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