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 | |
John W. Linville | 9387b7c | 2008-09-30 20:59:05 -0400 | [diff] [blame] | 15 | #ifndef LINUX_IEEE80211_H |
| 16 | #define LINUX_IEEE80211_H |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 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 | |
Johannes Berg | 3f46b29 | 2009-03-14 19:10:51 +0100 | [diff] [blame] | 21 | /* |
| 22 | * DS bit usage |
| 23 | * |
| 24 | * TA = transmitter address |
| 25 | * RA = receiver address |
| 26 | * DA = destination address |
| 27 | * SA = source address |
| 28 | * |
| 29 | * ToDS FromDS A1(RA) A2(TA) A3 A4 Use |
| 30 | * ----------------------------------------------------------------- |
| 31 | * 0 0 DA SA BSSID - IBSS/DLS |
| 32 | * 0 1 DA BSSID SA - AP -> STA |
| 33 | * 1 0 BSSID SA DA - AP <- STA |
| 34 | * 1 1 RA TA DA SA unspecified (WDS) |
| 35 | */ |
| 36 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 37 | #define FCS_LEN 4 |
| 38 | |
| 39 | #define IEEE80211_FCTL_VERS 0x0003 |
| 40 | #define IEEE80211_FCTL_FTYPE 0x000c |
| 41 | #define IEEE80211_FCTL_STYPE 0x00f0 |
| 42 | #define IEEE80211_FCTL_TODS 0x0100 |
| 43 | #define IEEE80211_FCTL_FROMDS 0x0200 |
| 44 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 |
| 45 | #define IEEE80211_FCTL_RETRY 0x0800 |
| 46 | #define IEEE80211_FCTL_PM 0x1000 |
| 47 | #define IEEE80211_FCTL_MOREDATA 0x2000 |
| 48 | #define IEEE80211_FCTL_PROTECTED 0x4000 |
| 49 | #define IEEE80211_FCTL_ORDER 0x8000 |
| 50 | |
| 51 | #define IEEE80211_SCTL_FRAG 0x000F |
| 52 | #define IEEE80211_SCTL_SEQ 0xFFF0 |
| 53 | |
| 54 | #define IEEE80211_FTYPE_MGMT 0x0000 |
| 55 | #define IEEE80211_FTYPE_CTL 0x0004 |
| 56 | #define IEEE80211_FTYPE_DATA 0x0008 |
| 57 | |
| 58 | /* management */ |
| 59 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 |
| 60 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 |
| 61 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 |
| 62 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 |
| 63 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 |
| 64 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 |
| 65 | #define IEEE80211_STYPE_BEACON 0x0080 |
| 66 | #define IEEE80211_STYPE_ATIM 0x0090 |
| 67 | #define IEEE80211_STYPE_DISASSOC 0x00A0 |
| 68 | #define IEEE80211_STYPE_AUTH 0x00B0 |
| 69 | #define IEEE80211_STYPE_DEAUTH 0x00C0 |
| 70 | #define IEEE80211_STYPE_ACTION 0x00D0 |
| 71 | |
| 72 | /* control */ |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 73 | #define IEEE80211_STYPE_BACK_REQ 0x0080 |
| 74 | #define IEEE80211_STYPE_BACK 0x0090 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 75 | #define IEEE80211_STYPE_PSPOLL 0x00A0 |
| 76 | #define IEEE80211_STYPE_RTS 0x00B0 |
| 77 | #define IEEE80211_STYPE_CTS 0x00C0 |
| 78 | #define IEEE80211_STYPE_ACK 0x00D0 |
| 79 | #define IEEE80211_STYPE_CFEND 0x00E0 |
| 80 | #define IEEE80211_STYPE_CFENDACK 0x00F0 |
| 81 | |
| 82 | /* data */ |
| 83 | #define IEEE80211_STYPE_DATA 0x0000 |
| 84 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 |
| 85 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 |
| 86 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 |
| 87 | #define IEEE80211_STYPE_NULLFUNC 0x0040 |
| 88 | #define IEEE80211_STYPE_CFACK 0x0050 |
| 89 | #define IEEE80211_STYPE_CFPOLL 0x0060 |
| 90 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 |
| 91 | #define IEEE80211_STYPE_QOS_DATA 0x0080 |
| 92 | #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 |
| 93 | #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 |
| 94 | #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 |
| 95 | #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 |
| 96 | #define IEEE80211_STYPE_QOS_CFACK 0x00D0 |
| 97 | #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 |
| 98 | #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 |
| 99 | |
| 100 | |
| 101 | /* miscellaneous IEEE 802.11 constants */ |
Michael Wu | c237899 | 2007-10-30 16:50:05 -0400 | [diff] [blame] | 102 | #define IEEE80211_MAX_FRAG_THRESHOLD 2352 |
| 103 | #define IEEE80211_MAX_RTS_THRESHOLD 2353 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 104 | #define IEEE80211_MAX_AID 2007 |
| 105 | #define IEEE80211_MAX_TIM_LEN 251 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 106 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
| 107 | 6.2.1.1.2. |
| 108 | |
Michael Wu | c237899 | 2007-10-30 16:50:05 -0400 | [diff] [blame] | 109 | 802.11e clarifies the figure in section 7.1.2. The frame body is |
| 110 | up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ |
| 111 | #define IEEE80211_MAX_DATA_LEN 2304 |
| 112 | /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ |
| 113 | #define IEEE80211_MAX_FRAME_LEN 2352 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 114 | |
| 115 | #define IEEE80211_MAX_SSID_LEN 32 |
Johannes Berg | 1239cd5 | 2008-10-28 11:12:57 +0100 | [diff] [blame] | 116 | |
Luis Carlos Cobo | 37c5798 | 2008-02-23 15:17:04 +0100 | [diff] [blame] | 117 | #define IEEE80211_MAX_MESH_ID_LEN 32 |
Johannes Berg | 1239cd5 | 2008-10-28 11:12:57 +0100 | [diff] [blame] | 118 | |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 119 | #define IEEE80211_QOS_CTL_LEN 2 |
Harvey Harrison | 238f74a | 2008-07-02 11:05:34 -0700 | [diff] [blame] | 120 | #define IEEE80211_QOS_CTL_TID_MASK 0x000F |
| 121 | #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 122 | |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 123 | /* U-APSD queue for WMM IEs sent by AP */ |
| 124 | #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) |
| 125 | |
| 126 | /* U-APSD queues for WMM IEs sent by STA */ |
| 127 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) |
| 128 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) |
| 129 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) |
| 130 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) |
| 131 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f |
| 132 | |
| 133 | /* U-APSD max SP length for WMM IEs sent by STA */ |
| 134 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 |
| 135 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 |
| 136 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 |
| 137 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 |
| 138 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 |
| 139 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 |
| 140 | |
Andriy Tkachuk | d0dd2de | 2010-01-20 13:55:06 +0200 | [diff] [blame] | 141 | #define IEEE80211_HT_CTL_LEN 4 |
| 142 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 143 | struct ieee80211_hdr { |
| 144 | __le16 frame_control; |
| 145 | __le16 duration_id; |
| 146 | u8 addr1[6]; |
| 147 | u8 addr2[6]; |
| 148 | u8 addr3[6]; |
| 149 | __le16 seq_ctrl; |
| 150 | u8 addr4[6]; |
| 151 | } __attribute__ ((packed)); |
| 152 | |
Kalle Valo | 7044cc5 | 2010-01-05 20:16:19 +0200 | [diff] [blame] | 153 | struct ieee80211_hdr_3addr { |
| 154 | __le16 frame_control; |
| 155 | __le16 duration_id; |
| 156 | u8 addr1[6]; |
| 157 | u8 addr2[6]; |
| 158 | u8 addr3[6]; |
| 159 | __le16 seq_ctrl; |
| 160 | } __attribute__ ((packed)); |
| 161 | |
Kalle Valo | 558a666 | 2010-01-12 10:43:00 +0200 | [diff] [blame] | 162 | struct ieee80211_qos_hdr { |
| 163 | __le16 frame_control; |
| 164 | __le16 duration_id; |
| 165 | u8 addr1[6]; |
| 166 | u8 addr2[6]; |
| 167 | u8 addr3[6]; |
| 168 | __le16 seq_ctrl; |
| 169 | __le16 qos_ctrl; |
| 170 | } __attribute__ ((packed)); |
| 171 | |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 172 | /** |
| 173 | * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set |
| 174 | * @fc: frame control bytes in little-endian byteorder |
| 175 | */ |
| 176 | static inline int ieee80211_has_tods(__le16 fc) |
| 177 | { |
| 178 | return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set |
| 183 | * @fc: frame control bytes in little-endian byteorder |
| 184 | */ |
| 185 | static inline int ieee80211_has_fromds(__le16 fc) |
| 186 | { |
| 187 | return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set |
| 192 | * @fc: frame control bytes in little-endian byteorder |
| 193 | */ |
| 194 | static inline int ieee80211_has_a4(__le16 fc) |
| 195 | { |
| 196 | __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); |
| 197 | return (fc & tmp) == tmp; |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set |
| 202 | * @fc: frame control bytes in little-endian byteorder |
| 203 | */ |
| 204 | static inline int ieee80211_has_morefrags(__le16 fc) |
| 205 | { |
| 206 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set |
| 211 | * @fc: frame control bytes in little-endian byteorder |
| 212 | */ |
| 213 | static inline int ieee80211_has_retry(__le16 fc) |
| 214 | { |
| 215 | return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set |
| 220 | * @fc: frame control bytes in little-endian byteorder |
| 221 | */ |
| 222 | static inline int ieee80211_has_pm(__le16 fc) |
| 223 | { |
| 224 | return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set |
| 229 | * @fc: frame control bytes in little-endian byteorder |
| 230 | */ |
| 231 | static inline int ieee80211_has_moredata(__le16 fc) |
| 232 | { |
| 233 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set |
| 238 | * @fc: frame control bytes in little-endian byteorder |
| 239 | */ |
| 240 | static inline int ieee80211_has_protected(__le16 fc) |
| 241 | { |
| 242 | return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set |
| 247 | * @fc: frame control bytes in little-endian byteorder |
| 248 | */ |
| 249 | static inline int ieee80211_has_order(__le16 fc) |
| 250 | { |
| 251 | return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT |
| 256 | * @fc: frame control bytes in little-endian byteorder |
| 257 | */ |
| 258 | static inline int ieee80211_is_mgmt(__le16 fc) |
| 259 | { |
| 260 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
| 261 | cpu_to_le16(IEEE80211_FTYPE_MGMT); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL |
| 266 | * @fc: frame control bytes in little-endian byteorder |
| 267 | */ |
| 268 | static inline int ieee80211_is_ctl(__le16 fc) |
| 269 | { |
| 270 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
| 271 | cpu_to_le16(IEEE80211_FTYPE_CTL); |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA |
| 276 | * @fc: frame control bytes in little-endian byteorder |
| 277 | */ |
| 278 | static inline int ieee80211_is_data(__le16 fc) |
| 279 | { |
| 280 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
| 281 | cpu_to_le16(IEEE80211_FTYPE_DATA); |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set |
| 286 | * @fc: frame control bytes in little-endian byteorder |
| 287 | */ |
| 288 | static inline int ieee80211_is_data_qos(__le16 fc) |
| 289 | { |
| 290 | /* |
| 291 | * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need |
| 292 | * to check the one bit |
| 293 | */ |
| 294 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == |
| 295 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data |
| 300 | * @fc: frame control bytes in little-endian byteorder |
| 301 | */ |
| 302 | static inline int ieee80211_is_data_present(__le16 fc) |
| 303 | { |
| 304 | /* |
| 305 | * mask with 0x40 and test that that bit is clear to only return true |
| 306 | * for the data-containing substypes. |
| 307 | */ |
| 308 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == |
| 309 | cpu_to_le16(IEEE80211_FTYPE_DATA); |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ |
| 314 | * @fc: frame control bytes in little-endian byteorder |
| 315 | */ |
| 316 | static inline int ieee80211_is_assoc_req(__le16 fc) |
| 317 | { |
| 318 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 319 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP |
| 324 | * @fc: frame control bytes in little-endian byteorder |
| 325 | */ |
| 326 | static inline int ieee80211_is_assoc_resp(__le16 fc) |
| 327 | { |
| 328 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 329 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ |
| 334 | * @fc: frame control bytes in little-endian byteorder |
| 335 | */ |
| 336 | static inline int ieee80211_is_reassoc_req(__le16 fc) |
| 337 | { |
| 338 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 339 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP |
| 344 | * @fc: frame control bytes in little-endian byteorder |
| 345 | */ |
| 346 | static inline int ieee80211_is_reassoc_resp(__le16 fc) |
| 347 | { |
| 348 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 349 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ |
| 354 | * @fc: frame control bytes in little-endian byteorder |
| 355 | */ |
| 356 | static inline int ieee80211_is_probe_req(__le16 fc) |
| 357 | { |
| 358 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 359 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP |
| 364 | * @fc: frame control bytes in little-endian byteorder |
| 365 | */ |
| 366 | static inline int ieee80211_is_probe_resp(__le16 fc) |
| 367 | { |
| 368 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 369 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON |
| 374 | * @fc: frame control bytes in little-endian byteorder |
| 375 | */ |
| 376 | static inline int ieee80211_is_beacon(__le16 fc) |
| 377 | { |
| 378 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 379 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM |
| 384 | * @fc: frame control bytes in little-endian byteorder |
| 385 | */ |
| 386 | static inline int ieee80211_is_atim(__le16 fc) |
| 387 | { |
| 388 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 389 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC |
| 394 | * @fc: frame control bytes in little-endian byteorder |
| 395 | */ |
| 396 | static inline int ieee80211_is_disassoc(__le16 fc) |
| 397 | { |
| 398 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 399 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH |
| 404 | * @fc: frame control bytes in little-endian byteorder |
| 405 | */ |
| 406 | static inline int ieee80211_is_auth(__le16 fc) |
| 407 | { |
| 408 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 409 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH |
| 414 | * @fc: frame control bytes in little-endian byteorder |
| 415 | */ |
| 416 | static inline int ieee80211_is_deauth(__le16 fc) |
| 417 | { |
| 418 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 419 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION |
| 424 | * @fc: frame control bytes in little-endian byteorder |
| 425 | */ |
| 426 | static inline int ieee80211_is_action(__le16 fc) |
| 427 | { |
| 428 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 429 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ |
| 434 | * @fc: frame control bytes in little-endian byteorder |
| 435 | */ |
| 436 | static inline int ieee80211_is_back_req(__le16 fc) |
| 437 | { |
| 438 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 439 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK |
| 444 | * @fc: frame control bytes in little-endian byteorder |
| 445 | */ |
| 446 | static inline int ieee80211_is_back(__le16 fc) |
| 447 | { |
| 448 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 449 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL |
| 454 | * @fc: frame control bytes in little-endian byteorder |
| 455 | */ |
| 456 | static inline int ieee80211_is_pspoll(__le16 fc) |
| 457 | { |
| 458 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 459 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS |
| 464 | * @fc: frame control bytes in little-endian byteorder |
| 465 | */ |
| 466 | static inline int ieee80211_is_rts(__le16 fc) |
| 467 | { |
| 468 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 469 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS |
| 474 | * @fc: frame control bytes in little-endian byteorder |
| 475 | */ |
| 476 | static inline int ieee80211_is_cts(__le16 fc) |
| 477 | { |
| 478 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 479 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); |
| 480 | } |
| 481 | |
| 482 | /** |
| 483 | * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK |
| 484 | * @fc: frame control bytes in little-endian byteorder |
| 485 | */ |
| 486 | static inline int ieee80211_is_ack(__le16 fc) |
| 487 | { |
| 488 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 489 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); |
| 490 | } |
| 491 | |
| 492 | /** |
| 493 | * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND |
| 494 | * @fc: frame control bytes in little-endian byteorder |
| 495 | */ |
| 496 | static inline int ieee80211_is_cfend(__le16 fc) |
| 497 | { |
| 498 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 499 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); |
| 500 | } |
| 501 | |
| 502 | /** |
| 503 | * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK |
| 504 | * @fc: frame control bytes in little-endian byteorder |
| 505 | */ |
| 506 | static inline int ieee80211_is_cfendack(__le16 fc) |
| 507 | { |
| 508 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 509 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); |
| 510 | } |
| 511 | |
| 512 | /** |
Johannes Berg | 22403de | 2009-10-30 12:55:03 +0100 | [diff] [blame] | 513 | * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 514 | * @fc: frame control bytes in little-endian byteorder |
| 515 | */ |
| 516 | static inline int ieee80211_is_nullfunc(__le16 fc) |
| 517 | { |
| 518 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 519 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); |
| 520 | } |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 521 | |
Johannes Berg | 22403de | 2009-10-30 12:55:03 +0100 | [diff] [blame] | 522 | /** |
| 523 | * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame |
| 524 | * @fc: frame control bytes in little-endian byteorder |
| 525 | */ |
| 526 | static inline int ieee80211_is_qos_nullfunc(__le16 fc) |
| 527 | { |
| 528 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| 529 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); |
| 530 | } |
| 531 | |
Luis Carlos Cobo | 37c5798 | 2008-02-23 15:17:04 +0100 | [diff] [blame] | 532 | struct ieee80211s_hdr { |
| 533 | u8 flags; |
| 534 | u8 ttl; |
Luis Carlos Cobo | 51cedda | 2008-04-23 12:15:29 -0700 | [diff] [blame] | 535 | __le32 seqnum; |
Luis Carlos Cobo | 37c5798 | 2008-02-23 15:17:04 +0100 | [diff] [blame] | 536 | u8 eaddr1[6]; |
| 537 | u8 eaddr2[6]; |
| 538 | u8 eaddr3[6]; |
| 539 | } __attribute__ ((packed)); |
| 540 | |
YanBo | 79617de | 2008-09-22 13:30:32 +0800 | [diff] [blame] | 541 | /* Mesh flags */ |
| 542 | #define MESH_FLAGS_AE_A4 0x1 |
| 543 | #define MESH_FLAGS_AE_A5_A6 0x2 |
Zhu Yi | e31a16d | 2009-05-21 21:47:03 +0800 | [diff] [blame] | 544 | #define MESH_FLAGS_AE 0x3 |
YanBo | 79617de | 2008-09-22 13:30:32 +0800 | [diff] [blame] | 545 | #define MESH_FLAGS_PS_DEEP 0x4 |
| 546 | |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 547 | /** |
| 548 | * struct ieee80211_quiet_ie |
| 549 | * |
| 550 | * This structure refers to "Quiet information element" |
| 551 | */ |
| 552 | struct ieee80211_quiet_ie { |
| 553 | u8 count; |
| 554 | u8 period; |
| 555 | __le16 duration; |
| 556 | __le16 offset; |
| 557 | } __attribute__ ((packed)); |
| 558 | |
| 559 | /** |
| 560 | * struct ieee80211_msrment_ie |
| 561 | * |
| 562 | * This structure refers to "Measurement Request/Report information element" |
| 563 | */ |
| 564 | struct ieee80211_msrment_ie { |
| 565 | u8 token; |
| 566 | u8 mode; |
| 567 | u8 type; |
| 568 | u8 request[0]; |
| 569 | } __attribute__ ((packed)); |
| 570 | |
| 571 | /** |
| 572 | * struct ieee80211_channel_sw_ie |
| 573 | * |
| 574 | * This structure refers to "Channel Switch Announcement information element" |
| 575 | */ |
| 576 | struct ieee80211_channel_sw_ie { |
| 577 | u8 mode; |
| 578 | u8 new_ch_num; |
| 579 | u8 count; |
| 580 | } __attribute__ ((packed)); |
Luis Carlos Cobo | 37c5798 | 2008-02-23 15:17:04 +0100 | [diff] [blame] | 581 | |
Emmanuel Grumbach | 98f7dfd | 2008-07-18 13:52:59 +0800 | [diff] [blame] | 582 | /** |
| 583 | * struct ieee80211_tim |
| 584 | * |
| 585 | * This structure refers to "Traffic Indication Map information element" |
| 586 | */ |
| 587 | struct ieee80211_tim_ie { |
| 588 | u8 dtim_count; |
| 589 | u8 dtim_period; |
| 590 | u8 bitmap_ctrl; |
| 591 | /* variable size: 1 - 251 bytes */ |
Johannes Berg | e7ec86f | 2009-04-18 17:33:24 +0200 | [diff] [blame] | 592 | u8 virtual_map[1]; |
Emmanuel Grumbach | 98f7dfd | 2008-07-18 13:52:59 +0800 | [diff] [blame] | 593 | } __attribute__ ((packed)); |
| 594 | |
Rui Paulo | 90a5e16 | 2009-11-11 00:01:31 +0000 | [diff] [blame] | 595 | /** |
Rui Paulo | 136cfa2 | 2009-11-18 18:40:00 +0000 | [diff] [blame] | 596 | * struct ieee80211_meshconf_ie |
| 597 | * |
| 598 | * This structure refers to "Mesh Configuration information element" |
| 599 | */ |
| 600 | struct ieee80211_meshconf_ie { |
| 601 | u8 meshconf_psel; |
| 602 | u8 meshconf_pmetric; |
| 603 | u8 meshconf_congest; |
| 604 | u8 meshconf_synch; |
| 605 | u8 meshconf_auth; |
| 606 | u8 meshconf_form; |
| 607 | u8 meshconf_cap; |
| 608 | } __attribute__ ((packed)); |
| 609 | |
| 610 | /** |
Rui Paulo | 90a5e16 | 2009-11-11 00:01:31 +0000 | [diff] [blame] | 611 | * struct ieee80211_rann_ie |
| 612 | * |
| 613 | * This structure refers to "Root Announcement information element" |
| 614 | */ |
| 615 | struct ieee80211_rann_ie { |
| 616 | u8 rann_flags; |
| 617 | u8 rann_hopcount; |
| 618 | u8 rann_ttl; |
| 619 | u8 rann_addr[6]; |
| 620 | u32 rann_seq; |
| 621 | u32 rann_metric; |
| 622 | } __attribute__ ((packed)); |
| 623 | |
Jouni Malinen | 9dfd6ba | 2009-05-06 20:34:10 +0300 | [diff] [blame] | 624 | #define WLAN_SA_QUERY_TR_ID_LEN 2 |
Jouni Malinen | fea1473 | 2009-01-08 13:32:06 +0200 | [diff] [blame] | 625 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 626 | struct ieee80211_mgmt { |
| 627 | __le16 frame_control; |
| 628 | __le16 duration; |
| 629 | u8 da[6]; |
| 630 | u8 sa[6]; |
| 631 | u8 bssid[6]; |
| 632 | __le16 seq_ctrl; |
| 633 | union { |
| 634 | struct { |
| 635 | __le16 auth_alg; |
| 636 | __le16 auth_transaction; |
| 637 | __le16 status_code; |
| 638 | /* possibly followed by Challenge text */ |
| 639 | u8 variable[0]; |
| 640 | } __attribute__ ((packed)) auth; |
| 641 | struct { |
| 642 | __le16 reason_code; |
| 643 | } __attribute__ ((packed)) deauth; |
| 644 | struct { |
| 645 | __le16 capab_info; |
| 646 | __le16 listen_interval; |
| 647 | /* followed by SSID and Supported rates */ |
| 648 | u8 variable[0]; |
| 649 | } __attribute__ ((packed)) assoc_req; |
| 650 | struct { |
| 651 | __le16 capab_info; |
| 652 | __le16 status_code; |
| 653 | __le16 aid; |
| 654 | /* followed by Supported rates */ |
| 655 | u8 variable[0]; |
| 656 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; |
| 657 | struct { |
| 658 | __le16 capab_info; |
| 659 | __le16 listen_interval; |
| 660 | u8 current_ap[6]; |
| 661 | /* followed by SSID and Supported rates */ |
| 662 | u8 variable[0]; |
| 663 | } __attribute__ ((packed)) reassoc_req; |
| 664 | struct { |
| 665 | __le16 reason_code; |
| 666 | } __attribute__ ((packed)) disassoc; |
| 667 | struct { |
| 668 | __le64 timestamp; |
| 669 | __le16 beacon_int; |
| 670 | __le16 capab_info; |
| 671 | /* followed by some of SSID, Supported rates, |
| 672 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ |
| 673 | u8 variable[0]; |
| 674 | } __attribute__ ((packed)) beacon; |
| 675 | struct { |
| 676 | /* only variable items: SSID, Supported rates */ |
| 677 | u8 variable[0]; |
| 678 | } __attribute__ ((packed)) probe_req; |
| 679 | struct { |
| 680 | __le64 timestamp; |
| 681 | __le16 beacon_int; |
| 682 | __le16 capab_info; |
| 683 | /* followed by some of SSID, Supported rates, |
| 684 | * FH Params, DS Params, CF Params, IBSS Params */ |
| 685 | u8 variable[0]; |
| 686 | } __attribute__ ((packed)) probe_resp; |
| 687 | struct { |
| 688 | u8 category; |
| 689 | union { |
| 690 | struct { |
| 691 | u8 action_code; |
| 692 | u8 dialog_token; |
| 693 | u8 status_code; |
| 694 | u8 variable[0]; |
| 695 | } __attribute__ ((packed)) wme_action; |
| 696 | struct{ |
| 697 | u8 action_code; |
| 698 | u8 element_id; |
| 699 | u8 length; |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 700 | struct ieee80211_channel_sw_ie sw_elem; |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 701 | } __attribute__((packed)) chan_switch; |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 702 | struct{ |
| 703 | u8 action_code; |
| 704 | u8 dialog_token; |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 705 | u8 element_id; |
| 706 | u8 length; |
| 707 | struct ieee80211_msrment_ie msr_elem; |
| 708 | } __attribute__((packed)) measurement; |
| 709 | struct{ |
| 710 | u8 action_code; |
| 711 | u8 dialog_token; |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 712 | __le16 capab; |
| 713 | __le16 timeout; |
| 714 | __le16 start_seq_num; |
| 715 | } __attribute__((packed)) addba_req; |
| 716 | struct{ |
| 717 | u8 action_code; |
| 718 | u8 dialog_token; |
| 719 | __le16 status; |
| 720 | __le16 capab; |
| 721 | __le16 timeout; |
| 722 | } __attribute__((packed)) addba_resp; |
| 723 | struct{ |
| 724 | u8 action_code; |
| 725 | __le16 params; |
| 726 | __le16 reason_code; |
| 727 | } __attribute__((packed)) delba; |
Luis Carlos Cobo | 37c5798 | 2008-02-23 15:17:04 +0100 | [diff] [blame] | 728 | struct{ |
| 729 | u8 action_code; |
| 730 | /* capab_info for open and confirm, |
| 731 | * reason for close |
| 732 | */ |
| 733 | __le16 aux; |
| 734 | /* Followed in plink_confirm by status |
| 735 | * code, AID and supported rates, |
| 736 | * and directly by supported rates in |
| 737 | * plink_open and plink_close |
| 738 | */ |
| 739 | u8 variable[0]; |
| 740 | } __attribute__((packed)) plink_action; |
| 741 | struct{ |
| 742 | u8 action_code; |
| 743 | u8 variable[0]; |
| 744 | } __attribute__((packed)) mesh_action; |
Jouni Malinen | fea1473 | 2009-01-08 13:32:06 +0200 | [diff] [blame] | 745 | struct { |
| 746 | u8 action; |
| 747 | u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; |
| 748 | } __attribute__ ((packed)) sa_query; |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 749 | struct { |
| 750 | u8 action; |
| 751 | u8 smps_control; |
| 752 | } __attribute__ ((packed)) ht_smps; |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 753 | } u; |
| 754 | } __attribute__ ((packed)) action; |
| 755 | } u; |
| 756 | } __attribute__ ((packed)); |
| 757 | |
Johannes Berg | 44d414d | 2008-09-08 17:44:28 +0200 | [diff] [blame] | 758 | /* mgmt header + 1 byte category code */ |
| 759 | #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) |
| 760 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 761 | |
Jouni Malinen | 765cb46 | 2009-01-08 13:32:01 +0200 | [diff] [blame] | 762 | /* Management MIC information element (IEEE 802.11w) */ |
| 763 | struct ieee80211_mmie { |
| 764 | u8 element_id; |
| 765 | u8 length; |
| 766 | __le16 key_id; |
| 767 | u8 sequence_number[6]; |
| 768 | u8 mic[8]; |
| 769 | } __attribute__ ((packed)); |
| 770 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 771 | /* Control frames */ |
| 772 | struct ieee80211_rts { |
| 773 | __le16 frame_control; |
| 774 | __le16 duration; |
| 775 | u8 ra[6]; |
| 776 | u8 ta[6]; |
| 777 | } __attribute__ ((packed)); |
| 778 | |
| 779 | struct ieee80211_cts { |
| 780 | __le16 frame_control; |
| 781 | __le16 duration; |
| 782 | u8 ra[6]; |
| 783 | } __attribute__ ((packed)); |
| 784 | |
Jouni Malinen | fc6971d | 2008-10-30 19:59:05 +0200 | [diff] [blame] | 785 | struct ieee80211_pspoll { |
| 786 | __le16 frame_control; |
| 787 | __le16 aid; |
| 788 | u8 bssid[6]; |
| 789 | u8 ta[6]; |
| 790 | } __attribute__ ((packed)); |
| 791 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 792 | /** |
| 793 | * struct ieee80211_bar - HT Block Ack Request |
| 794 | * |
| 795 | * This structure refers to "HT BlockAckReq" as |
| 796 | * described in 802.11n draft section 7.2.1.7.1 |
| 797 | */ |
| 798 | struct ieee80211_bar { |
| 799 | __le16 frame_control; |
| 800 | __le16 duration; |
| 801 | __u8 ra[6]; |
| 802 | __u8 ta[6]; |
Ron Rindjunsky | a8b47ea | 2008-01-21 12:39:11 +0200 | [diff] [blame] | 803 | __le16 control; |
| 804 | __le16 start_seq_num; |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 805 | } __attribute__((packed)); |
| 806 | |
Ron Rindjunsky | 429a380 | 2008-07-01 14:16:03 +0300 | [diff] [blame] | 807 | /* 802.11 BAR control masks */ |
| 808 | #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 |
| 809 | #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 |
| 810 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 811 | |
| 812 | #define IEEE80211_HT_MCS_MASK_LEN 10 |
| 813 | |
| 814 | /** |
| 815 | * struct ieee80211_mcs_info - MCS information |
| 816 | * @rx_mask: RX mask |
Luis R. Rodriguez | 9da3e06 | 2009-12-07 15:57:50 -0500 | [diff] [blame] | 817 | * @rx_highest: highest supported RX rate. If set represents |
| 818 | * the highest supported RX data rate in units of 1 Mbps. |
| 819 | * If this field is 0 this value should not be used to |
| 820 | * consider the highest RX data rate supported. |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 821 | * @tx_params: TX parameters |
| 822 | */ |
| 823 | struct ieee80211_mcs_info { |
| 824 | u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; |
| 825 | __le16 rx_highest; |
| 826 | u8 tx_params; |
| 827 | u8 reserved[3]; |
| 828 | } __attribute__((packed)); |
| 829 | |
| 830 | /* 802.11n HT capability MSC set */ |
| 831 | #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff |
| 832 | #define IEEE80211_HT_MCS_TX_DEFINED 0x01 |
| 833 | #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 |
| 834 | /* value 0 == 1 stream etc */ |
| 835 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C |
| 836 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 |
| 837 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 |
| 838 | #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 |
| 839 | |
| 840 | /* |
| 841 | * 802.11n D5.0 20.3.5 / 20.6 says: |
| 842 | * - indices 0 to 7 and 32 are single spatial stream |
| 843 | * - 8 to 31 are multiple spatial streams using equal modulation |
| 844 | * [8..15 for two streams, 16..23 for three and 24..31 for four] |
| 845 | * - remainder are multiple spatial streams using unequal modulation |
| 846 | */ |
| 847 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 |
| 848 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ |
| 849 | (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) |
| 850 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 851 | /** |
| 852 | * struct ieee80211_ht_cap - HT capabilities |
| 853 | * |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 854 | * This structure is the "HT capabilities element" as |
| 855 | * described in 802.11n D5.0 7.3.2.57 |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 856 | */ |
| 857 | struct ieee80211_ht_cap { |
| 858 | __le16 cap_info; |
| 859 | u8 ampdu_params_info; |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 860 | |
| 861 | /* 16 bytes MCS information */ |
| 862 | struct ieee80211_mcs_info mcs; |
| 863 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 864 | __le16 extended_ht_cap_info; |
| 865 | __le32 tx_BF_cap_info; |
| 866 | u8 antenna_selection_info; |
| 867 | } __attribute__ ((packed)); |
| 868 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 869 | /* 802.11n HT capabilities masks (for cap_info) */ |
| 870 | #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 |
| 871 | #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 |
| 872 | #define IEEE80211_HT_CAP_SM_PS 0x000C |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 873 | #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 874 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
| 875 | #define IEEE80211_HT_CAP_SGI_20 0x0020 |
| 876 | #define IEEE80211_HT_CAP_SGI_40 0x0040 |
| 877 | #define IEEE80211_HT_CAP_TX_STBC 0x0080 |
| 878 | #define IEEE80211_HT_CAP_RX_STBC 0x0300 |
| 879 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 |
| 880 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 |
| 881 | #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 |
Johannes Berg | 9a418af | 2009-12-17 13:55:48 +0100 | [diff] [blame] | 882 | #define IEEE80211_HT_CAP_RESERVED 0x2000 |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 883 | #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 |
| 884 | #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 |
| 885 | |
| 886 | /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ |
| 887 | #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 |
| 888 | #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 889 | #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 890 | |
Sujith | d1eba24 | 2009-07-23 15:31:31 +0530 | [diff] [blame] | 891 | /* |
| 892 | * Maximum length of AMPDU that the STA can receive. |
| 893 | * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) |
| 894 | */ |
| 895 | enum ieee80211_max_ampdu_length_exp { |
| 896 | IEEE80211_HT_MAX_AMPDU_8K = 0, |
| 897 | IEEE80211_HT_MAX_AMPDU_16K = 1, |
| 898 | IEEE80211_HT_MAX_AMPDU_32K = 2, |
| 899 | IEEE80211_HT_MAX_AMPDU_64K = 3 |
| 900 | }; |
| 901 | |
| 902 | #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 |
| 903 | |
| 904 | /* Minimum MPDU start spacing */ |
| 905 | enum ieee80211_min_mpdu_spacing { |
| 906 | IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ |
| 907 | IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ |
| 908 | IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ |
| 909 | IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ |
| 910 | IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ |
| 911 | IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ |
| 912 | IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ |
| 913 | IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ |
| 914 | }; |
| 915 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 916 | /** |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 917 | * struct ieee80211_ht_info - HT information |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 918 | * |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 919 | * This structure is the "HT information element" as |
| 920 | * described in 802.11n D5.0 7.3.2.58 |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 921 | */ |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 922 | struct ieee80211_ht_info { |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 923 | u8 control_chan; |
| 924 | u8 ht_param; |
| 925 | __le16 operation_mode; |
| 926 | __le16 stbc_param; |
| 927 | u8 basic_set[16]; |
| 928 | } __attribute__ ((packed)); |
| 929 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 930 | /* for ht_param */ |
| 931 | #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 |
| 932 | #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 |
| 933 | #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 |
| 934 | #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 |
| 935 | #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 |
| 936 | #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 |
| 937 | #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10 |
| 938 | #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0 |
| 939 | |
| 940 | /* for operation_mode */ |
| 941 | #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 |
| 942 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 |
| 943 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 |
| 944 | #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 |
| 945 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 |
| 946 | #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 |
| 947 | #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 |
| 948 | |
| 949 | /* for stbc_param */ |
| 950 | #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 |
| 951 | #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 |
| 952 | #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 |
| 953 | #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 |
| 954 | #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 |
| 955 | #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 |
| 956 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 957 | |
Johannes Berg | 44d414d | 2008-09-08 17:44:28 +0200 | [diff] [blame] | 958 | /* block-ack parameters */ |
| 959 | #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 |
| 960 | #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C |
| 961 | #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0 |
| 962 | #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 |
| 963 | #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 |
| 964 | |
| 965 | /* |
| 966 | * A-PMDU buffer sizes |
| 967 | * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) |
| 968 | */ |
| 969 | #define IEEE80211_MIN_AMPDU_BUF 0x8 |
| 970 | #define IEEE80211_MAX_AMPDU_BUF 0x40 |
| 971 | |
| 972 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 973 | /* Spatial Multiplexing Power Save Modes (for capability) */ |
Tomas Winkler | 00c5ae2 | 2008-09-03 11:26:42 +0800 | [diff] [blame] | 974 | #define WLAN_HT_CAP_SM_PS_STATIC 0 |
| 975 | #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 |
| 976 | #define WLAN_HT_CAP_SM_PS_INVALID 2 |
| 977 | #define WLAN_HT_CAP_SM_PS_DISABLED 3 |
Tomas Winkler | e53cfe0 | 2008-01-30 22:05:13 -0800 | [diff] [blame] | 978 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 979 | /* for SM power control field lower two bits */ |
| 980 | #define WLAN_HT_SMPS_CONTROL_DISABLED 0 |
| 981 | #define WLAN_HT_SMPS_CONTROL_STATIC 1 |
| 982 | #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 |
| 983 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 984 | /* Authentication algorithms */ |
| 985 | #define WLAN_AUTH_OPEN 0 |
| 986 | #define WLAN_AUTH_SHARED_KEY 1 |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 987 | #define WLAN_AUTH_FT 2 |
Senthil Balasubramanian | bb608e9 | 2008-12-04 20:38:13 +0530 | [diff] [blame] | 988 | #define WLAN_AUTH_LEAP 128 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 989 | |
| 990 | #define WLAN_AUTH_CHALLENGE_LEN 128 |
| 991 | |
| 992 | #define WLAN_CAPABILITY_ESS (1<<0) |
| 993 | #define WLAN_CAPABILITY_IBSS (1<<1) |
| 994 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) |
| 995 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) |
| 996 | #define WLAN_CAPABILITY_PRIVACY (1<<4) |
| 997 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) |
| 998 | #define WLAN_CAPABILITY_PBCC (1<<6) |
| 999 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) |
Assaf Krauss | b662348 | 2008-06-16 16:09:49 +0300 | [diff] [blame] | 1000 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1001 | /* 802.11h */ |
| 1002 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) |
| 1003 | #define WLAN_CAPABILITY_QOS (1<<9) |
| 1004 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) |
| 1005 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) |
Assaf Krauss | b662348 | 2008-06-16 16:09:49 +0300 | [diff] [blame] | 1006 | /* measurement */ |
| 1007 | #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) |
| 1008 | #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) |
| 1009 | #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) |
| 1010 | |
| 1011 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 |
| 1012 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 |
| 1013 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 |
| 1014 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1015 | |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 1016 | /* 802.11g ERP information element */ |
| 1017 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) |
| 1018 | #define WLAN_ERP_USE_PROTECTION (1<<1) |
| 1019 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) |
| 1020 | |
| 1021 | /* WLAN_ERP_BARKER_PREAMBLE values */ |
| 1022 | enum { |
| 1023 | WLAN_ERP_PREAMBLE_SHORT = 0, |
| 1024 | WLAN_ERP_PREAMBLE_LONG = 1, |
| 1025 | }; |
| 1026 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1027 | /* Status codes */ |
| 1028 | enum ieee80211_statuscode { |
| 1029 | WLAN_STATUS_SUCCESS = 0, |
| 1030 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, |
| 1031 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, |
| 1032 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, |
| 1033 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, |
| 1034 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, |
| 1035 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, |
| 1036 | WLAN_STATUS_CHALLENGE_FAIL = 15, |
| 1037 | WLAN_STATUS_AUTH_TIMEOUT = 16, |
| 1038 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, |
| 1039 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, |
| 1040 | /* 802.11b */ |
| 1041 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, |
| 1042 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, |
| 1043 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, |
| 1044 | /* 802.11h */ |
| 1045 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, |
| 1046 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, |
| 1047 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, |
| 1048 | /* 802.11g */ |
| 1049 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, |
| 1050 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, |
Jouni Malinen | 63a5ab8 | 2009-01-08 13:32:09 +0200 | [diff] [blame] | 1051 | /* 802.11w */ |
| 1052 | WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, |
| 1053 | WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1054 | /* 802.11i */ |
| 1055 | WLAN_STATUS_INVALID_IE = 40, |
| 1056 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, |
| 1057 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, |
| 1058 | WLAN_STATUS_INVALID_AKMP = 43, |
| 1059 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, |
| 1060 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, |
| 1061 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1062 | /* 802.11e */ |
| 1063 | WLAN_STATUS_UNSPECIFIED_QOS = 32, |
| 1064 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, |
| 1065 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, |
| 1066 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, |
| 1067 | WLAN_STATUS_REQUEST_DECLINED = 37, |
| 1068 | WLAN_STATUS_INVALID_QOS_PARAM = 38, |
| 1069 | WLAN_STATUS_CHANGE_TSPEC = 39, |
| 1070 | WLAN_STATUS_WAIT_TS_DELAY = 47, |
| 1071 | WLAN_STATUS_NO_DIRECT_LINK = 48, |
| 1072 | WLAN_STATUS_STA_NOT_PRESENT = 49, |
| 1073 | WLAN_STATUS_STA_NOT_QSTA = 50, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1074 | }; |
| 1075 | |
| 1076 | |
| 1077 | /* Reason codes */ |
| 1078 | enum ieee80211_reasoncode { |
| 1079 | WLAN_REASON_UNSPECIFIED = 1, |
| 1080 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, |
| 1081 | WLAN_REASON_DEAUTH_LEAVING = 3, |
| 1082 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, |
| 1083 | WLAN_REASON_DISASSOC_AP_BUSY = 5, |
| 1084 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, |
| 1085 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, |
| 1086 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, |
| 1087 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, |
| 1088 | /* 802.11h */ |
| 1089 | WLAN_REASON_DISASSOC_BAD_POWER = 10, |
| 1090 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, |
| 1091 | /* 802.11i */ |
| 1092 | WLAN_REASON_INVALID_IE = 13, |
| 1093 | WLAN_REASON_MIC_FAILURE = 14, |
| 1094 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, |
| 1095 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, |
| 1096 | WLAN_REASON_IE_DIFFERENT = 17, |
| 1097 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, |
| 1098 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, |
| 1099 | WLAN_REASON_INVALID_AKMP = 20, |
| 1100 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, |
| 1101 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, |
| 1102 | WLAN_REASON_IEEE8021X_FAILED = 23, |
| 1103 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1104 | /* 802.11e */ |
| 1105 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, |
| 1106 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, |
| 1107 | WLAN_REASON_DISASSOC_LOW_ACK = 34, |
| 1108 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, |
| 1109 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, |
| 1110 | WLAN_REASON_QSTA_NOT_USE = 37, |
| 1111 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, |
| 1112 | WLAN_REASON_QSTA_TIMEOUT = 39, |
| 1113 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1114 | }; |
| 1115 | |
| 1116 | |
| 1117 | /* Information Element IDs */ |
| 1118 | enum ieee80211_eid { |
| 1119 | WLAN_EID_SSID = 0, |
| 1120 | WLAN_EID_SUPP_RATES = 1, |
| 1121 | WLAN_EID_FH_PARAMS = 2, |
| 1122 | WLAN_EID_DS_PARAMS = 3, |
| 1123 | WLAN_EID_CF_PARAMS = 4, |
| 1124 | WLAN_EID_TIM = 5, |
| 1125 | WLAN_EID_IBSS_PARAMS = 6, |
| 1126 | WLAN_EID_CHALLENGE = 16, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1127 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1128 | WLAN_EID_COUNTRY = 7, |
| 1129 | WLAN_EID_HP_PARAMS = 8, |
| 1130 | WLAN_EID_HP_TABLE = 9, |
| 1131 | WLAN_EID_REQUEST = 10, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1132 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1133 | WLAN_EID_QBSS_LOAD = 11, |
| 1134 | WLAN_EID_EDCA_PARAM_SET = 12, |
| 1135 | WLAN_EID_TSPEC = 13, |
| 1136 | WLAN_EID_TCLAS = 14, |
| 1137 | WLAN_EID_SCHEDULE = 15, |
| 1138 | WLAN_EID_TS_DELAY = 43, |
| 1139 | WLAN_EID_TCLAS_PROCESSING = 44, |
| 1140 | WLAN_EID_QOS_CAPA = 46, |
Luis Carlos Cobo | d619ee0 | 2008-04-23 12:34:59 -0700 | [diff] [blame] | 1141 | /* 802.11s |
| 1142 | * |
| 1143 | * All mesh EID numbers are pending IEEE 802.11 ANA approval. |
| 1144 | * The numbers have been incremented from those suggested in |
| 1145 | * 802.11s/D2.0 so that MESH_CONFIG does not conflict with |
| 1146 | * EXT_SUPP_RATES. |
| 1147 | */ |
| 1148 | WLAN_EID_MESH_CONFIG = 51, |
| 1149 | WLAN_EID_MESH_ID = 52, |
| 1150 | WLAN_EID_PEER_LINK = 55, |
| 1151 | WLAN_EID_PREQ = 68, |
| 1152 | WLAN_EID_PREP = 69, |
| 1153 | WLAN_EID_PERR = 70, |
Rui Paulo | 90a5e16 | 2009-11-11 00:01:31 +0000 | [diff] [blame] | 1154 | WLAN_EID_RANN = 49, /* compatible with FreeBSD */ |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1155 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1156 | WLAN_EID_PWR_CONSTRAINT = 32, |
| 1157 | WLAN_EID_PWR_CAPABILITY = 33, |
| 1158 | WLAN_EID_TPC_REQUEST = 34, |
| 1159 | WLAN_EID_TPC_REPORT = 35, |
| 1160 | WLAN_EID_SUPPORTED_CHANNELS = 36, |
| 1161 | WLAN_EID_CHANNEL_SWITCH = 37, |
| 1162 | WLAN_EID_MEASURE_REQUEST = 38, |
| 1163 | WLAN_EID_MEASURE_REPORT = 39, |
| 1164 | WLAN_EID_QUIET = 40, |
| 1165 | WLAN_EID_IBSS_DFS = 41, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1166 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1167 | WLAN_EID_ERP_INFO = 42, |
| 1168 | WLAN_EID_EXT_SUPP_RATES = 50, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1169 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1170 | WLAN_EID_HT_CAPABILITY = 45, |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 1171 | WLAN_EID_HT_INFORMATION = 61, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1172 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1173 | WLAN_EID_RSN = 48, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1174 | WLAN_EID_MMIE = 76, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1175 | WLAN_EID_WPA = 221, |
| 1176 | WLAN_EID_GENERIC = 221, |
| 1177 | WLAN_EID_VENDOR_SPECIFIC = 221, |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1178 | WLAN_EID_QOS_PARAMETER = 222, |
| 1179 | |
| 1180 | WLAN_EID_AP_CHAN_REPORT = 51, |
| 1181 | WLAN_EID_NEIGHBOR_REPORT = 52, |
| 1182 | WLAN_EID_RCPI = 53, |
| 1183 | WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, |
| 1184 | WLAN_EID_ANTENNA_INFO = 64, |
| 1185 | WLAN_EID_RSNI = 65, |
| 1186 | WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, |
| 1187 | WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, |
| 1188 | WLAN_EID_BSS_AC_ACCESS_DELAY = 68, |
| 1189 | WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, |
| 1190 | WLAN_EID_MULTIPLE_BSSID = 71, |
| 1191 | |
| 1192 | WLAN_EID_MOBILITY_DOMAIN = 54, |
| 1193 | WLAN_EID_FAST_BSS_TRANSITION = 55, |
| 1194 | WLAN_EID_TIMEOUT_INTERVAL = 56, |
| 1195 | WLAN_EID_RIC_DATA = 57, |
| 1196 | WLAN_EID_RIC_DESCRIPTOR = 75, |
| 1197 | |
| 1198 | WLAN_EID_DSE_REGISTERED_LOCATION = 58, |
| 1199 | WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, |
| 1200 | WLAN_EID_EXT_CHANSWITCH_ANN = 60, |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1201 | }; |
| 1202 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1203 | /* Action category code */ |
| 1204 | enum ieee80211_category { |
| 1205 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, |
| 1206 | WLAN_CATEGORY_QOS = 1, |
| 1207 | WLAN_CATEGORY_DLS = 2, |
| 1208 | WLAN_CATEGORY_BACK = 3, |
Jouni Malinen | fb73333 | 2009-01-08 13:32:00 +0200 | [diff] [blame] | 1209 | WLAN_CATEGORY_PUBLIC = 4, |
Jouni Malinen | 528769c | 2009-05-11 10:20:35 +0300 | [diff] [blame] | 1210 | WLAN_CATEGORY_HT = 7, |
Jouni Malinen | fea1473 | 2009-01-08 13:32:06 +0200 | [diff] [blame] | 1211 | WLAN_CATEGORY_SA_QUERY = 8, |
Jouni Malinen | 528769c | 2009-05-11 10:20:35 +0300 | [diff] [blame] | 1212 | WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1213 | WLAN_CATEGORY_WMM = 17, |
Jouni Malinen | 528769c | 2009-05-11 10:20:35 +0300 | [diff] [blame] | 1214 | WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, |
| 1215 | WLAN_CATEGORY_VENDOR_SPECIFIC = 127, |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1216 | }; |
| 1217 | |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 1218 | /* SPECTRUM_MGMT action code */ |
| 1219 | enum ieee80211_spectrum_mgmt_actioncode { |
| 1220 | WLAN_ACTION_SPCT_MSR_REQ = 0, |
| 1221 | WLAN_ACTION_SPCT_MSR_RPRT = 1, |
| 1222 | WLAN_ACTION_SPCT_TPC_REQ = 2, |
| 1223 | WLAN_ACTION_SPCT_TPC_RPRT = 3, |
| 1224 | WLAN_ACTION_SPCT_CHL_SWITCH = 4, |
| 1225 | }; |
| 1226 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1227 | /* HT action codes */ |
| 1228 | enum ieee80211_ht_actioncode { |
| 1229 | WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, |
| 1230 | WLAN_HT_ACTION_SMPS = 1, |
| 1231 | WLAN_HT_ACTION_PSMP = 2, |
| 1232 | WLAN_HT_ACTION_PCO_PHASE = 3, |
| 1233 | WLAN_HT_ACTION_CSI = 4, |
| 1234 | WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, |
| 1235 | WLAN_HT_ACTION_COMPRESSED_BF = 6, |
| 1236 | WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, |
| 1237 | }; |
| 1238 | |
Zhu Yi | e31a16d | 2009-05-21 21:47:03 +0800 | [diff] [blame] | 1239 | /* Security key length */ |
| 1240 | enum ieee80211_key_len { |
| 1241 | WLAN_KEY_LEN_WEP40 = 5, |
| 1242 | WLAN_KEY_LEN_WEP104 = 13, |
| 1243 | WLAN_KEY_LEN_CCMP = 16, |
| 1244 | WLAN_KEY_LEN_TKIP = 32, |
Johannes Berg | 8fc0fee | 2009-05-24 16:57:19 +0200 | [diff] [blame] | 1245 | WLAN_KEY_LEN_AES_CMAC = 16, |
Zhu Yi | e31a16d | 2009-05-21 21:47:03 +0800 | [diff] [blame] | 1246 | }; |
| 1247 | |
Luis R. Rodriguez | 3f2355c | 2008-11-12 14:22:02 -0800 | [diff] [blame] | 1248 | /* |
| 1249 | * IEEE 802.11-2007 7.3.2.9 Country information element |
| 1250 | * |
| 1251 | * Minimum length is 8 octets, ie len must be evenly |
| 1252 | * divisible by 2 |
| 1253 | */ |
| 1254 | |
| 1255 | /* Although the spec says 8 I'm seeing 6 in practice */ |
| 1256 | #define IEEE80211_COUNTRY_IE_MIN_LEN 6 |
| 1257 | |
| 1258 | /* |
| 1259 | * For regulatory extension stuff see IEEE 802.11-2007 |
| 1260 | * Annex I (page 1141) and Annex J (page 1147). Also |
| 1261 | * review 7.3.2.9. |
| 1262 | * |
| 1263 | * When dot11RegulatoryClassesRequired is true and the |
| 1264 | * first_channel/reg_extension_id is >= 201 then the IE |
| 1265 | * compromises of the 'ext' struct represented below: |
| 1266 | * |
| 1267 | * - Regulatory extension ID - when generating IE this just needs |
| 1268 | * to be monotonically increasing for each triplet passed in |
| 1269 | * the IE |
| 1270 | * - Regulatory class - index into set of rules |
| 1271 | * - Coverage class - index into air propagation time (Table 7-27), |
| 1272 | * in microseconds, you can compute the air propagation time from |
| 1273 | * the index by multiplying by 3, so index 10 yields a propagation |
| 1274 | * of 10 us. Valid values are 0-31, values 32-255 are not defined |
| 1275 | * yet. A value of 0 inicates air propagation of <= 1 us. |
| 1276 | * |
| 1277 | * See also Table I.2 for Emission limit sets and table |
| 1278 | * I.3 for Behavior limit sets. Table J.1 indicates how to map |
| 1279 | * a reg_class to an emission limit set and behavior limit set. |
| 1280 | */ |
| 1281 | #define IEEE80211_COUNTRY_EXTENSION_ID 201 |
| 1282 | |
| 1283 | /* |
| 1284 | * Channels numbers in the IE must be monotonically increasing |
| 1285 | * if dot11RegulatoryClassesRequired is not true. |
| 1286 | * |
| 1287 | * If dot11RegulatoryClassesRequired is true consecutive |
| 1288 | * subband triplets following a regulatory triplet shall |
| 1289 | * have monotonically increasing first_channel number fields. |
| 1290 | * |
| 1291 | * Channel numbers shall not overlap. |
| 1292 | * |
| 1293 | * Note that max_power is signed. |
| 1294 | */ |
| 1295 | struct ieee80211_country_ie_triplet { |
| 1296 | union { |
| 1297 | struct { |
| 1298 | u8 first_channel; |
| 1299 | u8 num_channels; |
| 1300 | s8 max_power; |
| 1301 | } __attribute__ ((packed)) chans; |
| 1302 | struct { |
| 1303 | u8 reg_extension_id; |
| 1304 | u8 reg_class; |
| 1305 | u8 coverage_class; |
| 1306 | } __attribute__ ((packed)) ext; |
| 1307 | }; |
| 1308 | } __attribute__ ((packed)); |
| 1309 | |
Jouni Malinen | f797eb7 | 2009-01-19 18:48:46 +0200 | [diff] [blame] | 1310 | enum ieee80211_timeout_interval_type { |
| 1311 | WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, |
| 1312 | WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, |
| 1313 | WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, |
| 1314 | }; |
| 1315 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1316 | /* BACK action code */ |
| 1317 | enum ieee80211_back_actioncode { |
| 1318 | WLAN_ACTION_ADDBA_REQ = 0, |
| 1319 | WLAN_ACTION_ADDBA_RESP = 1, |
| 1320 | WLAN_ACTION_DELBA = 2, |
| 1321 | }; |
| 1322 | |
Ron Rindjunsky | 07db218 | 2007-12-25 17:00:33 +0200 | [diff] [blame] | 1323 | /* BACK (block-ack) parties */ |
| 1324 | enum ieee80211_back_parties { |
| 1325 | WLAN_BACK_RECIPIENT = 0, |
| 1326 | WLAN_BACK_INITIATOR = 1, |
| 1327 | WLAN_BACK_TIMER = 2, |
| 1328 | }; |
| 1329 | |
Jouni Malinen | fea1473 | 2009-01-08 13:32:06 +0200 | [diff] [blame] | 1330 | /* SA Query action */ |
| 1331 | enum ieee80211_sa_query_action { |
| 1332 | WLAN_ACTION_SA_QUERY_REQUEST = 0, |
| 1333 | WLAN_ACTION_SA_QUERY_RESPONSE = 1, |
| 1334 | }; |
| 1335 | |
| 1336 | |
Ron Rindjunsky | 6b4e324 | 2007-11-14 19:57:38 +0200 | [diff] [blame] | 1337 | /* A-MSDU 802.11n */ |
| 1338 | #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 |
| 1339 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1340 | /* cipher suite selectors */ |
| 1341 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 |
| 1342 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 |
| 1343 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 |
| 1344 | /* reserved: 0x000FAC03 */ |
| 1345 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 |
| 1346 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 1347 | #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1348 | |
Johannes Berg | 6a669e6 | 2009-07-01 21:26:53 +0200 | [diff] [blame] | 1349 | /* AKM suite selectors */ |
| 1350 | #define WLAN_AKM_SUITE_8021X 0x000FAC01 |
| 1351 | #define WLAN_AKM_SUITE_PSK 0x000FAC02 |
| 1352 | |
Jiri Benc | a9de8ce | 2007-05-05 11:43:04 -0700 | [diff] [blame] | 1353 | #define WLAN_MAX_KEY_LEN 32 |
| 1354 | |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 1355 | #define WLAN_PMKID_LEN 16 |
| 1356 | |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1357 | /** |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 1358 | * ieee80211_get_qos_ctl - get pointer to qos control bytes |
| 1359 | * @hdr: the frame |
| 1360 | * |
| 1361 | * The qos ctrl bytes come after the frame_control, duration, seq_num |
| 1362 | * and 3 or 4 addresses of length ETH_ALEN. |
| 1363 | * 3 addr: 2 + 2 + 2 + 3*6 = 24 |
| 1364 | * 4 addr: 2 + 2 + 2 + 4*6 = 30 |
| 1365 | */ |
| 1366 | static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) |
| 1367 | { |
| 1368 | if (ieee80211_has_a4(hdr->frame_control)) |
| 1369 | return (u8 *)hdr + 30; |
| 1370 | else |
| 1371 | return (u8 *)hdr + 24; |
| 1372 | } |
| 1373 | |
| 1374 | /** |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1375 | * ieee80211_get_SA - get pointer to SA |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 1376 | * @hdr: the frame |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1377 | * |
| 1378 | * Given an 802.11 frame, this function returns the offset |
| 1379 | * to the source address (SA). It does not verify that the |
| 1380 | * header is long enough to contain the address, and the |
| 1381 | * header must be long enough to contain the frame control |
| 1382 | * field. |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1383 | */ |
| 1384 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) |
| 1385 | { |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 1386 | if (ieee80211_has_a4(hdr->frame_control)) |
Harvey Harrison | 5a433b3 | 2008-04-21 10:41:10 -0700 | [diff] [blame] | 1387 | return hdr->addr4; |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 1388 | if (ieee80211_has_fromds(hdr->frame_control)) |
| 1389 | return hdr->addr3; |
| 1390 | return hdr->addr2; |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1391 | } |
| 1392 | |
| 1393 | /** |
| 1394 | * ieee80211_get_DA - get pointer to DA |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 1395 | * @hdr: the frame |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1396 | * |
| 1397 | * Given an 802.11 frame, this function returns the offset |
| 1398 | * to the destination address (DA). It does not verify that |
| 1399 | * the header is long enough to contain the address, and the |
| 1400 | * header must be long enough to contain the frame control |
| 1401 | * field. |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1402 | */ |
| 1403 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) |
| 1404 | { |
Harvey Harrison | fd7c8a4 | 2008-06-11 14:21:56 -0700 | [diff] [blame] | 1405 | if (ieee80211_has_tods(hdr->frame_control)) |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1406 | return hdr->addr3; |
Harvey Harrison | 5a433b3 | 2008-04-21 10:41:10 -0700 | [diff] [blame] | 1407 | else |
| 1408 | return hdr->addr1; |
Johannes Berg | f97df02 | 2007-09-18 17:29:20 -0400 | [diff] [blame] | 1409 | } |
| 1410 | |
David Kilroy | 9ee677c | 2008-12-23 14:03:38 +0000 | [diff] [blame] | 1411 | /** |
Jouni Malinen | fb73333 | 2009-01-08 13:32:00 +0200 | [diff] [blame] | 1412 | * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame |
| 1413 | * @hdr: the frame (buffer must include at least the first octet of payload) |
| 1414 | */ |
| 1415 | static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) |
| 1416 | { |
| 1417 | if (ieee80211_is_disassoc(hdr->frame_control) || |
| 1418 | ieee80211_is_deauth(hdr->frame_control)) |
| 1419 | return true; |
| 1420 | |
| 1421 | if (ieee80211_is_action(hdr->frame_control)) { |
| 1422 | u8 *category; |
| 1423 | |
| 1424 | /* |
| 1425 | * Action frames, excluding Public Action frames, are Robust |
| 1426 | * Management Frames. However, if we are looking at a Protected |
| 1427 | * frame, skip the check since the data may be encrypted and |
| 1428 | * the frame has already been found to be a Robust Management |
| 1429 | * Frame (by the other end). |
| 1430 | */ |
| 1431 | if (ieee80211_has_protected(hdr->frame_control)) |
| 1432 | return true; |
| 1433 | category = ((u8 *) hdr) + 24; |
Jouni Malinen | 528769c | 2009-05-11 10:20:35 +0300 | [diff] [blame] | 1434 | return *category != WLAN_CATEGORY_PUBLIC && |
| 1435 | *category != WLAN_CATEGORY_HT && |
| 1436 | *category != WLAN_CATEGORY_VENDOR_SPECIFIC; |
Jouni Malinen | fb73333 | 2009-01-08 13:32:00 +0200 | [diff] [blame] | 1437 | } |
| 1438 | |
| 1439 | return false; |
| 1440 | } |
| 1441 | |
| 1442 | /** |
David Kilroy | 9ee677c | 2008-12-23 14:03:38 +0000 | [diff] [blame] | 1443 | * ieee80211_fhss_chan_to_freq - get channel frequency |
| 1444 | * @channel: the FHSS channel |
| 1445 | * |
| 1446 | * Convert IEEE802.11 FHSS channel to frequency (MHz) |
| 1447 | * Ref IEEE 802.11-2007 section 14.6 |
| 1448 | */ |
| 1449 | static inline int ieee80211_fhss_chan_to_freq(int channel) |
| 1450 | { |
| 1451 | if ((channel > 1) && (channel < 96)) |
| 1452 | return channel + 2400; |
| 1453 | else |
| 1454 | return -1; |
| 1455 | } |
| 1456 | |
| 1457 | /** |
| 1458 | * ieee80211_freq_to_fhss_chan - get channel |
| 1459 | * @freq: the channels frequency |
| 1460 | * |
| 1461 | * Convert frequency (MHz) to IEEE802.11 FHSS channel |
| 1462 | * Ref IEEE 802.11-2007 section 14.6 |
| 1463 | */ |
| 1464 | static inline int ieee80211_freq_to_fhss_chan(int freq) |
| 1465 | { |
| 1466 | if ((freq > 2401) && (freq < 2496)) |
| 1467 | return freq - 2400; |
| 1468 | else |
| 1469 | return -1; |
| 1470 | } |
| 1471 | |
| 1472 | /** |
| 1473 | * ieee80211_dsss_chan_to_freq - get channel center frequency |
| 1474 | * @channel: the DSSS channel |
| 1475 | * |
| 1476 | * Convert IEEE802.11 DSSS channel to the center frequency (MHz). |
| 1477 | * Ref IEEE 802.11-2007 section 15.6 |
| 1478 | */ |
| 1479 | static inline int ieee80211_dsss_chan_to_freq(int channel) |
| 1480 | { |
| 1481 | if ((channel > 0) && (channel < 14)) |
| 1482 | return 2407 + (channel * 5); |
| 1483 | else if (channel == 14) |
| 1484 | return 2484; |
| 1485 | else |
| 1486 | return -1; |
| 1487 | } |
| 1488 | |
| 1489 | /** |
| 1490 | * ieee80211_freq_to_dsss_chan - get channel |
| 1491 | * @freq: the frequency |
| 1492 | * |
| 1493 | * Convert frequency (MHz) to IEEE802.11 DSSS channel |
| 1494 | * Ref IEEE 802.11-2007 section 15.6 |
| 1495 | * |
| 1496 | * This routine selects the channel with the closest center frequency. |
| 1497 | */ |
| 1498 | static inline int ieee80211_freq_to_dsss_chan(int freq) |
| 1499 | { |
| 1500 | if ((freq >= 2410) && (freq < 2475)) |
| 1501 | return (freq - 2405) / 5; |
| 1502 | else if ((freq >= 2482) && (freq < 2487)) |
| 1503 | return 14; |
| 1504 | else |
| 1505 | return -1; |
| 1506 | } |
| 1507 | |
| 1508 | /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back |
| 1509 | * Ref IEEE 802.11-2007 section 18.4.6.2 |
| 1510 | * |
| 1511 | * The channels and frequencies are the same as those defined for DSSS |
| 1512 | */ |
| 1513 | #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan) |
| 1514 | #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq) |
| 1515 | |
| 1516 | /* Convert IEEE802.11 ERP channel to frequency (MHz) and back |
| 1517 | * Ref IEEE 802.11-2007 section 19.4.2 |
| 1518 | */ |
| 1519 | #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan) |
| 1520 | #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq) |
| 1521 | |
| 1522 | /** |
| 1523 | * ieee80211_ofdm_chan_to_freq - get channel center frequency |
| 1524 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz |
| 1525 | * @channel: the OFDM channel |
| 1526 | * |
| 1527 | * Convert IEEE802.11 OFDM channel to center frequency (MHz) |
| 1528 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 |
| 1529 | */ |
| 1530 | static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel) |
| 1531 | { |
| 1532 | if ((channel > 0) && (channel <= 200) && |
| 1533 | (s_freq >= 4000)) |
| 1534 | return s_freq + (channel * 5); |
| 1535 | else |
| 1536 | return -1; |
| 1537 | } |
| 1538 | |
| 1539 | /** |
| 1540 | * ieee80211_freq_to_ofdm_channel - get channel |
| 1541 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz |
| 1542 | * @freq: the frequency |
| 1543 | * |
| 1544 | * Convert frequency (MHz) to IEEE802.11 OFDM channel |
| 1545 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 |
| 1546 | * |
| 1547 | * This routine selects the channel with the closest center frequency. |
| 1548 | */ |
| 1549 | static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq) |
| 1550 | { |
| 1551 | if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) && |
| 1552 | (s_freq >= 4000)) |
| 1553 | return (freq + 2 - s_freq) / 5; |
| 1554 | else |
| 1555 | return -1; |
| 1556 | } |
| 1557 | |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1558 | /** |
| 1559 | * ieee80211_tu_to_usec - convert time units (TU) to microseconds |
| 1560 | * @tu: the TUs |
| 1561 | */ |
| 1562 | static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) |
| 1563 | { |
| 1564 | return 1024 * tu; |
| 1565 | } |
| 1566 | |
Johannes Berg | e7ec86f | 2009-04-18 17:33:24 +0200 | [diff] [blame] | 1567 | /** |
| 1568 | * ieee80211_check_tim - check if AID bit is set in TIM |
| 1569 | * @tim: the TIM IE |
| 1570 | * @tim_len: length of the TIM IE |
| 1571 | * @aid: the AID to look for |
| 1572 | */ |
| 1573 | static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim, |
| 1574 | u8 tim_len, u16 aid) |
| 1575 | { |
| 1576 | u8 mask; |
| 1577 | u8 index, indexn1, indexn2; |
| 1578 | |
| 1579 | if (unlikely(!tim || tim_len < sizeof(*tim))) |
| 1580 | return false; |
| 1581 | |
| 1582 | aid &= 0x3fff; |
| 1583 | index = aid / 8; |
| 1584 | mask = 1 << (aid & 7); |
| 1585 | |
| 1586 | indexn1 = tim->bitmap_ctrl & 0xfe; |
| 1587 | indexn2 = tim_len + indexn1 - 4; |
| 1588 | |
| 1589 | if (index < indexn1 || index > indexn2) |
| 1590 | return false; |
| 1591 | |
| 1592 | index -= indexn1; |
| 1593 | |
| 1594 | return !!(tim->virtual_map[index] & mask); |
| 1595 | } |
| 1596 | |
John W. Linville | 9387b7c | 2008-09-30 20:59:05 -0400 | [diff] [blame] | 1597 | #endif /* LINUX_IEEE80211_H */ |