git.maemo.org Git - wpasupplicant/blob - src/common/ieee802_11_defs.h

   1 /*
   2  * IEEE 802.11 Frame type definitions
   3  * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef IEEE802_11_DEFS_H
  16 #define IEEE802_11_DEFS_H
  17
  18 /* IEEE 802.11 defines */
  19
  20 #define WLAN_FC_PVER            0x0003
  21 #define WLAN_FC_TODS            0x0100
  22 #define WLAN_FC_FROMDS          0x0200
  23 #define WLAN_FC_MOREFRAG        0x0400
  24 #define WLAN_FC_RETRY           0x0800
  25 #define WLAN_FC_PWRMGT          0x1000
  26 #define WLAN_FC_MOREDATA        0x2000
  27 #define WLAN_FC_ISWEP           0x4000
  28 #define WLAN_FC_ORDER           0x8000
  29
  30 #define WLAN_FC_GET_TYPE(fc)    (((fc) & 0x000c) >> 2)
  31 #define WLAN_FC_GET_STYPE(fc)   (((fc) & 0x00f0) >> 4)
  32
  33 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & (BIT(3) | BIT(2) | BIT(1) | BIT(0)))
  34 #define WLAN_GET_SEQ_SEQ(seq) \
  35         (((seq) & (~(BIT(3) | BIT(2) | BIT(1) | BIT(0)))) >> 4)
  36
  37 #define WLAN_FC_TYPE_MGMT               0
  38 #define WLAN_FC_TYPE_CTRL               1
  39 #define WLAN_FC_TYPE_DATA               2
  40
  41 /* management */
  42 #define WLAN_FC_STYPE_ASSOC_REQ         0
  43 #define WLAN_FC_STYPE_ASSOC_RESP        1
  44 #define WLAN_FC_STYPE_REASSOC_REQ       2
  45 #define WLAN_FC_STYPE_REASSOC_RESP      3
  46 #define WLAN_FC_STYPE_PROBE_REQ         4
  47 #define WLAN_FC_STYPE_PROBE_RESP        5
  48 #define WLAN_FC_STYPE_BEACON            8
  49 #define WLAN_FC_STYPE_ATIM              9
  50 #define WLAN_FC_STYPE_DISASSOC          10
  51 #define WLAN_FC_STYPE_AUTH              11
  52 #define WLAN_FC_STYPE_DEAUTH            12
  53 #define WLAN_FC_STYPE_ACTION            13
  54
  55 /* control */
  56 #define WLAN_FC_STYPE_PSPOLL            10
  57 #define WLAN_FC_STYPE_RTS               11
  58 #define WLAN_FC_STYPE_CTS               12
  59 #define WLAN_FC_STYPE_ACK               13
  60 #define WLAN_FC_STYPE_CFEND             14
  61 #define WLAN_FC_STYPE_CFENDACK          15
  62
  63 /* data */
  64 #define WLAN_FC_STYPE_DATA              0
  65 #define WLAN_FC_STYPE_DATA_CFACK        1
  66 #define WLAN_FC_STYPE_DATA_CFPOLL       2
  67 #define WLAN_FC_STYPE_DATA_CFACKPOLL    3
  68 #define WLAN_FC_STYPE_NULLFUNC          4
  69 #define WLAN_FC_STYPE_CFACK             5
  70 #define WLAN_FC_STYPE_CFPOLL            6
  71 #define WLAN_FC_STYPE_CFACKPOLL         7
  72 #define WLAN_FC_STYPE_QOS_DATA          8
  73
  74 /* Authentication algorithms */
  75 #define WLAN_AUTH_OPEN                  0
  76 #define WLAN_AUTH_SHARED_KEY            1
  77 #define WLAN_AUTH_FT                    2
  78 #define WLAN_AUTH_LEAP                  128
  79
  80 #define WLAN_AUTH_CHALLENGE_LEN 128
  81
  82 #define WLAN_CAPABILITY_ESS BIT(0)
  83 #define WLAN_CAPABILITY_IBSS BIT(1)
  84 #define WLAN_CAPABILITY_CF_POLLABLE BIT(2)
  85 #define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3)
  86 #define WLAN_CAPABILITY_PRIVACY BIT(4)
  87 #define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5)
  88 #define WLAN_CAPABILITY_PBCC BIT(6)
  89 #define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7)
  90 #define WLAN_CAPABILITY_SPECTRUM_MGMT BIT(8)
  91 #define WLAN_CAPABILITY_SHORT_SLOT_TIME BIT(10)
  92 #define WLAN_CAPABILITY_DSSS_OFDM BIT(13)
  93
  94 /* Status codes */
  95 #define WLAN_STATUS_SUCCESS 0
  96 #define WLAN_STATUS_UNSPECIFIED_FAILURE 1
  97 #define WLAN_STATUS_CAPS_UNSUPPORTED 10
  98 #define WLAN_STATUS_REASSOC_NO_ASSOC 11
  99 #define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
 100 #define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
 101 #define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
 102 #define WLAN_STATUS_CHALLENGE_FAIL 15
 103 #define WLAN_STATUS_AUTH_TIMEOUT 16
 104 #define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
 105 #define WLAN_STATUS_ASSOC_DENIED_RATES 18
 106 /* IEEE 802.11b */
 107 #define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
 108 #define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
 109 #define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
 110 /* IEEE 802.11h */
 111 #define WLAN_STATUS_SPEC_MGMT_REQUIRED 22
 112 #define WLAN_STATUS_PWR_CAPABILITY_NOT_VALID 23
 113 #define WLAN_STATUS_SUPPORTED_CHANNEL_NOT_VALID 24
 114 /* 802.11g */
 115 #define WLAN_STATUS_ASSOC_DENOED_NO_SHORT_SLOT_TIME 25
 116 #define WLAN_STATUS_ASSOC_DENOED_NO_ER_PBCC 26
 117 #define WLAN_STATUS_ASSOC_DENOED_NO_DSSS_OFDM 27
 118 /* IEEE 802.11i */
 119 #define WLAN_STATUS_INVALID_IE 40
 120 #define WLAN_STATUS_GROUP_CIPHER_NOT_VALID 41
 121 #define WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID 42
 122 #define WLAN_STATUS_AKMP_NOT_VALID 43
 123 #define WLAN_STATUS_UNSUPPORTED_RSN_IE_VERSION 44
 124 #define WLAN_STATUS_INVALID_RSN_IE_CAPAB 45
 125 #define WLAN_STATUS_CIPHER_REJECTED_PER_POLICY 46
 126 /* IEEE 802.11r */
 127 #define WLAN_STATUS_INVALID_FT_ACTION_FRAME_COUNT 52
 128 #define WLAN_STATUS_EXPECTED_RESOURCE_REQ_FT 53
 129 #define WLAN_STATUS_INVALID_PMKID 54
 130 #define WLAN_STATUS_INVALID_MDIE 55
 131 #define WLAN_STATUS_INVALID_FTIE 56
 132
 133 /* Reason codes */
 134 #define WLAN_REASON_UNSPECIFIED 1
 135 #define WLAN_REASON_PREV_AUTH_NOT_VALID 2
 136 #define WLAN_REASON_DEAUTH_LEAVING 3
 137 #define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
 138 #define WLAN_REASON_DISASSOC_AP_BUSY 5
 139 #define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
 140 #define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
 141 #define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
 142 #define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
 143 /* 802.11h */
 144 #define WLAN_REASON_PWR_CAPABILITY_NOT_VALID 10
 145 #define WLAN_REASON_SUPPORTED_CHANNEL_NOT_VALID 11
 146 /* IEEE 802.11i */
 147 #define WLAN_REASON_INVALID_IE 13
 148 #define WLAN_REASON_MICHAEL_MIC_FAILURE 14
 149 #define WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT 15
 150 #define WLAN_REASON_GROUP_KEY_UPDATE_TIMEOUT 16
 151 #define WLAN_REASON_IE_IN_4WAY_DIFFERS 17
 152 #define WLAN_REASON_GROUP_CIPHER_NOT_VALID 18
 153 #define WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID 19
 154 #define WLAN_REASON_AKMP_NOT_VALID 20
 155 #define WLAN_REASON_UNSUPPORTED_RSN_IE_VERSION 21
 156 #define WLAN_REASON_INVALID_RSN_IE_CAPAB 22
 157 #define WLAN_REASON_IEEE_802_1X_AUTH_FAILED 23
 158 #define WLAN_REASON_CIPHER_SUITE_REJECTED 24
 159
 160
 161 /* Information Element IDs */
 162 #define WLAN_EID_SSID 0
 163 #define WLAN_EID_SUPP_RATES 1
 164 #define WLAN_EID_FH_PARAMS 2
 165 #define WLAN_EID_DS_PARAMS 3
 166 #define WLAN_EID_CF_PARAMS 4
 167 #define WLAN_EID_TIM 5
 168 #define WLAN_EID_IBSS_PARAMS 6
 169 #define WLAN_EID_COUNTRY 7
 170 #define WLAN_EID_CHALLENGE 16
 171 /* EIDs defined by IEEE 802.11h - START */
 172 #define WLAN_EID_PWR_CONSTRAINT 32
 173 #define WLAN_EID_PWR_CAPABILITY 33
 174 #define WLAN_EID_TPC_REQUEST 34
 175 #define WLAN_EID_TPC_REPORT 35
 176 #define WLAN_EID_SUPPORTED_CHANNELS 36
 177 #define WLAN_EID_CHANNEL_SWITCH 37
 178 #define WLAN_EID_MEASURE_REQUEST 38
 179 #define WLAN_EID_MEASURE_REPORT 39
 180 #define WLAN_EID_QUITE 40
 181 #define WLAN_EID_IBSS_DFS 41
 182 /* EIDs defined by IEEE 802.11h - END */
 183 #define WLAN_EID_ERP_INFO 42
 184 #define WLAN_EID_RSN 48
 185 #define WLAN_EID_EXT_SUPP_RATES 50
 186 #define WLAN_EID_MOBILITY_DOMAIN 54
 187 #define WLAN_EID_FAST_BSS_TRANSITION 55
 188 #define WLAN_EID_TIMEOUT_INTERVAL 56
 189 #define WLAN_EID_RIC_DATA 57
 190 #define WLAN_EID_VENDOR_SPECIFIC 221
 191
 192
 193 /* Action frame categories */
 194 #define WLAN_ACTION_SPECTRUM_MGMT 0
 195 #define WLAN_ACTION_QOS 1
 196 #define WLAN_ACTION_DLS 2
 197 #define WLAN_ACTION_BLOCK_ACK 3
 198 #define WLAN_ACTION_RADIO_MEASUREMENT 5
 199 #define WLAN_ACTION_FT 6
 200
 201
 202 #ifdef _MSC_VER
 203 #pragma pack(push, 1)
 204 #endif /* _MSC_VER */
 205
 206 struct ieee80211_mgmt {
 207         le16 frame_control;
 208         le16 duration;
 209         u8 da[6];
 210         u8 sa[6];
 211         u8 bssid[6];
 212         le16 seq_ctrl;
 213         union {
 214                 struct {
 215                         le16 auth_alg;
 216                         le16 auth_transaction;
 217                         le16 status_code;
 218                         /* possibly followed by Challenge text */
 219                         u8 variable[0];
 220                 } STRUCT_PACKED auth;
 221                 struct {
 222                         le16 reason_code;
 223                 } STRUCT_PACKED deauth;
 224                 struct {
 225                         le16 capab_info;
 226                         le16 listen_interval;
 227                         /* followed by SSID and Supported rates */
 228                         u8 variable[0];
 229                 } STRUCT_PACKED assoc_req;
 230                 struct {
 231                         le16 capab_info;
 232                         le16 status_code;
 233                         le16 aid;
 234                         /* followed by Supported rates */
 235                         u8 variable[0];
 236                 } STRUCT_PACKED assoc_resp, reassoc_resp;
 237                 struct {
 238                         le16 capab_info;
 239                         le16 listen_interval;
 240                         u8 current_ap[6];
 241                         /* followed by SSID and Supported rates */
 242                         u8 variable[0];
 243                 } STRUCT_PACKED reassoc_req;
 244                 struct {
 245                         le16 reason_code;
 246                 } STRUCT_PACKED disassoc;
 247                 struct {
 248                         u8 timestamp[8];
 249                         le16 beacon_int;
 250                         le16 capab_info;
 251                         /* followed by some of SSID, Supported rates,
 252                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 253                         u8 variable[0];
 254                 } STRUCT_PACKED beacon;
 255                 struct {
 256                         /* only variable items: SSID, Supported rates */
 257                         u8 variable[0];
 258                 } STRUCT_PACKED probe_req;
 259                 struct {
 260                         u8 timestamp[8];
 261                         le16 beacon_int;
 262                         le16 capab_info;
 263                         /* followed by some of SSID, Supported rates,
 264                          * FH Params, DS Params, CF Params, IBSS Params */
 265                         u8 variable[0];
 266                 } STRUCT_PACKED probe_resp;
 267                 struct {
 268                         u8 category;
 269                         union {
 270                                 struct {
 271                                         u8 action_code;
 272                                         u8 dialog_token;
 273                                         u8 status_code;
 274                                         u8 variable[0];
 275                                 } STRUCT_PACKED wme_action;
 276                                 struct{
 277                                         u8 action_code;
 278                                         u8 element_id;
 279                                         u8 length;
 280                                         u8 switch_mode;
 281                                         u8 new_chan;
 282                                         u8 switch_count;
 283                                 } STRUCT_PACKED chan_switch;
 284                                 struct {
 285                                         u8 action;
 286                                         u8 sta_addr[ETH_ALEN];
 287                                         u8 target_ap_addr[ETH_ALEN];
 288                                         u8 variable[0]; /* FT Request */
 289                                 } STRUCT_PACKED ft_action_req;
 290                                 struct {
 291                                         u8 action;
 292                                         u8 sta_addr[ETH_ALEN];
 293                                         u8 target_ap_addr[ETH_ALEN];
 294                                         le16 status_code;
 295                                         u8 variable[0]; /* FT Request */
 296                                 } STRUCT_PACKED ft_action_resp;
 297                         } u;
 298                 } STRUCT_PACKED action;
 299         } u;
 300 } STRUCT_PACKED;
 301
 302 #ifdef _MSC_VER
 303 #pragma pack(pop)
 304 #endif /* _MSC_VER */
 305
 306 #define ERP_INFO_NON_ERP_PRESENT BIT(0)
 307 #define ERP_INFO_USE_PROTECTION BIT(1)
 308 #define ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
 309
 310 #endif /* IEEE802_11_DEFS_H */