1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 #ifndef _NET80211__IEEE80211_H_ 29 #define _NET80211__IEEE80211_H_ 30 31 /* 32 * 802.11 implementation definitions. 33 * 34 * NB: this file is used by applications. 35 */ 36 37 /* 38 * PHY type; mostly used to identify FH phys. 39 */ 40 enum ieee80211_phytype { 41 IEEE80211_T_DS, /* direct sequence spread spectrum */ 42 IEEE80211_T_FH, /* frequency hopping */ 43 IEEE80211_T_OFDM, /* frequency division multiplexing */ 44 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 45 IEEE80211_T_HT, /* high throughput */ 46 IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */ 47 IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */ 48 IEEE80211_T_VHT, /* VHT PHY */ 49 }; 50 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 51 52 /* 53 * PHY mode; this is not really a mode as multi-mode devices 54 * have multiple PHY's. Mode is mostly used as a shorthand 55 * for constraining which channels to consider in setting up 56 * operation. Modes used to be used more extensively when 57 * channels were identified as IEEE channel numbers. 58 */ 59 enum ieee80211_phymode { 60 IEEE80211_MODE_AUTO = 0, /* autoselect */ 61 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 62 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 63 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 64 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 65 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ 66 IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */ 67 IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */ 68 IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */ 69 IEEE80211_MODE_11NG = 9, /* 2GHz, w/ HT */ 70 IEEE80211_MODE_HALF = 10, /* OFDM, 1/2x clock */ 71 IEEE80211_MODE_QUARTER = 11, /* OFDM, 1/4x clock */ 72 IEEE80211_MODE_VHT_2GHZ = 12, /* 2GHz, VHT */ 73 IEEE80211_MODE_VHT_5GHZ = 13, /* 5GHz, VHT */ 74 }; 75 #define IEEE80211_MODE_MAX (IEEE80211_MODE_VHT_5GHZ+1) 76 #define IEEE80211_MODE_BYTES howmany(IEEE80211_MODE_MAX, NBBY) 77 78 /* 79 * Operating mode. Devices do not necessarily support 80 * all modes; they indicate which are supported in their 81 * capabilities. 82 */ 83 enum ieee80211_opmode { 84 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 85 IEEE80211_M_STA = 1, /* infrastructure station */ 86 IEEE80211_M_WDS = 2, /* WDS link */ 87 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 88 IEEE80211_M_HOSTAP = 4, /* Software Access Point */ 89 IEEE80211_M_MONITOR = 5, /* Monitor mode */ 90 IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */ 91 }; 92 #define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1) 93 94 /* 95 * 802.11g/802.11n protection mode. 96 */ 97 enum ieee80211_protmode { 98 IEEE80211_PROT_NONE = 0, /* no protection */ 99 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 100 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ 101 }; 102 103 /* 104 * Authentication mode. The open and shared key authentication 105 * modes are implemented within the 802.11 layer. 802.1x and 106 * WPA/802.11i are implemented in user mode by setting the 107 * 802.11 layer into IEEE80211_AUTH_8021X and deferring 108 * authentication to user space programs. 109 */ 110 enum ieee80211_authmode { 111 IEEE80211_AUTH_NONE = 0, 112 IEEE80211_AUTH_OPEN = 1, /* open */ 113 IEEE80211_AUTH_SHARED = 2, /* shared-key */ 114 IEEE80211_AUTH_8021X = 3, /* 802.1x */ 115 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 116 /* NB: these are used only for ioctls */ 117 IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */ 118 }; 119 120 /* 121 * Roaming mode is effectively who controls the operation 122 * of the 802.11 state machine when operating as a station. 123 * State transitions are controlled either by the driver 124 * (typically when management frames are processed by the 125 * hardware/firmware), the host (auto/normal operation of 126 * the 802.11 layer), or explicitly through ioctl requests 127 * when applications like wpa_supplicant want control. 128 */ 129 enum ieee80211_roamingmode { 130 IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */ 131 IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */ 132 IEEE80211_ROAMING_MANUAL= 2, /* application control */ 133 }; 134 135 /* 136 * Channels are specified by frequency and attributes. 137 */ 138 struct ieee80211_channel { 139 uint32_t ic_flags; /* see below */ 140 uint16_t ic_freq; /* primary centre frequency in MHz */ 141 uint8_t ic_ieee; /* IEEE channel number */ 142 int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */ 143 int8_t ic_maxpower; /* maximum tx power in .5 dBm */ 144 int8_t ic_minpower; /* minimum tx power in .5 dBm */ 145 uint8_t ic_state; /* dynamic state */ 146 uint8_t ic_extieee; /* HT40 extension channel number */ 147 int8_t ic_maxantgain; /* maximum antenna gain in .5 dBm */ 148 uint8_t ic_pad; 149 uint16_t ic_devdata; /* opaque device/driver data */ 150 uint8_t ic_vht_ch_freq1; /* VHT primary freq1 IEEE value */ 151 uint8_t ic_vht_ch_freq2; /* VHT secondary 80MHz freq2 IEEE value */ 152 uint16_t ic_freq2; /* VHT secondary 80MHz freq2 MHz */ 153 }; 154 155 /* 156 * Note: for VHT operation we will need significantly more than 157 * IEEE80211_CHAN_MAX channels because of the combinations of 158 * VHT20, VHT40, VHT80, VHT80+80 and VHT160. 159 */ 160 #define IEEE80211_CHAN_MAX 1024 161 #define IEEE80211_CHAN_BYTES howmany(IEEE80211_CHAN_MAX, NBBY) 162 #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ 163 #define IEEE80211_CHAN_ANYC \ 164 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) 165 166 /* channel attributes */ 167 #define IEEE80211_CHAN_PRIV0 0x00000001 /* driver private bit 0 */ 168 #define IEEE80211_CHAN_PRIV1 0x00000002 /* driver private bit 1 */ 169 #define IEEE80211_CHAN_PRIV2 0x00000004 /* driver private bit 2 */ 170 #define IEEE80211_CHAN_PRIV3 0x00000008 /* driver private bit 3 */ 171 #define IEEE80211_CHAN_TURBO 0x00000010 /* Turbo channel */ 172 #define IEEE80211_CHAN_CCK 0x00000020 /* CCK channel */ 173 #define IEEE80211_CHAN_OFDM 0x00000040 /* OFDM channel */ 174 #define IEEE80211_CHAN_2GHZ 0x00000080 /* 2 GHz spectrum channel. */ 175 #define IEEE80211_CHAN_5GHZ 0x00000100 /* 5 GHz spectrum channel */ 176 #define IEEE80211_CHAN_PASSIVE 0x00000200 /* Only passive scan allowed */ 177 #define IEEE80211_CHAN_DYN 0x00000400 /* Dynamic CCK-OFDM channel */ 178 #define IEEE80211_CHAN_GFSK 0x00000800 /* GFSK channel (FHSS PHY) */ 179 #define IEEE80211_CHAN_GSM 0x00001000 /* 900 MHz spectrum channel */ 180 #define IEEE80211_CHAN_STURBO 0x00002000 /* 11a static turbo channel only */ 181 #define IEEE80211_CHAN_HALF 0x00004000 /* Half rate channel */ 182 #define IEEE80211_CHAN_QUARTER 0x00008000 /* Quarter rate channel */ 183 #define IEEE80211_CHAN_HT20 0x00010000 /* HT 20 channel */ 184 #define IEEE80211_CHAN_HT40U 0x00020000 /* HT 40 channel w/ ext above */ 185 #define IEEE80211_CHAN_HT40D 0x00040000 /* HT 40 channel w/ ext below */ 186 #define IEEE80211_CHAN_DFS 0x00080000 /* DFS required */ 187 #define IEEE80211_CHAN_4MSXMIT 0x00100000 /* 4ms limit on frame length */ 188 #define IEEE80211_CHAN_NOADHOC 0x00200000 /* adhoc mode not allowed */ 189 #define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */ 190 #define IEEE80211_CHAN_11D 0x00800000 /* 802.11d required */ 191 #define IEEE80211_CHAN_VHT20 0x01000000 /* VHT20 channel */ 192 #define IEEE80211_CHAN_VHT40U 0x02000000 /* VHT40 channel, ext above */ 193 #define IEEE80211_CHAN_VHT40D 0x04000000 /* VHT40 channel, ext below */ 194 #define IEEE80211_CHAN_VHT80 0x08000000 /* VHT80 channel */ 195 #define IEEE80211_CHAN_VHT80_80 0x10000000 /* VHT80+80 channel */ 196 #define IEEE80211_CHAN_VHT160 0x20000000 /* VHT160 channel */ 197 /* XXX note: 0x80000000 is used in src/sbin/ifconfig/ifieee80211.c :( */ 198 199 #define IEEE80211_CHAN_HT40 (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D) 200 #define IEEE80211_CHAN_HT (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40) 201 202 #define IEEE80211_CHAN_VHT40 (IEEE80211_CHAN_VHT40U | IEEE80211_CHAN_VHT40D) 203 #define IEEE80211_CHAN_VHT (IEEE80211_CHAN_VHT20 | IEEE80211_CHAN_VHT40 \ 204 | IEEE80211_CHAN_VHT80 | IEEE80211_CHAN_VHT80_80 \ 205 | IEEE80211_CHAN_VHT160) 206 207 #define IEEE80211_CHAN_BITS \ 208 "\20\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \ 209 "\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \ 210 "\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D" \ 211 "\031VHT20\032VHT40U\033VHT40D\034VHT80\035VHT80_80\036VHT160" 212 213 /* 214 * Useful combinations of channel characteristics. 215 */ 216 #define IEEE80211_CHAN_FHSS \ 217 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 218 #define IEEE80211_CHAN_A \ 219 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 220 #define IEEE80211_CHAN_B \ 221 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 222 #define IEEE80211_CHAN_PUREG \ 223 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 224 #define IEEE80211_CHAN_G \ 225 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 226 #define IEEE80211_CHAN_108A \ 227 (IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO) 228 #define IEEE80211_CHAN_108G \ 229 (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO) 230 #define IEEE80211_CHAN_ST \ 231 (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO) 232 233 #define IEEE80211_CHAN_ALL \ 234 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ 235 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \ 236 IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \ 237 IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT) 238 #define IEEE80211_CHAN_ALLTURBO \ 239 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO) 240 241 #define IEEE80211_IS_CHAN_FHSS(_c) \ 242 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 243 #define IEEE80211_IS_CHAN_A(_c) \ 244 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 245 #define IEEE80211_IS_CHAN_B(_c) \ 246 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 247 #define IEEE80211_IS_CHAN_PUREG(_c) \ 248 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 249 #define IEEE80211_IS_CHAN_G(_c) \ 250 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 251 #define IEEE80211_IS_CHAN_ANYG(_c) \ 252 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) 253 #define IEEE80211_IS_CHAN_ST(_c) \ 254 (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST) 255 #define IEEE80211_IS_CHAN_108A(_c) \ 256 (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A) 257 #define IEEE80211_IS_CHAN_108G(_c) \ 258 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) 259 260 #define IEEE80211_IS_CHAN_2GHZ(_c) \ 261 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 262 #define IEEE80211_IS_CHAN_5GHZ(_c) \ 263 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 264 #define IEEE80211_IS_CHAN_PASSIVE(_c) \ 265 (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0) 266 #define IEEE80211_IS_CHAN_OFDM(_c) \ 267 (((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0) 268 #define IEEE80211_IS_CHAN_CCK(_c) \ 269 (((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0) 270 #define IEEE80211_IS_CHAN_DYN(_c) \ 271 (((_c)->ic_flags & IEEE80211_CHAN_DYN) == IEEE80211_CHAN_DYN) 272 #define IEEE80211_IS_CHAN_GFSK(_c) \ 273 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 274 #define IEEE80211_IS_CHAN_TURBO(_c) \ 275 (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0) 276 #define IEEE80211_IS_CHAN_STURBO(_c) \ 277 (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0) 278 #define IEEE80211_IS_CHAN_DTURBO(_c) \ 279 (((_c)->ic_flags & \ 280 (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO) 281 #define IEEE80211_IS_CHAN_HALF(_c) \ 282 (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) 283 #define IEEE80211_IS_CHAN_QUARTER(_c) \ 284 (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) 285 #define IEEE80211_IS_CHAN_FULL(_c) \ 286 (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0) 287 #define IEEE80211_IS_CHAN_GSM(_c) \ 288 (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0) 289 #define IEEE80211_IS_CHAN_HT(_c) \ 290 (((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 291 #define IEEE80211_IS_CHAN_HT20(_c) \ 292 (((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0) 293 #define IEEE80211_IS_CHAN_HT40(_c) \ 294 (((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0) 295 #define IEEE80211_IS_CHAN_HT40U(_c) \ 296 (((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0) 297 #define IEEE80211_IS_CHAN_HT40D(_c) \ 298 (((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0) 299 #define IEEE80211_IS_CHAN_HTA(_c) \ 300 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 301 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 302 #define IEEE80211_IS_CHAN_HTG(_c) \ 303 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 304 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 305 #define IEEE80211_IS_CHAN_DFS(_c) \ 306 (((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0) 307 #define IEEE80211_IS_CHAN_NOADHOC(_c) \ 308 (((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0) 309 #define IEEE80211_IS_CHAN_NOHOSTAP(_c) \ 310 (((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0) 311 #define IEEE80211_IS_CHAN_11D(_c) \ 312 (((_c)->ic_flags & IEEE80211_CHAN_11D) != 0) 313 314 #define IEEE80211_IS_CHAN_VHT(_c) \ 315 (((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 316 #define IEEE80211_IS_CHAN_VHT_2GHZ(_c) \ 317 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 318 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 319 #define IEEE80211_IS_CHAN_VHT_5GHZ(_c) \ 320 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 321 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 322 #define IEEE80211_IS_CHAN_VHT20(_c) \ 323 (((_c)->ic_flags & IEEE80211_CHAN_VHT20) != 0) 324 #define IEEE80211_IS_CHAN_VHT40(_c) \ 325 (((_c)->ic_flags & IEEE80211_CHAN_VHT40) != 0) 326 #define IEEE80211_IS_CHAN_VHT40U(_c) \ 327 (((_c)->ic_flags & IEEE80211_CHAN_VHT40U) != 0) 328 #define IEEE80211_IS_CHAN_VHT40D(_c) \ 329 (((_c)->ic_flags & IEEE80211_CHAN_VHT40D) != 0) 330 #define IEEE80211_IS_CHAN_VHTA(_c) \ 331 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 332 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 333 #define IEEE80211_IS_CHAN_VHTG(_c) \ 334 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 335 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 336 #define IEEE80211_IS_CHAN_VHT80(_c) \ 337 (((_c)->ic_flags & IEEE80211_CHAN_VHT80) != 0) 338 #define IEEE80211_IS_CHAN_VHT80_80(_c) \ 339 (((_c)->ic_flags & IEEE80211_CHAN_VHT80_80) != 0) 340 #define IEEE80211_IS_CHAN_VHT160(_c) \ 341 (((_c)->ic_flags & IEEE80211_CHAN_VHT160) != 0) 342 343 #define IEEE80211_CHAN2IEEE(_c) (_c)->ic_ieee 344 345 /* dynamic state */ 346 #define IEEE80211_CHANSTATE_RADAR 0x01 /* radar detected */ 347 #define IEEE80211_CHANSTATE_CACDONE 0x02 /* CAC completed */ 348 #define IEEE80211_CHANSTATE_CWINT 0x04 /* interference detected */ 349 #define IEEE80211_CHANSTATE_NORADAR 0x10 /* post notify on radar clear */ 350 351 #define IEEE80211_IS_CHAN_RADAR(_c) \ 352 (((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0) 353 #define IEEE80211_IS_CHAN_CACDONE(_c) \ 354 (((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0) 355 #define IEEE80211_IS_CHAN_CWINT(_c) \ 356 (((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0) 357 358 /* ni_chan encoding for FH phy */ 359 #define IEEE80211_FH_CHANMOD 80 360 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 361 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 362 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 363 364 #define IEEE80211_TID_SIZE (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */ 365 #define IEEE80211_NONQOS_TID WME_NUM_TID /* index for non-QoS sta */ 366 367 /* 368 * The 802.11 spec says at most 2007 stations may be 369 * associated at once. For most AP's this is way more 370 * than is feasible so we use a default of 128. This 371 * number may be overridden by the driver and/or by 372 * user configuration but may not be less than IEEE80211_AID_MIN. 373 */ 374 #define IEEE80211_AID_DEF 128 375 #define IEEE80211_AID_MIN 16 376 377 /* 378 * 802.11 rate set. 379 */ 380 #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 381 #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 382 383 struct ieee80211_rateset { 384 uint8_t rs_nrates; 385 uint8_t rs_rates[IEEE80211_RATE_MAXSIZE]; 386 }; 387 388 /* 389 * 802.11n variant of ieee80211_rateset. Instead of 390 * legacy rates the entries are MCS rates. We define 391 * the structure such that it can be used interchangeably 392 * with an ieee80211_rateset (modulo structure size). 393 */ 394 #define IEEE80211_HTRATE_MAXSIZE 77 395 396 struct ieee80211_htrateset { 397 uint8_t rs_nrates; 398 uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE]; 399 }; 400 401 #define IEEE80211_RATE_MCS 0x80 402 403 /* 404 * Per-mode transmit parameters/controls visible to user space. 405 * These can be used to set fixed transmit rate for all operating 406 * modes or on a per-client basis according to the capabilities 407 * of the client (e.g. an 11b client associated to an 11g ap). 408 * 409 * MCS are distinguished from legacy rates by or'ing in 0x80. 410 */ 411 struct ieee80211_txparam { 412 uint8_t ucastrate; /* ucast data rate (legacy/MCS|0x80) */ 413 uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS|0x80) */ 414 uint8_t mcastrate; /* multicast rate (legacy/MCS|0x80) */ 415 uint8_t maxretry; /* max unicast data retry count */ 416 }; 417 418 /* 419 * Per-mode roaming state visible to user space. There are two 420 * thresholds that control whether roaming is considered; when 421 * either is exceeded the 802.11 layer will check the scan cache 422 * for another AP. If the cache is stale then a scan may be 423 * triggered. 424 */ 425 struct ieee80211_roamparam { 426 int8_t rssi; /* rssi thresh (.5 dBm) */ 427 uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */ 428 uint16_t pad; /* reserve */ 429 }; 430 431 /* 432 * Regulatory Information. 433 */ 434 struct ieee80211_regdomain { 435 uint16_t regdomain; /* SKU */ 436 uint16_t country; /* ISO country code */ 437 uint8_t location; /* I (indoor), O (outdoor), other */ 438 uint8_t ecm; /* Extended Channel Mode */ 439 char isocc[2]; /* country code string */ 440 short pad[2]; 441 }; 442 443 /* 444 * MIMO antenna/radio state. 445 */ 446 #define IEEE80211_MAX_CHAINS 4 447 /* 448 * This is the number of sub-channels for a channel. 449 * 0 - pri20 450 * 1 - sec20 (HT40, VHT40) 451 * 2 - sec40 (VHT80) 452 * 3 - sec80 (VHT80+80, VHT160) 453 */ 454 #define IEEE80211_MAX_CHAIN_PRISEC 4 455 #define IEEE80211_MAX_EVM_DWORDS 16 /* 16 pilots, 4 chains */ 456 #define IEEE80211_MAX_EVM_PILOTS 16 /* 468 subcarriers, 16 pilots */ 457 458 struct ieee80211_mimo_chan_info { 459 int8_t rssi[IEEE80211_MAX_CHAIN_PRISEC]; 460 int8_t noise[IEEE80211_MAX_CHAIN_PRISEC]; 461 }; 462 463 struct ieee80211_mimo_info { 464 struct ieee80211_mimo_chan_info ch[IEEE80211_MAX_CHAINS]; 465 uint32_t evm[IEEE80211_MAX_EVM_DWORDS]; 466 }; 467 468 /* 469 * ic_caps/iv_caps: device driver capabilities 470 */ 471 /* 0x2e available */ 472 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 473 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 474 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 475 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 476 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 477 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 478 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 479 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 480 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 481 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 482 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 483 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 484 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 485 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 486 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 487 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ 488 #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */ 489 /* 0x7c0000 available */ 490 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 491 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 492 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 493 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 494 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 495 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 496 /* 0x10000000 reserved */ 497 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 498 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 499 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 500 /* XXX protection/barker? */ 501 502 #define IEEE80211_C_OPMODE \ 503 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 504 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 505 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 506 507 #define IEEE80211_C_BITS \ 508 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 509 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 510 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 511 "\37TXFRAG\40TDMA" 512 513 /* 514 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 515 * 516 * NB: the low 16-bits are the 802.11 definitions, the upper 517 * 16-bits are used to define s/w/driver capabilities. 518 */ 519 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 520 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 521 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 522 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 523 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 524 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 525 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 526 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 527 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 528 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 support */ 529 #define IEEE80211_HTC_TXLDPC 0x02000000 /* CAPABILITY: TX using LDPC */ 530 531 #define IEEE80211_C_HTCAP_BITS \ 532 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 533 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS\32TXLDPC" 534 535 /* 536 * RX status notification - which fields are valid. 537 */ 538 #define IEEE80211_R_NF 0x00000001 /* global NF value valid */ 539 #define IEEE80211_R_RSSI 0x00000002 /* global RSSI value valid */ 540 #define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid */ 541 #define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value valid */ 542 #define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value valid */ 543 #define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid */ 544 #define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 545 #define IEEE80211_R_FREQ 0x00000080 /* Freq value populated, MHz */ 546 #define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated */ 547 #define IEEE80211_R_BAND 0x00000200 /* Frequency band populated */ 548 #define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */ 549 #define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */ 550 #define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at start of frame */ 551 #define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at end of frame */ 552 553 /* 554 * RX status notification - describe the packet. 555 */ 556 #define IEEE80211_RX_F_STBC 0x00000001 557 #define IEEE80211_RX_F_LDPC 0x00000002 558 #define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start of an decap AMSDU list */ 559 #define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another decap AMSDU frame in the batch */ 560 #define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start of an decap AMPDU list */ 561 #define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another decap AMPDU frame in the batch */ 562 #define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */ 563 #define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check */ 564 #define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware decrypted */ 565 #define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV stripped */ 566 #define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC stripped */ 567 #define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a short-GI frame */ 568 #define IEEE80211_RX_F_CCK 0x00001000 569 #define IEEE80211_RX_F_OFDM 0x00002000 570 #define IEEE80211_RX_F_HT 0x00004000 571 #define IEEE80211_RX_F_VHT 0x00008000 572 573 /* Channel width */ 574 #define IEEE80211_RX_FW_20MHZ 1 575 #define IEEE80211_RX_FW_40MHZ 2 576 #define IEEE80211_RX_FW_80MHZ 3 577 578 /* PHY type */ 579 #define IEEE80211_RX_FP_11B 1 580 #define IEEE80211_RX_FP_11G 2 581 #define IEEE80211_RX_FP_11A 3 582 #define IEEE80211_RX_FP_11NA 4 583 #define IEEE80211_RX_FP_11NG 5 584 585 struct ieee80211_rx_stats { 586 uint32_t r_flags; /* IEEE80211_R_* flags */ 587 uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */ 588 589 uint64_t c_rx_tsf; /* 32 or 64 bit TSF */ 590 591 /* All DWORD aligned */ 592 int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 593 int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 594 int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 595 int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 596 597 /* 32 bits */ 598 uint8_t c_nf; /* global NF */ 599 uint8_t c_rssi; /* global RSSI */ 600 uint8_t c_chain; /* number of RX chains involved */ 601 uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */ 602 603 /* 32 bits */ 604 uint16_t c_freq; /* Frequency, MHz */ 605 uint8_t c_ieee; /* Channel */ 606 uint8_t c_width; /* channel width, FW flags above */ 607 608 /* Force alignment to DWORD */ 609 union { 610 uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 611 /* per-chain, per-pilot EVM values */ 612 uint32_t __aln[8]; 613 } evm; 614 615 /* 32 bits */ 616 uint8_t c_phytype; /* PHY type, FW flags above */ 617 uint8_t c_vhtnss; /* VHT - number of spatial streams */ 618 uint8_t c_pad2[2]; 619 }; 620 621 struct ieee80211_rx_params { 622 struct ieee80211_rx_stats params; 623 }; 624 625 #endif /* _NET80211__IEEE80211_H_ */ 626