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/*
* Fundamental types and constants relating to WPA
*
* Copyright 2005, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
* $Id$
*/
#ifndef _proto_wpa_h_
#define _proto_wpa_h_
#include <typedefs.h>
#include <proto/ethernet.h>
/* enable structure packing */
#if defined(__GNUC__)
#define PACKED __attribute__((packed))
#else
#pragma pack(1)
#define PACKED
#endif
/* Reason Codes */
/* 10 and 11 are from TGh. */
#define DOT11_RC_BAD_PC 10 /* Unacceptable power capability element */
#define DOT11_RC_BAD_CHANNELS 11 /* Unacceptable supported channels element */
/* 12 is unused */
/* 13 through 23 taken from P802.11i/D3.0, November 2002 */
#define DOT11_RC_INVALID_WPA_IE 13 /* Invalid info. element */
#define DOT11_RC_MIC_FAILURE 14 /* Michael failure */
#define DOT11_RC_4WH_TIMEOUT 15 /* 4-way handshake timeout */
#define DOT11_RC_GTK_UPDATE_TIMEOUT 16 /* Group key update timeout */
#define DOT11_RC_WPA_IE_MISMATCH 17 /* WPA IE in 4-way handshake differs from (re-)assoc. request/probe response */
#define DOT11_RC_INVALID_MC_CIPHER 18 /* Invalid multicast cipher */
#define DOT11_RC_INVALID_UC_CIPHER 19 /* Invalid unicast cipher */
#define DOT11_RC_INVALID_AKMP 20 /* Invalid authenticated key management protocol */
#define DOT11_RC_BAD_WPA_VERSION 21 /* Unsupported WPA version */
#define DOT11_RC_INVALID_WPA_CAP 22 /* Invalid WPA IE capabilities */
#define DOT11_RC_8021X_AUTH_FAIL 23 /* 802.1X authentication failure */
#define WPA2_PMKID_LEN 16
/* WPA IE fixed portion */
typedef struct
{
uint8 tag; /* TAG */
uint8 length; /* TAG length */
uint8 oui[3]; /* IE OUI */
uint8 oui_type; /* OUI type */
struct {
uint8 low;
uint8 high;
} PACKED version; /* IE version */
} PACKED wpa_ie_fixed_t;
#define WPA_IE_OUITYPE_LEN 4
#define WPA_IE_FIXED_LEN 8
#define WPA_IE_TAG_FIXED_LEN 6
typedef struct {
uint8 tag; /* TAG */
uint8 length; /* TAG length */
struct {
uint8 low;
uint8 high;
} PACKED version; /* IE version */
} PACKED wpa_rsn_ie_fixed_t;
#define WPA_RSN_IE_FIXED_LEN 4
#define WPA_RSN_IE_TAG_FIXED_LEN 2
typedef uint8 wpa_pmkid_t[WPA2_PMKID_LEN];
/* WPA suite/multicast suite */
typedef struct
{
uint8 oui[3];
uint8 type;
} PACKED wpa_suite_t, wpa_suite_mcast_t;
#define WPA_SUITE_LEN 4
/* WPA unicast suite list/key management suite list */
typedef struct
{
struct {
uint8 low;
uint8 high;
} PACKED count;
wpa_suite_t list[1];
} PACKED wpa_suite_ucast_t, wpa_suite_auth_key_mgmt_t;
#define WPA_IE_SUITE_COUNT_LEN 2
typedef struct
{
struct {
uint8 low;
uint8 high;
} PACKED count;
wpa_pmkid_t list[1];
} PACKED wpa_pmkid_list_t;
/* WPA cipher suites */
#define WPA_CIPHER_NONE 0 /* None */
#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
#define WPA_CIPHER_AES_OCB 3 /* AES (OCB) */
#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
#define IS_WPA_CIPHER(cipher) ((cipher) == WPA_CIPHER_NONE || \
(cipher) == WPA_CIPHER_WEP_40 || \
(cipher) == WPA_CIPHER_WEP_104 || \
(cipher) == WPA_CIPHER_TKIP || \
(cipher) == WPA_CIPHER_AES_OCB || \
(cipher) == WPA_CIPHER_AES_CCM)
/* WPA TKIP countermeasures parameters */
#define WPA_TKIP_CM_DETECT 60 /* multiple MIC failure window (seconds) */
#define WPA_TKIP_CM_BLOCK 60 /* countermeasures active window (seconds) */
/* WPA capabilities defined in 802.11i */
#define WPA_CAP_4_REPLAY_CNTRS 2
#define WPA_CAP_16_REPLAY_CNTRS 3
#define WPA_CAP_REPLAY_CNTR_SHIFT 2
#define WPA_CAP_REPLAY_CNTR_MASK 0x000c
/* WPA Specific defines */
#define WPA_CAP_LEN 2
#define WPA_CAP_WPA2_PREAUTH 1
#undef PACKED
#if !defined(__GNUC__)
#pragma pack()
#endif
#endif /* _proto_wpa_h_ */
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