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 * $FreeBSD$ 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 */ 41 typedef 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 */ 65 typedef 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 */ 86 typedef 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 */ 112 typedef 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 */ 132 typedef 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 */ 157 typedef 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 */ 167 typedef 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 */ 179 typedef 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) 204 struct ieee80211_node; 205 int ieee80211_node_dectestref(struct ieee80211_node *ni); 206 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 207 208 struct ifqueue; 209 struct ieee80211vap; 210 void ieee80211_drain_ifq(struct ifqueue *); 211 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 212 213 void 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) 226 227 struct 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 */ 237 238 /* 239 * FreeBSD-HEAD from 1000046 retired M_*FRAG* flags and turned them 240 * into header flags instead. So, we use the new protocol-specific 241 * flags. 242 * 243 * Earlier FreeBSD versions overload M_FRAG, M_FIRSTFRAG and M_LASTFRAG. 244 * 245 * XXX TODO: rename these fields so there are no namespace clashes! 246 */ 247 #if __FreeBSD_version >= 1000046 248 #define M_FRAG M_PROTO9 /* frame fragmentation */ 249 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 250 #define M_LASTFRAG M_PROTO11 /* last frame fragment */ 251 #endif 252 253 #define M_80211_TX \ 254 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 255 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 256 257 /* rx path usage */ 258 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 259 #define M_WEP M_PROTO2 /* WEP done by hardware */ 260 #if 0 261 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 262 #endif 263 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 264 265 #if __FreeBSD_version >= 1000046 266 #define IEEE80211_MBUF_TX_FLAG_BITS \ 267 M_FLAG_BITS \ 268 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 269 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 270 #else 271 /* There aren't any flag bits available for versions before this */ 272 /* XXX TODO: implement M_FLAG_BITS for this! */ 273 #define IEEE80211_MBUF_TX_FLAG_BITS \ 274 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 275 "\24M_AMPDU_MPDU" 276 #endif 277 278 #define IEEE80211_MBUF_RX_FLAG_BITS \ 279 M_FLAG_BITS \ 280 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 281 282 /* 283 * Store WME access control bits in the vlan tag. 284 * This is safe since it's done after the packet is classified 285 * (where we use any previous tag) and because it's passed 286 * directly in to the driver and there's no chance someone 287 * else will clobber them on us. 288 */ 289 #define M_WME_SETAC(m, ac) \ 290 ((m)->m_pkthdr.ether_vtag = (ac)) 291 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 292 293 /* 294 * Mbufs on the power save queue are tagged with an age and 295 * timed out. We reuse the hardware checksum field in the 296 * mbuf packet header to store this data. 297 */ 298 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 299 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 300 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 301 302 /* 303 * Store the sequence number. 304 */ 305 #define M_SEQNO_SET(m, seqno) \ 306 ((m)->m_pkthdr.tso_segsz = (seqno)) 307 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 308 309 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 310 311 struct ieee80211_cb { 312 void (*func)(struct ieee80211_node *, void *, int status); 313 void *arg; 314 }; 315 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 316 int ieee80211_add_callback(struct mbuf *m, 317 void (*func)(struct ieee80211_node *, void *, int), void *arg); 318 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 319 320 struct ieee80211com; 321 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 322 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 323 324 void get_random_bytes(void *, size_t); 325 326 void ieee80211_sysctl_attach(struct ieee80211com *); 327 void ieee80211_sysctl_detach(struct ieee80211com *); 328 void ieee80211_sysctl_vattach(struct ieee80211vap *); 329 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 330 331 SYSCTL_DECL(_net_wlan); 332 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 333 334 void ieee80211_load_module(const char *); 335 336 /* 337 * A "policy module" is an adjunct module to net80211 that provides 338 * functionality that typically includes policy decisions. This 339 * modularity enables extensibility and vendor-supplied functionality. 340 */ 341 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 342 typedef void (*policy##_setup)(int); \ 343 SET_DECLARE(policy##_set, policy##_setup); \ 344 static int \ 345 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 346 { \ 347 policy##_setup * const *iter, f; \ 348 switch (type) { \ 349 case MOD_LOAD: \ 350 SET_FOREACH(iter, policy##_set) { \ 351 f = (void*) *iter; \ 352 f(type); \ 353 } \ 354 return 0; \ 355 case MOD_UNLOAD: \ 356 case MOD_QUIESCE: \ 357 if (nrefs) { \ 358 printf("wlan_##name: still in use (%u dynamic refs)\n",\ 359 nrefs); \ 360 return EBUSY; \ 361 } \ 362 if (type == MOD_UNLOAD) { \ 363 SET_FOREACH(iter, policy##_set) { \ 364 f = (void*) *iter; \ 365 f(type); \ 366 } \ 367 } \ 368 return 0; \ 369 } \ 370 return EINVAL; \ 371 } \ 372 static moduledata_t name##_mod = { \ 373 "wlan_" #name, \ 374 wlan_##name##_modevent, \ 375 0 \ 376 }; \ 377 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 378 MODULE_VERSION(wlan_##name, version); \ 379 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 380 381 /* 382 * Crypto modules implement cipher support. 383 */ 384 #define IEEE80211_CRYPTO_MODULE(name, version) \ 385 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 386 static void \ 387 name##_modevent(int type) \ 388 { \ 389 if (type == MOD_LOAD) \ 390 ieee80211_crypto_register(&name); \ 391 else \ 392 ieee80211_crypto_unregister(&name); \ 393 } \ 394 TEXT_SET(crypto##_set, name##_modevent) 395 396 /* 397 * Scanner modules provide scanning policy. 398 */ 399 #define IEEE80211_SCANNER_MODULE(name, version) \ 400 _IEEE80211_POLICY_MODULE(scanner, name, version) 401 402 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 403 static void \ 404 name##_modevent(int type) \ 405 { \ 406 if (type == MOD_LOAD) \ 407 ieee80211_scanner_register(alg, &v); \ 408 else \ 409 ieee80211_scanner_unregister(alg, &v); \ 410 } \ 411 TEXT_SET(scanner_set, name##_modevent); \ 412 413 /* 414 * ACL modules implement acl policy. 415 */ 416 #define IEEE80211_ACL_MODULE(name, alg, version) \ 417 _IEEE80211_POLICY_MODULE(acl, name, version); \ 418 static void \ 419 alg##_modevent(int type) \ 420 { \ 421 if (type == MOD_LOAD) \ 422 ieee80211_aclator_register(&alg); \ 423 else \ 424 ieee80211_aclator_unregister(&alg); \ 425 } \ 426 TEXT_SET(acl_set, alg##_modevent); \ 427 428 /* 429 * Authenticator modules handle 802.1x/WPA authentication. 430 */ 431 #define IEEE80211_AUTH_MODULE(name, version) \ 432 _IEEE80211_POLICY_MODULE(auth, name, version) 433 434 #define IEEE80211_AUTH_ALG(name, alg, v) \ 435 static void \ 436 name##_modevent(int type) \ 437 { \ 438 if (type == MOD_LOAD) \ 439 ieee80211_authenticator_register(alg, &v); \ 440 else \ 441 ieee80211_authenticator_unregister(alg); \ 442 } \ 443 TEXT_SET(auth_set, name##_modevent) 444 445 /* 446 * Rate control modules provide tx rate control support. 447 */ 448 #define IEEE80211_RATECTL_MODULE(alg, version) \ 449 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 450 451 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 452 static void \ 453 alg##_modevent(int type) \ 454 { \ 455 if (type == MOD_LOAD) \ 456 ieee80211_ratectl_register(alg, &v); \ 457 else \ 458 ieee80211_ratectl_unregister(alg); \ 459 } \ 460 TEXT_SET(ratectl##_set, alg##_modevent) 461 462 struct ieee80211req; 463 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 464 struct ieee80211req *); 465 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 466 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 467 468 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 469 struct ieee80211req *); 470 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 471 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 472 #endif /* _KERNEL */ 473 474 /* XXX this stuff belongs elsewhere */ 475 /* 476 * Message formats for messages from the net80211 layer to user 477 * applications via the routing socket. These messages are appended 478 * to an if_announcemsghdr structure. 479 */ 480 struct ieee80211_join_event { 481 uint8_t iev_addr[6]; 482 }; 483 484 struct ieee80211_leave_event { 485 uint8_t iev_addr[6]; 486 }; 487 488 struct ieee80211_replay_event { 489 uint8_t iev_src[6]; /* src MAC */ 490 uint8_t iev_dst[6]; /* dst MAC */ 491 uint8_t iev_cipher; /* cipher type */ 492 uint8_t iev_keyix; /* key id/index */ 493 uint64_t iev_keyrsc; /* RSC from key */ 494 uint64_t iev_rsc; /* RSC from frame */ 495 }; 496 497 struct ieee80211_michael_event { 498 uint8_t iev_src[6]; /* src MAC */ 499 uint8_t iev_dst[6]; /* dst MAC */ 500 uint8_t iev_cipher; /* cipher type */ 501 uint8_t iev_keyix; /* key id/index */ 502 }; 503 504 struct ieee80211_wds_event { 505 uint8_t iev_addr[6]; 506 }; 507 508 struct ieee80211_csa_event { 509 uint32_t iev_flags; /* channel flags */ 510 uint16_t iev_freq; /* setting in Mhz */ 511 uint8_t iev_ieee; /* IEEE channel number */ 512 uint8_t iev_mode; /* CSA mode */ 513 uint8_t iev_count; /* CSA count */ 514 }; 515 516 struct ieee80211_cac_event { 517 uint32_t iev_flags; /* channel flags */ 518 uint16_t iev_freq; /* setting in Mhz */ 519 uint8_t iev_ieee; /* IEEE channel number */ 520 /* XXX timestamp? */ 521 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 522 }; 523 524 struct ieee80211_radar_event { 525 uint32_t iev_flags; /* channel flags */ 526 uint16_t iev_freq; /* setting in Mhz */ 527 uint8_t iev_ieee; /* IEEE channel number */ 528 /* XXX timestamp? */ 529 }; 530 531 struct ieee80211_auth_event { 532 uint8_t iev_addr[6]; 533 }; 534 535 struct ieee80211_deauth_event { 536 uint8_t iev_addr[6]; 537 }; 538 539 struct ieee80211_country_event { 540 uint8_t iev_addr[6]; 541 uint8_t iev_cc[2]; /* ISO country code */ 542 }; 543 544 struct ieee80211_radio_event { 545 uint8_t iev_state; /* 1 on, 0 off */ 546 }; 547 548 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 549 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 550 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 551 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 552 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 553 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 554 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 555 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 556 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 557 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 558 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 559 #define RTM_IEEE80211_RADAR 111 /* radar event */ 560 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 561 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 562 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 563 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 564 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 565 566 /* 567 * Structure prepended to raw packets sent through the bpf 568 * interface when set to DLT_IEEE802_11_RADIO. This allows 569 * user applications to specify pretty much everything in 570 * an Atheros tx descriptor. XXX need to generalize. 571 * 572 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 573 * XXX sa_data area. 574 */ 575 struct ieee80211_bpf_params { 576 uint8_t ibp_vers; /* version */ 577 #define IEEE80211_BPF_VERSION 0 578 uint8_t ibp_len; /* header length in bytes */ 579 uint8_t ibp_flags; 580 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 581 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 582 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 583 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 584 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 585 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 586 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 587 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 588 uint8_t ibp_try0; /* series 1 try count */ 589 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 590 uint8_t ibp_power; /* tx power (device units) */ 591 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 592 uint8_t ibp_try1; /* series 2 try count */ 593 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 594 uint8_t ibp_try2; /* series 3 try count */ 595 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 596 uint8_t ibp_try3; /* series 4 try count */ 597 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 598 }; 599 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 600