_ieee80211.h revision 256281
113546Sjulian/*- 235509Sjb * Copyright (c) 2001 Atsushi Onoe 313546Sjulian * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 413546Sjulian * All rights reserved. 513546Sjulian * 613546Sjulian * Redistribution and use in source and binary forms, with or without 713546Sjulian * modification, are permitted provided that the following conditions 813546Sjulian * are met: 913546Sjulian * 1. Redistributions of source code must retain the above copyright 1013546Sjulian * notice, this list of conditions and the following disclaimer. 1113546Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1213546Sjulian * notice, this list of conditions and the following disclaimer in the 13165967Simp * documentation and/or other materials provided with the distribution. 1413546Sjulian * 1513546Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1613546Sjulian * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1713546Sjulian * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1813546Sjulian * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1913546Sjulian * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2049439Sdeischen * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2113546Sjulian * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2213546Sjulian * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2313546Sjulian * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2413546Sjulian * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2513546Sjulian * 2613546Sjulian * $FreeBSD: stable/10/sys/net80211/_ieee80211.h 237871 2012-07-01 04:25:49Z adrian $ 2713546Sjulian */ 2813546Sjulian#ifndef _NET80211__IEEE80211_H_ 2950476Speter#define _NET80211__IEEE80211_H_ 3013546Sjulian 31174112Sdeischen/* 32174112Sdeischen * 802.11 implementation definitions. 3313546Sjulian * 3417706Sjulian * NB: this file is used by applications. 3517706Sjulian */ 3653812Salfred 3753812Salfred/* 3813546Sjulian * PHY type; mostly used to identify FH phys. 3913546Sjulian */ 40174112Sdeischenenum ieee80211_phytype { 41103388Smini IEEE80211_T_DS, /* direct sequence spread spectrum */ 4213546Sjulian IEEE80211_T_FH, /* frequency hopping */ 43113658Sdeischen IEEE80211_T_OFDM, /* frequency division multiplexing */ 4467097Sdeischen IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 4575369Sdeischen IEEE80211_T_HT, /* high throughput */ 4671581Sdeischen IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */ 4713546Sjulian IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */ 48174112Sdeischen}; 4913546Sjulian#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 5013546Sjulian 51115399Skan/* 52115399Skan * PHY mode; this is not really a mode as multi-mode devices 5372374Sdeischen * have multiple PHY's. Mode is mostly used as a shorthand 54113658Sdeischen * for constraining which channels to consider in setting up 5513546Sjulian * operation. Modes used to be used more extensively when 5648046Sjb * channels were identified as IEEE channel numbers. 5713546Sjulian */ 5813546Sjulianenum ieee80211_phymode { 5953812Salfred IEEE80211_MODE_AUTO = 0, /* autoselect */ 6053812Salfred IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 6153812Salfred IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 6253812Salfred IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 6353812Salfred IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 6413546Sjulian IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ 65113658Sdeischen IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */ 6653812Salfred IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */ 6771581Sdeischen IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */ 6871581Sdeischen IEEE80211_MODE_11NG = 9, /* 2GHz, w/ HT */ 6953812Salfred IEEE80211_MODE_HALF = 10, /* OFDM, 1/2x clock */ 7053812Salfred IEEE80211_MODE_QUARTER = 11, /* OFDM, 1/4x clock */ 7153812Salfred}; 7253812Salfred#define IEEE80211_MODE_MAX (IEEE80211_MODE_QUARTER+1) 7353812Salfred 7453812Salfred/* 7553812Salfred * Operating mode. Devices do not necessarily support 7653812Salfred * all modes; they indicate which are supported in their 7771581Sdeischen * capabilities. 7853812Salfred */ 7953812Salfredenum ieee80211_opmode { 8053812Salfred IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 8153812Salfred IEEE80211_M_STA = 1, /* infrastructure station */ 8253812Salfred IEEE80211_M_WDS = 2, /* WDS link */ 8353812Salfred IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 8453812Salfred IEEE80211_M_HOSTAP = 4, /* Software Access Point */ 8553812Salfred IEEE80211_M_MONITOR = 5, /* Monitor mode */ 8671581Sdeischen IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */ 8713546Sjulian}; 88113658Sdeischen#define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1) 89120074Sdavidxu 90120074Sdavidxu/* 9113546Sjulian * 802.11g/802.11n protection mode. 9236827Sjb */ 93113658Sdeischenenum ieee80211_protmode { 9436827Sjb IEEE80211_PROT_NONE = 0, /* no protection */ 95113658Sdeischen IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 96113658Sdeischen IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ 97113658Sdeischen}; 9836827Sjb 9936827Sjb/* 10036827Sjb * Authentication mode. The open and shared key authentication 101113658Sdeischen * modes are implemented within the 802.11 layer. 802.1x and 102113658Sdeischen * WPA/802.11i are implemented in user mode by setting the 103113658Sdeischen * 802.11 layer into IEEE80211_AUTH_8021X and deferring 104113658Sdeischen * authentication to user space programs. 105114187Sdeischen */ 106113658Sdeischenenum ieee80211_authmode { 107114187Sdeischen IEEE80211_AUTH_NONE = 0, 108136847Sdavidxu IEEE80211_AUTH_OPEN = 1, /* open */ 109136847Sdavidxu IEEE80211_AUTH_SHARED = 2, /* shared-key */ 110136847Sdavidxu IEEE80211_AUTH_8021X = 3, /* 802.1x */ 111136847Sdavidxu IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 112136847Sdavidxu /* NB: these are used only for ioctls */ 113136847Sdavidxu IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */ 114136847Sdavidxu}; 115136847Sdavidxu 116136847Sdavidxu/* 117136847Sdavidxu * Roaming mode is effectively who controls the operation 118136847Sdavidxu * of the 802.11 state machine when operating as a station. 119136847Sdavidxu * State transitions are controlled either by the driver 120136847Sdavidxu * (typically when management frames are processed by the 121136847Sdavidxu * hardware/firmware), the host (auto/normal operation of 12213546Sjulian * the 802.11 layer), or explicitly through ioctl requests 12371581Sdeischen * when applications like wpa_supplicant want control. 12471581Sdeischen */ 125174112Sdeischenenum ieee80211_roamingmode { 12613546Sjulian IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */ 12771581Sdeischen IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */ 12871581Sdeischen IEEE80211_ROAMING_MANUAL= 2, /* application control */ 12913546Sjulian}; 13013546Sjulian 13192730Sdeischen/* 13213546Sjulian * Channels are specified by frequency and attributes. 13313546Sjulian */ 13413546Sjulianstruct ieee80211_channel { 135120074Sdavidxu uint32_t ic_flags; /* see below */ 136120074Sdavidxu uint16_t ic_freq; /* setting in MHz */ 137120074Sdavidxu uint8_t ic_ieee; /* IEEE channel number */ 138120074Sdavidxu int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */ 139120074Sdavidxu int8_t ic_maxpower; /* maximum tx power in .5 dBm */ 140120074Sdavidxu int8_t ic_minpower; /* minimum tx power in .5 dBm */ 141132120Sdavidxu uint8_t ic_state; /* dynamic state */ 142133563Sdeischen uint8_t ic_extieee; /* HT40 extension channel number */ 143133563Sdeischen int8_t ic_maxantgain; /* maximum antenna gain in .5 dBm */ 144120074Sdavidxu uint8_t ic_pad; 145120074Sdavidxu uint16_t ic_devdata; /* opaque device/driver data */ 146120074Sdavidxu}; 147120074Sdavidxu 148120074Sdavidxu#define IEEE80211_CHAN_MAX 256 149120074Sdavidxu#define IEEE80211_CHAN_BYTES 32 /* howmany(IEEE80211_CHAN_MAX, NBBY) */ 15044963Sjb#define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ 15167097Sdeischen#define IEEE80211_CHAN_ANYC \ 152120074Sdavidxu ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) 153113658Sdeischen 154115080Sdeischen/* channel attributes */ 155114187Sdeischen#define IEEE80211_CHAN_PRIV0 0x00000001 /* driver private bit 0 */ 15668516Sdeischen#define IEEE80211_CHAN_PRIV1 0x00000002 /* driver private bit 1 */ 15768516Sdeischen#define IEEE80211_CHAN_PRIV2 0x00000004 /* driver private bit 2 */ 15868516Sdeischen#define IEEE80211_CHAN_PRIV3 0x00000008 /* driver private bit 3 */ 15913546Sjulian#define IEEE80211_CHAN_TURBO 0x00000010 /* Turbo channel */ 160#define IEEE80211_CHAN_CCK 0x00000020 /* CCK channel */ 161#define IEEE80211_CHAN_OFDM 0x00000040 /* OFDM channel */ 162#define IEEE80211_CHAN_2GHZ 0x00000080 /* 2 GHz spectrum channel. */ 163#define IEEE80211_CHAN_5GHZ 0x00000100 /* 5 GHz spectrum channel */ 164#define IEEE80211_CHAN_PASSIVE 0x00000200 /* Only passive scan allowed */ 165#define IEEE80211_CHAN_DYN 0x00000400 /* Dynamic CCK-OFDM channel */ 166#define IEEE80211_CHAN_GFSK 0x00000800 /* GFSK channel (FHSS PHY) */ 167#define IEEE80211_CHAN_GSM 0x00001000 /* 900 MHz spectrum channel */ 168#define IEEE80211_CHAN_STURBO 0x00002000 /* 11a static turbo channel only */ 169#define IEEE80211_CHAN_HALF 0x00004000 /* Half rate channel */ 170#define IEEE80211_CHAN_QUARTER 0x00008000 /* Quarter rate channel */ 171#define IEEE80211_CHAN_HT20 0x00010000 /* HT 20 channel */ 172#define IEEE80211_CHAN_HT40U 0x00020000 /* HT 40 channel w/ ext above */ 173#define IEEE80211_CHAN_HT40D 0x00040000 /* HT 40 channel w/ ext below */ 174#define IEEE80211_CHAN_DFS 0x00080000 /* DFS required */ 175#define IEEE80211_CHAN_4MSXMIT 0x00100000 /* 4ms limit on frame length */ 176#define IEEE80211_CHAN_NOADHOC 0x00200000 /* adhoc mode not allowed */ 177#define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */ 178#define IEEE80211_CHAN_11D 0x00800000 /* 802.11d required */ 179 180#define IEEE80211_CHAN_HT40 (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D) 181#define IEEE80211_CHAN_HT (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40) 182 183#define IEEE80211_CHAN_BITS \ 184 "\20\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \ 185 "\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \ 186 "\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D" 187 188/* 189 * Useful combinations of channel characteristics. 190 */ 191#define IEEE80211_CHAN_FHSS \ 192 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 193#define IEEE80211_CHAN_A \ 194 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 195#define IEEE80211_CHAN_B \ 196 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 197#define IEEE80211_CHAN_PUREG \ 198 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 199#define IEEE80211_CHAN_G \ 200 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 201#define IEEE80211_CHAN_108A \ 202 (IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO) 203#define IEEE80211_CHAN_108G \ 204 (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO) 205#define IEEE80211_CHAN_ST \ 206 (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO) 207 208#define IEEE80211_CHAN_ALL \ 209 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ 210 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \ 211 IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \ 212 IEEE80211_CHAN_HT) 213#define IEEE80211_CHAN_ALLTURBO \ 214 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO) 215 216#define IEEE80211_IS_CHAN_FHSS(_c) \ 217 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 218#define IEEE80211_IS_CHAN_A(_c) \ 219 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 220#define IEEE80211_IS_CHAN_B(_c) \ 221 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 222#define IEEE80211_IS_CHAN_PUREG(_c) \ 223 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 224#define IEEE80211_IS_CHAN_G(_c) \ 225 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 226#define IEEE80211_IS_CHAN_ANYG(_c) \ 227 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) 228#define IEEE80211_IS_CHAN_ST(_c) \ 229 (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST) 230#define IEEE80211_IS_CHAN_108A(_c) \ 231 (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A) 232#define IEEE80211_IS_CHAN_108G(_c) \ 233 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) 234 235#define IEEE80211_IS_CHAN_2GHZ(_c) \ 236 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 237#define IEEE80211_IS_CHAN_5GHZ(_c) \ 238 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 239#define IEEE80211_IS_CHAN_PASSIVE(_c) \ 240 (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0) 241#define IEEE80211_IS_CHAN_OFDM(_c) \ 242 (((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0) 243#define IEEE80211_IS_CHAN_CCK(_c) \ 244 (((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0) 245#define IEEE80211_IS_CHAN_DYN(_c) \ 246 (((_c)->ic_flags & IEEE80211_CHAN_DYN) == IEEE80211_CHAN_DYN) 247#define IEEE80211_IS_CHAN_GFSK(_c) \ 248 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 249#define IEEE80211_IS_CHAN_TURBO(_c) \ 250 (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0) 251#define IEEE80211_IS_CHAN_STURBO(_c) \ 252 (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0) 253#define IEEE80211_IS_CHAN_DTURBO(_c) \ 254 (((_c)->ic_flags & \ 255 (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO) 256#define IEEE80211_IS_CHAN_HALF(_c) \ 257 (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) 258#define IEEE80211_IS_CHAN_QUARTER(_c) \ 259 (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) 260#define IEEE80211_IS_CHAN_FULL(_c) \ 261 (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0) 262#define IEEE80211_IS_CHAN_GSM(_c) \ 263 (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0) 264#define IEEE80211_IS_CHAN_HT(_c) \ 265 (((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 266#define IEEE80211_IS_CHAN_HT20(_c) \ 267 (((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0) 268#define IEEE80211_IS_CHAN_HT40(_c) \ 269 (((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0) 270#define IEEE80211_IS_CHAN_HT40U(_c) \ 271 (((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0) 272#define IEEE80211_IS_CHAN_HT40D(_c) \ 273 (((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0) 274#define IEEE80211_IS_CHAN_HTA(_c) \ 275 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 276 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 277#define IEEE80211_IS_CHAN_HTG(_c) \ 278 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 279 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 280#define IEEE80211_IS_CHAN_DFS(_c) \ 281 (((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0) 282#define IEEE80211_IS_CHAN_NOADHOC(_c) \ 283 (((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0) 284#define IEEE80211_IS_CHAN_NOHOSTAP(_c) \ 285 (((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0) 286#define IEEE80211_IS_CHAN_11D(_c) \ 287 (((_c)->ic_flags & IEEE80211_CHAN_11D) != 0) 288 289#define IEEE80211_CHAN2IEEE(_c) (_c)->ic_ieee 290 291/* dynamic state */ 292#define IEEE80211_CHANSTATE_RADAR 0x01 /* radar detected */ 293#define IEEE80211_CHANSTATE_CACDONE 0x02 /* CAC completed */ 294#define IEEE80211_CHANSTATE_CWINT 0x04 /* interference detected */ 295#define IEEE80211_CHANSTATE_NORADAR 0x10 /* post notify on radar clear */ 296 297#define IEEE80211_IS_CHAN_RADAR(_c) \ 298 (((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0) 299#define IEEE80211_IS_CHAN_CACDONE(_c) \ 300 (((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0) 301#define IEEE80211_IS_CHAN_CWINT(_c) \ 302 (((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0) 303 304/* ni_chan encoding for FH phy */ 305#define IEEE80211_FH_CHANMOD 80 306#define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 307#define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 308#define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 309 310#define IEEE80211_TID_SIZE (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */ 311#define IEEE80211_NONQOS_TID WME_NUM_TID /* index for non-QoS sta */ 312 313/* 314 * The 802.11 spec says at most 2007 stations may be 315 * associated at once. For most AP's this is way more 316 * than is feasible so we use a default of 128. This 317 * number may be overridden by the driver and/or by 318 * user configuration but may not be less than IEEE80211_AID_MIN. 319 */ 320#define IEEE80211_AID_DEF 128 321#define IEEE80211_AID_MIN 16 322 323/* 324 * 802.11 rate set. 325 */ 326#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 327#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 328 329struct ieee80211_rateset { 330 uint8_t rs_nrates; 331 uint8_t rs_rates[IEEE80211_RATE_MAXSIZE]; 332}; 333 334/* 335 * 802.11n variant of ieee80211_rateset. Instead of 336 * legacy rates the entries are MCS rates. We define 337 * the structure such that it can be used interchangeably 338 * with an ieee80211_rateset (modulo structure size). 339 */ 340#define IEEE80211_HTRATE_MAXSIZE 77 341 342struct ieee80211_htrateset { 343 uint8_t rs_nrates; 344 uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE]; 345}; 346 347#define IEEE80211_RATE_MCS 0x80 348 349/* 350 * Per-mode transmit parameters/controls visible to user space. 351 * These can be used to set fixed transmit rate for all operating 352 * modes or on a per-client basis according to the capabilities 353 * of the client (e.g. an 11b client associated to an 11g ap). 354 * 355 * MCS are distinguished from legacy rates by or'ing in 0x80. 356 */ 357struct ieee80211_txparam { 358 uint8_t ucastrate; /* ucast data rate (legacy/MCS|0x80) */ 359 uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS|0x80) */ 360 uint8_t mcastrate; /* multicast rate (legacy/MCS|0x80) */ 361 uint8_t maxretry; /* max unicast data retry count */ 362}; 363 364/* 365 * Per-mode roaming state visible to user space. There are two 366 * thresholds that control whether roaming is considered; when 367 * either is exceeded the 802.11 layer will check the scan cache 368 * for another AP. If the cache is stale then a scan may be 369 * triggered. 370 */ 371struct ieee80211_roamparam { 372 int8_t rssi; /* rssi thresh (.5 dBm) */ 373 uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */ 374 uint16_t pad; /* reserve */ 375}; 376 377/* 378 * Regulatory Information. 379 */ 380struct ieee80211_regdomain { 381 uint16_t regdomain; /* SKU */ 382 uint16_t country; /* ISO country code */ 383 uint8_t location; /* I (indoor), O (outdoor), other */ 384 uint8_t ecm; /* Extended Channel Mode */ 385 char isocc[2]; /* country code string */ 386 short pad[2]; 387}; 388 389/* 390 * MIMO antenna/radio state. 391 */ 392 393#define IEEE80211_MAX_CHAINS 3 394#define IEEE80211_MAX_EVM_PILOTS 6 395 396/* 397 * XXX This doesn't yet export both ctl/ext chain details 398 */ 399struct ieee80211_mimo_info { 400 int8_t rssi[IEEE80211_MAX_CHAINS]; /* per-antenna rssi */ 401 int8_t noise[IEEE80211_MAX_CHAINS]; /* per-antenna noise floor */ 402 uint8_t pad[2]; 403 uint32_t evm[3]; /* EVM data */ 404}; 405#endif /* _NET80211__IEEE80211_H_ */ 406