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/types.h> 32 #include <sys/systm.h> 33 #include <sys/counter.h> 34 #include <sys/lock.h> 35 #include <sys/mutex.h> 36 #include <sys/rwlock.h> 37 #include <sys/sysctl.h> 38 #include <sys/taskqueue.h> 39 40 /* 41 * Common state locking definitions. 42 */ 43 typedef struct { 44 char name[16]; /* e.g. "ath0_com_lock" */ 45 struct mtx mtx; 46 } ieee80211_com_lock_t; 47 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 48 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 49 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 50 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 51 } while (0) 52 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 53 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 54 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 55 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 56 #define IEEE80211_LOCK_ASSERT(_ic) \ 57 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 58 #define IEEE80211_UNLOCK_ASSERT(_ic) \ 59 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) 60 61 /* 62 * Transmit lock. 63 * 64 * This is a (mostly) temporary lock designed to serialise all of the 65 * transmission operations throughout the stack. 66 */ 67 typedef struct { 68 char name[16]; /* e.g. "ath0_com_lock" */ 69 struct mtx mtx; 70 } ieee80211_tx_lock_t; 71 #define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \ 72 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \ 73 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \ 74 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \ 75 } while (0) 76 #define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx) 77 #define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic)) 78 #define IEEE80211_TX_LOCK(_ic) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)) 79 #define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)) 80 #define IEEE80211_TX_LOCK_ASSERT(_ic) \ 81 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED) 82 #define IEEE80211_TX_UNLOCK_ASSERT(_ic) \ 83 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED) 84 85 /* 86 * Node locking definitions. 87 */ 88 typedef struct { 89 char name[16]; /* e.g. "ath0_node_lock" */ 90 struct mtx mtx; 91 } ieee80211_node_lock_t; 92 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 93 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 94 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 95 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 96 } while (0) 97 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 98 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 99 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 100 #define IEEE80211_NODE_LOCK(_nt) \ 101 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 102 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 103 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 104 #define IEEE80211_NODE_UNLOCK(_nt) \ 105 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 106 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 107 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 108 109 /* 110 * Node table iteration locking definitions; this protects the 111 * scan generation # used to iterate over the station table 112 * while grabbing+releasing the node lock. 113 */ 114 typedef struct { 115 char name[16]; /* e.g. "ath0_scan_lock" */ 116 struct mtx mtx; 117 } ieee80211_scan_lock_t; 118 #define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do { \ 119 ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock; \ 120 snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name); \ 121 mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF); \ 122 } while (0) 123 #define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt) (&(_nt)->nt_scanlock.mtx) 124 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \ 125 mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 126 #define IEEE80211_NODE_ITERATE_LOCK(_nt) \ 127 mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 128 #define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \ 129 mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 130 131 /* 132 * Power-save queue definitions. 133 */ 134 typedef struct mtx ieee80211_psq_lock_t; 135 #define IEEE80211_PSQ_INIT(_psq, _name) \ 136 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 137 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 138 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 139 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 140 141 #ifndef IF_PREPEND_LIST 142 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 143 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 144 if ((ifq)->ifq_tail == NULL) \ 145 (ifq)->ifq_tail = (mtail); \ 146 (ifq)->ifq_head = (mhead); \ 147 (ifq)->ifq_len += (mcount); \ 148 } while (0) 149 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 150 IF_LOCK(ifq); \ 151 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 152 IF_UNLOCK(ifq); \ 153 } while (0) 154 #endif /* IF_PREPEND_LIST */ 155 156 /* 157 * Age queue definitions. 158 */ 159 typedef struct mtx ieee80211_ageq_lock_t; 160 #define IEEE80211_AGEQ_INIT(_aq, _name) \ 161 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 162 #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 163 #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 164 #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 165 166 /* 167 * 802.1x MAC ACL database locking definitions. 168 */ 169 typedef struct mtx acl_lock_t; 170 #define ACL_LOCK_INIT(_as, _name) \ 171 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 172 #define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 173 #define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 174 #define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 175 #define ACL_LOCK_ASSERT(_as) \ 176 mtx_assert((&(_as)->as_lock), MA_OWNED) 177 178 /* 179 * Scan table definitions. 180 */ 181 typedef struct mtx ieee80211_scan_table_lock_t; 182 #define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 183 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 184 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 185 #define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 186 #define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 187 188 typedef struct mtx ieee80211_scan_iter_lock_t; 189 #define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \ 190 mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF) 191 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock) 192 #define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock) 193 #define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock) 194 195 /* 196 * Mesh node/routing definitions. 197 */ 198 typedef struct mtx ieee80211_rte_lock_t; 199 #define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \ 200 mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF) 201 #define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \ 202 mtx_destroy(&(_rt)->rt_lock) 203 #define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock) 204 #define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED) 205 #define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock) 206 207 typedef struct mtx ieee80211_rt_lock_t; 208 #define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock) 209 #define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED) 210 #define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock) 211 #define MESH_RT_LOCK_INIT(ms, name) \ 212 mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF) 213 #define MESH_RT_LOCK_DESTROY(ms) \ 214 mtx_destroy(&(ms)->ms_rt_lock) 215 216 /* 217 * Node reference counting definitions. 218 * 219 * ieee80211_node_initref initialize the reference count to 1 220 * ieee80211_node_incref add a reference 221 * ieee80211_node_decref remove a reference 222 * ieee80211_node_dectestref remove a reference and return 1 if this 223 * is the last reference, otherwise 0 224 * ieee80211_node_refcnt reference count for printing (only) 225 */ 226 #include <machine/atomic.h> 227 228 #define ieee80211_node_initref(_ni) \ 229 do { ((_ni)->ni_refcnt = 1); } while (0) 230 #define ieee80211_node_incref(_ni) \ 231 atomic_add_int(&(_ni)->ni_refcnt, 1) 232 #define ieee80211_node_decref(_ni) \ 233 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 234 struct ieee80211_node; 235 int ieee80211_node_dectestref(struct ieee80211_node *ni); 236 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 237 238 struct ifqueue; 239 struct ieee80211vap; 240 void ieee80211_drain_ifq(struct ifqueue *); 241 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 242 243 void ieee80211_vap_destroy(struct ieee80211vap *); 244 245 #define IFNET_IS_UP_RUNNING(_ifp) \ 246 (((_ifp)->if_flags & IFF_UP) && \ 247 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 248 249 #define msecs_to_ticks(ms) (((ms)*hz)/1000) 250 #define ticks_to_msecs(t) (1000*(t) / hz) 251 #define ticks_to_secs(t) ((t) / hz) 252 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 253 #define time_before(a,b) time_after(b,a) 254 #define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 255 #define time_before_eq(a,b) time_after_eq(b,a) 256 257 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 258 259 /* tx path usage */ 260 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 261 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 262 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 263 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 264 #define M_FF M_PROTO6 /* fast frame */ 265 #define M_TXCB M_PROTO7 /* do tx complete callback */ 266 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 267 #define M_FRAG M_PROTO9 /* frame fragmentation */ 268 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 269 #define M_LASTFRAG M_PROTO11 /* last frame fragment */ 270 271 #define M_80211_TX \ 272 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 273 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 274 275 /* rx path usage */ 276 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 277 #define M_WEP M_PROTO2 /* WEP done by hardware */ 278 #if 0 279 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 280 #endif 281 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 282 283 #define IEEE80211_MBUF_TX_FLAG_BITS \ 284 M_FLAG_BITS \ 285 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 286 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 287 288 #define IEEE80211_MBUF_RX_FLAG_BITS \ 289 M_FLAG_BITS \ 290 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 291 292 /* 293 * Store WME access control bits in the vlan tag. 294 * This is safe since it's done after the packet is classified 295 * (where we use any previous tag) and because it's passed 296 * directly in to the driver and there's no chance someone 297 * else will clobber them on us. 298 */ 299 #define M_WME_SETAC(m, ac) \ 300 ((m)->m_pkthdr.ether_vtag = (ac)) 301 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 302 303 /* 304 * Mbufs on the power save queue are tagged with an age and 305 * timed out. We reuse the hardware checksum field in the 306 * mbuf packet header to store this data. 307 */ 308 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 309 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 310 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 311 312 /* 313 * Store the sequence number. 314 */ 315 #define M_SEQNO_SET(m, seqno) \ 316 ((m)->m_pkthdr.tso_segsz = (seqno)) 317 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 318 319 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 320 321 struct ieee80211_cb { 322 void (*func)(struct ieee80211_node *, void *, int status); 323 void *arg; 324 }; 325 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 326 int ieee80211_add_callback(struct mbuf *m, 327 void (*func)(struct ieee80211_node *, void *, int), void *arg); 328 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 329 330 #define NET80211_TAG_XMIT_PARAMS 1 331 /* See below; this is after the bpf_params definition */ 332 333 struct ieee80211com; 334 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 335 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 336 337 void get_random_bytes(void *, size_t); 338 339 void ieee80211_sysctl_attach(struct ieee80211com *); 340 void ieee80211_sysctl_detach(struct ieee80211com *); 341 void ieee80211_sysctl_vattach(struct ieee80211vap *); 342 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 343 344 SYSCTL_DECL(_net_wlan); 345 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 346 347 void ieee80211_load_module(const char *); 348 349 /* 350 * A "policy module" is an adjunct module to net80211 that provides 351 * functionality that typically includes policy decisions. This 352 * modularity enables extensibility and vendor-supplied functionality. 353 */ 354 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 355 typedef void (*policy##_setup)(int); \ 356 SET_DECLARE(policy##_set, policy##_setup); \ 357 static int \ 358 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 359 { \ 360 policy##_setup * const *iter, f; \ 361 switch (type) { \ 362 case MOD_LOAD: \ 363 SET_FOREACH(iter, policy##_set) { \ 364 f = (void*) *iter; \ 365 f(type); \ 366 } \ 367 return 0; \ 368 case MOD_UNLOAD: \ 369 case MOD_QUIESCE: \ 370 if (nrefs) { \ 371 printf("wlan_" #name ": still in use " \ 372 "(%u dynamic refs)\n", nrefs); \ 373 return EBUSY; \ 374 } \ 375 if (type == MOD_UNLOAD) { \ 376 SET_FOREACH(iter, policy##_set) { \ 377 f = (void*) *iter; \ 378 f(type); \ 379 } \ 380 } \ 381 return 0; \ 382 } \ 383 return EINVAL; \ 384 } \ 385 static moduledata_t name##_mod = { \ 386 "wlan_" #name, \ 387 wlan_##name##_modevent, \ 388 0 \ 389 }; \ 390 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 391 MODULE_VERSION(wlan_##name, version); \ 392 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 393 394 /* 395 * Crypto modules implement cipher support. 396 */ 397 #define IEEE80211_CRYPTO_MODULE(name, version) \ 398 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 399 static void \ 400 name##_modevent(int type) \ 401 { \ 402 if (type == MOD_LOAD) \ 403 ieee80211_crypto_register(&name); \ 404 else \ 405 ieee80211_crypto_unregister(&name); \ 406 } \ 407 TEXT_SET(crypto##_set, name##_modevent) 408 409 /* 410 * Scanner modules provide scanning policy. 411 */ 412 #define IEEE80211_SCANNER_MODULE(name, version) \ 413 _IEEE80211_POLICY_MODULE(scanner, name, version) 414 415 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 416 static void \ 417 name##_modevent(int type) \ 418 { \ 419 if (type == MOD_LOAD) \ 420 ieee80211_scanner_register(alg, &v); \ 421 else \ 422 ieee80211_scanner_unregister(alg, &v); \ 423 } \ 424 TEXT_SET(scanner_set, name##_modevent); \ 425 426 /* 427 * ACL modules implement acl policy. 428 */ 429 #define IEEE80211_ACL_MODULE(name, alg, version) \ 430 _IEEE80211_POLICY_MODULE(acl, name, version); \ 431 static void \ 432 alg##_modevent(int type) \ 433 { \ 434 if (type == MOD_LOAD) \ 435 ieee80211_aclator_register(&alg); \ 436 else \ 437 ieee80211_aclator_unregister(&alg); \ 438 } \ 439 TEXT_SET(acl_set, alg##_modevent); \ 440 441 /* 442 * Authenticator modules handle 802.1x/WPA authentication. 443 */ 444 #define IEEE80211_AUTH_MODULE(name, version) \ 445 _IEEE80211_POLICY_MODULE(auth, name, version) 446 447 #define IEEE80211_AUTH_ALG(name, alg, v) \ 448 static void \ 449 name##_modevent(int type) \ 450 { \ 451 if (type == MOD_LOAD) \ 452 ieee80211_authenticator_register(alg, &v); \ 453 else \ 454 ieee80211_authenticator_unregister(alg); \ 455 } \ 456 TEXT_SET(auth_set, name##_modevent) 457 458 /* 459 * Rate control modules provide tx rate control support. 460 */ 461 #define IEEE80211_RATECTL_MODULE(alg, version) \ 462 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 463 464 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 465 static void \ 466 alg##_modevent(int type) \ 467 { \ 468 if (type == MOD_LOAD) \ 469 ieee80211_ratectl_register(alg, &v); \ 470 else \ 471 ieee80211_ratectl_unregister(alg); \ 472 } \ 473 TEXT_SET(ratectl##_set, alg##_modevent) 474 475 struct ieee80211req; 476 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 477 struct ieee80211req *); 478 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 479 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 480 481 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 482 struct ieee80211req *); 483 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 484 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 485 #endif /* _KERNEL */ 486 487 /* XXX this stuff belongs elsewhere */ 488 /* 489 * Message formats for messages from the net80211 layer to user 490 * applications via the routing socket. These messages are appended 491 * to an if_announcemsghdr structure. 492 */ 493 struct ieee80211_join_event { 494 uint8_t iev_addr[6]; 495 }; 496 497 struct ieee80211_leave_event { 498 uint8_t iev_addr[6]; 499 }; 500 501 struct ieee80211_replay_event { 502 uint8_t iev_src[6]; /* src MAC */ 503 uint8_t iev_dst[6]; /* dst MAC */ 504 uint8_t iev_cipher; /* cipher type */ 505 uint8_t iev_keyix; /* key id/index */ 506 uint64_t iev_keyrsc; /* RSC from key */ 507 uint64_t iev_rsc; /* RSC from frame */ 508 }; 509 510 struct ieee80211_michael_event { 511 uint8_t iev_src[6]; /* src MAC */ 512 uint8_t iev_dst[6]; /* dst MAC */ 513 uint8_t iev_cipher; /* cipher type */ 514 uint8_t iev_keyix; /* key id/index */ 515 }; 516 517 struct ieee80211_wds_event { 518 uint8_t iev_addr[6]; 519 }; 520 521 struct ieee80211_csa_event { 522 uint32_t iev_flags; /* channel flags */ 523 uint16_t iev_freq; /* setting in Mhz */ 524 uint8_t iev_ieee; /* IEEE channel number */ 525 uint8_t iev_mode; /* CSA mode */ 526 uint8_t iev_count; /* CSA count */ 527 }; 528 529 struct ieee80211_cac_event { 530 uint32_t iev_flags; /* channel flags */ 531 uint16_t iev_freq; /* setting in Mhz */ 532 uint8_t iev_ieee; /* IEEE channel number */ 533 /* XXX timestamp? */ 534 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 535 }; 536 537 struct ieee80211_radar_event { 538 uint32_t iev_flags; /* channel flags */ 539 uint16_t iev_freq; /* setting in Mhz */ 540 uint8_t iev_ieee; /* IEEE channel number */ 541 /* XXX timestamp? */ 542 }; 543 544 struct ieee80211_auth_event { 545 uint8_t iev_addr[6]; 546 }; 547 548 struct ieee80211_deauth_event { 549 uint8_t iev_addr[6]; 550 }; 551 552 struct ieee80211_country_event { 553 uint8_t iev_addr[6]; 554 uint8_t iev_cc[2]; /* ISO country code */ 555 }; 556 557 struct ieee80211_radio_event { 558 uint8_t iev_state; /* 1 on, 0 off */ 559 }; 560 561 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 562 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 563 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 564 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 565 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 566 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 567 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 568 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 569 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 570 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 571 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 572 #define RTM_IEEE80211_RADAR 111 /* radar event */ 573 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 574 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 575 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 576 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 577 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 578 579 /* 580 * Structure prepended to raw packets sent through the bpf 581 * interface when set to DLT_IEEE802_11_RADIO. This allows 582 * user applications to specify pretty much everything in 583 * an Atheros tx descriptor. XXX need to generalize. 584 * 585 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 586 * XXX sa_data area. 587 */ 588 struct ieee80211_bpf_params { 589 uint8_t ibp_vers; /* version */ 590 #define IEEE80211_BPF_VERSION 0 591 uint8_t ibp_len; /* header length in bytes */ 592 uint8_t ibp_flags; 593 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 594 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 595 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 596 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 597 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 598 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 599 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 600 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 601 uint8_t ibp_try0; /* series 1 try count */ 602 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 603 uint8_t ibp_power; /* tx power (device units) */ 604 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 605 uint8_t ibp_try1; /* series 2 try count */ 606 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 607 uint8_t ibp_try2; /* series 3 try count */ 608 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 609 uint8_t ibp_try3; /* series 4 try count */ 610 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 611 }; 612 613 #ifdef _KERNEL 614 struct ieee80211_tx_params { 615 struct ieee80211_bpf_params params; 616 }; 617 int ieee80211_add_xmit_params(struct mbuf *m, 618 const struct ieee80211_bpf_params *); 619 int ieee80211_get_xmit_params(struct mbuf *m, 620 struct ieee80211_bpf_params *); 621 #endif /* _KERNEL */ 622 623 /* 624 * Malloc API. Other BSD operating systems have slightly 625 * different malloc/free namings (eg DragonflyBSD.) 626 */ 627 #define IEEE80211_MALLOC malloc 628 #define IEEE80211_FREE free 629 630 /* XXX TODO: get rid of WAITOK, fix all the users of it? */ 631 #define IEEE80211_M_NOWAIT M_NOWAIT 632 #define IEEE80211_M_WAITOK M_WAITOK 633 #define IEEE80211_M_ZERO M_ZERO 634 635 /* XXX TODO: the type fields */ 636 637 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 638