package/broadcom-wl/src/include/proto/wpa.h

   1 /*
   2  * Fundamental types and constants relating to WPA
   3  *
   4  * Copyright 2006, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  * $Id: wpa.h,v 1.1.1.4 2006/02/27 03:43:16 honor Exp $
  13  */
  14
  15 #ifndef _proto_wpa_h_
  16 #define _proto_wpa_h_
  17
  18 #include <typedefs.h>
  19 #include <proto/ethernet.h>
  20
  21 /* enable structure packing */
  22 #if defined(__GNUC__)
  23 #define PACKED  __attribute__((packed))
  24 #else
  25 #pragma pack(1)
  26 #define PACKED
  27 #endif
  28
  29 /* Reason Codes */
  30
  31 /* 10 and 11 are from TGh. */
  32 #define DOT11_RC_BAD_PC                 10      /* Unacceptable power capability element */
  33 #define DOT11_RC_BAD_CHANNELS           11      /* Unacceptable supported channels element */
  34 /* 12 is unused */
  35 /* 13 through 23 taken from P802.11i/D3.0, November 2002 */
  36 #define DOT11_RC_INVALID_WPA_IE         13      /* Invalid info. element */
  37 #define DOT11_RC_MIC_FAILURE            14      /* Michael failure */
  38 #define DOT11_RC_4WH_TIMEOUT            15      /* 4-way handshake timeout */
  39 #define DOT11_RC_GTK_UPDATE_TIMEOUT     16      /* Group key update timeout */
  40 #define DOT11_RC_WPA_IE_MISMATCH        17      /* WPA IE in 4-way handshake differs from
  41                                                  * (re-)assoc. request/probe response
  42                                                  */
  43 #define DOT11_RC_INVALID_MC_CIPHER      18      /* Invalid multicast cipher */
  44 #define DOT11_RC_INVALID_UC_CIPHER      19      /* Invalid unicast cipher */
  45 #define DOT11_RC_INVALID_AKMP           20      /* Invalid authenticated key management protocol */
  46 #define DOT11_RC_BAD_WPA_VERSION        21      /* Unsupported WPA version */
  47 #define DOT11_RC_INVALID_WPA_CAP        22      /* Invalid WPA IE capabilities */
  48 #define DOT11_RC_8021X_AUTH_FAIL        23      /* 802.1X authentication failure */
  49
  50 #define WPA2_PMKID_LEN  16
  51
  52 /* WPA IE fixed portion */
  53 typedef struct
  54 {
  55         uint8 tag;      /* TAG */
  56         uint8 length;   /* TAG length */
  57         uint8 oui[3];   /* IE OUI */
  58         uint8 oui_type; /* OUI type */
  59         struct {
  60                 uint8 low;
  61                 uint8 high;
  62         } PACKED version;       /* IE version */
  63 } PACKED wpa_ie_fixed_t;
  64 #define WPA_IE_OUITYPE_LEN      4
  65 #define WPA_IE_FIXED_LEN        8
  66 #define WPA_IE_TAG_FIXED_LEN    6
  67
  68 #ifdef BCMWPA2
  69 typedef struct {
  70         uint8 tag;      /* TAG */
  71         uint8 length;   /* TAG length */
  72         struct {
  73                 uint8 low;
  74                 uint8 high;
  75         } PACKED version;       /* IE version */
  76 } PACKED wpa_rsn_ie_fixed_t;
  77 #define WPA_RSN_IE_FIXED_LEN    4
  78 #define WPA_RSN_IE_TAG_FIXED_LEN        2
  79 typedef uint8 wpa_pmkid_t[WPA2_PMKID_LEN];
  80 #endif
  81
  82 /* WPA suite/multicast suite */
  83 typedef struct
  84 {
  85         uint8 oui[3];
  86         uint8 type;
  87 } PACKED wpa_suite_t, wpa_suite_mcast_t;
  88 #define WPA_SUITE_LEN   4
  89
  90 /* WPA unicast suite list/key management suite list */
  91 typedef struct
  92 {
  93         struct {
  94                 uint8 low;
  95                 uint8 high;
  96         } PACKED count;
  97         wpa_suite_t list[1];
  98 } PACKED wpa_suite_ucast_t, wpa_suite_auth_key_mgmt_t;
  99 #define WPA_IE_SUITE_COUNT_LEN  2
 100 #ifdef BCMWPA2
 101 typedef struct
 102 {
 103         struct {
 104                 uint8 low;
 105                 uint8 high;
 106         } PACKED count;
 107         wpa_pmkid_t list[1];
 108 } PACKED wpa_pmkid_list_t;
 109 #endif
 110
 111 /* WPA cipher suites */
 112 #define WPA_CIPHER_NONE         0       /* None */
 113 #define WPA_CIPHER_WEP_40       1       /* WEP (40-bit) */
 114 #define WPA_CIPHER_TKIP         2       /* TKIP: default for WPA */
 115 #define WPA_CIPHER_AES_OCB      3       /* AES (OCB) */
 116 #define WPA_CIPHER_AES_CCM      4       /* AES (CCM) */
 117 #define WPA_CIPHER_WEP_104      5       /* WEP (104-bit) */
 118
 119 #define IS_WPA_CIPHER(cipher)   ((cipher) == WPA_CIPHER_NONE || \
 120                                  (cipher) == WPA_CIPHER_WEP_40 || \
 121                                  (cipher) == WPA_CIPHER_WEP_104 || \
 122                                  (cipher) == WPA_CIPHER_TKIP || \
 123                                  (cipher) == WPA_CIPHER_AES_OCB || \
 124                                  (cipher) == WPA_CIPHER_AES_CCM)
 125
 126 /* WPA TKIP countermeasures parameters */
 127 #define WPA_TKIP_CM_DETECT      60      /* multiple MIC failure window (seconds) */
 128 #define WPA_TKIP_CM_BLOCK       60      /* countermeasures active window (seconds) */
 129
 130 /* WPA capabilities defined in 802.11i */
 131 #define WPA_CAP_4_REPLAY_CNTRS          2
 132 #define WPA_CAP_16_REPLAY_CNTRS         3
 133 #define WPA_CAP_REPLAY_CNTR_SHIFT       2
 134 #define WPA_CAP_REPLAY_CNTR_MASK        0x000c
 135
 136 /* WPA Specific defines */
 137 #define WPA_CAP_LEN     2       /* Length of RSN capabilities in RSN IE (2 octets) */
 138
 139 #ifdef BCMWPA2
 140 #define WPA_CAP_WPA2_PREAUTH            1
 141 #endif /* BCMWPA2 */
 142
 143 #undef PACKED
 144 #if !defined(__GNUC__)
 145 #pragma pack()
 146 #endif
 147
 148 #endif /* _proto_wpa_h_ */