diff options
Diffstat (limited to 'package/uboot-lantiq/patches/200-httpd.patch')
| -rw-r--r-- | package/uboot-lantiq/patches/200-httpd.patch | 6164 |
1 files changed, 0 insertions, 6164 deletions
diff --git a/package/uboot-lantiq/patches/200-httpd.patch b/package/uboot-lantiq/patches/200-httpd.patch deleted file mode 100644 index b0ab3b6afd..0000000000 --- a/package/uboot-lantiq/patches/200-httpd.patch +++ /dev/null @@ -1,6164 +0,0 @@ ---- a/common/cmd_net.c -+++ b/common/cmd_net.c -@@ -43,6 +43,18 @@ U_BOOT_CMD( - "[loadAddress] [[hostIPaddr:]bootfilename]" - ); - -+#if defined(CONFIG_CMD_HTTPD) -+int do_httpd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -+{ -+ return NetLoopHttpd(); -+} -+ -+U_BOOT_CMD( -+ httpd, 1, 1, do_httpd, -+ "httpd\t- start webserver", "" -+); -+#endif -+ - int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) - { - return netboot_common (TFTP, cmdtp, argc, argv); ---- /dev/null -+++ b/include/httpd.h -@@ -0,0 +1,17 @@ -+#ifndef _UIP_HTTPD_H__ -+#define _UIP_HTTPD_H__ -+ -+void HttpdStart (void); -+void HttpdHandler (void); -+ -+/* board specific implementation */ -+extern int do_http_upgrade(const unsigned char *data, const ulong size); -+ -+#define HTTP_PROGRESS_START 0 -+#define HTTP_PROGRESS_TIMEOUT 1 -+#define HTTP_PROGRESS_UPLOAD_READY 2 -+#define HTTP_PROGRESS_UGRADE_READY 3 -+#define HTTP_PROGRESS_UGRADE_FAILED 4 -+extern int do_http_progress(const int state); -+ -+#endif ---- a/include/net.h -+++ b/include/net.h -@@ -383,7 +383,8 @@ extern int NetTimeOffset; /* offset ti - - /* Initialize the network adapter */ - extern int NetLoop(proto_t); -- -+extern int NetLoopHttpd(void); -+extern void NetSendHttpd(void); - /* Shutdown adapters and cleanup */ - extern void NetStop(void); - ---- a/net/Makefile -+++ b/net/Makefile -@@ -26,6 +26,8 @@ include $(TOPDIR)/config.mk - # CFLAGS += -DDEBUG - - LIB = $(obj)libnet.a -+UIPDIR = uip-0.9 -+$(shell mkdir -p $(obj)$(UIPDIR)) - - COBJS-$(CONFIG_CMD_NET) += bootp.o - COBJS-$(CONFIG_CMD_DNS) += dns.o -@@ -36,6 +40,8 @@ COBJS-$(CONFIG_CMD_NET) += rarp.o - COBJS-$(CONFIG_CMD_SNTP) += sntp.o - COBJS-$(CONFIG_CMD_NET) += tftp.o - -+COBJS-$(CONFIG_CMD_HTTPD) += httpd.o $(UIPDIR)/fs.o $(UIPDIR)/httpd.o $(UIPDIR)/uip_arp.o $(UIPDIR)/uip_arch.o $(UIPDIR)/uip.o -+ - COBJS := $(COBJS-y) - SRCS := $(COBJS:.o=.c) - OBJS := $(addprefix $(obj),$(COBJS)) ---- /dev/null -+++ b/net/httpd.c -@@ -0,0 +1,52 @@ -+/* -+ * Copyright 1994, 1995, 2000 Neil Russell. -+ * (See License) -+ * Copyright 2000, 2001 DENX Software Engineering, Wolfgang Denk, wd@denx.de -+ */ -+ -+#include <common.h> -+#include <command.h> -+#include <net.h> -+#include "uip-0.9/uipopt.h" -+#include "uip-0.9/uip.h" -+#include "uip-0.9/uip_arp.h" -+ -+ -+#if defined(CONFIG_CMD_HTTPD) -+ -+#define TIMEOUT 5 -+ -+static int arptimer = 0; -+ -+void -+HttpdHandler (void) -+{ -+ int i; -+ for(i = 0; i < UIP_CONNS; i++) { -+ uip_periodic(i); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ NetSendHttpd(); -+ } -+ } -+ if(++arptimer == 20) { -+ uip_arp_timer(); -+ arptimer = 0; -+ } -+} -+ -+static void -+HttpdTimeout (void) -+{ -+ puts ("T "); -+ NetSetTimeout (TIMEOUT * 1000, HttpdTimeout); -+} -+ -+void -+HttpdStart (void) -+{ -+ uip_init(); -+ httpd_init(); -+} -+ -+#endif ---- a/net/net.c -+++ b/net/net.c -@@ -95,6 +95,19 @@ - #if defined(CONFIG_CMD_DNS) - #include "dns.h" - #endif -+#if defined(CONFIG_CMD_HTTPD) -+#include "httpd.h" -+#include "uip-0.9/uipopt.h" -+#include "uip-0.9/uip.h" -+#include "uip-0.9/uip_arp.h" -+static int https_running = 0; -+int httpd_upload_complete = 0; -+unsigned char *httpd_upload_data = 0; -+extern int upload_running; -+void NetReceiveHttpd(volatile uchar * inpkt, int len); -+void NetSendHttpd(void); -+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); -+#endif - - DECLARE_GLOBAL_DATA_PTR; - -@@ -1308,6 +1321,13 @@ NetReceive(volatile uchar * inpkt, int l - - debug("packet received\n"); - -+#if defined(CONFIG_CMD_HTTPD) -+ if(https_running) { -+ NetReceiveHttpd(inpkt, len); -+ return; -+ } -+#endif -+ - NetRxPacket = inpkt; - NetRxPacketLen = len; - et = (Ethernet_t *)inpkt; -@@ -1922,3 +1942,162 @@ ushort getenv_VLAN(char *var) - { - return (string_to_VLAN(getenv(var))); - } -+ -+#if defined(CONFIG_CMD_HTTPD) -+ -+void -+NetSendHttpd(void) -+{ -+ volatile uchar *tmpbuf = NetTxPacket; -+ int i; -+ -+ for(i = 0; i < 40 + UIP_LLH_LEN; i++) { -+ tmpbuf[i] = uip_buf[i]; -+ } -+ -+ for(; i < uip_len; i++) { -+ tmpbuf[i] = uip_appdata[i - 40 - UIP_LLH_LEN]; -+ } -+ eth_send(NetTxPacket, uip_len); -+} -+ -+#define BUF ((struct uip_eth_hdr *)&uip_buf[0]) -+ -+void -+NetReceiveHttpd(volatile uchar * inpkt, int len) -+{ -+ memcpy(uip_buf, inpkt, len); -+ uip_len = len; -+ if(BUF->type == htons(UIP_ETHTYPE_IP)) { -+ uip_arp_ipin(); -+ uip_input(); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ NetSendHttpd(); -+ } -+ } else if(BUF->type == htons(UIP_ETHTYPE_ARP)) { -+ uip_arp_arpin(); -+ if(uip_len > 0) { -+ NetSendHttpd(); -+ } -+ } -+} -+ -+int -+NetLoopHttpd(void) -+{ -+ unsigned long long tout = 0; -+ bd_t *bd = gd->bd; -+ unsigned short int ip[2]; -+ -+#ifdef CONFIG_NET_MULTI -+ NetRestarted = 0; -+ NetDevExists = 0; -+#endif -+ -+ /* XXX problem with bss workaround */ -+ NetArpWaitPacketMAC = NULL; -+ NetArpWaitTxPacket = NULL; -+ NetArpWaitPacketIP = 0; -+ NetArpWaitReplyIP = 0; -+ NetArpWaitTxPacket = NULL; -+ NetTxPacket = NULL; -+ NetTryCount = 1; -+ -+ if (!NetTxPacket) { -+ int i; -+ /* -+ * Setup packet buffers, aligned correctly. -+ */ -+ NetTxPacket = &PktBuf[0] + (PKTALIGN - 1); -+ NetTxPacket -= (ulong)NetTxPacket % PKTALIGN; -+ for (i = 0; i < PKTBUFSRX; i++) { -+ NetRxPackets[i] = NetTxPacket + (i+1)*PKTSIZE_ALIGN; -+ } -+ } -+ -+ if (!NetArpWaitTxPacket) { -+ NetArpWaitTxPacket = &NetArpWaitPacketBuf[0] + (PKTALIGN - 1); -+ NetArpWaitTxPacket -= (ulong)NetArpWaitTxPacket % PKTALIGN; -+ NetArpWaitTxPacketSize = 0; -+ } -+ -+restart: -+ -+ eth_halt(); -+#ifdef CONFIG_NET_MULTI -+ eth_set_current(); -+#endif -+ if (eth_init(bd) < 0) { -+ eth_halt(); -+ return(-1); -+ } -+ -+#ifdef CONFIG_NET_MULTI -+ memcpy (NetOurEther, eth_get_dev()->enetaddr, 6); -+#else -+ eth_getenv_enetaddr("ethaddr", NetOurEther); -+#endif -+ -+ NetCopyIP(&NetOurIP, &bd->bi_ip_addr); -+ NetOurGatewayIP = getenv_IPaddr ("gatewayip"); -+ NetOurSubnetMask= getenv_IPaddr ("netmask"); -+ NetOurVLAN = getenv_VLAN("vlan"); -+ NetOurNativeVLAN = getenv_VLAN("nvlan"); -+ -+ printf("starting httpd server from server %ld.%ld.%ld.%ld\n", -+ (bd->bi_ip_addr & 0xff000000) >> 24, -+ (bd->bi_ip_addr & 0x00ff0000) >> 16, -+ (bd->bi_ip_addr & 0x0000ff00) >> 8, -+ (bd->bi_ip_addr & 0x000000ff)); -+ -+ HttpdStart(); -+ -+ ip[0] = ((bd->bi_ip_addr & 0xffff0000) >> 16); -+ ip[1] = (bd->bi_ip_addr & 0x0000ffff); -+ uip_sethostaddr(ip); -+ -+ do_http_progress(HTTP_PROGRESS_START); -+ -+ https_running = 1; -+ for (;;) { -+ unsigned long long t1; -+ WATCHDOG_RESET(); -+ if(eth_rx() > 0) { -+ HttpdHandler(); -+ } else { -+ t1 = get_ticks(); -+ if(t1 - tout > 1000) { -+ do_http_progress(HTTP_PROGRESS_TIMEOUT); -+ tout = t1; -+ } -+ } -+ if(!httpd_upload_complete) -+ continue; -+ printf("Bytes transferred = %ld (%lx hex)\n", -+ NetBootFileXferSize, -+ NetBootFileXferSize); -+ eth_halt(); -+ do_http_progress(HTTP_PROGRESS_UPLOAD_READY); -+ if(do_http_upgrade(&httpd_upload_data[0], NetBootFileXferSize) == 0) { -+ do_http_progress(HTTP_PROGRESS_UGRADE_READY); -+ udelay(1000 * 10); -+ do_reset (0,0,0,0); -+ return 0; -+ } -+ break; -+ } -+ https_running = 0; -+ NetBootFileXferSize = 0; -+ httpd_upload_complete = 0; -+ upload_running = 0; -+// free(httpd_upload_data); -+ -+ do_http_progress(HTTP_PROGRESS_UGRADE_FAILED); -+ -+ goto restart; -+ -+ return -1; -+} -+ -+#endif ---- /dev/null -+++ b/net/uip-0.9/Makefile -@@ -0,0 +1,54 @@ -+# Copyright (c) 2001, Adam Dunkels. -+# All rights reserved. -+# -+# Redistribution and use in source and binary forms, with or without -+# modification, are permitted provided that the following conditions -+# are met: -+# 1. Redistributions of source code must retain the above copyright -+# notice, this list of conditions and the following disclaimer. -+# 2. Redistributions in binary form must reproduce the above copyright -+# notice, this list of conditions and the following disclaimer in the -+# documentation and/or other materials provided with the distribution. -+# 3. All advertising materials mentioning features or use of this software -+# must display the following acknowledgement: -+# This product includes software developed by Adam Dunkels. -+# 4. The name of the author may not be used to endorse or promote -+# products derived from this software without specific prior -+# written permission. -+# -+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+# -+# This file is part of the uIP TCP/IP stack. -+# -+# $Id: Makefile,v 1.8.2.2 2003/10/04 22:54:17 adam Exp $ -+# -+ -+CC=gcc -+CFLAGS=-Wall -fpack-struct -DDUMP=0 -+ -+all: uip -+ -+uip: uip.o uip_arch.o tapdev.o httpd.o main.o fs.o uip_arp.o -+ $(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@ -+ -+%.o: %.c -+ $(CC) $(CFLAGS) -c $^ -o $@ -+ -+clean: -+ rm -f *.o *~ *core uip -+ -+ -+ -+ -+ -+ ---- /dev/null -+++ b/net/uip-0.9/fs.c -@@ -0,0 +1,154 @@ -+/** -+ * \addtogroup httpd -+ * @{ -+ */ -+ -+/** -+ * \file -+ * HTTP server read-only file system code. -+ * \author Adam Dunkels <adam@dunkels.com> -+ * -+ * A simple read-only filesystem. -+ */ -+ -+/* -+ * Copyright (c) 2001, Swedish Institute of Computer Science. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. Neither the name of the Institute nor the names of its contributors -+ * may be used to endorse or promote products derived from this software -+ * without specific prior written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. -+ * -+ * This file is part of the lwIP TCP/IP stack. -+ * -+ * Author: Adam Dunkels <adam@sics.se> -+ * -+ * $Id: fs.c,v 1.7.2.3 2003/10/07 13:22:27 adam Exp $ -+ */ -+ -+#include "uip.h" -+#include "httpd.h" -+#include "fs.h" -+#include "fsdata.h" -+ -+#include "fsdata.c" -+ -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+static u16_t count[FS_NUMFILES]; -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+ -+/*-----------------------------------------------------------------------------------*/ -+static u8_t -+fs_strcmp(const char *str1, const char *str2) -+{ -+ u8_t i; -+ i = 0; -+ loop: -+ -+ if(str2[i] == 0 || -+ str1[i] == '\r' || -+ str1[i] == '\n') { -+ return 0; -+ } -+ -+ if(str1[i] != str2[i]) { -+ return 1; -+ } -+ -+ -+ ++i; -+ goto loop; -+} -+/*-----------------------------------------------------------------------------------*/ -+int -+fs_open(const char *name, struct fs_file *file) -+{ -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+ u16_t i = 0; -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+ struct fsdata_file_noconst *f; -+ -+ for(f = (struct fsdata_file_noconst *)FS_ROOT; -+ f != NULL; -+ f = (struct fsdata_file_noconst *)f->next) { -+ -+ if(fs_strcmp(name, f->name) == 0) { -+ file->data = f->data; -+ file->len = f->len; -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+ ++count[i]; -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+ return 1; -+ } -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+ ++i; -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+ -+ } -+ return 0; -+} -+/*-----------------------------------------------------------------------------------*/ -+void -+fs_init(void) -+{ -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+ u16_t i; -+ for(i = 0; i < FS_NUMFILES; i++) { -+ count[i] = 0; -+ } -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+} -+/*-----------------------------------------------------------------------------------*/ -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+u16_t fs_count -+(char *name) -+{ -+ struct fsdata_file_noconst *f; -+ u16_t i; -+ -+ i = 0; -+ for(f = (struct fsdata_file_noconst *)FS_ROOT; -+ f != NULL; -+ f = (struct fsdata_file_noconst *)f->next) { -+ -+ if(fs_strcmp(name, f->name) == 0) { -+ return count[i]; -+ } -+ ++i; -+ } -+ return 0; -+} -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+/*-----------------------------------------------------------------------------------*/ ---- /dev/null -+++ b/net/uip-0.9/fs.h -@@ -0,0 +1,80 @@ -+/** -+ * \addtogroup httpd -+ * @{ -+ */ -+ -+/** -+ * \file -+ * HTTP server read-only file system header file. -+ * \author Adam Dunkels <adam@dunkels.com> -+ */ -+ -+/* -+ * Copyright (c) 2001, Swedish Institute of Computer Science. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. Neither the name of the Institute nor the names of its contributors -+ * may be used to endorse or promote products derived from this software -+ * without specific prior written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. -+ * -+ * This file is part of the lwIP TCP/IP stack. -+ * -+ * Author: Adam Dunkels <adam@sics.se> -+ * -+ * $Id: fs.h,v 1.6.2.3 2003/10/07 13:22:27 adam Exp $ -+ */ -+#ifndef __FS_H__ -+#define __FS_H__ -+ -+#include "uip.h" -+ -+/** -+ * An open file in the read-only file system. -+ */ -+struct fs_file { -+ char *data; /**< The actual file data. */ -+ int len; /**< The length of the file data. */ -+}; -+ -+/** -+ * Open a file in the read-only file system. -+ * -+ * \param name The name of the file. -+ * -+ * \param file The file pointer, which must be allocated by caller and -+ * will be filled in by the function. -+ */ -+int fs_open(const char *name, struct fs_file *file); -+ -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+u16_t fs_count(char *name); -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+ -+/** -+ * Initialize the read-only file system. -+ */ -+void fs_init(void); -+ -+#endif /* __FS_H__ */ ---- /dev/null -+++ b/net/uip-0.9/fsdata.c -@@ -0,0 +1,199 @@ -+static const char data_flashing_html[] = { -+ /* /flashing.html */ -+ 0x2f, 0x66, 0x6c, 0x61, 0x73, 0x68, 0x69, 0x6e, 0x67, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0, -+ 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, -+ 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, -+ 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x30, -+ 0x2e, 0x39, 0x20, 0x28, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, -+ 0x2f, 0x64, 0x75, 0x6e, 0x6b, 0x65, 0x6c, 0x73, 0x2e, 0x63, -+ 0x6f, 0x6d, 0x2f, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, -+ 0x70, 0x2f, 0x29, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x74, 0x65, -+ 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, -+ 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0xd, 0xa, -+ 0xd, 0xa, 0x3c, 0x68, 0x74, 0x6d, 0x6c, 0x3e, 0x3c, 0x62, -+ 0x6f, 0x64, 0x79, 0x20, 0x73, 0x74, 0x79, 0x6c, 0x65, 0x3d, -+ 0x22, 0x6d, 0x61, 0x72, 0x67, 0x69, 0x6e, 0x3a, 0x20, 0x30, -+ 0x70, 0x74, 0x20, 0x61, 0x75, 0x74, 0x6f, 0x3b, 0x20, 0x68, -+ 0x65, 0x69, 0x67, 0x68, 0x74, 0x3a, 0x31, 0x30, 0x30, 0x25, -+ 0x3b, 0x20, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x3a, 0x20, 0x23, -+ 0x66, 0x66, 0x66, 0x3b, 0x20, 0x62, 0x61, 0x63, 0x6b, 0x67, -+ 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x2d, 0x63, 0x6f, 0x6c, 0x6f, -+ 0x72, 0x3a, 0x20, 0x23, 0x66, 0x62, 0x62, 0x30, 0x33, 0x34, -+ 0x3b, 0x22, 0x3e, 0x3c, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, -+ 0x3e, 0x3c, 0x68, 0x31, 0x3e, 0x55, 0x70, 0x67, 0x72, 0x61, -+ 0x64, 0x69, 0x6e, 0x67, 0x20, 0x73, 0x79, 0x73, 0x74, 0x65, -+ 0x6d, 0x20, 0x2e, 0x2e, 0x2e, 0x2e, 0x3c, 0x2f, 0x68, 0x31, -+ 0x3e, 0x3c, 0x2f, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, 0x3e, -+ 0x3c, 0x2f, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x3c, 0x2f, 0x68, -+ 0x74, 0x6d, 0x6c, 0x3e, 0xa, }; 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-+ -+static const char data_404_html[] = { -+ /* /404.html */ -+ 0x2f, 0x34, 0x30, 0x34, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0, -+ 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x34, -+ 0x30, 0x34, 0x20, 0x46, 0x69, 0x6c, 0x65, 0x20, 0x6e, 0x6f, -+ 0x74, 0x20, 0x66, 0x6f, 0x75, 0x6e, 0x64, 0xd, 0xa, 0x53, -+ 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, -+ 0x2f, 0x30, 0x2e, 0x39, 0x20, 0x28, 0x68, 0x74, 0x74, 0x70, -+ 0x3a, 0x2f, 0x2f, 0x64, 0x75, 0x6e, 0x6b, 0x65, 0x6c, 0x73, -+ 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x61, 0x64, 0x61, 0x6d, 0x2f, -+ 0x75, 0x69, 0x70, 0x2f, 0x29, 0xd, 0xa, 0x43, 0x6f, 0x6e, -+ 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, -+ 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, -+ 0xd, 0xa, 0xd, 0xa, 0x3c, 0x68, 0x74, 0x6d, 0x6c, 0x3e, -+ 0x3c, 0x62, 0x6f, 0x64, 0x79, 0x20, 0x62, 0x67, 0x63, 0x6f, -+ 0x6c, 0x6f, 0x72, 0x3d, 0x22, 0x77, 0x68, 0x69, 0x74, 0x65, -+ 0x22, 0x3e, 0x3c, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, 0x3e, -+ 0x3c, 0x68, 0x31, 0x3e, 0x34, 0x30, 0x34, 0x20, 0x2d, 0x20, -+ 0x66, 0x69, 0x6c, 0x65, 0x20, 0x6e, 0x6f, 0x74, 0x20, 0x66, -+ 0x6f, 0x75, 0x6e, 0x64, 0x3c, 0x2f, 0x68, 0x31, 0x3e, 0x3c, -+ 0x2f, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, 0x3e, 0x3c, 0x2f, -+ 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x3c, 0x2f, 0x68, 0x74, 0x6d, -+ 0x6c, 0x3e, }; -+ -+static const char data_index_html[] = { -+ /* /index.html */ -+ 0x2f, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0, -+ 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, -+ 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, -+ 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x30, -+ 0x2e, 0x39, 0x20, 0x28, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, -+ 0x2f, 0x64, 0x75, 0x6e, 0x6b, 0x65, 0x6c, 0x73, 0x2e, 0x63, -+ 0x6f, 0x6d, 0x2f, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, -+ 0x70, 0x2f, 0x29, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x74, 0x65, -+ 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, -+ 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0xd, 0xa, -+ 0xd, 0xa, 0x3c, 0x68, 0x74, 0x6d, 0x6c, 0x3e, 0xa, 0x9, -+ 0x3c, 0x68, 0x65, 0x61, 0x64, 0x3e, 0xa, 0x9, 0x9, 0x3c, -+ 0x74, 0x69, 0x74, 0x6c, 0x65, 0x3e, 0xa, 0x9, 0x9, 0x9, -+ 0x4c, 0x61, 0x46, 0x6f, 0x6e, 0x65, 0x72, 0x61, 0x20, 0x46, -+ 0x61, 0x69, 0x6c, 0x73, 0x61, 0x66, 0x65, 0x20, 0x55, 0x49, -+ 0xa, 0x9, 0x9, 0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65, -+ 0x3e, 0xa, 0x9, 0x3c, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x3e, -+ 0xa, 0x9, 0x3c, 0x62, 0x6f, 0x64, 0x79, 0x20, 0x73, 0x74, -+ 0x79, 0x6c, 0x65, 0x3d, 0x22, 0x6d, 0x61, 0x72, 0x67, 0x69, -+ 0x6e, 0x3a, 0x20, 0x30, 0x70, 0x74, 0x20, 0x61, 0x75, 0x74, -+ 0x6f, 0x3b, 0x20, 0x68, 0x65, 0x69, 0x67, 0x68, 0x74, 0x3a, -+ 0x31, 0x30, 0x30, 0x25, 0x3b, 0x20, 0x63, 0x6f, 0x6c, 0x6f, -+ 0x72, 0x3a, 0x20, 0x23, 0x30, 0x30, 0x30, 0x3b, 0x20, 0x62, -+ 0x61, 0x63, 0x6b, 0x67, 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x2d, -+ 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x3a, 0x20, 0x23, 0x66, 0x62, -+ 0x62, 0x30, 0x33, 0x34, 0x3b, 0x22, 0x3e, 0xa, 0x9, 0x9, -+ 0x3c, 0x68, 0x31, 0x3e, 0x4c, 0x61, 0x46, 0x6f, 0x6e, 0x65, -+ 0x72, 0x61, 0x20, 0x46, 0x61, 0x69, 0x6c, 0x73, 0x61, 0x66, -+ 0x65, 0x20, 0x55, 0x49, 0x3c, 0x2f, 0x68, 0x31, 0x3e, 0xa, -+ 0x9, 0x9, 0x3c, 0x66, 0x6f, 0x72, 0x6d, 0x20, 0x6d, 0x65, -+ 0x74, 0x68, 0x6f, 0x64, 0x3d, 0x22, 0x70, 0x6f, 0x73, 0x74, -+ 0x22, 0x20, 0x65, 0x6e, 0x63, 0x74, 0x79, 0x70, 0x65, 0x3d, -+ 0x22, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x61, 0x72, 0x74, -+ 0x2f, 0x66, 0x6f, 0x72, 0x6d, 0x2d, 0x64, 0x61, 0x74, 0x61, -+ 0x22, 0x3e, 0xa, 0x9, 0x9, 0x9, 0x3c, 0x69, 0x6e, 0x70, -+ 0x75, 0x74, 0x20, 0x74, 0x79, 0x70, 0x65, 0x3d, 0x66, 0x69, -+ 0x6c, 0x65, 0x20, 0x6e, 0x61, 0x6d, 0x65, 0x3d, 0x66, 0x69, -+ 0x72, 0x6d, 0x77, 0x61, 0x72, 0x65, 0x3e, 0xa, 0x9, 0x9, -+ 0x9, 0x3c, 0x69, 0x6e, 0x70, 0x75, 0x74, 0x20, 0x74, 0x79, -+ 0x70, 0x65, 0x3d, 0x73, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x3e, -+ 0xa, 0x9, 0x9, 0x3c, 0x2f, 0x66, 0x6f, 0x72, 0x6d, 0x3e, -+ 0xa, 0x9, 0x3c, 0x2f, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0xa, -+ 0x3c, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0x3e, 0xa, }; -+ -+static const char data_flash_html[] = { -+ /* /flash.html */ -+ 0x2f, 0x66, 0x6c, 0x61, 0x73, 0x68, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0, -+ 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, -+ 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, -+ 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x30, -+ 0x2e, 0x39, 0x20, 0x28, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, -+ 0x2f, 0x64, 0x75, 0x6e, 0x6b, 0x65, 0x6c, 0x73, 0x2e, 0x63, -+ 0x6f, 0x6d, 0x2f, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, -+ 0x70, 0x2f, 0x29, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x74, 0x65, -+ 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, -+ 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0xd, 0xa, -+ 0xd, 0xa, 0x3c, 0x68, 0x74, 0x6d, 0x6c, 0x3e, 0xa, 0x9, -+ 0x3c, 0x68, 0x65, 0x61, 0x64, 0x3e, 0xa, 0x9, 0x9, 0x3c, -+ 0x74, 0x69, 0x74, 0x6c, 0x65, 0x3e, 0xa, 0x9, 0x9, 0x9, -+ 0x4c, 0x61, 0x46, 0x6f, 0x6e, 0x65, 0x72, 0x61, 0x20, 0x46, -+ 0x61, 0x69, 0x6c, 0x73, 0x61, 0x66, 0x65, 0x20, 0x55, 0x49, -+ 0xa, 0x9, 0x9, 0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65, -+ 0x3e, 0xa, 0x9, 0x3c, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x3e, -+ 0xa, 0x9, 0x3c, 0x62, 0x6f, 0x64, 0x79, 0x20, 0x73, 0x74, -+ 0x79, 0x6c, 0x65, 0x3d, 0x22, 0x6d, 0x61, 0x72, 0x67, 0x69, -+ 0x6e, 0x3a, 0x20, 0x30, 0x70, 0x74, 0x20, 0x61, 0x75, 0x74, -+ 0x6f, 0x3b, 0x20, 0x68, 0x65, 0x69, 0x67, 0x68, 0x74, 0x3a, -+ 0x31, 0x30, 0x30, 0x25, 0x3b, 0x20, 0x63, 0x6f, 0x6c, 0x6f, -+ 0x72, 0x3a, 0x20, 0x23, 0x30, 0x30, 0x30, 0x3b, 0x20, 0x62, -+ 0x61, 0x63, 0x6b, 0x67, 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x2d, -+ 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x3a, 0x20, 0x23, 0x66, 0x62, -+ 0x62, 0x30, 0x33, 0x34, 0x3b, 0x22, 0x3e, 0xa, 0x9, 0x9, -+ 0x3c, 0x68, 0x31, 0x3e, 0x46, 0x6c, 0x61, 0x73, 0x68, 0x69, -+ 0x6e, 0x67, 0x3c, 0x2f, 0x68, 0x31, 0x3e, 0xa, 0x9, 0x9, -+ 0x54, 0x68, 0x65, 0x20, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, -+ 0x20, 0x69, 0x73, 0x20, 0x6e, 0x6f, 0x77, 0x20, 0x74, 0x72, -+ 0x79, 0x69, 0x6e, 0x67, 0x20, 0x74, 0x6f, 0x20, 0x66, 0x6c, -+ 0x61, 0x73, 0x68, 0x2e, 0x20, 0x49, 0x66, 0x20, 0x74, 0x68, -+ 0x65, 0x72, 0x65, 0x20, 0x69, 0x73, 0x20, 0x61, 0x20, 0x70, -+ 0x72, 0x6f, 0x62, 0x6c, 0x65, 0x6d, 0x2c, 0x20, 0x74, 0x68, -+ 0x65, 0x20, 0x6c, 0x65, 0x64, 0x73, 0x20, 0x77, 0x69, 0x6c, -+ 0x6c, 0x20, 0x73, 0x74, 0x61, 0x72, 0x74, 0x20, 0x74, 0x6f, -+ 0x20, 0x62, 0x6c, 0x69, 0x6e, 0x6b, 0x2e, 0xa, 0xa, 0x9, -+ 0x9, 0x41, 0x66, 0x74, 0x65, 0x72, 0x20, 0x61, 0x20, 0x73, -+ 0x75, 0x63, 0x63, 0x65, 0x73, 0x73, 0x66, 0x75, 0x6c, 0x6c, -+ 0x20, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x20, 0x74, 0x68, -+ 0x65, 0x20, 0x62, 0x6f, 0x78, 0x20, 0x77, 0x69, 0x6c, 0x6c, -+ 0x20, 0x72, 0x65, 0x62, 0x6f, 0x6f, 0x74, 0xa, 0x9, 0x3c, -+ 0x2f, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0xa, 0x3c, 0x2f, 0x68, -+ 0x74, 0x6d, 0x6c, 0x3e, 0xa, }; -+ -+const struct fsdata_file file_flashing_html[] = {{NULL, data_flashing_html, data_flashing_html + 15, sizeof(data_flashing_html) - 15}}; -+ -+const struct fsdata_file file_fail_html[] = {{file_flashing_html, data_fail_html, data_fail_html + 11, sizeof(data_fail_html) - 11}}; -+ -+const struct fsdata_file file_404_html[] = {{file_fail_html, data_404_html, data_404_html + 10, sizeof(data_404_html) - 10}}; -+ -+const struct fsdata_file file_index_html[] = {{file_404_html, data_index_html, data_index_html + 12, sizeof(data_index_html) - 12}}; -+ -+const struct fsdata_file file_flash_html[] = {{file_index_html, data_flash_html, data_flash_html + 12, sizeof(data_flash_html) - 12}}; -+ -+#define FS_ROOT file_flash_html -+ -+#define FS_NUMFILES 5 -\ No newline at end of file ---- /dev/null -+++ b/net/uip-0.9/fsdata.h -@@ -0,0 +1,64 @@ -+/* -+ * Copyright (c) 2001, Swedish Institute of Computer Science. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. Neither the name of the Institute nor the names of its contributors -+ * may be used to endorse or promote products derived from this software -+ * without specific prior written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. -+ * -+ * This file is part of the lwIP TCP/IP stack. -+ * -+ * Author: Adam Dunkels <adam@sics.se> -+ * -+ * $Id: fsdata.h,v 1.4.2.1 2003/10/04 22:54:06 adam Exp $ -+ */ -+#ifndef __FSDATA_H__ -+#define __FSDATA_H__ -+ -+#include "uipopt.h" -+ -+struct fsdata_file { -+ const struct fsdata_file *next; -+ const char *name; -+ const char *data; -+ const int len; -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+ u16_t count; -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+}; -+ -+struct fsdata_file_noconst { -+ struct fsdata_file *next; -+ char *name; -+ char *data; -+ int len; -+#ifdef FS_STATISTICS -+#if FS_STATISTICS == 1 -+ u16_t count; -+#endif /* FS_STATISTICS */ -+#endif /* FS_STATISTICS */ -+}; -+ -+#endif /* __FSDATA_H__ */ ---- /dev/null -+++ b/net/uip-0.9/httpd.c -@@ -0,0 +1,278 @@ -+#include "uip.h" -+#include "httpd.h" -+#include "fs.h" -+#include "fsdata.h" -+#include <asm/addrspace.h> -+ -+#define HTTP_NONE 0 -+#define HTTP_FILE 1 -+#define HTTP_FIRMWARE 2 -+ -+#define PRINT(x) printf("%s", x) -+#define PRINTLN(x) printf("%s\n", x) -+ -+extern unsigned long do_http_tmp_address(void); -+ -+struct httpd_state *hs; -+ -+extern const struct fsdata_file file_index_html; -+extern const struct fsdata_file file_404_html; -+extern const struct fsdata_file file_flash_html; -+extern int httpd_upload_complete; -+extern unsigned char *httpd_upload_data; -+unsigned char *upload_data; -+extern ulong NetBootFileXferSize; -+int upload_running = 0; -+ -+#define ISO_G 0x47 -+#define ISO_E 0x45 -+#define ISO_T 0x54 -+#define ISO_P 0x50 -+#define ISO_O 0x4f -+#define ISO_S 0x53 -+#define ISO_T 0x54 -+#define ISO_slash 0x2f -+#define ISO_c 0x63 -+#define ISO_g 0x67 -+#define ISO_i 0x69 -+#define ISO_space 0x20 -+#define ISO_nl 0x0a -+#define ISO_cr 0x0d -+#define ISO_a 0x61 -+#define ISO_t 0x74 -+#define ISO_hash 0x23 -+#define ISO_period 0x2e -+ -+static char eol[3] = { 0x0d, 0x0a, 0x00 }; -+static char eol2[5] = { 0x0d, 0x0a, 0x0d, 0x0a, 0x00 }; -+static char boundary[128]; -+static int boundary_len = 0; -+ -+/* we use this so that we can do without the ctype library */ -+#define is_digit(c) ((c) >= '0' && (c) <= '9') -+static int atoi(const char *s) -+{ -+ int i=0; -+ -+ while (is_digit(*s)) -+ i = i*10 + *(s++) - '0'; -+ return i; -+} -+ -+void -+httpd_init(void) -+{ -+ fs_init(); -+ uip_listen(HTONS(80)); -+} -+ -+void -+httpd_appcall(void) -+{ -+ struct fs_file fsfile; -+ u8_t i; -+ switch(uip_conn->lport) { -+ case HTONS(80): -+ hs = (struct httpd_state *)(uip_conn->appstate); -+ if(uip_connected()) -+ { -+ hs->state = HTTP_NONE; -+ hs->count = 0; -+ return; -+ } else if(uip_poll()) -+ { -+ if(hs->count++ >= 1000) { -+ uip_abort(); -+ } -+ return; -+ } else if(uip_newdata() && hs->state == HTTP_NONE) -+ { -+ if(uip_appdata[0] == ISO_G && -+ uip_appdata[1] == ISO_E && -+ uip_appdata[2] == ISO_T && -+ uip_appdata[3] == ISO_space) -+ { -+ hs->state = HTTP_FILE; -+ } -+ if(uip_appdata[0] == ISO_P && -+ uip_appdata[1] == ISO_O && -+ uip_appdata[2] == ISO_S && -+ uip_appdata[3] == ISO_T && -+ uip_appdata[4] == ISO_space) -+ { -+ hs->state = HTTP_FIRMWARE; -+ } -+ if(hs->state == HTTP_NONE) -+ { -+ uip_abort(); -+ return; -+ } -+ if(hs->state == HTTP_FILE) -+ { -+ for(i = 4; i < 40; ++i) -+ { -+ if(uip_appdata[i] == ISO_space || -+ uip_appdata[i] == ISO_cr || -+ uip_appdata[i] == ISO_nl) -+ { -+ uip_appdata[i] = 0; -+ break; -+ } -+ } -+ -+ PRINT("request for file "); -+ PRINTLN(&uip_appdata[4]); -+ if(uip_appdata[4] == ISO_slash && -+ uip_appdata[5] == 0) -+ { -+ fs_open(file_index_html.name, &fsfile); -+ } else { -+ if(!fs_open((const char *)&uip_appdata[4], &fsfile)) -+ { -+ PRINTLN("couldn't open file"); -+ fs_open(file_index_html.name, &fsfile); -+ } -+ } -+ hs->script = 0; -+ hs->state = HTTP_FILE; -+ hs->dataptr = fsfile.data; -+ hs->count = fsfile.len; -+ } -+ if(hs->state == HTTP_FIRMWARE) -+ { -+ unsigned char *start = (unsigned char*)uip_appdata; -+ char *clen = strstr(start, "Content-Length:"); -+ int len = 0; -+ unsigned char *next, *end; -+ unsigned char *boundary_start; -+ int i; -+ uip_appdata[uip_len] = '\0'; -+ if(clen) -+ { -+ clen += sizeof("Content-Length:"); -+ next = strstr(clen, eol); -+ if(next) -+ { -+ len = atoi(clen); -+ next++; -+ printf("expecting %d bytes\n", len); -+ upload_data = httpd_upload_data = (unsigned char *)do_http_tmp_address(); -+ printf("received data will be stored at 0x%08X\n", upload_data); -+ if(!upload_data) -+ { -+ printf("failed to allocate memory\n"); -+ uip_close(); -+ return; -+ } -+ } else { -+ uip_close(); -+ return; -+ } -+ } -+ if(len < 4 * 1024) -+ { -+ uip_close(); -+ return; -+ } -+ boundary_start = strstr(next, "---"); -+ if(!boundary_start) -+ { -+ uip_close(); -+ return; -+ } -+ end = strstr(boundary_start, eol); -+ if(!eol) -+ { -+ uip_close(); -+ return; -+ } -+ boundary_len = end - boundary_start; -+ memcpy(boundary, boundary_start, boundary_len); -+ boundary[boundary_len] = 0; -+ next = strstr(boundary_start, "name=\"firmware\";"); -+ if(!next) -+ { -+ uip_close(); -+ return; -+ } -+ next = strstr(next, eol2); -+ if(!next) -+ { -+ printf("could not find start of data\n"); -+ uip_close(); -+ return; -+ } -+ next += 4; -+ hs->script = 0; -+ hs->state = HTTP_FIRMWARE; -+ hs->upload = uip_len - (next - start); -+ hs->upload_total = len - (int)(next - boundary_start); -+ hs->upload_total -= (strlen(boundary) + 6); -+ //printf("storing %d bytes at %p\n", (int)hs->upload, upload_data); -+ for(i = 0; i < hs->upload; i++) -+ upload_data[i] = next[i]; -+ upload_data += (int)hs->upload; -+ printf("%d / %d\n", (int)hs->upload, hs->upload_total); -+ uip_slen = 0; -+ return; -+ } -+ } -+ -+ if(hs->state == HTTP_FIRMWARE) -+ { -+ if(uip_newdata()) -+ { -+ int i; -+ hs->count = 0; -+ uip_appdata[uip_len] = '\0'; -+ hs->upload += uip_len; -+ //printf("storing %d bytes at %p\n", uip_len, upload_data); -+ printf("%d / %d\n", (int)hs->upload, hs->upload_total); -+ for(i = 0; i < uip_len; i++) -+ upload_data[i] = uip_appdata[i]; -+ upload_data += uip_len; -+ uip_slen = 0; -+ if(hs->upload >= hs->upload_total) -+ { -+ upload_running = 1; -+ NetBootFileXferSize = hs->upload_total; -+ fs_open(file_flash_html.name, &fsfile); -+ hs->script = 0; -+ hs->state = HTTP_FILE; -+ hs->dataptr = fsfile.data; -+ hs->count = fsfile.len; -+ } -+ } -+ } -+ if(hs->state == HTTP_FILE) -+ { -+ if(uip_acked()) -+ { -+ if(hs->count >= uip_conn->len) -+ { -+ hs->count -= uip_conn->len; -+ hs->dataptr += uip_conn->len; -+ } else { -+ hs->count = 0; -+ } -+ if(hs->count == 0) -+ { -+ if(upload_running) -+ { -+ int i; -+ httpd_upload_complete = 1; -+ // for(i = 0; i < hs->upload_total; i++) -+ // printf("%c", httpd_upload_data[i]); -+ } -+ uip_close(); -+ } -+ } -+ uip_send(hs->dataptr, hs->count); -+ } -+ break; -+ -+ default: -+ uip_abort(); -+ break; -+ } -+} ---- /dev/null -+++ b/net/uip-0.9/httpd.h -@@ -0,0 +1,83 @@ -+/** -+ * \addtogroup httpd -+ * @{ -+ */ -+ -+/** -+ * \file -+ * HTTP server header file. -+ * \author Adam Dunkels <adam@dunkels.com> -+ */ -+ -+/* -+ * Copyright (c) 2001, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: httpd.h,v 1.4.2.3 2003/10/06 22:56:44 adam Exp $ -+ * -+ */ -+ -+#ifndef __HTTPD_H__ -+#define __HTTPD_H__ -+ -+void httpd_init(void); -+void httpd_appcall(void); -+ -+/* UIP_APPCALL: the name of the application function. This function -+ must return void and take no arguments (i.e., C type "void -+ appfunc(void)"). */ -+#ifndef UIP_APPCALL -+#define UIP_APPCALL httpd_appcall -+#endif -+ -+struct httpd_state { -+ u8_t state; -+ u16_t count; -+ char *dataptr; -+ char *script; -+ unsigned int upload; -+ unsigned int upload_total; -+}; -+ -+ -+/* UIP_APPSTATE_SIZE: The size of the application-specific state -+ stored in the uip_conn structure. */ -+#ifndef UIP_APPSTATE_SIZE -+#define UIP_APPSTATE_SIZE (sizeof(struct httpd_state)) -+#endif -+ -+#define FS_STATISTICS 1 -+ -+extern struct httpd_state *hs; -+ -+ -+/* we copy the data to RAM+10MB */ -+#define TMP_DATA 0x8A100000 -+ -+#endif /* __HTTPD_H__ */ ---- /dev/null -+++ b/net/uip-0.9/main.c -@@ -0,0 +1,88 @@ -+/* -+ * Copyright (c) 2001-2003, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: main.c,v 1.10.2.1 2003/10/04 22:54:17 adam Exp $ -+ * -+ */ -+ -+ -+#include "uip.h" -+#include "uip_arp.h" -+#include "tapdev.h" -+#include "httpd.h" -+ -+#define BUF ((struct uip_eth_hdr *)&uip_buf[0]) -+ -+#ifndef NULL -+#define NULL (void *)0 -+#endif /* NULL */ -+ -+/*-----------------------------------------------------------------------------------*/ -+int -+main(void) -+{ -+ u8_t i, arptimer; -+ tapdev_init(); -+ uip_init(); -+ httpd_init(); -+ arptimer = 0; -+ while(1) { -+ uip_len = tapdev_read(); -+ if(uip_len == 0) { -+ for(i = 0; i < UIP_CONNS; i++) { -+ uip_periodic(i); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ tapdev_send(); -+ } -+ } -+ -+ if(++arptimer == 20) { -+ uip_arp_timer(); -+ arptimer = 0; -+ } -+ } else { -+ if(BUF->type == htons(UIP_ETHTYPE_IP)) { -+ uip_arp_ipin(); -+ uip_input(); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ tapdev_send(); -+ } -+ } else if(BUF->type == htons(UIP_ETHTYPE_ARP)) { -+ uip_arp_arpin(); -+ if(uip_len > 0) { -+ tapdev_send(); -+ } -+ } -+ } -+ } -+ return 0; -+} ---- /dev/null -+++ b/net/uip-0.9/tapdev.c -@@ -0,0 +1,192 @@ -+/* -+ * Copyright (c) 2001, Swedish Institute of Computer Science. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * -+ * 3. Neither the name of the Institute nor the names of its contributors -+ * may be used to endorse or promote products derived from this software -+ * without specific prior written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. -+ * -+ * Author: Adam Dunkels <adam@sics.se> -+ * -+ * $Id: tapdev.c,v 1.7.2.1 2003/10/07 13:23:19 adam Exp $ -+ */ -+ -+ -+#include <fcntl.h> -+#include <stdlib.h> -+#include <stdio.h> -+#include <unistd.h> -+#include <string.h> -+#include <sys/ioctl.h> -+#include <sys/socket.h> -+#include <sys/types.h> -+#include <sys/time.h> -+#include <sys/uio.h> -+#include <sys/socket.h> -+ -+#ifdef linux -+#include <sys/ioctl.h> -+#include <linux/if.h> -+#include <linux/if_tun.h> -+#define DEVTAP "/dev/net/tun" -+#else /* linux */ -+#define DEVTAP "/dev/tap0" -+#endif /* linux */ -+ -+#include "uip.h" -+ -+static int fd; -+ -+static unsigned long lasttime; -+static struct timezone tz; -+ -+/*-----------------------------------------------------------------------------------*/ -+void -+tapdev_init(void) -+{ -+ char buf[1024]; -+ -+ fd = open(DEVTAP, O_RDWR); -+ if(fd == -1) { -+ perror("tapdev: tapdev_init: open"); -+ exit(1); -+ } -+ -+#ifdef linux -+ { -+ struct ifreq ifr; -+ memset(&ifr, 0, sizeof(ifr)); -+ ifr.ifr_flags = IFF_TAP|IFF_NO_PI; -+ if (ioctl(fd, TUNSETIFF, (void *) &ifr) < 0) { -+ perror(buf); -+ exit(1); -+ } -+ } -+#endif /* Linux */ -+ -+ snprintf(buf, sizeof(buf), "ifconfig tap0 inet %d.%d.%d.%d", -+ UIP_DRIPADDR0, UIP_DRIPADDR1, UIP_DRIPADDR2, UIP_DRIPADDR3); -+ system(buf); -+ -+ lasttime = 0; -+} -+ -+void dump_mem(int type, int len) -+{ -+#if DUMP == 1 -+ int i; -+ for(i = 0; i < len; i++) -+ printf("%c", uip_buf[i]); -+ if(type) -+ { -+ printf("\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"); -+ printf("\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"); -+ } else { -+ printf("\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02"); -+ printf("\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02\02"); -+ } -+ fflush(stdout); -+#endif -+} -+ -+/*-----------------------------------------------------------------------------------*/ -+unsigned int -+tapdev_read(void) -+{ -+ fd_set fdset; -+ struct timeval tv, now; -+ int ret; -+ -+ if(lasttime >= 500000) { -+ lasttime = 0; -+ return 0; -+ } -+ -+ tv.tv_sec = 0; -+ tv.tv_usec = 500000 - lasttime; -+ -+ -+ FD_ZERO(&fdset); -+ FD_SET(fd, &fdset); -+ -+ gettimeofday(&now, &tz); -+ ret = select(fd + 1, &fdset, NULL, NULL, &tv); -+ if(ret == 0) { -+ lasttime = 0; -+ return 0; -+ } -+ ret = read(fd, uip_buf, UIP_BUFSIZE); -+ if(ret == -1) { -+ perror("tap_dev: tapdev_read: read"); -+ } -+ gettimeofday(&tv, &tz); -+ lasttime += (tv.tv_sec - now.tv_sec) * 1000000 + (tv.tv_usec - now.tv_usec); -+ dump_mem(0, ret); -+ return ret; -+} -+/*-----------------------------------------------------------------------------------*/ -+void -+tapdev_send(void) -+{ -+ int ret; -+ struct iovec iov[2]; -+ -+#ifdef linux -+ { -+ char tmpbuf[UIP_BUFSIZE]; -+ int i; -+ -+ for(i = 0; i < 40 + UIP_LLH_LEN; i++) { -+ tmpbuf[i] = uip_buf[i]; -+ } -+ -+ for(; i < uip_len; i++) { -+ tmpbuf[i] = uip_appdata[i - 40 - UIP_LLH_LEN]; -+ } -+ -+ ret = write(fd, tmpbuf, uip_len); -+ } -+#else -+ -+ if(uip_len < 40 + UIP_LLH_LEN) { -+ ret = write(fd, uip_buf, uip_len + UIP_LLH_LEN); -+ } else { -+ iov[0].iov_base = uip_buf; -+ iov[0].iov_len = 40 + UIP_LLH_LEN; -+ iov[1].iov_base = (char *)uip_appdata; -+ iov[1].iov_len = uip_len - (40 + UIP_LLH_LEN); -+ -+ ret = writev(fd, iov, 2); -+ } -+#endif -+ dump_mem(1, ret); -+ -+ if(ret == -1) { -+ perror("tap_dev: tapdev_send: writev"); -+ exit(1); -+ } -+} -+/*-----------------------------------------------------------------------------------*/ ---- /dev/null -+++ b/net/uip-0.9/tapdev.h -@@ -0,0 +1,42 @@ -+/* -+ * Copyright (c) 2001, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: tapdev.h,v 1.1.2.1 2003/10/04 22:54:17 adam Exp $ -+ * -+ */ -+ -+#ifndef __TAPDEV_H__ -+#define __TAPDEV_H__ -+ -+void tapdev_init(void); -+unsigned int tapdev_read(void); -+void tapdev_send(void); -+ -+#endif /* __TAPDEV_H__ */ ---- /dev/null -+++ b/net/uip-0.9/uip.c -@@ -0,0 +1,1503 @@ -+/** -+ * \addtogroup uip -+ * @{ -+ */ -+ -+/** -+ * \file -+ * The uIP TCP/IP stack code. -+ * \author Adam Dunkels <adam@dunkels.com> -+ */ -+ -+/* -+ * Copyright (c) 2001-2003, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uip.c,v 1.62.2.10 2003/10/07 13:23:01 adam Exp $ -+ * -+ */ -+ -+/* -+This is a small implementation of the IP and TCP protocols (as well as -+some basic ICMP stuff). The implementation couples the IP, TCP and the -+application layers very tightly. To keep the size of the compiled code -+down, this code also features heavy usage of the goto statement. -+ -+The principle is that we have a small buffer, called the uip_buf, in -+which the device driver puts an incoming packet. The TCP/IP stack -+parses the headers in the packet, and calls upon the application. If -+the remote host has sent data to the application, this data is present -+in the uip_buf and the application read the data from there. It is up -+to the application to put this data into a byte stream if needed. The -+application will not be fed with data that is out of sequence. -+ -+If the application whishes to send data to the peer, it should put its -+data into the uip_buf, 40 bytes from the start of the buffer. The -+TCP/IP stack will calculate the checksums, and fill in the necessary -+header fields and finally send the packet back to the peer. -+*/ -+ -+#include "uip.h" -+#include "uipopt.h" -+#include "uip_arch.h" -+ -+/*-----------------------------------------------------------------------------------*/ -+/* Variable definitions. */ -+ -+ -+/* The IP address of this host. If it is defined to be fixed (by setting UIP_FIXEDADDR to 1 in uipopt.h), the address is set here. Otherwise, the address */ -+#if UIP_FIXEDADDR > 0 -+const unsigned short int uip_hostaddr[2] = -+ {HTONS((UIP_IPADDR0 << 8) | UIP_IPADDR1), -+ HTONS((UIP_IPADDR2 << 8) | UIP_IPADDR3)}; -+const unsigned short int uip_arp_draddr[2] = -+ {HTONS((UIP_DRIPADDR0 << 8) | UIP_DRIPADDR1), -+ HTONS((UIP_DRIPADDR2 << 8) | UIP_DRIPADDR3)}; -+const unsigned short int uip_arp_netmask[2] = -+ {HTONS((UIP_NETMASK0 << 8) | UIP_NETMASK1), -+ HTONS((UIP_NETMASK2 << 8) | UIP_NETMASK3)}; -+#else -+unsigned short int uip_hostaddr[2]; -+unsigned short int uip_arp_draddr[2], uip_arp_netmask[2]; -+#endif /* UIP_FIXEDADDR */ -+ -+u8_t uip_buf[UIP_BUFSIZE+2]; /* The packet buffer that contains -+ incoming packets. */ -+volatile u8_t *uip_appdata; /* The uip_appdata pointer points to -+ application data. */ -+volatile u8_t *uip_sappdata; /* The uip_appdata pointer points to the -+ application data which is to be sent. */ -+#if UIP_URGDATA > 0 -+volatile u8_t *uip_urgdata; /* The uip_urgdata pointer points to -+ urgent data (out-of-band data), if -+ present. */ -+volatile u8_t uip_urglen, uip_surglen; -+#endif /* UIP_URGDATA > 0 */ -+ -+volatile unsigned short int uip_len, uip_slen; -+ /* The uip_len is either 8 or 16 bits, -+ depending on the maximum packet -+ size. */ -+ -+volatile u8_t uip_flags; /* The uip_flags variable is used for -+ communication between the TCP/IP stack -+ and the application program. */ -+struct uip_conn *uip_conn; /* uip_conn always points to the current -+ connection. */ -+ -+struct uip_conn uip_conns[UIP_CONNS]; -+ /* The uip_conns array holds all TCP -+ connections. */ -+unsigned short int uip_listenports[UIP_LISTENPORTS]; -+ /* The uip_listenports list all currently -+ listning ports. */ -+#if UIP_UDP -+struct uip_udp_conn *uip_udp_conn; -+struct uip_udp_conn uip_udp_conns[UIP_UDP_CONNS]; -+#endif /* UIP_UDP */ -+ -+ -+static unsigned short int ipid; /* Ths ipid variable is an increasing -+ number that is used for the IP ID -+ field. */ -+ -+static u8_t iss[4]; /* The iss variable is used for the TCP -+ initial sequence number. */ -+ -+#if UIP_ACTIVE_OPEN -+static unsigned short int lastport; /* Keeps track of the last port used for -+ a new connection. */ -+#endif /* UIP_ACTIVE_OPEN */ -+ -+/* Temporary variables. */ -+volatile u8_t uip_acc32[4]; -+static u8_t c, opt; -+static unsigned short int tmp16; -+ -+/* Structures and definitions. */ -+#define TCP_FIN 0x01 -+#define TCP_SYN 0x02 -+#define TCP_RST 0x04 -+#define TCP_PSH 0x08 -+#define TCP_ACK 0x10 -+#define TCP_URG 0x20 -+#define TCP_CTL 0x3f -+ -+#define ICMP_ECHO_REPLY 0 -+#define ICMP_ECHO 8 -+ -+/* Macros. */ -+#define BUF ((uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN]) -+#define FBUF ((uip_tcpip_hdr *)&uip_reassbuf[0]) -+#define ICMPBUF ((uip_icmpip_hdr *)&uip_buf[UIP_LLH_LEN]) -+#define UDPBUF ((uip_udpip_hdr *)&uip_buf[UIP_LLH_LEN]) -+ -+#if UIP_STATISTICS == 1 -+struct uip_stats uip_stat; -+#define UIP_STAT(s) s -+#else -+#define UIP_STAT(s) -+#endif /* UIP_STATISTICS == 1 */ -+ -+#if UIP_LOGGING == 1 -+extern void puts(const char *s); -+#define UIP_LOG(m) puts(m) -+#else -+#define UIP_LOG(m) -+#endif /* UIP_LOGGING == 1 */ -+ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_init(void) -+{ -+ for(c = 0; c < UIP_LISTENPORTS; ++c) { -+ uip_listenports[c] = 0; -+ } -+ for(c = 0; c < UIP_CONNS; ++c) { -+ uip_conns[c].tcpstateflags = CLOSED; -+ } -+#if UIP_ACTIVE_OPEN -+ lastport = 1024; -+#endif /* UIP_ACTIVE_OPEN */ -+ -+#if UIP_UDP -+ for(c = 0; c < UIP_UDP_CONNS; ++c) { -+ uip_udp_conns[c].lport = 0; -+ } -+#endif /* UIP_UDP */ -+ -+ -+ /* IPv4 initialization. */ -+#if UIP_FIXEDADDR == 0 -+ uip_hostaddr[0] = uip_hostaddr[1] = 0; -+#endif /* UIP_FIXEDADDR */ -+ -+} -+/*-----------------------------------------------------------------------------------*/ -+#if UIP_ACTIVE_OPEN -+struct uip_conn * -+uip_connect(unsigned short int *ripaddr, unsigned short int rport) -+{ -+ register struct uip_conn *conn, *cconn; -+ -+ /* Find an unused local port. */ -+ again: -+ ++lastport; -+ -+ if(lastport >= 32000) { -+ lastport = 4096; -+ } -+ -+ /* Check if this port is already in use, and if so try to find -+ another one. */ -+ for(c = 0; c < UIP_CONNS; ++c) { -+ conn = &uip_conns[c]; -+ if(conn->tcpstateflags != CLOSED && -+ conn->lport == htons(lastport)) { -+ goto again; -+ } -+ } -+ -+ -+ conn = 0; -+ for(c = 0; c < UIP_CONNS; ++c) { -+ cconn = &uip_conns[c]; -+ if(cconn->tcpstateflags == CLOSED) { -+ conn = cconn; -+ break; -+ } -+ if(cconn->tcpstateflags == TIME_WAIT) { -+ if(conn == 0 || -+ cconn->timer > uip_conn->timer) { -+ conn = cconn; -+ } -+ } -+ } -+ -+ if(conn == 0) { -+ return 0; -+ } -+ -+ conn->tcpstateflags = SYN_SENT; -+ -+ conn->snd_nxt[0] = iss[0]; -+ conn->snd_nxt[1] = iss[1]; -+ conn->snd_nxt[2] = iss[2]; -+ conn->snd_nxt[3] = iss[3]; -+ -+ conn->initialmss = conn->mss = UIP_TCP_MSS; -+ -+ conn->len = 1; /* TCP length of the SYN is one. */ -+ conn->nrtx = 0; -+ conn->timer = 1; /* Send the SYN next time around. */ -+ conn->rto = UIP_RTO; -+ conn->sa = 0; -+ conn->sv = 16; -+ conn->lport = htons(lastport); -+ conn->rport = rport; -+ conn->ripaddr[0] = ripaddr[0]; -+ conn->ripaddr[1] = ripaddr[1]; -+ -+ return conn; -+} -+#endif /* UIP_ACTIVE_OPEN */ -+/*-----------------------------------------------------------------------------------*/ -+#if UIP_UDP -+struct uip_udp_conn * -+uip_udp_new(unsigned short int *ripaddr, unsigned short int rport) -+{ -+ register struct uip_udp_conn *conn; -+ -+ /* Find an unused local port. */ -+ again: -+ ++lastport; -+ -+ if(lastport >= 32000) { -+ lastport = 4096; -+ } -+ -+ for(c = 0; c < UIP_UDP_CONNS; ++c) { -+ if(uip_udp_conns[c].lport == lastport) { -+ goto again; -+ } -+ } -+ -+ -+ conn = 0; -+ for(c = 0; c < UIP_UDP_CONNS; ++c) { -+ if(uip_udp_conns[c].lport == 0) { -+ conn = &uip_udp_conns[c]; -+ break; -+ } -+ } -+ -+ if(conn == 0) { -+ return 0; -+ } -+ -+ conn->lport = HTONS(lastport); -+ conn->rport = HTONS(rport); -+ conn->ripaddr[0] = ripaddr[0]; -+ conn->ripaddr[1] = ripaddr[1]; -+ -+ return conn; -+} -+#endif /* UIP_UDP */ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_unlisten(unsigned short int port) -+{ -+ for(c = 0; c < UIP_LISTENPORTS; ++c) { -+ if(uip_listenports[c] == port) { -+ uip_listenports[c] = 0; -+ return; -+ } -+ } -+} -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_listen(unsigned short int port) -+{ -+ for(c = 0; c < UIP_LISTENPORTS; ++c) { -+ if(uip_listenports[c] == 0) { -+ uip_listenports[c] = port; -+ return; -+ } -+ } -+} -+/*-----------------------------------------------------------------------------------*/ -+/* XXX: IP fragment reassembly: not well-tested. */ -+ -+#if UIP_REASSEMBLY -+#define UIP_REASS_BUFSIZE (UIP_BUFSIZE - UIP_LLH_LEN) -+static u8_t uip_reassbuf[UIP_REASS_BUFSIZE]; -+static u8_t uip_reassbitmap[UIP_REASS_BUFSIZE / (8 * 8)]; -+static const u8_t bitmap_bits[8] = {0xff, 0x7f, 0x3f, 0x1f, -+ 0x0f, 0x07, 0x03, 0x01}; -+static unsigned short int uip_reasslen; -+static u8_t uip_reassflags; -+#define UIP_REASS_FLAG_LASTFRAG 0x01 -+static u8_t uip_reasstmr; -+ -+#define IP_HLEN 20 -+#define IP_MF 0x20 -+ -+static u8_t -+uip_reass(void) -+{ -+ unsigned short int offset, len; -+ unsigned short int i; -+ -+ /* If ip_reasstmr is zero, no packet is present in the buffer, so we -+ write the IP header of the fragment into the reassembly -+ buffer. The timer is updated with the maximum age. */ -+ if(uip_reasstmr == 0) { -+ memcpy(uip_reassbuf, &BUF->vhl, IP_HLEN); -+ uip_reasstmr = UIP_REASS_MAXAGE; -+ uip_reassflags = 0; -+ /* Clear the bitmap. */ -+ memset(uip_reassbitmap, sizeof(uip_reassbitmap), 0); -+ } -+ -+ /* Check if the incoming fragment matches the one currently present -+ in the reasembly buffer. If so, we proceed with copying the -+ fragment into the buffer. */ -+ if(BUF->srcipaddr[0] == FBUF->srcipaddr[0] && -+ BUF->srcipaddr[1] == FBUF->srcipaddr[1] && -+ BUF->destipaddr[0] == FBUF->destipaddr[0] && -+ BUF->destipaddr[1] == FBUF->destipaddr[1] && -+ BUF->ipid[0] == FBUF->ipid[0] && -+ BUF->ipid[1] == FBUF->ipid[1]) { -+ -+ len = (BUF->len[0] << 8) + BUF->len[1] - (BUF->vhl & 0x0f) * 4; -+ offset = (((BUF->ipoffset[0] & 0x3f) << 8) + BUF->ipoffset[1]) * 8; -+ -+ /* If the offset or the offset + fragment length overflows the -+ reassembly buffer, we discard the entire packet. */ -+ if(offset > UIP_REASS_BUFSIZE || -+ offset + len > UIP_REASS_BUFSIZE) { -+ uip_reasstmr = 0; -+ goto nullreturn; -+ } -+ -+ /* Copy the fragment into the reassembly buffer, at the right -+ offset. */ -+ memcpy(&uip_reassbuf[IP_HLEN + offset], -+ (char *)BUF + (int)((BUF->vhl & 0x0f) * 4), -+ len); -+ -+ /* Update the bitmap. */ -+ if(offset / (8 * 8) == (offset + len) / (8 * 8)) { -+ /* If the two endpoints are in the same byte, we only update -+ that byte. */ -+ -+ uip_reassbitmap[offset / (8 * 8)] |= -+ bitmap_bits[(offset / 8 ) & 7] & -+ ~bitmap_bits[((offset + len) / 8 ) & 7]; -+ } else { -+ /* If the two endpoints are in different bytes, we update the -+ bytes in the endpoints and fill the stuff inbetween with -+ 0xff. */ -+ uip_reassbitmap[offset / (8 * 8)] |= -+ bitmap_bits[(offset / 8 ) & 7]; -+ for(i = 1 + offset / (8 * 8); i < (offset + len) / (8 * 8); ++i) { -+ uip_reassbitmap[i] = 0xff; -+ } -+ uip_reassbitmap[(offset + len) / (8 * 8)] |= -+ ~bitmap_bits[((offset + len) / 8 ) & 7]; -+ } -+ -+ /* If this fragment has the More Fragments flag set to zero, we -+ know that this is the last fragment, so we can calculate the -+ size of the entire packet. We also set the -+ IP_REASS_FLAG_LASTFRAG flag to indicate that we have received -+ the final fragment. */ -+ -+ if((BUF->ipoffset[0] & IP_MF) == 0) { -+ uip_reassflags |= UIP_REASS_FLAG_LASTFRAG; -+ uip_reasslen = offset + len; -+ } -+ -+ /* Finally, we check if we have a full packet in the buffer. We do -+ this by checking if we have the last fragment and if all bits -+ in the bitmap are set. */ -+ if(uip_reassflags & UIP_REASS_FLAG_LASTFRAG) { -+ /* Check all bytes up to and including all but the last byte in -+ the bitmap. */ -+ for(i = 0; i < uip_reasslen / (8 * 8) - 1; ++i) { -+ if(uip_reassbitmap[i] != 0xff) { -+ goto nullreturn; -+ } -+ } -+ /* Check the last byte in the bitmap. It should contain just the -+ right amount of bits. */ -+ if(uip_reassbitmap[uip_reasslen / (8 * 8)] != -+ (u8_t)~bitmap_bits[uip_reasslen / 8 & 7]) { -+ goto nullreturn; -+ } -+ -+ /* If we have come this far, we have a full packet in the -+ buffer, so we allocate a pbuf and copy the packet into it. We -+ also reset the timer. */ -+ uip_reasstmr = 0; -+ memcpy(BUF, FBUF, uip_reasslen); -+ -+ /* Pretend to be a "normal" (i.e., not fragmented) IP packet -+ from now on. */ -+ BUF->ipoffset[0] = BUF->ipoffset[1] = 0; -+ BUF->len[0] = uip_reasslen >> 8; -+ BUF->len[1] = uip_reasslen & 0xff; -+ BUF->ipchksum = 0; -+ BUF->ipchksum = ~(uip_ipchksum()); -+ -+ return uip_reasslen; -+ } -+ } -+ -+ nullreturn: -+ return 0; -+} -+#endif /* UIP_REASSEMBL */ -+/*-----------------------------------------------------------------------------------*/ -+static void -+uip_add_rcv_nxt(unsigned short int n) -+{ -+ uip_add32(uip_conn->rcv_nxt, n); -+ uip_conn->rcv_nxt[0] = uip_acc32[0]; -+ uip_conn->rcv_nxt[1] = uip_acc32[1]; -+ uip_conn->rcv_nxt[2] = uip_acc32[2]; -+ uip_conn->rcv_nxt[3] = uip_acc32[3]; -+} -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_process(u8_t flag) -+{ -+ register struct uip_conn *uip_connr = uip_conn; -+ -+ uip_appdata = &uip_buf[40 + UIP_LLH_LEN]; -+ -+ -+ /* Check if we were invoked because of the perodic timer fireing. */ -+ if(flag == UIP_TIMER) { -+#if UIP_REASSEMBLY -+ if(uip_reasstmr != 0) { -+ --uip_reasstmr; -+ } -+#endif /* UIP_REASSEMBLY */ -+ /* Increase the initial sequence number. */ -+ if(++iss[3] == 0) { -+ if(++iss[2] == 0) { -+ if(++iss[1] == 0) { -+ ++iss[0]; -+ } -+ } -+ } -+ uip_len = 0; -+ if(uip_connr->tcpstateflags == TIME_WAIT || -+ uip_connr->tcpstateflags == FIN_WAIT_2) { -+ ++(uip_connr->timer); -+ if(uip_connr->timer == UIP_TIME_WAIT_TIMEOUT) { -+ uip_connr->tcpstateflags = CLOSED; -+ } -+ } else if(uip_connr->tcpstateflags != CLOSED) { -+ /* If the connection has outstanding data, we increase the -+ connection's timer and see if it has reached the RTO value -+ in which case we retransmit. */ -+ if(uip_outstanding(uip_connr)) { -+ if(uip_connr->timer-- == 0) { -+ if(uip_connr->nrtx == UIP_MAXRTX || -+ ((uip_connr->tcpstateflags == SYN_SENT || -+ uip_connr->tcpstateflags == SYN_RCVD) && -+ uip_connr->nrtx == UIP_MAXSYNRTX)) { -+ uip_connr->tcpstateflags = CLOSED; -+ -+ /* We call UIP_APPCALL() with uip_flags set to -+ UIP_TIMEDOUT to inform the application that the -+ connection has timed out. */ -+ uip_flags = UIP_TIMEDOUT; -+ UIP_APPCALL(); -+ -+ /* We also send a reset packet to the remote host. */ -+ BUF->flags = TCP_RST | TCP_ACK; -+ goto tcp_send_nodata; -+ } -+ -+ /* Exponential backoff. */ -+ uip_connr->timer = UIP_RTO << (uip_connr->nrtx > 4? -+ 4: -+ uip_connr->nrtx); -+ ++(uip_connr->nrtx); -+ -+ /* Ok, so we need to retransmit. We do this differently -+ depending on which state we are in. In ESTABLISHED, we -+ call upon the application so that it may prepare the -+ data for the retransmit. In SYN_RCVD, we resend the -+ SYNACK that we sent earlier and in LAST_ACK we have to -+ retransmit our FINACK. */ -+ UIP_STAT(++uip_stat.tcp.rexmit); -+ switch(uip_connr->tcpstateflags & TS_MASK) { -+ case SYN_RCVD: -+ /* In the SYN_RCVD state, we should retransmit our -+ SYNACK. */ -+ goto tcp_send_synack; -+ -+#if UIP_ACTIVE_OPEN -+ case SYN_SENT: -+ /* In the SYN_SENT state, we retransmit out SYN. */ -+ BUF->flags = 0; -+ goto tcp_send_syn; -+#endif /* UIP_ACTIVE_OPEN */ -+ -+ case ESTABLISHED: -+ /* In the ESTABLISHED state, we call upon the application -+ to do the actual retransmit after which we jump into -+ the code for sending out the packet (the apprexmit -+ label). */ -+ uip_len = 0; -+ uip_slen = 0; -+ uip_flags = UIP_REXMIT; -+ UIP_APPCALL(); -+ goto apprexmit; -+ -+ case FIN_WAIT_1: -+ case CLOSING: -+ case LAST_ACK: -+ /* In all these states we should retransmit a FINACK. */ -+ goto tcp_send_finack; -+ -+ } -+ } -+ } else if((uip_connr->tcpstateflags & TS_MASK) == ESTABLISHED) { -+ /* If there was no need for a retransmission, we poll the -+ application for new data. */ -+ uip_len = 0; -+ uip_slen = 0; -+ uip_flags = UIP_POLL; -+ UIP_APPCALL(); -+ goto appsend; -+ } -+ } -+ goto drop; -+ } -+#if UIP_UDP -+ if(flag == UIP_UDP_TIMER) { -+ if(uip_udp_conn->lport != 0) { -+ uip_appdata = &uip_buf[UIP_LLH_LEN + 28]; -+ uip_len = uip_slen = 0; -+ uip_flags = UIP_POLL; -+ UIP_UDP_APPCALL(); -+ goto udp_send; -+ } else { -+ goto drop; -+ } -+ } -+#endif -+ -+ /* This is where the input processing starts. */ -+ UIP_STAT(++uip_stat.ip.recv); -+ -+ -+ /* Start of IPv4 input header processing code. */ -+ -+ /* Check validity of the IP header. */ -+ if(BUF->vhl != 0x45) { /* IP version and header length. */ -+ UIP_STAT(++uip_stat.ip.drop); -+ UIP_STAT(++uip_stat.ip.vhlerr); -+ UIP_LOG("ip: invalid version or header length."); -+ goto drop; -+ } -+ -+ /* Check the size of the packet. If the size reported to us in -+ uip_len doesn't match the size reported in the IP header, there -+ has been a transmission error and we drop the packet. */ -+ -+ if(BUF->len[0] != (uip_len >> 8)) { /* IP length, high byte. */ -+ uip_len = (uip_len & 0xff) | (BUF->len[0] << 8); -+ } -+ if(BUF->len[1] != (uip_len & 0xff)) { /* IP length, low byte. */ -+ uip_len = (uip_len & 0xff00) | BUF->len[1]; -+ } -+ -+ /* Check the fragment flag. */ -+ if((BUF->ipoffset[0] & 0x3f) != 0 || -+ BUF->ipoffset[1] != 0) { -+#if UIP_REASSEMBLY -+ uip_len = uip_reass(); -+ if(uip_len == 0) { -+ goto drop; -+ } -+#else -+ UIP_STAT(++uip_stat.ip.drop); -+ UIP_STAT(++uip_stat.ip.fragerr); -+ UIP_LOG("ip: fragment dropped."); -+ goto drop; -+#endif /* UIP_REASSEMBLY */ -+ } -+ -+ /* If we are configured to use ping IP address configuration and -+ hasn't been assigned an IP address yet, we accept all ICMP -+ packets. */ -+#if UIP_PINGADDRCONF -+ if((uip_hostaddr[0] | uip_hostaddr[1]) == 0) { -+ if(BUF->proto == UIP_PROTO_ICMP) { -+ UIP_LOG("ip: possible ping config packet received."); -+ goto icmp_input; -+ } else { -+ UIP_LOG("ip: packet dropped since no address assigned."); -+ goto drop; -+ } -+ } -+#endif /* UIP_PINGADDRCONF */ -+ -+ /* Check if the packet is destined for our IP address. */ -+ if(BUF->destipaddr[0] != uip_hostaddr[0]) { -+ UIP_STAT(++uip_stat.ip.drop); -+ UIP_LOG("ip: packet not for us."); -+ goto drop; -+ } -+ if(BUF->destipaddr[1] != uip_hostaddr[1]) { -+ UIP_STAT(++uip_stat.ip.drop); -+ UIP_LOG("ip: packet not for us."); -+ goto drop; -+ } -+ -+ if(uip_ipchksum() != 0xffff) { /* Compute and check the IP header -+ checksum. */ -+ UIP_STAT(++uip_stat.ip.drop); -+ UIP_STAT(++uip_stat.ip.chkerr); -+ UIP_LOG("ip: bad checksum."); -+ goto drop; -+ } -+ -+ if(BUF->proto == UIP_PROTO_TCP) /* Check for TCP packet. If so, jump -+ to the tcp_input label. */ -+ goto tcp_input; -+ -+#if UIP_UDP -+ if(BUF->proto == UIP_PROTO_UDP) -+ goto udp_input; -+#endif /* UIP_UDP */ -+ -+ if(BUF->proto != UIP_PROTO_ICMP) { /* We only allow ICMP packets from -+ here. */ -+ UIP_STAT(++uip_stat.ip.drop); -+ UIP_STAT(++uip_stat.ip.protoerr); -+ UIP_LOG("ip: neither tcp nor icmp."); -+ goto drop; -+ } -+ -+ //icmp_input: -+ UIP_STAT(++uip_stat.icmp.recv); -+ -+ /* ICMP echo (i.e., ping) processing. This is simple, we only change -+ the ICMP type from ECHO to ECHO_REPLY and adjust the ICMP -+ checksum before we return the packet. */ -+ if(ICMPBUF->type != ICMP_ECHO) { -+ UIP_STAT(++uip_stat.icmp.drop); -+ UIP_STAT(++uip_stat.icmp.typeerr); -+ UIP_LOG("icmp: not icmp echo."); -+ goto drop; -+ } -+ -+ /* If we are configured to use ping IP address assignment, we use -+ the destination IP address of this ping packet and assign it to -+ ourself. */ -+#if UIP_PINGADDRCONF -+ if((uip_hostaddr[0] | uip_hostaddr[1]) == 0) { -+ uip_hostaddr[0] = BUF->destipaddr[0]; -+ uip_hostaddr[1] = BUF->destipaddr[1]; -+ } -+#endif /* UIP_PINGADDRCONF */ -+ -+ ICMPBUF->type = ICMP_ECHO_REPLY; -+ -+ if(ICMPBUF->icmpchksum >= HTONS(0xffff - (ICMP_ECHO << 8))) { -+ ICMPBUF->icmpchksum += HTONS(ICMP_ECHO << 8) + 1; -+ } else { -+ ICMPBUF->icmpchksum += HTONS(ICMP_ECHO << 8); -+ } -+ -+ /* Swap IP addresses. */ -+ tmp16 = BUF->destipaddr[0]; -+ BUF->destipaddr[0] = BUF->srcipaddr[0]; -+ BUF->srcipaddr[0] = tmp16; -+ tmp16 = BUF->destipaddr[1]; -+ BUF->destipaddr[1] = BUF->srcipaddr[1]; -+ BUF->srcipaddr[1] = tmp16; -+ -+ UIP_STAT(++uip_stat.icmp.sent); -+ goto send; -+ -+ /* End of IPv4 input header processing code. */ -+ -+ -+#if UIP_UDP -+ /* UDP input processing. */ -+ udp_input: -+ /* UDP processing is really just a hack. We don't do anything to the -+ UDP/IP headers, but let the UDP application do all the hard -+ work. If the application sets uip_slen, it has a packet to -+ send. */ -+#if UIP_UDP_CHECKSUMS -+ if(uip_udpchksum() != 0xffff) { -+ UIP_STAT(++uip_stat.udp.drop); -+ UIP_STAT(++uip_stat.udp.chkerr); -+ UIP_LOG("udp: bad checksum."); -+ goto drop; -+ } -+#endif /* UIP_UDP_CHECKSUMS */ -+ -+ /* Demultiplex this UDP packet between the UDP "connections". */ -+ for(uip_udp_conn = &uip_udp_conns[0]; -+ uip_udp_conn < &uip_udp_conns[UIP_UDP_CONNS]; -+ ++uip_udp_conn) { -+ if(uip_udp_conn->lport != 0 && -+ UDPBUF->destport == uip_udp_conn->lport && -+ (uip_udp_conn->rport == 0 || -+ UDPBUF->srcport == uip_udp_conn->rport) && -+ BUF->srcipaddr[0] == uip_udp_conn->ripaddr[0] && -+ BUF->srcipaddr[1] == uip_udp_conn->ripaddr[1]) { -+ goto udp_found; -+ } -+ } -+ goto drop; -+ -+ udp_found: -+ uip_len = uip_len - 28; -+ uip_appdata = &uip_buf[UIP_LLH_LEN + 28]; -+ uip_flags = UIP_NEWDATA; -+ uip_slen = 0; -+ UIP_UDP_APPCALL(); -+ udp_send: -+ if(uip_slen == 0) { -+ goto drop; -+ } -+ uip_len = uip_slen + 28; -+ -+ BUF->len[0] = (uip_len >> 8); -+ BUF->len[1] = (uip_len & 0xff); -+ -+ BUF->proto = UIP_PROTO_UDP; -+ -+ UDPBUF->udplen = HTONS(uip_slen + 8); -+ UDPBUF->udpchksum = 0; -+#if UIP_UDP_CHECKSUMS -+ /* Calculate UDP checksum. */ -+ UDPBUF->udpchksum = ~(uip_udpchksum()); -+ if(UDPBUF->udpchksum == 0) { -+ UDPBUF->udpchksum = 0xffff; -+ } -+#endif /* UIP_UDP_CHECKSUMS */ -+ -+ BUF->srcport = uip_udp_conn->lport; -+ BUF->destport = uip_udp_conn->rport; -+ -+ BUF->srcipaddr[0] = uip_hostaddr[0]; -+ BUF->srcipaddr[1] = uip_hostaddr[1]; -+ BUF->destipaddr[0] = uip_udp_conn->ripaddr[0]; -+ BUF->destipaddr[1] = uip_udp_conn->ripaddr[1]; -+ -+ uip_appdata = &uip_buf[UIP_LLH_LEN + 40]; -+ goto ip_send_nolen; -+#endif /* UIP_UDP */ -+ -+ /* TCP input processing. */ -+ tcp_input: -+ UIP_STAT(++uip_stat.tcp.recv); -+ -+ /* Start of TCP input header processing code. */ -+ -+ if(uip_tcpchksum() != 0xffff) { /* Compute and check the TCP -+ checksum. */ -+ UIP_STAT(++uip_stat.tcp.drop); -+ UIP_STAT(++uip_stat.tcp.chkerr); -+ UIP_LOG("tcp: bad checksum."); -+ goto drop; -+ } -+ -+ /* Demultiplex this segment. */ -+ /* First check any active connections. */ -+ for(uip_connr = &uip_conns[0]; uip_connr < &uip_conns[UIP_CONNS]; ++uip_connr) { -+ if(uip_connr->tcpstateflags != CLOSED && -+ BUF->destport == uip_connr->lport && -+ BUF->srcport == uip_connr->rport && -+ BUF->srcipaddr[0] == uip_connr->ripaddr[0] && -+ BUF->srcipaddr[1] == uip_connr->ripaddr[1]) { -+ goto found; -+ } -+ } -+ -+ /* If we didn't find and active connection that expected the packet, -+ either this packet is an old duplicate, or this is a SYN packet -+ destined for a connection in LISTEN. If the SYN flag isn't set, -+ it is an old packet and we send a RST. */ -+ if((BUF->flags & TCP_CTL) != TCP_SYN) -+ goto reset; -+ -+ tmp16 = BUF->destport; -+ /* Next, check listening connections. */ -+ for(c = 0; c < UIP_LISTENPORTS; ++c) { -+ if(tmp16 == uip_listenports[c]) -+ goto found_listen; -+ } -+ -+ /* No matching connection found, so we send a RST packet. */ -+ UIP_STAT(++uip_stat.tcp.synrst); -+ reset: -+ -+ /* We do not send resets in response to resets. */ -+ if(BUF->flags & TCP_RST) -+ goto drop; -+ -+ UIP_STAT(++uip_stat.tcp.rst); -+ -+ BUF->flags = TCP_RST | TCP_ACK; -+ uip_len = 40; -+ BUF->tcpoffset = 5 << 4; -+ -+ /* Flip the seqno and ackno fields in the TCP header. */ -+ c = BUF->seqno[3]; -+ BUF->seqno[3] = BUF->ackno[3]; -+ BUF->ackno[3] = c; -+ -+ c = BUF->seqno[2]; -+ BUF->seqno[2] = BUF->ackno[2]; -+ BUF->ackno[2] = c; -+ -+ c = BUF->seqno[1]; -+ BUF->seqno[1] = BUF->ackno[1]; -+ BUF->ackno[1] = c; -+ -+ c = BUF->seqno[0]; -+ BUF->seqno[0] = BUF->ackno[0]; -+ BUF->ackno[0] = c; -+ -+ /* We also have to increase the sequence number we are -+ acknowledging. If the least significant byte overflowed, we need -+ to propagate the carry to the other bytes as well. */ -+ if(++BUF->ackno[3] == 0) { -+ if(++BUF->ackno[2] == 0) { -+ if(++BUF->ackno[1] == 0) { -+ ++BUF->ackno[0]; -+ } -+ } -+ } -+ -+ /* Swap port numbers. */ -+ tmp16 = BUF->srcport; -+ BUF->srcport = BUF->destport; -+ BUF->destport = tmp16; -+ -+ /* Swap IP addresses. */ -+ tmp16 = BUF->destipaddr[0]; -+ BUF->destipaddr[0] = BUF->srcipaddr[0]; -+ BUF->srcipaddr[0] = tmp16; -+ tmp16 = BUF->destipaddr[1]; -+ BUF->destipaddr[1] = BUF->srcipaddr[1]; -+ BUF->srcipaddr[1] = tmp16; -+ -+ -+ /* And send out the RST packet! */ -+ goto tcp_send_noconn; -+ -+ /* This label will be jumped to if we matched the incoming packet -+ with a connection in LISTEN. In that case, we should create a new -+ connection and send a SYNACK in return. */ -+ found_listen: -+ /* First we check if there are any connections avaliable. Unused -+ connections are kept in the same table as used connections, but -+ unused ones have the tcpstate set to CLOSED. Also, connections in -+ TIME_WAIT are kept track of and we'll use the oldest one if no -+ CLOSED connections are found. Thanks to Eddie C. Dost for a very -+ nice algorithm for the TIME_WAIT search. */ -+ uip_connr = 0; -+ for(c = 0; c < UIP_CONNS; ++c) { -+ if(uip_conns[c].tcpstateflags == CLOSED) { -+ uip_connr = &uip_conns[c]; -+ break; -+ } -+ if(uip_conns[c].tcpstateflags == TIME_WAIT) { -+ if(uip_connr == 0 || -+ uip_conns[c].timer > uip_connr->timer) { -+ uip_connr = &uip_conns[c]; -+ } -+ } -+ } -+ -+ if(uip_connr == 0) { -+ /* All connections are used already, we drop packet and hope that -+ the remote end will retransmit the packet at a time when we -+ have more spare connections. */ -+ UIP_STAT(++uip_stat.tcp.syndrop); -+ UIP_LOG("tcp: found no unused connections."); -+ goto drop; -+ } -+ uip_conn = uip_connr; -+ -+ /* Fill in the necessary fields for the new connection. */ -+ uip_connr->rto = uip_connr->timer = UIP_RTO; -+ uip_connr->sa = 0; -+ uip_connr->sv = 4; -+ uip_connr->nrtx = 0; -+ uip_connr->lport = BUF->destport; -+ uip_connr->rport = BUF->srcport; -+ uip_connr->ripaddr[0] = BUF->srcipaddr[0]; -+ uip_connr->ripaddr[1] = BUF->srcipaddr[1]; -+ uip_connr->tcpstateflags = SYN_RCVD; -+ -+ uip_connr->snd_nxt[0] = iss[0]; -+ uip_connr->snd_nxt[1] = iss[1]; -+ uip_connr->snd_nxt[2] = iss[2]; -+ uip_connr->snd_nxt[3] = iss[3]; -+ uip_connr->len = 1; -+ -+ /* rcv_nxt should be the seqno from the incoming packet + 1. */ -+ uip_connr->rcv_nxt[3] = BUF->seqno[3]; -+ uip_connr->rcv_nxt[2] = BUF->seqno[2]; -+ uip_connr->rcv_nxt[1] = BUF->seqno[1]; -+ uip_connr->rcv_nxt[0] = BUF->seqno[0]; -+ uip_add_rcv_nxt(1); -+ -+ /* Parse the TCP MSS option, if present. */ -+ if((BUF->tcpoffset & 0xf0) > 0x50) { -+ for(c = 0; c < ((BUF->tcpoffset >> 4) - 5) << 2 ;) { -+ opt = uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + c]; -+ if(opt == 0x00) { -+ /* End of options. */ -+ break; -+ } else if(opt == 0x01) { -+ ++c; -+ /* NOP option. */ -+ } else if(opt == 0x02 && -+ uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 1 + c] == 0x04) { -+ /* An MSS option with the right option length. */ -+ tmp16 = ((unsigned short int)uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 2 + c] << 8) | -+ (unsigned short int)uip_buf[40 + UIP_LLH_LEN + 3 + c]; -+ uip_connr->initialmss = uip_connr->mss = -+ tmp16 > UIP_TCP_MSS? UIP_TCP_MSS: tmp16; -+ -+ /* And we are done processing options. */ -+ break; -+ } else { -+ /* All other options have a length field, so that we easily -+ can skip past them. */ -+ if(uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 1 + c] == 0) { -+ /* If the length field is zero, the options are malformed -+ and we don't process them further. */ -+ break; -+ } -+ c += uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 1 + c]; -+ } -+ } -+ } -+ -+ /* Our response will be a SYNACK. */ -+#if UIP_ACTIVE_OPEN -+ tcp_send_synack: -+ BUF->flags = TCP_ACK; -+ -+ tcp_send_syn: -+ BUF->flags |= TCP_SYN; -+#else /* UIP_ACTIVE_OPEN */ -+ tcp_send_synack: -+ BUF->flags = TCP_SYN | TCP_ACK; -+#endif /* UIP_ACTIVE_OPEN */ -+ -+ /* We send out the TCP Maximum Segment Size option with our -+ SYNACK. */ -+ BUF->optdata[0] = 2; -+ BUF->optdata[1] = 4; -+ BUF->optdata[2] = (UIP_TCP_MSS) / 256; -+ BUF->optdata[3] = (UIP_TCP_MSS) & 255; -+ uip_len = 44; -+ BUF->tcpoffset = 6 << 4; -+ goto tcp_send; -+ -+ /* This label will be jumped to if we found an active connection. */ -+ found: -+ uip_conn = uip_connr; -+ uip_flags = 0; -+ -+ /* We do a very naive form of TCP reset processing; we just accept -+ any RST and kill our connection. We should in fact check if the -+ sequence number of this reset is wihtin our advertised window -+ before we accept the reset. */ -+ if(BUF->flags & TCP_RST) { -+ uip_connr->tcpstateflags = CLOSED; -+ UIP_LOG("tcp: got reset, aborting connection."); -+ uip_flags = UIP_ABORT; -+ UIP_APPCALL(); -+ goto drop; -+ } -+ /* Calculated the length of the data, if the application has sent -+ any data to us. */ -+ c = (BUF->tcpoffset >> 4) << 2; -+ /* uip_len will contain the length of the actual TCP data. This is -+ calculated by subtracing the length of the TCP header (in -+ c) and the length of the IP header (20 bytes). */ -+ uip_len = uip_len - c - 20; -+ -+ /* First, check if the sequence number of the incoming packet is -+ what we're expecting next. If not, we send out an ACK with the -+ correct numbers in. */ -+ if(uip_len > 0 && -+ (BUF->seqno[0] != uip_connr->rcv_nxt[0] || -+ BUF->seqno[1] != uip_connr->rcv_nxt[1] || -+ BUF->seqno[2] != uip_connr->rcv_nxt[2] || -+ BUF->seqno[3] != uip_connr->rcv_nxt[3])) { -+ goto tcp_send_ack; -+ } -+ -+ /* Next, check if the incoming segment acknowledges any outstanding -+ data. If so, we update the sequence number, reset the length of -+ the outstanding data, calculate RTT estimations, and reset the -+ retransmission timer. */ -+ if((BUF->flags & TCP_ACK) && uip_outstanding(uip_connr)) { -+ uip_add32(uip_connr->snd_nxt, uip_connr->len); -+ if(BUF->ackno[0] == uip_acc32[0] && -+ BUF->ackno[1] == uip_acc32[1] && -+ BUF->ackno[2] == uip_acc32[2] && -+ BUF->ackno[3] == uip_acc32[3]) { -+ /* Update sequence number. */ -+ uip_connr->snd_nxt[0] = uip_acc32[0]; -+ uip_connr->snd_nxt[1] = uip_acc32[1]; -+ uip_connr->snd_nxt[2] = uip_acc32[2]; -+ uip_connr->snd_nxt[3] = uip_acc32[3]; -+ -+ -+ /* Do RTT estimation, unless we have done retransmissions. */ -+ if(uip_connr->nrtx == 0) { -+ signed char m; -+ m = uip_connr->rto - uip_connr->timer; -+ /* This is taken directly from VJs original code in his paper */ -+ m = m - (uip_connr->sa >> 3); -+ uip_connr->sa += m; -+ if(m < 0) { -+ m = -m; -+ } -+ m = m - (uip_connr->sv >> 2); -+ uip_connr->sv += m; -+ uip_connr->rto = (uip_connr->sa >> 3) + uip_connr->sv; -+ -+ } -+ /* Set the acknowledged flag. */ -+ uip_flags = UIP_ACKDATA; -+ /* Reset the retransmission timer. */ -+ uip_connr->timer = uip_connr->rto; -+ } -+ -+ } -+ -+ /* Do different things depending on in what state the connection is. */ -+ switch(uip_connr->tcpstateflags & TS_MASK) { -+ /* CLOSED and LISTEN are not handled here. CLOSE_WAIT is not -+ implemented, since we force the application to close when the -+ peer sends a FIN (hence the application goes directly from -+ ESTABLISHED to LAST_ACK). */ -+ case SYN_RCVD: -+ /* In SYN_RCVD we have sent out a SYNACK in response to a SYN, and -+ we are waiting for an ACK that acknowledges the data we sent -+ out the last time. Therefore, we want to have the UIP_ACKDATA -+ flag set. If so, we enter the ESTABLISHED state. */ -+ if(uip_flags & UIP_ACKDATA) { -+ uip_connr->tcpstateflags = ESTABLISHED; -+ uip_flags = UIP_CONNECTED; -+ uip_connr->len = 0; -+ if(uip_len > 0) { -+ uip_flags |= UIP_NEWDATA; -+ uip_add_rcv_nxt(uip_len); -+ } -+ uip_slen = 0; -+ UIP_APPCALL(); -+ goto appsend; -+ } -+ goto drop; -+#if UIP_ACTIVE_OPEN -+ case SYN_SENT: -+ /* In SYN_SENT, we wait for a SYNACK that is sent in response to -+ our SYN. The rcv_nxt is set to sequence number in the SYNACK -+ plus one, and we send an ACK. We move into the ESTABLISHED -+ state. */ -+ if((uip_flags & UIP_ACKDATA) && -+ BUF->flags == (TCP_SYN | TCP_ACK)) { -+ -+ /* Parse the TCP MSS option, if present. */ -+ if((BUF->tcpoffset & 0xf0) > 0x50) { -+ for(c = 0; c < ((BUF->tcpoffset >> 4) - 5) << 2 ;) { -+ opt = uip_buf[40 + UIP_LLH_LEN + c]; -+ if(opt == 0x00) { -+ /* End of options. */ -+ break; -+ } else if(opt == 0x01) { -+ ++c; -+ /* NOP option. */ -+ } else if(opt == 0x02 && -+ uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 1 + c] == 0x04) { -+ /* An MSS option with the right option length. */ -+ tmp16 = (uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 2 + c] << 8) | -+ uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 3 + c]; -+ uip_connr->initialmss = -+ uip_connr->mss = tmp16 > UIP_TCP_MSS? UIP_TCP_MSS: tmp16; -+ -+ /* And we are done processing options. */ -+ break; -+ } else { -+ /* All other options have a length field, so that we easily -+ can skip past them. */ -+ if(uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 1 + c] == 0) { -+ /* If the length field is zero, the options are malformed -+ and we don't process them further. */ -+ break; -+ } -+ c += uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN + 1 + c]; -+ } -+ } -+ } -+ uip_connr->tcpstateflags = ESTABLISHED; -+ uip_connr->rcv_nxt[0] = BUF->seqno[0]; -+ uip_connr->rcv_nxt[1] = BUF->seqno[1]; -+ uip_connr->rcv_nxt[2] = BUF->seqno[2]; -+ uip_connr->rcv_nxt[3] = BUF->seqno[3]; -+ uip_add_rcv_nxt(1); -+ uip_flags = UIP_CONNECTED | UIP_NEWDATA; -+ uip_connr->len = 0; -+ uip_len = 0; -+ uip_slen = 0; -+ UIP_APPCALL(); -+ goto appsend; -+ } -+ goto reset; -+#endif /* UIP_ACTIVE_OPEN */ -+ -+ case ESTABLISHED: -+ /* In the ESTABLISHED state, we call upon the application to feed -+ data into the uip_buf. If the UIP_ACKDATA flag is set, the -+ application should put new data into the buffer, otherwise we are -+ retransmitting an old segment, and the application should put that -+ data into the buffer. -+ -+ If the incoming packet is a FIN, we should close the connection on -+ this side as well, and we send out a FIN and enter the LAST_ACK -+ state. We require that there is no outstanding data; otherwise the -+ sequence numbers will be screwed up. */ -+ -+ if(BUF->flags & TCP_FIN) { -+ if(uip_outstanding(uip_connr)) { -+ goto drop; -+ } -+ uip_add_rcv_nxt(1 + uip_len); -+ uip_flags = UIP_CLOSE; -+ if(uip_len > 0) { -+ uip_flags |= UIP_NEWDATA; -+ } -+ UIP_APPCALL(); -+ uip_connr->len = 1; -+ uip_connr->tcpstateflags = LAST_ACK; -+ uip_connr->nrtx = 0; -+ tcp_send_finack: -+ BUF->flags = TCP_FIN | TCP_ACK; -+ goto tcp_send_nodata; -+ } -+ -+ /* Check the URG flag. If this is set, the segment carries urgent -+ data that we must pass to the application. */ -+ if(BUF->flags & TCP_URG) { -+#if UIP_URGDATA > 0 -+ uip_urglen = (BUF->urgp[0] << 8) | BUF->urgp[1]; -+ if(uip_urglen > uip_len) { -+ /* There is more urgent data in the next segment to come. */ -+ uip_urglen = uip_len; -+ } -+ uip_add_rcv_nxt(uip_urglen); -+ uip_len -= uip_urglen; -+ uip_urgdata = uip_appdata; -+ uip_appdata += uip_urglen; -+ } else { -+ uip_urglen = 0; -+#endif /* UIP_URGDATA > 0 */ -+ uip_appdata += (BUF->urgp[0] << 8) | BUF->urgp[1]; -+ uip_len -= (BUF->urgp[0] << 8) | BUF->urgp[1]; -+ } -+ -+ -+ /* If uip_len > 0 we have TCP data in the packet, and we flag this -+ by setting the UIP_NEWDATA flag and update the sequence number -+ we acknowledge. If the application has stopped the dataflow -+ using uip_stop(), we must not accept any data packets from the -+ remote host. */ -+ if(uip_len > 0 && !(uip_connr->tcpstateflags & UIP_STOPPED)) { -+ uip_flags |= UIP_NEWDATA; -+ uip_add_rcv_nxt(uip_len); -+ } -+ -+ /* Check if the available buffer space advertised by the other end -+ is smaller than the initial MSS for this connection. If so, we -+ set the current MSS to the window size to ensure that the -+ application does not send more data than the other end can -+ handle. -+ -+ If the remote host advertises a zero window, we set the MSS to -+ the initial MSS so that the application will send an entire MSS -+ of data. This data will not be acknowledged by the receiver, -+ and the application will retransmit it. This is called the -+ "persistent timer" and uses the retransmission mechanim. -+ */ -+ tmp16 = ((unsigned short int)BUF->wnd[0] << 8) + (unsigned short int)BUF->wnd[1]; -+ if(tmp16 > uip_connr->initialmss || -+ tmp16 == 0) { -+ tmp16 = uip_connr->initialmss; -+ } -+ uip_connr->mss = tmp16; -+ -+ /* If this packet constitutes an ACK for outstanding data (flagged -+ by the UIP_ACKDATA flag, we should call the application since it -+ might want to send more data. If the incoming packet had data -+ from the peer (as flagged by the UIP_NEWDATA flag), the -+ application must also be notified. -+ -+ When the application is called, the global variable uip_len -+ contains the length of the incoming data. The application can -+ access the incoming data through the global pointer -+ uip_appdata, which usually points 40 bytes into the uip_buf -+ array. -+ -+ If the application wishes to send any data, this data should be -+ put into the uip_appdata and the length of the data should be -+ put into uip_len. If the application don't have any data to -+ send, uip_len must be set to 0. */ -+ if(uip_flags & (UIP_NEWDATA | UIP_ACKDATA)) { -+ uip_slen = 0; -+ UIP_APPCALL(); -+ -+ appsend: -+ -+ if(uip_flags & UIP_ABORT) { -+ uip_slen = 0; -+ uip_connr->tcpstateflags = CLOSED; -+ BUF->flags = TCP_RST | TCP_ACK; -+ goto tcp_send_nodata; -+ } -+ -+ if(uip_flags & UIP_CLOSE) { -+ uip_slen = 0; -+ uip_connr->len = 1; -+ uip_connr->tcpstateflags = FIN_WAIT_1; -+ uip_connr->nrtx = 0; -+ BUF->flags = TCP_FIN | TCP_ACK; -+ goto tcp_send_nodata; -+ } -+ -+ /* If uip_slen > 0, the application has data to be sent. */ -+ if(uip_slen > 0) { -+ -+ /* If the connection has acknowledged data, the contents of -+ the ->len variable should be discarded. */ -+ if((uip_flags & UIP_ACKDATA) != 0) { -+ uip_connr->len = 0; -+ } -+ -+ /* If the ->len variable is non-zero the connection has -+ already data in transit and cannot send anymore right -+ now. */ -+ if(uip_connr->len == 0) { -+ -+ /* The application cannot send more than what is allowed by -+ the mss (the minumum of the MSS and the available -+ window). */ -+ if(uip_slen > uip_connr->mss) { -+ uip_slen = uip_connr->mss; -+ } -+ -+ /* Remember how much data we send out now so that we know -+ when everything has been acknowledged. */ -+ uip_connr->len = uip_slen; -+ } else { -+ -+ /* If the application already had unacknowledged data, we -+ make sure that the application does not send (i.e., -+ retransmit) out more than it previously sent out. */ -+ uip_slen = uip_connr->len; -+ } -+ } else { -+ uip_connr->len = 0; -+ } -+ uip_connr->nrtx = 0; -+ apprexmit: -+ uip_appdata = uip_sappdata; -+ -+ /* If the application has data to be sent, or if the incoming -+ packet had new data in it, we must send out a packet. */ -+ if(uip_slen > 0 && uip_connr->len > 0) { -+ /* Add the length of the IP and TCP headers. */ -+ uip_len = uip_connr->len + UIP_TCPIP_HLEN; -+ /* We always set the ACK flag in response packets. */ -+ BUF->flags = TCP_ACK | TCP_PSH; -+ /* Send the packet. */ -+ goto tcp_send_noopts; -+ } -+ /* If there is no data to send, just send out a pure ACK if -+ there is newdata. */ -+ if(uip_flags & UIP_NEWDATA) { -+ uip_len = UIP_TCPIP_HLEN; -+ BUF->flags = TCP_ACK; -+ goto tcp_send_noopts; -+ } -+ } -+ goto drop; -+ case LAST_ACK: -+ /* We can close this connection if the peer has acknowledged our -+ FIN. This is indicated by the UIP_ACKDATA flag. */ -+ if(uip_flags & UIP_ACKDATA) { -+ uip_connr->tcpstateflags = CLOSED; -+ uip_flags = UIP_CLOSE; -+ UIP_APPCALL(); -+ } -+ break; -+ -+ case FIN_WAIT_1: -+ /* The application has closed the connection, but the remote host -+ hasn't closed its end yet. Thus we do nothing but wait for a -+ FIN from the other side. */ -+ if(uip_len > 0) { -+ uip_add_rcv_nxt(uip_len); -+ } -+ if(BUF->flags & TCP_FIN) { -+ if(uip_flags & UIP_ACKDATA) { -+ uip_connr->tcpstateflags = TIME_WAIT; -+ uip_connr->timer = 0; -+ uip_connr->len = 0; -+ } else { -+ uip_connr->tcpstateflags = CLOSING; -+ } -+ uip_add_rcv_nxt(1); -+ uip_flags = UIP_CLOSE; -+ UIP_APPCALL(); -+ goto tcp_send_ack; -+ } else if(uip_flags & UIP_ACKDATA) { -+ uip_connr->tcpstateflags = FIN_WAIT_2; -+ uip_connr->len = 0; -+ goto drop; -+ } -+ if(uip_len > 0) { -+ goto tcp_send_ack; -+ } -+ goto drop; -+ -+ case FIN_WAIT_2: -+ if(uip_len > 0) { -+ uip_add_rcv_nxt(uip_len); -+ } -+ if(BUF->flags & TCP_FIN) { -+ uip_connr->tcpstateflags = TIME_WAIT; -+ uip_connr->timer = 0; -+ uip_add_rcv_nxt(1); -+ uip_flags = UIP_CLOSE; -+ UIP_APPCALL(); -+ goto tcp_send_ack; -+ } -+ if(uip_len > 0) { -+ goto tcp_send_ack; -+ } -+ goto drop; -+ -+ case TIME_WAIT: -+ goto tcp_send_ack; -+ -+ case CLOSING: -+ if(uip_flags & UIP_ACKDATA) { -+ uip_connr->tcpstateflags = TIME_WAIT; -+ uip_connr->timer = 0; -+ } -+ } -+ goto drop; -+ -+ -+ /* We jump here when we are ready to send the packet, and just want -+ to set the appropriate TCP sequence numbers in the TCP header. */ -+ tcp_send_ack: -+ BUF->flags = TCP_ACK; -+ tcp_send_nodata: -+ uip_len = 40; -+ tcp_send_noopts: -+ BUF->tcpoffset = 5 << 4; -+ tcp_send: -+ /* We're done with the input processing. We are now ready to send a -+ reply. Our job is to fill in all the fields of the TCP and IP -+ headers before calculating the checksum and finally send the -+ packet. */ -+ BUF->ackno[0] = uip_connr->rcv_nxt[0]; -+ BUF->ackno[1] = uip_connr->rcv_nxt[1]; -+ BUF->ackno[2] = uip_connr->rcv_nxt[2]; -+ BUF->ackno[3] = uip_connr->rcv_nxt[3]; -+ -+ BUF->seqno[0] = uip_connr->snd_nxt[0]; -+ BUF->seqno[1] = uip_connr->snd_nxt[1]; -+ BUF->seqno[2] = uip_connr->snd_nxt[2]; -+ BUF->seqno[3] = uip_connr->snd_nxt[3]; -+ -+ BUF->proto = UIP_PROTO_TCP; -+ -+ BUF->srcport = uip_connr->lport; -+ BUF->destport = uip_connr->rport; -+ -+ BUF->srcipaddr[0] = uip_hostaddr[0]; -+ BUF->srcipaddr[1] = uip_hostaddr[1]; -+ BUF->destipaddr[0] = uip_connr->ripaddr[0]; -+ BUF->destipaddr[1] = uip_connr->ripaddr[1]; -+ -+ -+ if(uip_connr->tcpstateflags & UIP_STOPPED) { -+ /* If the connection has issued uip_stop(), we advertise a zero -+ window so that the remote host will stop sending data. */ -+ BUF->wnd[0] = BUF->wnd[1] = 0; -+ } else { -+ BUF->wnd[0] = ((UIP_RECEIVE_WINDOW) >> 8); -+ BUF->wnd[1] = ((UIP_RECEIVE_WINDOW) & 0xff); -+ } -+ -+ tcp_send_noconn: -+ -+ BUF->len[0] = (uip_len >> 8); -+ BUF->len[1] = (uip_len & 0xff); -+ -+ /* Calculate TCP checksum. */ -+ BUF->tcpchksum = 0; -+ BUF->tcpchksum = ~(uip_tcpchksum()); -+ -+ //ip_send_nolen: -+ -+ BUF->vhl = 0x45; -+ BUF->tos = 0; -+ BUF->ipoffset[0] = BUF->ipoffset[1] = 0; -+ BUF->ttl = UIP_TTL; -+ ++ipid; -+ BUF->ipid[0] = ipid >> 8; -+ BUF->ipid[1] = ipid & 0xff; -+ -+ /* Calculate IP checksum. */ -+ BUF->ipchksum = 0; -+ BUF->ipchksum = ~(uip_ipchksum()); -+ -+ UIP_STAT(++uip_stat.tcp.sent); -+ send: -+ UIP_STAT(++uip_stat.ip.sent); -+ /* Return and let the caller do the actual transmission. */ -+ return; -+ drop: -+ uip_len = 0; -+ return; -+} -+/*-----------------------------------------------------------------------------------*/ -+/*unsigned short int -+htons(unsigned short int val) -+{ -+ return HTONS(val); -+}*/ -+/*-----------------------------------------------------------------------------------*/ -+/** @} */ ---- /dev/null -+++ b/net/uip-0.9/uip.h -@@ -0,0 +1,1066 @@ -+/** -+ * \addtogroup uip -+ * @{ -+ */ -+ -+/** -+ * \file -+ * Header file for the uIP TCP/IP stack. -+ * \author Adam Dunkels <adam@dunkels.com> -+ * -+ * The uIP TCP/IP stack header file contains definitions for a number -+ * of C macros that are used by uIP programs as well as internal uIP -+ * structures, TCP/IP header structures and function declarations. -+ * -+ */ -+ -+ -+/* -+ * Copyright (c) 2001-2003, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uip.h,v 1.36.2.7 2003/10/07 13:47:51 adam Exp $ -+ * -+ */ -+ -+#ifndef __UIP_H__ -+#define __UIP_H__ -+#include <linux/types.h> -+#include <linux/string.h> -+#include <linux/ctype.h> -+#include <malloc.h> -+#include <common.h> -+ -+ -+#include "uipopt.h" -+ -+/*-----------------------------------------------------------------------------------*/ -+/* First, the functions that should be called from the -+ * system. Initialization, the periodic timer and incoming packets are -+ * handled by the following three functions. -+ */ -+ -+/** -+ * \defgroup uipconffunc uIP configuration functions -+ * @{ -+ * -+ * The uIP configuration functions are used for setting run-time -+ * parameters in uIP such as IP addresses. -+ */ -+ -+/** -+ * Set the IP address of this host. -+ * -+ * The IP address is represented as a 4-byte array where the first -+ * octet of the IP address is put in the first member of the 4-byte -+ * array. -+ * -+ * \param addr A pointer to a 4-byte representation of the IP address. -+ * -+ * \hideinitializer -+ */ -+#define uip_sethostaddr(addr) do { uip_hostaddr[0] = addr[0]; \ -+ uip_hostaddr[1] = addr[1]; } while(0) -+ -+/** -+ * Get the IP address of this host. -+ * -+ * The IP address is represented as a 4-byte array where the first -+ * octet of the IP address is put in the first member of the 4-byte -+ * array. -+ * -+ * \param addr A pointer to a 4-byte array that will be filled in with -+ * the currently configured IP address. -+ * -+ * \hideinitializer -+ */ -+#define uip_gethostaddr(addr) do { addr[0] = uip_hostaddr[0]; \ -+ addr[1] = uip_hostaddr[1]; } while(0) -+ -+/** @} */ -+ -+/** -+ * \defgroup uipinit uIP initialization functions -+ * @{ -+ * -+ * The uIP initialization functions are used for booting uIP. -+ */ -+ -+/** -+ * uIP initialization function. -+ * -+ * This function should be called at boot up to initilize the uIP -+ * TCP/IP stack. -+ */ -+void uip_init(void); -+ -+/** @} */ -+ -+/** -+ * \defgroup uipdevfunc uIP device driver functions -+ * @{ -+ * -+ * These functions are used by a network device driver for interacting -+ * with uIP. -+ */ -+ -+/** -+ * Process an incoming packet. -+ * -+ * This function should be called when the device driver has received -+ * a packet from the network. The packet from the device driver must -+ * be present in the uip_buf buffer, and the length of the packet -+ * should be placed in the uip_len variable. -+ * -+ * When the function returns, there may be an outbound packet placed -+ * in the uip_buf packet buffer. If so, the uip_len variable is set to -+ * the length of the packet. If no packet is to be sent out, the -+ * uip_len variable is set to 0. -+ * -+ * The usual way of calling the function is presented by the source -+ * code below. -+ \code -+ uip_len = devicedriver_poll(); -+ if(uip_len > 0) { -+ uip_input(); -+ if(uip_len > 0) { -+ devicedriver_send(); -+ } -+ } -+ \endcode -+ * -+ * \note If you are writing a uIP device driver that needs ARP -+ * (Address Resolution Protocol), e.g., when running uIP over -+ * Ethernet, you will need to call the uIP ARP code before calling -+ * this function: -+ \code -+ #define BUF ((struct uip_eth_hdr *)&uip_buf[0]) -+ uip_len = ethernet_devicedrver_poll(); -+ if(uip_len > 0) { -+ if(BUF->type == HTONS(UIP_ETHTYPE_IP)) { -+ uip_arp_ipin(); -+ uip_input(); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ ethernet_devicedriver_send(); -+ } -+ } else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) { -+ uip_arp_arpin(); -+ if(uip_len > 0) { -+ ethernet_devicedriver_send(); -+ } -+ } -+ \endcode -+ * -+ * \hideinitializer -+ */ -+#define uip_input() uip_process(UIP_DATA) -+ -+/** -+ * Periodic processing for a connection identified by its number. -+ * -+ * This function does the necessary periodic processing (timers, -+ * polling) for a uIP TCP conneciton, and should be called when the -+ * periodic uIP timer goes off. It should be called for every -+ * connection, regardless of whether they are open of closed. -+ * -+ * When the function returns, it may have an outbound packet waiting -+ * for service in the uIP packet buffer, and if so the uip_len -+ * variable is set to a value larger than zero. The device driver -+ * should be called to send out the packet. -+ * -+ * The ususal way of calling the function is through a for() loop like -+ * this: -+ \code -+ for(i = 0; i < UIP_CONNS; ++i) { -+ uip_periodic(i); -+ if(uip_len > 0) { -+ devicedriver_send(); -+ } -+ } -+ \endcode -+ * -+ * \note If you are writing a uIP device driver that needs ARP -+ * (Address Resolution Protocol), e.g., when running uIP over -+ * Ethernet, you will need to call the uip_arp_out() function before -+ * calling the device driver: -+ \code -+ for(i = 0; i < UIP_CONNS; ++i) { -+ uip_periodic(i); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ ethernet_devicedriver_send(); -+ } -+ } -+ \endcode -+ * -+ * \param conn The number of the connection which is to be periodically polled. -+ * -+ * \hideinitializer -+ */ -+#define uip_periodic(conn) do { uip_conn = &uip_conns[conn]; \ -+ uip_process(UIP_TIMER); } while (0) -+ -+/** -+ * Periodic processing for a connection identified by a pointer to its structure. -+ * -+ * Same as uip_periodic() but takes a pointer to the actual uip_conn -+ * struct instead of an integer as its argument. This function can be -+ * used to force periodic processing of a specific connection. -+ * -+ * \param conn A pointer to the uip_conn struct for the connection to -+ * be processed. -+ * -+ * \hideinitializer -+ */ -+#define uip_periodic_conn(conn) do { uip_conn = conn; \ -+ uip_process(UIP_TIMER); } while (0) -+ -+#if UIP_UDP -+/** -+ * Periodic processing for a UDP connection identified by its number. -+ * -+ * This function is essentially the same as uip_prerioic(), but for -+ * UDP connections. It is called in a similar fashion as the -+ * uip_periodic() function: -+ \code -+ for(i = 0; i < UIP_UDP_CONNS; i++) { -+ uip_udp_periodic(i); -+ if(uip_len > 0) { -+ devicedriver_send(); -+ } -+ } -+ \endcode -+ * -+ * \note As for the uip_periodic() function, special care has to be -+ * taken when using uIP together with ARP and Ethernet: -+ \code -+ for(i = 0; i < UIP_UDP_CONNS; i++) { -+ uip_udp_periodic(i); -+ if(uip_len > 0) { -+ uip_arp_out(); -+ ethernet_devicedriver_send(); -+ } -+ } -+ \endcode -+ * -+ * \param conn The number of the UDP connection to be processed. -+ * -+ * \hideinitializer -+ */ -+#define uip_udp_periodic(conn) do { uip_udp_conn = &uip_udp_conns[conn]; \ -+ uip_process(UIP_UDP_TIMER); } while (0) -+ -+/** -+ * Periodic processing for a UDP connection identified by a pointer to -+ * its structure. -+ * -+ * Same as uip_udp_periodic() but takes a pointer to the actual -+ * uip_conn struct instead of an integer as its argument. This -+ * function can be used to force periodic processing of a specific -+ * connection. -+ * -+ * \param conn A pointer to the uip_udp_conn struct for the connection -+ * to be processed. -+ * -+ * \hideinitializer -+ */ -+#define uip_udp_periodic_conn(conn) do { uip_udp_conn = conn; \ -+ uip_process(UIP_UDP_TIMER); } while (0) -+ -+ -+#endif /* UIP_UDP */ -+ -+/** -+ * The uIP packet buffer. -+ * -+ * The uip_buf array is used to hold incoming and outgoing -+ * packets. The device driver should place incoming data into this -+ * buffer. When sending data, the device driver should read the link -+ * level headers and the TCP/IP headers from this buffer. The size of -+ * the link level headers is configured by the UIP_LLH_LEN define. -+ * -+ * \note The application data need not be placed in this buffer, so -+ * the device driver must read it from the place pointed to by the -+ * uip_appdata pointer as illustrated by the following example: -+ \code -+ void -+ devicedriver_send(void) -+ { -+ hwsend(&uip_buf[0], UIP_LLH_LEN); -+ hwsend(&uip_buf[UIP_LLH_LEN], 40); -+ hwsend(uip_appdata, uip_len - 40 - UIP_LLH_LEN); -+ } -+ \endcode -+ */ -+extern u8_t uip_buf[UIP_BUFSIZE+2]; -+ -+/** @} */ -+ -+/*-----------------------------------------------------------------------------------*/ -+/* Functions that are used by the uIP application program. Opening and -+ * closing connections, sending and receiving data, etc. is all -+ * handled by the functions below. -+*/ -+/** -+ * \defgroup uipappfunc uIP application functions -+ * @{ -+ * -+ * Functions used by an application running of top of uIP. -+ */ -+ -+/** -+ * Start listening to the specified port. -+ * -+ * \note Since this function expects the port number in network byte -+ * order, a conversion using HTONS() or htons() is necessary. -+ * -+ \code -+ uip_listen(HTONS(80)); -+ \endcode -+ * -+ * \param port A 16-bit port number in network byte order. -+ */ -+void uip_listen(u16_t port); -+ -+/** -+ * Stop listening to the specified port. -+ * -+ * \note Since this function expects the port number in network byte -+ * order, a conversion using HTONS() or htons() is necessary. -+ * -+ \code -+ uip_unlisten(HTONS(80)); -+ \endcode -+ * -+ * \param port A 16-bit port number in network byte order. -+ */ -+void uip_unlisten(u16_t port); -+ -+/** -+ * Connect to a remote host using TCP. -+ * -+ * This function is used to start a new connection to the specified -+ * port on the specied host. It allocates a new connection identifier, -+ * sets the connection to the SYN_SENT state and sets the -+ * retransmission timer to 0. This will cause a TCP SYN segment to be -+ * sent out the next time this connection is periodically processed, -+ * which usually is done within 0.5 seconds after the call to -+ * uip_connect(). -+ * -+ * \note This function is avaliable only if support for active open -+ * has been configured by defining UIP_ACTIVE_OPEN to 1 in uipopt.h. -+ * -+ * \note Since this function requires the port number to be in network -+ * byte order, a convertion using HTONS() or htons() is necessary. -+ * -+ \code -+ u16_t ipaddr[2]; -+ -+ uip_ipaddr(ipaddr, 192,168,1,2); -+ uip_connect(ipaddr, HTONS(80)); -+ \endcode -+ * -+ * \param ripaddr A pointer to a 4-byte array representing the IP -+ * address of the remote hot. -+ * -+ * \param port A 16-bit port number in network byte order. -+ * -+ * \return A pointer to the uIP connection identifier for the new connection, -+ * or NULL if no connection could be allocated. -+ * -+ */ -+struct uip_conn *uip_connect(u16_t *ripaddr, u16_t port); -+ -+ -+ -+/** -+ * \internal -+ * -+ * Check if a connection has outstanding (i.e., unacknowledged) data. -+ * -+ * \param conn A pointer to the uip_conn structure for the connection. -+ * -+ * \hideinitializer -+ */ -+#define uip_outstanding(conn) ((conn)->len) -+ -+/** -+ * Send data on the current connection. -+ * -+ * This function is used to send out a single segment of TCP -+ * data. Only applications that have been invoked by uIP for event -+ * processing can send data. -+ * -+ * The amount of data that actually is sent out after a call to this -+ * funcion is determined by the maximum amount of data TCP allows. uIP -+ * will automatically crop the data so that only the appropriate -+ * amount of data is sent. The function uip_mss() can be used to query -+ * uIP for the amount of data that actually will be sent. -+ * -+ * \note This function does not guarantee that the sent data will -+ * arrive at the destination. If the data is lost in the network, the -+ * application will be invoked with the uip_rexmit() event being -+ * set. The application will then have to resend the data using this -+ * function. -+ * -+ * \param data A pointer to the data which is to be sent. -+ * -+ * \param len The maximum amount of data bytes to be sent. -+ * -+ * \hideinitializer -+ */ -+#define uip_send(data, len) do { uip_sappdata = (data); uip_slen = (len);} while(0) -+ -+/** -+ * The length of any incoming data that is currently avaliable (if avaliable) -+ * in the uip_appdata buffer. -+ * -+ * The test function uip_data() must first be used to check if there -+ * is any data available at all. -+ * -+ * \hideinitializer -+ */ -+#define uip_datalen() uip_len -+ -+/** -+ * The length of any out-of-band data (urgent data) that has arrived -+ * on the connection. -+ * -+ * \note The configuration parameter UIP_URGDATA must be set for this -+ * function to be enabled. -+ * -+ * \hideinitializer -+ */ -+#define uip_urgdatalen() uip_urglen -+ -+/** -+ * Close the current connection. -+ * -+ * This function will close the current connection in a nice way. -+ * -+ * \hideinitializer -+ */ -+#define uip_close() (uip_flags = UIP_CLOSE) -+ -+/** -+ * Abort the current connection. -+ * -+ * This function will abort (reset) the current connection, and is -+ * usually used when an error has occured that prevents using the -+ * uip_close() function. -+ * -+ * \hideinitializer -+ */ -+#define uip_abort() (uip_flags = UIP_ABORT) -+ -+/** -+ * Tell the sending host to stop sending data. -+ * -+ * This function will close our receiver's window so that we stop -+ * receiving data for the current connection. -+ * -+ * \hideinitializer -+ */ -+#define uip_stop() (uip_conn->tcpstateflags |= UIP_STOPPED) -+ -+/** -+ * Find out if the current connection has been previously stopped with -+ * uip_stop(). -+ * -+ * \hideinitializer -+ */ -+#define uip_stopped(conn) ((conn)->tcpstateflags & UIP_STOPPED) -+ -+/** -+ * Restart the current connection, if is has previously been stopped -+ * with uip_stop(). -+ * -+ * This function will open the receiver's window again so that we -+ * start receiving data for the current connection. -+ * -+ * \hideinitializer -+ */ -+#define uip_restart() do { uip_flags |= UIP_NEWDATA; \ -+ uip_conn->tcpstateflags &= ~UIP_STOPPED; \ -+ } while(0) -+ -+ -+/* uIP tests that can be made to determine in what state the current -+ connection is, and what the application function should do. */ -+ -+/** -+ * Is new incoming data available? -+ * -+ * Will reduce to non-zero if there is new data for the application -+ * present at the uip_appdata pointer. The size of the data is -+ * avaliable through the uip_len variable. -+ * -+ * \hideinitializer -+ */ -+#define uip_newdata() (uip_flags & UIP_NEWDATA) -+ -+/** -+ * Has previously sent data been acknowledged? -+ * -+ * Will reduce to non-zero if the previously sent data has been -+ * acknowledged by the remote host. This means that the application -+ * can send new data. -+ * -+ * \hideinitializer -+ */ -+#define uip_acked() (uip_flags & UIP_ACKDATA) -+ -+/** -+ * Has the connection just been connected? -+ * -+ * Reduces to non-zero if the current connection has been connected to -+ * a remote host. This will happen both if the connection has been -+ * actively opened (with uip_connect()) or passively opened (with -+ * uip_listen()). -+ * -+ * \hideinitializer -+ */ -+#define uip_connected() (uip_flags & UIP_CONNECTED) -+ -+/** -+ * Has the connection been closed by the other end? -+ * -+ * Is non-zero if the connection has been closed by the remote -+ * host. The application may then do the necessary clean-ups. -+ * -+ * \hideinitializer -+ */ -+#define uip_closed() (uip_flags & UIP_CLOSE) -+ -+/** -+ * Has the connection been aborted by the other end? -+ * -+ * Non-zero if the current connection has been aborted (reset) by the -+ * remote host. -+ * -+ * \hideinitializer -+ */ -+#define uip_aborted() (uip_flags & UIP_ABORT) -+ -+/** -+ * Has the connection timed out? -+ * -+ * Non-zero if the current connection has been aborted due to too many -+ * retransmissions. -+ * -+ * \hideinitializer -+ */ -+#define uip_timedout() (uip_flags & UIP_TIMEDOUT) -+ -+/** -+ * Do we need to retransmit previously data? -+ * -+ * Reduces to non-zero if the previously sent data has been lost in -+ * the network, and the application should retransmit it. The -+ * application should send the exact same data as it did the last -+ * time, using the uip_send() function. -+ * -+ * \hideinitializer -+ */ -+#define uip_rexmit() (uip_flags & UIP_REXMIT) -+ -+/** -+ * Is the connection being polled by uIP? -+ * -+ * Is non-zero if the reason the application is invoked is that the -+ * current connection has been idle for a while and should be -+ * polled. -+ * -+ * The polling event can be used for sending data without having to -+ * wait for the remote host to send data. -+ * -+ * \hideinitializer -+ */ -+#define uip_poll() (uip_flags & UIP_POLL) -+ -+/** -+ * Get the initial maxium segment size (MSS) of the current -+ * connection. -+ * -+ * \hideinitializer -+ */ -+#define uip_initialmss() (uip_conn->initialmss) -+ -+/** -+ * Get the current maxium segment size that can be sent on the current -+ * connection. -+ * -+ * The current maxiumum segment size that can be sent on the -+ * connection is computed from the receiver's window and the MSS of -+ * the connection (which also is available by calling -+ * uip_initialmss()). -+ * -+ * \hideinitializer -+ */ -+#define uip_mss() (uip_conn->mss) -+ -+/** -+ * Set up a new UDP connection. -+ * -+ * \param ripaddr A pointer to a 4-byte structure representing the IP -+ * address of the remote host. -+ * -+ * \param rport The remote port number in network byte order. -+ * -+ * \return The uip_udp_conn structure for the new connection or NULL -+ * if no connection could be allocated. -+ */ -+struct uip_udp_conn *uip_udp_new(u16_t *ripaddr, u16_t rport); -+ -+/** -+ * Removed a UDP connection. -+ * -+ * \param conn A pointer to the uip_udp_conn structure for the connection. -+ * -+ * \hideinitializer -+ */ -+#define uip_udp_remove(conn) (conn)->lport = 0 -+ -+/** -+ * Send a UDP datagram of length len on the current connection. -+ * -+ * This function can only be called in response to a UDP event (poll -+ * or newdata). The data must be present in the uip_buf buffer, at the -+ * place pointed to by the uip_appdata pointer. -+ * -+ * \param len The length of the data in the uip_buf buffer. -+ * -+ * \hideinitializer -+ */ -+#define uip_udp_send(len) uip_slen = (len) -+ -+/** @} */ -+ -+/* uIP convenience and converting functions. */ -+ -+/** -+ * \defgroup uipconvfunc uIP conversion functions -+ * @{ -+ * -+ * These functions can be used for converting between different data -+ * formats used by uIP. -+ */ -+ -+/** -+ * Pack an IP address into a 4-byte array which is used by uIP to -+ * represent IP addresses. -+ * -+ * Example: -+ \code -+ u16_t ipaddr[2]; -+ -+ uip_ipaddr(&ipaddr, 192,168,1,2); -+ \endcode -+ * -+ * \param addr A pointer to a 4-byte array that will be filled in with -+ * the IP addres. -+ * \param addr0 The first octet of the IP address. -+ * \param addr1 The second octet of the IP address. -+ * \param addr2 The third octet of the IP address. -+ * \param addr3 The forth octet of the IP address. -+ * -+ * \hideinitializer -+ */ -+#define uip_ipaddr(addr, addr0,addr1,addr2,addr3) do { \ -+ (addr)[0] = HTONS(((addr0) << 8) | (addr1)); \ -+ (addr)[1] = HTONS(((addr2) << 8) | (addr3)); \ -+ } while(0) -+ -+/** -+ * Convert 16-bit quantity from host byte order to network byte order. -+ * -+ * This macro is primarily used for converting constants from host -+ * byte order to network byte order. For converting variables to -+ * network byte order, use the htons() function instead. -+ * -+ * \hideinitializer -+ */ -+#ifndef HTONS -+# if BYTE_ORDER == BIG_ENDIAN -+# define HTONS(n) (n) -+# else /* BYTE_ORDER == BIG_ENDIAN */ -+# define HTONS(n) ((((u16_t)((n) & 0xff)) << 8) | (((n) & 0xff00) >> 8)) -+# endif /* BYTE_ORDER == BIG_ENDIAN */ -+#endif /* HTONS */ -+ -+/** -+ * Convert 16-bit quantity from host byte order to network byte order. -+ * -+ * This function is primarily used for converting variables from host -+ * byte order to network byte order. For converting constants to -+ * network byte order, use the HTONS() macro instead. -+ */ -+#ifndef htons -+u16_t htons(u16_t val); -+#endif /* htons */ -+ -+/** @} */ -+ -+/** -+ * Pointer to the application data in the packet buffer. -+ * -+ * This pointer points to the application data when the application is -+ * called. If the application wishes to send data, the application may -+ * use this space to write the data into before calling uip_send(). -+ */ -+extern volatile u8_t *uip_appdata; -+extern volatile u8_t *uip_sappdata; -+ -+#if UIP_URGDATA > 0 -+/* u8_t *uip_urgdata: -+ * -+ * This pointer points to any urgent data that has been received. Only -+ * present if compiled with support for urgent data (UIP_URGDATA). -+ */ -+extern volatile u8_t *uip_urgdata; -+#endif /* UIP_URGDATA > 0 */ -+ -+ -+/* u[8|16]_t uip_len: -+ * -+ * When the application is called, uip_len contains the length of any -+ * new data that has been received from the remote host. The -+ * application should set this variable to the size of any data that -+ * the application wishes to send. When the network device driver -+ * output function is called, uip_len should contain the length of the -+ * outgoing packet. -+ */ -+extern volatile u16_t uip_len, uip_slen; -+ -+#if UIP_URGDATA > 0 -+extern volatile u8_t uip_urglen, uip_surglen; -+#endif /* UIP_URGDATA > 0 */ -+ -+ -+/** -+ * Representation of a uIP TCP connection. -+ * -+ * The uip_conn structure is used for identifying a connection. All -+ * but one field in the structure are to be considered read-only by an -+ * application. The only exception is the appstate field whos purpose -+ * is to let the application store application-specific state (e.g., -+ * file pointers) for the connection. The size of this field is -+ * configured in the "uipopt.h" header file. -+ */ -+struct uip_conn { -+ u16_t ripaddr[2]; /**< The IP address of the remote host. */ -+ -+ u16_t lport; /**< The local TCP port, in network byte order. */ -+ u16_t rport; /**< The local remote TCP port, in network byte -+ order. */ -+ -+ u8_t rcv_nxt[4]; /**< The sequence number that we expect to -+ receive next. */ -+ u8_t snd_nxt[4]; /**< The sequence number that was last sent by -+ us. */ -+ u16_t len; /**< Length of the data that was previously sent. */ -+ u16_t mss; /**< Current maximum segment size for the -+ connection. */ -+ u16_t initialmss; /**< Initial maximum segment size for the -+ connection. */ -+ u8_t sa; /**< Retransmission time-out calculation state -+ variable. */ -+ u8_t sv; /**< Retransmission time-out calculation state -+ variable. */ -+ u8_t rto; /**< Retransmission time-out. */ -+ u8_t tcpstateflags; /**< TCP state and flags. */ -+ u8_t timer; /**< The retransmission timer. */ -+ u8_t nrtx; /**< The number of retransmissions for the last -+ segment sent. */ -+ -+ /** The application state. */ -+ u8_t appstate[UIP_APPSTATE_SIZE]; -+}; -+ -+ -+/* Pointer to the current connection. */ -+extern struct uip_conn *uip_conn; -+/* The array containing all uIP connections. */ -+extern struct uip_conn uip_conns[UIP_CONNS]; -+/** -+ * \addtogroup uiparch -+ * @{ -+ */ -+ -+/** -+ * 4-byte array used for the 32-bit sequence number calculations. -+ */ -+extern volatile u8_t uip_acc32[4]; -+ -+/** @} */ -+ -+ -+#if UIP_UDP -+/** -+ * Representation of a uIP UDP connection. -+ */ -+struct uip_udp_conn { -+ u16_t ripaddr[2]; /**< The IP address of the remote peer. */ -+ u16_t lport; /**< The local port number in network byte order. */ -+ u16_t rport; /**< The remote port number in network byte order. */ -+}; -+ -+extern struct uip_udp_conn *uip_udp_conn; -+extern struct uip_udp_conn uip_udp_conns[UIP_UDP_CONNS]; -+#endif /* UIP_UDP */ -+ -+/** -+ * The structure holding the TCP/IP statistics that are gathered if -+ * UIP_STATISTICS is set to 1. -+ * -+ */ -+struct uip_stats { -+ struct { -+ uip_stats_t drop; /**< Number of dropped packets at the IP -+ layer. */ -+ uip_stats_t recv; /**< Number of received packets at the IP -+ layer. */ -+ uip_stats_t sent; /**< Number of sent packets at the IP -+ layer. */ -+ uip_stats_t vhlerr; /**< Number of packets dropped due to wrong -+ IP version or header length. */ -+ uip_stats_t hblenerr; /**< Number of packets dropped due to wrong -+ IP length, high byte. */ -+ uip_stats_t lblenerr; /**< Number of packets dropped due to wrong -+ IP length, low byte. */ -+ uip_stats_t fragerr; /**< Number of packets dropped since they -+ were IP fragments. */ -+ uip_stats_t chkerr; /**< Number of packets dropped due to IP -+ checksum errors. */ -+ uip_stats_t protoerr; /**< Number of packets dropped since they -+ were neither ICMP, UDP nor TCP. */ -+ } ip; /**< IP statistics. */ -+ struct { -+ uip_stats_t drop; /**< Number of dropped ICMP packets. */ -+ uip_stats_t recv; /**< Number of received ICMP packets. */ -+ uip_stats_t sent; /**< Number of sent ICMP packets. */ -+ uip_stats_t typeerr; /**< Number of ICMP packets with a wrong -+ type. */ -+ } icmp; /**< ICMP statistics. */ -+ struct { -+ uip_stats_t drop; /**< Number of dropped TCP segments. */ -+ uip_stats_t recv; /**< Number of recived TCP segments. */ -+ uip_stats_t sent; /**< Number of sent TCP segments. */ -+ uip_stats_t chkerr; /**< Number of TCP segments with a bad -+ checksum. */ -+ uip_stats_t ackerr; /**< Number of TCP segments with a bad ACK -+ number. */ -+ uip_stats_t rst; /**< Number of recevied TCP RST (reset) segments. */ -+ uip_stats_t rexmit; /**< Number of retransmitted TCP segments. */ -+ uip_stats_t syndrop; /**< Number of dropped SYNs due to too few -+ connections was avaliable. */ -+ uip_stats_t synrst; /**< Number of SYNs for closed ports, -+ triggering a RST. */ -+ } tcp; /**< TCP statistics. */ -+}; -+ -+/** -+ * The uIP TCP/IP statistics. -+ * -+ * This is the variable in which the uIP TCP/IP statistics are gathered. -+ */ -+extern struct uip_stats uip_stat; -+ -+ -+/*-----------------------------------------------------------------------------------*/ -+/* All the stuff below this point is internal to uIP and should not be -+ * used directly by an application or by a device driver. -+ */ -+/*-----------------------------------------------------------------------------------*/ -+/* u8_t uip_flags: -+ * -+ * When the application is called, uip_flags will contain the flags -+ * that are defined in this file. Please read below for more -+ * infomation. -+ */ -+extern volatile u8_t uip_flags; -+ -+/* The following flags may be set in the global variable uip_flags -+ before calling the application callback. The UIP_ACKDATA and -+ UIP_NEWDATA flags may both be set at the same time, whereas the -+ others are mutualy exclusive. Note that these flags should *NOT* be -+ accessed directly, but through the uIP functions/macros. */ -+ -+#define UIP_ACKDATA 1 /* Signifies that the outstanding data was -+ acked and the application should send -+ out new data instead of retransmitting -+ the last data. */ -+#define UIP_NEWDATA 2 /* Flags the fact that the peer has sent -+ us new data. */ -+#define UIP_REXMIT 4 /* Tells the application to retransmit the -+ data that was last sent. */ -+#define UIP_POLL 8 /* Used for polling the application, to -+ check if the application has data that -+ it wants to send. */ -+#define UIP_CLOSE 16 /* The remote host has closed the -+ connection, thus the connection has -+ gone away. Or the application signals -+ that it wants to close the -+ connection. */ -+#define UIP_ABORT 32 /* The remote host has aborted the -+ connection, thus the connection has -+ gone away. Or the application signals -+ that it wants to abort the -+ connection. */ -+#define UIP_CONNECTED 64 /* We have got a connection from a remote -+ host and have set up a new connection -+ for it, or an active connection has -+ been successfully established. */ -+ -+#define UIP_TIMEDOUT 128 /* The connection has been aborted due to -+ too many retransmissions. */ -+ -+ -+/* uip_process(flag): -+ * -+ * The actual uIP function which does all the work. -+ */ -+void uip_process(u8_t flag); -+ -+/* The following flags are passed as an argument to the uip_process() -+ function. They are used to distinguish between the two cases where -+ uip_process() is called. It can be called either because we have -+ incoming data that should be processed, or because the periodic -+ timer has fired. */ -+ -+#define UIP_DATA 1 /* Tells uIP that there is incoming data in -+ the uip_buf buffer. The length of the -+ data is stored in the global variable -+ uip_len. */ -+#define UIP_TIMER 2 /* Tells uIP that the periodic timer has -+ fired. */ -+#if UIP_UDP -+#define UIP_UDP_TIMER 3 -+#endif /* UIP_UDP */ -+ -+/* The TCP states used in the uip_conn->tcpstateflags. */ -+#define CLOSED 0 -+#define SYN_RCVD 1 -+#define SYN_SENT 2 -+#define ESTABLISHED 3 -+#define FIN_WAIT_1 4 -+#define FIN_WAIT_2 5 -+#define CLOSING 6 -+#define TIME_WAIT 7 -+#define LAST_ACK 8 -+#define TS_MASK 15 -+ -+#define UIP_STOPPED 16 -+ -+#define UIP_TCPIP_HLEN 40 -+ -+/* The TCP and IP headers. */ -+typedef struct { -+ /* IP header. */ -+ u8_t vhl, -+ tos, -+ len[2], -+ ipid[2], -+ ipoffset[2], -+ ttl, -+ proto; -+ u16_t ipchksum; -+ u16_t srcipaddr[2], -+ destipaddr[2]; -+ -+ /* TCP header. */ -+ u16_t srcport, -+ destport; -+ u8_t seqno[4], -+ ackno[4], -+ tcpoffset, -+ flags, -+ wnd[2]; -+ u16_t tcpchksum; -+ u8_t urgp[2]; -+ u8_t optdata[4]; -+} uip_tcpip_hdr; -+ -+/* The ICMP and IP headers. */ -+typedef struct { -+ /* IP header. */ -+ u8_t vhl, -+ tos, -+ len[2], -+ ipid[2], -+ ipoffset[2], -+ ttl, -+ proto; -+ u16_t ipchksum; -+ u16_t srcipaddr[2], -+ destipaddr[2]; -+ /* ICMP (echo) header. */ -+ u8_t type, icode; -+ u16_t icmpchksum; -+ u16_t id, seqno; -+} uip_icmpip_hdr; -+ -+ -+/* The UDP and IP headers. */ -+typedef struct { -+ /* IP header. */ -+ u8_t vhl, -+ tos, -+ len[2], -+ ipid[2], -+ ipoffset[2], -+ ttl, -+ proto; -+ u16_t ipchksum; -+ u16_t srcipaddr[2], -+ destipaddr[2]; -+ -+ /* UDP header. */ -+ u16_t srcport, -+ destport; -+ u16_t udplen; -+ u16_t udpchksum; -+} uip_udpip_hdr; -+ -+#define UIP_PROTO_ICMP 1 -+#define UIP_PROTO_TCP 6 -+#define UIP_PROTO_UDP 17 -+ -+#if UIP_FIXEDADDR -+extern const u16_t uip_hostaddr[2]; -+#else /* UIP_FIXEDADDR */ -+extern u16_t uip_hostaddr[2]; -+#endif /* UIP_FIXEDADDR */ -+ -+#endif /* __UIP_H__ */ -+ -+ -+/** @} */ -+ ---- /dev/null -+++ b/net/uip-0.9/uip_arch.c -@@ -0,0 +1,145 @@ -+/* -+ * Copyright (c) 2001, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uip_arch.c,v 1.2.2.1 2003/10/04 22:54:17 adam Exp $ -+ * -+ */ -+ -+ -+#include "uip.h" -+#include "uip_arch.h" -+ -+#define BUF ((uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN]) -+#define IP_PROTO_TCP 6 -+ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_add32(u8_t *op32, u16_t op16) -+{ -+ -+ uip_acc32[3] = op32[3] + (op16 & 0xff); -+ uip_acc32[2] = op32[2] + (op16 >> 8); -+ uip_acc32[1] = op32[1]; -+ uip_acc32[0] = op32[0]; -+ -+ if(uip_acc32[2] < (op16 >> 8)) { -+ ++uip_acc32[1]; -+ if(uip_acc32[1] == 0) { -+ ++uip_acc32[0]; -+ } -+ } -+ -+ -+ if(uip_acc32[3] < (op16 & 0xff)) { -+ ++uip_acc32[2]; -+ if(uip_acc32[2] == 0) { -+ ++uip_acc32[1]; -+ if(uip_acc32[1] == 0) { -+ ++uip_acc32[0]; -+ } -+ } -+ } -+} -+/*-----------------------------------------------------------------------------------*/ -+u16_t -+uip_chksum(u16_t *sdata, u16_t len) -+{ -+ u16_t acc; -+ -+ for(acc = 0; len > 1; len -= 2) { -+ acc += *sdata; -+ if(acc < *sdata) { -+ /* Overflow, so we add the carry to acc (i.e., increase by -+ one). */ -+ ++acc; -+ } -+ ++sdata; -+ } -+ -+ /* add up any odd byte */ -+ if(len == 1) { -+ acc += htons(((u16_t)(*(u8_t *)sdata)) << 8); -+ if(acc < htons(((u16_t)(*(u8_t *)sdata)) << 8)) { -+ ++acc; -+ } -+ } -+ -+ return acc; -+} -+/*-----------------------------------------------------------------------------------*/ -+u16_t -+uip_ipchksum(void) -+{ -+ return uip_chksum((u16_t *)&uip_buf[UIP_LLH_LEN], 20); -+} -+/*-----------------------------------------------------------------------------------*/ -+u16_t -+uip_tcpchksum(void) -+{ -+ u16_t hsum, sum; -+ -+ -+ /* Compute the checksum of the TCP header. */ -+ hsum = uip_chksum((u16_t *)&uip_buf[20 + UIP_LLH_LEN], 20); -+ -+ /* Compute the checksum of the data in the TCP packet and add it to -+ the TCP header checksum. */ -+ sum = uip_chksum((u16_t *)uip_appdata, -+ (u16_t)(((((u16_t)(BUF->len[0]) << 8) + BUF->len[1]) - 40))); -+ -+ if((sum += hsum) < hsum) { -+ ++sum; -+ } -+ -+ if((sum += BUF->srcipaddr[0]) < BUF->srcipaddr[0]) { -+ ++sum; -+ } -+ if((sum += BUF->srcipaddr[1]) < BUF->srcipaddr[1]) { -+ ++sum; -+ } -+ if((sum += BUF->destipaddr[0]) < BUF->destipaddr[0]) { -+ ++sum; -+ } -+ if((sum += BUF->destipaddr[1]) < BUF->destipaddr[1]) { -+ ++sum; -+ } -+ if((sum += (u16_t)htons((u16_t)IP_PROTO_TCP)) < (u16_t)htons((u16_t)IP_PROTO_TCP)) { -+ ++sum; -+ } -+ -+ hsum = (u16_t)htons((((u16_t)(BUF->len[0]) << 8) + BUF->len[1]) - 20); -+ -+ if((sum += hsum) < hsum) { -+ ++sum; -+ } -+ -+ return sum; -+} -+/*-----------------------------------------------------------------------------------*/ ---- /dev/null -+++ b/net/uip-0.9/uip_arch.h -@@ -0,0 +1,130 @@ -+/** -+ * \defgroup uiparch Architecture specific uIP functions -+ * @{ -+ * -+ * The functions in the architecture specific module implement the IP -+ * check sum and 32-bit additions. -+ * -+ * The IP checksum calculation is the most computationally expensive -+ * operation in the TCP/IP stack and it therefore pays off to -+ * implement this in efficient assembler. The purpose of the uip-arch -+ * module is to let the checksum functions to be implemented in -+ * architecture specific assembler. -+ * -+ */ -+ -+/** -+ * \file -+ * Declarations of architecture specific functions. -+ * \author Adam Dunkels <adam@dunkels.com> -+ */ -+ -+/* -+ * Copyright (c) 2001, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uip_arch.h,v 1.1.2.2 2003/10/06 15:10:22 adam Exp $ -+ * -+ */ -+ -+#ifndef __UIP_ARCH_H__ -+#define __UIP_ARCH_H__ -+ -+#include "uip.h" -+ -+/** -+ * Carry out a 32-bit addition. -+ * -+ * Because not all architectures for which uIP is intended has native -+ * 32-bit arithmetic, uIP uses an external C function for doing the -+ * required 32-bit additions in the TCP protocol processing. This -+ * function should add the two arguments and place the result in the -+ * global variable uip_acc32. -+ * -+ * \note The 32-bit integer pointed to by the op32 parameter and the -+ * result in the uip_acc32 variable are in network byte order (big -+ * endian). -+ * -+ * \param op32 A pointer to a 4-byte array representing a 32-bit -+ * integer in network byte order (big endian). -+ * -+ * \param op16 A 16-bit integer in host byte order. -+ */ -+void uip_add32(u8_t *op32, u16_t op16); -+ -+/** -+ * Calculate the Internet checksum over a buffer. -+ * -+ * The Internet checksum is the one's complement of the one's -+ * complement sum of all 16-bit words in the buffer. -+ * -+ * See RFC1071. -+ * -+ * \note This function is not called in the current version of uIP, -+ * but future versions might make use of it. -+ * -+ * \param buf A pointer to the buffer over which the checksum is to be -+ * computed. -+ * -+ * \param len The length of the buffer over which the checksum is to -+ * be computed. -+ * -+ * \return The Internet checksum of the buffer. -+ */ -+u16_t uip_chksum(u16_t *buf, u16_t len); -+ -+/** -+ * Calculate the IP header checksum of the packet header in uip_buf. -+ * -+ * The IP header checksum is the Internet checksum of the 20 bytes of -+ * the IP header. -+ * -+ * \return The IP header checksum of the IP header in the uip_buf -+ * buffer. -+ */ -+u16_t uip_ipchksum(void); -+ -+/** -+ * Calculate the TCP checksum of the packet in uip_buf and uip_appdata. -+ * -+ * The TCP checksum is the Internet checksum of data contents of the -+ * TCP segment, and a pseudo-header as defined in RFC793. -+ * -+ * \note The uip_appdata pointer that points to the packet data may -+ * point anywhere in memory, so it is not possible to simply calculate -+ * the Internet checksum of the contents of the uip_buf buffer. -+ * -+ * \return The TCP checksum of the TCP segment in uip_buf and pointed -+ * to by uip_appdata. -+ */ -+u16_t uip_tcpchksum(void); -+ -+/** @} */ -+ -+#endif /* __UIP_ARCH_H__ */ ---- /dev/null -+++ b/net/uip-0.9/uip_arp.c -@@ -0,0 +1,421 @@ -+/** -+ * \addtogroup uip -+ * @{ -+ */ -+ -+/** -+ * \defgroup uiparp uIP Address Resolution Protocol -+ * @{ -+ * -+ * The Address Resolution Protocol ARP is used for mapping between IP -+ * addresses and link level addresses such as the Ethernet MAC -+ * addresses. ARP uses broadcast queries to ask for the link level -+ * address of a known IP address and the host which is configured with -+ * the IP address for which the query was meant, will respond with its -+ * link level address. -+ * -+ * \note This ARP implementation only supports Ethernet. -+ */ -+ -+/** -+ * \file -+ * Implementation of the ARP Address Resolution Protocol. -+ * \author Adam Dunkels <adam@dunkels.com> -+ * -+ */ -+ -+/* -+ * Copyright (c) 2001-2003, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uip_arp.c,v 1.7.2.3 2003/10/06 22:42:30 adam Exp $ -+ * -+ */ -+ -+ -+#include "uip_arp.h" -+ -+struct arp_hdr { -+ struct uip_eth_hdr ethhdr; -+ u16_t hwtype; -+ u16_t protocol; -+ u8_t hwlen; -+ u8_t protolen; -+ u16_t opcode; -+ struct uip_eth_addr shwaddr; -+ u16_t sipaddr[2]; -+ struct uip_eth_addr dhwaddr; -+ u16_t dipaddr[2]; -+}; -+ -+struct ethip_hdr { -+ struct uip_eth_hdr ethhdr; -+ /* IP header. */ -+ u8_t vhl, -+ tos, -+ len[2], -+ ipid[2], -+ ipoffset[2], -+ ttl, -+ proto; -+ u16_t ipchksum; -+ u16_t srcipaddr[2], -+ destipaddr[2]; -+}; -+ -+#define ARP_REQUEST 1 -+#define ARP_REPLY 2 -+ -+#define ARP_HWTYPE_ETH 1 -+ -+struct arp_entry { -+ u16_t ipaddr[2]; -+ struct uip_eth_addr ethaddr; -+ u8_t time; -+}; -+ -+struct uip_eth_addr uip_ethaddr = {{UIP_ETHADDR0, -+ UIP_ETHADDR1, -+ UIP_ETHADDR2, -+ UIP_ETHADDR3, -+ UIP_ETHADDR4, -+ UIP_ETHADDR5}}; -+ -+static struct arp_entry arp_table[UIP_ARPTAB_SIZE]; -+static u16_t ipaddr[2]; -+static u8_t i, c; -+ -+static u8_t arptime; -+static u8_t tmpage; -+ -+#define BUF ((struct arp_hdr *)&uip_buf[0]) -+#define IPBUF ((struct ethip_hdr *)&uip_buf[0]) -+/*-----------------------------------------------------------------------------------*/ -+/** -+ * Initialize the ARP module. -+ * -+ */ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_arp_init(void) -+{ -+ for(i = 0; i < UIP_ARPTAB_SIZE; ++i) { -+ memset(arp_table[i].ipaddr, 0, 4); -+ } -+} -+/*-----------------------------------------------------------------------------------*/ -+/** -+ * Periodic ARP processing function. -+ * -+ * This function performs periodic timer processing in the ARP module -+ * and should be called at regular intervals. The recommended interval -+ * is 10 seconds between the calls. -+ * -+ */ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_arp_timer(void) -+{ -+ struct arp_entry *tabptr; -+ -+ ++arptime; -+ for(i = 0; i < UIP_ARPTAB_SIZE; ++i) { -+ tabptr = &arp_table[i]; -+ if((tabptr->ipaddr[0] | tabptr->ipaddr[1]) != 0 && -+ arptime - tabptr->time >= UIP_ARP_MAXAGE) { -+ memset(tabptr->ipaddr, 0, 4); -+ } -+ } -+ -+} -+/*-----------------------------------------------------------------------------------*/ -+static void -+uip_arp_update(u16_t *ipaddr, struct uip_eth_addr *ethaddr) -+{ -+ register struct arp_entry *tabptr = 0; -+ /* Walk through the ARP mapping table and try to find an entry to -+ update. If none is found, the IP -> MAC address mapping is -+ inserted in the ARP table. */ -+ for(i = 0; i < UIP_ARPTAB_SIZE; ++i) { -+ -+ tabptr = &arp_table[i]; -+ /* Only check those entries that are actually in use. */ -+ if(tabptr->ipaddr[0] != 0 && -+ tabptr->ipaddr[1] != 0) { -+ -+ /* Check if the source IP address of the incoming packet matches -+ the IP address in this ARP table entry. */ -+ if(ipaddr[0] == tabptr->ipaddr[0] && -+ ipaddr[1] == tabptr->ipaddr[1]) { -+ -+ /* An old entry found, update this and return. */ -+ memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6); -+ tabptr->time = arptime; -+ -+ return; -+ } -+ } -+ } -+ -+ /* If we get here, no existing ARP table entry was found, so we -+ create one. */ -+ -+ /* First, we try to find an unused entry in the ARP table. */ -+ for(i = 0; i < UIP_ARPTAB_SIZE; ++i) { -+ tabptr = &arp_table[i]; -+ if(tabptr->ipaddr[0] == 0 && -+ tabptr->ipaddr[1] == 0) { -+ break; -+ } -+ } -+ -+ /* If no unused entry is found, we try to find the oldest entry and -+ throw it away. */ -+ if(i == UIP_ARPTAB_SIZE) { -+ tmpage = 0; -+ c = 0; -+ for(i = 0; i < UIP_ARPTAB_SIZE; ++i) { -+ tabptr = &arp_table[i]; -+ if(arptime - tabptr->time > tmpage) { -+ tmpage = arptime - tabptr->time; -+ c = i; -+ } -+ } -+ i = c; -+ } -+ -+ /* Now, i is the ARP table entry which we will fill with the new -+ information. */ -+ memcpy(tabptr->ipaddr, ipaddr, 4); -+ memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6); -+ tabptr->time = arptime; -+} -+/*-----------------------------------------------------------------------------------*/ -+/** -+ * ARP processing for incoming IP packets -+ * -+ * This function should be called by the device driver when an IP -+ * packet has been received. The function will check if the address is -+ * in the ARP cache, and if so the ARP cache entry will be -+ * refreshed. If no ARP cache entry was found, a new one is created. -+ * -+ * This function expects an IP packet with a prepended Ethernet header -+ * in the uip_buf[] buffer, and the length of the packet in the global -+ * variable uip_len. -+ */ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_arp_ipin(void) -+{ -+ uip_len -= sizeof(struct uip_eth_hdr); -+ -+ /* Only insert/update an entry if the source IP address of the -+ incoming IP packet comes from a host on the local network. */ -+ if((IPBUF->srcipaddr[0] & uip_arp_netmask[0]) != -+ (uip_hostaddr[0] & uip_arp_netmask[0])) { -+ return; -+ } -+ if((IPBUF->srcipaddr[1] & uip_arp_netmask[1]) != -+ (uip_hostaddr[1] & uip_arp_netmask[1])) { -+ return; -+ } -+ uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src)); -+ -+ return; -+} -+/*-----------------------------------------------------------------------------------*/ -+/** -+ * ARP processing for incoming ARP packets. -+ * -+ * This function should be called by the device driver when an ARP -+ * packet has been received. The function will act differently -+ * depending on the ARP packet type: if it is a reply for a request -+ * that we previously sent out, the ARP cache will be filled in with -+ * the values from the ARP reply. If the incoming ARP packet is an ARP -+ * request for our IP address, an ARP reply packet is created and put -+ * into the uip_buf[] buffer. -+ * -+ * When the function returns, the value of the global variable uip_len -+ * indicates whether the device driver should send out a packet or -+ * not. If uip_len is zero, no packet should be sent. If uip_len is -+ * non-zero, it contains the length of the outbound packet that is -+ * present in the uip_buf[] buffer. -+ * -+ * This function expects an ARP packet with a prepended Ethernet -+ * header in the uip_buf[] buffer, and the length of the packet in the -+ * global variable uip_len. -+ */ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_arp_arpin(void) -+{ -+ -+ if(uip_len < sizeof(struct arp_hdr)) { -+ uip_len = 0; -+ return; -+ } -+ -+ uip_len = 0; -+ -+ switch(BUF->opcode) { -+ case HTONS(ARP_REQUEST): -+ /* ARP request. If it asked for our address, we send out a -+ reply. */ -+ if(BUF->dipaddr[0] == uip_hostaddr[0] && -+ BUF->dipaddr[1] == uip_hostaddr[1]) { -+ /* The reply opcode is 2. */ -+ BUF->opcode = HTONS(2); -+ -+ memcpy(BUF->dhwaddr.addr, BUF->shwaddr.addr, 6); -+ memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6); -+ memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6); -+ memcpy(BUF->ethhdr.dest.addr, BUF->dhwaddr.addr, 6); -+ -+ BUF->dipaddr[0] = BUF->sipaddr[0]; -+ BUF->dipaddr[1] = BUF->sipaddr[1]; -+ BUF->sipaddr[0] = uip_hostaddr[0]; -+ BUF->sipaddr[1] = uip_hostaddr[1]; -+ -+ BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP); -+ uip_len = sizeof(struct arp_hdr); -+ } -+ break; -+ case HTONS(ARP_REPLY): -+ /* ARP reply. We insert or update the ARP table if it was meant -+ for us. */ -+ if(BUF->dipaddr[0] == uip_hostaddr[0] && -+ BUF->dipaddr[1] == uip_hostaddr[1]) { -+ -+ uip_arp_update(BUF->sipaddr, &BUF->shwaddr); -+ } -+ break; -+ } -+ -+ return; -+} -+/*-----------------------------------------------------------------------------------*/ -+/** -+ * Prepend Ethernet header to an outbound IP packet and see if we need -+ * to send out an ARP request. -+ * -+ * This function should be called before sending out an IP packet. The -+ * function checks the destination IP address of the IP packet to see -+ * what Ethernet MAC address that should be used as a destination MAC -+ * address on the Ethernet. -+ * -+ * If the destination IP address is in the local network (determined -+ * by logical ANDing of netmask and our IP address), the function -+ * checks the ARP cache to see if an entry for the destination IP -+ * address is found. If so, an Ethernet header is prepended and the -+ * function returns. If no ARP cache entry is found for the -+ * destination IP address, the packet in the uip_buf[] is replaced by -+ * an ARP request packet for the IP address. The IP packet is dropped -+ * and it is assumed that they higher level protocols (e.g., TCP) -+ * eventually will retransmit the dropped packet. -+ * -+ * If the destination IP address is not on the local network, the IP -+ * address of the default router is used instead. -+ * -+ * When the function returns, a packet is present in the uip_buf[] -+ * buffer, and the length of the packet is in the global variable -+ * uip_len. -+ */ -+/*-----------------------------------------------------------------------------------*/ -+void -+uip_arp_out(void) -+{ -+ struct arp_entry *tabptr = 0; -+ /* Find the destination IP address in the ARP table and construct -+ the Ethernet header. If the destination IP addres isn't on the -+ local network, we use the default router's IP address instead. -+ -+ If not ARP table entry is found, we overwrite the original IP -+ packet with an ARP request for the IP address. */ -+ -+ /* Check if the destination address is on the local network. */ -+ if((IPBUF->destipaddr[0] & uip_arp_netmask[0]) != -+ (uip_hostaddr[0] & uip_arp_netmask[0]) || -+ (IPBUF->destipaddr[1] & uip_arp_netmask[1]) != -+ (uip_hostaddr[1] & uip_arp_netmask[1])) { -+ /* Destination address was not on the local network, so we need to -+ use the default router's IP address instead of the destination -+ address when determining the MAC address. */ -+ ipaddr[0] = uip_arp_draddr[0]; -+ ipaddr[1] = uip_arp_draddr[1]; -+ } else { -+ /* Else, we use the destination IP address. */ -+ ipaddr[0] = IPBUF->destipaddr[0]; -+ ipaddr[1] = IPBUF->destipaddr[1]; -+ } -+ -+ for(i = 0; i < UIP_ARPTAB_SIZE; ++i) { -+ tabptr = &arp_table[i]; -+ if(ipaddr[0] == tabptr->ipaddr[0] && -+ ipaddr[1] == tabptr->ipaddr[1]) -+ break; -+ } -+ -+ if(i == UIP_ARPTAB_SIZE) { -+ /* The destination address was not in our ARP table, so we -+ overwrite the IP packet with an ARP request. */ -+ -+ memset(BUF->ethhdr.dest.addr, 0xff, 6); -+ memset(BUF->dhwaddr.addr, 0x00, 6); -+ memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6); -+ memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6); -+ -+ BUF->dipaddr[0] = ipaddr[0]; -+ BUF->dipaddr[1] = ipaddr[1]; -+ BUF->sipaddr[0] = uip_hostaddr[0]; -+ BUF->sipaddr[1] = uip_hostaddr[1]; -+ BUF->opcode = HTONS(ARP_REQUEST); /* ARP request. */ -+ BUF->hwtype = HTONS(ARP_HWTYPE_ETH); -+ BUF->protocol = HTONS(UIP_ETHTYPE_IP); -+ BUF->hwlen = 6; -+ BUF->protolen = 4; -+ BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP); -+ -+ uip_appdata = &uip_buf[40 + UIP_LLH_LEN]; -+ -+ uip_len = sizeof(struct arp_hdr); -+ return; -+ } -+ -+ /* Build an ethernet header. */ -+ memcpy(IPBUF->ethhdr.dest.addr, tabptr->ethaddr.addr, 6); -+ memcpy(IPBUF->ethhdr.src.addr, uip_ethaddr.addr, 6); -+ -+ IPBUF->ethhdr.type = HTONS(UIP_ETHTYPE_IP); -+ -+ uip_len += sizeof(struct uip_eth_hdr); -+} -+/*-----------------------------------------------------------------------------------*/ -+ -+/** @} */ -+/** @} */ ---- /dev/null -+++ b/net/uip-0.9/uip_arp.h -@@ -0,0 +1,201 @@ -+/** -+ * \addtogroup uip -+ * @{ -+ */ -+ -+/** -+ * \addtogroup uiparp -+ * @{ -+ */ -+ -+/** -+ * \file -+ * Macros and definitions for the ARP module. -+ * \author Adam Dunkels <adam@dunkels.com> -+ */ -+ -+ -+/* -+ * Copyright (c) 2001-2003, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uip_arp.h,v 1.3.2.2 2003/10/06 15:10:22 adam Exp $ -+ * -+ */ -+ -+#ifndef __UIP_ARP_H__ -+#define __UIP_ARP_H__ -+ -+#include "uip.h" -+ -+ -+/** -+ * Representation of a 48-bit Ethernet address. -+ */ -+struct uip_eth_addr { -+ u8_t addr[6]; -+}; -+ -+extern struct uip_eth_addr uip_ethaddr; -+ -+/** -+ * The Ethernet header. -+ */ -+struct uip_eth_hdr { -+ struct uip_eth_addr dest; -+ struct uip_eth_addr src; -+ u16_t type; -+}; -+ -+#define UIP_ETHTYPE_ARP 0x0806 -+#define UIP_ETHTYPE_IP 0x0800 -+#define UIP_ETHTYPE_IP6 0x86dd -+ -+ -+/* The uip_arp_init() function must be called before any of the other -+ ARP functions. */ -+void uip_arp_init(void); -+ -+/* The uip_arp_ipin() function should be called whenever an IP packet -+ arrives from the Ethernet. This function refreshes the ARP table or -+ inserts a new mapping if none exists. The function assumes that an -+ IP packet with an Ethernet header is present in the uip_buf buffer -+ and that the length of the packet is in the uip_len variable. */ -+void uip_arp_ipin(void); -+ -+/* The uip_arp_arpin() should be called when an ARP packet is received -+ by the Ethernet driver. This function also assumes that the -+ Ethernet frame is present in the uip_buf buffer. When the -+ uip_arp_arpin() function returns, the contents of the uip_buf -+ buffer should be sent out on the Ethernet if the uip_len variable -+ is > 0. */ -+void uip_arp_arpin(void); -+ -+/* The uip_arp_out() function should be called when an IP packet -+ should be sent out on the Ethernet. This function creates an -+ Ethernet header before the IP header in the uip_buf buffer. The -+ Ethernet header will have the correct Ethernet MAC destination -+ address filled in if an ARP table entry for the destination IP -+ address (or the IP address of the default router) is present. If no -+ such table entry is found, the IP packet is overwritten with an ARP -+ request and we rely on TCP to retransmit the packet that was -+ overwritten. In any case, the uip_len variable holds the length of -+ the Ethernet frame that should be transmitted. */ -+void uip_arp_out(void); -+ -+/* The uip_arp_timer() function should be called every ten seconds. It -+ is responsible for flushing old entries in the ARP table. */ -+void uip_arp_timer(void); -+ -+/** @} */ -+ -+/** -+ * \addtogroup uipconffunc -+ * @{ -+ */ -+ -+/** -+ * Set the default router's IP address. -+ * -+ * \param addr A pointer to a 4-byte array containing the IP address -+ * of the default router. -+ * -+ * \hideinitializer -+ */ -+#define uip_setdraddr(addr) do { uip_arp_draddr[0] = addr[0]; \ -+ uip_arp_draddr[1] = addr[1]; } while(0) -+ -+/** -+ * Set the netmask. -+ * -+ * \param addr A pointer to a 4-byte array containing the IP address -+ * of the netmask. -+ * -+ * \hideinitializer -+ */ -+#define uip_setnetmask(addr) do { uip_arp_netmask[0] = addr[0]; \ -+ uip_arp_netmask[1] = addr[1]; } while(0) -+ -+ -+/** -+ * Get the default router's IP address. -+ * -+ * \param addr A pointer to a 4-byte array that will be filled in with -+ * the IP address of the default router. -+ * -+ * \hideinitializer -+ */ -+#define uip_getdraddr(addr) do { addr[0] = uip_arp_draddr[0]; \ -+ addr[1] = uip_arp_draddr[1]; } while(0) -+ -+/** -+ * Get the netmask. -+ * -+ * \param addr A pointer to a 4-byte array that will be filled in with -+ * the value of the netmask. -+ * -+ * \hideinitializer -+ */ -+#define uip_getnetmask(addr) do { addr[0] = uip_arp_netmask[0]; \ -+ addr[1] = uip_arp_netmask[1]; } while(0) -+ -+ -+/** -+ * Specifiy the Ethernet MAC address. -+ * -+ * The ARP code needs to know the MAC address of the Ethernet card in -+ * order to be able to respond to ARP queries and to generate working -+ * Ethernet headers. -+ * -+ * \note This macro only specifies the Ethernet MAC address to the ARP -+ * code. It cannot be used to change the MAC address of the Ethernet -+ * card. -+ * -+ * \param eaddr A pointer to a struct uip_eth_addr containing the -+ * Ethernet MAC address of the Ethernet card. -+ * -+ * \hideinitializer -+ */ -+#define uip_setethaddr(eaddr) do {uip_ethaddr.addr[0] = eaddr.addr[0]; \ -+ uip_ethaddr.addr[1] = eaddr.addr[1];\ -+ uip_ethaddr.addr[2] = eaddr.addr[2];\ -+ uip_ethaddr.addr[3] = eaddr.addr[3];\ -+ uip_ethaddr.addr[4] = eaddr.addr[4];\ -+ uip_ethaddr.addr[5] = eaddr.addr[5];} while(0) -+ -+/** @} */ -+ -+/** -+ * \internal Internal variables that are set using the macros -+ * uip_setdraddr and uip_setnetmask. -+ */ -+extern u16_t uip_arp_draddr[2], uip_arp_netmask[2]; -+#endif /* __UIP_ARP_H__ */ -+ -+ ---- /dev/null -+++ b/net/uip-0.9/uipopt.h -@@ -0,0 +1,557 @@ -+/** -+ * \defgroup uipopt Configuration options for uIP -+ * @{ -+ * -+ * uIP is configured using the per-project configuration file -+ * "uipopt.h". This file contains all compile-time options for uIP and -+ * should be tweaked to match each specific project. The uIP -+ * distribution contains a documented example "uipopt.h" that can be -+ * copied and modified for each project. -+ */ -+ -+/** -+ * \file -+ * Configuration options for uIP. -+ * \author Adam Dunkels <adam@dunkels.com> -+ * -+ * This file is used for tweaking various configuration options for -+ * uIP. You should make a copy of this file into one of your project's -+ * directories instead of editing this example "uipopt.h" file that -+ * comes with the uIP distribution. -+ */ -+ -+/* -+ * Copyright (c) 2001-2003, Adam Dunkels. -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The name of the author may not be used to endorse or promote -+ * products derived from this software without specific prior -+ * written permission. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. -+ * -+ * This file is part of the uIP TCP/IP stack. -+ * -+ * $Id: uipopt.h,v 1.16.2.5 2003/10/07 13:22:51 adam Exp $ -+ * -+ */ -+ -+#ifndef __UIPOPT_H__ -+#define __UIPOPT_H__ -+ -+/*------------------------------------------------------------------------------*/ -+/** -+ * \defgroup uipopttypedef uIP type definitions -+ * @{ -+ */ -+ -+/** -+ * The 8-bit unsigned data type. -+ * -+ * This may have to be tweaked for your particular compiler. "unsigned -+ * char" works for most compilers. -+ */ -+typedef unsigned char u8_t; -+ -+/** -+ * The 16-bit unsigned data type. -+ * -+ * This may have to be tweaked for your particular compiler. "unsigned -+ * short" works for most compilers. -+ */ -+typedef unsigned short u16_t; -+ -+/** -+ * The statistics data type. -+ * -+ * This datatype determines how high the statistics counters are able -+ * to count. -+ */ -+typedef unsigned short uip_stats_t; -+ -+/** @} */ -+ -+/*------------------------------------------------------------------------------*/ -+ -+/** -+ * \defgroup uipoptstaticconf Static configuration options -+ * @{ -+ * -+ * These configuration options can be used for setting the IP address -+ * settings statically, but only if UIP_FIXEDADDR is set to 1. The -+ * configuration options for a specific node includes IP address, -+ * netmask and default router as well as the Ethernet address. The -+ * netmask, default router and Ethernet address are appliciable only -+ * if uIP should be run over Ethernet. -+ * -+ * All of these should be changed to suit your project. -+*/ -+ -+/** -+ * Determines if uIP should use a fixed IP address or not. -+ * -+ * If uIP should use a fixed IP address, the settings are set in the -+ * uipopt.h file. If not, the macros uip_sethostaddr(), -+ * uip_setdraddr() and uip_setnetmask() should be used instead. -+ * -+ * \hideinitializer -+ */ -+#define UIP_FIXEDADDR 0 -+ -+/** -+ * Ping IP address asignment. -+ * -+ * uIP uses a "ping" packets for setting its own IP address if this -+ * option is set. If so, uIP will start with an empty IP address and -+ * the destination IP address of the first incoming "ping" (ICMP echo) -+ * packet will be used for setting the hosts IP address. -+ * -+ * \note This works only if UIP_FIXEDADDR is 0. -+ * -+ * \hideinitializer -+ */ -+#define UIP_PINGADDRCONF 0 -+ -+#define UIP_IPADDR0 192 /**< The first octet of the IP address of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_IPADDR1 168 /**< The second octet of the IP address of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_IPADDR2 0 /**< The third octet of the IP address of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_IPADDR3 250 /**< The fourth octet of the IP address of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+ -+#define UIP_NETMASK0 255 /**< The first octet of the netmask of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_NETMASK1 255 /**< The second octet of the netmask of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_NETMASK2 255 /**< The third octet of the netmask of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_NETMASK3 0 /**< The fourth octet of the netmask of -+ this uIP node, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+ -+#define UIP_DRIPADDR0 192 /**< The first octet of the IP address of -+ the default router, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_DRIPADDR1 168 /**< The second octet of the IP address of -+ the default router, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_DRIPADDR2 0 /**< The third octet of the IP address of -+ the default router, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+#define UIP_DRIPADDR3 1 /**< The fourth octet of the IP address of -+ the default router, if UIP_FIXEDADDR is -+ 1. \hideinitializer */ -+ -+/** -+ * Specifies if the uIP ARP module should be compiled with a fixed -+ * Ethernet MAC address or not. -+ * -+ * If this configuration option is 0, the macro uip_setethaddr() can -+ * be used to specify the Ethernet address at run-time. -+ * -+ * \hideinitializer -+ */ -+#define UIP_FIXEDETHADDR 0 -+ -+#define UIP_ETHADDR0 0x00 /**< The first octet of the Ethernet -+ address if UIP_FIXEDETHADDR is -+ 1. \hideinitializer */ -+#define UIP_ETHADDR1 0xbd /**< The second octet of the Ethernet -+ address if UIP_FIXEDETHADDR is -+ 1. \hideinitializer */ -+#define UIP_ETHADDR2 0x3b /**< The third octet of the Ethernet -+ address if UIP_FIXEDETHADDR is -+ 1. \hideinitializer */ -+#define UIP_ETHADDR3 0x33 /**< The fourth octet of the Ethernet -+ address if UIP_FIXEDETHADDR is -+ 1. \hideinitializer */ -+#define UIP_ETHADDR4 0x05 /**< The fifth octet of the Ethernet -+ address if UIP_FIXEDETHADDR is -+ 1. \hideinitializer */ -+#define UIP_ETHADDR5 0x71 /**< The sixth octet of the Ethernet -+ address if UIP_FIXEDETHADDR is -+ 1. \hideinitializer */ -+ -+/** @} */ -+/*------------------------------------------------------------------------------*/ -+/** -+ * \defgroup uipoptip IP configuration options -+ * @{ -+ * -+ */ -+/** -+ * The IP TTL (time to live) of IP packets sent by uIP. -+ * -+ * This should normally not be changed. -+ */ -+#define UIP_TTL 255 -+ -+/** -+ * Turn on support for IP packet reassembly. -+ * -+ * uIP supports reassembly of fragmented IP packets. This features -+ * requires an additonal amount of RAM to hold the reassembly buffer -+ * and the reassembly code size is approximately 700 bytes. The -+ * reassembly buffer is of the same size as the uip_buf buffer -+ * (configured by UIP_BUFSIZE). -+ * -+ * \note IP packet reassembly is not heavily tested. -+ * -+ * \hideinitializer -+ */ -+#define UIP_REASSEMBLY 0 -+ -+/** -+ * The maximum time an IP fragment should wait in the reassembly -+ * buffer before it is dropped. -+ * -+ */ -+#define UIP_REASS_MAXAGE 40 -+ -+/** @} */ -+ -+/*------------------------------------------------------------------------------*/ -+/** -+ * \defgroup uipoptudp UDP configuration options -+ * @{ -+ * -+ * \note The UDP support in uIP is still not entirely complete; there -+ * is no support for sending or receiving broadcast or multicast -+ * packets, but it works well enough to support a number of vital -+ * applications such as DNS queries, though -+ */ -+ -+/** -+ * Toggles wether UDP support should be compiled in or not. -+ * -+ * \hideinitializer -+ */ -+#define UIP_UDP 0 -+ -+/** -+ * Toggles if UDP checksums should be used or not. -+ * -+ * \note Support for UDP checksums is currently not included in uIP, -+ * so this option has no function. -+ * -+ * \hideinitializer -+ */ -+#define UIP_UDP_CHECKSUMS 0 -+ -+/** -+ * The maximum amount of concurrent UDP connections. -+ * -+ * \hideinitializer -+ */ -+#define UIP_UDP_CONNS 10 -+ -+/** -+ * The name of the function that should be called when UDP datagrams arrive. -+ * -+ * \hideinitializer -+ */ -+#define UIP_UDP_APPCALL udp_appcall -+ -+/** @} */ -+/*------------------------------------------------------------------------------*/ -+/** -+ * \defgroup uipopttcp TCP configuration options -+ * @{ -+ */ -+ -+/** -+ * Determines if support for opening connections from uIP should be -+ * compiled in. -+ * -+ * If the applications that are running on top of uIP for this project -+ * do not need to open outgoing TCP connections, this configration -+ * option can be turned off to reduce the code size of uIP. -+ * -+ * \hideinitializer -+ */ -+#define UIP_ACTIVE_OPEN 1 -+ -+/** -+ * The maximum number of simultaneously open TCP connections. -+ * -+ * Since the TCP connections are statically allocated, turning this -+ * configuration knob down results in less RAM used. Each TCP -+ * connection requires approximatly 30 bytes of memory. -+ * -+ * \hideinitializer -+ */ -+#define UIP_CONNS 10 -+ -+/** -+ * The maximum number of simultaneously listening TCP ports. -+ * -+ * Each listening TCP port requires 2 bytes of memory. -+ * -+ * \hideinitializer -+ */ -+#define UIP_LISTENPORTS 10 -+ -+/** -+ * The size of the advertised receiver's window. -+ * -+ * Should be set low (i.e., to the size of the uip_buf buffer) is the -+ * application is slow to process incoming data, or high (32768 bytes) -+ * if the application processes data quickly. -+ * -+ * \hideinitializer -+ */ -+#define UIP_RECEIVE_WINDOW 32768 -+ -+/** -+ * Determines if support for TCP urgent data notification should be -+ * compiled in. -+ * -+ * Urgent data (out-of-band data) is a rarely used TCP feature that -+ * very seldom would be required. -+ * -+ * \hideinitializer -+ */ -+#define UIP_URGDATA 1 -+ -+/** -+ * The initial retransmission timeout counted in timer pulses. -+ * -+ * This should not be changed. -+ */ -+#define UIP_RTO 3 -+ -+/** -+ * The maximum number of times a segment should be retransmitted -+ * before the connection should be aborted. -+ * -+ * This should not be changed. -+ */ -+#define UIP_MAXRTX 8 -+ -+/** -+ * The maximum number of times a SYN segment should be retransmitted -+ * before a connection request should be deemed to have been -+ * unsuccessful. -+ * -+ * This should not need to be changed. -+ */ -+#define UIP_MAXSYNRTX 3 -+ -+/** -+ * The TCP maximum segment size. -+ * -+ * This is should not be to set to more than UIP_BUFSIZE - UIP_LLH_LEN - 40. -+ */ -+#define UIP_TCP_MSS (UIP_BUFSIZE - UIP_LLH_LEN - 40) -+ -+/** -+ * How long a connection should stay in the TIME_WAIT state. -+ * -+ * This configiration option has no real implication, and it should be -+ * left untouched. -+ */ -+#define UIP_TIME_WAIT_TIMEOUT 120 -+ -+ -+/** @} */ -+/*------------------------------------------------------------------------------*/ -+/** -+ * \defgroup uipoptarp ARP configuration options -+ * @{ -+ */ -+ -+/** -+ * The size of the ARP table. -+ * -+ * This option should be set to a larger value if this uIP node will -+ * have many connections from the local network. -+ * -+ * \hideinitializer -+ */ -+#define UIP_ARPTAB_SIZE 8 -+ -+/** -+ * The maxium age of ARP table entries measured in 10ths of seconds. -+ * -+ * An UIP_ARP_MAXAGE of 120 corresponds to 20 minutes (BSD -+ * default). -+ */ -+#define UIP_ARP_MAXAGE 120 -+ -+/** @} */ -+ -+/*------------------------------------------------------------------------------*/ -+ -+/** -+ * \defgroup uipoptgeneral General configuration options -+ * @{ -+ */ -+ -+/** -+ * The size of the uIP packet buffer. -+ * -+ * The uIP packet buffer should not be smaller than 60 bytes, and does -+ * not need to be larger than 1500 bytes. Lower size results in lower -+ * TCP throughput, larger size results in higher TCP throughput. -+ * -+ * \hideinitializer -+ */ -+#define UIP_BUFSIZE 1500 -+ -+ -+/** -+ * Determines if statistics support should be compiled in. -+ * -+ * The statistics is useful for debugging and to show the user. -+ * -+ * \hideinitializer -+ */ -+#define UIP_STATISTICS 1 -+ -+/** -+ * Determines if logging of certain events should be compiled in. -+ * -+ * This is useful mostly for debugging. The function uip_log() -+ * must be implemented to suit the architecture of the project, if -+ * logging is turned on. -+ * -+ * \hideinitializer -+ */ -+#define UIP_LOGGING 0 -+ -+/** -+ * Print out a uIP log message. -+ * -+ * This function must be implemented by the module that uses uIP, and -+ * is called by uIP whenever a log message is generated. -+ */ -+void uip_log(char *msg); -+ -+/** -+ * The link level header length. -+ * -+ * This is the offset into the uip_buf where the IP header can be -+ * found. For Ethernet, this should be set to 14. For SLIP, this -+ * should be set to 0. -+ * -+ * \hideinitializer -+ */ -+#define UIP_LLH_LEN 14 -+ -+ -+/** @} */ -+/*------------------------------------------------------------------------------*/ -+/** -+ * \defgroup uipoptcpu CPU architecture configuration -+ * @{ -+ * -+ * The CPU architecture configuration is where the endianess of the -+ * CPU on which uIP is to be run is specified. Most CPUs today are -+ * little endian, and the most notable exception are the Motorolas -+ * which are big endian. The BYTE_ORDER macro should be changed to -+ * reflect the CPU architecture on which uIP is to be run. -+ */ -+#ifndef LITTLE_ENDIAN -+#define LITTLE_ENDIAN 3412 -+#endif /* LITTLE_ENDIAN */ -+#ifndef BIG_ENDIAN -+#define BIG_ENDIAN 1234 -+#endif /* BIGE_ENDIAN */ -+ -+/** -+ * The byte order of the CPU architecture on which uIP is to be run. -+ * -+ * This option can be either BIG_ENDIAN (Motorola byte order) or -+ * LITTLE_ENDIAN (Intel byte order). -+ * -+ * \hideinitializer -+ */ -+/*#ifndef BYTE_ORDER*/ -+#define BYTE_ORDER BIG_ENDIAN -+/*#endif*/ /* BYTE_ORDER */ -+ -+/** @} */ -+/*------------------------------------------------------------------------------*/ -+ -+/** -+ * \defgroup uipoptapp Appication specific configurations -+ * @{ -+ * -+ * An uIP application is implemented using a single application -+ * function that is called by uIP whenever a TCP/IP event occurs. The -+ * name of this function must be registered with uIP at compile time -+ * using the UIP_APPCALL definition. -+ * -+ * uIP applications can store the application state within the -+ * uip_conn structure by specifying the size of the application -+ * structure with the UIP_APPSTATE_SIZE macro. -+ * -+ * The file containing the definitions must be included in the -+ * uipopt.h file. -+ * -+ * The following example illustrates how this can look. -+ \code -+ -+void httpd_appcall(void); -+#define UIP_APPCALL httpd_appcall -+ -+struct httpd_state { -+ u8_t state; -+ u16_t count; -+ char *dataptr; -+ char *script; -+}; -+#define UIP_APPSTATE_SIZE (sizeof(struct httpd_state)) -+ \endcode -+ */ -+ -+/** -+ * \var #define UIP_APPCALL -+ * -+ * The name of the application function that uIP should call in -+ * response to TCP/IP events. -+ * -+ */ -+ -+/** -+ * \var #define UIP_APPSTATE_SIZE -+ * -+ * The size of the application state that is to be stored in the -+ * uip_conn structure. -+ */ -+/** @} */ -+ -+/* Include the header file for the application program that should be -+ used. If you don't use the example web server, you should change -+ this. */ -+#include "httpd.h" -+ -+ -+#endif /* __UIPOPT_H__ */ ---- a/board/infineon/easy50712/danube.c -+++ b/board/infineon/easy50712/danube.c -@@ -354,7 +354,7 @@ int do_http_upgrade(const unsigned char - } - /* write the image to the flash */ - puts("http ugrade ...\n"); -- sprintf(buf, "era ${kernel_addr} +0x%x; cp.b ${ram_addr} ${kernel_addr} 0x%x", size, size); -+ sprintf(buf, "era ${kernel_addr} +0x%lx; cp.b ${ram_addr} ${kernel_addr} 0x%lx", size, size); - return run_command(buf, 0); - } - ---- a/common/main.c -+++ b/common/main.c -@@ -273,6 +273,8 @@ static __inline__ int abortboot(int boot - - void main_loop (void) - { -+ int ret; -+ - #ifndef CONFIG_SYS_HUSH_PARSER - static char lastcommand[CONFIG_SYS_CBSIZE] = { 0, }; - int len; -@@ -403,12 +407,22 @@ void main_loop (void) - # endif - - # ifndef CONFIG_SYS_HUSH_PARSER -- run_command (s, 0); -+ ret = run_command (s, 0); - # else -- parse_string_outer(s, FLAG_PARSE_SEMICOLON | -+ ret = parse_string_outer(s, FLAG_PARSE_SEMICOLON | - FLAG_EXIT_FROM_LOOP); - # endif - -+# ifdef CONFIG_CMD_HTTPD -+ if (ret != 0) { -+ printf("Failed to execute bootcmd " -+ "(maybe invalid u-boot environment?), " -+ "starting httpd to update firmware...\n"); -+ NetLoopHttpd(); -+ } -+# endif -+ -+ - # ifdef CONFIG_AUTOBOOT_KEYED - disable_ctrlc(prev); /* restore Control C checking */ - # endif ---- a/include/configs/easy50712.h -+++ b/include/configs/easy50712.h -@@ -114,4 +114,7 @@ - - #define CONFIG_CMD_HTTPD /* enable upgrade via HTTPD */ - -+#define CONFIG_IPADDR 192.168.0.119 -+#define CONFIG_ETHADDR 00:01:02:03:04:05 -+ - #endif /* __CONFIG_H */ ---- a/lib_mips/time.c -+++ b/lib_mips/time.c -@@ -29,6 +29,8 @@ static unsigned long timestamp; - /* how many counter cycles in a jiffy */ - #define CYCLES_PER_JIFFY (CONFIG_SYS_MIPS_TIMER_FREQ + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ - -+unsigned long ifx_get_cpuclk(void); -+ - /* - * timer without interrupts - */ ---- a/net/httpd.c -+++ b/net/httpd.c -@@ -35,12 +35,14 @@ HttpdHandler (void) - } - } - -+#if 0 - static void - HttpdTimeout (void) - { - puts ("T "); - NetSetTimeout (TIMEOUT * 1000, HttpdTimeout); - } -+#endif - - void - HttpdStart (void) ---- a/net/net.c -+++ b/net/net.c -@@ -1966,7 +1966,7 @@ NetSendHttpd(void) - void - NetReceiveHttpd(volatile uchar * inpkt, int len) - { -- memcpy(uip_buf, inpkt, len); -+ memcpy(uip_buf, (const void *)inpkt, len); - uip_len = len; - if(BUF->type == htons(UIP_ETHTYPE_IP)) { - uip_arp_ipin(); -@@ -1989,6 +1989,7 @@ NetLoopHttpd(void) - unsigned long long tout = 0; - bd_t *bd = gd->bd; - unsigned short int ip[2]; -+ struct uip_eth_addr eaddr; - - #ifdef CONFIG_NET_MULTI - NetRestarted = 0; -@@ -2039,6 +2040,15 @@ restart: - eth_getenv_enetaddr("ethaddr", NetOurEther); - #endif - -+ eaddr.addr[0] = NetOurEther[0]; -+ eaddr.addr[1] = NetOurEther[1]; -+ eaddr.addr[2] = NetOurEther[2]; -+ eaddr.addr[3] = NetOurEther[3]; -+ eaddr.addr[4] = NetOurEther[4]; -+ eaddr.addr[5] = NetOurEther[5]; -+ -+ uip_setethaddr(eaddr); -+ - NetCopyIP(&NetOurIP, &bd->bi_ip_addr); - NetOurGatewayIP = getenv_IPaddr ("gatewayip"); - NetOurSubnetMask= getenv_IPaddr ("netmask"); -@@ -2072,6 +2082,14 @@ restart: - tout = t1; - } - } -+ -+ if (ctrlc()) { -+ eth_halt(); -+ puts ("\nAbort\n"); -+ return (-1); -+ } -+ -+ - if(!httpd_upload_complete) - continue; - printf("Bytes transferred = %ld (%lx hex)\n", ---- a/net/uip-0.9/fsdata.c -+++ b/net/uip-0.9/fsdata.c -@@ -1,199 +1,108 @@ --static const char data_flashing_html[] = { -- /* /flashing.html */ -- 0x2f, 0x66, 0x6c, 0x61, 0x73, 0x68, 0x69, 0x6e, 0x67, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0, -- 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, -- 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, -- 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x30, -- 0x2e, 0x39, 0x20, 0x28, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, -- 0x2f, 0x64, 0x75, 0x6e, 0x6b, 0x65, 0x6c, 0x73, 0x2e, 0x63, -- 0x6f, 0x6d, 0x2f, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, -- 0x70, 0x2f, 0x29, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x74, 0x65, -- 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, -- 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0xd, 0xa, -- 0xd, 0xa, 0x3c, 0x68, 0x74, 0x6d, 0x6c, 0x3e, 0x3c, 0x62, -- 0x6f, 0x64, 0x79, 0x20, 0x73, 0x74, 0x79, 0x6c, 0x65, 0x3d, -- 0x22, 0x6d, 0x61, 0x72, 0x67, 0x69, 0x6e, 0x3a, 0x20, 0x30, -- 0x70, 0x74, 0x20, 0x61, 0x75, 0x74, 0x6f, 0x3b, 0x20, 0x68, -- 0x65, 0x69, 0x67, 0x68, 0x74, 0x3a, 0x31, 0x30, 0x30, 0x25, -- 0x3b, 0x20, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x3a, 0x20, 0x23, -- 0x66, 0x66, 0x66, 0x3b, 0x20, 0x62, 0x61, 0x63, 0x6b, 0x67, -- 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x2d, 0x63, 0x6f, 0x6c, 0x6f, -- 0x72, 0x3a, 0x20, 0x23, 0x66, 0x62, 0x62, 0x30, 0x33, 0x34, -- 0x3b, 0x22, 0x3e, 0x3c, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, -- 0x3e, 0x3c, 0x68, 0x31, 0x3e, 0x55, 0x70, 0x67, 0x72, 0x61, -- 0x64, 0x69, 0x6e, 0x67, 0x20, 0x73, 0x79, 0x73, 0x74, 0x65, -- 0x6d, 0x20, 0x2e, 0x2e, 0x2e, 0x2e, 0x3c, 0x2f, 0x68, 0x31, -- 0x3e, 0x3c, 0x2f, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, 0x3e, -- 0x3c, 0x2f, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x3c, 0x2f, 0x68, -- 0x74, 0x6d, 0x6c, 0x3e, 0xa, }; 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-- --const struct fsdata_file file_flashing_html[] = {{NULL, data_flashing_html, data_flashing_html + 15, sizeof(data_flashing_html) - 15}}; -+static const char data_flashing_html[] = -+"HTTP/1.0 200 OK\n" -+"Server: uIP/0.9 (http://dunkels.com/adam/uip/)\n" -+"Content-type: text/html\n" -+"\n" -+"<html>\n" -+"\t<head>\n" -+"\t\t<title>\n" -+"\t\t\tFailsafe UI\n" -+"\t\t</title>\n" -+"\t</head>\n" -+"\t<body>\n" -+"\t\t<center><h1>Upgrading system...</h1></center>\n" -+"\t</body>\n" -+"</html>\n"; -+ -+static const char data_fail_html[] = -+"HTTP/1.0 200 OK\n" -+"Server: uIP/0.9 (http://dunkels.com/adam/uip/)\n" -+"Content-type: text/html\n" -+"\n" -+"<html>\n" -+"\t<head>\n" -+"\t\t<title>\n" -+"\t\t\tFailsafe UI\n" -+"\t\t</title>\n" -+"\t</head>\n" -+"\t<body>\n" -+"\t\t<h1>Flashing failed</h1>\n" -+"\t\tERROR - the image you uploaded failed to pass verification.<br>\n" -+"\t\tPlease make sure to use an official update provided by http://lantiq.com/\n" -+"\t</body>\n" -+"</html>\n"; -+ -+static const char data_404_html[] = -+"HTTP/1.0 404 File not found\n" -+"Server: uIP/0.9 (http://dunkels.com/adam/uip/)\n" -+"Content-type: text/html\n" -+"\n" -+"<html>\n" -+"\t<head>\n" -+"\t\t<title>\n" -+"\t\t\tFailsafe UI\n" -+"\t\t</title>\n" -+"\t</head>\n" -+"\t<body>\n" -+"\t\t<center><h1>404 - file not found</h1></center>\n" -+"\t</body>\n" -+"</html>\n"; -+ -+static const char data_index_html[] = -+"HTTP/1.0 200 OK\n" -+"Server: uIP/0.9 (http://dunkels.com/adam/uip/)\n" -+"Content-type: text/html\n" -+"\n" -+"<html>\n" -+"\t<head>\n" -+"\t\t<title>\n" -+"\t\t\tFailsafe UI\n" -+"\t\t</title>\n" -+"\t</head>\n" -+"\t<body>\n" -+"\t\t<h1>Failsafe UI</h1>\n" -+"\t\t<form method=\"post\" enctype=\"multipart/form-data\">\n" -+"\t\t\t<input type=file name=firmware>\n" -+"\t\t\t<input type=submit>\n" -+"\t\t</form>\n" -+"\t</body>\n" -+"</html>\n"; -+ -+static const char data_flash_html[] = -+"HTTP/1.0 200 OK\n" -+"Server: uIP/0.9 (http://dunkels.com/adam/uip/)\n" -+"Content-type: text/html\n" -+"\n" -+"<html>\n" -+"\t<head>\n" -+"\t\t<title>\n" -+"\t\t\tFailsafe UI\n" -+"\t\t</title>\n" -+"\t</head>\n" -+"\t<body>\n" -+"\t\t<h1>Flashing...</h1>\n" -+"\t\tThe system is now trying to flash. If there is a problem, the LEDs will " -+"start to blink.<br>\n" -+"\n" -+"\t\tAfter a successful update the box will reboot\n" -+"\t</body>\n" -+"</html>\n"; -+ -+const struct fsdata_file file_flashing_html[] = -+{{NULL, "/flashing.html", data_flashing_html, sizeof(data_flashing_html)}}; -+ -+const struct fsdata_file file_fail_html[] = -+{{file_flashing_html, "/fail.html", data_fail_html, sizeof(data_fail_html)}}; - --const struct fsdata_file file_fail_html[] = {{file_flashing_html, data_fail_html, data_fail_html + 11, sizeof(data_fail_html) - 11}}; -+const struct fsdata_file file_404_html[] = -+{{file_fail_html, "/404.html", data_404_html, sizeof(data_404_html)}}; - --const struct fsdata_file file_404_html[] = {{file_fail_html, data_404_html, data_404_html + 10, sizeof(data_404_html) - 10}}; -+const struct fsdata_file file_index_html[] = -+{{file_404_html, "/index.html", data_index_html, sizeof(data_index_html)}}; - --const struct fsdata_file file_index_html[] = {{file_404_html, data_index_html, data_index_html + 12, sizeof(data_index_html) - 12}}; -- --const struct fsdata_file file_flash_html[] = {{file_index_html, data_flash_html, data_flash_html + 12, sizeof(data_flash_html) - 12}}; -+const struct fsdata_file file_flash_html[] = -+{{file_index_html, "/flash.html", data_flash_html, sizeof(data_flash_html)}}; - - #define FS_ROOT file_flash_html - --#define FS_NUMFILES 5 -\ No newline at end of file -+#define FS_NUMFILES 5 ---- a/net/uip-0.9/httpd.c -+++ b/net/uip-0.9/httpd.c -@@ -130,7 +130,7 @@ httpd_appcall(void) - if(!fs_open((const char *)&uip_appdata[4], &fsfile)) - { - PRINTLN("couldn't open file"); -- fs_open(file_index_html.name, &fsfile); -+ fs_open(file_404_html.name, &fsfile); - } - } - hs->script = 0; -@@ -141,7 +141,7 @@ httpd_appcall(void) - if(hs->state == HTTP_FIRMWARE) - { - unsigned char *start = (unsigned char*)uip_appdata; -- char *clen = strstr(start, "Content-Length:"); -+ char *clen = strstr((char *)start, "Content-Length:"); - int len = 0; - unsigned char *next, *end; - unsigned char *boundary_start; -@@ -150,14 +150,14 @@ httpd_appcall(void) - if(clen) - { - clen += sizeof("Content-Length:"); -- next = strstr(clen, eol); -+ next = (unsigned char *)strstr(clen, eol); - if(next) - { - len = atoi(clen); - next++; - printf("expecting %d bytes\n", len); - upload_data = httpd_upload_data = (unsigned char *)do_http_tmp_address(); -- printf("received data will be stored at 0x%08X\n", upload_data); -+ printf("received data will be stored at %p\n", upload_data); - if(!upload_data) - { - printf("failed to allocate memory\n"); -@@ -174,14 +174,14 @@ httpd_appcall(void) - uip_close(); - return; - } -- boundary_start = strstr(next, "---"); -+ boundary_start = (unsigned char *)strstr((char *)next, "---"); - if(!boundary_start) - { - uip_close(); - return; - } -- end = strstr(boundary_start, eol); -- if(!eol) -+ end = (unsigned char *)strstr((char *)boundary_start, eol); -+ if(!end) - { - uip_close(); - return; -@@ -189,13 +189,13 @@ httpd_appcall(void) - boundary_len = end - boundary_start; - memcpy(boundary, boundary_start, boundary_len); - boundary[boundary_len] = 0; -- next = strstr(boundary_start, "name=\"firmware\";"); -+ next = (unsigned char *)strstr((char *)boundary_start, "name=\"firmware\";"); - if(!next) - { - uip_close(); - return; - } -- next = strstr(next, eol2); -+ next = (unsigned char *)strstr((char *)next, eol2); - if(!next) - { - printf("could not find start of data\n"); -@@ -259,7 +259,6 @@ httpd_appcall(void) - { - if(upload_running) - { -- int i; - httpd_upload_complete = 1; - // for(i = 0; i < hs->upload_total; i++) - // printf("%c", httpd_upload_data[i]); -@@ -267,7 +266,7 @@ httpd_appcall(void) - uip_close(); - } - } -- uip_send(hs->dataptr, hs->count); -+ uip_send((unsigned char *)hs->dataptr, hs->count); - } - break; - |