1/* 2 * Copyright 2009 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) 2002-2008 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#ifndef _SYS_NET80211_PROTO_H 39#define _SYS_NET80211_PROTO_H 40 41/* 42 * 802.11 protocol definitions 43 */ 44 45#ifdef __cplusplus 46extern "C" { 47#endif 48 49#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 50#define IEEE80211_ADDR_COPY(dst, src) \ 51 ((void) bcopy(src, dst, IEEE80211_ADDR_LEN)) 52#define IEEE80211_ADDR_EQ(a1, a2) \ 53 (bcmp(a1, a2, IEEE80211_ADDR_LEN) == 0) 54/* is 802.11 address multicast/broadcast? */ 55#define IEEE80211_IS_MULTICAST(addr) \ 56 ((((uint8_t *)addr)[0]) & 0x01) 57 58/* 59 * Size of an ACK control frame in bytes. 60 */ 61#define IEEE80211_ACK_SIZE (2 + 2 + IEEE80211_ADDR_LEN + 4) 62 63#define WME_NUM_AC 4 /* 4 AC categories */ 64 65/* 66 * The formation of some management frames requires guidance to 67 * deal with legacy clients. When the client is identified as 68 * "legacy 11b" this parameter can be passed in the arg param of a 69 * IEEE80211_SEND_MGMT call. 70 */ 71#define IEEE80211_SEND_LEGACY_11B 0x1 /* legacy 11b client */ 72#define IEEE80211_SEND_LEGACY_11 0x2 /* other legacy client */ 73#define IEEE80211_SEND_LEGACY 0x3 /* any legacy client */ 74 75/* 76 * Protocol Physical Layer 77 */ 78 79/* XXX not really a mode; there are really multiple PHY's */ 80enum ieee80211_phymode { 81 IEEE80211_MODE_AUTO = 0, /* autoselect */ 82 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 83 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 84 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 85 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 86 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ 87 IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */ 88 IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */ 89 IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */ 90 IEEE80211_MODE_11NG = 9 /* 2GHz, w/ HT */ 91}; 92#define IEEE80211_MODE_MAX (IEEE80211_MODE_11NG + 1) 93 94enum ieee80211_phytype { 95 IEEE80211_T_DS, /* direct sequence spread spectrum */ 96 IEEE80211_T_FH, /* frequency hopping */ 97 IEEE80211_T_OFDM, /* frequency division multiplexing */ 98 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 99 IEEE80211_T_HT /* high throughput, full GI */ 100}; 101#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 102 103enum ieee80211_opmode { 104 IEEE80211_M_STA = 1, /* infrastructure station */ 105 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 106 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 107 IEEE80211_M_HOSTAP = 6, /* Software Access Point */ 108 IEEE80211_M_MONITOR = 8 /* Monitor mode */ 109}; 110 111/* 112 * 802.11g protection mode. 113 */ 114enum ieee80211_protmode { 115 IEEE80211_PROT_NONE = 0, /* no protection */ 116 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 117 IEEE80211_PROT_RTSCTS = 2 /* RTS-CTS */ 118}; 119 120/* 121 * generic definitions for IEEE 802.11 frames 122 */ 123#pragma pack(1) 124struct ieee80211_frame { 125 uint8_t i_fc[2]; /* [0]-protocol version, [1]-type & subtype */ 126 uint8_t i_dur[2]; 127 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 128 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 129 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 130 uint8_t i_seq[2]; 131 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 132 /* see below */ 133}; 134 135struct ieee80211_qosframe { 136 uint8_t i_fc[2]; 137 uint8_t i_dur[2]; 138 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 139 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 140 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 141 uint8_t i_seq[2]; 142 uint8_t i_qos[2]; 143 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 144 /* see below */ 145}; 146 147struct ieee80211_qoscntl { 148 uint8_t i_qos[2]; 149}; 150 151struct ieee80211_frame_addr4 { 152 uint8_t i_fc[2]; 153 uint8_t i_dur[2]; 154 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 155 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 156 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 157 uint8_t i_seq[2]; 158 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 159}; 160 161struct ieee80211_qosframe_addr4 { 162 uint8_t i_fc[2]; 163 uint8_t i_dur[2]; 164 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 165 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 166 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 167 uint8_t i_seq[2]; 168 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 169 uint8_t i_qos[2]; 170}; 171 172/* Start part(LLC and SNAP) of payload of IEEE80211 frame */ 173struct ieee80211_llc { 174 /* LLC */ 175 uint8_t illc_dsap; 176 uint8_t illc_ssap; 177 uint8_t illc_control; 178 /* SNAP */ 179 uint8_t illc_oc[3]; /* protocol ID or organization code */ 180 uint16_t illc_ether_type; /* ethernet type */ 181}; 182 183/* 184 * Management Notification Frame 185 */ 186struct ieee80211_mnf { 187 uint8_t mnf_category; 188 uint8_t mnf_action; 189 uint8_t mnf_dialog; 190 uint8_t mnf_status; 191}; 192 193/* 194 * Control frames. 195 */ 196struct ieee80211_frame_min { 197 uint8_t i_fc[2]; 198 uint8_t i_dur[2]; 199 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 200 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 201 /* FCS */ 202}; 203 204struct ieee80211_frame_rts { 205 uint8_t i_fc[2]; 206 uint8_t i_dur[2]; 207 uint8_t i_ra[IEEE80211_ADDR_LEN]; 208 uint8_t i_ta[IEEE80211_ADDR_LEN]; 209 /* FCS */ 210}; 211 212struct ieee80211_frame_cts { 213 uint8_t i_fc[2]; 214 uint8_t i_dur[2]; 215 uint8_t i_ra[IEEE80211_ADDR_LEN]; 216 /* FCS */ 217}; 218 219struct ieee80211_frame_ack { 220 uint8_t i_fc[2]; 221 uint8_t i_dur[2]; 222 uint8_t i_ra[IEEE80211_ADDR_LEN]; 223 /* FCS */ 224}; 225 226struct ieee80211_frame_pspoll { 227 uint8_t i_fc[2]; 228 uint8_t i_aid[2]; 229 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 230 uint8_t i_ta[IEEE80211_ADDR_LEN]; 231 /* FCS */ 232}; 233 234struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 235 uint8_t i_fc[2]; 236 uint8_t i_dur[2]; /* should be zero */ 237 uint8_t i_ra[IEEE80211_ADDR_LEN]; 238 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 239 /* FCS */ 240}; 241 242struct ieee80211_frame_bar { 243 uint8_t i_fc[2]; 244 uint8_t i_dur[2]; 245 uint8_t i_ra[IEEE80211_ADDR_LEN]; 246 uint8_t i_ta[IEEE80211_ADDR_LEN]; 247 uint16_t i_ctl; 248 uint16_t i_seq; 249 /* FCS */ 250}; 251 252struct ieee80211_tim_ie { 253 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 254 uint8_t tim_len; 255 uint8_t tim_count; /* DTIM count */ 256 uint8_t tim_period; /* DTIM period */ 257 uint8_t tim_bitctl; /* bitmap control */ 258 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 259}; 260 261/* 262 * 802.11i/WPA information element (maximally sized). 263 */ 264struct ieee80211_ie_wpa { 265 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 266 uint8_t wpa_len; /* length in bytes */ 267 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 268 uint8_t wpa_type; /* OUI type */ 269 uint16_t wpa_version; /* spec revision */ 270 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 271 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 272 uint32_t wpa_uciphers[8]; /* ciphers */ 273 uint16_t wpa_authselcnt; /* authentication selector cnt */ 274 uint32_t wpa_authsels[8]; /* selectors */ 275 uint16_t wpa_caps; /* 802.11i capabilities */ 276 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 277 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 278}; 279 280/* 281 * WME AC parameter field 282 */ 283struct ieee80211_wme_acparams { 284 uint8_t acp_aci_aifsn; 285 uint8_t acp_logcwminmax; 286 uint16_t acp_txop; 287}; 288 289/* 290 * WME Parameter Element 291 */ 292struct ieee80211_wme_param { 293 uint8_t wme_id; 294 uint8_t wme_len; 295 uint8_t wme_oui[3]; 296 uint8_t wme_oui_type; 297 uint8_t wme_oui_sybtype; 298 uint8_t wme_version; 299 uint8_t wme_qosInfo; 300#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 301 uint8_t wme_reserved; 302 struct ieee80211_wme_acparams wme_acParams[WME_NUM_AC]; 303}; 304 305/* 306 * WME/802.11e information element. 307 */ 308struct ieee80211_wme_info { 309 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 310 uint8_t wme_len; /* length in bytes */ 311 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 312 uint8_t wme_type; /* OUI type */ 313 uint8_t wme_subtype; /* OUI subtype */ 314 uint8_t wme_version; /* spec revision */ 315 uint8_t wme_info; /* QoS info */ 316}; 317 318/* 319 * WME/802.11e Tspec Element 320 */ 321struct ieee80211_wme_tspec { 322 uint8_t ts_id; 323 uint8_t ts_len; 324 uint8_t ts_oui[3]; 325 uint8_t ts_oui_type; 326 uint8_t ts_oui_subtype; 327 uint8_t ts_version; 328 uint8_t ts_tsinfo[3]; 329 uint8_t ts_nom_msdu[2]; 330 uint8_t ts_max_msdu[2]; 331 uint8_t ts_min_svc[4]; 332 uint8_t ts_max_svc[4]; 333 uint8_t ts_inactv_intv[4]; 334 uint8_t ts_susp_intv[4]; 335 uint8_t ts_start_svc[4]; 336 uint8_t ts_min_rate[4]; 337 uint8_t ts_mean_rate[4]; 338 uint8_t ts_max_burst[4]; 339 uint8_t ts_min_phy[4]; 340 uint8_t ts_peak_rate[4]; 341 uint8_t ts_delay[4]; 342 uint8_t ts_surplus[2]; 343 uint8_t ts_medium_time[2]; 344}; 345 346/* 347 * 802.11n Management Action Frames 348 */ 349/* generic frame format */ 350struct ieee80211_action { 351 uint8_t ia_category; 352 uint8_t ia_action; 353}; 354 355/* HT - recommended transmission channel width */ 356struct ieee80211_action_ht_txchwidth { 357 struct ieee80211_action at_header; 358 uint8_t at_chwidth; 359}; 360 361struct ieee80211_action_ht_mimopowersave { 362 struct ieee80211_action am_header; 363 uint8_t am_control; 364}; 365 366/* BA - ADDBA request */ 367struct ieee80211_action_ba_addbarequest { 368 struct ieee80211_action rq_header; 369 uint8_t rq_dialogtoken; 370 uint16_t rq_baparamset; 371 uint16_t rq_batimeout; /* in TUs */ 372 uint16_t rq_baseqctl; 373}; 374 375/* BA - ADDBA response */ 376struct ieee80211_action_ba_addbaresponse { 377 struct ieee80211_action rs_header; 378 uint8_t rs_dialogtoken; 379 uint16_t rs_statuscode; 380 uint16_t rs_baparamset; 381 uint16_t rs_batimeout; /* in TUs */ 382}; 383 384/* BA - DELBA */ 385struct ieee80211_action_ba_delba { 386 struct ieee80211_action dl_header; 387 uint16_t dl_baparamset; 388 uint16_t dl_reasoncode; 389}; 390 391struct ieee80211_ba_request { 392 uint16_t rq_barctl; 393 uint16_t rq_barseqctl; 394}; 395 396/* 397 * 802.11n HT Capability IE 398 * NB: these reflect D1.10 399 */ 400struct ieee80211_ie_htcap { 401 uint8_t hc_id; /* element ID */ 402 uint8_t hc_len; /* length in bytes */ 403 uint16_t hc_cap; /* HT caps (see below) */ 404 uint8_t hc_param; /* HT params (see below) */ 405 uint8_t hc_mcsset[16]; /* supported MCS set */ 406 uint16_t hc_extcap; /* extended HT capabilities */ 407 uint32_t hc_txbf; /* txbf capabilities */ 408 uint8_t hc_antenna; /* antenna capabilities */ 409}; 410 411/* 412 * 802.11n HT Information IE 413 */ 414struct ieee80211_ie_htinfo { 415 uint8_t hi_id; /* element ID */ 416 uint8_t hi_len; /* length in bytes */ 417 uint8_t hi_ctrlchannel; /* primary channel */ 418 uint8_t hi_byte1; /* ht ie byte 1 */ 419 uint8_t hi_byte2; /* ht ie byte 2 */ 420 uint8_t hi_byte3; /* ht ie byte 3 */ 421 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 422 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 423}; 424#pragma pack() 425 426#define IEEE80211_FC0_VERSION_MASK 0x03 427#define IEEE80211_FC0_VERSION_SHIFT 0 428#define IEEE80211_FC0_VERSION_0 0x00 429#define IEEE80211_FC0_TYPE_MASK 0x0c 430#define IEEE80211_FC0_TYPE_SHIFT 2 431#define IEEE80211_FC0_TYPE_MGT 0x00 432#define IEEE80211_FC0_TYPE_CTL 0x04 433#define IEEE80211_FC0_TYPE_DATA 0x08 434#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 435#define IEEE80211_FC0_SUBTYPE_SHIFT 4 436/* for TYPE_MGT */ 437#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 438#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 439#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 440#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 441#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 442#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 443#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 444#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 445#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 446#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 447#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 448#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 449/* for TYPE_CTL */ 450#define IEEE80211_FC0_SUBTYPE_BAR 0x80 451#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 452#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 453#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 454#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 455#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 456#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 457/* for TYPE_DATA (bit combination) */ 458#define IEEE80211_FC0_SUBTYPE_DATA 0x00 459#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 460#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 461#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 462#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 463#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 464#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 465#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 466#define IEEE80211_FC0_SUBTYPE_QOS 0x80 467#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 468 469#define IEEE80211_FC1_DIR_MASK 0x03 470#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 471#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 472#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 473#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 474 475#define IEEE80211_FC1_MORE_FRAG 0x04 476#define IEEE80211_FC1_RETRY 0x08 477#define IEEE80211_FC1_PWR_MGT 0x10 478#define IEEE80211_FC1_MORE_DATA 0x20 479#define IEEE80211_FC1_WEP 0x40 480#define IEEE80211_FC1_ORDER 0x80 481 482#define IEEE80211_SEQ_FRAG_MASK 0x000f 483#define IEEE80211_SEQ_FRAG_SHIFT 0 484#define IEEE80211_SEQ_SEQ_MASK 0xfff0 485#define IEEE80211_SEQ_SEQ_SHIFT 4 /* 4bit frag number */ 486#define IEEE80211_SEQ_RANGE 4096 487 488#define IEEE80211_SEQ_ADD(seq, incr) \ 489 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE - 1)) 490#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq, 1) 491#define IEEE80211_SEQ_SUB(a, b) \ 492 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE - 1)) 493 494#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 495#define IEEE80211_SEQ_BA_BEFORE(a, b) \ 496 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 497 498/* Length of management frame variable-length components in bytes */ 499#define IEEE80211_NWID_LEN 32 /* SSID */ 500#define IEEE80211_FH_LEN 5 /* FH parameters */ 501#define IEEE80211_DS_LEN 1 /* DS parameters */ 502#define IEEE80211_IBSS_LEN 4 /* IBSS parameters */ 503#define IEEE80211_ERP_LEN 1 /* ERP information */ 504 505#define IEEE80211_QOS_TXOP 0x00ff 506/* bit 8 is reserved */ 507#define IEEE80211_QOS_AMSDU 0x80 508#define IEEE80211_QOS_AMSDU_S 7 509#define IEEE80211_QOS_ACKPOLICY 0x60 510#define IEEE80211_QOS_ACKPOLICY_S 5 511#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 512#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 513#define IEEE80211_QOS_ESOP 0x10 514#define IEEE80211_QOS_ESOP_S 4 515#define IEEE80211_QOS_TID 0x0f 516 517/* does frame have QoS sequence control data */ 518#define IEEE80211_QOS_HAS_SEQ(wh) \ 519 (((wh)->i_fc[0] & \ 520 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 521 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 522 523#define WME_NUM_AC 4 /* 4 AC categories */ 524#define WME_NUM_TID 16 /* 16 tids */ 525 526#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 527#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 528#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 529#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 530#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 531#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 532#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 533#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 534#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 535#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 536 537#define WME_AC_TO_TID(_ac) ( \ 538 ((_ac) == WME_AC_VO) ? 6 : \ 539 ((_ac) == WME_AC_VI) ? 5 : \ 540 ((_ac) == WME_AC_BK) ? 1 : \ 541 0) 542 543#define TID_TO_WME_AC(_tid) ( \ 544 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 545 ((_tid) < 3) ? WME_AC_BK : \ 546 ((_tid) < 6) ? WME_AC_VI : \ 547 WME_AC_VO) 548 549#define IEEE80211_MNF_SETUP_REQ 0 550#define IEEE80211_MNF_SETUP_RESP 1 551#define IEEE80211_MNF_TEARDOWN 2 552 553#define IEEE80211_ACTION_CAT_QOS 0 /* QoS */ 554#define IEEE80211_ACTION_CAT_BA 3 /* BA */ 555#define IEEE80211_ACTION_CAT_HT 7 /* HT */ 556 557#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommend xmit chan width */ 558#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 559 560#define IEEE80211_A_HT_TXCHWIDTH_20 0 561#define IEEE80211_A_HT_TXCHWIDTH_2040 1 562 563#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 564#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 565#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 566#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 567#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 568/* bits 2-7 reserved */ 569 570/* Block Ack actions */ 571#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 572#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 573#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 574 575/* Block Ack Parameter Set */ 576#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 577#define IEEE80211_BAPS_BUFSIZ_S 6 578#define IEEE80211_BAPS_TID 0x003c /* TID */ 579#define IEEE80211_BAPS_TID_S 2 580#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 581#define IEEE80211_BAPS_POLICY_S 1 582 583#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 584#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 585 586/* Block Ack Sequence Control */ 587#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 588#define IEEE80211_BASEQ_START_S 4 589#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 590#define IEEE80211_BASEQ_FRAG_S 0 591 592/* Delayed Block Ack Parameter Set */ 593#define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 594#define IEEE80211_DELBAPS_TID_S 12 595#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 596#define IEEE80211_DELBAPS_INIT_S 11 597 598/* BAR Control */ 599#define IEEE80211_BAR_TID 0xf000 /* TID */ 600#define IEEE80211_BAR_TID_S 12 601#define IEEE80211_BAR_COMP 0x0004 /* compressed */ 602#define IEEE80211_BAR_MTID 0x0002 603#define IEEE80211_BAR_NOACK 0x0001 /* no-ack policy */ 604 605/* HT capability flags (ht_cap) */ 606#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 607#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 608#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 609#define IEEE80211_HTCAP_SMPS_OFF 0x0000 /* none (static mode) */ 610#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 611/* NB: SMPS value 2 is reserved */ 612#define IEEE80211_HTCAP_SMPS_ENA 0x000c /* enabled */ 613#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 614#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 615#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 616#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 617#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 618#define IEEE80211_HTCAP_RXSTBC_S 8 619#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 620#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams */ 621#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams */ 622#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 623#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 624#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 625#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 626#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 627#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 628#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 629#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 630 631/* HT parameters (hc_param) */ 632#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 633#define IEEE80211_HTCAP_MAXRXAMPDU_S 0 634#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 635#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 636#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 637#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 638#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 639#define IEEE80211_HTCAP_MPDUDENSITY_S 2 640#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 641#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 642#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 643#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 644#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 645#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 646#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 647#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 648 649/* HT extended capabilities (hc_extcap) */ 650#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 651#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 652#define IEEE80211_HTCAP_PCOTRANS_S 1 653#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 654#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 655#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 656/* bits 3-7 reserved */ 657#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 658#define IEEE80211_HTCAP_MCSFBACK_S 8 659#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 660#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 661#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 662#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 663#define IEEE80211_HTCAP_RDR 0x0800 664 /* reverse direction responder */ 665/* bits 12-15 reserved */ 666 667/* byte1 */ 668#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 669#define IEEE80211_HTINFO_2NDCHAN_S 0 670#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 671#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 672/* NB: 2 is reserved */ 673#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 674#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 675#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 676#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 677#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 678#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 679#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 680#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 681#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 682#define IEEE80211_HTINFO_SIGRAN_S 5 683#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 684/* XXX add rest */ 685 686/* bytes 2+3 */ 687#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 688#define IEEE80211_HTINFO_OPMODE_S 0 689#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 690#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 691#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 692#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta */ 693#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 694#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 695#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 696/* bits 5-15 reserved */ 697 698/* bytes 4+5 */ 699#define IEEE80211_HTINFO_2NDARYBEACON 0x01 700#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 701#define IEEE80211_HTINFO_PCO_ACTIVE 0x04 702#define IEEE80211_HTINFO_40MHZPHASE 0x08 703 704/* byte5 */ 705#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 706#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 707#define IEEE80211_HTINFO_DUALPROTECTED 0x80 708 709/* 710 * Length of management frame information elements containing 711 * a variable-length component is: 712 * element_id(1 byte) + length(1 byte) + component(variable bytes) 713 */ 714#define IEEE80211_ELEM_LEN(complen) (2 + (complen)) 715 716/* 717 * minimal length of beacon/probe response frame elements 718 * time stamp[8] + beacon interval[2] + capability[2] 719 */ 720#define IEEE80211_BEACON_ELEM_MIN 12 721/* 722 * Minimal length of authentication frame elements 723 * algorithm[2] + sequence[2] + status[2] 724 */ 725#define IEEE80211_AUTH_ELEM_MIN 6 726/* 727 * Minimal length of association response frame elements 728 * capability[2] + status[2] + association ID[2] 729 */ 730#define IEEE80211_ASSOC_RESP_ELEM_MIN 6 731 732#define IEEE80211_CAPINFO_ESS 0x0001 733#define IEEE80211_CAPINFO_IBSS 0x0002 734#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 735#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 736#define IEEE80211_CAPINFO_PRIVACY 0x0010 737#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 738#define IEEE80211_CAPINFO_PBCC 0x0040 739#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 740#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 741/* bits 8-9 are reserved */ 742#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 743#define IEEE80211_CAPINFO_RSN 0x0800 744/* bit 12 is reserved */ 745#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 746/* bits 14-15 are reserved */ 747 748/* 749 * Management information element payloads. 750 */ 751 752enum { 753 IEEE80211_ELEMID_SSID = 0, 754 IEEE80211_ELEMID_RATES = 1, 755 IEEE80211_ELEMID_FHPARMS = 2, 756 IEEE80211_ELEMID_DSPARMS = 3, 757 IEEE80211_ELEMID_CFPARMS = 4, 758 IEEE80211_ELEMID_TIM = 5, 759 IEEE80211_ELEMID_IBSSPARMS = 6, 760 IEEE80211_ELEMID_COUNTRY = 7, 761 IEEE80211_ELEMID_CHALLENGE = 16, 762 /* 17-31 reserved for challenge text extension */ 763 IEEE80211_ELEMID_PWRCNSTR = 32, 764 IEEE80211_ELEMID_PWRCAP = 33, 765 IEEE80211_ELEMID_TPCREQ = 34, 766 IEEE80211_ELEMID_TPCREP = 35, 767 IEEE80211_ELEMID_SUPPCHAN = 36, 768 IEEE80211_ELEMID_CHANSWITCHANN = 37, 769 IEEE80211_ELEMID_MEASREQ = 38, 770 IEEE80211_ELEMID_MEASREP = 39, 771 IEEE80211_ELEMID_QUIET = 40, 772 IEEE80211_ELEMID_IBSSDFS = 41, 773 IEEE80211_ELEMID_ERP = 42, 774 IEEE80211_ELEMID_HTCAP = 45, 775 IEEE80211_ELEMID_RSN = 48, 776 IEEE80211_ELEMID_XRATES = 50, 777 IEEE80211_ELEMID_HTINFO = 61, 778 /* 128-129 proprietary elements used by Agere chipsets */ 779 IEEE80211_ELEMID_AGERE1 = 128, 780 IEEE80211_ELEMID_AGERE2 = 129, 781 IEEE80211_ELEMID_TPC = 150, 782 IEEE80211_ELEMID_CCKM = 156, 783 IEEE80211_ELEMID_VENDOR = 221 /* vendor private */ 784}; 785 786#define BCM_OUI 0x4c9000 /* Broadcom OUI */ 787#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 788#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 789 790#define WPA_OUI 0xf25000 791#define WPA_OUI_TYPE 0x01 792#define WPA_VERSION 1 /* current supported version */ 793 794#define IEEE80211_CHALLENGE_LEN 128 795 796#define IEEE80211_RATE_BASIC 0x80 797#define IEEE80211_RATE_VAL 0x7f 798 799/* EPR information element flags */ 800#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 801#define IEEE80211_ERP_USE_PROTECTION 0x02 802#define IEEE80211_ERP_LONG_PREAMBLE 0x04 803 804#define IEEE80211_AUTH_ALG_OPEN 0x0000 805#define IEEE80211_AUTH_ALG_SHARED 0x0001 806#define IEEE80211_AUTH_ALG_LEAP 0x0080 807 808 809enum { 810 IEEE80211_AUTH_OPEN_REQUEST = 1, 811 IEEE80211_AUTH_OPEN_RESPONSE = 2 812}; 813 814enum { 815 IEEE80211_AUTH_SHARED_REQUEST = 1, 816 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 817 IEEE80211_AUTH_SHARED_RESPONSE = 3, 818 IEEE80211_AUTH_SHARED_PASS = 4 819}; 820 821/* 822 * Reason codes 823 * 824 * Unlisted codes are reserved 825 */ 826enum { 827 IEEE80211_REASON_UNSPECIFIED = 1, 828 IEEE80211_REASON_AUTH_EXPIRE = 2, 829 IEEE80211_REASON_AUTH_LEAVE = 3, 830 IEEE80211_REASON_ASSOC_EXPIRE = 4, 831 IEEE80211_REASON_ASSOC_TOOMANY = 5, 832 IEEE80211_REASON_NOT_AUTHED = 6, 833 IEEE80211_REASON_NOT_ASSOCED = 7, 834 IEEE80211_REASON_ASSOC_LEAVE = 8, 835 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 836 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 837 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 838 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 839 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 840 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 841 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 842 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 843 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 844 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID = 19, /* 11i */ 845 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 846 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 847 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 848 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 849 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24 /* 11i */ 850}; 851 852/* 853 * Status codes 854 * 855 * Unlisted codes are reserved and unused 856 */ 857enum { 858 IEEE80211_STATUS_SUCCESS = 0, 859 IEEE80211_STATUS_UNSPECIFIED = 1, 860 IEEE80211_STATUS_CAPINFO = 10, 861 IEEE80211_STATUS_NOT_ASSOCED = 11, 862 IEEE80211_STATUS_OTHER = 12, 863 IEEE80211_STATUS_ALG = 13, 864 IEEE80211_STATUS_SEQUENCE = 14, 865 IEEE80211_STATUS_CHALLENGE = 15, 866 IEEE80211_STATUS_TIMEOUT = 16, 867 IEEE80211_STATUS_TOOMANY = 17, 868 IEEE80211_STATUS_BASIC_RATE = 18, 869 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 870 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 871 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 872 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 873 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 874 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 875 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 876 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 877 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 878 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 879 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 880 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 881 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 882 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 883 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46 /* 11i */ 884}; 885 886#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 887#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 888#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 889#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 890#define IEEE80211_WEP_NKID 4 /* number of key ids */ 891 892/* 893 * 802.11i defines an extended IV for use with non-WEP ciphers. 894 * When the EXTIV bit is set in the key id byte an additional 895 * 4 bytes immediately follow the IV for TKIP. For CCMP the 896 * EXTIV bit is likewise set but the 8 bytes represent the 897 * CCMP header rather than IV+extended-IV. 898 */ 899#define IEEE80211_WEP_EXTIV 0x20 900#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 901#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 902 903#define IEEE80211_CRC_LEN 4 904 905/* 906 * Maximum acceptable MTU is defined by 802.11 907 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. 908 */ 909#define IEEE80211_MTU_MAX 2304 910#define IEEE80211_MTU_MIN 32 911#define IEEE80211_MTU 1500 912 913#define IEEE80211_MAX_LEN \ 914 (sizeof (struct ieee80211_frame_addr4) + \ 915 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN) + \ 916 IEEE80211_MTU_MAX + IEEE80211_CRC_LEN) 917#define IEEE80211_ACK_LEN \ 918 (sizeof (struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 919#define IEEE80211_MIN_LEN \ 920 (sizeof (struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 921 922/* 923 * The 802.11 spec says at most 2007 stations may be 924 * associated at once. For most AP's this is way more 925 * than is feasible so we use a default of 128. This 926 * number may be overridden by the driver and/or by 927 * user configuration. 928 */ 929#define IEEE80211_AID_MAX 2007 930#define IEEE80211_AID_DEF 128 931 932#define IEEE80211_AID(b) ((b) &~ 0xc000) 933 934/* 935 * RTS frame length parameters. The default is specified in 936 * the 802.11 spec as 512; we treat it as implementation-dependent 937 * so it's defined in ieee80211_var.h. The max may be wrong 938 * for jumbo frames. 939 */ 940#define IEEE80211_RTS_MIN 1 941#define IEEE80211_RTS_MAX 2346 942 943/* 944 * TX fragmentation parameters. As above for RTS, we treat 945 * default as implementation-dependent so define it elsewhere. 946 */ 947#define IEEE80211_FRAG_MIN 256 948#define IEEE80211_FRAG_MAX 2346 949 950/* flags for ieee80211_fix_rate() */ 951#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 952#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */ 953#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 954#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 955#define IEEE80211_F_DOBRS 0x00000010 /* check basic rate set */ 956#define IEEE80211_F_JOIN 0x00000020 /* sta joining our bss */ 957 958/* 959 * Beacon frames constructed by ieee80211_beacon_alloc 960 * have the following structure filled in so drivers 961 * can update the frame later w/ minimal overhead. 962 */ 963struct ieee80211_beacon_offsets { 964 uint16_t *bo_caps; /* capabilities */ 965 uint8_t *bo_tim; /* start of atim/dtim */ 966 uint8_t *bo_wme; /* start of WME parameters */ 967 uint8_t *bo_trailer; /* start of fixed-size trailer */ 968 uint16_t bo_tim_len; /* atim/dtim length in bytes */ 969 uint16_t bo_trailer_len; /* trailer length in bytes */ 970 uint8_t *bo_erp; /* start of ERP element */ 971 uint8_t *bo_htinfo; /* start of HT info element */ 972}; 973 974#ifdef __cplusplus 975} 976#endif 977 978#endif /* _SYS_NET80211_PROTO_H */ 979