ieee80211_freebsd.h revision 254527
1/*- 2 * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD: head/sys/net80211/ieee80211_freebsd.h 254527 2013-08-19 14:25:11Z andre $ 26 */ 27#ifndef _NET80211_IEEE80211_FREEBSD_H_ 28#define _NET80211_IEEE80211_FREEBSD_H_ 29 30#ifdef _KERNEL 31#include <sys/param.h> 32#include <sys/lock.h> 33#include <sys/mutex.h> 34#include <sys/rwlock.h> 35#include <sys/sysctl.h> 36#include <sys/taskqueue.h> 37 38/* 39 * Common state locking definitions. 40 */ 41typedef struct { 42 char name[16]; /* e.g. "ath0_com_lock" */ 43 struct mtx mtx; 44} ieee80211_com_lock_t; 45#define IEEE80211_LOCK_INIT(_ic, _name) do { \ 46 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 47 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 48 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 49} while (0) 50#define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 51#define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 52#define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 53#define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 54#define IEEE80211_LOCK_ASSERT(_ic) \ 55 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 56#define IEEE80211_UNLOCK_ASSERT(_ic) \ 57 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) 58 59/* 60 * Transmit lock. 61 * 62 * This is a (mostly) temporary lock designed to serialise all of the 63 * transmission operations throughout the stack. 64 */ 65typedef struct { 66 char name[16]; /* e.g. "ath0_com_lock" */ 67 struct mtx mtx; 68} ieee80211_tx_lock_t; 69#define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \ 70 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \ 71 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \ 72 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \ 73} while (0) 74#define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx) 75#define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic)) 76#define IEEE80211_TX_LOCK(_ic) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)) 77#define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)) 78#define IEEE80211_TX_LOCK_ASSERT(_ic) \ 79 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED) 80#define IEEE80211_TX_UNLOCK_ASSERT(_ic) \ 81 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED) 82 83/* 84 * Node locking definitions. 85 */ 86typedef struct { 87 char name[16]; /* e.g. "ath0_node_lock" */ 88 struct mtx mtx; 89} ieee80211_node_lock_t; 90#define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 91 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 92 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 93 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 94} while (0) 95#define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 96#define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 97 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 98#define IEEE80211_NODE_LOCK(_nt) \ 99 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 100#define IEEE80211_NODE_IS_LOCKED(_nt) \ 101 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 102#define IEEE80211_NODE_UNLOCK(_nt) \ 103 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 104#define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 105 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 106 107/* 108 * Node table iteration locking definitions; this protects the 109 * scan generation # used to iterate over the station table 110 * while grabbing+releasing the node lock. 111 */ 112typedef struct { 113 char name[16]; /* e.g. "ath0_scan_lock" */ 114 struct mtx mtx; 115} ieee80211_scan_lock_t; 116#define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do { \ 117 ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock; \ 118 snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name); \ 119 mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF); \ 120} while (0) 121#define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt) (&(_nt)->nt_scanlock.mtx) 122#define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \ 123 mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 124#define IEEE80211_NODE_ITERATE_LOCK(_nt) \ 125 mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 126#define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \ 127 mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 128 129/* 130 * Power-save queue definitions. 131 */ 132typedef struct mtx ieee80211_psq_lock_t; 133#define IEEE80211_PSQ_INIT(_psq, _name) \ 134 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 135#define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 136#define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 137#define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 138 139#ifndef IF_PREPEND_LIST 140#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 141 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 142 if ((ifq)->ifq_tail == NULL) \ 143 (ifq)->ifq_tail = (mtail); \ 144 (ifq)->ifq_head = (mhead); \ 145 (ifq)->ifq_len += (mcount); \ 146} while (0) 147#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 148 IF_LOCK(ifq); \ 149 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 150 IF_UNLOCK(ifq); \ 151} while (0) 152#endif /* IF_PREPEND_LIST */ 153 154/* 155 * Age queue definitions. 156 */ 157typedef struct mtx ieee80211_ageq_lock_t; 158#define IEEE80211_AGEQ_INIT(_aq, _name) \ 159 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 160#define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 161#define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 162#define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 163 164/* 165 * 802.1x MAC ACL database locking definitions. 166 */ 167typedef struct mtx acl_lock_t; 168#define ACL_LOCK_INIT(_as, _name) \ 169 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 170#define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 171#define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 172#define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 173#define ACL_LOCK_ASSERT(_as) \ 174 mtx_assert((&(_as)->as_lock), MA_OWNED) 175 176/* 177 * Scan table definitions. 178 */ 179typedef struct mtx ieee80211_scan_table_lock_t; 180#define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 181 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 182#define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 183#define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 184#define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 185 186/* 187 * Node reference counting definitions. 188 * 189 * ieee80211_node_initref initialize the reference count to 1 190 * ieee80211_node_incref add a reference 191 * ieee80211_node_decref remove a reference 192 * ieee80211_node_dectestref remove a reference and return 1 if this 193 * is the last reference, otherwise 0 194 * ieee80211_node_refcnt reference count for printing (only) 195 */ 196#include <machine/atomic.h> 197 198#define ieee80211_node_initref(_ni) \ 199 do { ((_ni)->ni_refcnt = 1); } while (0) 200#define ieee80211_node_incref(_ni) \ 201 atomic_add_int(&(_ni)->ni_refcnt, 1) 202#define ieee80211_node_decref(_ni) \ 203 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 204struct ieee80211_node; 205int ieee80211_node_dectestref(struct ieee80211_node *ni); 206#define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 207 208struct ifqueue; 209struct ieee80211vap; 210void ieee80211_drain_ifq(struct ifqueue *); 211void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 212 213void ieee80211_vap_destroy(struct ieee80211vap *); 214 215#define IFNET_IS_UP_RUNNING(_ifp) \ 216 (((_ifp)->if_flags & IFF_UP) && \ 217 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 218 219#define msecs_to_ticks(ms) (((ms)*hz)/1000) 220#define ticks_to_msecs(t) (1000*(t) / hz) 221#define ticks_to_secs(t) ((t) / hz) 222#define time_after(a,b) ((long)(b) - (long)(a) < 0) 223#define time_before(a,b) time_after(b,a) 224#define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 225#define time_before_eq(a,b) time_after_eq(b,a) 226 227struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 228 229/* tx path usage */ 230#define M_ENCAP M_PROTO1 /* 802.11 encap done */ 231#define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 232#define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 233#define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 234#define M_FF M_PROTO6 /* fast frame */ 235#define M_TXCB M_PROTO7 /* do tx complete callback */ 236#define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 237#define M_FRAG M_PROTO9 /* frame fragmentation */ 238#define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 239#define M_LASTFRAG M_PROTO11 /* last frame fragment */ 240#define M_80211_TX \ 241 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 242 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 243 244/* rx path usage */ 245#define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 246#define M_WEP M_PROTO2 /* WEP done by hardware */ 247#if 0 248#define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 249#endif 250#define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 251 252#define IEEE80211_MBUF_TX_FLAG_BITS \ 253 M_FLAG_BITS \ 254 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 255 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 256 257#define IEEE80211_MBUF_RX_FLAG_BITS \ 258 M_FLAG_BITS \ 259 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 260 261/* 262 * Store WME access control bits in the vlan tag. 263 * This is safe since it's done after the packet is classified 264 * (where we use any previous tag) and because it's passed 265 * directly in to the driver and there's no chance someone 266 * else will clobber them on us. 267 */ 268#define M_WME_SETAC(m, ac) \ 269 ((m)->m_pkthdr.ether_vtag = (ac)) 270#define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 271 272/* 273 * Mbufs on the power save queue are tagged with an age and 274 * timed out. We reuse the hardware checksum field in the 275 * mbuf packet header to store this data. 276 */ 277#define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 278#define M_AGE_GET(m) (m->m_pkthdr.csum_data) 279#define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 280 281/* 282 * Store the sequence number. 283 */ 284#define M_SEQNO_SET(m, seqno) \ 285 ((m)->m_pkthdr.tso_segsz = (seqno)) 286#define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 287 288#define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 289 290struct ieee80211_cb { 291 void (*func)(struct ieee80211_node *, void *, int status); 292 void *arg; 293}; 294#define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 295int ieee80211_add_callback(struct mbuf *m, 296 void (*func)(struct ieee80211_node *, void *, int), void *arg); 297void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 298 299struct ieee80211com; 300int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 301int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 302 303void get_random_bytes(void *, size_t); 304 305void ieee80211_sysctl_attach(struct ieee80211com *); 306void ieee80211_sysctl_detach(struct ieee80211com *); 307void ieee80211_sysctl_vattach(struct ieee80211vap *); 308void ieee80211_sysctl_vdetach(struct ieee80211vap *); 309 310SYSCTL_DECL(_net_wlan); 311int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 312 313void ieee80211_load_module(const char *); 314 315/* 316 * A "policy module" is an adjunct module to net80211 that provides 317 * functionality that typically includes policy decisions. This 318 * modularity enables extensibility and vendor-supplied functionality. 319 */ 320#define _IEEE80211_POLICY_MODULE(policy, name, version) \ 321typedef void (*policy##_setup)(int); \ 322SET_DECLARE(policy##_set, policy##_setup); \ 323static int \ 324wlan_##name##_modevent(module_t mod, int type, void *unused) \ 325{ \ 326 policy##_setup * const *iter, f; \ 327 switch (type) { \ 328 case MOD_LOAD: \ 329 SET_FOREACH(iter, policy##_set) { \ 330 f = (void*) *iter; \ 331 f(type); \ 332 } \ 333 return 0; \ 334 case MOD_UNLOAD: \ 335 case MOD_QUIESCE: \ 336 if (nrefs) { \ 337 printf("wlan_##name: still in use (%u dynamic refs)\n",\ 338 nrefs); \ 339 return EBUSY; \ 340 } \ 341 if (type == MOD_UNLOAD) { \ 342 SET_FOREACH(iter, policy##_set) { \ 343 f = (void*) *iter; \ 344 f(type); \ 345 } \ 346 } \ 347 return 0; \ 348 } \ 349 return EINVAL; \ 350} \ 351static moduledata_t name##_mod = { \ 352 "wlan_" #name, \ 353 wlan_##name##_modevent, \ 354 0 \ 355}; \ 356DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 357MODULE_VERSION(wlan_##name, version); \ 358MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 359 360/* 361 * Crypto modules implement cipher support. 362 */ 363#define IEEE80211_CRYPTO_MODULE(name, version) \ 364_IEEE80211_POLICY_MODULE(crypto, name, version); \ 365static void \ 366name##_modevent(int type) \ 367{ \ 368 if (type == MOD_LOAD) \ 369 ieee80211_crypto_register(&name); \ 370 else \ 371 ieee80211_crypto_unregister(&name); \ 372} \ 373TEXT_SET(crypto##_set, name##_modevent) 374 375/* 376 * Scanner modules provide scanning policy. 377 */ 378#define IEEE80211_SCANNER_MODULE(name, version) \ 379 _IEEE80211_POLICY_MODULE(scanner, name, version) 380 381#define IEEE80211_SCANNER_ALG(name, alg, v) \ 382static void \ 383name##_modevent(int type) \ 384{ \ 385 if (type == MOD_LOAD) \ 386 ieee80211_scanner_register(alg, &v); \ 387 else \ 388 ieee80211_scanner_unregister(alg, &v); \ 389} \ 390TEXT_SET(scanner_set, name##_modevent); \ 391 392/* 393 * ACL modules implement acl policy. 394 */ 395#define IEEE80211_ACL_MODULE(name, alg, version) \ 396_IEEE80211_POLICY_MODULE(acl, name, version); \ 397static void \ 398alg##_modevent(int type) \ 399{ \ 400 if (type == MOD_LOAD) \ 401 ieee80211_aclator_register(&alg); \ 402 else \ 403 ieee80211_aclator_unregister(&alg); \ 404} \ 405TEXT_SET(acl_set, alg##_modevent); \ 406 407/* 408 * Authenticator modules handle 802.1x/WPA authentication. 409 */ 410#define IEEE80211_AUTH_MODULE(name, version) \ 411 _IEEE80211_POLICY_MODULE(auth, name, version) 412 413#define IEEE80211_AUTH_ALG(name, alg, v) \ 414static void \ 415name##_modevent(int type) \ 416{ \ 417 if (type == MOD_LOAD) \ 418 ieee80211_authenticator_register(alg, &v); \ 419 else \ 420 ieee80211_authenticator_unregister(alg); \ 421} \ 422TEXT_SET(auth_set, name##_modevent) 423 424/* 425 * Rate control modules provide tx rate control support. 426 */ 427#define IEEE80211_RATECTL_MODULE(alg, version) \ 428 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 429 430#define IEEE80211_RATECTL_ALG(name, alg, v) \ 431static void \ 432alg##_modevent(int type) \ 433{ \ 434 if (type == MOD_LOAD) \ 435 ieee80211_ratectl_register(alg, &v); \ 436 else \ 437 ieee80211_ratectl_unregister(alg); \ 438} \ 439TEXT_SET(ratectl##_set, alg##_modevent) 440 441struct ieee80211req; 442typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 443 struct ieee80211req *); 444SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 445#define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 446 447typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 448 struct ieee80211req *); 449SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 450#define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 451#endif /* _KERNEL */ 452 453/* XXX this stuff belongs elsewhere */ 454/* 455 * Message formats for messages from the net80211 layer to user 456 * applications via the routing socket. These messages are appended 457 * to an if_announcemsghdr structure. 458 */ 459struct ieee80211_join_event { 460 uint8_t iev_addr[6]; 461}; 462 463struct ieee80211_leave_event { 464 uint8_t iev_addr[6]; 465}; 466 467struct ieee80211_replay_event { 468 uint8_t iev_src[6]; /* src MAC */ 469 uint8_t iev_dst[6]; /* dst MAC */ 470 uint8_t iev_cipher; /* cipher type */ 471 uint8_t iev_keyix; /* key id/index */ 472 uint64_t iev_keyrsc; /* RSC from key */ 473 uint64_t iev_rsc; /* RSC from frame */ 474}; 475 476struct ieee80211_michael_event { 477 uint8_t iev_src[6]; /* src MAC */ 478 uint8_t iev_dst[6]; /* dst MAC */ 479 uint8_t iev_cipher; /* cipher type */ 480 uint8_t iev_keyix; /* key id/index */ 481}; 482 483struct ieee80211_wds_event { 484 uint8_t iev_addr[6]; 485}; 486 487struct ieee80211_csa_event { 488 uint32_t iev_flags; /* channel flags */ 489 uint16_t iev_freq; /* setting in Mhz */ 490 uint8_t iev_ieee; /* IEEE channel number */ 491 uint8_t iev_mode; /* CSA mode */ 492 uint8_t iev_count; /* CSA count */ 493}; 494 495struct ieee80211_cac_event { 496 uint32_t iev_flags; /* channel flags */ 497 uint16_t iev_freq; /* setting in Mhz */ 498 uint8_t iev_ieee; /* IEEE channel number */ 499 /* XXX timestamp? */ 500 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 501}; 502 503struct ieee80211_radar_event { 504 uint32_t iev_flags; /* channel flags */ 505 uint16_t iev_freq; /* setting in Mhz */ 506 uint8_t iev_ieee; /* IEEE channel number */ 507 /* XXX timestamp? */ 508}; 509 510struct ieee80211_auth_event { 511 uint8_t iev_addr[6]; 512}; 513 514struct ieee80211_deauth_event { 515 uint8_t iev_addr[6]; 516}; 517 518struct ieee80211_country_event { 519 uint8_t iev_addr[6]; 520 uint8_t iev_cc[2]; /* ISO country code */ 521}; 522 523struct ieee80211_radio_event { 524 uint8_t iev_state; /* 1 on, 0 off */ 525}; 526 527#define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 528#define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 529#define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 530#define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 531#define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 532#define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 533#define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 534#define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 535#define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 536#define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 537#define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 538#define RTM_IEEE80211_RADAR 111 /* radar event */ 539#define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 540#define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 541#define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 542#define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 543#define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 544 545/* 546 * Structure prepended to raw packets sent through the bpf 547 * interface when set to DLT_IEEE802_11_RADIO. This allows 548 * user applications to specify pretty much everything in 549 * an Atheros tx descriptor. XXX need to generalize. 550 * 551 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 552 * XXX sa_data area. 553 */ 554struct ieee80211_bpf_params { 555 uint8_t ibp_vers; /* version */ 556#define IEEE80211_BPF_VERSION 0 557 uint8_t ibp_len; /* header length in bytes */ 558 uint8_t ibp_flags; 559#define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 560#define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 561#define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 562#define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 563#define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 564#define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 565#define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 566 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 567 uint8_t ibp_try0; /* series 1 try count */ 568 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 569 uint8_t ibp_power; /* tx power (device units) */ 570 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 571 uint8_t ibp_try1; /* series 2 try count */ 572 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 573 uint8_t ibp_try2; /* series 3 try count */ 574 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 575 uint8_t ibp_try3; /* series 4 try count */ 576 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 577}; 578#endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 579