1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 #ifndef _NET80211_IEEE80211_FREEBSD_H_ 30 #define _NET80211_IEEE80211_FREEBSD_H_ 31 32 #ifdef _KERNEL 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/counter.h> 36 #include <sys/lock.h> 37 #include <sys/mutex.h> 38 #include <sys/rwlock.h> 39 #include <sys/sysctl.h> 40 #include <sys/taskqueue.h> 41 #include <sys/time.h> 42 43 /* 44 * Common state locking definitions. 45 */ 46 typedef struct { 47 char name[16]; /* e.g. "ath0_com_lock" */ 48 struct mtx mtx; 49 } ieee80211_com_lock_t; 50 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 51 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 52 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 53 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 54 } while (0) 55 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 56 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 57 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 58 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 59 #define IEEE80211_LOCK_ASSERT(_ic) \ 60 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 61 #define IEEE80211_UNLOCK_ASSERT(_ic) \ 62 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) 63 64 /* 65 * Transmit lock. 66 * 67 * This is a (mostly) temporary lock designed to serialise all of the 68 * transmission operations throughout the stack. 69 */ 70 typedef struct { 71 char name[16]; /* e.g. "ath0_tx_lock" */ 72 struct mtx mtx; 73 } ieee80211_tx_lock_t; 74 #define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \ 75 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \ 76 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \ 77 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \ 78 } while (0) 79 #define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx) 80 #define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic)) 81 #define IEEE80211_TX_LOCK(_ic) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)) 82 #define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)) 83 #define IEEE80211_TX_LOCK_ASSERT(_ic) \ 84 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED) 85 #define IEEE80211_TX_UNLOCK_ASSERT(_ic) \ 86 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED) 87 88 /* 89 * Stageq / ni_tx_superg lock 90 */ 91 typedef struct { 92 char name[16]; /* e.g. "ath0_ff_lock" */ 93 struct mtx mtx; 94 } ieee80211_ff_lock_t; 95 #define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \ 96 ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \ 97 snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \ 98 mtx_init(&fl->mtx, fl->name, NULL, MTX_DEF); \ 99 } while (0) 100 #define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx) 101 #define IEEE80211_FF_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_FF_LOCK_OBJ(_ic)) 102 #define IEEE80211_FF_LOCK(_ic) mtx_lock(IEEE80211_FF_LOCK_OBJ(_ic)) 103 #define IEEE80211_FF_UNLOCK(_ic) mtx_unlock(IEEE80211_FF_LOCK_OBJ(_ic)) 104 #define IEEE80211_FF_LOCK_ASSERT(_ic) \ 105 mtx_assert(IEEE80211_FF_LOCK_OBJ(_ic), MA_OWNED) 106 107 /* 108 * Node locking definitions. 109 */ 110 typedef struct { 111 char name[16]; /* e.g. "ath0_node_lock" */ 112 struct mtx mtx; 113 } ieee80211_node_lock_t; 114 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 115 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 116 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 117 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 118 } while (0) 119 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 120 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 121 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 122 #define IEEE80211_NODE_LOCK(_nt) \ 123 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 124 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 125 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 126 #define IEEE80211_NODE_UNLOCK(_nt) \ 127 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 128 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 129 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 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 struct ieee80211vap; 229 int ieee80211_com_vincref(struct ieee80211vap *); 230 void ieee80211_com_vdecref(struct ieee80211vap *); 231 void ieee80211_com_vdetach(struct ieee80211vap *); 232 233 #define ieee80211_node_initref(_ni) \ 234 do { ((_ni)->ni_refcnt = 1); } while (0) 235 #define ieee80211_node_incref(_ni) \ 236 atomic_add_int(&(_ni)->ni_refcnt, 1) 237 #define ieee80211_node_decref(_ni) \ 238 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 239 struct ieee80211_node; 240 int ieee80211_node_dectestref(struct ieee80211_node *ni); 241 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 242 243 struct ifqueue; 244 void ieee80211_drain_ifq(struct ifqueue *); 245 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 246 247 void ieee80211_vap_destroy(struct ieee80211vap *); 248 249 #define IFNET_IS_UP_RUNNING(_ifp) \ 250 (((_ifp)->if_flags & IFF_UP) && \ 251 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 252 253 #define msecs_to_ticks(ms) MSEC_2_TICKS(ms) 254 #define ticks_to_msecs(t) TICKS_2_MSEC(t) 255 #define ticks_to_secs(t) ((t) / hz) 256 257 #define ieee80211_time_after(a,b) ((long)(b) - (long)(a) < 0) 258 #define ieee80211_time_before(a,b) ieee80211_time_after(b,a) 259 #define ieee80211_time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 260 #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) 261 262 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 263 264 /* tx path usage */ 265 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 266 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 267 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 268 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 269 #define M_FF M_PROTO6 /* fast frame / A-MSDU */ 270 #define M_TXCB M_PROTO7 /* do tx complete callback */ 271 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 272 #define M_FRAG M_PROTO9 /* frame fragmentation */ 273 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 274 #define M_LASTFRAG M_PROTO11 /* last frame fragment */ 275 276 #define M_80211_TX \ 277 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 278 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 279 280 /* rx path usage */ 281 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 282 #define M_WEP M_PROTO2 /* WEP done by hardware */ 283 #if 0 284 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 285 #endif 286 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 287 288 #define IEEE80211_MBUF_TX_FLAG_BITS \ 289 M_FLAG_BITS \ 290 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 291 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 292 293 #define IEEE80211_MBUF_RX_FLAG_BITS \ 294 M_FLAG_BITS \ 295 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 296 297 /* 298 * Store WME access control bits in the vlan tag. 299 * This is safe since it's done after the packet is classified 300 * (where we use any previous tag) and because it's passed 301 * directly in to the driver and there's no chance someone 302 * else will clobber them on us. 303 */ 304 #define M_WME_SETAC(m, ac) \ 305 ((m)->m_pkthdr.ether_vtag = (ac)) 306 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 307 308 /* 309 * Mbufs on the power save queue are tagged with an age and 310 * timed out. We reuse the hardware checksum field in the 311 * mbuf packet header to store this data. 312 */ 313 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 314 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 315 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 316 317 /* 318 * Store the sequence number. 319 */ 320 #define M_SEQNO_SET(m, seqno) \ 321 ((m)->m_pkthdr.tso_segsz = (seqno)) 322 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 323 324 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 325 326 struct ieee80211_cb { 327 void (*func)(struct ieee80211_node *, void *, int status); 328 void *arg; 329 }; 330 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 331 int ieee80211_add_callback(struct mbuf *m, 332 void (*func)(struct ieee80211_node *, void *, int), void *arg); 333 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 334 335 #define NET80211_TAG_XMIT_PARAMS 1 336 /* See below; this is after the bpf_params definition */ 337 338 #define NET80211_TAG_RECV_PARAMS 2 339 340 #define NET80211_TAG_TOA_PARAMS 3 341 342 struct ieee80211com; 343 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 344 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 345 346 void get_random_bytes(void *, size_t); 347 348 void ieee80211_sysctl_attach(struct ieee80211com *); 349 void ieee80211_sysctl_detach(struct ieee80211com *); 350 void ieee80211_sysctl_vattach(struct ieee80211vap *); 351 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 352 353 SYSCTL_DECL(_net_wlan); 354 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 355 356 void ieee80211_load_module(const char *); 357 358 /* 359 * A "policy module" is an adjunct module to net80211 that provides 360 * functionality that typically includes policy decisions. This 361 * modularity enables extensibility and vendor-supplied functionality. 362 */ 363 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 364 typedef void (*policy##_setup)(int); \ 365 SET_DECLARE(policy##_set, policy##_setup); \ 366 static int \ 367 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 368 { \ 369 policy##_setup * const *iter, f; \ 370 switch (type) { \ 371 case MOD_LOAD: \ 372 SET_FOREACH(iter, policy##_set) { \ 373 f = (void*) *iter; \ 374 f(type); \ 375 } \ 376 return 0; \ 377 case MOD_UNLOAD: \ 378 case MOD_QUIESCE: \ 379 if (nrefs) { \ 380 printf("wlan_" #name ": still in use " \ 381 "(%u dynamic refs)\n", nrefs); \ 382 return EBUSY; \ 383 } \ 384 if (type == MOD_UNLOAD) { \ 385 SET_FOREACH(iter, policy##_set) { \ 386 f = (void*) *iter; \ 387 f(type); \ 388 } \ 389 } \ 390 return 0; \ 391 } \ 392 return EINVAL; \ 393 } \ 394 static moduledata_t name##_mod = { \ 395 "wlan_" #name, \ 396 wlan_##name##_modevent, \ 397 0 \ 398 }; \ 399 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 400 MODULE_VERSION(wlan_##name, version); \ 401 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 402 403 /* 404 * Crypto modules implement cipher support. 405 */ 406 #define IEEE80211_CRYPTO_MODULE(name, version) \ 407 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 408 static void \ 409 name##_modevent(int type) \ 410 { \ 411 if (type == MOD_LOAD) \ 412 ieee80211_crypto_register(&name); \ 413 else \ 414 ieee80211_crypto_unregister(&name); \ 415 } \ 416 TEXT_SET(crypto##_set, name##_modevent) 417 418 /* 419 * Scanner modules provide scanning policy. 420 */ 421 #define IEEE80211_SCANNER_MODULE(name, version) \ 422 _IEEE80211_POLICY_MODULE(scanner, name, version) 423 424 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 425 static void \ 426 name##_modevent(int type) \ 427 { \ 428 if (type == MOD_LOAD) \ 429 ieee80211_scanner_register(alg, &v); \ 430 else \ 431 ieee80211_scanner_unregister(alg, &v); \ 432 } \ 433 TEXT_SET(scanner_set, name##_modevent); \ 434 435 /* 436 * ACL modules implement acl policy. 437 */ 438 #define IEEE80211_ACL_MODULE(name, alg, version) \ 439 _IEEE80211_POLICY_MODULE(acl, name, version); \ 440 static void \ 441 alg##_modevent(int type) \ 442 { \ 443 if (type == MOD_LOAD) \ 444 ieee80211_aclator_register(&alg); \ 445 else \ 446 ieee80211_aclator_unregister(&alg); \ 447 } \ 448 TEXT_SET(acl_set, alg##_modevent); \ 449 450 /* 451 * Authenticator modules handle 802.1x/WPA authentication. 452 */ 453 #define IEEE80211_AUTH_MODULE(name, version) \ 454 _IEEE80211_POLICY_MODULE(auth, name, version) 455 456 #define IEEE80211_AUTH_ALG(name, alg, v) \ 457 static void \ 458 name##_modevent(int type) \ 459 { \ 460 if (type == MOD_LOAD) \ 461 ieee80211_authenticator_register(alg, &v); \ 462 else \ 463 ieee80211_authenticator_unregister(alg); \ 464 } \ 465 TEXT_SET(auth_set, name##_modevent) 466 467 /* 468 * Rate control modules provide tx rate control support. 469 */ 470 #define IEEE80211_RATECTL_MODULE(alg, version) \ 471 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 472 473 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 474 static void \ 475 alg##_modevent(int type) \ 476 { \ 477 if (type == MOD_LOAD) \ 478 ieee80211_ratectl_register(alg, &v); \ 479 else \ 480 ieee80211_ratectl_unregister(alg); \ 481 } \ 482 TEXT_SET(ratectl##_set, alg##_modevent) 483 484 struct ieee80211req; 485 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 486 struct ieee80211req *); 487 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 488 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 489 490 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 491 struct ieee80211req *); 492 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 493 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 494 #endif /* _KERNEL */ 495 496 /* XXX this stuff belongs elsewhere */ 497 /* 498 * Message formats for messages from the net80211 layer to user 499 * applications via the routing socket. These messages are appended 500 * to an if_announcemsghdr structure. 501 */ 502 struct ieee80211_join_event { 503 uint8_t iev_addr[6]; 504 }; 505 506 struct ieee80211_leave_event { 507 uint8_t iev_addr[6]; 508 }; 509 510 struct ieee80211_replay_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 uint64_t iev_keyrsc; /* RSC from key */ 516 uint64_t iev_rsc; /* RSC from frame */ 517 }; 518 519 struct ieee80211_michael_event { 520 uint8_t iev_src[6]; /* src MAC */ 521 uint8_t iev_dst[6]; /* dst MAC */ 522 uint8_t iev_cipher; /* cipher type */ 523 uint8_t iev_keyix; /* key id/index */ 524 }; 525 526 struct ieee80211_wds_event { 527 uint8_t iev_addr[6]; 528 }; 529 530 struct ieee80211_csa_event { 531 uint32_t iev_flags; /* channel flags */ 532 uint16_t iev_freq; /* setting in Mhz */ 533 uint8_t iev_ieee; /* IEEE channel number */ 534 uint8_t iev_mode; /* CSA mode */ 535 uint8_t iev_count; /* CSA count */ 536 }; 537 538 struct ieee80211_cac_event { 539 uint32_t iev_flags; /* channel flags */ 540 uint16_t iev_freq; /* setting in Mhz */ 541 uint8_t iev_ieee; /* IEEE channel number */ 542 /* XXX timestamp? */ 543 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 544 }; 545 546 struct ieee80211_radar_event { 547 uint32_t iev_flags; /* channel flags */ 548 uint16_t iev_freq; /* setting in Mhz */ 549 uint8_t iev_ieee; /* IEEE channel number */ 550 /* XXX timestamp? */ 551 }; 552 553 struct ieee80211_auth_event { 554 uint8_t iev_addr[6]; 555 }; 556 557 struct ieee80211_deauth_event { 558 uint8_t iev_addr[6]; 559 }; 560 561 struct ieee80211_country_event { 562 uint8_t iev_addr[6]; 563 uint8_t iev_cc[2]; /* ISO country code */ 564 }; 565 566 struct ieee80211_radio_event { 567 uint8_t iev_state; /* 1 on, 0 off */ 568 }; 569 570 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 571 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 572 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 573 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 574 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 575 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 576 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 577 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 578 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 579 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 580 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 581 #define RTM_IEEE80211_RADAR 111 /* radar event */ 582 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 583 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 584 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 585 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 586 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 587 588 /* 589 * Structure prepended to raw packets sent through the bpf 590 * interface when set to DLT_IEEE802_11_RADIO. This allows 591 * user applications to specify pretty much everything in 592 * an Atheros tx descriptor. XXX need to generalize. 593 * 594 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 595 * XXX sa_data area. 596 */ 597 struct ieee80211_bpf_params { 598 uint8_t ibp_vers; /* version */ 599 #define IEEE80211_BPF_VERSION 0 600 uint8_t ibp_len; /* header length in bytes */ 601 uint8_t ibp_flags; 602 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 603 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 604 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 605 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 606 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 607 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 608 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 609 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 610 uint8_t ibp_try0; /* series 1 try count */ 611 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 612 uint8_t ibp_power; /* tx power (device units) */ 613 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 614 uint8_t ibp_try1; /* series 2 try count */ 615 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 616 uint8_t ibp_try2; /* series 3 try count */ 617 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 618 uint8_t ibp_try3; /* series 4 try count */ 619 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 620 }; 621 622 #ifdef _KERNEL 623 struct ieee80211_tx_params { 624 struct ieee80211_bpf_params params; 625 }; 626 int ieee80211_add_xmit_params(struct mbuf *m, 627 const struct ieee80211_bpf_params *); 628 int ieee80211_get_xmit_params(struct mbuf *m, 629 struct ieee80211_bpf_params *); 630 631 struct ieee80211_rx_params; 632 struct ieee80211_rx_stats; 633 634 int ieee80211_add_rx_params(struct mbuf *m, 635 const struct ieee80211_rx_stats *rxs); 636 int ieee80211_get_rx_params(struct mbuf *m, 637 struct ieee80211_rx_stats *rxs); 638 const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m); 639 640 struct ieee80211_toa_params { 641 int request_id; 642 }; 643 int ieee80211_add_toa_params(struct mbuf *m, 644 const struct ieee80211_toa_params *p); 645 int ieee80211_get_toa_params(struct mbuf *m, 646 struct ieee80211_toa_params *p); 647 648 #define IEEE80211_F_SURVEY_TIME 0x00000001 649 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002 650 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004 651 #define IEEE80211_F_SURVEY_TSC 0x00000008 652 struct ieee80211_channel_survey { 653 uint32_t s_flags; 654 uint32_t s_time; 655 uint32_t s_time_busy; 656 int32_t s_noise; 657 uint64_t s_tsc; 658 }; 659 660 #endif /* _KERNEL */ 661 662 /* 663 * Malloc API. Other BSD operating systems have slightly 664 * different malloc/free namings (eg DragonflyBSD.) 665 */ 666 #define IEEE80211_MALLOC malloc 667 #define IEEE80211_FREE free 668 669 /* XXX TODO: get rid of WAITOK, fix all the users of it? */ 670 #define IEEE80211_M_NOWAIT M_NOWAIT 671 #define IEEE80211_M_WAITOK M_WAITOK 672 #define IEEE80211_M_ZERO M_ZERO 673 674 /* XXX TODO: the type fields */ 675 676 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 677