1 /* 2 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* 7 * Copyright (c) 2001 Atsushi Onoe 8 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * Alternatively, this software may be distributed under the terms of the 23 * GNU General Public License ("GPL") version 2 as published by the Free 24 * Software Foundation. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #pragma ident "%Z%%M% %I% %E% SMI" 39 40 #ifndef _SYS_NET80211_PROTO_H 41 #define _SYS_NET80211_PROTO_H 42 43 /* 44 * 802.11 protocol definitions 45 */ 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 52 #define IEEE80211_ADDR_COPY(dst, src) \ 53 ((void) bcopy(src, dst, IEEE80211_ADDR_LEN)) 54 #define IEEE80211_ADDR_EQ(a1, a2) \ 55 (bcmp(a1, a2, IEEE80211_ADDR_LEN) == 0) 56 /* is 802.11 address multicast/broadcast? */ 57 #define IEEE80211_IS_MULTICAST(addr) \ 58 ((((uint8_t *)addr)[0]) & 0x01) 59 60 /* 61 * Size of an ACK control frame in bytes. 62 */ 63 #define IEEE80211_ACK_SIZE (2 + 2 + IEEE80211_ADDR_LEN + 4) 64 65 #define WME_NUM_AC 4 /* 4 AC categories */ 66 67 /* 68 * Protocol Physical Layer 69 */ 70 71 /* XXX not really a mode; there are really multiple PHY's */ 72 enum ieee80211_phymode { 73 IEEE80211_MODE_AUTO = 0, /* autoselect */ 74 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 75 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 76 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 77 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 78 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ 79 IEEE80211_MODE_TURBO_G = 6 /* 2GHz, OFDM, 2x clock */ 80 }; 81 #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO_G+1) 82 83 enum ieee80211_phytype { 84 IEEE80211_T_DS, /* direct sequence spread spectrum */ 85 IEEE80211_T_FH, /* frequency hopping */ 86 IEEE80211_T_OFDM, /* frequency division multiplexing */ 87 IEEE80211_T_TURBO /* high rate OFDM, aka turbo mode */ 88 }; 89 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 90 91 enum ieee80211_opmode { 92 IEEE80211_M_STA = 1, /* infrastructure station */ 93 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 94 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 95 IEEE80211_M_HOSTAP = 6, /* Software Access Point */ 96 IEEE80211_M_MONITOR = 8 /* Monitor mode */ 97 }; 98 99 /* 100 * 802.11g protection mode. 101 */ 102 enum ieee80211_protmode { 103 IEEE80211_PROT_NONE = 0, /* no protection */ 104 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 105 IEEE80211_PROT_RTSCTS = 2 /* RTS-CTS */ 106 }; 107 108 /* 109 * generic definitions for IEEE 802.11 frames 110 */ 111 #pragma pack(1) 112 struct ieee80211_frame { 113 uint8_t i_fc[2]; /* [0]-protocol version, [1]-type & subtype */ 114 uint8_t i_dur[2]; 115 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 116 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 117 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 118 uint8_t i_seq[2]; 119 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 120 /* see below */ 121 }; 122 123 struct ieee80211_frame_addr4 { 124 uint8_t i_fc[2]; 125 uint8_t i_dur[2]; 126 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 127 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 128 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 129 uint8_t i_seq[2]; 130 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 131 }; 132 133 /* Start part(LLC and SNAP) of payload of IEEE80211 frame */ 134 struct ieee80211_llc { 135 /* LLC */ 136 uint8_t illc_dsap; 137 uint8_t illc_ssap; 138 uint8_t illc_control; 139 /* SNAP */ 140 uint8_t illc_oc[3]; /* protocol ID or organization code */ 141 uint16_t illc_ether_type; /* ethernet type */ 142 }; 143 144 /* 145 * Management Notification Frame 146 */ 147 struct ieee80211_mnf { 148 uint8_t mnf_category; 149 uint8_t mnf_action; 150 uint8_t mnf_dialog; 151 uint8_t mnf_status; 152 }; 153 #define IEEE80211_MNF_SETUP_REQ 0 154 #define IEEE80211_MNF_SETUP_RESP 1 155 #define IEEE80211_MNF_TEARDOWN 2 156 157 /* 158 * Control frames. 159 */ 160 struct ieee80211_frame_min { 161 uint8_t i_fc[2]; 162 uint8_t i_dur[2]; 163 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 164 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 165 /* FCS */ 166 }; 167 168 struct ieee80211_frame_rts { 169 uint8_t i_fc[2]; 170 uint8_t i_dur[2]; 171 uint8_t i_ra[IEEE80211_ADDR_LEN]; 172 uint8_t i_ta[IEEE80211_ADDR_LEN]; 173 /* FCS */ 174 }; 175 176 struct ieee80211_frame_cts { 177 uint8_t i_fc[2]; 178 uint8_t i_dur[2]; 179 uint8_t i_ra[IEEE80211_ADDR_LEN]; 180 /* FCS */ 181 }; 182 183 struct ieee80211_frame_ack { 184 uint8_t i_fc[2]; 185 uint8_t i_dur[2]; 186 uint8_t i_ra[IEEE80211_ADDR_LEN]; 187 /* FCS */ 188 }; 189 190 struct ieee80211_frame_pspoll { 191 uint8_t i_fc[2]; 192 uint8_t i_aid[2]; 193 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 194 uint8_t i_ta[IEEE80211_ADDR_LEN]; 195 /* FCS */ 196 }; 197 198 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 199 uint8_t i_fc[2]; 200 uint8_t i_dur[2]; /* should be zero */ 201 uint8_t i_ra[IEEE80211_ADDR_LEN]; 202 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 203 /* FCS */ 204 }; 205 206 struct ieee80211_tim_ie { 207 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 208 uint8_t tim_len; 209 uint8_t tim_count; /* DTIM count */ 210 uint8_t tim_period; /* DTIM period */ 211 uint8_t tim_bitctl; /* bitmap control */ 212 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 213 }; 214 215 /* 216 * 802.11i/WPA information element (maximally sized). 217 */ 218 struct ieee80211_ie_wpa { 219 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 220 uint8_t wpa_len; /* length in bytes */ 221 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 222 uint8_t wpa_type; /* OUI type */ 223 uint16_t wpa_version; /* spec revision */ 224 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 225 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 226 uint32_t wpa_uciphers[8]; /* ciphers */ 227 uint16_t wpa_authselcnt; /* authentication selector cnt */ 228 uint32_t wpa_authsels[8]; /* selectors */ 229 uint16_t wpa_caps; /* 802.11i capabilities */ 230 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 231 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 232 }; 233 234 /* 235 * WME AC parameter field 236 */ 237 struct ieee80211_wme_acparams { 238 uint8_t acp_aci_aifsn; 239 uint8_t acp_logcwminmax; 240 uint16_t acp_txop; 241 }; 242 243 /* 244 * WME Parameter Element 245 */ 246 struct ieee80211_wme_param { 247 uint8_t wme_id; 248 uint8_t wme_len; 249 uint8_t wme_oui[3]; 250 uint8_t wme_oui_type; 251 uint8_t wme_oui_sybtype; 252 uint8_t wme_version; 253 uint8_t wme_qosInfo; 254 uint8_t wme_reserved; 255 struct ieee80211_wme_acparams wme_acParams[WME_NUM_AC]; 256 }; 257 #pragma pack() 258 259 #define IEEE80211_FC0_VERSION_MASK 0x03 260 #define IEEE80211_FC0_VERSION_SHIFT 0 261 #define IEEE80211_FC0_VERSION_0 0x00 262 #define IEEE80211_FC0_TYPE_MASK 0x0c 263 #define IEEE80211_FC0_TYPE_SHIFT 2 264 #define IEEE80211_FC0_TYPE_MGT 0x00 265 #define IEEE80211_FC0_TYPE_CTL 0x04 266 #define IEEE80211_FC0_TYPE_DATA 0x08 267 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 268 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 269 /* for TYPE_MGT */ 270 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 271 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 272 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 273 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 274 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 275 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 276 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 277 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 278 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 279 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 280 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 281 /* for TYPE_CTL */ 282 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 283 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 284 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 285 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 286 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 287 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 288 /* for TYPE_DATA (bit combination) */ 289 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 290 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 291 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 292 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 293 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 294 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 295 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 296 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 297 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 298 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 299 300 #define IEEE80211_FC1_DIR_MASK 0x03 301 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 302 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 303 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 304 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 305 #define IEEE80211_FC1_MORE_FRAG 0x04 306 #define IEEE80211_FC1_RETRY 0x08 307 #define IEEE80211_FC1_PWR_MGT 0x10 308 #define IEEE80211_FC1_MORE_DATA 0x20 309 #define IEEE80211_FC1_WEP 0x40 310 #define IEEE80211_FC1_ORDER 0x80 311 312 #define IEEE80211_SEQ_FRAG_MASK 0x000f 313 #define IEEE80211_SEQ_FRAG_SHIFT 0 314 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 315 #define IEEE80211_SEQ_SEQ_SHIFT 4 /* 4bit frag number */ 316 317 /* Length of management frame variable-length components in bytes */ 318 #define IEEE80211_NWID_LEN 32 /* SSID */ 319 #define IEEE80211_FH_LEN 5 /* FH parameters */ 320 #define IEEE80211_DS_LEN 1 /* DS parameters */ 321 #define IEEE80211_IBSS_LEN 4 /* IBSS parameters */ 322 #define IEEE80211_ERP_LEN 1 /* ERP information */ 323 324 /* 325 * Length of management frame information elements containing 326 * a variable-length component is: 327 * element_id(1 byte) + length(1 byte) + component(variable bytes) 328 */ 329 #define IEEE80211_ELEM_LEN(complen) (2 + (complen)) 330 331 /* 332 * minimal length of beacon/probe response frame elements 333 * time stamp[8] + beacon interval[2] + capability[2] 334 */ 335 #define IEEE80211_BEACON_ELEM_MIN 12 336 /* 337 * Minimal length of authentication frame elements 338 * algorithm[2] + sequence[2] + status[2] 339 */ 340 #define IEEE80211_AUTH_ELEM_MIN 6 341 /* 342 * Minimal length of association response frame elements 343 * capability[2] + status[2] + association ID[2] 344 */ 345 #define IEEE80211_ASSOC_RESP_ELEM_MIN 6 346 347 #define IEEE80211_CAPINFO_ESS 0x0001 348 #define IEEE80211_CAPINFO_IBSS 0x0002 349 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 350 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 351 #define IEEE80211_CAPINFO_PRIVACY 0x0010 352 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 353 #define IEEE80211_CAPINFO_PBCC 0x0040 354 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 355 /* bits 8-9 are reserved */ 356 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 357 #define IEEE80211_CAPINFO_RSN 0x0800 358 /* bit 12 is reserved */ 359 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 360 /* bits 14-15 are reserved */ 361 362 /* 363 * Management information element payloads. 364 */ 365 366 enum { 367 IEEE80211_ELEMID_SSID = 0, 368 IEEE80211_ELEMID_RATES = 1, 369 IEEE80211_ELEMID_FHPARMS = 2, 370 IEEE80211_ELEMID_DSPARMS = 3, 371 IEEE80211_ELEMID_CFPARMS = 4, 372 IEEE80211_ELEMID_TIM = 5, 373 IEEE80211_ELEMID_IBSSPARMS = 6, 374 IEEE80211_ELEMID_COUNTRY = 7, 375 IEEE80211_ELEMID_CHALLENGE = 16, 376 /* 17-31 reserved for challenge text extension */ 377 IEEE80211_ELEMID_ERP = 42, 378 IEEE80211_ELEMID_RSN = 48, 379 IEEE80211_ELEMID_XRATES = 50, 380 /* 128-129 proprietary elements used by Agere chipsets */ 381 IEEE80211_ELEMID_AGERE1 = 128, 382 IEEE80211_ELEMID_AGERE2 = 129, 383 IEEE80211_ELEMID_TPC = 150, 384 IEEE80211_ELEMID_CCKM = 156, 385 IEEE80211_ELEMID_VENDOR = 221 /* vendor private */ 386 }; 387 388 #define IEEE80211_CHALLENGE_LEN 128 389 390 #define IEEE80211_RATE_BASIC 0x80 391 #define IEEE80211_RATE_VAL 0x7f 392 393 /* EPR information element flags */ 394 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 395 #define IEEE80211_ERP_USE_PROTECTION 0x02 396 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 397 398 #define IEEE80211_AUTH_ALG_OPEN 0x0000 399 #define IEEE80211_AUTH_ALG_SHARED 0x0001 400 #define IEEE80211_AUTH_ALG_LEAP 0x0080 401 402 403 enum { 404 IEEE80211_AUTH_OPEN_REQUEST = 1, 405 IEEE80211_AUTH_OPEN_RESPONSE = 2 406 }; 407 408 enum { 409 IEEE80211_AUTH_SHARED_REQUEST = 1, 410 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 411 IEEE80211_AUTH_SHARED_RESPONSE = 3, 412 IEEE80211_AUTH_SHARED_PASS = 4 413 }; 414 415 /* 416 * Reason codes 417 * 418 * Unlisted codes are reserved 419 */ 420 enum { 421 IEEE80211_REASON_UNSPECIFIED = 1, 422 IEEE80211_REASON_AUTH_EXPIRE = 2, 423 IEEE80211_REASON_AUTH_LEAVE = 3, 424 IEEE80211_REASON_ASSOC_EXPIRE = 4, 425 IEEE80211_REASON_ASSOC_TOOMANY = 5, 426 IEEE80211_REASON_NOT_AUTHED = 6, 427 IEEE80211_REASON_NOT_ASSOCED = 7, 428 IEEE80211_REASON_ASSOC_LEAVE = 8, 429 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 430 IEEE80211_REASON_INVALID_POWER = 10, 431 IEEE80211_REASON_RSN_REQUIRED = 11, 432 IEEE80211_REASON_RSN_INCONSISTENT = 12, 433 IEEE80211_REASON_IE_INVALID = 13, 434 IEEE80211_REASON_MIC_FAILURE = 14 435 }; 436 437 /* 438 * Status codes 439 * 440 * Unlisted codes are reserved and unused 441 */ 442 enum { 443 IEEE80211_STATUS_SUCCESS = 0, 444 IEEE80211_STATUS_UNSPECIFIED = 1, 445 IEEE80211_STATUS_CAPINFO = 10, 446 IEEE80211_STATUS_NOT_ASSOCED = 11, 447 IEEE80211_STATUS_OTHER = 12, 448 IEEE80211_STATUS_ALG = 13, 449 IEEE80211_STATUS_SEQUENCE = 14, 450 IEEE80211_STATUS_CHALLENGE = 15, 451 IEEE80211_STATUS_TIMEOUT = 16, 452 IEEE80211_STATUS_TOOMANY = 17, 453 IEEE80211_STATUS_BASIC_RATE = 18, 454 IEEE80211_STATUS_SP_REQUIRED = 19, 455 IEEE80211_STATUS_PBCC_REQUIRED = 20, 456 IEEE80211_STATUS_CA_REQUIRED = 21, 457 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 458 IEEE80211_STATUS_RATES = 23, 459 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 460 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26 461 }; 462 463 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 464 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 465 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 466 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 467 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 468 469 #define IEEE80211_CRC_LEN 4 470 471 /* 472 * Maximum acceptable MTU is defined by 802.11 473 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. 474 */ 475 #define IEEE80211_MTU_MAX 2304 476 #define IEEE80211_MTU_MIN 32 477 #define IEEE80211_MTU 1500 478 479 #define IEEE80211_MAX_LEN \ 480 (sizeof (struct ieee80211_frame_addr4) + \ 481 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN) + \ 482 IEEE80211_MTU_MAX + IEEE80211_CRC_LEN) 483 #define IEEE80211_ACK_LEN \ 484 (sizeof (struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 485 #define IEEE80211_MIN_LEN \ 486 (sizeof (struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 487 488 /* 489 * The 802.11 spec says at most 2007 stations may be 490 * associated at once. For most AP's this is way more 491 * than is feasible so we use a default of 128. This 492 * number may be overridden by the driver and/or by 493 * user configuration. 494 */ 495 #define IEEE80211_AID_MAX 2007 496 #define IEEE80211_AID_DEF 128 497 498 #define IEEE80211_AID(b) ((b) &~ 0xc000) 499 500 /* 501 * RTS frame length parameters. The default is specified in 502 * the 802.11 spec as 512; we treat it as implementation-dependent 503 * so it's defined in ieee80211_var.h. The max may be wrong 504 * for jumbo frames. 505 */ 506 #define IEEE80211_RTS_MIN 1 507 #define IEEE80211_RTS_MAX 2346 508 509 /* 510 * TX fragmentation parameters. As above for RTS, we treat 511 * default as implementation-dependent so define it elsewhere. 512 */ 513 #define IEEE80211_FRAG_MIN 256 514 #define IEEE80211_FRAG_MAX 2346 515 516 /* flags for ieee80211_fix_rate() */ 517 #define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 518 #define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */ 519 #define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 520 #define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 521 522 /* 523 * Beacon frames constructed by ieee80211_beacon_alloc 524 * have the following structure filled in so drivers 525 * can update the frame later w/ minimal overhead. 526 */ 527 struct ieee80211_beacon_offsets { 528 uint16_t *bo_caps; /* capabilities */ 529 uint8_t *bo_tim; /* start of atim/dtim */ 530 uint8_t *bo_wme; /* start of WME parameters */ 531 uint8_t *bo_trailer; /* start of fixed-size trailer */ 532 uint16_t bo_tim_len; /* atim/dtim length in bytes */ 533 uint16_t bo_trailer_len; /* trailer length in bytes */ 534 uint8_t *bo_erp; /* start of ERP element */ 535 }; 536 537 #ifdef __cplusplus 538 } 539 #endif 540 541 #endif /* _SYS_NET80211_PROTO_H */ 542