1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 #ifndef _NET80211__IEEE80211_H_ 31 #define _NET80211__IEEE80211_H_ 32 33 /* 34 * 802.11 implementation definitions. 35 * 36 * NB: this file is used by applications. 37 */ 38 39 /* 40 * PHY type; mostly used to identify FH phys. 41 */ 42 enum ieee80211_phytype { 43 IEEE80211_T_DS, /* direct sequence spread spectrum */ 44 IEEE80211_T_FH, /* frequency hopping */ 45 IEEE80211_T_OFDM, /* frequency division multiplexing */ 46 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 47 IEEE80211_T_HT, /* high throughput */ 48 IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */ 49 IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */ 50 IEEE80211_T_VHT, /* VHT PHY */ 51 }; 52 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 53 54 /* 55 * PHY mode; this is not really a mode as multi-mode devices 56 * have multiple PHY's. Mode is mostly used as a shorthand 57 * for constraining which channels to consider in setting up 58 * operation. Modes used to be used more extensively when 59 * channels were identified as IEEE channel numbers. 60 */ 61 enum ieee80211_phymode { 62 IEEE80211_MODE_AUTO = 0, /* autoselect */ 63 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 64 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 65 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 66 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 67 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ 68 IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */ 69 IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */ 70 IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */ 71 IEEE80211_MODE_11NG = 9, /* 2GHz, w/ HT */ 72 IEEE80211_MODE_HALF = 10, /* OFDM, 1/2x clock */ 73 IEEE80211_MODE_QUARTER = 11, /* OFDM, 1/4x clock */ 74 IEEE80211_MODE_VHT_2GHZ = 12, /* 2GHz, VHT */ 75 IEEE80211_MODE_VHT_5GHZ = 13, /* 5GHz, VHT */ 76 }; 77 #define IEEE80211_MODE_MAX (IEEE80211_MODE_VHT_5GHZ+1) 78 #define IEEE80211_MODE_BYTES howmany(IEEE80211_MODE_MAX, NBBY) 79 80 /* 81 * Operating mode. Devices do not necessarily support 82 * all modes; they indicate which are supported in their 83 * capabilities. 84 */ 85 enum ieee80211_opmode { 86 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 87 IEEE80211_M_STA = 1, /* infrastructure station */ 88 IEEE80211_M_WDS = 2, /* WDS link */ 89 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 90 IEEE80211_M_HOSTAP = 4, /* Software Access Point */ 91 IEEE80211_M_MONITOR = 5, /* Monitor mode */ 92 IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */ 93 }; 94 #define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1) 95 96 /* 97 * 802.11g/802.11n protection mode. 98 */ 99 enum ieee80211_protmode { 100 IEEE80211_PROT_NONE = 0, /* no protection */ 101 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 102 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ 103 }; 104 105 /* 106 * Authentication mode. The open and shared key authentication 107 * modes are implemented within the 802.11 layer. 802.1x and 108 * WPA/802.11i are implemented in user mode by setting the 109 * 802.11 layer into IEEE80211_AUTH_8021X and deferring 110 * authentication to user space programs. 111 */ 112 enum ieee80211_authmode { 113 IEEE80211_AUTH_NONE = 0, 114 IEEE80211_AUTH_OPEN = 1, /* open */ 115 IEEE80211_AUTH_SHARED = 2, /* shared-key */ 116 IEEE80211_AUTH_8021X = 3, /* 802.1x */ 117 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 118 /* NB: these are used only for ioctls */ 119 IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */ 120 }; 121 122 /* 123 * Roaming mode is effectively who controls the operation 124 * of the 802.11 state machine when operating as a station. 125 * State transitions are controlled either by the driver 126 * (typically when management frames are processed by the 127 * hardware/firmware), the host (auto/normal operation of 128 * the 802.11 layer), or explicitly through ioctl requests 129 * when applications like wpa_supplicant want control. 130 */ 131 enum ieee80211_roamingmode { 132 IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */ 133 IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */ 134 IEEE80211_ROAMING_MANUAL= 2, /* application control */ 135 }; 136 137 /* 138 * Channels are specified by frequency and attributes. 139 */ 140 struct ieee80211_channel { 141 uint32_t ic_flags; /* see below */ 142 uint16_t ic_freq; /* primary centre frequency in MHz */ 143 uint8_t ic_ieee; /* IEEE channel number */ 144 int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */ 145 int8_t ic_maxpower; /* maximum tx power in .5 dBm */ 146 int8_t ic_minpower; /* minimum tx power in .5 dBm */ 147 uint8_t ic_state; /* dynamic state */ 148 uint8_t ic_extieee; /* HT40 extension channel number */ 149 int8_t ic_maxantgain; /* maximum antenna gain in .5 dBm */ 150 uint8_t ic_pad; 151 uint16_t ic_devdata; /* opaque device/driver data */ 152 uint8_t ic_vht_ch_freq1; /* VHT primary freq1 IEEE value */ 153 uint8_t ic_vht_ch_freq2; /* VHT secondary 80MHz freq2 IEEE value */ 154 uint16_t ic_freq2; /* VHT secondary 80MHz freq2 MHz */ 155 }; 156 157 /* 158 * Note: for VHT operation we will need significantly more than 159 * IEEE80211_CHAN_MAX channels because of the combinations of 160 * VHT20, VHT40, VHT80, VHT160, and VHT80+80. 161 */ 162 #define IEEE80211_CHAN_MAX 1024 163 #define IEEE80211_CHAN_BYTES howmany(IEEE80211_CHAN_MAX, NBBY) 164 #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ 165 #define IEEE80211_CHAN_ANYC \ 166 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) 167 168 /* channel attributes */ 169 #define IEEE80211_CHAN_PRIV0 0x00000001 /* driver private bit 0 */ 170 #define IEEE80211_CHAN_PRIV1 0x00000002 /* driver private bit 1 */ 171 #define IEEE80211_CHAN_PRIV2 0x00000004 /* driver private bit 2 */ 172 #define IEEE80211_CHAN_PRIV3 0x00000008 /* driver private bit 3 */ 173 #define IEEE80211_CHAN_TURBO 0x00000010 /* Turbo channel */ 174 #define IEEE80211_CHAN_CCK 0x00000020 /* CCK channel */ 175 #define IEEE80211_CHAN_OFDM 0x00000040 /* OFDM channel */ 176 #define IEEE80211_CHAN_2GHZ 0x00000080 /* 2 GHz spectrum channel. */ 177 #define IEEE80211_CHAN_5GHZ 0x00000100 /* 5 GHz spectrum channel */ 178 #define IEEE80211_CHAN_PASSIVE 0x00000200 /* Only passive scan allowed */ 179 #define IEEE80211_CHAN_DYN 0x00000400 /* Dynamic CCK-OFDM channel */ 180 #define IEEE80211_CHAN_GFSK 0x00000800 /* GFSK channel (FHSS PHY) */ 181 #define IEEE80211_CHAN_GSM 0x00001000 /* 900 MHz spectrum channel */ 182 #define IEEE80211_CHAN_STURBO 0x00002000 /* 11a static turbo channel only */ 183 #define IEEE80211_CHAN_HALF 0x00004000 /* Half rate channel */ 184 #define IEEE80211_CHAN_QUARTER 0x00008000 /* Quarter rate channel */ 185 #define IEEE80211_CHAN_HT20 0x00010000 /* HT 20 channel */ 186 #define IEEE80211_CHAN_HT40U 0x00020000 /* HT 40 channel w/ ext above */ 187 #define IEEE80211_CHAN_HT40D 0x00040000 /* HT 40 channel w/ ext below */ 188 #define IEEE80211_CHAN_DFS 0x00080000 /* DFS required */ 189 #define IEEE80211_CHAN_4MSXMIT 0x00100000 /* 4ms limit on frame length */ 190 #define IEEE80211_CHAN_NOADHOC 0x00200000 /* adhoc mode not allowed */ 191 #define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */ 192 #define IEEE80211_CHAN_11D 0x00800000 /* 802.11d required */ 193 #define IEEE80211_CHAN_VHT20 0x01000000 /* VHT20 channel */ 194 #define IEEE80211_CHAN_VHT40U 0x02000000 /* VHT40 channel, ext above */ 195 #define IEEE80211_CHAN_VHT40D 0x04000000 /* VHT40 channel, ext below */ 196 #define IEEE80211_CHAN_VHT80 0x08000000 /* VHT80 channel */ 197 #define IEEE80211_CHAN_VHT160 0x10000000 /* VHT160 channel */ 198 #define IEEE80211_CHAN_VHT80P80 0x20000000 /* VHT80+80 channel */ 199 /* XXX note: 0x80000000 is used in src/sbin/ifconfig/ifieee80211.c :( */ 200 201 #define IEEE80211_CHAN_HT40 (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D) 202 #define IEEE80211_CHAN_HT (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40) 203 204 #define IEEE80211_CHAN_VHT40 (IEEE80211_CHAN_VHT40U | IEEE80211_CHAN_VHT40D) 205 #define IEEE80211_CHAN_VHT (IEEE80211_CHAN_VHT20 | IEEE80211_CHAN_VHT40 \ 206 | IEEE80211_CHAN_VHT80 | IEEE80211_CHAN_VHT160 \ 207 | IEEE80211_CHAN_VHT80P80) 208 209 #define IEEE80211_CHAN_BITS \ 210 "\20\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \ 211 "\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \ 212 "\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D" \ 213 "\031VHT20\032VHT40U\033VHT40D\034VHT80\035VHT160\036VHT80P80" 214 215 /* 216 * Useful combinations of channel characteristics. 217 */ 218 #define IEEE80211_CHAN_FHSS \ 219 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 220 #define IEEE80211_CHAN_A \ 221 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 222 #define IEEE80211_CHAN_B \ 223 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 224 #define IEEE80211_CHAN_PUREG \ 225 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 226 #define IEEE80211_CHAN_G \ 227 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 228 #define IEEE80211_CHAN_108A \ 229 (IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO) 230 #define IEEE80211_CHAN_108G \ 231 (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO) 232 #define IEEE80211_CHAN_ST \ 233 (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO) 234 235 #define IEEE80211_CHAN_ALL \ 236 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ 237 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \ 238 IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \ 239 IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT) 240 #define IEEE80211_CHAN_ALLTURBO \ 241 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO) 242 243 #define IEEE80211_IS_CHAN_FHSS(_c) \ 244 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 245 #define IEEE80211_IS_CHAN_A(_c) \ 246 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 247 #define IEEE80211_IS_CHAN_B(_c) \ 248 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 249 #define IEEE80211_IS_CHAN_PUREG(_c) \ 250 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 251 #define IEEE80211_IS_CHAN_G(_c) \ 252 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 253 #define IEEE80211_IS_CHAN_ANYG(_c) \ 254 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) 255 #define IEEE80211_IS_CHAN_ST(_c) \ 256 (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST) 257 #define IEEE80211_IS_CHAN_108A(_c) \ 258 (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A) 259 #define IEEE80211_IS_CHAN_108G(_c) \ 260 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) 261 262 #define IEEE80211_IS_CHAN_2GHZ(_c) \ 263 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 264 #define IEEE80211_IS_CHAN_5GHZ(_c) \ 265 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 266 #define IEEE80211_IS_CHAN_PASSIVE(_c) \ 267 (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0) 268 #define IEEE80211_IS_CHAN_OFDM(_c) \ 269 (((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0) 270 #define IEEE80211_IS_CHAN_CCK(_c) \ 271 (((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0) 272 #define IEEE80211_IS_CHAN_DYN(_c) \ 273 (((_c)->ic_flags & IEEE80211_CHAN_DYN) == IEEE80211_CHAN_DYN) 274 #define IEEE80211_IS_CHAN_GFSK(_c) \ 275 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 276 #define IEEE80211_IS_CHAN_TURBO(_c) \ 277 (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0) 278 #define IEEE80211_IS_CHAN_STURBO(_c) \ 279 (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0) 280 #define IEEE80211_IS_CHAN_DTURBO(_c) \ 281 (((_c)->ic_flags & \ 282 (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO) 283 #define IEEE80211_IS_CHAN_HALF(_c) \ 284 (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) 285 #define IEEE80211_IS_CHAN_QUARTER(_c) \ 286 (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) 287 #define IEEE80211_IS_CHAN_FULL(_c) \ 288 (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0) 289 #define IEEE80211_IS_CHAN_GSM(_c) \ 290 (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0) 291 #define IEEE80211_IS_CHAN_HT(_c) \ 292 (((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 293 #define IEEE80211_IS_CHAN_HT20(_c) \ 294 (((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0) 295 #define IEEE80211_IS_CHAN_HT40(_c) \ 296 (((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0) 297 #define IEEE80211_IS_CHAN_HT40U(_c) \ 298 (((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0) 299 #define IEEE80211_IS_CHAN_HT40D(_c) \ 300 (((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0) 301 #define IEEE80211_IS_CHAN_HTA(_c) \ 302 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 303 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 304 #define IEEE80211_IS_CHAN_HTG(_c) \ 305 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 306 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0) 307 #define IEEE80211_IS_CHAN_DFS(_c) \ 308 (((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0) 309 #define IEEE80211_IS_CHAN_NOADHOC(_c) \ 310 (((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0) 311 #define IEEE80211_IS_CHAN_NOHOSTAP(_c) \ 312 (((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0) 313 #define IEEE80211_IS_CHAN_11D(_c) \ 314 (((_c)->ic_flags & IEEE80211_CHAN_11D) != 0) 315 316 #define IEEE80211_IS_CHAN_VHT(_c) \ 317 (((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 318 #define IEEE80211_IS_CHAN_VHT_2GHZ(_c) \ 319 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 320 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 321 #define IEEE80211_IS_CHAN_VHT_5GHZ(_c) \ 322 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 323 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 324 #define IEEE80211_IS_CHAN_VHT20(_c) \ 325 (((_c)->ic_flags & IEEE80211_CHAN_VHT20) != 0) 326 #define IEEE80211_IS_CHAN_VHT40(_c) \ 327 (((_c)->ic_flags & IEEE80211_CHAN_VHT40) != 0) 328 #define IEEE80211_IS_CHAN_VHT40U(_c) \ 329 (((_c)->ic_flags & IEEE80211_CHAN_VHT40U) != 0) 330 #define IEEE80211_IS_CHAN_VHT40D(_c) \ 331 (((_c)->ic_flags & IEEE80211_CHAN_VHT40D) != 0) 332 #define IEEE80211_IS_CHAN_VHTA(_c) \ 333 (IEEE80211_IS_CHAN_5GHZ(_c) && \ 334 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 335 #define IEEE80211_IS_CHAN_VHTG(_c) \ 336 (IEEE80211_IS_CHAN_2GHZ(_c) && \ 337 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) 338 #define IEEE80211_IS_CHAN_VHT80(_c) \ 339 (((_c)->ic_flags & IEEE80211_CHAN_VHT80) != 0) 340 #define IEEE80211_IS_CHAN_VHT160(_c) \ 341 (((_c)->ic_flags & IEEE80211_CHAN_VHT160) != 0) 342 #define IEEE80211_IS_CHAN_VHT80P80(_c) \ 343 (((_c)->ic_flags & IEEE80211_CHAN_VHT80P80) != 0) 344 345 #define IEEE80211_CHAN2IEEE(_c) (_c)->ic_ieee 346 347 /* dynamic state */ 348 #define IEEE80211_CHANSTATE_RADAR 0x01 /* radar detected */ 349 #define IEEE80211_CHANSTATE_CACDONE 0x02 /* CAC completed */ 350 #define IEEE80211_CHANSTATE_CWINT 0x04 /* interference detected */ 351 #define IEEE80211_CHANSTATE_NORADAR 0x10 /* post notify on radar clear */ 352 353 #define IEEE80211_IS_CHAN_RADAR(_c) \ 354 (((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0) 355 #define IEEE80211_IS_CHAN_CACDONE(_c) \ 356 (((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0) 357 #define IEEE80211_IS_CHAN_CWINT(_c) \ 358 (((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0) 359 360 /* ni_chan encoding for FH phy */ 361 #define IEEE80211_FH_CHANMOD 80 362 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 363 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 364 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 365 366 #define IEEE80211_TID_SIZE (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */ 367 #define IEEE80211_NONQOS_TID WME_NUM_TID /* index for non-QoS sta */ 368 369 /* 370 * The 802.11 spec says at most 2007 stations may be 371 * associated at once. For most AP's this is way more 372 * than is feasible so we use a default of 128. This 373 * number may be overridden by the driver and/or by 374 * user configuration but may not be less than IEEE80211_AID_MIN. 375 */ 376 #define IEEE80211_AID_DEF 128 377 #define IEEE80211_AID_MIN 16 378 379 /* 380 * 802.11 rate set. 381 */ 382 #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 383 #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 384 385 struct ieee80211_rateset { 386 uint8_t rs_nrates; 387 uint8_t rs_rates[IEEE80211_RATE_MAXSIZE]; 388 }; 389 390 /* 391 * 802.11n variant of ieee80211_rateset. Instead of 392 * legacy rates the entries are MCS rates. We define 393 * the structure such that it can be used interchangeably 394 * with an ieee80211_rateset (modulo structure size). 395 */ 396 #define IEEE80211_HTRATE_MAXSIZE 77 397 398 struct ieee80211_htrateset { 399 uint8_t rs_nrates; 400 uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE]; 401 }; 402 403 #define IEEE80211_RATE_MCS 0x80 404 405 /* 406 * Per-mode transmit parameters/controls visible to user space. 407 * These can be used to set fixed transmit rate for all operating 408 * modes or on a per-client basis according to the capabilities 409 * of the client (e.g. an 11b client associated to an 11g ap). 410 * 411 * MCS are distinguished from legacy rates by or'ing in 0x80. 412 */ 413 struct ieee80211_txparam { 414 uint8_t ucastrate; /* ucast data rate (legacy/MCS|0x80) */ 415 uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS|0x80) */ 416 uint8_t mcastrate; /* multicast rate (legacy/MCS|0x80) */ 417 uint8_t maxretry; /* max unicast data retry count */ 418 }; 419 420 /* 421 * Per-mode roaming state visible to user space. There are two 422 * thresholds that control whether roaming is considered; when 423 * either is exceeded the 802.11 layer will check the scan cache 424 * for another AP. If the cache is stale then a scan may be 425 * triggered. 426 */ 427 struct ieee80211_roamparam { 428 int8_t rssi; /* rssi thresh (.5 dBm) */ 429 uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */ 430 uint16_t pad; /* reserve */ 431 }; 432 433 /* 434 * Regulatory Information. 435 */ 436 struct ieee80211_regdomain { 437 uint16_t regdomain; /* SKU */ 438 uint16_t country; /* ISO country code */ 439 uint8_t location; /* I (indoor), O (outdoor), other */ 440 uint8_t ecm; /* Extended Channel Mode */ 441 char isocc[2]; /* country code string */ 442 short pad[2]; 443 }; 444 445 /* 446 * MIMO antenna/radio state. 447 */ 448 #define IEEE80211_MAX_CHAINS 4 449 /* 450 * This is the number of sub-channels for a channel. 451 * 0 - pri20 452 * 1 - sec20 (HT40, VHT40) 453 * 2 - sec40 (VHT80) 454 * 3 - sec80 (VHT80+80, VHT160) 455 */ 456 #define IEEE80211_MAX_CHAIN_PRISEC 4 457 #define IEEE80211_MAX_EVM_DWORDS 16 /* 16 pilots, 4 chains */ 458 #define IEEE80211_MAX_EVM_PILOTS 16 /* 468 subcarriers, 16 pilots */ 459 460 struct ieee80211_mimo_chan_info { 461 int8_t rssi[IEEE80211_MAX_CHAIN_PRISEC]; 462 int8_t noise[IEEE80211_MAX_CHAIN_PRISEC]; 463 }; 464 465 struct ieee80211_mimo_info { 466 struct ieee80211_mimo_chan_info ch[IEEE80211_MAX_CHAINS]; 467 uint32_t evm[IEEE80211_MAX_EVM_DWORDS]; 468 }; 469 470 /* 471 * ic_caps/iv_caps: device driver capabilities 472 */ 473 /* 0x2e available */ 474 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 475 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 476 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 477 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 478 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 479 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 480 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 481 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 482 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 483 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 484 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 485 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 486 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 487 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 488 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 489 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ 490 #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */ 491 #define IEEE80211_C_UAPSD 0x00200000 /* CAPABILITY: U-APSD */ 492 /* 0x7c0000 available */ 493 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 494 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 495 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 496 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 497 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 498 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 499 /* 0x10000000 reserved */ 500 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 501 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 502 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 503 /* XXX protection/barker? */ 504 505 #define IEEE80211_C_OPMODE \ 506 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 507 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 508 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 509 510 #define IEEE80211_C_BITS \ 511 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 512 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 513 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 514 "\37TXFRAG\40TDMA" 515 516 /* 517 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 518 * 519 * NB: the low 16-bits are the 802.11 definitions, the upper 520 * 16-bits are used to define s/w/driver capabilities. 521 */ 522 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 523 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 524 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 525 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 526 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 527 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 528 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 529 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 530 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 531 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 support */ 532 #define IEEE80211_HTC_TXLDPC 0x02000000 /* CAPABILITY: TX using LDPC */ 533 #define IEEE80211_HTC_RX_AMSDU_AMPDU 0x04000000 /* CAPABILITY: RX A-MSDU in A-MPDU */ 534 #define IEEE80211_HTC_TX_AMSDU_AMPDU 0x08000000 /* CAPABILITY: TX A-MSDU in A-MPDU */ 535 536 #define IEEE80211_C_HTCAP_BITS \ 537 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 538 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS\32TXLDPC\33RXAMSDUAMPDU" \ 539 "\34TXAMSDUAMPDU" 540 541 /* 542 * RX status notification - which fields are valid. 543 */ 544 #define IEEE80211_R_NF 0x00000001 /* global NF value valid */ 545 #define IEEE80211_R_RSSI 0x00000002 /* global RSSI value valid */ 546 #define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid */ 547 #define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value valid */ 548 #define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value valid */ 549 #define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid */ 550 #define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 551 #define IEEE80211_R_FREQ 0x00000080 /* Freq value populated, MHz */ 552 #define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated */ 553 #define IEEE80211_R_BAND 0x00000200 /* Frequency band populated */ 554 #define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */ 555 #define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */ 556 #define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at start of frame */ 557 #define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at end of frame */ 558 559 /* 560 * RX status notification - describe the packet. 561 */ 562 #define IEEE80211_RX_F_STBC 0x00000001 563 #define IEEE80211_RX_F_LDPC 0x00000002 564 #define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start of an decap AMSDU list */ 565 #define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another decap AMSDU frame in the batch */ 566 #define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start of an decap AMPDU list */ 567 #define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another decap AMPDU frame in the batch */ 568 #define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */ 569 #define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check */ 570 #define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware decrypted */ 571 #define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV stripped */ 572 #define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC stripped */ 573 #define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a short-GI frame */ 574 #define IEEE80211_RX_F_CCK 0x00001000 575 #define IEEE80211_RX_F_OFDM 0x00002000 576 #define IEEE80211_RX_F_HT 0x00004000 577 #define IEEE80211_RX_F_VHT 0x00008000 578 579 /* Channel width */ 580 #define IEEE80211_RX_FW_20MHZ 1 581 #define IEEE80211_RX_FW_40MHZ 2 582 #define IEEE80211_RX_FW_80MHZ 3 583 584 /* PHY type */ 585 #define IEEE80211_RX_FP_11B 1 586 #define IEEE80211_RX_FP_11G 2 587 #define IEEE80211_RX_FP_11A 3 588 #define IEEE80211_RX_FP_11NA 4 589 #define IEEE80211_RX_FP_11NG 5 590 591 struct ieee80211_rx_stats { 592 uint32_t r_flags; /* IEEE80211_R_* flags */ 593 uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */ 594 595 uint64_t c_rx_tsf; /* 32 or 64 bit TSF */ 596 597 /* All DWORD aligned */ 598 int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 599 int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 600 int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 601 int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 602 603 /* 32 bits */ 604 uint8_t c_nf; /* global NF */ 605 uint8_t c_rssi; /* global RSSI */ 606 uint8_t c_chain; /* number of RX chains involved */ 607 uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */ 608 609 /* 32 bits */ 610 uint16_t c_freq; /* Frequency, MHz */ 611 uint8_t c_ieee; /* Channel */ 612 uint8_t c_width; /* channel width, FW flags above */ 613 614 /* Force alignment to DWORD */ 615 union { 616 uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 617 /* per-chain, per-pilot EVM values */ 618 uint32_t __aln[8]; 619 } evm; 620 621 /* 32 bits */ 622 uint8_t c_phytype; /* PHY type, FP flags above */ 623 uint8_t c_vhtnss; /* VHT - number of spatial streams */ 624 uint8_t c_pad2[2]; 625 }; 626 627 struct ieee80211_rx_params { 628 struct ieee80211_rx_stats params; 629 }; 630 631 #endif /* _NET80211__IEEE80211_H_ */ 632