170 lines
5.6 KiB
C
170 lines
5.6 KiB
C
/*
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* Fundamental types and constants relating to WPA
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*
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* Copyright (C) 1999-2013, Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: wpa.h 384536 2013-02-12 04:13:09Z $
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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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/* This marks the start of a packed structure section. */
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#include <packed_section_start.h>
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/* Reason Codes */
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/* 13 through 23 taken from IEEE Std 802.11i-2004 */
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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
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* (re-)assoc. request/probe response
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*/
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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 BWL_PRE_PACKED_STRUCT 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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BWL_PRE_PACKED_STRUCT struct {
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uint8 low;
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uint8 high;
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} BWL_POST_PACKED_STRUCT version; /* IE version */
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} BWL_POST_PACKED_STRUCT 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 BWL_PRE_PACKED_STRUCT struct {
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uint8 tag; /* TAG */
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uint8 length; /* TAG length */
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BWL_PRE_PACKED_STRUCT struct {
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uint8 low;
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uint8 high;
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} BWL_POST_PACKED_STRUCT version; /* IE version */
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} BWL_POST_PACKED_STRUCT 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 BWL_PRE_PACKED_STRUCT struct
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{
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uint8 oui[3];
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uint8 type;
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} BWL_POST_PACKED_STRUCT 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 BWL_PRE_PACKED_STRUCT struct
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{
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BWL_PRE_PACKED_STRUCT struct {
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uint8 low;
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uint8 high;
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} BWL_POST_PACKED_STRUCT count;
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wpa_suite_t list[1];
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} BWL_POST_PACKED_STRUCT 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 BWL_PRE_PACKED_STRUCT struct
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{
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BWL_PRE_PACKED_STRUCT struct {
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uint8 low;
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uint8 high;
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} BWL_POST_PACKED_STRUCT count;
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wpa_pmkid_t list[1];
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} BWL_POST_PACKED_STRUCT 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 WPA_CIPHER_BIP 6 /* WEP (104-bit) */
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#define WPA_CIPHER_TPK 7 /* Group addressed traffic not allowed */
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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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(cipher) == WPA_CIPHER_TPK)
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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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/* RSN IE defines */
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#define RSN_CAP_LEN 2 /* Length of RSN capabilities field (2 octets) */
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/* RSN Capabilities defined in 802.11i */
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#define RSN_CAP_PREAUTH 0x0001
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#define RSN_CAP_NOPAIRWISE 0x0002
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#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
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#define RSN_CAP_PTK_REPLAY_CNTR_SHIFT 2
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#define RSN_CAP_GTK_REPLAY_CNTR_MASK 0x0030
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#define RSN_CAP_GTK_REPLAY_CNTR_SHIFT 4
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#define RSN_CAP_1_REPLAY_CNTR 0
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#define RSN_CAP_2_REPLAY_CNTRS 1
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#define RSN_CAP_4_REPLAY_CNTRS 2
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#define RSN_CAP_16_REPLAY_CNTRS 3
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#define RSN_CAP_MFPR 0x0040
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#define RSN_CAP_MFPC 0x0080
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#define RSN_CAP_SPPC 0x0400
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#define RSN_CAP_SPPR 0x0800
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/* WPA capabilities defined in 802.11i */
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#define WPA_CAP_4_REPLAY_CNTRS RSN_CAP_4_REPLAY_CNTRS
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#define WPA_CAP_16_REPLAY_CNTRS RSN_CAP_16_REPLAY_CNTRS
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#define WPA_CAP_REPLAY_CNTR_SHIFT RSN_CAP_PTK_REPLAY_CNTR_SHIFT
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#define WPA_CAP_REPLAY_CNTR_MASK RSN_CAP_PTK_REPLAY_CNTR_MASK
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/* WPA capabilities defined in 802.11zD9.0 */
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#define WPA_CAP_PEER_KEY_ENABLE (0x1 << 1) /* bit 9 */
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/* WPA Specific defines */
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#define WPA_CAP_LEN RSN_CAP_LEN /* Length of RSN capabilities in RSN IE (2 octets) */
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#define WPA_PMKID_CNT_LEN 2 /* Length of RSN PMKID count (2 octests) */
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#define WPA_CAP_WPA2_PREAUTH RSN_CAP_PREAUTH
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#define WPA2_PMKID_COUNT_LEN 2
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/* This marks the end of a packed structure section. */
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#include <packed_section_end.h>
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#endif /* _proto_wpa_h_ */
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