Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * IEEE 802.11 defines |
| 3 | * |
| 4 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen |
| 5 | * <jkmaline@cc.hut.fi> |
| 6 | * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> |
| 7 | * Copyright (c) 2005, Devicescape Software, Inc. |
| 8 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #ifndef IEEE80211_H |
| 16 | #define IEEE80211_H |
| 17 | |
| 18 | #include <linux/types.h> |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 19 | #include <asm/byteorder.h> |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 20 | |
| 21 | #define FCS_LEN 4 |
| 22 | |
| 23 | #define IEEE80211_FCTL_VERS 0x0003 |
| 24 | #define IEEE80211_FCTL_FTYPE 0x000c |
| 25 | #define IEEE80211_FCTL_STYPE 0x00f0 |
| 26 | #define IEEE80211_FCTL_TODS 0x0100 |
| 27 | #define IEEE80211_FCTL_FROMDS 0x0200 |
| 28 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 |
| 29 | #define IEEE80211_FCTL_RETRY 0x0800 |
| 30 | #define IEEE80211_FCTL_PM 0x1000 |
| 31 | #define IEEE80211_FCTL_MOREDATA 0x2000 |
| 32 | #define IEEE80211_FCTL_PROTECTED 0x4000 |
| 33 | #define IEEE80211_FCTL_ORDER 0x8000 |
| 34 | |
| 35 | #define IEEE80211_SCTL_FRAG 0x000F |
| 36 | #define IEEE80211_SCTL_SEQ 0xFFF0 |
| 37 | |
| 38 | #define IEEE80211_FTYPE_MGMT 0x0000 |
| 39 | #define IEEE80211_FTYPE_CTL 0x0004 |
| 40 | #define IEEE80211_FTYPE_DATA 0x0008 |
| 41 | |
| 42 | /* management */ |
| 43 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 |
| 44 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 |
| 45 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 |
| 46 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 |
| 47 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 |
| 48 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 |
| 49 | #define IEEE80211_STYPE_BEACON 0x0080 |
| 50 | #define IEEE80211_STYPE_ATIM 0x0090 |
| 51 | #define IEEE80211_STYPE_DISASSOC 0x00A0 |
| 52 | #define IEEE80211_STYPE_AUTH 0x00B0 |
| 53 | #define IEEE80211_STYPE_DEAUTH 0x00C0 |
| 54 | #define IEEE80211_STYPE_ACTION 0x00D0 |
| 55 | |
| 56 | /* control */ |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 57 | #define IEEE80211_STYPE_BACK_REQ 0x0080 |
| 58 | #define IEEE80211_STYPE_BACK 0x0090 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 59 | #define IEEE80211_STYPE_PSPOLL 0x00A0 |
| 60 | #define IEEE80211_STYPE_RTS 0x00B0 |
| 61 | #define IEEE80211_STYPE_CTS 0x00C0 |
| 62 | #define IEEE80211_STYPE_ACK 0x00D0 |
| 63 | #define IEEE80211_STYPE_CFEND 0x00E0 |
| 64 | #define IEEE80211_STYPE_CFENDACK 0x00F0 |
| 65 | |
| 66 | /* data */ |
| 67 | #define IEEE80211_STYPE_DATA 0x0000 |
| 68 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 |
| 69 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 |
| 70 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 |
| 71 | #define IEEE80211_STYPE_NULLFUNC 0x0040 |
| 72 | #define IEEE80211_STYPE_CFACK 0x0050 |
| 73 | #define IEEE80211_STYPE_CFPOLL 0x0060 |
| 74 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 |
| 75 | #define IEEE80211_STYPE_QOS_DATA 0x0080 |
| 76 | #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 |
| 77 | #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 |
| 78 | #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 |
| 79 | #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 |
| 80 | #define IEEE80211_STYPE_QOS_CFACK 0x00D0 |
| 81 | #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 |
| 82 | #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 |
| 83 | |
| 84 | |
| 85 | /* miscellaneous IEEE 802.11 constants */ |
Michael Wu | c237899 | 2007-10-30 16:50:05 -0400 | [diff] [blame] | 86 | #define IEEE80211_MAX_FRAG_THRESHOLD 2352 |
| 87 | #define IEEE80211_MAX_RTS_THRESHOLD 2353 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 88 | #define IEEE80211_MAX_AID 2007 |
| 89 | #define IEEE80211_MAX_TIM_LEN 251 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 90 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
| 91 | 6.2.1.1.2. |
| 92 | |
Michael Wu | c237899 | 2007-10-30 16:50:05 -0400 | [diff] [blame] | 93 | 802.11e clarifies the figure in section 7.1.2. The frame body is |
| 94 | up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ |
| 95 | #define IEEE80211_MAX_DATA_LEN 2304 |
| 96 | /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ |
| 97 | #define IEEE80211_MAX_FRAME_LEN 2352 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 98 | |
| 99 | #define IEEE80211_MAX_SSID_LEN 32 |
| 100 | |
| 101 | struct ieee80211_hdr { |
| 102 | __le16 frame_control; |
| 103 | __le16 duration_id; |
| 104 | u8 addr1[6]; |
| 105 | u8 addr2[6]; |
| 106 | u8 addr3[6]; |
| 107 | __le16 seq_ctrl; |
| 108 | u8 addr4[6]; |
| 109 | } __attribute__ ((packed)); |
| 110 | |
| 111 | |
| 112 | struct ieee80211_mgmt { |
| 113 | __le16 frame_control; |
| 114 | __le16 duration; |
| 115 | u8 da[6]; |
| 116 | u8 sa[6]; |
| 117 | u8 bssid[6]; |
| 118 | __le16 seq_ctrl; |
| 119 | union { |
| 120 | struct { |
| 121 | __le16 auth_alg; |
| 122 | __le16 auth_transaction; |
| 123 | __le16 status_code; |
| 124 | /* possibly followed by Challenge text */ |
| 125 | u8 variable[0]; |
| 126 | } __attribute__ ((packed)) auth; |
| 127 | struct { |
| 128 | __le16 reason_code; |
| 129 | } __attribute__ ((packed)) deauth; |
| 130 | struct { |
| 131 | __le16 capab_info; |
| 132 | __le16 listen_interval; |
| 133 | /* followed by SSID and Supported rates */ |
| 134 | u8 variable[0]; |
| 135 | } __attribute__ ((packed)) assoc_req; |
| 136 | struct { |
| 137 | __le16 capab_info; |
| 138 | __le16 status_code; |
| 139 | __le16 aid; |
| 140 | /* followed by Supported rates */ |
| 141 | u8 variable[0]; |
| 142 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; |
| 143 | struct { |
| 144 | __le16 capab_info; |
| 145 | __le16 listen_interval; |
| 146 | u8 current_ap[6]; |
| 147 | /* followed by SSID and Supported rates */ |
| 148 | u8 variable[0]; |
| 149 | } __attribute__ ((packed)) reassoc_req; |
| 150 | struct { |
| 151 | __le16 reason_code; |
| 152 | } __attribute__ ((packed)) disassoc; |
| 153 | struct { |
| 154 | __le64 timestamp; |
| 155 | __le16 beacon_int; |
| 156 | __le16 capab_info; |
| 157 | /* followed by some of SSID, Supported rates, |
| 158 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ |
| 159 | u8 variable[0]; |
| 160 | } __attribute__ ((packed)) beacon; |
| 161 | struct { |
| 162 | /* only variable items: SSID, Supported rates */ |
| 163 | u8 variable[0]; |
| 164 | } __attribute__ ((packed)) probe_req; |
| 165 | struct { |
| 166 | __le64 timestamp; |
| 167 | __le16 beacon_int; |
| 168 | __le16 capab_info; |
| 169 | /* followed by some of SSID, Supported rates, |
| 170 | * FH Params, DS Params, CF Params, IBSS Params */ |
| 171 | u8 variable[0]; |
| 172 | } __attribute__ ((packed)) probe_resp; |
| 173 | struct { |
| 174 | u8 category; |
| 175 | union { |
| 176 | struct { |
| 177 | u8 action_code; |
| 178 | u8 dialog_token; |
| 179 | u8 status_code; |
| 180 | u8 variable[0]; |
| 181 | } __attribute__ ((packed)) wme_action; |
| 182 | struct{ |
| 183 | u8 action_code; |
| 184 | u8 element_id; |
| 185 | u8 length; |
| 186 | u8 switch_mode; |
| 187 | u8 new_chan; |
| 188 | u8 switch_count; |
| 189 | } __attribute__((packed)) chan_switch; |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 190 | struct{ |
| 191 | u8 action_code; |
| 192 | u8 dialog_token; |
| 193 | __le16 capab; |
| 194 | __le16 timeout; |
| 195 | __le16 start_seq_num; |
| 196 | } __attribute__((packed)) addba_req; |
| 197 | struct{ |
| 198 | u8 action_code; |
| 199 | u8 dialog_token; |
| 200 | __le16 status; |
| 201 | __le16 capab; |
| 202 | __le16 timeout; |
| 203 | } __attribute__((packed)) addba_resp; |
| 204 | struct{ |
| 205 | u8 action_code; |
| 206 | __le16 params; |
| 207 | __le16 reason_code; |
| 208 | } __attribute__((packed)) delba; |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 209 | } u; |
| 210 | } __attribute__ ((packed)) action; |
| 211 | } u; |
| 212 | } __attribute__ ((packed)); |
| 213 | |
| 214 | |
| 215 | /* Control frames */ |
| 216 | struct ieee80211_rts { |
| 217 | __le16 frame_control; |
| 218 | __le16 duration; |
| 219 | u8 ra[6]; |
| 220 | u8 ta[6]; |
| 221 | } __attribute__ ((packed)); |
| 222 | |
| 223 | struct ieee80211_cts { |
| 224 | __le16 frame_control; |
| 225 | __le16 duration; |
| 226 | u8 ra[6]; |
| 227 | } __attribute__ ((packed)); |
| 228 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 229 | /** |
| 230 | * struct ieee80211_bar - HT Block Ack Request |
| 231 | * |
| 232 | * This structure refers to "HT BlockAckReq" as |
| 233 | * described in 802.11n draft section 7.2.1.7.1 |
| 234 | */ |
| 235 | struct ieee80211_bar { |
| 236 | __le16 frame_control; |
| 237 | __le16 duration; |
| 238 | __u8 ra[6]; |
| 239 | __u8 ta[6]; |
Ron Rindjunsky | a8b47ea | 2008-01-21 12:39:11 +0200 | [diff] [blame] | 240 | __le16 control; |
| 241 | __le16 start_seq_num; |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 242 | } __attribute__((packed)); |
| 243 | |
| 244 | /** |
| 245 | * struct ieee80211_ht_cap - HT capabilities |
| 246 | * |
| 247 | * This structure refers to "HT capabilities element" as |
| 248 | * described in 802.11n draft section 7.3.2.52 |
| 249 | */ |
| 250 | struct ieee80211_ht_cap { |
| 251 | __le16 cap_info; |
| 252 | u8 ampdu_params_info; |
| 253 | u8 supp_mcs_set[16]; |
| 254 | __le16 extended_ht_cap_info; |
| 255 | __le32 tx_BF_cap_info; |
| 256 | u8 antenna_selection_info; |
| 257 | } __attribute__ ((packed)); |
| 258 | |
| 259 | /** |
| 260 | * struct ieee80211_ht_cap - HT additional information |
| 261 | * |
| 262 | * This structure refers to "HT information element" as |
| 263 | * described in 802.11n draft section 7.3.2.53 |
| 264 | */ |
| 265 | struct ieee80211_ht_addt_info { |
| 266 | u8 control_chan; |
| 267 | u8 ht_param; |
| 268 | __le16 operation_mode; |
| 269 | __le16 stbc_param; |
| 270 | u8 basic_set[16]; |
| 271 | } __attribute__ ((packed)); |
| 272 | |
| 273 | /* 802.11n HT capabilities masks */ |
| 274 | #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002 |
| 275 | #define IEEE80211_HT_CAP_MIMO_PS 0x000C |
| 276 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
| 277 | #define IEEE80211_HT_CAP_SGI_20 0x0020 |
| 278 | #define IEEE80211_HT_CAP_SGI_40 0x0040 |
| 279 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 |
| 280 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 |
| 281 | #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03 |
| 282 | #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C |
| 283 | /* 802.11n HT IE masks */ |
| 284 | #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03 |
| 285 | #define IEEE80211_HT_IE_CHA_WIDTH 0x04 |
| 286 | #define IEEE80211_HT_IE_HT_PROTECTION 0x0003 |
| 287 | #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 |
| 288 | #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 289 | |
Tomas Winkler | e53cfe0 | 2008-01-30 22:05:13 -0800 | [diff] [blame] | 290 | /* MIMO Power Save Modes */ |
| 291 | #define WLAN_HT_CAP_MIMO_PS_STATIC 0 |
| 292 | #define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1 |
| 293 | #define WLAN_HT_CAP_MIMO_PS_INVALID 2 |
| 294 | #define WLAN_HT_CAP_MIMO_PS_DISABLED 3 |
| 295 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 296 | /* Authentication algorithms */ |
| 297 | #define WLAN_AUTH_OPEN 0 |
| 298 | #define WLAN_AUTH_SHARED_KEY 1 |
| 299 | #define WLAN_AUTH_FAST_BSS_TRANSITION 2 |
| 300 | #define WLAN_AUTH_LEAP 128 |
| 301 | |
| 302 | #define WLAN_AUTH_CHALLENGE_LEN 128 |
| 303 | |
| 304 | #define WLAN_CAPABILITY_ESS (1<<0) |
| 305 | #define WLAN_CAPABILITY_IBSS (1<<1) |
| 306 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) |
| 307 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) |
| 308 | #define WLAN_CAPABILITY_PRIVACY (1<<4) |
| 309 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) |
| 310 | #define WLAN_CAPABILITY_PBCC (1<<6) |
| 311 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) |
| 312 | /* 802.11h */ |
| 313 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) |
| 314 | #define WLAN_CAPABILITY_QOS (1<<9) |
| 315 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) |
| 316 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) |
| 317 | |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 318 | /* 802.11g ERP information element */ |
| 319 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) |
| 320 | #define WLAN_ERP_USE_PROTECTION (1<<1) |
| 321 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) |
| 322 | |
| 323 | /* WLAN_ERP_BARKER_PREAMBLE values */ |
| 324 | enum { |
| 325 | WLAN_ERP_PREAMBLE_SHORT = 0, |
| 326 | WLAN_ERP_PREAMBLE_LONG = 1, |
| 327 | }; |
| 328 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 329 | /* Status codes */ |
| 330 | enum ieee80211_statuscode { |
| 331 | WLAN_STATUS_SUCCESS = 0, |
| 332 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, |
| 333 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, |
| 334 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, |
| 335 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, |
| 336 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, |
| 337 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, |
| 338 | WLAN_STATUS_CHALLENGE_FAIL = 15, |
| 339 | WLAN_STATUS_AUTH_TIMEOUT = 16, |
| 340 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, |
| 341 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, |
| 342 | /* 802.11b */ |
| 343 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, |
| 344 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, |
| 345 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, |
| 346 | /* 802.11h */ |
| 347 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, |
| 348 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, |
| 349 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, |
| 350 | /* 802.11g */ |
| 351 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, |
| 352 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, |
| 353 | /* 802.11i */ |
| 354 | WLAN_STATUS_INVALID_IE = 40, |
| 355 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, |
| 356 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, |
| 357 | WLAN_STATUS_INVALID_AKMP = 43, |
| 358 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, |
| 359 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, |
| 360 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 361 | /* 802.11e */ |
| 362 | WLAN_STATUS_UNSPECIFIED_QOS = 32, |
| 363 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, |
| 364 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, |
| 365 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, |
| 366 | WLAN_STATUS_REQUEST_DECLINED = 37, |
| 367 | WLAN_STATUS_INVALID_QOS_PARAM = 38, |
| 368 | WLAN_STATUS_CHANGE_TSPEC = 39, |
| 369 | WLAN_STATUS_WAIT_TS_DELAY = 47, |
| 370 | WLAN_STATUS_NO_DIRECT_LINK = 48, |
| 371 | WLAN_STATUS_STA_NOT_PRESENT = 49, |
| 372 | WLAN_STATUS_STA_NOT_QSTA = 50, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 373 | }; |
| 374 | |
| 375 | |
| 376 | /* Reason codes */ |
| 377 | enum ieee80211_reasoncode { |
| 378 | WLAN_REASON_UNSPECIFIED = 1, |
| 379 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, |
| 380 | WLAN_REASON_DEAUTH_LEAVING = 3, |
| 381 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, |
| 382 | WLAN_REASON_DISASSOC_AP_BUSY = 5, |
| 383 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, |
| 384 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, |
| 385 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, |
| 386 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, |
| 387 | /* 802.11h */ |
| 388 | WLAN_REASON_DISASSOC_BAD_POWER = 10, |
| 389 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, |
| 390 | /* 802.11i */ |
| 391 | WLAN_REASON_INVALID_IE = 13, |
| 392 | WLAN_REASON_MIC_FAILURE = 14, |
| 393 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, |
| 394 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, |
| 395 | WLAN_REASON_IE_DIFFERENT = 17, |
| 396 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, |
| 397 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, |
| 398 | WLAN_REASON_INVALID_AKMP = 20, |
| 399 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, |
| 400 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, |
| 401 | WLAN_REASON_IEEE8021X_FAILED = 23, |
| 402 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 403 | /* 802.11e */ |
| 404 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, |
| 405 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, |
| 406 | WLAN_REASON_DISASSOC_LOW_ACK = 34, |
| 407 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, |
| 408 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, |
| 409 | WLAN_REASON_QSTA_NOT_USE = 37, |
| 410 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, |
| 411 | WLAN_REASON_QSTA_TIMEOUT = 39, |
| 412 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 413 | }; |
| 414 | |
| 415 | |
| 416 | /* Information Element IDs */ |
| 417 | enum ieee80211_eid { |
| 418 | WLAN_EID_SSID = 0, |
| 419 | WLAN_EID_SUPP_RATES = 1, |
| 420 | WLAN_EID_FH_PARAMS = 2, |
| 421 | WLAN_EID_DS_PARAMS = 3, |
| 422 | WLAN_EID_CF_PARAMS = 4, |
| 423 | WLAN_EID_TIM = 5, |
| 424 | WLAN_EID_IBSS_PARAMS = 6, |
| 425 | WLAN_EID_CHALLENGE = 16, |
| 426 | /* 802.11d */ |
| 427 | WLAN_EID_COUNTRY = 7, |
| 428 | WLAN_EID_HP_PARAMS = 8, |
| 429 | WLAN_EID_HP_TABLE = 9, |
| 430 | WLAN_EID_REQUEST = 10, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 431 | /* 802.11e */ |
| 432 | WLAN_EID_QBSS_LOAD = 11, |
| 433 | WLAN_EID_EDCA_PARAM_SET = 12, |
| 434 | WLAN_EID_TSPEC = 13, |
| 435 | WLAN_EID_TCLAS = 14, |
| 436 | WLAN_EID_SCHEDULE = 15, |
| 437 | WLAN_EID_TS_DELAY = 43, |
| 438 | WLAN_EID_TCLAS_PROCESSING = 44, |
| 439 | WLAN_EID_QOS_CAPA = 46, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 440 | /* 802.11h */ |
| 441 | WLAN_EID_PWR_CONSTRAINT = 32, |
| 442 | WLAN_EID_PWR_CAPABILITY = 33, |
| 443 | WLAN_EID_TPC_REQUEST = 34, |
| 444 | WLAN_EID_TPC_REPORT = 35, |
| 445 | WLAN_EID_SUPPORTED_CHANNELS = 36, |
| 446 | WLAN_EID_CHANNEL_SWITCH = 37, |
| 447 | WLAN_EID_MEASURE_REQUEST = 38, |
| 448 | WLAN_EID_MEASURE_REPORT = 39, |
| 449 | WLAN_EID_QUIET = 40, |
| 450 | WLAN_EID_IBSS_DFS = 41, |
| 451 | /* 802.11g */ |
| 452 | WLAN_EID_ERP_INFO = 42, |
| 453 | WLAN_EID_EXT_SUPP_RATES = 50, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 454 | /* 802.11n */ |
| 455 | WLAN_EID_HT_CAPABILITY = 45, |
| 456 | WLAN_EID_HT_EXTRA_INFO = 61, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 457 | /* 802.11i */ |
| 458 | WLAN_EID_RSN = 48, |
| 459 | WLAN_EID_WPA = 221, |
| 460 | WLAN_EID_GENERIC = 221, |
| 461 | WLAN_EID_VENDOR_SPECIFIC = 221, |
| 462 | WLAN_EID_QOS_PARAMETER = 222 |
| 463 | }; |
| 464 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 465 | /* Action category code */ |
| 466 | enum ieee80211_category { |
| 467 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, |
| 468 | WLAN_CATEGORY_QOS = 1, |
| 469 | WLAN_CATEGORY_DLS = 2, |
| 470 | WLAN_CATEGORY_BACK = 3, |
| 471 | WLAN_CATEGORY_WMM = 17, |
| 472 | }; |
| 473 | |
| 474 | /* BACK action code */ |
| 475 | enum ieee80211_back_actioncode { |
| 476 | WLAN_ACTION_ADDBA_REQ = 0, |
| 477 | WLAN_ACTION_ADDBA_RESP = 1, |
| 478 | WLAN_ACTION_DELBA = 2, |
| 479 | }; |
| 480 | |
Ron Rindjunsky | 07db218 | 2007-12-25 17:00:33 +0200 | [diff] [blame] | 481 | /* BACK (block-ack) parties */ |
| 482 | enum ieee80211_back_parties { |
| 483 | WLAN_BACK_RECIPIENT = 0, |
| 484 | WLAN_BACK_INITIATOR = 1, |
| 485 | WLAN_BACK_TIMER = 2, |
| 486 | }; |
| 487 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 488 | /* A-MSDU 802.11n */ |
| 489 | #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 |
| 490 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 491 | /* cipher suite selectors */ |
| 492 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 |
| 493 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 |
| 494 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 |
| 495 | /* reserved: 0x000FAC03 */ |
| 496 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 |
| 497 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 |
| 498 | |
| 499 | #define WLAN_MAX_KEY_LEN 32 |
| 500 | |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 501 | /** |
| 502 | * ieee80211_get_SA - get pointer to SA |
| 503 | * |
| 504 | * Given an 802.11 frame, this function returns the offset |
| 505 | * to the source address (SA). It does not verify that the |
| 506 | * header is long enough to contain the address, and the |
| 507 | * header must be long enough to contain the frame control |
| 508 | * field. |
| 509 | * |
| 510 | * @hdr: the frame |
| 511 | */ |
| 512 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) |
| 513 | { |
| 514 | u8 *raw = (u8 *) hdr; |
| 515 | u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */ |
| 516 | |
| 517 | switch (tofrom) { |
| 518 | case 2: |
| 519 | return hdr->addr3; |
| 520 | case 3: |
| 521 | return hdr->addr4; |
| 522 | } |
| 523 | return hdr->addr2; |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * ieee80211_get_DA - get pointer to DA |
| 528 | * |
| 529 | * Given an 802.11 frame, this function returns the offset |
| 530 | * to the destination address (DA). It does not verify that |
| 531 | * the header is long enough to contain the address, and the |
| 532 | * header must be long enough to contain the frame control |
| 533 | * field. |
| 534 | * |
| 535 | * @hdr: the frame |
| 536 | */ |
| 537 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) |
| 538 | { |
| 539 | u8 *raw = (u8 *) hdr; |
| 540 | u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */ |
| 541 | |
| 542 | if (to_ds) |
| 543 | return hdr->addr3; |
| 544 | return hdr->addr1; |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set |
| 549 | * |
| 550 | * This function determines whether the "more fragments" bit is set |
| 551 | * in the frame. |
| 552 | * |
| 553 | * @hdr: the frame |
| 554 | */ |
| 555 | static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr) |
| 556 | { |
| 557 | return (le16_to_cpu(hdr->frame_control) & |
| 558 | IEEE80211_FCTL_MOREFRAGS) != 0; |
| 559 | } |
| 560 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 561 | #endif /* IEEE80211_H */ |