk(KERN_DEBUG "%s: associated\n", dev->name); - ifsta->aid = aid; - ifsta->ap_capab = capab_info; - - kfree(ifsta->assocresp_ies); - ifsta->assocresp_ies_len = len - (pos - (u8 *) mgmt); - ifsta->assocresp_ies = kmalloc(ifsta->assocresp_ies_len, GFP_ATOMIC); - if (ifsta->assocresp_ies) - memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len); - - ieee80211_set_associated(dev, ifsta, 1); - - /* Add STA entry for the AP */ - sta = sta_info_get(local, ifsta->bssid); - if (sta == NULL) { - sta = sta_info_add(local, dev, ifsta->bssid); - if (sta == NULL) { - printk(KERN_DEBUG "%s: failed to add STA entry for the" - " AP\n", dev->name); - return; - } - } - - sta->dev = dev; - sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; - sta->assoc_ap = 1; - - rates = 0; - for (i = 0; i < elems.supp_rates_len; i++) { - int rate = (elems.supp_rates[i] & 0x7f) * 5; - if (local->conf.phymode == MODE_ATHEROS_TURBO) - rate *= 2; - for (j = 0; j < local->num_curr_rates; j++) - if (local->curr_rates[j].rate == rate) - rates |= BIT(j); - } - for (i = 0; i < elems.ext_supp_rates_len; i++) { - int rate = (elems.ext_supp_rates[i] & 0x7f) * 5; - if (local->conf.phymode == MODE_ATHEROS_TURBO) - rate *= 2; - for (j = 0; j < local->num_curr_rates; j++) - if (local->curr_rates[j].rate == rate) - rates |= BIT(j); - } - sta->supp_rates = rates; - - rate_control_rate_init(local, sta); - - if (elems.wmm_param && ifsta->wmm_enabled) { - sta->flags |= WLAN_STA_WME; - ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param, - elems.wmm_param_len); - } - - - sta_info_release(local, sta); - - ieee80211_associated(dev, ifsta); -} - - -/* Caller must hold local->sta_bss_lock */ -static void __ieee80211_rx_bss_hash_add(struct net_device *dev, - struct ieee80211_sta_bss *bss) -{ - struct ieee80211_local *local = dev->priv; - bss->hnext = local->sta_bss_hash[STA_HASH(bss->bssid)]; - local->sta_bss_hash[STA_HASH(bss->bssid)] = bss; -} - - -/* Caller must hold local->sta_bss_lock */ -static void __ieee80211_rx_bss_hash_del(struct net_device *dev, - struct ieee80211_sta_bss *bss) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sta_bss *b, *prev = NULL; - b = local->sta_bss_hash[STA_HASH(bss->bssid)]; - while (b) { - if (b == bss) { - if (prev == NULL) { - local->sta_bss_hash[STA_HASH(bss->bssid)] = - bss->hnext; - } else { - prev->hnext = bss->hnext; - } - break; - } - prev = b; - b = b->hnext; - } -} - - -static struct ieee80211_sta_bss * -ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sta_bss *bss; - - bss = kmalloc(sizeof(*bss), GFP_ATOMIC); - if (bss == NULL) - return NULL; - memset(bss, 0, sizeof(*bss)); - atomic_inc(&bss->users); - atomic_inc(&bss->users); - memcpy(bss->bssid, bssid, ETH_ALEN); - - spin_lock_bh(&local->sta_bss_lock); - /* TODO: order by RSSI? */ - list_add_tail(&bss->list, &local->sta_bss_list); - __ieee80211_rx_bss_hash_add(dev, bss); - spin_unlock_bh(&local->sta_bss_lock); - return bss; -} - - -static struct ieee80211_sta_bss * -ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sta_bss *bss; - - spin_lock_bh(&local->sta_bss_lock); - bss = local->sta_bss_hash[STA_HASH(bssid)]; - while (bss) { - if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) { - atomic_inc(&bss->users); - break; - } - bss = bss->hnext; - } - spin_unlock_bh(&local->sta_bss_lock); - return bss; -} - - -static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss) -{ - kfree(bss->wpa_ie); - kfree(bss->rsn_ie); - kfree(bss->wmm_ie); - kfree(bss); -} - - -static void ieee80211_rx_bss_put(struct net_device *dev, - struct ieee80211_sta_bss *bss) -{ - struct ieee80211_local *local = dev->priv; - if (!atomic_dec_and_test(&bss->users)) - return; - - spin_lock_bh(&local->sta_bss_lock); - __ieee80211_rx_bss_hash_del(dev, bss); - list_del(&bss->list); - spin_unlock_bh(&local->sta_bss_lock); - ieee80211_rx_bss_free(bss); -} - - -void ieee80211_rx_bss_list_init(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - spin_lock_init(&local->sta_bss_lock); - INIT_LIST_HEAD(&local->sta_bss_list); -} - - -void ieee80211_rx_bss_list_deinit(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sta_bss *bss; - struct list_head *ptr; - - for (;;) { - ptr = local->sta_bss_list.next; - if (!ptr || ptr == &local->sta_bss_list) - break; - bss = list_entry(ptr, struct ieee80211_sta_bss, list); - ieee80211_rx_bss_put(dev, bss); - } -} - - -static void ieee80211_rx_bss_info(struct net_device *dev, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status, - int beacon) -{ - struct ieee80211_local *local = dev->priv; - struct ieee802_11_elems elems; - size_t baselen; - int channel, invalid = 0, clen; - struct ieee80211_sta_bss *bss; - struct sta_info *sta; - struct ieee80211_sub_if_data *sdata; - u64 timestamp; - u8 *pos; - - if (!beacon && memcmp(mgmt->da, dev->dev_addr, ETH_ALEN)) - return; /* ignore ProbeResp to foreign address */ - -#if 0 - printk(KERN_DEBUG "%s: RX %s from " MACSTR " to " MACSTR "\n", - dev->name, beacon ? "Beacon" : "Probe Response", - MAC2STR(mgmt->sa), MAC2STR(mgmt->da)); -#endif - - baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; - if (baselen > len) - return; - - pos = mgmt->u.beacon.timestamp; - timestamp = ((u64) pos[7] << 56) | ((u64) pos[6] << 48) | - ((u64) pos[5] << 40) | ((u64) pos[4] << 32) | - ((u64) pos[3] << 24) | ((u64) pos[2] << 16) | - ((u64) pos[1] << 8) | ((u64) pos[0]); - - if (local->conf.mode == IW_MODE_ADHOC && beacon && - memcmp(mgmt->bssid, local->bssid, ETH_ALEN) == 0) { -#ifdef IEEE80211_IBSS_DEBUG - static unsigned long last_tsf_debug = 0; - u64 tsf; - if (local->hw->get_tsf) - tsf = local->hw->get_tsf(local->mdev); - else - tsf = -1LLU; - if (time_after(jiffies, last_tsf_debug + 5 * HZ)) { - printk(KERN_DEBUG "RX beacon SA=" MACSTR " BSSID=" - MACSTR " TSF=0x%llx BCN=0x%llx diff=%lld " - "@%ld\n", - MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid), - tsf, timestamp, tsf - timestamp, jiffies); - last_tsf_debug = jiffies; - } -#endif /* IEEE80211_IBSS_DEBUG */ - } - - if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, - &elems) == ParseFailed) - invalid = 1; - - if (local->conf.mode == IW_MODE_ADHOC && elems.supp_rates && - memcmp(mgmt->bssid, local->bssid, ETH_ALEN) == 0 && - (sta = sta_info_get(local, mgmt->sa)) && - (sdata = IEEE80211_DEV_TO_SUB_IF(dev)) && - sdata->type == IEEE80211_SUB_IF_TYPE_STA) { - struct ieee80211_rate *rates; - size_t num_rates; - u32 supp_rates, prev_rates; - int i, j, oper_mode; - - rates = local->curr_rates; - num_rates = local->num_curr_rates; - oper_mode = local->sta_scanning ? local->scan_oper_phymode : - local->conf.phymode; - for (i = 0; i < local->hw->num_modes; i++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[i]; - if (oper_mode == mode->mode) { - rates = mode->rates; - num_rates = mode->num_rates; - break; - } - } - - supp_rates = 0; - for (i = 0; i < elems.supp_rates_len + - elems.ext_supp_rates_len; i++) { - u8 rate = 0; - int own_rate; - if (i < elems.supp_rates_len) - rate = elems.supp_rates[i]; - else if (elems.ext_supp_rates) - rate = elems.ext_supp_rates - [i - elems.supp_rates_len]; - own_rate = 5 * (rate & 0x7f); - if (oper_mode == MODE_ATHEROS_TURBO) - own_rate *= 2; - for (j = 0; j < num_rates; j++) - if (rates[j].rate == own_rate) - supp_rates |= BIT(j); - } - - prev_rates = sta->supp_rates; - sta->supp_rates &= supp_rates; - if (sta->supp_rates == 0) { - /* No matching rates - this should not really happen. - * Make sure that at least one rate is marked - * supported to avoid issues with TX rate ctrl. */ - - sta->supp_rates = sdata->u.sta.supp_rates_bits; - } - if (sta->supp_rates != prev_rates) { - printk(KERN_DEBUG "%s: updated supp_rates set for " - MACSTR " based on beacon info (0x%x & 0x%x -> " - "0x%x)\n", - dev->name, MAC2STR(sta->addr), prev_rates, - supp_rates, sta->supp_rates); - } - sta_info_release(local, sta); - } - - if (elems.ssid == NULL) - return; - - if (elems.ds_params && elems.ds_params_len == 1) - channel = elems.ds_params[0]; - else - channel = rx_status->channel; - - bss = ieee80211_rx_bss_get(dev, mgmt->bssid); - if (bss == NULL) { - bss = ieee80211_rx_bss_add(dev, mgmt->bssid); - if (bss == NULL) - return; - } else { -#if 0 - /* TODO: order by RSSI? */ - spin_lock_bh(&local->sta_bss_lock); - list_move_tail(&bss->list, &local->sta_bss_list); - spin_unlock_bh(&local->sta_bss_lock); -#endif - } - - if (bss->probe_resp && beacon) { - /* Do not allow beacon to override data from Probe Response. */ - ieee80211_rx_bss_put(dev, bss); - return; - } - - bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int); - bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info); - if (elems.ssid && elems.ssid_len <= IEEE80211_MAX_SSID_LEN) { - memcpy(bss->ssid, elems.ssid, elems.ssid_len); - bss->ssid_len = elems.ssid_len; - } - - bss->supp_rates_len = 0; - if (elems.supp_rates) { - clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len; - if (clen > elems.supp_rates_len) - clen = elems.supp_rates_len; - memcpy(&bss->supp_rates[bss->supp_rates_len], elems.supp_rates, - clen); - bss->supp_rates_len += clen; - } - if (elems.ext_supp_rates) { - clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len; - if (clen > elems.ext_supp_rates_len) - clen = elems.ext_supp_rates_len; - memcpy(&bss->supp_rates[bss->supp_rates_len], - elems.ext_supp_rates, clen); - bss->supp_rates_len += clen; - } - - if (elems.wpa && - (bss->wpa_ie == NULL || bss->wpa_ie_len != elems.wpa_len || - memcmp(bss->wpa_ie, elems.wpa, elems.wpa_len))) { - kfree(bss->wpa_ie); - bss->wpa_ie = kmalloc(elems.wpa_len + 2, GFP_ATOMIC); - if (bss->wpa_ie) { - memcpy(bss->wpa_ie, elems.wpa - 2, elems.wpa_len + 2); - bss->wpa_ie_len = elems.wpa_len + 2; - } else - bss->wpa_ie_len = 0; - } else if (!elems.wpa && bss->wpa_ie) { - kfree(bss->wpa_ie); - bss->wpa_ie = NULL; - bss->wpa_ie_len = 0; - } - - if (elems.rsn && - (bss->rsn_ie == NULL || bss->rsn_ie_len != elems.rsn_len || - memcmp(bss->rsn_ie, elems.rsn, elems.rsn_len))) { - kfree(bss->rsn_ie); - bss->rsn_ie = kmalloc(elems.rsn_len + 2, GFP_ATOMIC); - if (bss->rsn_ie) { - memcpy(bss->rsn_ie, elems.rsn - 2, elems.rsn_len + 2); - bss->rsn_ie_len = elems.rsn_len + 2; - } else - bss->rsn_ie_len = 0; - } else if (!elems.rsn && bss->rsn_ie) { - kfree(bss->rsn_ie); - bss->rsn_ie = NULL; - bss->rsn_ie_len = 0; - } - - if (elems.wmm_param && - (bss->wmm_ie == NULL || bss->wmm_ie_len != elems.wmm_param_len || - memcmp(bss->wmm_ie, elems.wmm_param, elems.wmm_param_len))) { - kfree(bss->wmm_ie); - bss->wmm_ie = kmalloc(elems.wmm_param_len + 2, GFP_ATOMIC); - if (bss->wmm_ie) { - memcpy(bss->wmm_ie, elems.wmm_param - 2, - elems.wmm_param_len + 2); - bss->wmm_ie_len = elems.wmm_param_len + 2; - } else - bss->wmm_ie_len = 0; - } else if (!elems.wmm_param && bss->wmm_ie) { - kfree(bss->wmm_ie); - bss->wmm_ie = NULL; - bss->wmm_ie_len = 0; - } - - - bss->hw_mode = local->conf.phymode; - bss->channel = channel; - bss->freq = local->conf.freq; - if (channel != local->conf.channel && - (local->conf.phymode == MODE_IEEE80211G || - local->conf.phymode == MODE_IEEE80211B) && - channel >= 1 && channel <= 14) { - static const int freq_list[] = { - 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 - }; - /* IEEE 802.11g/b mode can receive packets from neighboring - * channels, so map the channel into frequency. */ - bss->freq = freq_list[channel - 1]; - } - bss->timestamp = timestamp; - bss->last_update = jiffies; - bss->rssi = rx_status->ssi; - if (!beacon) - bss->probe_resp++; - ieee80211_rx_bss_put(dev, bss); -} - - -static void ieee80211_rx_mgmt_probe_resp(struct net_device *dev, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 0); -} - - -static void ieee80211_rx_mgmt_beacon(struct net_device *dev, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_sta *ifsta; - int use_protection; - size_t baselen; - struct ieee802_11_elems elems; - - ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 1); - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - return; - ifsta = &sdata->u.sta; - - if (!ifsta->associated || - memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0) - return; - - /* Process beacon from the current BSS */ - baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; - if (baselen > len) - return; - - if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, - &elems) == ParseFailed) - return; - - use_protection = 0; - if (elems.erp_info && elems.erp_info_len >= 1) { - use_protection = - (elems.erp_info[0] & ERP_INFO_USE_PROTECTION) != 0; - } - - if (use_protection != !!ifsta->use_protection) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: CTS protection %s (BSSID=" - MACSTR ")\n", - dev->name, - use_protection ? "enabled" : "disabled", - MAC2STR(ifsta->bssid)); - } - ifsta->use_protection = use_protection ? 1 : 0; - local->cts_protect_erp_frames = use_protection; - } - - if (elems.wmm_param && ifsta->wmm_enabled) { - ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param, - elems.wmm_param_len); - } -} - - -static void ieee80211_rx_mgmt_probe_req(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) -{ - struct ieee80211_local *local = dev->priv; - int tx_last_beacon; - struct sk_buff *skb; - struct ieee80211_mgmt *resp; - u8 *pos, *end; - - if (local->conf.mode != IW_MODE_ADHOC || - ifsta->state != IEEE80211_IBSS_JOINED || - len < 24 + 2 || ifsta->probe_resp == NULL) - return; - - if (local->hw->tx_last_beacon) - tx_last_beacon = local->hw->tx_last_beacon(local->mdev); - else - tx_last_beacon = 1; - -#ifdef IEEE80211_IBSS_DEBUG - printk(KERN_DEBUG "%s: RX ProbeReq SA=" MACSTR " DA=" MACSTR " BSSID=" - MACSTR " (tx_last_beacon=%d)\n", - dev->name, MAC2STR(mgmt->sa), MAC2STR(mgmt->da), - MAC2STR(mgmt->bssid), tx_last_beacon); -#endif /* IEEE80211_IBSS_DEBUG */ - - if (!tx_last_beacon) - return; - - if (memcmp(mgmt->bssid, ifsta->bssid, ETH_ALEN) != 0 && - memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0) - return; - - end = ((u8 *) mgmt) + len; - pos = mgmt->u.probe_req.variable; - if (pos[0] != WLAN_EID_SSID || - pos + 2 + pos[1] > end) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq " - "from " MACSTR "\n", - dev->name, MAC2STR(mgmt->sa)); - } - return; - } - if (pos[1] != 0 && - (pos[1] != ifsta->ssid_len || - memcmp(pos + 2, ifsta->ssid, ifsta->ssid_len) != 0)) { - /* Ignore ProbeReq for foreign SSID */ - return; - } - - /* Reply with ProbeResp */ - skb = skb_copy(ifsta->probe_resp, GFP_ATOMIC); - if (skb == NULL) - return; - - resp = (struct ieee80211_mgmt *) skb->data; - memcpy(resp->da, mgmt->sa, ETH_ALEN); -#ifdef IEEE80211_IBSS_DEBUG - printk(KERN_DEBUG "%s: Sending ProbeResp to " MACSTR "\n", - dev->name, MAC2STR(resp->da)); -#endif /* IEEE80211_IBSS_DEBUG */ - ieee80211_sta_tx(dev, skb, 0, 1); -} - - -void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *rx_status) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_sta *ifsta; - struct ieee80211_mgmt *mgmt; - u16 fc; - - if (skb->len < 24) - goto fail; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) { - printk(KERN_DEBUG "%s: ieee80211_sta_rx_mgmt: non-STA " - "interface (type=%d)\n", dev->name, sdata->type); - goto fail; - } - ifsta = &sdata->u.sta; - - mgmt = (struct ieee80211_mgmt *) skb->data; - fc = le16_to_cpu(mgmt->frame_control); - - switch (WLAN_FC_GET_STYPE(fc)) { - case WLAN_FC_STYPE_PROBE_REQ: - ieee80211_rx_mgmt_probe_req(dev, ifsta, mgmt, skb->len, - rx_status); - break; - case WLAN_FC_STYPE_PROBE_RESP: - ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status); - break; - case WLAN_FC_STYPE_BEACON: - ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status); - break; - case WLAN_FC_STYPE_AUTH: - ieee80211_rx_mgmt_auth(dev, ifsta, mgmt, skb->len, rx_status); - break; - case WLAN_FC_STYPE_ASSOC_RESP: - ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len, - rx_status, 0); - break; - case WLAN_FC_STYPE_REASSOC_RESP: - ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len, - rx_status, 1); - break; - case WLAN_FC_STYPE_DEAUTH: - ieee80211_rx_mgmt_deauth(dev, ifsta, mgmt, skb->len, - rx_status); - break; - case WLAN_FC_STYPE_DISASSOC: - ieee80211_rx_mgmt_disassoc(dev, ifsta, mgmt, skb->len, - rx_status); - break; - default: - printk(KERN_DEBUG "%s: received unknown management frame - " - "stype=%d\n", dev->name, WLAN_FC_GET_STYPE(fc)); - break; - } - - fail: - dev_kfree_skb(skb); -} - - -void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *rx_status) -{ - struct ieee80211_mgmt *mgmt; - u16 fc; - - if (skb->len < 24) { - dev_kfree_skb(skb); - return; - } - - mgmt = (struct ieee80211_mgmt *) skb->data; - fc = le16_to_cpu(mgmt->frame_control); - - if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT) { - if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { - ieee80211_rx_mgmt_probe_resp(dev, mgmt, - skb->len, rx_status); - } else if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) { - ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, - rx_status); - } - } - - dev_kfree_skb(skb); -} - - -static int ieee80211_sta_active_ibss(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr; - int active = 0; - struct sta_info *sta; - - spin_lock_bh(&local->sta_lock); - list_for_each(ptr, &local->sta_list) { - sta = list_entry(ptr, struct sta_info, list); - if (sta->dev == dev && - time_after(sta->last_rx + IEEE80211_IBSS_MERGE_INTERVAL, - jiffies)) { - active++; - break; - } - } - spin_unlock_bh(&local->sta_lock); - - return active; -} - - -static void ieee80211_sta_expire(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr, *n; - struct sta_info *sta; - - spin_lock_bh(&local->sta_lock); - list_for_each_safe(ptr, n, &local->sta_list) { - sta = list_entry(ptr, struct sta_info, list); - if (time_after(jiffies, sta->last_rx + - IEEE80211_IBSS_INACTIVITY_LIMIT)) { - printk(KERN_DEBUG "%s: expiring inactive STA " MACSTR - "\n", dev->name, MAC2STR(sta->addr)); - sta_info_free(local, sta, 1); - } - } - spin_unlock_bh(&local->sta_lock); -} - - -static void ieee80211_sta_merge_ibss(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL); - - ieee80211_sta_expire(dev); - if (ieee80211_sta_active_ibss(dev)) - return; - - printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other " - "IBSS networks with same SSID (merge)\n", dev->name); - ieee80211_sta_req_scan(dev, ifsta->ssid, ifsta->ssid_len); -} - - -void ieee80211_sta_timer(unsigned long ptr) -{ - struct net_device *dev; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_sta *ifsta; - - dev = (struct net_device *) ptr; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) { - printk(KERN_DEBUG "%s: ieee80211_sta_timer: non-STA interface " - "(type=%d)\n", dev->name, sdata->type); - return; - } - ifsta = &sdata->u.sta; - - switch (ifsta->state) { - case IEEE80211_DISABLED: - break; - case IEEE80211_AUTHENTICATE: - ieee80211_authenticate(dev, ifsta); - break; - case IEEE80211_ASSOCIATE: - ieee80211_associate(dev, ifsta); - break; - case IEEE80211_ASSOCIATED: - ieee80211_associated(dev, ifsta); - break; - case IEEE80211_IBSS_SEARCH: - ieee80211_sta_find_ibss(dev, ifsta); - break; - case IEEE80211_IBSS_JOINED: - ieee80211_sta_merge_ibss(dev, ifsta); - break; - default: - printk(KERN_DEBUG "ieee80211_sta_timer: Unknown state %d\n", - ifsta->state); - break; - } - - if (ieee80211_privacy_mismatch(dev, ifsta)) { - printk(KERN_DEBUG "%s: privacy configuration mismatch and " - "mixed-cell disabled - disassociate\n", dev->name); - - ieee80211_send_disassoc(dev, ifsta, WLAN_REASON_UNSPECIFIED); - ieee80211_set_associated(dev, ifsta, 0); - } -} - - -static void ieee80211_sta_new_auth(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - struct ieee80211_local *local = dev->priv; - - if (local->conf.mode != IW_MODE_INFRA) - return; - - if (local->hw->reset_tsf) { - /* Reset own TSF to allow time synchronization work. */ - local->hw->reset_tsf(local->mdev); - } - - ifsta->wmm_last_param_set = -1; /* allow any WMM update */ - - - if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN) - ifsta->auth_alg = WLAN_AUTH_OPEN; - else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY) - ifsta->auth_alg = WLAN_AUTH_SHARED_KEY; - else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP) - ifsta->auth_alg = WLAN_AUTH_LEAP; - else - ifsta->auth_alg = WLAN_AUTH_OPEN; - printk(KERN_DEBUG "%s: Initial auth_alg=%d\n", dev->name, - ifsta->auth_alg); - ifsta->auth_transaction = -1; - ifsta->auth_tries = ifsta->assoc_tries = 0; - ieee80211_authenticate(dev, ifsta); -} - - -static int ieee80211_ibss_allowed(struct ieee80211_local *local) -{ - int m, c; - - for (m = 0; m < local->hw->num_modes; m++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[m]; - if (mode->mode != local->conf.phymode) - continue; - for (c = 0; c < mode->num_channels; c++) { - struct ieee80211_channel *chan = &mode->channels[c]; - if (chan->flag & IEEE80211_CHAN_W_SCAN && - chan->chan == local->conf.channel) { - if (chan->flag & IEEE80211_CHAN_W_IBSS) - return 1; - break; - } - } - } - - return 0; -} - - -extern int ieee80211_ioctl_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); - -static int ieee80211_sta_join_ibss(struct net_device *dev, - struct ieee80211_if_sta *ifsta, - struct ieee80211_sta_bss *bss) -{ - struct ieee80211_local *local = dev->priv; - struct iw_freq rq; - int res, rates, i, j; - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - struct ieee80211_tx_control control; - struct ieee80211_rate *rate; - struct rate_control_extra extra; - u8 *pos; - struct ieee80211_sub_if_data *sdata; - - /* Remove possible STA entries from other IBSS networks. */ - sta_info_flush(local, NULL); - - if (local->hw->reset_tsf) { - /* Reset own TSF to allow time synchronization work. */ - local->hw->reset_tsf(local->mdev); - } - memcpy(ifsta->bssid, bss->bssid, ETH_ALEN); - memcpy(local->bssid, bss->bssid, ETH_ALEN); - memcpy(local->conf.client_bssid, bss->bssid, ETH_ALEN); - - local->conf.beacon_int = bss->beacon_int >= 10 ? bss->beacon_int : 10; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sdata->drop_unencrypted = bss->capability & - cpu_to_le16(WLAN_CAPABILITY_PRIVACY) ? 1 : 0; - - memset(&rq, 0, sizeof(rq)); - rq.m = bss->freq * 100000; - rq.e = 1; - res = ieee80211_ioctl_siwfreq(dev, NULL, &rq, NULL); - - if (!ieee80211_ibss_allowed(local)) { - printk(KERN_DEBUG "%s: IBSS not allowed on channel %d " - "(%d MHz)\n", dev->name, local->conf.channel, - local->conf.freq); - return -1; - } - - /* Set beacon template based on scan results */ - skb = dev_alloc_skb(400); - do { - if (skb == NULL) - break; - - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 24 + sizeof(mgmt->u.beacon)); - memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon)); - mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_BEACON); - memset(mgmt->da, 0xff, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); - mgmt->u.beacon.beacon_int = - cpu_to_le16(local->conf.beacon_int); - mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability); - - pos = skb_put(skb, 2 + ifsta->ssid_len); - *pos++ = WLAN_EID_SSID; - *pos++ = ifsta->ssid_len; - memcpy(pos, ifsta->ssid, ifsta->ssid_len); - - rates = bss->supp_rates_len; - if (rates > 8) - rates = 8; - pos = skb_put(skb, 2 + rates); - *pos++ = WLAN_EID_SUPP_RATES; - *pos++ = rates; - memcpy(pos, bss->supp_rates, rates); - - pos = skb_put(skb, 2 + 1); - *pos++ = WLAN_EID_DS_PARAMS; - *pos++ = 1; - *pos++ = bss->channel; - - pos = skb_put(skb, 2 + 2); - *pos++ = WLAN_EID_IBSS_PARAMS; - *pos++ = 2; - /* FIX: set ATIM window based on scan results */ - *pos++ = 0; - *pos++ = 0; - - if (bss->supp_rates_len > 8) { - rates = bss->supp_rates_len - 8; - pos = skb_put(skb, 2 + rates); - *pos++ = WLAN_EID_EXT_SUPP_RATES; - *pos++ = rates; - memcpy(pos, &bss->supp_rates[8], rates); - } - - memset(&control, 0, sizeof(control)); - control.pkt_type = PKT_PROBE_RESP; - memset(&extra, 0, sizeof(extra)); - extra.endidx = local->num_curr_rates; - rate = rate_control_get_rate(dev, skb, &extra); - if (rate == NULL) { - printk(KERN_DEBUG "%s: Failed to determine TX rate " - "for IBSS beacon\n", dev->name); - break; - } - control.tx_rate = (local->short_preamble && - (rate->flags & IEEE80211_RATE_PREAMBLE2)) ? - rate->val2 : rate->val; - control.antenna_sel = local->conf.antenna_sel; - control.power_level = local->conf.power_level; - control.no_ack = 1; - control.retry_limit = 1; - control.rts_cts_duration = 0; - - ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC); - if (ifsta->probe_resp) { - mgmt = (struct ieee80211_mgmt *) - ifsta->probe_resp->data; - mgmt->frame_control = - IEEE80211_FC(WLAN_FC_TYPE_MGMT, - WLAN_FC_STYPE_PROBE_RESP); - } else { - printk(KERN_DEBUG "%s: Could not allocate ProbeResp " - "template for IBSS\n", dev->name); - } - - if (local->hw->beacon_update && - local->hw->beacon_update(dev, skb, &control) == 0) { - printk(KERN_DEBUG "%s: Configured IBSS beacon " - "template based on scan results\n", dev->name); - skb = NULL; - } - - rates = 0; - for (i = 0; i < bss->supp_rates_len; i++) { - int rate = (bss->supp_rates[i] & 0x7f) * 5; - if (local->conf.phymode == MODE_ATHEROS_TURBO) - rate *= 2; - for (j = 0; j < local->num_curr_rates; j++) - if (local->curr_rates[j].rate == rate) - rates |= BIT(j); - } - ifsta->supp_rates_bits = rates; - } while (0); - - if (skb) { - printk(KERN_DEBUG "%s: Failed to configure IBSS beacon " - "template\n", dev->name); - dev_kfree_skb(skb); - } - - ifsta->state = IEEE80211_IBSS_JOINED; - mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL); - - ieee80211_rx_bss_put(dev, bss); - - return res; -} - - -static int ieee80211_sta_create_ibss(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sta_bss *bss; - struct ieee80211_sub_if_data *sdata; - u8 bssid[ETH_ALEN], *pos; - int i; - -#if 0 - /* Easier testing, use fixed BSSID. */ - memset(bssid, 0xfe, ETH_ALEN); -#else - /* Generate random, not broadcast, locally administered BSSID. Mix in - * own MAC address to make sure that devices that do not have proper - * random number generator get different BSSID. */ - get_random_bytes(bssid, ETH_ALEN); - for (i = 0; i < ETH_ALEN; i++) - bssid[i] ^= dev->dev_addr[i]; - bssid[0] &= ~0x01; - bssid[0] |= 0x02; -#endif - - printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID " MACSTR "\n", - dev->name, MAC2STR(bssid)); - - bss = ieee80211_rx_bss_add(dev, bssid); - if (bss == NULL) - return -ENOMEM; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - if (local->conf.beacon_int == 0) - local->conf.beacon_int = 100; - bss->beacon_int = local->conf.beacon_int; - bss->hw_mode = local->conf.phymode; - bss->channel = local->conf.channel; - bss->freq = local->conf.freq; - bss->last_update = jiffies; - bss->capability = cpu_to_le16(WLAN_CAPABILITY_IBSS); - if (sdata->default_key) { - bss->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); - } else - sdata->drop_unencrypted = 0; - bss->supp_rates_len = local->num_curr_rates; - pos = bss->supp_rates; - for (i = 0; i < local->num_curr_rates; i++) { - int rate = local->curr_rates[i].rate; - if (local->conf.phymode == MODE_ATHEROS_TURBO) - rate /= 2; - *pos++ = (u8) (rate / 5); - } - - return ieee80211_sta_join_ibss(dev, ifsta, bss); -} - - -static int ieee80211_sta_find_ibss(struct net_device *dev, - struct ieee80211_if_sta *ifsta) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sta_bss *bss; - int found = 0; - u8 bssid[ETH_ALEN]; - struct list_head *ptr; - int active_ibss; - - if (ifsta->ssid_len == 0) - return -EINVAL; - - active_ibss = ieee80211_sta_active_ibss(dev); -#ifdef IEEE80211_IBSS_DEBUG - printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n", - dev->name, active_ibss); -#endif /* IEEE80211_IBSS_DEBUG */ - spin_lock_bh(&local->sta_bss_lock); - list_for_each(ptr, &local->sta_bss_list) { - bss = list_entry(ptr, struct ieee80211_sta_bss, list); - if (ifsta->ssid_len != bss->ssid_len || - memcmp(ifsta->ssid, bss->ssid, bss->ssid_len) != 0 - || !(bss->capability & WLAN_CAPABILITY_IBSS)) - continue; -#ifdef IEEE80211_IBSS_DEBUG - printk(KERN_DEBUG " bssid=" MACSTR " found\n", - MAC2STR(bss->bssid)); -#endif /* IEEE80211_IBSS_DEBUG */ - memcpy(bssid, bss->bssid, ETH_ALEN); - found = 1; - if (active_ibss || memcmp(bssid, ifsta->bssid, ETH_ALEN) != 0) - break; - } - spin_unlock_bh(&local->sta_bss_lock); - -#ifdef IEEE80211_IBSS_DEBUG - printk(KERN_DEBUG " sta_find_ibss: selected " MACSTR " current " - MACSTR "\n", MAC2STR(bssid), MAC2STR(ifsta->bssid)); -#endif /* IEEE80211_IBSS_DEBUG */ - if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 && - (bss = ieee80211_rx_bss_get(dev, bssid))) { - printk(KERN_DEBUG "%s: Selected IBSS BSSID " MACSTR - " based on configured SSID\n", - dev->name, MAC2STR(bssid)); - return ieee80211_sta_join_ibss(dev, ifsta, bss); - } -#ifdef IEEE80211_IBSS_DEBUG - printk(KERN_DEBUG " did not try to join ibss\n"); -#endif /* IEEE80211_IBSS_DEBUG */ - - /* Selected IBSS not found in current scan results - try to scan */ - if (ifsta->state == IEEE80211_IBSS_JOINED && - !ieee80211_sta_active_ibss(dev)) { - mod_timer(&ifsta->timer, - jiffies + IEEE80211_IBSS_MERGE_INTERVAL); - } else if (time_after(jiffies, local->last_scan_completed + - IEEE80211_SCAN_INTERVAL)) { - printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to " - "join\n", dev->name); - return ieee80211_sta_req_scan(dev, ifsta->ssid, - ifsta->ssid_len); - } else if (ifsta->state != IEEE80211_IBSS_JOINED) { - int interval = IEEE80211_SCAN_INTERVAL; - - if (time_after(jiffies, ifsta->ibss_join_req + - IEEE80211_IBSS_JOIN_TIMEOUT)) { - if (ifsta->create_ibss && - ieee80211_ibss_allowed(local)) - return ieee80211_sta_create_ibss(dev, ifsta); - if (ifsta->create_ibss) { - printk(KERN_DEBUG "%s: IBSS not allowed on the" - " configured channel %d (%d MHz)\n", - dev->name, local->conf.channel, - local->conf.freq); - } - - /* No IBSS found - decrease scan interval and continue - * scanning. */ - interval = IEEE80211_SCAN_INTERVAL_SLOW; - } - - ifsta->state = IEEE80211_IBSS_SEARCH; - mod_timer(&ifsta->timer, jiffies + interval); - return 0; - } - - return 0; -} - - -int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_sta *ifsta; - struct ieee80211_local *local = dev->priv; - - if (len > IEEE80211_MAX_SSID_LEN) - return -EINVAL; - - /* TODO: This should always be done for IBSS, even if IEEE80211_QOS is - * not defined. */ - if (local->hw->conf_tx) { - struct ieee80211_tx_queue_params qparam; - int i; - - memset(&qparam, 0, sizeof(qparam)); - /* TODO: are these ok defaults for all hw_modes? */ - qparam.aifs = 2; - qparam.cw_min = - local->conf.phymode == MODE_IEEE80211B ? 31 : 15; - qparam.cw_max = 1023; - qparam.burst_time = 0; - for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++) - { - local->hw->conf_tx(dev, i + IEEE80211_TX_QUEUE_DATA0, - &qparam); - } - /* IBSS uses different parameters for Beacon sending */ - qparam.cw_min++; - qparam.cw_min *= 2; - qparam.cw_min--; - local->hw->conf_tx(dev, IEEE80211_TX_QUEUE_BEACON, &qparam); - } - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - ifsta = &sdata->u.sta; - - if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) - ifsta->prev_bssid_set = 0; - memcpy(ifsta->ssid, ssid, len); - memset(ifsta->ssid + len, 0, IEEE80211_MAX_SSID_LEN - len); - ifsta->ssid_len = len; - - ifsta->ssid_set = 1; - if (local->conf.mode == IW_MODE_ADHOC && !ifsta->bssid_set) { - ifsta->ibss_join_req = jiffies; - ifsta->state = IEEE80211_IBSS_SEARCH; - return ieee80211_sta_find_ibss(dev, ifsta); - } - - if (ifsta->bssid_set && ifsta->state != IEEE80211_AUTHENTICATE) - ieee80211_sta_new_auth(dev, ifsta); - - return 0; -} - - -int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_if_sta *ifsta = &sdata->u.sta; - memcpy(ssid, ifsta->ssid, ifsta->ssid_len); - *len = ifsta->ssid_len; - return 0; -} - - -int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_sta *ifsta; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - ifsta = &sdata->u.sta; - - memcpy(ifsta->bssid, bssid, ETH_ALEN); - if (local->conf.mode == IW_MODE_ADHOC) - memcpy(local->bssid, bssid, ETH_ALEN); - - if (memcmp(bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0) - ifsta->bssid_set = 0; - else - ifsta->bssid_set = 1; - if (ifsta->ssid_set) - ieee80211_sta_new_auth(dev, ifsta); - - return 0; -} - - -static void ieee80211_sta_save_oper_chan(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - local->scan_oper_channel = local->conf.channel; - local->scan_oper_channel_val = local->conf.channel_val; - local->scan_oper_power_level = local->conf.power_level; - local->scan_oper_freq = local->conf.freq; - local->scan_oper_phymode = local->conf.phymode; - local->scan_oper_antenna_max = local->conf.antenna_max; -} - - -static int ieee80211_sta_restore_oper_chan(struct net_device *dev) -{ - struct ieee80211_local *local = dev->priv; - local->conf.channel = local->scan_oper_channel; - local->conf.channel_val = local->scan_oper_channel_val; - local->conf.power_level = local->scan_oper_power_level; - local->conf.freq = local->scan_oper_freq; - local->conf.phymode = local->scan_oper_phymode; - local->conf.antenna_max = local->scan_oper_antenna_max; - return ieee80211_hw_config(dev); -} - - -static int ieee80211_active_scan(struct ieee80211_local *local) -{ - int m, c; - - for (m = 0; m < local->hw->num_modes; m++) { - struct ieee80211_hw_modes *mode = &local->hw->modes[m]; - if (mode->mode != local->conf.phymode) - continue; - for (c = 0; c < mode->num_channels; c++) { - struct ieee80211_channel *chan = &mode->channels[c]; - if (chan->flag & IEEE80211_CHAN_W_SCAN && - chan->chan == local->conf.channel) { - if (chan->flag & IEEE80211_CHAN_W_ACTIVE_SCAN) - return 1; - break; - } - } - } - - return 0; -} - - -static void ieee80211_sta_scan_timer(unsigned long ptr) -{ - struct net_device *dev = (struct net_device *) ptr; - struct ieee80211_local *local = dev->priv; - struct ieee80211_hw_modes *mode; - struct ieee80211_channel *chan; - int skip; - union iwreq_data wrqu; - - if (!local->sta_scanning) - return; - - switch (local->scan_state) { - case SCAN_SET_CHANNEL: - mode = &local->hw->modes[local->scan_hw_mode_idx]; - if (local->scan_hw_mode_idx >= local->hw->num_modes || - (local->scan_hw_mode_idx + 1 == local->hw->num_modes && - local->scan_channel_idx >= mode->num_channels)) { - if (ieee80211_sta_restore_oper_chan(dev)) { - printk(KERN_DEBUG "%s: failed to restore " - "operational channel after scan\n", - dev->name); - } - printk(KERN_DEBUG "%s: scan completed\n", dev->name); - local->sta_scanning = 0; - local->last_scan_completed = jiffies; - memset(&wrqu, 0, sizeof(wrqu)); - wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL); - if (local->conf.mode == IW_MODE_ADHOC) { - struct ieee80211_sub_if_data *sdata = - IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_if_sta *ifsta = &sdata->u.sta; - if (!ifsta->bssid_set || - (ifsta->state == IEEE80211_IBSS_JOINED && - !ieee80211_sta_active_ibss(dev))) - ieee80211_sta_find_ibss(dev, ifsta); - } - return; - } - skip = !(local->hw_modes & (1 << mode->mode)); - chan = &mode->channels[local->scan_channel_idx]; - if (!(chan->flag & IEEE80211_CHAN_W_SCAN) || - (local->conf.mode == IW_MODE_ADHOC && - !(chan->flag & IEEE80211_CHAN_W_IBSS)) || - (local->hw_modes & (1 << MODE_IEEE80211G) && - mode->mode == MODE_IEEE80211B && local->scan_skip_11b)) - skip = 1; - - if (!skip) { -#if 0 - printk(KERN_DEBUG "%s: scan channel %d (%d MHz)\n", - dev->name, chan->chan, chan->freq); -#endif - - local->conf.channel = chan->chan; - local->conf.channel_val = chan->val; - local->conf.power_level = chan->power_level; - local->conf.freq = chan->freq; - local->conf.phymode = mode->mode; - local->conf.antenna_max = chan->antenna_max; - if (ieee80211_hw_config(dev)) { - printk(KERN_DEBUG "%s: failed to set channel " - "%d (%d MHz) for scan\n", dev->name, - chan->chan, chan->freq); - skip = 1; - } - } - - local->scan_channel_idx++; - if (local->scan_channel_idx >= - local->hw->modes[local->scan_hw_mode_idx].num_channels) { - local->scan_hw_mode_idx++; - local->scan_channel_idx = 0; - } - - if (skip) { - local->scan_timer.expires = jiffies; - break; - } - - local->scan_timer.expires = jiffies + IEEE80211_PROBE_DELAY; - local->scan_state = SCAN_SEND_PROBE; - break; - case SCAN_SEND_PROBE: - if (ieee80211_active_scan(local)) { - ieee80211_send_probe_req(dev, NULL, local->scan_ssid, - local->scan_ssid_len); - local->scan_timer.expires = - jiffies + IEEE80211_CHANNEL_TIME; - } else { - local->scan_timer.expires = - jiffies + IEEE80211_PASSIVE_CHANNEL_TIME; - } - local->scan_state = SCAN_SET_CHANNEL; - break; - } - - add_timer(&local->scan_timer); -} - - -int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len) -{ - struct ieee80211_local *local = dev->priv; - - if (ssid_len > IEEE80211_MAX_SSID_LEN) - return -EINVAL; - - /* MLME-SCAN.request (page 118) page 144 (11.1.3.1) - * BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS - * BSSID: MACAddress - * SSID - * ScanType: ACTIVE, PASSIVE - * ProbeDelay: delay (in microseconds) to be used prior to transmitting - * a Probe frame during active scanning - * ChannelList - * MinChannelTime (>= ProbeDelay), in TU - * MaxChannelTime: (>= MinChannelTime), in TU - */ - - /* MLME-SCAN.confirm - * BSSDescriptionSet - * ResultCode: SUCCESS, INVALID_PARAMETERS - */ - - /* TODO: if assoc, move to power save mode for the duration of the - * scan */ - - if (local->sta_scanning) - return -EBUSY; - - printk(KERN_DEBUG "%s: starting scan\n", dev->name); - - ieee80211_sta_save_oper_chan(dev); - - local->sta_scanning = 1; - /* TODO: stop TX queue? */ - - if (ssid) { - local->scan_ssid_len = ssid_len; - memcpy(local->scan_ssid, ssid, ssid_len); - } else - local->scan_ssid_len = 0; - local->scan_skip_11b = 1; /* FIX: clear this is 11g is not supported */ - local->scan_state = SCAN_SET_CHANNEL; - local->scan_hw_mode_idx = 0; - local->scan_channel_idx = 0; - init_timer(&local->scan_timer); - local->scan_timer.data = (unsigned long) dev; - local->scan_timer.function = ieee80211_sta_scan_timer; - local->scan_timer.expires = jiffies + 1; - add_timer(&local->scan_timer); - - return 0; -} - - -static char * -ieee80211_sta_scan_result(struct net_device *dev, - struct ieee80211_sta_bss *bss, - char *current_ev, char *end_buf) -{ - struct ieee80211_local *local = dev->priv; - struct iw_event iwe; - - if (time_after(jiffies, - bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE)) - return current_ev; - - if (!(local->hw_modes & (1 << bss->hw_mode))) - return current_ev; - - if (local->scan_flags & IEEE80211_SCAN_WPA_ONLY && - bss->wpa_ie == NULL && bss->rsn_ie == NULL) - return current_ev; - - if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID && - (local->scan_ssid_len != bss->ssid_len || - memcmp(local->scan_ssid, bss->ssid, bss->ssid_len) != 0)) - return current_ev; - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); - current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, - IW_EV_ADDR_LEN); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = bss->ssid_len; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - bss->ssid); - - if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWMODE; - if (bss->capability & WLAN_CAPABILITY_ESS) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_ADHOC; - current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, - IW_EV_UINT_LEN); - } - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = bss->freq * 100000; - iwe.u.freq.e = 1; - current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, - IW_EV_FREQ_LEN); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWENCODE; - if (bss->capability & WLAN_CAPABILITY_PRIVACY) - iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - iwe.u.data.length = 0; - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ""); - - if (bss && bss->wpa_ie) { - char *buf, *p; - int i; - buf = kmalloc(30 + bss->wpa_ie_len * 2, GFP_ATOMIC); - if (buf) { - p = buf; - p += sprintf(p, "wpa_ie="); - for (i = 0; i < bss->wpa_ie_len; i++) - p+= sprintf(p, "%02x", bss->wpa_ie[i]); - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, - &iwe, buf); - kfree(buf); - } - } - - if (bss && bss->rsn_ie) { - char *buf, *p; - int i; - buf = kmalloc(30 + bss->rsn_ie_len * 2, GFP_ATOMIC); - if (buf) { - p = buf; - p += sprintf(p, "rsn_ie="); - for (i = 0; i < bss->rsn_ie_len; i++) - p+= sprintf(p, "%02x", bss->rsn_ie[i]); - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, - &iwe, buf); - kfree(buf); - } - } - - if (bss) { - char *buf; - buf = kmalloc(30, GFP_ATOMIC); - if (buf) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "tsf=%016llx", bss->timestamp); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, - &iwe, buf); - kfree(buf); - } - } - - do { - char *buf, *p; - int i; - - if (!(local->scan_flags & IEEE80211_SCAN_EXTRA_INFO)) - break; - - buf = kmalloc(100, GFP_ATOMIC); - if (buf == NULL) - break; - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "bcn_int=%d", bss->beacon_int); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - buf); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "rssi=%d", bss->rssi); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - buf); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "capab=0x%04x", bss->capability); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - buf); - - p = buf; - p += sprintf(p, "supp_rates="); - for (i = 0; i < bss->supp_rates_len; i++) - p+= sprintf(p, "%02x", bss->supp_rates[i]); - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - buf); - - kfree(buf); - break; - } while (0); - - return current_ev; -} - - -int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr; - char *current_ev = buf; - char *end_buf = buf + len; - struct ieee80211_sta_bss *bss; - - spin_lock_bh(&local->sta_bss_lock); - list_for_each(ptr, &local->sta_bss_list) { - bss = list_entry(ptr, struct ieee80211_sta_bss, list); - current_ev = ieee80211_sta_scan_result(dev, bss, current_ev, - end_buf); - } - spin_unlock_bh(&local->sta_bss_lock); - return current_ev - buf; -} - - -int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_if_sta *ifsta = &sdata->u.sta; - kfree(ifsta->extra_ie); - if (len == 0) { - ifsta->extra_ie = NULL; - ifsta->extra_ie_len = 0; - return 0; - } - ifsta->extra_ie = kmalloc(len, GFP_KERNEL); - if (ifsta->extra_ie == NULL) { - ifsta->extra_ie_len = 0; - return -ENOMEM; - } - memcpy(ifsta->extra_ie, ie, len); - ifsta->extra_ie_len = len; - if (ifsta->bssid_set && ifsta->ssid_set && - ifsta->state != IEEE80211_AUTHENTICATE) - ieee80211_sta_new_auth(dev, ifsta); - return 0; -} - - -struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, - struct sk_buff *skb, u8 *bssid, - u8 *addr) -{ - struct ieee80211_local *local = dev->priv; - struct list_head *ptr; - struct sta_info *sta; - struct ieee80211_sub_if_data *sdata = NULL; - struct net_device *sta_dev = NULL; - - /* TODO: Could consider removing the least recently used entry and - * allow new one to be added. */ - if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: No room for a new IBSS STA " - "entry " MACSTR "\n", dev->name, MAC2STR(addr)); - } - return NULL; - } - - spin_lock_bh(&local->sub_if_lock); - list_for_each(ptr, &local->sub_if_list) { - sdata = list_entry(ptr, struct ieee80211_sub_if_data, list); - if (sdata->type == IEEE80211_SUB_IF_TYPE_STA && - memcmp(bssid, sdata->u.sta.bssid, ETH_ALEN) == 0) { - sta_dev = sdata->dev; - break; - } - } - spin_unlock_bh(&local->sub_if_lock); - - if (sta_dev == NULL) - return NULL; - - printk(KERN_DEBUG "%s: Adding new IBSS station " MACSTR " (dev=%s)\n", - dev->name, MAC2STR(addr), sta_dev->name); - - sta = sta_info_add(local, dev, addr); - if (sta == NULL) { - return NULL; - } - - sta->dev = sta_dev; - sta->supp_rates = sdata->u.sta.supp_rates_bits; - - rate_control_rate_init(local, sta); - - return sta; /* caller will call sta_info_release() */ -} - - -int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_if_sta *ifsta = &sdata->u.sta; - - printk(KERN_DEBUG "%s: deauthenticate(reason=%d)\n", - dev->name, reason); - - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - return -EINVAL; - - ieee80211_send_deauth(dev, ifsta, reason); - ieee80211_set_associated(dev, ifsta, 0); - return 0; -} - - -int ieee80211_sta_disassociate(struct net_device *dev, u16 reason) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_if_sta *ifsta = &sdata->u.sta; - - printk(KERN_DEBUG "%s: disassociate(reason=%d)\n", - dev->name, reason); - - if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) - return -EINVAL; - - if (!ifsta->associated) - return -1; - - ieee80211_send_disassoc(dev, ifsta, reason); - ieee80211_set_associated(dev, ifsta, 0); - return 0; -} diff --git a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211.h b/target/linux/package/ieee80211-dscape/src/include/net/ieee80211.h deleted file mode 100644 index 5d8975527a..0000000000 --- a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211.h +++ /dev/null @@ -1,872 +0,0 @@ -/* - * Low-level hardware driver -- IEEE 802.11 driver (80211.o) interface - * Copyright 2002-2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_H -#define IEEE80211_H - -#include "ieee80211_shared.h" - -/* Note! Only ieee80211_tx_status_irqsafe() and ieee80211_rx_irqsave() can be - * called in hardware interrupt context. The low-level driver must not call any - * other functions in hardware interrupt context. If there is a need for such - * call, the low-level driver should first ACK the interrupt and perform the - * IEEE 802.11 code call after this, e.g., from a scheduled tasklet (in - * software interrupt context). - */ - -/* - * Frame format used when passing frame between low-level hardware drivers - * and IEEE 802.11 driver the same as used in the wireless media, i.e., - * buffers start with IEEE 802.11 header and include the same octets that - * are sent over air. - * - * If hardware uses IEEE 802.3 headers (and perform 802.3 <-> 802.11 - * conversion in firmware), upper layer 802.11 code needs to be changed to - * support this. - * - * If the receive frame format is not the same as the real frame sent - * on the wireless media (e.g., due to padding etc.), upper layer 802.11 code - * could be updated to provide support for such format assuming this would - * optimize the performance, e.g., by removing need to re-allocation and - * copying of the data. - */ - -/* Interface version (used for compatibility verification) */ -#define IEEE80211_VERSION 2 - - -/* Channel information structure. Low-level driver is expected to fill in chan, - * freq, and val fields. Other fields will be filled in by 80211.o based on - * hostapd information and low-level driver does not need to use them. The - * limits for each channel will be provided in 'struct ieee80211_conf' when - * configuring the low-level driver with hw->config callback. */ -struct ieee80211_channel { - short chan; /* channel number (IEEE 802.11) */ - short freq; /* frequency in MHz */ - int val; /* hw specific value for the channel */ - int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */ - unsigned char power_level; - unsigned char antenna_max; -}; - -struct ieee80211_rate { - int rate; /* rate in 100 kbps */ - int val; /* hw specific value for the rate */ - int flags; /* IEEE80211_RATE_ flags */ - int val2; /* hw specific value for the rate when using short preamble - * (only when IEEE80211_RATE_PREAMBLE2 flag is set, i.e., for - * 2, 5.5, and 11 Mbps) */ - signed char min_rssi_ack; - unsigned char min_rssi_ack_delta; - - /* following fields are set by 80211.o and need not be filled by the - * low-level driver */ - int rate_inv; /* inverse of the rate (LCM(all rates) / rate) for - * optimizing channel utilization estimates */ -}; - -struct ieee80211_hw_modes { - int mode; - int num_channels; - struct ieee80211_channel *channels; - int num_rates; - struct ieee80211_rate *rates; - int xr_end; /* only used with Atheros XR */ -}; - -struct ieee80211_tx_queue_params { - int aifs; /* 0 .. 255; -1 = use default */ - int cw_min; /* 2^n-1: 1, 3, 7, .. , 1023; 0 = use default */ - int cw_max; /* 2^n-1: 1, 3, 7, .. , 1023; 0 = use default */ - int burst_time; /* maximum burst time in 0.1 ms (i.e., 10 = 1 ms); - * 0 = disabled */ -}; - -#define NUM_TX_DATA_QUEUES 6 - -struct ieee80211_tx_queue_stats_data { - unsigned int len; /* num packets in queue */ - unsigned int limit; /* queue len (soft) limit */ - unsigned int count; /* total num frames sent */ -}; - -struct ieee80211_tx_queue_stats { - struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES]; -}; - -#ifndef IEEE80211_TX_QUEUE_NUMS -#define IEEE80211_TX_QUEUE_NUMS -/* TODO: these need to be synchronized with hostapd_ioctl.h; make a shared - * header file that can be included into low-level drivers, 80211.o, and - * hostapd */ -enum { - IEEE80211_TX_QUEUE_DATA0 = 0, - IEEE80211_TX_QUEUE_DATA1 = 1, - IEEE80211_TX_QUEUE_DATA2 = 2, - IEEE80211_TX_QUEUE_DATA3 = 3, - IEEE80211_TX_QUEUE_DATA4 = 4, - IEEE80211_TX_QUEUE_SVP = 5, - IEEE80211_TX_QUEUE_AFTER_BEACON = 6, - IEEE80211_TX_QUEUE_BEACON = 7 -}; -#endif /* IEEE80211_TX_QUEUE_NUMS */ - - -struct ieee80211_low_level_stats { - unsigned int dot11ACKFailureCount; - unsigned int dot11RTSFailureCount; - unsigned int dot11FCSErrorCount; - unsigned int dot11RTSSuccessCount; -}; - -/* Transmit control fields. This data structure is passed to low-level driver - * with each TX frame. The low-level driver is responsible of configuring - * hardware to use given values (depending on what is supported). */ -#define HW_KEY_IDX_INVALID -1 - -struct ieee80211_tx_control { - enum { PKT_NORMAL = 0, PKT_PROBE_RESP } pkt_type; - int tx_rate; /* Transmit rate, given as the hw specific value for the - * rate (from struct ieee80211_rate) */ - int rts_cts_rate; /* Transmit rate for RTS/CTS frame, given as the hw - * specific value for the rate (from - * struct ieee80211_rate) */ - /* 1 = only first attempt, 2 = one retry, .. */ - unsigned int retry_limit:8; - /* duration field for RTS/CTS frame */ - unsigned int rts_cts_duration:16; - /* TODO: change these bit flags to use one unsigned int variable and - * defines with BIT(n). These are copied to TX status structure and - * this will make the code faster and smaller. */ - unsigned int req_tx_status:1; /* request TX status callback for this - * frame */ - unsigned int do_not_encrypt:1; /* send this frame without encryption; - * e.g., for EAPOL frames */ - unsigned int use_rts_cts:1; /* Use RTS-CTS before sending frame. */ - unsigned int use_cts_protect:1; /* Use CTS protection for the frame - * (e.g., for combined 802.11g / - * 802.11b networks) */ - unsigned int no_ack:1; /* Tell the low level not to wait for an ack */ - unsigned int rate_ctrl_probe:1; - unsigned int clear_dst_mask:1; - unsigned int requeue:1; - /* following three flags are only used with Atheros Super A/G */ - unsigned int compress:1; - unsigned int turbo_prime_notify:1; /* notify HostaAPd after frame - * transmission */ - unsigned int fast_frame:1; - - unsigned int atheros_xr:1; /* only used with Atheros XR */ - - unsigned int power_level:8; /* per-packet transmit power level, in dBm - */ - unsigned int antenna_sel:4; /* 0 = default/diversity, - * 1 = Ant0, 2 = Ant1 */ - int key_idx:8; /* -1 = do not encrypt, >= 0 keyidx from hw->set_key() - */ - int icv_len:8; /* Length of the ICV/MIC field in octets */ - int iv_len:8; /* Length of the IV field in octets */ - unsigned int queue:4; /* hardware queue to use for this frame; - * 0 = highest, hw->queues-1 = lowest */ - unsigned int sw_retry_attempt:4; /* no. of times hw has tried to - * transmit frame (not incl. hw retries) */ - -#if 0 - int rateidx; /* internal 80211.o rateidx, to be copied to tx_status */ - int alt_retry_rate; /* retry rate for the last retries, given as the - * hw specific value for the rate (from - * struct ieee80211_rate). To be used to limit - * packet dropping when probing higher rates, if hw - * supports multiple retry rates. -1 = not used */ -#endif -}; - -#define IEEE80211_CB_MAGIC 0xAAB80211 - -struct ieee80211_tx_packet_data { - unsigned int magic; - struct ieee80211_tx_control control; - unsigned long jiffies; - struct ieee80211_sub_if_data *sdata; -}; - -#define RX_FLAG_MMIC_ERROR 0x1 -#define RX_FLAG_DECRYPTED 0x2 -#define RX_FLAG_XR_DOUBLE_CHIRP 0x4 - -/* Receive status. The low-level driver should provide this information - * (the subset supported by hardware) to the 802.11 code with each received - * frame. - * Current implementation copies this into skb->cb, so it must be less than - * 48 bytes. */ -struct ieee80211_rx_status { -#if 0 - u64 hosttime; - u64 mactime; -#endif - int freq; /* receive frequency in Mhz */ - int channel; - int phymode; - int ssi; - int antenna; - int rate; - int flag; -}; - -/* Transmit status. The low-level driver should provide this information - * (the subset supported by hardware) to the 802.11 code for each transmit - * frame. */ -struct ieee80211_tx_status { - /* flags copied from struct ieee80211_tx_control) */ - unsigned int req_tx_status:1; /* whether TX status was explicitly - * requested */ - unsigned int rate_ctrl_probe:1; /* whether this was a probe packet from - * rate control */ - unsigned int tx_filtered:1; - - /* following three fields are only used with Atheros Super A/G */ - unsigned int turbo_prime_notify:1; /* notify HostAPd - CTS for Turbo - * Prime is sent */ - int queue_length; /* information about TX queue */ - int queue_number; - - int ack; /* whether the TX frame was ACKed */ - int ack_signal; /* measured signal strength of the ACK frame */ - int excessive_retries; - int retry_count; - int rateidx; /* internal 80211.o rateidx, to be copied to tx_status */ -}; - - -struct ieee80211_conf { - int channel; /* IEEE 802.11 channel number */ - int freq; /* MHz */ - int channel_val; /* hw specific value for the channel */ - - int mode; /* IW_MODE_ */ - - int phymode; /* MODE_IEEE80211A, .. */ - unsigned int regulatory_domain; - int adm_status; - - int beacon_int; - - /* Bitfields, grouped together */ - - int sw_encrypt:1; - int sw_decrypt:1; - int short_slot_time:1; /* use IEEE 802.11g Short Slot Time */ - int ssid_hidden:1; /* do not broadcast the ssid */ - - /* these fields are used by low level drivers for hardware - * that generate beacons independently */ - u8 *ssid; - size_t ssid_len; - u8 *generic_elem; - size_t generic_elem_len; - - u8 power_level; /* transmit power limit for current - * regulatory domain; in dBm */ - u8 antenna_max; /* maximum antenna gain */ - short tx_power_reduction; /* in 0.1 dBm */ - - int antenna_sel; /* default antenna conf: - * 0 = default/diversity, - * 1 = Ant0, - * 2 = Ant1 */ - - int calib_int; /* hw/radio calibration interval in - * seconds */ - int antenna_def; - int antenna_mode; - - u8 bssid_mask[ETH_ALEN]; /* ff:ff:ff:ff:ff:ff = 1 BSSID */ - int bss_count; - - int atheros_super_ag_compression; - int atheros_super_ag_fast_frame; - int atheros_super_ag_burst; - int atheros_super_ag_wme_ele; - int atheros_super_ag_turbo_g; - int atheros_super_ag_turbo_prime; - - int atheros_xr; - - u8 client_bssid[ETH_ALEN]; - - /* Following five fields are used for IEEE 802.11H */ - unsigned int radar_detect; - unsigned int spect_mgmt; - unsigned int quiet_duration; /* duration of quiet period */ - unsigned int quiet_offset; /* how far into the beacon is the quiet - * period */ - unsigned int quiet_period; -}; - - -typedef enum { ALG_NONE, ALG_WEP, ALG_TKIP, ALG_CCMP, ALG_NULL } -ieee80211_key_alg; - - -struct ieee80211_key_conf { - - int hw_key_idx; /* filled + used by low-level driver */ - ieee80211_key_alg alg; - int keylen; - - int force_sw_encrypt:1; /* to be cleared by low-level driver */ - int keyidx:8; /* WEP key index */ - int default_tx_key:1; /* This key is the new default TX key - * (used only for broadcast keys). */ - int default_wep_only:1; /* static WEP is the only configured security - * policy; this allows some low-level drivers - * to determine when hwaccel can be used */ - u8 key[0]; -}; - -#define IEEE80211_SCAN_START 1 -#define IEEE80211_SCAN_END 2 - -struct ieee80211_scan_conf { - int scan_channel; /* IEEE 802.11 channel number to do passive scan - * on */ - int scan_freq; /* new freq in MHz to switch to for passive scan - */ - int scan_channel_val; /* hw specific value for the channel */ - int scan_phymode; /* MODE_IEEE80211A, .. */ - unsigned char scan_power_level; - unsigned char scan_antenna_max; - - - int running_channel; /* IEEE 802.11 channel number we operate on - * normally */ - int running_freq; /* freq in MHz we're operating on normally */ - int running_channel_val; /* hw specific value for the channel */ - int running_phymode; - unsigned char running_power_level; - unsigned char running_antenna_max; - - int scan_time; /* time a scan will take in us */ - int tries; - - struct sk_buff *skb; /* skb to transmit before changing channels, maybe - * NULL for none */ - struct ieee80211_tx_control *tx_control; - -}; - -#ifndef IW_MODE_ADHOC -#define IW_MODE_ADHOC 1 -#endif - -#ifndef IW_MODE_INFRA -#define IW_MODE_INFRA 2 -#endif - -#ifndef IW_MODE_MASTER -#define IW_MODE_MASTER 3 -#endif - -#ifndef IW_MODE_MONITOR -#define IW_MODE_MONITOR 6 -#endif - -#define IEEE80211_SEQ_COUNTER_RX 0 -#define IEEE80211_SEQ_COUNTER_TX 1 - -typedef enum { - SET_KEY, DISABLE_KEY, REMOVE_ALL_KEYS, - ENABLE_COMPRESSION, DISABLE_COMPRESSION -} set_key_cmd; - -/* Configuration block used by the low-level driver to tell 802.11 code about - * supported hardware features and to pass function pointers for callback - * functions. */ -struct ieee80211_hw { - int version; /* IEEE80211_VERSION */ - - /* Driver name */ - char *name; - - /* TODO: frame_type 802.11/802.3, sw_encryption requirements */ - - /* Some wireless LAN chipsets generate beacons in the hardware/firmware - * and others rely on host generated beacons. This option is used to - * configure upper layer IEEE 802.11 module to generate beacons. The - * low-level driver can use ieee80211_beacon_get() to fetch next - * beacon frame. */ - int host_gen_beacon:1; - - - /* Some devices handle decryption internally and do not - * indicate whether the frame was encrypted (unencrypted frames - * will be dropped by the hardware, unless specifically allowed - * through) */ - int device_hides_wep:1; - - /* Whether RX frames passed to ieee80211_rx() include FCS in the end - */ - int rx_includes_fcs:1; - - /* Some wireless LAN chipsets buffer broadcast/multicast frames for - * power saving stations in the hardware/firmware and others rely on - * the host system for such buffering. This option is used to - * configure upper layer IEEE 802.11 to buffer broadcast/multicast - * frames when there are power saving stations so that low-level driver - * can fetch them with ieee80211_get_buffered_bc(). */ - int host_broadcast_ps_buffering:1; - - int wep_include_iv:1; - int data_nullfunc_ack:1; /* will data nullfunc frames get proper - * TX status callback */ - - /* Force sw version of encryption for TKIP packets if WMM is enabled. - */ - int no_tkip_wmm_hwaccel:1; - - /* 1 if the payload needs to be padded at even boundaries after the - * header */ - unsigned int extra_hdr_room:1; - - /* Some devices handle Michael MIC internally and do not include MIC in - * the received packets given to 80211.o. device_strips_mic must be set - * for such devices. ISWEP bit is still expected to be set in the IEEE - * 802.11 header with this option unlike with device_hides_wep option. - */ - unsigned int device_strips_mic:1; - - /* 1 = low-level driver supports skb fraglist (NETIF_F_FRAGLIST), i.e., - * more than one skb per frame */ - unsigned int fraglist; - - /* This is the time in us to change channels - */ - int channel_change_time; - - int num_modes; - struct ieee80211_hw_modes *modes; - - /* Handler that 802.11 module calls for each transmitted frame. - * skb contains the buffer starting from the IEEE 802.11 header. - * The low-level driver should send the frame out based on - * configuration in the TX control data. */ - int (*tx)(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_control *control); - - /* Handler for performing hardware reset. */ - int (*reset)(struct net_device *dev); - - /* Handler that is called when any netdevice attached to the hardware - * device is set UP for the first time. This can be used, e.g., to - * enable interrupts and beacon sending. */ - int (*open)(struct net_device *dev); - - /* Handler that is called when the last netdevice attached to the - * hardware device is set DOWN. This can be used, e.g., to disable - * interrupts and beacon sending. */ - int (*stop)(struct net_device *dev); - - /* Handler for configuration requests. IEEE 802.11 code calls this - * function to change hardware configuration, e.g., channel. */ - int (*config)(struct net_device *dev, struct ieee80211_conf *conf); - - /* Set TIM bit handler. If the hardware/firmware takes care of beacon - * generation, IEEE 802.11 code uses this function to tell the - * low-level to set (or clear if set==0) TIM bit for the given aid. If - * host system is used to generate beacons, this handler is not used - * and low-level driver should set it to NULL. */ - int (*set_tim)(struct net_device *dev, int aid, int set); - - /* Set encryption key. IEEE 802.11 module calls this function to set - * encryption keys. addr is ff:ff:ff:ff:ff:ff for default keys and - * station hwaddr for individual keys. aid of the station is given - * to help low-level driver in selecting which key->hw_key_idx to use - * for this key. TX control data will use the hw_key_idx selected by - * the low-level driver. */ - int (*set_key)(struct net_device *dev, set_key_cmd cmd, u8 *addr, - struct ieee80211_key_conf *key, int aid); - - /* Set TX key index for default/broadcast keys. This is needed in cases - * where wlan card is doing full WEP/TKIP encapsulation (wep_include_iv - * is not set), in other cases, this function pointer can be set to - * NULL since 80211.o takes care of selecting the key index for each - * TX frame. */ - int (*set_key_idx)(struct net_device *dev, int idx); - - /* Enable/disable IEEE 802.1X. This item requests wlan card to pass - * unencrypted EAPOL-Key frames even when encryption is configured. - * If the wlan card does not require such a configuration, this - * function pointer can be set to NULL. 80211.o */ - int (*set_ieee8021x)(struct net_device *dev, int use_ieee8021x); - - /* Set port authorization state (IEEE 802.1X PAE) to be authorized - * (authorized=1) or unauthorized (authorized=0). This function can be - * used if the wlan hardware or low-level driver implements PAE. - * 80211.o module will anyway filter frames based on authorization - * state, so this function pointer can be NULL if low-level driver does - * not require event notification about port state changes. */ - int (*set_port_auth)(struct net_device *dev, u8 *addr, int authorized); - - /* Ask the hardware to do a passive scan on a new channel. The hardware - * will do what ever is required to nicely leave the current channel - * including transmit any CTS packets, etc. */ - int (*passive_scan)(struct net_device *dev, int state, - struct ieee80211_scan_conf *conf); - - /* return low-level statistics */ - int (*get_stats)(struct net_device *dev, - struct ieee80211_low_level_stats *stats); - - /* Enable/disable test modes; mode = IEEE80211_TEST_* */ - int (*test_mode)(struct net_device *dev, int mode); - - /* Configuration of test parameters */ - int (*test_param)(struct net_device *dev, int param, int value); - - /* Change MAC address. addr is pointer to struct sockaddr. */ - int (*set_mac_address)(struct net_device *dev, void *addr); - - /* For devices that generate their own beacons and probe response - * or association responses this updates the state of privacy_invoked - * returns 0 for success or an error number */ - - int (*set_privacy_invoked)(struct net_device *dev, - int privacy_invoked); - - /* For devices that have internal sequence counters, allow 802.11 - * code to access the current value of a counter */ - int (*get_sequence_counter)(struct net_device *dev, - u8* addr, u8 keyidx, u8 txrx, - u32* iv32, u16* iv16); - - /* Configuration of RTS threshold (if device needs it) */ - int (*set_rts_threshold)(struct net_device *dev, u32 value); - - /* Configuration of fragmentation threshold (if device needs it) */ - int (*set_frag_threshold)(struct net_device *dev, u32 value); - - /* Configuration of retry limits (if device needs it) */ - int (*set_retry_limit)(struct net_device *dev, u32 short_retry, - u32 long_retr); - - /* Number of STAs in STA table notification (NULL = disabled) */ - void (*sta_table_notification)(struct net_device *dev, int num_sta); - - /* Configure TX queue parameters (EDCF (aifs, cw_min, cw_max), - * bursting) for a hardware TX queue. - * queue = IEEE80211_TX_QUEUE_*. */ - int (*conf_tx)(struct net_device *dev, int queue, - const struct ieee80211_tx_queue_params *params); - - /* Get statistics of the current TX queue status. This is used to get - * number of currently queued packets (queue length), maximum queue - * size (limit), and total number of packets sent using each TX queue - * (count). This information is used for WMM to find out which TX - * queues have room for more packets and by hostapd to provide - * statistics about the current queueing state to external programs. */ - int (*get_tx_stats)(struct net_device *dev, - struct ieee80211_tx_queue_stats *stats); - - /* Number of available hardware TX queues for data packets. - * WMM requires at least four queues. */ - int queues; - - /* Get the current TSF timer value from firmware/hardware. Currently, - * this is only used for IBSS mode debugging and, as such, is not a - * required function. */ - u64 (*get_tsf)(struct net_device *dev); - - /* Reset the TSF timer and allow firmware/hardware to synchronize with - * other STAs in the IBSS. This is only used in IBSS mode. This - * function is optional if the firmware/hardware takes full care of - * TSF synchronization. */ - void (*reset_tsf)(struct net_device *dev); - - /* Setup beacon data for IBSS beacons. Unlike access point (Master), - * IBSS uses a fixed beacon frame which is configured using this - * function. This handler is required only for IBSS mode. */ - int (*beacon_update)(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_control *control); - - /* Determine whether the last IBSS beacon was sent by us. This is - * needed only for IBSS mode and the result of this function is used to - * determine whether to reply to Probe Requests. */ - int (*tx_last_beacon)(struct net_device *dev); - - /* Optional handler for XR-in-use notification. */ - int (*atheros_xr_in_use)(struct net_device *dev, int in_use); -}; - -/* Allocate a new hardware device. This must be called once for each - * hardware device. The returned pointer must be used to refer to this - * device when calling other functions. 802.11 code allocates a private data - * area for the low-level driver. The size of this area is given as - * priv_data_len. ieee80211_dev_hw_data() is used to get a pointer to the - * private data area. - * - * Note: in this version of the interface the returned pointer is struct - * net_device *. This may change in the future and low-level driver should - * not refer the device data directly to remain compatible with the future - * versions of the interface. */ -struct net_device *ieee80211_alloc_hw(size_t priv_data_len, - void (*setup)(struct net_device *)); - -/* Register hardware device to the IEEE 802.11 code and kernel. Low-level - * drivers must call this function before using any other IEEE 802.11 - * function. */ -int ieee80211_register_hw(struct net_device *dev, struct ieee80211_hw *hw); - -/* This function is allowed to update hardware configuration (e.g., list of - * supported operation modes and rates). */ -int ieee80211_update_hw(struct net_device *dev, struct ieee80211_hw *hw); - -/* Unregister a hardware device. This function instructs 802.11 code to free - * allocated resources and unregister netdevices from the kernel. */ -void ieee80211_unregister_hw(struct net_device *dev); - -/* Free allocated net_device including private data of a driver. */ -void ieee80211_free_hw(struct net_device *dev); - -/* Receive frame callback function. The low-level driver uses this function to - * send received frames to the IEEE 802.11 code. Receive buffer (skb) must - * start with IEEE 802.11 header. */ -void ieee80211_rx(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *status); -void ieee80211_rx_irqsafe(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *status); - -/* Transmit status callback function. The low-level driver must call this - * function to report transmit status for all the TX frames that had - * req_tx_status set in the transmit control fields. In addition, this should - * be called at least for all unicast frames to provide information for TX rate - * control algorithm. In order to maintain all statistics, this function is - * recommended to be called after each frame, including multicast/broadcast, is - * sent. */ -void ieee80211_tx_status(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_status *status); -void ieee80211_tx_status_irqsafe(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_status *status); - -/* Beacon generation function. If the beacon frames are generated by the host - * system (i.e., not in hardware/firmware), the low-level driver uses this - * function to receive the next beacon frame from the 802.11 code. The - * low-level is responsible for calling this function before beacon data is - * needed (e.g., based on hardware interrupt). Returned skb is used only once - * and low-level driver is responsible of freeing it. */ -struct sk_buff * ieee80211_beacon_get(struct net_device *dev, int bss_idx, - struct ieee80211_tx_control *control); - -/* Function for accessing buffered broadcast and multicast frames. If - * hardware/firmware does not implement buffering of broadcast/multicast - * frames when power saving is used, 802.11 code buffers them in the host - * memory. The low-level driver uses this function to fetch next buffered - * frame. In most cases, this is used when generating beacon frame. This - * function returns a pointer to the next buffered skb or NULL if no more - * buffered frames are available. - * - * Note: buffered frames are returned only after DTIM beacon frame was - * generated with ieee80211_beacon_get() and the low-level driver must thus - * call ieee80211_beacon_get() first. ieee80211_get_buffered_bc() returns - * NULL if the previous generated beacon was not DTIM, so the low-level driver - * does not need to check for DTIM beacons separately and should be able to - * use common code for all beacons. */ -struct sk_buff * -ieee80211_get_buffered_bc(struct net_device *dev, int bss_idx, - struct ieee80211_tx_control *control); - -/* Low level drivers that have their own MLME and MAC indicate - * the aid for an associating station with this call */ -int ieee80211_set_aid_for_sta(struct net_device *dev, u8 *peer_address, - u16 aid); - - -/* Given an sk_buff with a raw 802.11 header at the data pointer this function - * returns the 802.11 header length in bytes (not including encryption - * headers). If the data in the sk_buff is too short to contain a valid 802.11 - * header the function returns 0. - */ -int ieee80211_get_hdrlen_from_skb(struct sk_buff *skb); - -/* Like ieee80211_get_hdrlen_from_skb() but takes a FC in CPU order. */ -int ieee80211_get_hdrlen(u16 fc); - -/* Function for net interface operation. IEEE 802.11 may use multiple kernel - * netdevices for each hardware device. The low-level driver does not "see" - * these interfaces, so it should use this function to perform netif - * operations on all interface. */ -typedef enum { - NETIF_ATTACH, NETIF_DETACH, NETIF_START, NETIF_STOP, NETIF_WAKE, - NETIF_IS_STOPPED, NETIF_UPDATE_TX_START -} Netif_Oper; -int ieee80211_netif_oper(struct net_device *dev, Netif_Oper op); - - -/* - * Function to get hardware configuration information - * by the low level driver should it need it. - */ -struct ieee80211_conf * -ieee80211_get_hw_conf(struct net_device *dev); - - -/* Return a pointer to the low-level private data area for the given device. */ -void * ieee80211_dev_hw_data(struct net_device *dev); -/* Return a pointer to network statistics data area for the given device. */ -void * ieee80211_dev_stats(struct net_device *dev); - -/* Function to indicate Radar Detection. The low level driver must call this - * function to indicate the presence of radar in the current channel. - * Additionally the radar type also could be sent */ -int ieee80211_radar_status(struct net_device *dev, int channel, int radar, - int radar_type); - -/* Test modes */ -enum { - IEEE80211_TEST_DISABLE = 0 /* terminate testing */, - IEEE80211_TEST_UNMASK_CHANNELS = 1 /* allow all channels to be used */, - IEEE80211_TEST_CONTINUOUS_TX = 2, -}; - -/* Test parameters */ -enum { - /* TX power in hardware specific raw value */ - IEEE80211_TEST_PARAM_TX_POWER_RAW = 0, - /* TX rate in hardware specific raw value */ - IEEE80211_TEST_PARAM_TX_RATE_RAW = 1, - /* Continuous TX pattern (32-bit) */ - IEEE80211_TEST_PARAM_TX_PATTERN = 2, - /* TX power in 0.1 dBm, 100 = 10 dBm */ - IEEE80211_TEST_PARAM_TX_POWER = 3, - /* TX rate in 100 kbps, 540 = 54 Mbps */ - IEEE80211_TEST_PARAM_TX_RATE = 4, - IEEE80211_TEST_PARAM_TX_ANT_SEL_RAW = 5, -}; - -/* ieee80211_tx_led called with state == 1 when the first frame is queued - * with state == 0 when the last frame is transmitted and tx queue is empty - */ -void ieee80211_tx_led(int state, struct net_device *dev); -/* ieee80211_rx_led is called each time frame is received, state is not used - * (== 2) - */ -void ieee80211_rx_led(int state, struct net_device *dev); - - -/* IEEE 802.11 defines */ - -#define FCS_LEN 4 - -#define WLAN_FC_PVER 0x0003 -#define WLAN_FC_TODS 0x0100 -#define WLAN_FC_FROMDS 0x0200 -#define WLAN_FC_MOREFRAG 0x0400 -#define WLAN_FC_RETRY 0x0800 -#define WLAN_FC_PWRMGT 0x1000 -#define WLAN_FC_MOREDATA 0x2000 -#define WLAN_FC_ISWEP 0x4000 -#define WLAN_FC_ORDER 0x8000 - -#define WLAN_FC_GET_TYPE(fc) (((fc) & 0x000c) >> 2) -#define WLAN_FC_GET_STYPE(fc) (((fc) & 0x00f0) >> 4) - -#define WLAN_GET_SEQ_FRAG(seq) ((seq) & 0x000f) -#define WLAN_GET_SEQ_SEQ(seq) ((seq) >> 4) - -#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) - -#define WLAN_FC_TYPE_MGMT 0 -#define WLAN_FC_TYPE_CTRL 1 -#define WLAN_FC_TYPE_DATA 2 - -/* management */ -#define WLAN_FC_STYPE_ASSOC_REQ 0 -#define WLAN_FC_STYPE_ASSOC_RESP 1 -#define WLAN_FC_STYPE_REASSOC_REQ 2 -#define WLAN_FC_STYPE_REASSOC_RESP 3 -#define WLAN_FC_STYPE_PROBE_REQ 4 -#define WLAN_FC_STYPE_PROBE_RESP 5 -#define WLAN_FC_STYPE_BEACON 8 -#define WLAN_FC_STYPE_ATIM 9 -#define WLAN_FC_STYPE_DISASSOC 10 -#define WLAN_FC_STYPE_AUTH 11 -#define WLAN_FC_STYPE_DEAUTH 12 -#define WLAN_FC_STYPE_ACTION 13 - -/* control */ -#define WLAN_FC_STYPE_PSPOLL 10 -#define WLAN_FC_STYPE_RTS 11 -#define WLAN_FC_STYPE_CTS 12 -#define WLAN_FC_STYPE_ACK 13 -#define WLAN_FC_STYPE_CFEND 14 -#define WLAN_FC_STYPE_CFENDACK 15 - -/* data */ -#define WLAN_FC_STYPE_DATA 0 -#define WLAN_FC_STYPE_DATA_CFACK 1 -#define WLAN_FC_STYPE_DATA_CFPOLL 2 -#define WLAN_FC_STYPE_DATA_CFACKPOLL 3 -#define WLAN_FC_STYPE_NULLFUNC 4 -#define WLAN_FC_STYPE_CFACK 5 -#define WLAN_FC_STYPE_CFPOLL 6 -#define WLAN_FC_STYPE_CFACKPOLL 7 -#define WLAN_FC_STYPE_QOS_DATA 8 -#define WLAN_FC_STYPE_QOS_DATA_CFACK 9 -#define WLAN_FC_STYPE_QOS_DATA_CFPOLL 10 -#define WLAN_FC_STYPE_QOS_DATA_CFACKPOLL 11 -#define WLAN_FC_STYPE_QOS_NULLFUNC 12 -#define WLAN_FC_STYPE_QOS_CFACK 13 -#define WLAN_FC_STYPE_QOS_CFPOLL 14 -#define WLAN_FC_STYPE_QOS_CFACKPOLL 15 - - -#define IEEE80211_MAX_FRAG_THRESHOLD 2346 -#define IEEE80211_MAX_RTS_THRESHOLD 2347 - -struct ieee80211_hdr { - u16 frame_control; - u16 duration_id; - u8 addr1[6]; - u8 addr2[6]; - u8 addr3[6]; - u16 seq_ctrl; - u8 addr4[6]; -} __attribute__ ((packed)); - -/* return a pointer to the source address (SA) */ -static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) -{ - u8 *raw = (u8 *) hdr; - u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */ - - switch (tofrom) { - case 2: - return hdr->addr3; - case 3: - return hdr->addr4; - } - return hdr->addr2; -} - -/* return a pointer to the destination address (DA) */ -static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) -{ - u8 *raw = (u8 *) hdr; - u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */ - - if (to_ds) - return hdr->addr3; - return hdr->addr1; -} - -static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr) -{ - return (le16_to_cpu(hdr->frame_control) & WLAN_FC_MOREFRAG) != 0; -} - -#endif /* IEEE80211_H */ diff --git a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_common.h b/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_common.h deleted file mode 100644 index 68c1663861..0000000000 --- a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_common.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * IEEE 802.11 driver (80211.o) -- hostapd interface - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_COMMON_H -#define IEEE80211_COMMON_H - -/* - * This is common header information with user space. It is used on all - * frames sent to wlan#ap interface. - */ - -#define IEEE80211_FI_VERSION 0x80211001 - -struct ieee80211_frame_info { - u32 version; - u32 length; - u64 mactime; - u64 hosttime; - u32 phytype; - u32 channel; - u32 datarate; - u32 antenna; - u32 priority; - u32 ssi_type; - u32 ssi_signal; - u32 ssi_noise; - u32 preamble; - u32 encoding; - - /* Note: this structure is otherwise identical to capture format used - * in linux-wlan-ng, but this additional field is used to provide meta - * data about the frame to hostapd. This was the easiest method for - * providing this information, but this might change in the future. */ - u32 msg_type; -} __attribute__ ((packed)); - - -enum ieee80211_msg_type { - ieee80211_msg_normal = 0, - ieee80211_msg_tx_callback_ack = 1, - ieee80211_msg_tx_callback_fail = 2, - ieee80211_msg_passive_scan = 3, - ieee80211_msg_wep_frame_unknown_key = 4, - ieee80211_msg_michael_mic_failure = 5, - ieee80211_msg_monitor = 6, - ieee80211_msg_sta_not_assoc = 7, - ieee80211_msg_set_aid_for_sta = 8 /* used by Intersil MVC driver */, - ieee80211_msg_key_threshold_notification = 9, - ieee80211_msg_radar = 11, -}; - -struct ieee80211_msg_set_aid_for_sta { - char sta_address[ETH_ALEN]; - u16 aid; -}; - -struct ieee80211_msg_key_notification { - int tx_rx_count; - char ifname[IFNAMSIZ]; - u8 addr[ETH_ALEN]; /* ff:ff:ff:ff:ff:ff for broadcast keys */ -}; - - -enum ieee80211_phytype { - ieee80211_phytype_fhss_dot11_97 = 1, - ieee80211_phytype_dsss_dot11_97 = 2, - ieee80211_phytype_irbaseband = 3, - ieee80211_phytype_dsss_dot11_b = 4, - ieee80211_phytype_pbcc_dot11_b = 5, - ieee80211_phytype_ofdm_dot11_g = 6, - ieee80211_phytype_pbcc_dot11_g = 7, - ieee80211_phytype_ofdm_dot11_a = 8, - ieee80211_phytype_dsss_dot11_turbog = 255, - ieee80211_phytype_dsss_dot11_turbo = 256, -}; - -enum ieee80211_ssi_type { - ieee80211_ssi_none = 0, - ieee80211_ssi_norm = 1, /* normalized, 0-1000 */ - ieee80211_ssi_dbm = 2, - ieee80211_ssi_raw = 3, /* raw SSI */ -}; - -struct ieee80211_radar_info { - int channel; - int radar; - int radar_type; -}; - -#endif /* IEEE80211_COMMON_H */ diff --git a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_mgmt.h b/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_mgmt.h deleted file mode 100644 index 86732684ea..0000000000 --- a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_mgmt.h +++ /dev/null @@ -1,196 +0,0 @@ -/* - * IEEE 802.11 -- shared defines for 80211.o and hostapd - * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi> - * Copyright 2002-2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE802_11_MGMT_H -#define IEEE802_11_MGMT_H - - -struct ieee80211_mgmt { - u16 frame_control; - u16 duration; - u8 da[6]; - u8 sa[6]; - u8 bssid[6]; - u16 seq_ctrl; - union { - struct { - u16 auth_alg; - u16 auth_transaction; - u16 status_code; - /* possibly followed by Challenge text */ - u8 variable[0]; - } __attribute__ ((packed)) auth; - struct { - u16 reason_code; - } __attribute__ ((packed)) deauth; - struct { - u16 capab_info; - u16 listen_interval; - /* followed by SSID and Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) assoc_req; - struct { - u16 capab_info; - u16 status_code; - u16 aid; - /* followed by Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) assoc_resp, reassoc_resp; - struct { - u16 capab_info; - u16 listen_interval; - u8 current_ap[6]; - /* followed by SSID and Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) reassoc_req; - struct { - u16 reason_code; - } __attribute__ ((packed)) disassoc; - struct { - u8 timestamp[8]; - u16 beacon_int; - u16 capab_info; - /* followed by some of SSID, Supported rates, - * FH Params, DS Params, CF Params, IBSS Params, TIM */ - u8 variable[0]; - } __attribute__ ((packed)) beacon; - struct { - /* only variable items: SSID, Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) probe_req; - struct { - u8 timestamp[8]; - u16 beacon_int; - u16 capab_info; - /* followed by some of SSID, Supported rates, - * FH Params, DS Params, CF Params, IBSS Params */ - u8 variable[0]; - } __attribute__ ((packed)) probe_resp; - struct { - u8 category; - union { - struct { - u8 action_code; - u8 dialog_token; - u8 status_code; - u8 variable[0]; - } __attribute__ ((packed)) wme_action; - struct{ - u8 action_code; - u8 element_id; - u8 length; - u8 switch_mode; - u8 new_chan; - u8 switch_count; - } __attribute__((packed)) chan_switch; - } u; - } __attribute__ ((packed)) action; - } u; -} __attribute__ ((packed)); - - -/* Authentication algorithms */ -#define WLAN_AUTH_OPEN 0 -#define WLAN_AUTH_SHARED_KEY 1 -#define WLAN_AUTH_LEAP 128 - -#define WLAN_AUTH_CHALLENGE_LEN 128 - -#define WLAN_CAPABILITY_ESS BIT(0) -#define WLAN_CAPABILITY_IBSS BIT(1) -#define WLAN_CAPABILITY_CF_POLLABLE BIT(2) -#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3) -#define WLAN_CAPABILITY_PRIVACY BIT(4) -#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5) -#define WLAN_CAPABILITY_PBCC BIT(6) -#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7) -/* 802.11h */ -#define WLAN_CAPABILITY_SPECTRUM_MGMT BIT(8) -#define WLAN_CAPABILITY_SHORT_SLOT_TIME BIT(10) -#define WLAN_CAPABILITY_DSSS_OFDM BIT(13) - -/* Status codes */ -#define WLAN_STATUS_SUCCESS 0 -#define WLAN_STATUS_UNSPECIFIED_FAILURE 1 -#define WLAN_STATUS_CAPS_UNSUPPORTED 10 -#define WLAN_STATUS_REASSOC_NO_ASSOC 11 -#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12 -#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13 -#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14 -#define WLAN_STATUS_CHALLENGE_FAIL 15 -#define WLAN_STATUS_AUTH_TIMEOUT 16 -#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17 -#define WLAN_STATUS_ASSOC_DENIED_RATES 18 -/* 802.11b */ -#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19 -#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20 -#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21 -/* 802.11h */ -#define WLAN_STATUS_SPEC_MGMT_REQUIRED 22 -#define WLAN_STATUS_PWR_CAPABILITY_NOT_VALID 23 -#define WLAN_STATUS_SUPPORTED_CHANNEL_NOT_VALID 24 -/* 802.11g */ -#define WLAN_STATUS_ASSOC_DENOED_NO_SHORT_SLOT_TIME 25 -#define WLAN_STATUS_ASSOC_DENOED_NO_ER_PBCC 26 -#define WLAN_STATUS_ASSOC_DENOED_NO_DSSS_OFDM 27 - - -/* Reason codes */ -#define WLAN_REASON_UNSPECIFIED 1 -#define WLAN_REASON_PREV_AUTH_NOT_VALID 2 -#define WLAN_REASON_DEAUTH_LEAVING 3 -#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4 -#define WLAN_REASON_DISASSOC_AP_BUSY 5 -#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6 -#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7 -#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8 -#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9 -/* 802.11h */ -#define WLAN_REASON_PWR_CAPABILITY_NOT_VALID 10 -#define WLAN_REASON_SUPPORTED_CHANNEL_NOT_VALID 11 - -#define WLAN_REASON_MIC_FAILURE 14 - - -/* Information Element IDs */ -#define WLAN_EID_SSID 0 -#define WLAN_EID_SUPP_RATES 1 -#define WLAN_EID_FH_PARAMS 2 -#define WLAN_EID_DS_PARAMS 3 -#define WLAN_EID_CF_PARAMS 4 -#define WLAN_EID_TIM 5 -#define WLAN_EID_IBSS_PARAMS 6 -#define WLAN_EID_COUNTRY 7 -#define WLAN_EID_CHALLENGE 16 -/* EIDs defined as part fo 11h - starts */ -#define WLAN_EID_PWR_CONSTRAINT 32 -#define WLAN_EID_PWR_CAPABILITY 33 -#define WLAN_EID_TPC_REQUEST 34 -#define WLAN_EID_TPC_REPORT 35 -#define WLAN_EID_SUPPORTED_CHANNELS 36 -#define WLAN_EID_CHANNEL_SWITCH 37 -#define WLAN_EID_MEASURE_REQUEST 38 -#define WLAN_EID_MEASURE_REPORT 39 -#define WLAN_EID_QUITE 40 -#define WLAN_EID_IBSS_DFS 41 -/* EIDs defined as part fo 11h - ends */ -#define WLAN_EID_ERP_INFO 42 -#define WLAN_EID_RSN 48 -#define WLAN_EID_EXT_SUPP_RATES 50 -#define WLAN_EID_WPA 221 -#define WLAN_EID_GENERIC 221 -#define WLAN_EID_VENDOR_SPECIFIC 221 - - - -#define ATHEROS_INFO_USEXR BIT(3) - -#endif /* IEEE802_11_MGMT_H */ diff --git a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_shared.h b/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_shared.h deleted file mode 100644 index 95355bb222..0000000000 --- a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_shared.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * IEEE 802.11 -- shared defines for low-level drivers, 80211.o, and hostapd - * Copyright 2002-2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_SHARED_H -#define IEEE80211_SHARED_H - -/* 802.11g is backwards-compatible with 802.11b, so a wlan card can - * actually be both in 11b and 11g modes at the same time. */ -enum { - MODE_IEEE80211A = 0 /* IEEE 802.11a */, - MODE_IEEE80211B = 1 /* IEEE 802.11b only */, - MODE_ATHEROS_TURBO = 2 /* Atheros Turbo mode (2x.11a at 5 GHz) */, - MODE_IEEE80211G = 3 /* IEEE 802.11g (and 802.11b compatibility) */, - MODE_ATHEROS_TURBOG = 4 /* Atheros Turbo mode (2x.11g at 2.4 GHz) */, - MODE_ATHEROS_PRIME = 5 /* Atheros Dynamic Turbo mode */, - MODE_ATHEROS_PRIMEG = 6 /* Atheros Dynamic Turbo mode G */, - MODE_ATHEROS_XR = 7 /* Atheros XR mode */, - NUM_IEEE80211_MODES = 8 -}; - -#define IEEE80211_CHAN_W_SCAN 0x00000001 -#define IEEE80211_CHAN_W_ACTIVE_SCAN 0x00000002 -#define IEEE80211_CHAN_W_IBSS 0x00000004 - -/* Low-level driver should set PREAMBLE2, OFDM, CCK, and TURBO flags. - * BASIC, SUPPORTED, ERP, and MANDATORY flags are set in 80211.o based on the - * configuration. */ -#define IEEE80211_RATE_ERP 0x00000001 -#define IEEE80211_RATE_BASIC 0x00000002 -#define IEEE80211_RATE_PREAMBLE2 0x00000004 -#define IEEE80211_RATE_SUPPORTED 0x00000010 -#define IEEE80211_RATE_OFDM 0x00000020 -#define IEEE80211_RATE_CCK 0x00000040 -#define IEEE80211_RATE_TURBO 0x00000080 -#define IEEE80211_RATE_MANDATORY 0x00000100 -#define IEEE80211_RATE_XR 0x00000200 - -#define IEEE80211_RATE_CCK_2 (IEEE80211_RATE_CCK | IEEE80211_RATE_PREAMBLE2) -#define IEEE80211_RATE_MODULATION(f) \ -(f & (IEEE80211_RATE_CCK | IEEE80211_RATE_OFDM)) - - -#endif /* IEEE80211_SHARED_H */ diff --git a/target/linux/package/ieee80211-dscape/src/michael.c b/target/linux/package/ieee80211-dscape/src/michael.c deleted file mode 100644 index 0f844f7895..0000000000 --- a/target/linux/package/ieee80211-dscape/src/michael.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Michael MIC implementation - optimized for TKIP MIC operations - * Copyright 2002-2003, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/types.h> - -#include "michael.h" - -static inline u32 rotr(u32 val, int bits) -{ - return (val >> bits) | (val << (32 - bits)); -} - - -static inline u32 rotl(u32 val, int bits) -{ - return (val << bits) | (val >> (32 - bits)); -} - - -static inline u32 xswap(u32 val) -{ - return ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8); -} - - -#define michael_block(l, r) \ -do { \ - r ^= rotl(l, 17); \ - l += r; \ - r ^= xswap(l); \ - l += r; \ - r ^= rotl(l, 3); \ - l += r; \ - r ^= rotr(l, 2); \ - l += r; \ -} while (0) - - -static inline u32 michael_get32(u8 *data) -{ - return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24); -} - - -static inline void michael_put32(u32 val, u8 *data) -{ - data[0] = val & 0xff; - data[1] = (val >> 8) & 0xff; - data[2] = (val >> 16) & 0xff; - data[3] = (val >> 24) & 0xff; -} - - -void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority, - u8 *data, size_t data_len, u8 *mic) -{ - u32 l, r, val; - size_t block, blocks, left; - - l = michael_get32(key); - r = michael_get32(key + 4); - - /* A pseudo header (DA, SA, Priority, 0, 0, 0) is used in Michael MIC - * calculation, but it is _not_ transmitted */ - l ^= michael_get32(da); - michael_block(l, r); - l ^= da[4] | (da[5] << 8) | (sa[0] << 16) | (sa[1] << 24); - michael_block(l, r); - l ^= michael_get32(&sa[2]); - michael_block(l, r); - l ^= priority; - michael_block(l, r); - - /* Real data */ - blocks = data_len / 4; - left = data_len % 4; - - for (block = 0; block < blocks; block++) { - l ^= michael_get32(&data[block * 4]); - michael_block(l, r); - } - - /* Partial block of 0..3 bytes and padding: 0x5a + 4..7 zeros to make - * total length a multiple of 4. */ - val = 0x5a; - while (left > 0) { - val <<= 8; - left--; - val |= data[blocks * 4 + left]; - } - l ^= val; - michael_block(l, r); - /* last block is zero, so l ^ 0 = l */ - michael_block(l, r); - - michael_put32(l, mic); - michael_put32(r, mic + 4); -} diff --git a/target/linux/package/ieee80211-dscape/src/michael.h b/target/linux/package/ieee80211-dscape/src/michael.h deleted file mode 100644 index 5acd8fd946..0000000000 --- a/target/linux/package/ieee80211-dscape/src/michael.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Michael MIC implementation - optimized for TKIP MIC operations - * Copyright 2002-2003, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef MICHAEL_H -#define MICHAEL_H - -#define MICHAEL_MIC_LEN 8 - -void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority, - u8 *data, size_t data_len, u8 *mic); - -#endif /* MICHAEL_H */ diff --git a/target/linux/package/ieee80211-dscape/src/rate_control.c b/target/linux/package/ieee80211-dscape/src/rate_control.c deleted file mode 100644 index 8782a756da..0000000000 --- a/target/linux/package/ieee80211-dscape/src/rate_control.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/compiler.h> - -#include <net/ieee80211.h> -#include "ieee80211_i.h" -#include "rate_control.h" - - -/* This is a minimal implementation of TX rate controlling that can be used - * as the default when no improved mechanisms are available. */ - - -#define RATE_CONTROL_EMERG_DEC 2 -#define RATE_CONTROL_INTERVAL (HZ / 20) -#define RATE_CONTROL_MIN_TX 10 - - -static void rate_control_rate_inc(struct ieee80211_local *local, - struct sta_info *sta) -{ - struct ieee80211_sub_if_data *sdata; - int i = sta->txrate; - int maxrate; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { - /* forced unicast rate - do not change STA rate */ - return; - } - - maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1; - - if (i > local->num_curr_rates) - i = local->num_curr_rates - 2; - - while (i + 1 < local->num_curr_rates) { - i++; - if (sta->supp_rates & BIT(i) && - local->curr_rates[i].flags & IEEE80211_RATE_SUPPORTED && - (maxrate < 0 || i <= maxrate)) { - sta->txrate = i; - break; - } - } -} - - -static void rate_control_rate_dec(struct ieee80211_local *local, - struct sta_info *sta) -{ - struct ieee80211_sub_if_data *sdata; - int i = sta->txrate; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { - /* forced unicast rate - do not change STA rate */ - return; - } - - if (i > local->num_curr_rates) - i = local->num_curr_rates; - - while (i > 0) { - i--; - if (sta->supp_rates & BIT(i) && - local->curr_rates[i].flags & IEEE80211_RATE_SUPPORTED) { - sta->txrate = i; - break; - } - } -} - - -static struct ieee80211_rate * -rate_control_lowest_rate(struct ieee80211_local *local) -{ - int i; - - for (i = 0; i < local->num_curr_rates; i++) { - struct ieee80211_rate *rate = &local->curr_rates[i]; - - if (rate->flags & IEEE80211_RATE_SUPPORTED - ) - return rate; - } - - printk(KERN_DEBUG "rate_control_lowest_rate - no supported rates " - "found\n"); - return &local->curr_rates[0]; -} - - -struct global_rate_control { - int dummy; -}; - -struct sta_rate_control { - unsigned long last_rate_change; - u32 tx_num_failures; - u32 tx_num_xmit; - - unsigned long avg_rate_update; - u32 tx_avg_rate_sum; - u32 tx_avg_rate_num; -}; - - -static void rate_control_simple_tx_status(struct net_device *dev, - struct sk_buff *skb, - struct ieee80211_tx_status *status) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct sta_info *sta; - struct sta_rate_control *srctrl; - - sta = sta_info_get(local, hdr->addr1); - - if (!sta) - return; - - srctrl = sta->rate_ctrl_priv; - srctrl->tx_num_xmit++; - if (status->excessive_retries) { - sta->antenna_sel = sta->antenna_sel == 1 ? 2 : 1; - if (local->sta_antenna_sel == STA_ANTENNA_SEL_SW_CTRL_DEBUG) { - printk(KERN_DEBUG "%s: " MACSTR " TX antenna --> %d " - "(@%lu)\n", - dev->name, MAC2STR(hdr->addr1), - sta->antenna_sel, jiffies); - } - srctrl->tx_num_failures++; - sta->tx_retry_failed++; - sta->tx_num_consecutive_failures++; - sta->tx_num_mpdu_fail++; - } else { - sta->last_ack_rssi[0] = sta->last_ack_rssi[1]; - sta->last_ack_rssi[1] = sta->last_ack_rssi[2]; - sta->last_ack_rssi[2] = status->ack_signal; - sta->tx_num_consecutive_failures = 0; - sta->tx_num_mpdu_ok++; - } - sta->tx_retry_count += status->retry_count; - sta->tx_num_mpdu_fail += status->retry_count; - - if (time_after(jiffies, - srctrl->last_rate_change + RATE_CONTROL_INTERVAL) && - srctrl->tx_num_xmit > RATE_CONTROL_MIN_TX) { - u32 per_failed; - srctrl->last_rate_change = jiffies; - - per_failed = (100 * sta->tx_num_mpdu_fail) / - (sta->tx_num_mpdu_fail + sta->tx_num_mpdu_ok); - /* TODO: calculate average per_failed to make adjusting - * parameters easier */ -#if 0 - if (net_ratelimit()) { - printk(KERN_DEBUG "MPDU fail=%d ok=%d per_failed=%d\n", - sta->tx_num_mpdu_fail, sta->tx_num_mpdu_ok, - per_failed); - } -#endif - - if (per_failed > local->rate_ctrl_num_down) { - rate_control_rate_dec(local, sta); - } else if (per_failed < local->rate_ctrl_num_up) { - rate_control_rate_inc(local, sta); - } - srctrl->tx_avg_rate_sum += local->curr_rates[sta->txrate].rate; - srctrl->tx_avg_rate_num++; - srctrl->tx_num_failures = 0; - srctrl->tx_num_xmit = 0; - } else if (sta->tx_num_consecutive_failures >= - RATE_CONTROL_EMERG_DEC) { - rate_control_rate_dec(local, sta); - } - - if (srctrl->avg_rate_update + 60 * HZ < jiffies) { - srctrl->avg_rate_update = jiffies; - if (srctrl->tx_avg_rate_num > 0) { -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: STA " MACSTR " Average rate: " - "%d (%d/%d)\n", - dev->name, MAC2STR(sta->addr), - srctrl->tx_avg_rate_sum / - srctrl->tx_avg_rate_num, - srctrl->tx_avg_rate_sum, - srctrl->tx_avg_rate_num); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - srctrl->tx_avg_rate_sum = 0; - srctrl->tx_avg_rate_num = 0; - } - } - - sta_info_release(local, sta); -} - - -static struct ieee80211_rate * -rate_control_simple_get_rate(struct net_device *dev, struct sk_buff *skb, - struct rate_control_extra *extra) -{ - struct ieee80211_local *local = dev->priv; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct sta_info *sta; - int rateidx, nonerp_idx; - u16 fc; - - memset(extra, 0, sizeof(*extra)); - - fc = le16_to_cpu(hdr->frame_control); - if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA || - (hdr->addr1[0] & 0x01)) { - /* Send management frames and broadcast/multicast data using - * lowest rate. */ - /* TODO: this could probably be improved.. */ - return rate_control_lowest_rate(local); - } - - sta = sta_info_get(local, hdr->addr1); - - if (!sta) - return rate_control_lowest_rate(local); - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) - sta->txrate = sdata->bss->force_unicast_rateidx; - - rateidx = sta->txrate; - - if (rateidx >= local->num_curr_rates) - rateidx = local->num_curr_rates - 1; - - sta->last_txrate = rateidx; - nonerp_idx = rateidx; - while (nonerp_idx > 0 && - ((local->curr_rates[nonerp_idx].flags & IEEE80211_RATE_ERP) || - !(local->curr_rates[nonerp_idx].flags & - IEEE80211_RATE_SUPPORTED) || - !(sta->supp_rates & BIT(nonerp_idx)))) - nonerp_idx--; - extra->nonerp_idx = nonerp_idx; - extra->nonerp = &local->curr_rates[extra->nonerp_idx]; - - sta_info_release(local, sta); - - return &local->curr_rates[rateidx]; -} - - -static void rate_control_simple_rate_init(struct ieee80211_local *local, - struct sta_info *sta) -{ - int i; - sta->txrate = 0; - /* TODO: what is a good starting rate for STA? About middle? Maybe not - * the lowest or the highest rate.. Could consider using RSSI from - * previous packets? Need to have IEEE 802.1X auth succeed immediately - * after assoc.. */ - for (i = 0; i < local->num_curr_rates; i++) { - if ((sta->supp_rates & BIT(i)) && - (local->curr_rates[i].flags & IEEE80211_RATE_SUPPORTED)) - sta->txrate = i; - } -} - - -static void * rate_control_simple_alloc(struct ieee80211_local *local) -{ - struct global_rate_control *rctrl; - - rctrl = kmalloc(sizeof(*rctrl), GFP_ATOMIC); - if (rctrl == NULL) { - return NULL; - } - memset(rctrl, 0, sizeof(*rctrl)); - return rctrl; -} - - -static void rate_control_simple_free(void *priv) -{ - struct global_rate_control *rctrl = priv; - kfree(rctrl); -} - - -static void rate_control_simple_clear(void *priv) -{ -} - - -static void * rate_control_simple_alloc_sta(void) -{ - struct sta_rate_control *rctrl; - - rctrl = kmalloc(sizeof(*rctrl), GFP_ATOMIC); - if (rctrl == NULL) { - return NULL; - } - memset(rctrl, 0, sizeof(*rctrl)); - return rctrl; -} - - -static void rate_control_simple_free_sta(void *priv) -{ - struct sta_rate_control *rctrl = priv; - kfree(rctrl); -} - - -static int rate_control_simple_status_sta(struct ieee80211_local *local, - struct sta_info *sta, char *buf) -{ - char *p = buf; - struct sta_rate_control *srctrl = sta->rate_ctrl_priv; - - p += sprintf(p, "tx_avg_rate_sum=%d\n", srctrl->tx_avg_rate_sum); - p += sprintf(p, "tx_avg_rate_num=%d\n", srctrl->tx_avg_rate_num); - if (srctrl->tx_avg_rate_num) - p += sprintf(p, "tx_avg_rate_avg=%d\n", - srctrl->tx_avg_rate_sum / - srctrl->tx_avg_rate_num); - return p - buf; -} - - -static int rate_control_simple_status_global(struct ieee80211_local *local, - char *buf) -{ - return 0; -} - - -static struct rate_control_ops rate_control_simple = { - .name = "simple", - .tx_status = rate_control_simple_tx_status, - .get_rate = rate_control_simple_get_rate, - .rate_init = rate_control_simple_rate_init, - .clear = rate_control_simple_clear, - .status_sta = rate_control_simple_status_sta, - .status_global = rate_control_simple_status_global, - .alloc = rate_control_simple_alloc, - .free = rate_control_simple_free, - .alloc_sta = rate_control_simple_alloc_sta, - .free_sta = rate_control_simple_free_sta, -}; - - -int __init rate_control_simple_init(void) -{ - return ieee80211_rate_control_register(&rate_control_simple); -} - - -static void __exit rate_control_simple_exit(void) -{ - ieee80211_rate_control_unregister(&rate_control_simple); -} - - -module_init(rate_control_simple_init); -module_exit(rate_control_simple_exit); diff --git a/target/linux/package/ieee80211-dscape/src/rate_control.h b/target/linux/package/ieee80211-dscape/src/rate_control.h deleted file mode 100644 index 9ceea7da57..0000000000 --- a/target/linux/package/ieee80211-dscape/src/rate_control.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef RATE_CONTROL -#define RATE_CONTROL - -#define RATE_CONTROL_NUM_DOWN 20 -#define RATE_CONTROL_NUM_UP 15 - - -struct rate_control_extra { - /* values from rate_control_get_rate() to the caller: */ - struct ieee80211_rate *probe; /* probe with this rate, or NULL for no - * probing */ - int startidx, endidx, rateidx; - struct ieee80211_rate *nonerp; - int nonerp_idx; - - /* parameters from the caller to rate_control_get_rate(): */ - int mgmt_data; /* this is data frame that is used for management - * (e.g., IEEE 802.1X EAPOL) */ - u16 ethertype; -}; - - -struct rate_control_ops { - const char *name; - void (*tx_status)(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_tx_status *status); - struct ieee80211_rate * - (*get_rate)(struct net_device *dev, struct sk_buff *skb, - struct rate_control_extra *extra); - void (*rate_init)(struct ieee80211_local *local, struct sta_info *sta); - void (*clear)(void *priv); - int (*status_sta)(struct ieee80211_local *local, - struct sta_info *sta, char *buf); - int (*status_global)(struct ieee80211_local *local, char *buf); - - void * (*alloc)(struct ieee80211_local *local); - void (*free)(void *priv); - void * (*alloc_sta)(void); - void (*free_sta)(void *priv); -}; - - -int ieee80211_rate_control_register(struct rate_control_ops *ops); -void ieee80211_rate_control_unregister(struct rate_control_ops *ops); - - -static inline void rate_control_tx_status(struct net_device *dev, - struct sk_buff *skb, - struct ieee80211_tx_status *status) -{ - struct ieee80211_local *local = dev->priv; - local->rate_ctrl->tx_status(dev, skb, status); -} - - -static inline struct ieee80211_rate * -rate_control_get_rate(struct net_device *dev, struct sk_buff *skb, - struct rate_control_extra *extra) -{ - struct ieee80211_local *local = dev->priv; - return local->rate_ctrl->get_rate(dev, skb, extra); -} - - -static inline void rate_control_rate_init(struct ieee80211_local *local, - struct sta_info *sta) -{ - local->rate_ctrl->rate_init(local, sta); -} - - -static inline void rate_control_clear(struct ieee80211_local *local) -{ - local->rate_ctrl->clear(local->rate_ctrl_priv); -} - - -static inline int rate_control_status_sta(struct ieee80211_local *local, - struct sta_info *sta, char *buf) -{ - return local->rate_ctrl->status_sta(local, sta, buf); -} - - -static inline int rate_control_status_global(struct ieee80211_local *local, - char *buf) -{ - return local->rate_ctrl->status_global(local, buf); -} - - -static inline void * rate_control_alloc(struct ieee80211_local *local) -{ - return local->rate_ctrl->alloc(local); -} - - -static inline void rate_control_free(struct ieee80211_local *local) -{ - if (local->rate_ctrl == NULL || local->rate_ctrl_priv == NULL) - return; - local->rate_ctrl->free(local->rate_ctrl_priv); - local->rate_ctrl_priv = NULL; -} - - -static inline void * rate_control_alloc_sta(struct ieee80211_local *local) -{ - return local->rate_ctrl->alloc_sta(); -} - - -static inline void rate_control_free_sta(struct ieee80211_local *local, - void *priv) -{ - local->rate_ctrl->free_sta(priv); -} - -#endif /* RATE_CONTROL */ diff --git a/target/linux/package/ieee80211-dscape/src/sta_info.c b/target/linux/package/ieee80211-dscape/src/sta_info.c deleted file mode 100644 index 4bb9f74ba0..0000000000 --- a/target/linux/package/ieee80211-dscape/src/sta_info.c +++ /dev/null @@ -1,417 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> - -#include <net/ieee80211.h> -#include "ieee80211_i.h" -#include "ieee80211_proc.h" -#include "rate_control.h" - - -/* Caller must hold local->sta_lock */ -static void sta_info_hash_add(struct ieee80211_local *local, - struct sta_info *sta) -{ - sta->hnext = local->sta_hash[STA_HASH(sta->addr)]; - local->sta_hash[STA_HASH(sta->addr)] = sta; -} - - -/* Caller must hold local->sta_lock */ -static void sta_info_hash_del(struct ieee80211_local *local, - struct sta_info *sta) -{ - struct sta_info *s; - - s = local->sta_hash[STA_HASH(sta->addr)]; - if (s == NULL) - return; - if (memcmp(s->addr, sta->addr, ETH_ALEN) == 0) { - local->sta_hash[STA_HASH(sta->addr)] = s->hnext; - return; - } - - while (s->hnext != NULL && - memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0) - s = s->hnext; - if (s->hnext != NULL) - s->hnext = s->hnext->hnext; - else - printk(KERN_ERR "%s: could not remove STA " MACSTR " from " - "hash table\n", local->mdev->name, MAC2STR(sta->addr)); -} - - -struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr) -{ - struct sta_info *sta; - - spin_lock_bh(&local->sta_lock); - sta = local->sta_hash[STA_HASH(addr)]; - while (sta) { - if (memcmp(sta->addr, addr, ETH_ALEN) == 0) { - atomic_inc(&sta->users); - break; - } - sta = sta->hnext; - } - spin_unlock_bh(&local->sta_lock); - - return sta; -} - - -int sta_info_min_txrate_get(struct ieee80211_local *local) -{ - struct sta_info *sta; - int min_txrate = 9999999; - int i; - - spin_lock_bh(&local->sta_lock); - for (i = 0; i < STA_HASH_SIZE; i++) { - sta = local->sta_hash[i]; - while (sta) { - if (sta->txrate < min_txrate) - min_txrate = sta->txrate; - sta = sta->hnext; - } - } - spin_unlock_bh(&local->sta_lock); - if (min_txrate == 9999999) - min_txrate = 0; - - return min_txrate; -} - - -void sta_info_release(struct ieee80211_local *local, struct sta_info *sta) -{ - struct sk_buff *skb; - - if (!atomic_dec_and_test(&sta->users)) - return; - - /* free sta structure; it has already been removed from - * hash table etc. external structures. Make sure that all - * buffered frames are release (one might have been added - * after sta_info_free() was called). */ - while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) { - local->total_ps_buffered--; - dev_kfree_skb_any(skb); - } - while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { - dev_kfree_skb_any(skb); - } - rate_control_free_sta(local, sta->rate_ctrl_priv); - kfree(sta); -} - - -struct sta_info * sta_info_add(struct ieee80211_local *local, - struct net_device *dev, u8 *addr) -{ - struct sta_info *sta; - - sta = kmalloc(sizeof(*sta), GFP_ATOMIC); - if (!sta) - return NULL; - - memset(sta, 0, sizeof(*sta)); - - sta->rate_ctrl_priv = rate_control_alloc_sta(local); - if (sta->rate_ctrl_priv == NULL) { - kfree(sta); - return NULL; - } - - memcpy(sta->addr, addr, ETH_ALEN); - sta->dev = dev; - skb_queue_head_init(&sta->ps_tx_buf); - skb_queue_head_init(&sta->tx_filtered); - atomic_inc(&sta->users); /* sta in hashlist etc, decremented by - * sta_info_free() */ - atomic_inc(&sta->users); /* sta used by caller, decremented by - * sta_info_release() */ - spin_lock_bh(&local->sta_lock); - list_add(&sta->list, &local->sta_list); - local->num_sta++; - sta_info_hash_add(local, sta); - spin_unlock_bh(&local->sta_lock); - if (local->hw->sta_table_notification) - local->hw->sta_table_notification(local->mdev, local->num_sta); - sta->key_idx_compression = HW_KEY_IDX_INVALID; - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Added STA " MACSTR "\n", - dev->name, MAC2STR(addr)); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - - if (!in_interrupt()) { - ieee80211_proc_init_sta(local, sta); - } else { - /* procfs entry adding might sleep, so schedule process context - * task for adding proc entry for STAs that do not yet have - * one. */ - schedule_work(&local->sta_proc_add); - } - - return sta; -} - - -void sta_info_free(struct ieee80211_local *local, struct sta_info *sta, - int locked) -{ - struct sk_buff *skb; - struct ieee80211_sub_if_data *sdata; - - if (!locked) - spin_lock_bh(&local->sta_lock); - sta_info_hash_del(local, sta); - list_del(&sta->list); - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sta->flags & WLAN_STA_PS) { - sta->flags &= ~WLAN_STA_PS; - if (sdata->bss) - atomic_dec(&sdata->bss->num_sta_ps); - } - local->num_sta--; - sta_info_remove_aid_ptr(sta); - if (!locked) - spin_unlock_bh(&local->sta_lock); - if (local->hw->sta_table_notification) - local->hw->sta_table_notification(local->mdev, local->num_sta); - - while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) { - local->total_ps_buffered--; - dev_kfree_skb_any(skb); - } - while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { - dev_kfree_skb_any(skb); - } - - if (sta->key) { - if (local->hw->set_key) { - struct ieee80211_key_conf *key; - key = ieee80211_key_data2conf(local, sta->key); - if (key) { - local->hw->set_key(local->mdev, DISABLE_KEY, - sta->addr, key, sta->aid); - kfree(key); - } - } - kfree(sta->key); - sta->key = NULL; - } else if (sta->key_idx_compression != HW_KEY_IDX_INVALID) { - struct ieee80211_key_conf conf; - memset(&conf, 0, sizeof(conf)); - conf.hw_key_idx = sta->key_idx_compression; - conf.alg = ALG_NULL; - conf.force_sw_encrypt = 1; - local->hw->set_key(local->mdev, DISABLE_KEY, sta->addr, &conf, - sta->aid); - sta->key_idx_compression = HW_KEY_IDX_INVALID; - } - -#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Removed STA " MACSTR "\n", - local->mdev->name, MAC2STR(sta->addr)); -#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */ - - ieee80211_proc_deinit_sta(local, sta); - - if (atomic_read(&sta->users) != 1) { - /* This is OK, but printed for debugging. The station structure - * will be removed when the other user of the data calls - * sta_info_release(). */ - printk(KERN_DEBUG "%s: STA " MACSTR " users count %d when " - "removing it\n", local->mdev->name, MAC2STR(sta->addr), - atomic_read(&sta->users)); - } - - sta_info_release(local, sta); -} - - -static inline int sta_info_buffer_expired(struct sk_buff *skb) -{ - struct ieee80211_tx_packet_data *pkt_data; - if (!skb) - return 0; - - /* TODO: this could be improved by passing STA listen interval into - * the kernel driver and expiring frames after 2 x listen_interval x - * beacon interval */ - - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - - if (pkt_data->magic != IEEE80211_CB_MAGIC) - return 1; - - return time_after(jiffies, pkt_data->jiffies + STA_TX_BUFFER_EXPIRE); -} - - -static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local, - struct sta_info *sta) -{ - unsigned long flags; - struct sk_buff *skb; - - if (skb_queue_empty(&sta->ps_tx_buf)) - return; - - for (;;) { - spin_lock_irqsave(&sta->ps_tx_buf.lock, flags); - skb = skb_peek(&sta->ps_tx_buf); - if (sta_info_buffer_expired(skb)) - skb = __skb_dequeue(&sta->ps_tx_buf); - else - skb = NULL; - spin_unlock_irqrestore(&sta->ps_tx_buf.lock, flags); - - if (skb) { - local->total_ps_buffered--; - printk(KERN_DEBUG "Buffered frame expired (STA " - MACSTR ")\n", MAC2STR(sta->addr)); - dev_kfree_skb(skb); - } else - break; - } -} - - -static void sta_info_cleanup(unsigned long data) -{ - struct ieee80211_local *local = (struct ieee80211_local *) data; - struct list_head *ptr; - - spin_lock_bh(&local->sta_lock); - ptr = local->sta_list.next; - while (ptr && ptr != &local->sta_list) { - struct sta_info *sta = (struct sta_info *) ptr; - atomic_inc(&sta->users); - sta_info_cleanup_expire_buffered(local, sta); - sta_info_release(local, sta); - ptr = ptr->next; - } - spin_unlock_bh(&local->sta_lock); - - local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL; - add_timer(&local->sta_cleanup); -} - - -static void sta_info_proc_add_task(void *data) -{ - struct ieee80211_local *local = data; - struct list_head *ptr; - struct sta_info *sta; - int max_adds = 100; - - while (max_adds > 0) { - sta = NULL; - spin_lock_bh(&local->sta_lock); - list_for_each(ptr, &local->sta_list) { - sta = list_entry(ptr, struct sta_info, list); - if (!sta->proc_entry_added) { - atomic_inc(&sta->users); - break; - } - sta = NULL; - } - spin_unlock_bh(&local->sta_lock); - - if (!sta) - break; - - ieee80211_proc_init_sta(local, sta); - atomic_dec(&sta->users); - - max_adds--; - } -} - - -void sta_info_init(struct ieee80211_local *local) -{ - spin_lock_init(&local->sta_lock); - INIT_LIST_HEAD(&local->sta_list); - - init_timer(&local->sta_cleanup); - local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL; - local->sta_cleanup.data = (unsigned long) local; - local->sta_cleanup.function = sta_info_cleanup; - - INIT_WORK(&local->sta_proc_add, sta_info_proc_add_task, local); -} - -void sta_info_start(struct ieee80211_local *local) -{ - add_timer(&local->sta_cleanup); -} - -void sta_info_stop(struct ieee80211_local *local) -{ - struct list_head *ptr; - - del_timer(&local->sta_cleanup); - - ptr = local->sta_list.next; - while (ptr && ptr != &local->sta_list) { - struct sta_info *sta = (struct sta_info *) ptr; - ptr = ptr->next; - sta_info_free(local, sta, 0); - } -} - - -void sta_info_remove_aid_ptr(struct sta_info *sta) -{ - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sta->aid <= 0 || !sdata->bss) - return; - - sdata->bss->sta_aid[sta->aid - 1] = NULL; - if (sta->aid == sdata->bss->max_aid) { - while (sdata->bss->max_aid > 0 && - sdata->bss->sta_aid[sdata->bss->max_aid - 1] == NULL) - sdata->bss->max_aid--; - } -} - - -/** - * sta_info_flush - flush matching STA entries from the STA table - * @local: local interface data - * @dev: matching rule for the net device (sta->dev) or %NULL to match all STAs - */ -void sta_info_flush(struct ieee80211_local *local, struct net_device *dev) -{ - struct list_head *ptr, *n; - - spin_lock_bh(&local->sta_lock); - - list_for_each_safe(ptr, n, &local->sta_list) { - struct sta_info *sta = list_entry(ptr, struct sta_info, list); - if (dev == NULL || dev == sta->dev) - sta_info_free(local, sta, 1); - } - spin_unlock_bh(&local->sta_lock); -} diff --git a/target/linux/package/ieee80211-dscape/src/sta_info.h b/target/linux/package/ieee80211-dscape/src/sta_info.h deleted file mode 100644 index ef6906d56d..0000000000 --- a/target/linux/package/ieee80211-dscape/src/sta_info.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Copyright 2002-2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef STA_INFO_H -#define STA_INFO_H - -/* Stations flags (struct sta_info::flags) */ -#define WLAN_STA_AUTH BIT(0) -#define WLAN_STA_ASSOC BIT(1) -#define WLAN_STA_PS BIT(2) -#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */ -#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */ -#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is - * controlling whether STA is authorized to - * send and receive non-IEEE 802.1X frames - */ -#define WLAN_STA_SHORT_PREAMBLE BIT(7) -#define WLAN_STA_WME BIT(9) -#define WLAN_STA_XR BIT(26) -#define WLAN_STA_WDS BIT(27) - - -struct sta_info { - struct list_head list; - struct sta_info *hnext; /* next entry in hash table list */ - atomic_t users; /* number of users (do not remove if > 0) */ - - u8 addr[ETH_ALEN]; - u16 aid; /* STA's unique AID (1..2007), 0 = not yet assigned */ - u32 flags; /* WLAN_STA_ */ - - struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in - * power saving state */ - int pspoll; /* whether STA has send a PS Poll frame */ - struct sk_buff_head tx_filtered; /* buffer of TX frames that were - * already given to low-level driver, - * but were filtered */ - int clear_dst_mask; - - unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */ - unsigned long rx_bytes, tx_bytes; - unsigned long tx_retry_failed, tx_retry_count; - unsigned long tx_filtered_count; - - unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */ - - unsigned long last_rx; - u32 supp_rates; /* bitmap of supported rates in local->curr_rates */ - int txrate; /* index in local->curr_rates */ - int last_txrate; /* last rate used to send a frame to this STA */ - int last_nonerp_idx; - - struct net_device *dev; /* which net device is this station associated - * to */ - - struct ieee80211_key *key; - - u32 tx_num_consecutive_failures; - u32 tx_num_mpdu_ok; - u32 tx_num_mpdu_fail; - - void *rate_ctrl_priv; - - /* last received seq/frag number from this STA (per RX queue) */ - u16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; - unsigned long num_duplicates; /* number of duplicate frames received - * from this STA */ - unsigned long tx_fragments; /* number of transmitted MPDUs */ - unsigned long rx_fragments; /* number of received MPDUs */ - unsigned long rx_dropped; /* number of dropped MPDUs from this STA */ - - int last_rssi; /* RSSI of last received frame from this STA */ - int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */ - unsigned long last_ack; - int channel_use; - int channel_use_raw; - - int antenna_sel; - - - int key_idx_compression; /* key table index for compression and TX - * filtering; used only if sta->key is not - * set */ - - int proc_entry_added:1; - int assoc_ap:1; /* whether this is an AP that we are associated with - * as a client */ - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - u32 wpa_trigger; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - -#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS - unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; - unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; -#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */ - - int vlan_id; -}; - - -/* Maximum number of concurrently registered stations */ -#define MAX_STA_COUNT 2007 - -/* Maximum number of AIDs to use for STAs; must be 2007 or lower - * (IEEE 802.11 beacon format limitation) */ -#define MAX_AID_TABLE_SIZE 2007 - -#define STA_HASH_SIZE 256 -#define STA_HASH(sta) (sta[5]) - - -/* Maximum number of frames to buffer per power saving station */ -#define STA_MAX_TX_BUFFER 128 - -/* Buffered frame expiry time */ -#define STA_TX_BUFFER_EXPIRE (10 * HZ) - -/* How often station data is cleaned up (e.g., expiration of buffered frames) - */ -#define STA_INFO_CLEANUP_INTERVAL (10 * HZ) - - -struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr); -int sta_info_min_txrate_get(struct ieee80211_local *local); -void sta_info_release(struct ieee80211_local *local, struct sta_info *sta); -struct sta_info * sta_info_add(struct ieee80211_local *local, - struct net_device *dev, u8 *addr); -void sta_info_free(struct ieee80211_local *local, struct sta_info *sta, - int locked); -void sta_info_init(struct ieee80211_local *local); -void sta_info_start(struct ieee80211_local *local); -void sta_info_stop(struct ieee80211_local *local); -void sta_info_remove_aid_ptr(struct sta_info *sta); -void sta_info_flush(struct ieee80211_local *local, struct net_device *dev); - -#endif /* STA_INFO_H */ diff --git a/target/linux/package/ieee80211-dscape/src/tkip.c b/target/linux/package/ieee80211-dscape/src/tkip.c deleted file mode 100644 index 41e0b8ea05..0000000000 --- a/target/linux/package/ieee80211-dscape/src/tkip.c +++ /dev/null @@ -1,341 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifdef CONFIG_TKIP_DEBUG -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/skbuff.h> -#endif /* CONFIG_TKIP_DEBUG */ - -#include <linux/types.h> -#include <linux/netdevice.h> - -#include <net/ieee80211.h> -#include "ieee80211_key.h" -#ifdef CONFIG_TKIP_DEBUG -#include "ieee80211_i.h" -#endif /* CONFIG_TKIP_DEBUG */ -#include "tkip.h" - -/* Dummy prototypes for structures used in wep.h, but not really needed for - * TKIP. */ -struct ieee80211_local; -struct sk_buff; -#include "wep.h" - - -/* TKIP key mixing functions */ - - -#define PHASE1_LOOP_COUNT 8 - - -/* 2-byte by 2-byte subset of the full AES S-box table; second part of this - * table is identical to first part but byte-swapped */ -static const u16 tkip_sbox[256] = -{ - 0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154, - 0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A, - 0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B, - 0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B, - 0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F, - 0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F, - 0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5, - 0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F, - 0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB, - 0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397, - 0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED, - 0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A, - 0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194, - 0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3, - 0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104, - 0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D, - 0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39, - 0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695, - 0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83, - 0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76, - 0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4, - 0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B, - 0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0, - 0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018, - 0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751, - 0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85, - 0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12, - 0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9, - 0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7, - 0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A, - 0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8, - 0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A, -}; - - -static inline u16 Mk16(u8 x, u8 y) -{ - return ((u16) x << 8) | (u16) y; -} - - -static inline u8 Hi8(u16 v) -{ - return v >> 8; -} - - -static inline u8 Lo8(u16 v) -{ - return v & 0xff; -} - - -static inline u16 Hi16(u32 v) -{ - return v >> 16; -} - - -static inline u16 Lo16(u32 v) -{ - return v & 0xffff; -} - - -static inline u16 RotR1(u16 v) -{ - return (v >> 1) | ((v & 0x0001) << 15); -} - - -static inline u16 tkip_S(u16 val) -{ - u16 a = tkip_sbox[Hi8(val)]; - - return tkip_sbox[Lo8(val)] ^ Hi8(a) ^ (Lo8(a) << 8); -} - - - -/* P1K := Phase1(TA, TK, TSC) - * TA = transmitter address (48 bits) - * TK = dot11DefaultKeyValue or dot11KeyMappingValue (128 bits) - * TSC = TKIP sequence counter (48 bits, only 32 msb bits used) - * P1K: 80 bits - */ -static void tkip_mixing_phase1(const u8 *ta, const u8 *tk, u32 tsc_IV32, - u16 *p1k) -{ - int i, j; - - p1k[0] = Lo16(tsc_IV32); - p1k[1] = Hi16(tsc_IV32); - p1k[2] = Mk16(ta[1], ta[0]); - p1k[3] = Mk16(ta[3], ta[2]); - p1k[4] = Mk16(ta[5], ta[4]); - - for (i = 0; i < PHASE1_LOOP_COUNT; i++) { - j = 2 * (i & 1); - p1k[0] += tkip_S(p1k[4] ^ Mk16(tk[ 1 + j], tk[ 0 + j])); - p1k[1] += tkip_S(p1k[0] ^ Mk16(tk[ 5 + j], tk[ 4 + j])); - p1k[2] += tkip_S(p1k[1] ^ Mk16(tk[ 9 + j], tk[ 8 + j])); - p1k[3] += tkip_S(p1k[2] ^ Mk16(tk[13 + j], tk[12 + j])); - p1k[4] += tkip_S(p1k[3] ^ Mk16(tk[ 1 + j], tk[ 0 + j])) + i; - } -} - - -static void tkip_mixing_phase2(const u16 *p1k, const u8 *tk, u16 tsc_IV16, - u8 *rc4key) -{ - u16 ppk[6]; - int i; - - ppk[0] = p1k[0]; - ppk[1] = p1k[1]; - ppk[2] = p1k[2]; - ppk[3] = p1k[3]; - ppk[4] = p1k[4]; - ppk[5] = p1k[4] + tsc_IV16; - - ppk[0] += tkip_S(ppk[5] ^ Mk16(tk[ 1], tk[ 0])); - ppk[1] += tkip_S(ppk[0] ^ Mk16(tk[ 3], tk[ 2])); - ppk[2] += tkip_S(ppk[1] ^ Mk16(tk[ 5], tk[ 4])); - ppk[3] += tkip_S(ppk[2] ^ Mk16(tk[ 7], tk[ 6])); - ppk[4] += tkip_S(ppk[3] ^ Mk16(tk[ 9], tk[ 8])); - ppk[5] += tkip_S(ppk[4] ^ Mk16(tk[11], tk[10])); - ppk[0] += RotR1(ppk[5] ^ Mk16(tk[13], tk[12])); - ppk[1] += RotR1(ppk[0] ^ Mk16(tk[15], tk[14])); - ppk[2] += RotR1(ppk[1]); - ppk[3] += RotR1(ppk[2]); - ppk[4] += RotR1(ppk[3]); - ppk[5] += RotR1(ppk[4]); - - rc4key[0] = Hi8(tsc_IV16); - rc4key[1] = (Hi8(tsc_IV16) | 0x20) & 0x7f; - rc4key[2] = Lo8(tsc_IV16); - rc4key[3] = Lo8((ppk[5] ^ Mk16(tk[1], tk[0])) >> 1); - - for (i = 0; i < 6; i++) { - rc4key[4 + 2 * i] = Lo8(ppk[i]); - rc4key[5 + 2 * i] = Hi8(ppk[i]); - } -} - - -/* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets - * of the IV. Returns pointer to the octet following IVs (i.e., beginning of - * the packet payload). */ -u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, - u8 iv0, u8 iv1, u8 iv2) -{ - *pos++ = iv0; - *pos++ = iv1; - *pos++ = iv2; - *pos++ = (key->keyidx << 6) | (1 << 5) /* Ext IV */; - *pos++ = key->u.tkip.iv32 & 0xff; - *pos++ = (key->u.tkip.iv32 >> 8) & 0xff; - *pos++ = (key->u.tkip.iv32 >> 16) & 0xff; - *pos++ = (key->u.tkip.iv32 >> 24) & 0xff; - return pos; -} - - -/* Encrypt packet payload with TKIP using @key. @pos is a pointer to the - * beginning of the buffer containing payload. This payload must include - * headroom of eight octets for IV and Ext. IV and taildroom of four octets - * for ICV. @payload_len is the length of payload (_not_ including extra - * headroom and tailroom). @ta is the transmitter addresses. */ -void ieee80211_tkip_encrypt_data(struct ieee80211_key *key, u8 *pos, - size_t payload_len, u8 *ta) -{ - u8 rc4key[16]; - - /* Calculate per-packet key */ - if (key->u.tkip.iv16 == 0 || !key->u.tkip.tx_initialized) { - /* IV16 wrapped around - perform TKIP phase 1 */ - tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY], - key->u.tkip.iv32, key->u.tkip.p1k); - key->u.tkip.tx_initialized = 1; - } - - tkip_mixing_phase2(key->u.tkip.p1k, &key->key[ALG_TKIP_TEMP_ENCR_KEY], - key->u.tkip.iv16, rc4key); - - pos = ieee80211_tkip_add_iv(pos, key, rc4key[0], rc4key[1], rc4key[2]); - ieee80211_wep_encrypt_data(rc4key, 16, pos, payload_len); -} - - -/* Decrypt packet payload with TKIP using @key. @pos is a pointer to the - * beginning of the buffer containing IEEE 802.11 header payload, i.e., - * including IV, Ext. IV, real data, Michael MIC, ICV. @payload_len is the - * length of payload, including IV, Ext. IV, MIC, ICV. */ -int ieee80211_tkip_decrypt_data(struct ieee80211_key *key, u8 *payload, - size_t payload_len, u8 *ta, int only_iv, - int queue) -{ - u32 iv32; - u32 iv16; - u8 rc4key[16], keyid, *pos = payload; - int res; - - if (payload_len < 12) - return -1; - - iv16 = (pos[0] << 8) | pos[2]; - keyid = pos[3]; - iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24); - pos += 8; -#ifdef CONFIG_TKIP_DEBUG - { - int i; - printk(KERN_DEBUG "TKIP decrypt: data(len=%zd)", payload_len); - for (i = 0; i < payload_len; i++) - printk(" %02x", payload[i]); - printk("\n"); - printk(KERN_DEBUG "TKIP decrypt: iv16=%04x iv32=%08x\n", - iv16, iv32); - } -#endif /* CONFIG_TKIP_DEBUG */ - - if (!(keyid & (1 << 5))) - return TKIP_DECRYPT_NO_EXT_IV; - - if ((keyid >> 6) != key->keyidx) - return TKIP_DECRYPT_INVALID_KEYIDX; - - if (key->u.tkip.rx_initialized[queue] && - (iv32 < key->u.tkip.iv32_rx[queue] || - (iv32 == key->u.tkip.iv32_rx[queue] && - iv16 <= key->u.tkip.iv16_rx[queue]))) { -#ifdef CONFIG_TKIP_DEBUG - printk(KERN_DEBUG "TKIP replay detected for RX frame from " - MACSTR " (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n", - MAC2STR(ta), - iv32, iv16, key->u.tkip.iv32_rx[queue], - key->u.tkip.iv16_rx[queue]); -#endif /* CONFIG_TKIP_DEBUG */ - return TKIP_DECRYPT_REPLAY; - } - - if (only_iv) { - res = TKIP_DECRYPT_OK; - goto done; - } - - if (!key->u.tkip.rx_initialized[queue] || - key->u.tkip.iv32_rx[queue] != iv32) { - key->u.tkip.rx_initialized[queue] = 1; - /* IV16 wrapped around - perform TKIP phase 1 */ - tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY], - iv32, key->u.tkip.p1k_rx[queue]); -#ifdef CONFIG_TKIP_DEBUG - { - int i; - printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=" MACSTR - " TK=", MAC2STR(ta)); - for (i = 0; i < 16; i++) - printk("%02x ", - key->key[ALG_TKIP_TEMP_ENCR_KEY + i]); - printk("\n"); - printk(KERN_DEBUG "TKIP decrypt: P1K="); - for (i = 0; i < 5; i++) - printk("%04x ", key->u.tkip.p1k_rx[queue][i]); - printk("\n"); - } -#endif /* CONFIG_TKIP_DEBUG */ - } - - tkip_mixing_phase2(key->u.tkip.p1k_rx[queue], - &key->key[ALG_TKIP_TEMP_ENCR_KEY], - iv16, rc4key); -#ifdef CONFIG_TKIP_DEBUG - { - int i; - printk(KERN_DEBUG "TKIP decrypt: Phase2 rc4key="); - for (i = 0; i < 16; i++) - printk("%02x ", rc4key[i]); - printk("\n"); - } -#endif /* CONFIG_TKIP_DEBUG */ - - res = ieee80211_wep_decrypt_data(rc4key, 16, pos, payload_len - 12); - done: - if (res == TKIP_DECRYPT_OK) { - /* FIX: these should be updated only after Michael MIC has been - * verified */ - /* Record previously received IV */ - key->u.tkip.iv32_rx[queue] = iv32; - key->u.tkip.iv16_rx[queue] = iv16; - } - - return res; -} - - diff --git a/target/linux/package/ieee80211-dscape/src/tkip.h b/target/linux/package/ieee80211-dscape/src/tkip.h deleted file mode 100644 index 6c4ab7f698..0000000000 --- a/target/linux/package/ieee80211-dscape/src/tkip.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef TKIP_H -#define TKIP_H - -u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, - u8 iv0, u8 iv1, u8 iv2); -void ieee80211_tkip_encrypt_data(struct ieee80211_key *key, u8 *pos, - size_t payload_len, u8 *ta); -enum { - TKIP_DECRYPT_OK = 0, - TKIP_DECRYPT_NO_EXT_IV = -1, - TKIP_DECRYPT_INVALID_KEYIDX = -2, - TKIP_DECRYPT_REPLAY = -3, -}; -int ieee80211_tkip_decrypt_data(struct ieee80211_key *key, u8 *payload, - size_t payload_len, u8 *ta, int only_iv, - int queue); - -#endif /* TKIP_H */ diff --git a/target/linux/package/ieee80211-dscape/src/wep.c b/target/linux/package/ieee80211-dscape/src/wep.c deleted file mode 100644 index 57c2f603c0..0000000000 --- a/target/linux/package/ieee80211-dscape/src/wep.c +++ /dev/null @@ -1,423 +0,0 @@ -/* - * Software WEP encryption implementation - * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi> - * Copyright 2003, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/random.h> -#include <linux/compiler.h> - -#include <net/ieee80211.h> -#include "ieee80211_i.h" -#include "wep.h" - - -static const __u32 crc32_table[256] = { - 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, - 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, - 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, - 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, - 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, - 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, - 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, - 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, - 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, - 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, - 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, - 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, - 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, - 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, - 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, - 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, - 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, - 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, - 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, - 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, - 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, - 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, - 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, - 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, - 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, - 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, - 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, - 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, - 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, - 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, - 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, - 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, - 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, - 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, - 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, - 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, - 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, - 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, - 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, - 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, - 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, - 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, - 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, - 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, - 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, - 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, - 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, - 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, - 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, - 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, - 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, - 0x2d02ef8dL -}; - - -void ieee80211_wep_init(struct ieee80211_local *local) -{ - /* start WEP IV from a random value */ - get_random_bytes(&local->wep_iv, WEP_IV_LEN); -} - - -static inline int ieee80211_wep_weak_iv(u32 iv, int keylen) -{ - /* Fluhrer, Mantin, and Shamir have reported weaknesses in the - * key scheduling algorithm of RC4. At least IVs (KeyByte + 3, - * 0xff, N) can be used to speedup attacks, so avoid using them. */ - if ((iv & 0xff00) == 0xff00) { - u8 B = (iv >> 16) & 0xff; - if (B >= 3 && B < 3 + keylen) - return 1; - } - return 0; -} - - -void ieee80211_wep_get_iv(struct ieee80211_local *local, - struct ieee80211_key *key, u8 *iv) -{ - local->wep_iv++; - if (ieee80211_wep_weak_iv(local->wep_iv, key->keylen)) - local->wep_iv += 0x0100; - - if (iv == NULL) - return; - - *iv++ = (local->wep_iv >> 16) & 0xff; - *iv++ = (local->wep_iv >> 8) & 0xff; - *iv++ = local->wep_iv & 0xff; - *iv++ = key->keyidx << 6; -} - - -u8 * ieee80211_wep_add_iv(struct ieee80211_local *local, - struct sk_buff *skb, - struct ieee80211_key *key) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; - u8 *newhdr; - - fc = le16_to_cpu(hdr->frame_control); - fc |= WLAN_FC_ISWEP; - hdr->frame_control = cpu_to_le16(fc); - - if ((skb_headroom(skb) < WEP_IV_LEN || - skb_tailroom(skb) < WEP_ICV_LEN)) { - I802_DEBUG_INC(local->tx_expand_skb_head); - if (unlikely(pskb_expand_head(skb, WEP_IV_LEN, WEP_ICV_LEN, - GFP_ATOMIC))) - return NULL; - } - - hdrlen = ieee80211_get_hdrlen(fc); - newhdr = skb_push(skb, WEP_IV_LEN); - memmove(newhdr, newhdr + WEP_IV_LEN, hdrlen); - ieee80211_wep_get_iv(local, key, newhdr + hdrlen); - return newhdr + hdrlen; -} - - -void ieee80211_wep_remove_iv(struct ieee80211_local *local, - struct sk_buff *skb, - struct ieee80211_key *key) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; - - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); - memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen); - skb_pull(skb, WEP_IV_LEN); -} - - -/* Perform WEP encryption using given key. data buffer must have tailroom - * for 4-byte ICV. data_len must not include this ICV. Note: this function - * does _not_ add IV. data = RC4(data | CRC32(data)) */ -void ieee80211_wep_encrypt_data(u8 *rc4key, size_t klen, u8 *data, - size_t data_len) -{ - u32 i, j, k, crc; - u8 S[256]; - u8 kpos, *pos; -#define S_SWAP(a,b) do { u8 t = S[a]; S[a] = S[b]; S[b] = t; } while(0) - - /* Setup RC4 state */ - for (i = 0; i < 256; i++) - S[i] = i; - j = 0; - kpos = 0; - for (i = 0; i < 256; i++) { - j = (j + S[i] + rc4key[kpos]) & 0xff; - kpos++; - if (kpos >= klen) - kpos = 0; - S_SWAP(i, j); - } - - /* Compute CRC32 over unencrypted data and apply RC4 to data */ - pos = data; - crc = ~0; - i = j = 0; - for (k = 0; k < data_len; k++) { - crc = crc32_table[(crc ^ *pos) & 0xff] ^ (crc >> 8); - i = (i + 1) & 0xff; - j = (j + S[i]) & 0xff; - S_SWAP(i, j); - *pos++ ^= S[(S[i] + S[j]) & 0xff]; - } - crc = ~crc; - - /* Append little-endian CRC32 and encrypt it to produce ICV */ - pos[0] = crc; - pos[1] = crc >> 8; - pos[2] = crc >> 16; - pos[3] = crc >> 24; - for (k = 0; k < 4; k++) { - i = (i + 1) & 0xff; - j = (j + S[i]) & 0xff; - S_SWAP(i, j); - *pos++ ^= S[(S[i] + S[j]) & 0xff]; - } -} - - -/* Perform WEP encryption on given skb. 4 bytes of extra space (IV) in the - * beginning of the buffer 4 bytes of extra space (ICV) in the end of the - * buffer will be added. Both IV and ICV will be transmitted, so the - * payload length increases with 8 bytes. - * - * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data)) - */ -int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb, - struct ieee80211_key *key) -{ - u32 klen; - u8 *rc4key, *iv; - size_t len; - - if (key == NULL || key->alg != ALG_WEP) - return -1; - - klen = 3 + key->keylen; - rc4key = kmalloc(klen, GFP_ATOMIC); - if (rc4key == NULL) - return -1; - - iv = ieee80211_wep_add_iv(local, skb, key); - if (iv == NULL) { - kfree(rc4key); - return -1; - } - - len = skb->len - (iv + WEP_IV_LEN - skb->data); - - /* Prepend 24-bit IV to RC4 key */ - memcpy(rc4key, iv, 3); - - /* Copy rest of the WEP key (the secret part) */ - memcpy(rc4key + 3, key->key, key->keylen); - - /* Add room for ICV */ - skb_put(skb, WEP_ICV_LEN); - - ieee80211_wep_encrypt_data(rc4key, klen, iv + WEP_IV_LEN, len); - - kfree(rc4key); - - return 0; -} - - -/* Perform WEP decryption using given key. data buffer includes encrypted - * payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV. - * Return 0 on success and -1 on ICV mismatch. */ -int ieee80211_wep_decrypt_data(u8 *rc4key, size_t klen, u8 *data, - size_t data_len) -{ - u32 i, j, k, crc; - u8 S[256]; - u8 kpos, *pos, crcbuf[WEP_ICV_LEN], *cpos; - - /* Setup RC4 state */ - for (i = 0; i < 256; i++) - S[i] = i; - j = 0; - kpos = 0; - for (i = 0; i < 256; i++) { - j = (j + S[i] + rc4key[kpos]) & 0xff; - kpos++; - if (kpos >= klen) - kpos = 0; - S_SWAP(i, j); - } - - /* Apply RC4 to data and compute CRC32 over decrypted data */ - pos = data; - crc = ~0; - i = j = 0; - for (k = 0; k < data_len; k++) { - i = (i + 1) & 0xff; - j = (j + S[i]) & 0xff; - S_SWAP(i, j); - *pos ^= S[(S[i] + S[j]) & 0xff]; - crc = crc32_table[(crc ^ *pos++) & 0xff] ^ (crc >> 8); - } - crc = ~crc; - - /* Decrypt little-endian CRC32 and verify that it matches with the - * received ICV */ - cpos = crcbuf; - crcbuf[0] = crc; - crcbuf[1] = crc >> 8; - crcbuf[2] = crc >> 16; - crcbuf[3] = crc >> 24; - for (k = 0; k < WEP_ICV_LEN; k++) { - i = (i + 1) & 0xff; - j = (j + S[i]) & 0xff; - S_SWAP(i, j); - if (*cpos++ != (*pos++ ^ S[(S[i] + S[j]) & 0xff])) { - /* ICV mismatch */ - return -1; - } - } - - return 0; -} - - -/* Perform WEP decryption on given skb. Buffer includes whole WEP part of - * the frame: IV (4 bytes), encrypted payload (including SNAP header), - * ICV (4 bytes). skb->len includes both IV and ICV. - * - * Returns 0 if frame was decrypted successfully and ICV was correct and -1 on - * failure. If frame is OK, IV and ICV will be removed, i.e., decrypted payload - * is moved to the beginning of the skb and skb length will be reduced. - */ -int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb, - struct ieee80211_key *key) -{ - u32 klen; - u8 *rc4key; - u8 keyidx; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; - size_t len; - int ret = 0; - - fc = le16_to_cpu(hdr->frame_control); - if (!(fc & WLAN_FC_ISWEP)) - return -1; - - hdrlen = ieee80211_get_hdrlen(fc); - - if (skb->len < 8 + hdrlen) - return -1; - - len = skb->len - hdrlen - 8; - - keyidx = skb->data[hdrlen + 3] >> 6; - - if (key == NULL || keyidx != key->keyidx || key->alg != ALG_WEP) - return -1; - - klen = 3 + key->keylen; - - rc4key = kmalloc(klen, GFP_ATOMIC); - if (rc4key == NULL) - return -1; - - /* Prepend 24-bit IV to RC4 key */ - memcpy(rc4key, skb->data + hdrlen, 3); - - /* Copy rest of the WEP key (the secret part) */ - memcpy(rc4key + 3, key->key, key->keylen); - - if (ieee80211_wep_decrypt_data(rc4key, klen, - skb->data + hdrlen + WEP_IV_LEN, - len)) { - printk(KERN_DEBUG "WEP decrypt failed (ICV)\n"); - ret = -1; - } - - kfree(rc4key); - - /* Trim ICV */ - skb_trim(skb, skb->len - WEP_ICV_LEN); - - /* Remove IV */ - memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen); - skb_pull(skb, WEP_IV_LEN); - - return ret; -} - - -int ieee80211_wep_get_keyidx(struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; - - fc = le16_to_cpu(hdr->frame_control); - if (!(fc & WLAN_FC_ISWEP)) - return -1; - - hdrlen = ieee80211_get_hdrlen(fc); - - if (skb->len < 8 + hdrlen) - return -1; - - return skb->data[hdrlen + 3] >> 6; -} - - -u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; - u8 *ivpos; - u32 iv; - - fc = le16_to_cpu(hdr->frame_control); - if (!(fc & WLAN_FC_ISWEP)) - return NULL; - - hdrlen = ieee80211_get_hdrlen(fc); - ivpos = skb->data + hdrlen; - iv = (ivpos[0] << 16) | (ivpos[1] << 8) | ivpos[2]; - - if (ieee80211_wep_weak_iv(iv, key->keylen)) - return ivpos; - - return NULL; -} diff --git a/target/linux/package/ieee80211-dscape/src/wep.h b/target/linux/package/ieee80211-dscape/src/wep.h deleted file mode 100644 index 6f693945af..0000000000 --- a/target/linux/package/ieee80211-dscape/src/wep.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Software WEP encryption implementation - * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi> - * Copyright 2003, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef WEP_H -#define WEP_H - -void ieee80211_wep_init(struct ieee80211_local *local); -void ieee80211_wep_get_iv(struct ieee80211_local *local, - struct ieee80211_key *key, u8 *iv); -u8 * ieee80211_wep_add_iv(struct ieee80211_local *local, - struct sk_buff *skb, - struct ieee80211_key *key); -void ieee80211_wep_remove_iv(struct ieee80211_local *local, - struct sk_buff *skb, - struct ieee80211_key *key); -void ieee80211_wep_encrypt_data(u8 *rc4key, size_t klen, u8 *data, - size_t data_len); -int ieee80211_wep_decrypt_data(u8 *rc4key, size_t klen, u8 *data, - size_t data_len); -int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb, - struct ieee80211_key *key); -int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb, - struct ieee80211_key *key); -int ieee80211_wep_get_keyidx(struct sk_buff *skb); -u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key); - -#endif /* WEP_H */ diff --git a/target/linux/package/ieee80211-dscape/src/wme.c b/target/linux/package/ieee80211-dscape/src/wme.c deleted file mode 100644 index b3fdd59e5a..0000000000 --- a/target/linux/package/ieee80211-dscape/src/wme.c +++ /dev/null @@ -1,700 +0,0 @@ -/* - * Copyright 2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/module.h> -#include <net/ip.h> - -#include <net/ieee80211.h> -#include "ieee80211_i.h" -#include "wme.h" - -#define CHILD_QDISC_OPS pfifo_qdisc_ops - -static inline int WLAN_FC_IS_QOS_DATA(u16 fc) -{ - return (fc & 0x8C) == 0x88; -} - - -ieee80211_txrx_result -ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx) -{ - u8 *data = rx->skb->data; - int tid; - - /* does the frame have a qos control field? */ - if (WLAN_FC_IS_QOS_DATA(rx->fc)) { - u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN; - /* frame has qos control */ - tid = qc[0] & QOS_CONTROL_TID_MASK; - } else { - if (unlikely(WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_MGMT)) { - /* Separate TID for management frames */ - tid = NUM_RX_DATA_QUEUES - 1; - } else { - /* no qos control present */ - tid = 0; /* 802.1d - Best Effort */ - } - } -#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS - I802_DEBUG_INC(rx->local->wme_rx_queue[tid]); - if (rx->sta) { - I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]); - } -#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */ - - rx->u.rx.queue = tid; - /* Set skb->priority to 1d tag if highest order bit of TID is not set. - * For now, set skb->priority to 0 for other cases. */ - rx->skb->priority = (tid > 7) ? 0 : tid; - - return TXRX_CONTINUE; -} - - -ieee80211_txrx_result -ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) -{ - u16 fc = rx->fc; - u8 *data = rx->skb->data; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data; - - if (!WLAN_FC_IS_QOS_DATA(fc)) - return TXRX_CONTINUE; - - /* remove the qos control field, update frame type and meta-data */ - memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2); - hdr = (struct ieee80211_hdr *) skb_pull(rx->skb, 2); - /* change frame type to non QOS */ - rx->fc = fc &= ~(WLAN_FC_STYPE_QOS_DATA << 4); - hdr->frame_control = cpu_to_le16(fc); - - return TXRX_CONTINUE; -} - - -/* maximum number of hardware queues we support. */ -#define TC_80211_MAX_QUEUES 8 - -struct ieee80211_sched_data -{ - struct tcf_proto *filter_list; - struct Qdisc *queues[TC_80211_MAX_QUEUES]; - struct sk_buff_head requeued[TC_80211_MAX_QUEUES]; -}; - - -/* given a data frame determine the 802.1p/1d tag to use */ -static inline unsigned classify_1d(struct sk_buff *skb, struct Qdisc *qd) -{ - struct iphdr *ip; - int dscp; - int offset; - -#ifdef CONFIG_NET_SCHED - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct tcf_result res = { -1, 0 }; - - /* if there is a user set filter list, call out to that */ - if (q->filter_list) { - tc_classify(skb, q->filter_list, &res); - if (res.class != -1) - return res.class; - } -#endif /* CONFIG_NET_SCHED */ - - /* skb->priority values from 256->263 are magic values to - * directly indicate a specific 802.1d priority. - * This is used to allow 802.1d priority to be passed directly in - * from VLAN tags, etc. */ - if (skb->priority >= 256 && skb->priority <= 263) - return skb->priority - 256; - - /* check there is a valid IP header present */ - offset = ieee80211_get_hdrlen_from_skb(skb) + 8 /* LLC + proto */; - if (skb->protocol != __constant_htons(ETH_P_IP) || - skb->len < offset + sizeof(*ip)) - return 0; - - ip = (struct iphdr *) (skb->data + offset); - - dscp = ip->tos & 0xfc; - switch (dscp) { - case 0x20: - return 2; - case 0x40: - return 1; - case 0x60: - return 3; - case 0x80: - return 4; - case 0xa0: - return 5; - case 0xc0: - return 6; - case 0xe0: - return 7; - default: - return 0; - } -} - - - - -static inline int wme_downgrade_ac(struct sk_buff *skb) -{ - switch (skb->priority) { - case 6: - case 7: - skb->priority = 5; /* VO -> VI */ - return 0; - case 4: - case 5: - skb->priority = 3; /* VI -> BE */ - return 0; - case 0: - case 3: - skb->priority = 2; /* BE -> BK */ - return 0; - default: - return -1; - } -} - - -/* positive return value indicates which queue to use - * negative return value indicates to drop the frame */ -static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd) -{ - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_tx_packet_data *pkt_data = - (struct ieee80211_tx_packet_data *) skb->cb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - unsigned short fc = le16_to_cpu(hdr->frame_control); - int qos; - const int ieee802_1d_to_ac[8] = { 2, 3, 3, 2, 1, 1, 0, 0 }; - - if (unlikely(pkt_data->magic != IEEE80211_CB_MAGIC)) - return -1; - - /* see if frame is data or non data frame */ - if (unlikely(WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA)) { - /* management frames go on AC_VO queue, but are sent - * without QoS control fields */ - return IEEE80211_TX_QUEUE_DATA0; - } - - if (unlikely(pkt_data->sdata->type == IEEE80211_SUB_IF_TYPE_MGMT)) { - /* Data frames from hostapd (mainly, EAPOL) use AC_VO - * and they will include QoS control fields if - * the target STA is using WME. */ - skb->priority = 7; - return ieee802_1d_to_ac[skb->priority]; - } - - - /* is this a QoS frame? */ - qos = fc & (WLAN_FC_STYPE_QOS_DATA << 4); - - - if (!qos) { - skb->priority = 0; /* required for correct WPA/11i MIC */ - return ieee802_1d_to_ac[skb->priority]; - } - - /* use the data classifier to determine what 802.1d tag the - * data frame has */ - skb->priority = classify_1d(skb, qd); - - - /* incase we are a client verify acm is not set for this ac */ - for (; unlikely(local->wmm_acm & BIT(skb->priority)); ) - { - if (wme_downgrade_ac(skb)) { - /* No AC with lower priority has acm=0, - * drop packet. */ - return -1; - } - } - - /* look up which queue to use for frames with this 1d tag */ - return ieee802_1d_to_ac[skb->priority]; -} - - -static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) -{ - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_tx_packet_data *pkt_data = - (struct ieee80211_tx_packet_data *) skb->cb; - struct ieee80211_tx_control *control = &pkt_data->control; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - unsigned short fc = le16_to_cpu(hdr->frame_control); - struct Qdisc *qdisc; - int err, queue; - - if (control->requeue) { - skb_queue_tail(&q->requeued[control->queue], skb); - return 0; - } - - queue = classify80211(skb, qd); - - /* now we know the 1d priority, fill in the QoS header if there is one */ - if (WLAN_FC_IS_QOS_DATA(fc)) { - struct qos_control *qc = (struct qos_control *) (skb->data + ieee80211_get_hdrlen(fc) - 2); - u8 *p = (u8 *) qc; - *p++ = 0; /* do this due to gcc's lack of optimization on bitfield ops */ - *p = 0; - qc->tag1d = skb->priority; - if (local->wifi_wme_noack_test) - qc->ack_policy = 1; - } - - if (unlikely(queue >= local->hw->queues)) { -#if 0 - if (net_ratelimit()) { - printk(KERN_DEBUG "%s - queue=%d (hw does not " - "support) -> %d\n", - __func__, queue, local->hw->queues - 1); - } -#endif - queue = local->hw->queues - 1; - } - - if (unlikely(queue < 0)) { - kfree_skb(skb); - err = NET_XMIT_DROP; - } else { - control->queue = (unsigned int) queue; - qdisc = q->queues[queue]; - err = qdisc->enqueue(skb, qdisc); - if (err == NET_XMIT_SUCCESS) { - qd->q.qlen++; - qd->bstats.bytes += skb->len; - qd->bstats.packets++; - return NET_XMIT_SUCCESS; - } - } - qd->qstats.drops++; - return err; -} - - -/* TODO: clean up the cases where master_hard_start_xmit - * returns non 0 - it shouldn't ever do that. Once done we - * can remove this function */ -static int wme_qdiscop_requeue(struct sk_buff *skb, struct Qdisc* qd) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_tx_packet_data *pkt_data = - (struct ieee80211_tx_packet_data *) skb->cb; - struct Qdisc *qdisc; - int err; - - /* we recorded which queue to use earlier! */ - qdisc = q->queues[pkt_data->control.queue]; - - if ((err = qdisc->ops->requeue(skb, qdisc)) == 0) { - qd->q.qlen++; - return 0; - } - qd->qstats.drops++; - return err; -} - - -static struct sk_buff *wme_qdiscop_dequeue(struct Qdisc* qd) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct net_device *dev = qd->dev; - struct ieee80211_local *local = dev->priv; - struct ieee80211_hw *hw = local->hw; - struct ieee80211_tx_queue_stats stats; - struct sk_buff *skb; - struct Qdisc *qdisc; - int queue; - - /* find which hardware queues have space in them */ - hw->get_tx_stats(dev, &stats); - - /* check all the h/w queues in numeric/priority order */ - for (queue = 0; queue < hw->queues; queue++) { - /* see if there is room in this hardware queue */ - if (stats.data[queue].len >= stats.data[queue].limit) - continue; - - /* there is space - try and get a frame */ - skb = skb_dequeue(&q->requeued[queue]); - if (skb) - return skb; - - qdisc = q->queues[queue]; - skb = qdisc->dequeue(qdisc); - if (skb) { - qd->q.qlen--; - return skb; - } - } - /* returning a NULL here when all the h/w queues are full means we - * never need to call netif_stop_queue in the driver */ - return NULL; -} - - -static void wme_qdiscop_reset(struct Qdisc* qd) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - int queue; - - /* QUESTION: should we have some hardware flush functionality here? */ - - for (queue = 0; queue < hw->queues; queue++) { - skb_queue_purge(&q->requeued[queue]); - qdisc_reset(q->queues[queue]); - } - qd->q.qlen = 0; -} - - -static void wme_qdiscop_destroy(struct Qdisc* qd) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - struct tcf_proto *tp; - int queue; - - while ((tp = q->filter_list) != NULL) { - q->filter_list = tp->next; - tp->ops->destroy(tp); - } - - for (queue=0; queue < hw->queues; queue++) { - skb_queue_purge(&q->requeued[queue]); - qdisc_destroy(q->queues[queue]); - q->queues[queue] = &noop_qdisc; - } -} - - -/* called whenever parameters are updated on existing qdisc */ -static int wme_qdiscop_tune(struct Qdisc *qd, struct rtattr *opt) -{ -/* struct ieee80211_sched_data *q = qdisc_priv(qd); -*/ - /* check our options block is the right size */ - /* copy any options to our local structure */ -/* Ignore options block for now - always use static mapping - struct tc_ieee80211_qopt *qopt = RTA_DATA(opt); - - if (opt->rta_len < RTA_LENGTH(sizeof(*qopt))) - return -EINVAL; - memcpy(q->tag2queue, qopt->tag2queue, sizeof(qopt->tag2queue)); -*/ - return 0; -} - - -/* called during initial creation of qdisc on device */ -static int wme_qdiscop_init(struct Qdisc *qd, struct rtattr *opt) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct net_device *dev = qd->dev; - struct ieee80211_local *local = dev->priv; - int queues = local->hw->queues; - int err = 0, i; - - /* check this device is an ieee80211 master type device */ - if (dev->type != ARPHRD_IEEE80211) - return -EINVAL; - - /* check that there is no qdisc currently attached to device - * this ensures that we will be the root qdisc. (I can't find a better - * way to test this explicitly) */ - if (dev->qdisc_sleeping != &noop_qdisc) - return -EINVAL; - - if (qd->flags & TCQ_F_INGRESS) - return -EINVAL; - - /* if options were passed in, set them */ - if (opt) { - err = wme_qdiscop_tune(qd, opt); - } - - /* create child queues */ - for (i = 0; i < queues; i++) { - skb_queue_head_init(&q->requeued[i]); - q->queues[i] = qdisc_create_dflt(qd->dev, &CHILD_QDISC_OPS); - if (q->queues[i] == 0) { - q->queues[i] = &noop_qdisc; - printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i); - } - } - - return err; -} - -static int wme_qdiscop_dump(struct Qdisc *qd, struct sk_buff *skb) -{ -/* struct ieee80211_sched_data *q = qdisc_priv(qd); - unsigned char *p = skb->tail; - struct tc_ieee80211_qopt opt; - - memcpy(&opt.tag2queue, q->tag2queue, TC_80211_MAX_TAG + 1); - RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt); -*/ return skb->len; -/* -rtattr_failure: - skb_trim(skb, p - skb->data);*/ - return -1; -} - - -static int wme_classop_graft(struct Qdisc *qd, unsigned long arg, - struct Qdisc *new, struct Qdisc **old) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - unsigned long queue = arg - 1; - - if (queue >= hw->queues) - return -EINVAL; - - if (new == NULL) - new = &noop_qdisc; - - sch_tree_lock(qd); - *old = q->queues[queue]; - q->queues[queue] = new; - qdisc_reset(*old); - sch_tree_unlock(qd); - - return 0; -} - - -static struct Qdisc * -wme_classop_leaf(struct Qdisc *qd, unsigned long arg) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - unsigned long queue = arg - 1; - - if (queue >= hw->queues) - return NULL; - - return q->queues[queue]; -} - - -static unsigned long wme_classop_get(struct Qdisc *qd, u32 classid) -{ - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - unsigned long queue = TC_H_MIN(classid); - - if (queue - 1 >= hw->queues) - return 0; - - return queue; -} - - -static unsigned long wme_classop_bind(struct Qdisc *qd, unsigned long parent, - u32 classid) -{ - return wme_classop_get(qd, classid); -} - - -static void wme_classop_put(struct Qdisc *q, unsigned long cl) -{ - /* printk(KERN_DEBUG "entering %s\n", __func__); */ -} - - -static int wme_classop_change(struct Qdisc *qd, u32 handle, u32 parent, - struct rtattr **tca, unsigned long *arg) -{ - unsigned long cl = *arg; - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - /* printk(KERN_DEBUG "entering %s\n", __func__); */ - - if (cl - 1 > hw->queues) - return -ENOENT; - - /* TODO: put code to program hardware queue parameters here, - * to allow programming from tc command line */ - - return 0; -} - - -/* we don't support deleting hardware queues - * when we add WMM-SA support - TSPECs may be deleted here */ -static int wme_classop_delete(struct Qdisc *qd, unsigned long cl) -{ - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - /* printk(KERN_DEBUG "entering %s\n", __func__); */ - - if (cl - 1 > hw->queues) - return -ENOENT; - return 0; -} - - -static int wme_classop_dump_class(struct Qdisc *qd, unsigned long cl, - struct sk_buff *skb, struct tcmsg *tcm) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - /* printk(KERN_DEBUG "entering %s\n", __func__); */ - - if (cl - 1 > hw->queues) - return -ENOENT; - tcm->tcm_handle = TC_H_MIN(cl); - tcm->tcm_parent = qd->handle; - tcm->tcm_info = q->queues[cl-1]->handle; /* do we need this? */ - return 0; -} - - -static void wme_classop_walk(struct Qdisc *qd, struct qdisc_walker *arg) -{ - struct ieee80211_local *local = qd->dev->priv; - struct ieee80211_hw *hw = local->hw; - int queue; - /* printk(KERN_DEBUG "entering %s\n", __func__); */ - - if (arg->stop) - return; - - for (queue = 0; queue < hw->queues; queue++) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - /* we should return classids for our internal queues here - * as well as the external ones */ - if (arg->fn(qd, queue+1, arg) < 0) { - arg->stop = 1; - break; - } - arg->count++; - } -} - - -static struct tcf_proto ** wme_classop_find_tcf(struct Qdisc *qd, - unsigned long cl) -{ - struct ieee80211_sched_data *q = qdisc_priv(qd); - /* printk("entering %s\n", __func__); */ - - if (cl) - return NULL; - - return &q->filter_list; -} - - -/* this qdisc is classful (i.e. has classes, some of which may have leaf qdiscs attached) - * - these are the operations on the classes */ -static struct Qdisc_class_ops class_ops = -{ - .graft = wme_classop_graft, - .leaf = wme_classop_leaf, - - .get = wme_classop_get, - .put = wme_classop_put, - .change = wme_classop_change, - .delete = wme_classop_delete, - .walk = wme_classop_walk, - - .tcf_chain = wme_classop_find_tcf, - .bind_tcf = wme_classop_bind, - .unbind_tcf = wme_classop_put, - - .dump = wme_classop_dump_class, -}; - - -/* queueing discipline operations */ -static struct Qdisc_ops wme_qdisc_ops = -{ - .next = NULL, - .cl_ops = &class_ops, - .id = "ieee80211", - .priv_size = sizeof(struct ieee80211_sched_data), - - .enqueue = wme_qdiscop_enqueue, - .dequeue = wme_qdiscop_dequeue, - .requeue = wme_qdiscop_requeue, - .drop = NULL, /* drop not needed since we are always the root qdisc */ - - .init = wme_qdiscop_init, - .reset = wme_qdiscop_reset, - .destroy = wme_qdiscop_destroy, - .change = wme_qdiscop_tune, - - .dump = wme_qdiscop_dump, -}; - - -void ieee80211_install_qdisc(struct net_device *dev) -{ - struct Qdisc *qdisc; - - qdisc = qdisc_create_dflt(dev, &wme_qdisc_ops); - if (qdisc == NULL) { - printk(KERN_ERR "%s: qdisc installation failed\n", dev->name); - return; - } - - /* same handle as would be allocated by qdisc_alloc_handle() */ - qdisc->handle = 0x80010000; - - write_lock(&qdisc_tree_lock); - list_add_tail(&qdisc->list, &dev->qdisc_list); - dev->qdisc_sleeping = qdisc; - write_unlock(&qdisc_tree_lock); -} - - -int ieee80211_wme_register(void) -{ - int err = 0; - -#ifdef CONFIG_NET_SCHED - err = register_qdisc(&wme_qdisc_ops); -#endif - return err; -} - - -void ieee80211_wme_unregister(void) -{ -#ifdef CONFIG_NET_SCHED - unregister_qdisc(&wme_qdisc_ops); -#endif -} diff --git a/target/linux/package/ieee80211-dscape/src/wme.h b/target/linux/package/ieee80211-dscape/src/wme.h deleted file mode 100644 index 9b27947807..0000000000 --- a/target/linux/package/ieee80211-dscape/src/wme.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * IEEE 802.11 driver (80211.o) - QoS datatypes - * Copyright 2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <asm/byteorder.h> -#include <net/pkt_sched.h> - -#define QOS_CONTROL_LEN 2 - -#define QOS_CONTROL_ACK_POLICY_NORMAL 0 -#define QOS_CONTROL_ACK_POLICY_NOACK 1 - -#define QOS_CONTROL_TID_MASK 0x0f -#define QOS_CONTROL_ACK_POLICY_SHIFT 5 - -/* This bit field structure should not be used; it can cause compiler to - * generate unaligned accesses and inefficient code. */ -struct qos_control { -#if defined(__LITTLE_ENDIAN_BITFIELD) - u8 tag1d:3, /* bits 0-2 */ - reserved1:1, - eosp:1, - ack_policy:2, - reserved2:1; -#elif defined (__BIG_ENDIAN_BITFIELD) - u8 reserved2:1, - ack_policy:2, - eosp:1, - reserved1:1, - tag1d:3; /* bits 0-2 */ -#else -#error "Please fix <asm/byteorder.h>" -#endif - u8 reserved; -} __attribute__ ((packed)); - -ieee80211_txrx_result -ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx); - -ieee80211_txrx_result -ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx); - -void ieee80211_install_qdisc(struct net_device *dev); - -int ieee80211_wme_register(void); -void ieee80211_wme_unregister(void); - diff --git a/target/linux/package/ieee80211-dscape/src/wpa.c b/target/linux/package/ieee80211-dscape/src/wpa.c deleted file mode 100644 index e0050dbd8f..0000000000 --- a/target/linux/package/ieee80211-dscape/src/wpa.c +++ /dev/null @@ -1,825 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/compiler.h> -#include <linux/wireless.h> -#include <net/iw_handler.h> - -#include <net/ieee80211.h> -#include <net/ieee80211_common.h> -#include "ieee80211_i.h" -#include "michael.h" -#include "tkip.h" -#include "aes_ccm.h" -#include "wpa.h" -#ifdef CONFIG_HOSTAPD_WPA_TESTING -#include "hostapd_ioctl.h" -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - -#define MICHAEL_MIC_HWACCEL - - -int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da, - u8 *qos_tid, u8 **data, size_t *data_len) -{ - struct ieee80211_hdr *hdr; - size_t hdrlen; - u16 fc; - int a4_included; - u8 *pos; - - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - hdrlen = 24; - if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) == - (WLAN_FC_FROMDS | WLAN_FC_TODS)) { - hdrlen += ETH_ALEN; - *sa = hdr->addr4; - *da = hdr->addr3; - } else if (fc & WLAN_FC_FROMDS) { - *sa = hdr->addr3; - *da = hdr->addr1; - } else if (fc & WLAN_FC_TODS) { - *sa = hdr->addr2; - *da = hdr->addr3; - } else { - *sa = hdr->addr2; - *da = hdr->addr1; - } - - if (fc & 0x80) - hdrlen += 2; - - *data = skb->data + hdrlen; - *data_len = skb->len - hdrlen; - - a4_included = (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) == - (WLAN_FC_TODS | WLAN_FC_FROMDS); - if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA && - WLAN_FC_GET_STYPE(fc) & 0x08) { - pos = (u8 *) &hdr->addr4; - if (a4_included) - pos += 6; - *qos_tid = pos[0] & 0x0f; - *qos_tid |= 0x80; /* qos_included flag */ - } else - *qos_tid = 0; - - return skb->len < hdrlen ? -1 : 0; -} - - -ieee80211_txrx_result -ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) -{ - u8 *data, *sa, *da, *key, *mic, qos_tid; - size_t data_len; - u16 fc; - struct sk_buff *skb = tx->skb; - int authenticator; -#if defined(CONFIG_HOSTAPD_WPA_TESTING) || defined(MICHAEL_MIC_HWACCEL) - int wpa_test = 0; -#endif - - fc = tx->fc; - - if (!tx->key || tx->key->alg != ALG_TKIP || skb->len < 24 || - !WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; - - if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)) - return TXRX_DROP; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if ((tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) || - (!tx->u.tx.unicast && - tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC)) { - wpa_test = 1; - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - -#ifdef MICHAEL_MIC_HWACCEL - if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt && - !tx->fragmented && !wpa_test) { - /* hwaccel - with no need for preallocated room for Michael MIC - */ - return TXRX_CONTINUE; - } -#endif /* MICHAEL_MIC_HWACCEL */ - - if (skb_tailroom(skb) < MICHAEL_MIC_LEN) { - I802_DEBUG_INC(tx->local->tx_expand_skb_head); - if (unlikely(pskb_expand_head(skb, TKIP_IV_LEN, - MICHAEL_MIC_LEN + TKIP_ICV_LEN, - GFP_ATOMIC))) { - printk(KERN_DEBUG "%s: failed to allocate more memory " - "for Michael MIC\n", tx->dev->name); - return TXRX_DROP; - } - } - -#if 0 - authenticator = fc & WLAN_FC_FROMDS; /* FIX */ -#else - authenticator = 1; -#endif - key = &tx->key->key[authenticator ? ALG_TKIP_TEMP_AUTH_TX_MIC_KEY : - ALG_TKIP_TEMP_AUTH_RX_MIC_KEY]; - mic = skb_put(skb, MICHAEL_MIC_LEN); - michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) { - printk(KERN_INFO "%s: WPA testing - corrupting TX Michael MIC " - "for STA " MACSTR "\n", - tx->dev->name, MAC2STR(tx->sta->addr)); - tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID; - tx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_MIC; - tx->wpa_test = 1; - mic[0]++; - } else if (!tx->u.tx.unicast && - tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) { - printk(KERN_INFO "%s: WPA testing - corrupting TX Michael MIC " - "for Group Key\n", tx->dev->name); - tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID; - tx->local->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_MIC; - tx->wpa_test = 1; - mic[0]++; - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - return TXRX_CONTINUE; -} - - -ieee80211_txrx_result -ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) -{ - u8 *data, *sa, *da, *key = NULL, qos_tid; - size_t data_len; - u16 fc; - u8 mic[MICHAEL_MIC_LEN]; - struct sk_buff *skb = rx->skb; - int authenticator = 1, wpa_test = 0; - - fc = rx->fc; - - /* If device handles decryption totally, skip this check */ - if (rx->local->hw->device_hides_wep || - rx->local->hw->device_strips_mic) - return TXRX_CONTINUE; - - if (!rx->key || rx->key->alg != ALG_TKIP || - !(rx->fc & WLAN_FC_ISWEP) || !WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_MIC) { - wpa_test = 1; - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - -#ifdef MICHAEL_MIC_HWACCEL - if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && - !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt) { - if (rx->local->hw->wep_include_iv) { - if (skb->len < MICHAEL_MIC_LEN) - return TXRX_DROP; - } - /* Need to verify Michael MIC sometimes in software even when - * hwaccel is used. Atheros ar5212: fragmented frames and QoS - * frames. */ - if (!rx->fragmented && !wpa_test) - goto remove_mic; - } -#endif /* MICHAEL_MIC_HWACCEL */ - - if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len) - || data_len < MICHAEL_MIC_LEN) - return TXRX_DROP; - - data_len -= MICHAEL_MIC_LEN; - -#if 0 - authenticator = fc & WLAN_FC_TODS; /* FIX */ -#else - authenticator = 1; -#endif - key = &rx->key->key[authenticator ? ALG_TKIP_TEMP_AUTH_RX_MIC_KEY : - ALG_TKIP_TEMP_AUTH_TX_MIC_KEY]; - michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_MIC) { - printk(KERN_INFO "%s: WPA testing - corrupting RX Michael MIC " - "for STA " MACSTR "\n", - rx->dev->name, MAC2STR(rx->sta->addr)); - rx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_RX_MIC; - mic[0]++; - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { -#ifdef CONFIG_HOSTAPD_WPA_TESTING - int i; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " - MACSTR "\n", rx->dev->name, MAC2STR(sa)); -#ifdef CONFIG_HOSTAPD_WPA_TESTING - printk(KERN_DEBUG " received"); - for (i = 0; i < MICHAEL_MIC_LEN; i++) - printk(" %02x", data[data_len + i]); - printk(" expected"); - for (i = 0; i < MICHAEL_MIC_LEN; i++) - printk(" %02x", mic[i]); - printk("\n"); - printk(KERN_DEBUG " SA=" MACSTR " DA=" MACSTR " key", - MAC2STR(sa), MAC2STR(da)); - for (i = 0; i < 8; i++) - printk(" %02x", key[i]); - printk(" (%d)\n", authenticator); -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - do { - struct ieee80211_hdr *hdr; - union iwreq_data wrqu; - char *buf = kmalloc(128, GFP_ATOMIC); - if (buf == NULL) - break; - - /* TODO: needed parameters: count, key type, TSC */ - hdr = (struct ieee80211_hdr *) skb->data; - sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" - "keyid=%d %scast addr=" MACSTR ")", - rx->key->keyidx, - hdr->addr1[0] & 0x01 ? "broad" : "uni", - MAC2STR(hdr->addr2)); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(rx->dev, IWEVCUSTOM, &wrqu, buf); - kfree(buf); - } while (0); - - ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status, - ieee80211_msg_michael_mic_failure); - - return TXRX_QUEUED; - } - -#ifdef MICHAEL_MIC_HWACCEL - remove_mic: -#endif /* MICHAEL_MIC_HWACCEL */ - /* remove Michael MIC from payload */ - skb_trim(skb, skb->len - MICHAEL_MIC_LEN); - - return TXRX_CONTINUE; -} - - -static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, - struct sk_buff *skb, int test) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_key *key = tx->key; - int hdrlen, len, tailneed; - u16 fc; - u8 *pos; - - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); - len = skb->len - hdrlen; - - tailneed = (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt) - ? 0 : TKIP_ICV_LEN; - if ((skb_headroom(skb) < TKIP_IV_LEN || - skb_tailroom(skb) < tailneed)) { - I802_DEBUG_INC(tx->local->tx_expand_skb_head); - if (unlikely(pskb_expand_head(skb, TKIP_IV_LEN, tailneed, - GFP_ATOMIC))) - return -1; - } - - pos = skb_push(skb, TKIP_IV_LEN); - memmove(pos, pos + TKIP_IV_LEN, hdrlen); - pos += hdrlen; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (test & WPA_TRIGGER_TX_REPLAY) - goto skip_iv_inc; -iv_inc: -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - /* Increase IV for the frame */ - key->u.tkip.iv16++; - if (key->u.tkip.iv16 == 0) - key->u.tkip.iv32++; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (test & WPA_TRIGGER_TX_SKIP_SEQ) { - test = 0; - goto iv_inc; - } -skip_iv_inc: -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt -#ifdef CONFIG_HOSTAPD_WPA_TESTING - && !tx->wpa_test -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - ) { - /* hwaccel - with preallocated room for IV */ - - ieee80211_tkip_add_iv(pos, key, - (u8) (key->u.tkip.iv16 >> 8), - (u8) (((key->u.tkip.iv16 >> 8) | 0x20) & - 0x7f), - (u8) key->u.tkip.iv16); - - tx->u.tx.control->key_idx = tx->key->hw_key_idx; - return 0; - } - - /* Add room for ICV */ - skb_put(skb, TKIP_ICV_LEN); - - hdr = (struct ieee80211_hdr *) skb->data; - ieee80211_tkip_encrypt_data(key, pos, len, hdr->addr2); - return 0; -} - - -ieee80211_txrx_result -ieee80211_tx_h_tkip_encrypt(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 fc; - struct ieee80211_key *key = tx->key; - struct sk_buff *skb = tx->skb; - int wpa_test = 0, test = 0; - - fc = le16_to_cpu(hdr->frame_control); - - if (!key || key->alg != ALG_TKIP || !WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; - - tx->u.tx.control->icv_len = TKIP_ICV_LEN; - tx->u.tx.control->iv_len = TKIP_IV_LEN; - ieee80211_tx_set_iswep(tx); - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if ((tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) || - (!tx->u.tx.unicast && - tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV)) { - wpa_test = 1; - } - - if (tx->sta) { - test = tx->sta->wpa_trigger; - tx->sta->wpa_trigger &= - ~(WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG | - WPA_TRIGGER_TX_SKIP_SEQ); - } else { - test = tx->local->wpa_trigger; - tx->local->wpa_trigger &= - ~(WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG | - WPA_TRIGGER_TX_SKIP_SEQ); - } - if (test & - (WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG | - WPA_TRIGGER_TX_SKIP_SEQ)) { - printk(KERN_INFO "%s: WPA testing - TKIP TX packet number " - "%s%s%s%s\n", tx->dev->name, - tx->sta ? "[UNICAST]" : "[MULTICAST]", - test & WPA_TRIGGER_TX_REPLAY ? "[REPLAY]" : "", - test & WPA_TRIGGER_TX_REPLAY_FRAG ? - "[REPLAY FRAG]" : "", - test & WPA_TRIGGER_TX_SKIP_SEQ ? "[SKIP SEQ]" : ""); - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt && - !tx->local->hw->wep_include_iv && !wpa_test) { - /* hwaccel - with no need for preallocated room for IV/ICV */ - tx->u.tx.control->key_idx = tx->key->hw_key_idx; - return TXRX_CONTINUE; - } - - if (tkip_encrypt_skb(tx, skb, test) < 0) - return TXRX_DROP; - - if (tx->u.tx.extra_frag) { - int i; -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (test & WPA_TRIGGER_TX_REPLAY_FRAG) - test |= WPA_TRIGGER_TX_REPLAY; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) - < 0) - return TXRX_DROP; - } - } - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) { - printk(KERN_INFO "%s: WPA testing - corrupting TX TKIP ICV " - "for STA " MACSTR "\n", - tx->dev->name, MAC2STR(tx->sta->addr)); - tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID; - tx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_ICV; - skb->data[skb->len - 1]++; - } else if (!tx->u.tx.unicast && - tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) { - printk(KERN_INFO "%s: WPA testing - corrupting TX TKIP ICV " - "for Group Key\n", - tx->dev->name); - tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID; - tx->local->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_ICV; - skb->data[skb->len - 1]++; - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - return TXRX_CONTINUE; -} - - -ieee80211_txrx_result -ieee80211_rx_h_tkip_decrypt(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; - u16 fc; - int hdrlen, res, hwaccel = 0, wpa_test = 0; - struct ieee80211_key *key = rx->key; - struct sk_buff *skb = rx->skb; - - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); - - if (!rx->key || rx->key->alg != ALG_TKIP || - !(rx->fc & WLAN_FC_ISWEP) || - WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA) - return TXRX_CONTINUE; - - if (!rx->sta || skb->len - hdrlen < 12) - return TXRX_DROP; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_ICV) { - printk(KERN_INFO "%s: WPA testing - corrupting RX TKIP ICV " - "for STA " MACSTR "\n", - rx->dev->name, MAC2STR(rx->sta->addr)); - rx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_RX_ICV; - skb->data[skb->len - 1]++; - wpa_test = 1; - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && - !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt) { - if (!rx->local->hw->wep_include_iv) { - /* Hardware takes care of all processing, including - * replay protection, so no need to continue here. */ - return TXRX_CONTINUE; - } - - /* let TKIP code verify IV, but skip decryption */ - hwaccel = 1; - } - - res = ieee80211_tkip_decrypt_data(key, skb->data + hdrlen, - skb->len - hdrlen, rx->sta->addr, - hwaccel, rx->u.rx.queue); - if (res != TKIP_DECRYPT_OK || wpa_test) { - printk(KERN_DEBUG "%s: TKIP decrypt failed for RX frame from " - MACSTR " (res=%d)\n", - rx->dev->name, MAC2STR(rx->sta->addr), res); - return TXRX_DROP; - } - - /* Trim ICV */ - skb_trim(skb, skb->len - TKIP_ICV_LEN); - - /* Remove IV */ - memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen); - skb_pull(skb, TKIP_IV_LEN); - - return TXRX_CONTINUE; -} - - -static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *b_0, u8 *aad, - int encrypted) -{ - u16 fc; - int a4_included, qos_included; - u8 qos_tid, *fc_pos, *data, *sa, *da; - int len_a; - size_t data_len; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - - fc_pos = (u8 *) &hdr->frame_control; - fc = fc_pos[0] ^ (fc_pos[1] << 8); - a4_included = (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) == - (WLAN_FC_TODS | WLAN_FC_FROMDS); - - ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len); - data_len -= CCMP_HDR_LEN + (encrypted ? CCMP_MIC_LEN : 0); - if (qos_tid & 0x80) { - qos_included = 1; - qos_tid &= 0x0f; - } else - qos_included = 0; - /* First block, b_0 */ - - b_0[0] = 0x59; /* flags: Adata: 1, M: 011, L: 001 */ - /* Nonce: QoS Priority | A2 | PN */ - b_0[1] = qos_tid; - memcpy(&b_0[2], hdr->addr2, 6); - memcpy(&b_0[8], pn, CCMP_PN_LEN); - /* l(m) */ - b_0[14] = (data_len >> 8) & 0xff; - b_0[15] = data_len & 0xff; - - - /* AAD (extra authenticate-only data) / masked 802.11 header - * FC | A1 | A2 | A3 | SC | [A4] | [QC] */ - - len_a = a4_included ? 28 : 22; - if (qos_included) - len_a += 2; - - aad[0] = 0; /* (len_a >> 8) & 0xff; */ - aad[1] = len_a & 0xff; - /* Mask FC: zero subtype b4 b5 b6 */ - aad[2] = fc_pos[0] & ~(BIT(4) | BIT(5) | BIT(6)); - /* Retry, PwrMgt, MoreData; set Protected */ - aad[3] = (fc_pos[1] & ~(BIT(3) | BIT(4) | BIT(5))) | BIT(6); - memcpy(&aad[4], &hdr->addr1, 18); - - /* Mask Seq#, leave Frag# */ - aad[22] = *((u8 *) &hdr->seq_ctrl) & 0x0f; - aad[23] = 0; - if (a4_included) { - memcpy(&aad[24], hdr->addr4, 6); - aad[30] = 0; - aad[31] = 0; - } else - memset(&aad[24], 0, 8); - if (qos_included) { - u8 *dpos = &aad[a4_included ? 30 : 24]; - - /* Mask QoS Control field */ - dpos[0] = qos_tid; - dpos[1] = 0; - } -} - - -static inline void ccmp_pn2hdr(u8 *hdr, u8 *pn, int key_id) -{ - hdr[0] = pn[5]; - hdr[1] = pn[4]; - hdr[2] = 0; - hdr[3] = 0x20 | (key_id << 6); - hdr[4] = pn[3]; - hdr[5] = pn[2]; - hdr[6] = pn[1]; - hdr[7] = pn[0]; -} - - -static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr) -{ - pn[0] = hdr[7]; - pn[1] = hdr[6]; - pn[2] = hdr[5]; - pn[3] = hdr[4]; - pn[4] = hdr[1]; - pn[5] = hdr[0]; - return (hdr[3] >> 6) & 0x03; -} - - -static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, - struct sk_buff *skb, int test) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_key *key = tx->key; - int hdrlen, len, tailneed; - u16 fc; - u8 *pos, *pn; - u8 b_0[AES_BLOCK_LEN], aad[2 * AES_BLOCK_LEN]; - int i; - - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); - len = skb->len - hdrlen; - - tailneed = (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt) - ? 0 : CCMP_MIC_LEN; - - if ((skb_headroom(skb) < CCMP_HDR_LEN || - skb_tailroom(skb) < tailneed)) { - I802_DEBUG_INC(tx->local->tx_expand_skb_head); - if (unlikely(pskb_expand_head(skb, CCMP_HDR_LEN, tailneed, - GFP_ATOMIC))) - return -1; - } - - pos = skb_push(skb, CCMP_HDR_LEN); - memmove(pos, pos + CCMP_HDR_LEN, hdrlen); - hdr = (struct ieee80211_hdr *) pos; - pos += hdrlen; - - /* PN = PN + 1 */ - pn = key->u.ccmp.tx_pn; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (test & WPA_TRIGGER_TX_REPLAY) - goto skip_pn_inc; -pn_inc: -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - for (i = CCMP_PN_LEN - 1; i >= 0; i--) { - pn[i]++; - if (pn[i]) - break; - } - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (test & WPA_TRIGGER_TX_SKIP_SEQ) { - test = 0; - goto pn_inc; - } -skip_pn_inc: -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - ccmp_pn2hdr(pos, pn, key->keyidx); - - if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt) { - /* hwaccel - with preallocated room for CCMP header */ - tx->u.tx.control->key_idx = tx->key->hw_key_idx; - return 0; - } - - pos += CCMP_HDR_LEN; - ccmp_special_blocks(skb, pn, b_0, aad, 0); - ieee80211_aes_ccm_encrypt(key->u.ccmp.aes_state, b_0, aad, pos, len, - pos, skb_put(skb, CCMP_MIC_LEN)); - - return 0; -} - - -ieee80211_txrx_result -ieee80211_tx_h_ccmp_encrypt(struct ieee80211_txrx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - struct ieee80211_key *key = tx->key; - u16 fc; - struct sk_buff *skb = tx->skb; - int test = 0; - - fc = le16_to_cpu(hdr->frame_control); - - if (!key || key->alg != ALG_CCMP || !WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; - -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (tx->sta) { - test = tx->sta->wpa_trigger; - tx->sta->wpa_trigger = 0; - } else { - test = tx->local->wpa_trigger; - tx->local->wpa_trigger = 0; - } - if (test & - (WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG | - WPA_TRIGGER_TX_SKIP_SEQ)) { - printk(KERN_INFO "%s: WPA testing - CCMP TX packet number " - "%s%s%s%s\n", tx->dev->name, - tx->sta ? "[UNICAST]" : "[MULTICAST]", - test & WPA_TRIGGER_TX_REPLAY ? "[REPLAY]" : "", - test & WPA_TRIGGER_TX_REPLAY_FRAG ? - "[REPLAY FRAG]" : "", - test & WPA_TRIGGER_TX_SKIP_SEQ ? "[SKIP SEQ]" : ""); - } -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - - tx->u.tx.control->icv_len = CCMP_MIC_LEN; - tx->u.tx.control->iv_len = CCMP_HDR_LEN; - ieee80211_tx_set_iswep(tx); - - if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt && - !tx->local->hw->wep_include_iv) { - /* hwaccel - with no need for preallocated room for CCMP " - * header or MIC fields */ - tx->u.tx.control->key_idx = tx->key->hw_key_idx; - return TXRX_CONTINUE; - } - - if (ccmp_encrypt_skb(tx, skb, test) < 0) - return TXRX_DROP; - - if (tx->u.tx.extra_frag) { - int i; -#ifdef CONFIG_HOSTAPD_WPA_TESTING - if (test & WPA_TRIGGER_TX_REPLAY_FRAG) - test |= WPA_TRIGGER_TX_REPLAY; -#endif /* CONFIG_HOSTAPD_WPA_TESTING */ - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) - < 0) - return TXRX_DROP; - } - } - - return TXRX_CONTINUE; -} - - -ieee80211_txrx_result -ieee80211_rx_h_ccmp_decrypt(struct ieee80211_txrx_data *rx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; - u16 fc; - int hdrlen; - struct ieee80211_key *key = rx->key; - struct sk_buff *skb = rx->skb; - u8 b_0[AES_BLOCK_LEN], aad[2 * AES_BLOCK_LEN]; - u8 pn[CCMP_PN_LEN]; - int data_len; - - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); - - if (!rx->key || rx->key->alg != ALG_CCMP || - !(rx->fc & WLAN_FC_ISWEP) || - WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA) - return TXRX_CONTINUE; - - data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN; - if (!rx->sta || data_len < 0) - return TXRX_DROP; - - if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && - !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt && - !rx->local->hw->wep_include_iv) - return TXRX_CONTINUE; - - (void) ccmp_hdr2pn(pn, skb->data + hdrlen); - - if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) { -#ifdef CONFIG_IEEE80211_DEBUG - u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue]; - printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from " - MACSTR " (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN " - "%02x%02x%02x%02x%02x%02x)\n", rx->dev->name, - MAC2STR(rx->sta->addr), - pn[0], pn[1], pn[2], pn[3], pn[4], pn[5], - ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]); -#endif /* CONFIG_IEEE80211_DEBUG */ - key->u.ccmp.replays++; - return TXRX_DROP; - } - - if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && - !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt) { - /* hwaccel has already decrypted frame and verified MIC */ - } else { - ccmp_special_blocks(skb, pn, b_0, aad, 1); - - if (ieee80211_aes_ccm_decrypt( - key->u.ccmp.aes_state, b_0, aad, - skb->data + hdrlen + CCMP_HDR_LEN, data_len, - skb->data + skb->len - CCMP_MIC_LEN, - skb->data + hdrlen + CCMP_HDR_LEN)) { - printk(KERN_DEBUG "%s: CCMP decrypt failed for RX " - "frame from " MACSTR "\n", rx->dev->name, - MAC2STR(rx->sta->addr)); - return TXRX_DROP; - } - } - - memcpy(key->u.ccmp.rx_pn[rx->u.rx.queue], pn, CCMP_PN_LEN); - - /* Remove CCMP header and MIC */ - skb_trim(skb, skb->len - CCMP_MIC_LEN); - memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen); - skb_pull(skb, CCMP_HDR_LEN); - - return TXRX_CONTINUE; -} - diff --git a/target/linux/package/ieee80211-dscape/src/wpa.h b/target/linux/package/ieee80211-dscape/src/wpa.h deleted file mode 100644 index 9ad7c0813e..0000000000 --- a/target/linux/package/ieee80211-dscape/src/wpa.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef WPA_H -#define WPA_H - -ieee80211_txrx_result -ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx); -ieee80211_txrx_result -ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx); - -ieee80211_txrx_result -ieee80211_tx_h_tkip_encrypt(struct ieee80211_txrx_data *tx); -ieee80211_txrx_result -ieee80211_rx_h_tkip_decrypt(struct ieee80211_txrx_data *rx); - -ieee80211_txrx_result -ieee80211_tx_h_ccmp_encrypt(struct ieee80211_txrx_data *tx); -ieee80211_txrx_result -ieee80211_rx_h_ccmp_decrypt(struct ieee80211_txrx_data *rx); - -int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da, - u8 *qos_tid, u8 **data, size_t *data_len); - -#endif /* WPA_H */ |