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 const char * ieee80211_get_vap_ifname(struct ieee80211vap *); 249 250 #define IFNET_IS_UP_RUNNING(_ifp) \ 251 (((_ifp)->if_flags & IFF_UP) && \ 252 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 253 254 #define msecs_to_ticks(ms) MSEC_2_TICKS(ms) 255 #define ticks_to_msecs(t) TICKS_2_MSEC(t) 256 #define ticks_to_secs(t) ((t) / hz) 257 258 #define ieee80211_time_after(a,b) ((int)(b) - (int)(a) < 0) 259 #define ieee80211_time_before(a,b) ieee80211_time_after(b,a) 260 #define ieee80211_time_after_eq(a,b) ((int)(a) - (int)(b) >= 0) 261 #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) 262 263 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 264 265 /* tx path usage */ 266 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 267 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 268 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 269 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 270 #define M_FF M_PROTO6 /* fast frame / A-MSDU */ 271 #define M_TXCB M_PROTO7 /* do tx complete callback */ 272 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 273 #define M_FRAG M_PROTO9 /* frame fragmentation */ 274 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 275 #define M_LASTFRAG M_PROTO11 /* last frame fragment */ 276 277 #define M_80211_TX \ 278 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 279 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 280 281 /* rx path usage */ 282 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 283 #define M_WEP M_PROTO2 /* WEP done by hardware */ 284 #if 0 285 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 286 #endif 287 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 288 289 #define IEEE80211_MBUF_TX_FLAG_BITS \ 290 M_FLAG_BITS \ 291 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 292 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 293 294 #define IEEE80211_MBUF_RX_FLAG_BITS \ 295 M_FLAG_BITS \ 296 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 297 298 /* 299 * Store WME access control bits in the vlan tag. 300 * This is safe since it's done after the packet is classified 301 * (where we use any previous tag) and because it's passed 302 * directly in to the driver and there's no chance someone 303 * else will clobber them on us. 304 */ 305 #define M_WME_SETAC(m, ac) \ 306 ((m)->m_pkthdr.ether_vtag = (ac)) 307 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 308 309 /* 310 * Mbufs on the power save queue are tagged with an age and 311 * timed out. We reuse the hardware checksum field in the 312 * mbuf packet header to store this data. 313 */ 314 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 315 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 316 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 317 318 /* 319 * Store the sequence number. 320 */ 321 #define M_SEQNO_SET(m, seqno) \ 322 ((m)->m_pkthdr.tso_segsz = (seqno)) 323 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 324 325 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 326 327 struct ieee80211_cb { 328 void (*func)(struct ieee80211_node *, void *, int status); 329 void *arg; 330 }; 331 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 332 int ieee80211_add_callback(struct mbuf *m, 333 void (*func)(struct ieee80211_node *, void *, int), void *arg); 334 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 335 336 #define NET80211_TAG_XMIT_PARAMS 1 337 /* See below; this is after the bpf_params definition */ 338 339 #define NET80211_TAG_RECV_PARAMS 2 340 341 #define NET80211_TAG_TOA_PARAMS 3 342 343 struct ieee80211com; 344 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 345 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 346 347 void get_random_bytes(void *, size_t); 348 349 void ieee80211_sysctl_attach(struct ieee80211com *); 350 void ieee80211_sysctl_detach(struct ieee80211com *); 351 void ieee80211_sysctl_vattach(struct ieee80211vap *); 352 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 353 354 SYSCTL_DECL(_net_wlan); 355 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 356 357 void ieee80211_load_module(const char *); 358 359 /* 360 * A "policy module" is an adjunct module to net80211 that provides 361 * functionality that typically includes policy decisions. This 362 * modularity enables extensibility and vendor-supplied functionality. 363 */ 364 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 365 typedef void (*policy##_setup)(int); \ 366 SET_DECLARE(policy##_set, policy##_setup); \ 367 static int \ 368 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 369 { \ 370 policy##_setup * const *iter, f; \ 371 switch (type) { \ 372 case MOD_LOAD: \ 373 SET_FOREACH(iter, policy##_set) { \ 374 f = (void*) *iter; \ 375 f(type); \ 376 } \ 377 return 0; \ 378 case MOD_UNLOAD: \ 379 case MOD_QUIESCE: \ 380 if (nrefs) { \ 381 printf("wlan_" #name ": still in use " \ 382 "(%u dynamic refs)\n", nrefs); \ 383 return EBUSY; \ 384 } \ 385 if (type == MOD_UNLOAD) { \ 386 SET_FOREACH(iter, policy##_set) { \ 387 f = (void*) *iter; \ 388 f(type); \ 389 } \ 390 } \ 391 return 0; \ 392 } \ 393 return EINVAL; \ 394 } \ 395 static moduledata_t name##_mod = { \ 396 "wlan_" #name, \ 397 wlan_##name##_modevent, \ 398 0 \ 399 }; \ 400 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 401 MODULE_VERSION(wlan_##name, version); \ 402 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 403 404 /* 405 * Crypto modules implement cipher support. 406 */ 407 #define IEEE80211_CRYPTO_MODULE(name, version) \ 408 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 409 static void \ 410 name##_modevent(int type) \ 411 { \ 412 if (type == MOD_LOAD) \ 413 ieee80211_crypto_register(&name); \ 414 else \ 415 ieee80211_crypto_unregister(&name); \ 416 } \ 417 TEXT_SET(crypto##_set, name##_modevent) 418 419 /* 420 * Scanner modules provide scanning policy. 421 */ 422 #define IEEE80211_SCANNER_MODULE(name, version) \ 423 _IEEE80211_POLICY_MODULE(scanner, name, version) 424 425 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 426 static void \ 427 name##_modevent(int type) \ 428 { \ 429 if (type == MOD_LOAD) \ 430 ieee80211_scanner_register(alg, &v); \ 431 else \ 432 ieee80211_scanner_unregister(alg, &v); \ 433 } \ 434 TEXT_SET(scanner_set, name##_modevent); \ 435 436 /* 437 * ACL modules implement acl policy. 438 */ 439 #define IEEE80211_ACL_MODULE(name, alg, version) \ 440 _IEEE80211_POLICY_MODULE(acl, name, version); \ 441 static void \ 442 alg##_modevent(int type) \ 443 { \ 444 if (type == MOD_LOAD) \ 445 ieee80211_aclator_register(&alg); \ 446 else \ 447 ieee80211_aclator_unregister(&alg); \ 448 } \ 449 TEXT_SET(acl_set, alg##_modevent); \ 450 451 /* 452 * Authenticator modules handle 802.1x/WPA authentication. 453 */ 454 #define IEEE80211_AUTH_MODULE(name, version) \ 455 _IEEE80211_POLICY_MODULE(auth, name, version) 456 457 #define IEEE80211_AUTH_ALG(name, alg, v) \ 458 static void \ 459 name##_modevent(int type) \ 460 { \ 461 if (type == MOD_LOAD) \ 462 ieee80211_authenticator_register(alg, &v); \ 463 else \ 464 ieee80211_authenticator_unregister(alg); \ 465 } \ 466 TEXT_SET(auth_set, name##_modevent) 467 468 /* 469 * Rate control modules provide tx rate control support. 470 */ 471 #define IEEE80211_RATECTL_MODULE(alg, version) \ 472 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 473 474 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 475 static void \ 476 alg##_modevent(int type) \ 477 { \ 478 if (type == MOD_LOAD) \ 479 ieee80211_ratectl_register(alg, &v); \ 480 else \ 481 ieee80211_ratectl_unregister(alg); \ 482 } \ 483 TEXT_SET(ratectl##_set, alg##_modevent) 484 485 struct ieee80211req; 486 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 487 struct ieee80211req *); 488 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 489 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 490 491 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 492 struct ieee80211req *); 493 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 494 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 495 #endif /* _KERNEL */ 496 497 /* XXX this stuff belongs elsewhere */ 498 /* 499 * Message formats for messages from the net80211 layer to user 500 * applications via the routing socket. These messages are appended 501 * to an if_announcemsghdr structure. 502 */ 503 struct ieee80211_join_event { 504 uint8_t iev_addr[6]; 505 }; 506 507 struct ieee80211_leave_event { 508 uint8_t iev_addr[6]; 509 }; 510 511 struct ieee80211_replay_event { 512 uint8_t iev_src[6]; /* src MAC */ 513 uint8_t iev_dst[6]; /* dst MAC */ 514 uint8_t iev_cipher; /* cipher type */ 515 uint8_t iev_keyix; /* key id/index */ 516 uint64_t iev_keyrsc; /* RSC from key */ 517 uint64_t iev_rsc; /* RSC from frame */ 518 }; 519 520 struct ieee80211_michael_event { 521 uint8_t iev_src[6]; /* src MAC */ 522 uint8_t iev_dst[6]; /* dst MAC */ 523 uint8_t iev_cipher; /* cipher type */ 524 uint8_t iev_keyix; /* key id/index */ 525 }; 526 527 struct ieee80211_wds_event { 528 uint8_t iev_addr[6]; 529 }; 530 531 struct ieee80211_csa_event { 532 uint32_t iev_flags; /* channel flags */ 533 uint16_t iev_freq; /* setting in Mhz */ 534 uint8_t iev_ieee; /* IEEE channel number */ 535 uint8_t iev_mode; /* CSA mode */ 536 uint8_t iev_count; /* CSA count */ 537 }; 538 539 struct ieee80211_cac_event { 540 uint32_t iev_flags; /* channel flags */ 541 uint16_t iev_freq; /* setting in Mhz */ 542 uint8_t iev_ieee; /* IEEE channel number */ 543 /* XXX timestamp? */ 544 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 545 }; 546 547 struct ieee80211_radar_event { 548 uint32_t iev_flags; /* channel flags */ 549 uint16_t iev_freq; /* setting in Mhz */ 550 uint8_t iev_ieee; /* IEEE channel number */ 551 /* XXX timestamp? */ 552 }; 553 554 struct ieee80211_auth_event { 555 uint8_t iev_addr[6]; 556 }; 557 558 struct ieee80211_deauth_event { 559 uint8_t iev_addr[6]; 560 }; 561 562 struct ieee80211_country_event { 563 uint8_t iev_addr[6]; 564 uint8_t iev_cc[2]; /* ISO country code */ 565 }; 566 567 struct ieee80211_radio_event { 568 uint8_t iev_state; /* 1 on, 0 off */ 569 }; 570 571 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 572 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 573 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 574 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 575 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 576 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 577 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 578 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 579 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 580 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 581 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 582 #define RTM_IEEE80211_RADAR 111 /* radar event */ 583 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 584 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 585 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 586 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 587 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 588 589 /* 590 * Structure prepended to raw packets sent through the bpf 591 * interface when set to DLT_IEEE802_11_RADIO. This allows 592 * user applications to specify pretty much everything in 593 * an Atheros tx descriptor. XXX need to generalize. 594 * 595 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 596 * XXX sa_data area. 597 */ 598 struct ieee80211_bpf_params { 599 uint8_t ibp_vers; /* version */ 600 #define IEEE80211_BPF_VERSION 0 601 uint8_t ibp_len; /* header length in bytes */ 602 uint8_t ibp_flags; 603 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 604 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 605 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 606 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 607 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 608 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 609 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 610 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 611 uint8_t ibp_try0; /* series 1 try count */ 612 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 613 uint8_t ibp_power; /* tx power (device units) */ 614 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 615 uint8_t ibp_try1; /* series 2 try count */ 616 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 617 uint8_t ibp_try2; /* series 3 try count */ 618 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 619 uint8_t ibp_try3; /* series 4 try count */ 620 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 621 }; 622 623 #ifdef _KERNEL 624 struct ieee80211_tx_params { 625 struct ieee80211_bpf_params params; 626 }; 627 int ieee80211_add_xmit_params(struct mbuf *m, 628 const struct ieee80211_bpf_params *); 629 int ieee80211_get_xmit_params(struct mbuf *m, 630 struct ieee80211_bpf_params *); 631 632 struct ieee80211_rx_params; 633 struct ieee80211_rx_stats; 634 635 int ieee80211_add_rx_params(struct mbuf *m, 636 const struct ieee80211_rx_stats *rxs); 637 int ieee80211_get_rx_params(struct mbuf *m, 638 struct ieee80211_rx_stats *rxs); 639 const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m); 640 641 struct ieee80211_toa_params { 642 int request_id; 643 }; 644 int ieee80211_add_toa_params(struct mbuf *m, 645 const struct ieee80211_toa_params *p); 646 int ieee80211_get_toa_params(struct mbuf *m, 647 struct ieee80211_toa_params *p); 648 649 #define IEEE80211_F_SURVEY_TIME 0x00000001 650 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002 651 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004 652 #define IEEE80211_F_SURVEY_TSC 0x00000008 653 struct ieee80211_channel_survey { 654 uint32_t s_flags; 655 uint32_t s_time; 656 uint32_t s_time_busy; 657 int32_t s_noise; 658 uint64_t s_tsc; 659 }; 660 661 #endif /* _KERNEL */ 662 663 /* 664 * Malloc API. Other BSD operating systems have slightly 665 * different malloc/free namings (eg DragonflyBSD.) 666 */ 667 #define IEEE80211_MALLOC malloc 668 #define IEEE80211_FREE free 669 670 /* XXX TODO: get rid of WAITOK, fix all the users of it? */ 671 #define IEEE80211_M_NOWAIT M_NOWAIT 672 #define IEEE80211_M_WAITOK M_WAITOK 673 #define IEEE80211_M_ZERO M_ZERO 674 675 /* XXX TODO: the type fields */ 676 677 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 678