package/wificonf/include/proto/wpa.h

   1 /*
   2  * Fundamental types and constants relating to WPA
   3  *
   4  * Copyright 2005, 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  * $Id$
  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 (re-)assoc. request/probe response */
  41 #define DOT11_RC_INVALID_MC_CIPHER              18      /* Invalid multicast cipher */
  42 #define DOT11_RC_INVALID_UC_CIPHER              19      /* Invalid unicast cipher */
  43 #define DOT11_RC_INVALID_AKMP                   20      /* Invalid authenticated key management protocol */
  44 #define DOT11_RC_BAD_WPA_VERSION                21      /* Unsupported WPA version */
  45 #define DOT11_RC_INVALID_WPA_CAP                22      /* Invalid WPA IE capabilities */
  46 #define DOT11_RC_8021X_AUTH_FAIL                23      /* 802.1X authentication failure */
  47
  48 #define WPA2_PMKID_LEN  16
  49
  50 /* WPA IE fixed portion */
  51 typedef struct
  52 {
  53         uint8 tag;      /* TAG */
  54         uint8 length;   /* TAG length */
  55         uint8 oui[3];   /* IE OUI */
  56         uint8 oui_type; /* OUI type */
  57         struct {
  58                 uint8 low;
  59                 uint8 high;
  60         } PACKED version;       /* IE version */
  61 } PACKED wpa_ie_fixed_t;
  62 #define WPA_IE_OUITYPE_LEN      4
  63 #define WPA_IE_FIXED_LEN        8
  64 #define WPA_IE_TAG_FIXED_LEN    6
  65
  66 typedef struct {
  67         uint8 tag;      /* TAG */
  68         uint8 length;   /* TAG length */
  69         struct {
  70                 uint8 low;
  71                 uint8 high;
  72         } PACKED version;       /* IE version */
  73 } PACKED wpa_rsn_ie_fixed_t;
  74 #define WPA_RSN_IE_FIXED_LEN    4
  75 #define WPA_RSN_IE_TAG_FIXED_LEN        2
  76 typedef uint8 wpa_pmkid_t[WPA2_PMKID_LEN];
  77
  78 /* WPA suite/multicast suite */
  79 typedef struct
  80 {
  81         uint8 oui[3];
  82         uint8 type;
  83 } PACKED wpa_suite_t, wpa_suite_mcast_t;
  84 #define WPA_SUITE_LEN   4
  85
  86 /* WPA unicast suite list/key management suite list */
  87 typedef struct
  88 {
  89         struct {
  90                 uint8 low;
  91                 uint8 high;
  92         } PACKED count;
  93         wpa_suite_t list[1];
  94 } PACKED wpa_suite_ucast_t, wpa_suite_auth_key_mgmt_t;
  95 #define WPA_IE_SUITE_COUNT_LEN  2
  96 typedef struct
  97 {
  98         struct {
  99                 uint8 low;
 100                 uint8 high;
 101         } PACKED count;
 102         wpa_pmkid_t list[1];
 103 } PACKED wpa_pmkid_list_t;
 104
 105 /* WPA cipher suites */
 106 #define WPA_CIPHER_NONE         0       /* None */
 107 #define WPA_CIPHER_WEP_40       1       /* WEP (40-bit) */
 108 #define WPA_CIPHER_TKIP         2       /* TKIP: default for WPA */
 109 #define WPA_CIPHER_AES_OCB      3       /* AES (OCB) */
 110 #define WPA_CIPHER_AES_CCM      4       /* AES (CCM) */
 111 #define WPA_CIPHER_WEP_104      5       /* WEP (104-bit) */
 112
 113 #define IS_WPA_CIPHER(cipher)   ((cipher) == WPA_CIPHER_NONE || \
 114                                  (cipher) == WPA_CIPHER_WEP_40 || \
 115                                  (cipher) == WPA_CIPHER_WEP_104 || \
 116                                  (cipher) == WPA_CIPHER_TKIP || \
 117                                  (cipher) == WPA_CIPHER_AES_OCB || \
 118                                  (cipher) == WPA_CIPHER_AES_CCM)
 119
 120 /* WPA TKIP countermeasures parameters */
 121 #define WPA_TKIP_CM_DETECT      60      /* multiple MIC failure window (seconds) */
 122 #define WPA_TKIP_CM_BLOCK       60      /* countermeasures active window (seconds) */
 123
 124 /* WPA capabilities defined in 802.11i */
 125 #define WPA_CAP_4_REPLAY_CNTRS          2
 126 #define WPA_CAP_16_REPLAY_CNTRS         3
 127 #define WPA_CAP_REPLAY_CNTR_SHIFT       2
 128 #define WPA_CAP_REPLAY_CNTR_MASK        0x000c
 129
 130 /* WPA Specific defines */
 131 #define WPA_CAP_LEN     2
 132
 133 #define WPA_CAP_WPA2_PREAUTH            1
 134
 135 #undef PACKED
 136 #if !defined(__GNUC__)
 137 #pragma pack()
 138 #endif
 139
 140 #endif /* _proto_wpa_h_ */