1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 #ifndef _NET80211_IEEE80211_FREEBSD_H_ 28 #define _NET80211_IEEE80211_FREEBSD_H_ 29 30 #ifdef _KERNEL 31 #include <sys/param.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 #include <sys/time.h> 40 41 #include <net/debugnet.h> 42 43 /* 44 * priv(9) NET80211 checks. 45 */ 46 struct ieee80211vap; 47 int ieee80211_priv_check_vap_getkey(u_long, struct ieee80211vap *, 48 struct ifnet *); 49 int ieee80211_priv_check_vap_manage(u_long, struct ieee80211vap *, 50 struct ifnet *); 51 int ieee80211_priv_check_vap_setmac(u_long, struct ieee80211vap *, 52 struct ifnet *); 53 int ieee80211_priv_check_create_vap(u_long, struct ieee80211vap *, 54 struct ifnet *); 55 56 /* 57 * Common state locking definitions. 58 */ 59 typedef struct { 60 char name[16]; /* e.g. "ath0_com_lock" */ 61 struct mtx mtx; 62 } ieee80211_com_lock_t; 63 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 64 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 65 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 66 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 67 } while (0) 68 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 69 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 70 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 71 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 72 #define IEEE80211_LOCK_ASSERT(_ic) \ 73 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 74 #define IEEE80211_UNLOCK_ASSERT(_ic) \ 75 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) 76 #define IEEE80211_IS_LOCKED(_ic) \ 77 mtx_owned(IEEE80211_LOCK_OBJ(_ic)) 78 79 /* 80 * Transmit lock. 81 * 82 * This is a (mostly) temporary lock designed to serialise all of the 83 * transmission operations throughout the stack. 84 */ 85 typedef struct { 86 char name[16]; /* e.g. "ath0_tx_lock" */ 87 struct mtx mtx; 88 } ieee80211_tx_lock_t; 89 #define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \ 90 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \ 91 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \ 92 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \ 93 } while (0) 94 #define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx) 95 #define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic)) 96 #define IEEE80211_TX_LOCK(_ic) do { \ 97 if (!IEEE80211_CONF_SEQNO_OFFLOAD(_ic)) \ 98 mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)); \ 99 } while (0); 100 #define IEEE80211_TX_UNLOCK(_ic) do { \ 101 if (!IEEE80211_CONF_SEQNO_OFFLOAD(_ic)) \ 102 mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)); \ 103 } while (0); 104 #define IEEE80211_TX_LOCK_ASSERT(_ic) do { \ 105 if (!IEEE80211_CONF_SEQNO_OFFLOAD(_ic)) \ 106 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED); \ 107 } while (0) 108 #define IEEE80211_TX_UNLOCK_ASSERT(_ic) { \ 109 if (!IEEE80211_CONF_SEQNO_OFFLOAD(_ic)) \ 110 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED); \ 111 } while (0) 112 113 /* 114 * Stageq / ni_tx_superg lock 115 */ 116 typedef struct { 117 char name[16]; /* e.g. "ath0_ff_lock" */ 118 struct mtx mtx; 119 } ieee80211_ff_lock_t; 120 #define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \ 121 ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \ 122 snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \ 123 mtx_init(&fl->mtx, fl->name, NULL, MTX_DEF); \ 124 } while (0) 125 #define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx) 126 #define IEEE80211_FF_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_FF_LOCK_OBJ(_ic)) 127 #define IEEE80211_FF_LOCK(_ic) mtx_lock(IEEE80211_FF_LOCK_OBJ(_ic)) 128 #define IEEE80211_FF_UNLOCK(_ic) mtx_unlock(IEEE80211_FF_LOCK_OBJ(_ic)) 129 #define IEEE80211_FF_LOCK_ASSERT(_ic) \ 130 mtx_assert(IEEE80211_FF_LOCK_OBJ(_ic), MA_OWNED) 131 132 /* 133 * Node locking definitions. 134 */ 135 typedef struct { 136 char name[16]; /* e.g. "ath0_node_lock" */ 137 struct mtx mtx; 138 } ieee80211_node_lock_t; 139 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 140 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 141 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 142 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 143 } while (0) 144 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 145 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 146 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 147 #define IEEE80211_NODE_LOCK(_nt) \ 148 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 149 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 150 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 151 #define IEEE80211_NODE_UNLOCK(_nt) \ 152 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 153 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 154 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 155 156 /* 157 * Power-save queue definitions. 158 */ 159 typedef struct mtx ieee80211_psq_lock_t; 160 #define IEEE80211_PSQ_INIT(_psq, _name) \ 161 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 162 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 163 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 164 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 165 166 #ifndef IF_PREPEND_LIST 167 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 168 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 169 if ((ifq)->ifq_tail == NULL) \ 170 (ifq)->ifq_tail = (mtail); \ 171 (ifq)->ifq_head = (mhead); \ 172 (ifq)->ifq_len += (mcount); \ 173 } while (0) 174 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 175 IF_LOCK(ifq); \ 176 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 177 IF_UNLOCK(ifq); \ 178 } while (0) 179 #endif /* IF_PREPEND_LIST */ 180 181 /* 182 * Age queue definitions. 183 */ 184 typedef struct mtx ieee80211_ageq_lock_t; 185 #define IEEE80211_AGEQ_INIT(_aq, _name) \ 186 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 187 #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 188 #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 189 #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 190 191 /* 192 * 802.1x MAC ACL database locking definitions. 193 */ 194 typedef struct mtx acl_lock_t; 195 #define ACL_LOCK_INIT(_as, _name) \ 196 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 197 #define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 198 #define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 199 #define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 200 #define ACL_LOCK_ASSERT(_as) \ 201 mtx_assert((&(_as)->as_lock), MA_OWNED) 202 203 /* 204 * Scan table definitions. 205 */ 206 typedef struct mtx ieee80211_scan_table_lock_t; 207 #define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 208 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 209 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 210 #define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 211 #define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 212 213 typedef struct mtx ieee80211_scan_iter_lock_t; 214 #define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \ 215 mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF) 216 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock) 217 #define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock) 218 #define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock) 219 220 /* 221 * Mesh node/routing definitions. 222 */ 223 typedef struct mtx ieee80211_rte_lock_t; 224 #define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \ 225 mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF) 226 #define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \ 227 mtx_destroy(&(_rt)->rt_lock) 228 #define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock) 229 #define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED) 230 #define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock) 231 232 typedef struct mtx ieee80211_rt_lock_t; 233 #define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock) 234 #define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED) 235 #define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock) 236 #define MESH_RT_LOCK_INIT(ms, name) \ 237 mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF) 238 #define MESH_RT_LOCK_DESTROY(ms) \ 239 mtx_destroy(&(ms)->ms_rt_lock) 240 241 /* 242 * Node reference counting definitions. 243 * 244 * ieee80211_node_initref initialize the reference count to 1 245 * ieee80211_node_incref add a reference 246 * ieee80211_node_decref remove a reference 247 * ieee80211_node_dectestref remove a reference and return 1 if this 248 * is the last reference, otherwise 0 249 * ieee80211_node_refcnt reference count for printing (only) 250 */ 251 #include <machine/atomic.h> 252 253 struct ieee80211vap; 254 int ieee80211_com_vincref(struct ieee80211vap *); 255 void ieee80211_com_vdecref(struct ieee80211vap *); 256 void ieee80211_com_vdetach(struct ieee80211vap *); 257 258 #define ieee80211_node_initref(_ni) \ 259 do { ((_ni)->ni_refcnt = 1); } while (0) 260 #define ieee80211_node_incref(_ni) \ 261 atomic_add_int(&(_ni)->ni_refcnt, 1) 262 #define ieee80211_node_decref(_ni) \ 263 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 264 struct ieee80211_node; 265 int ieee80211_node_dectestref(struct ieee80211_node *ni); 266 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 267 268 struct ifqueue; 269 void ieee80211_drain_ifq(struct ifqueue *); 270 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 271 272 void ieee80211_vap_destroy(struct ieee80211vap *); 273 const char * ieee80211_get_vap_ifname(struct ieee80211vap *); 274 275 #define IFNET_IS_UP_RUNNING(_ifp) \ 276 (((if_getflags(_ifp) & IFF_UP) != 0) && \ 277 ((if_getdrvflags(_ifp) & IFF_DRV_RUNNING) != 0)) 278 279 #define msecs_to_ticks(ms) MSEC_2_TICKS(ms) 280 #define ticks_to_msecs(t) TICKS_2_MSEC(t) 281 #define ticks_to_secs(t) ((t) / hz) 282 283 #define ieee80211_time_after(a,b) ((int)(b) - (int)(a) < 0) 284 #define ieee80211_time_before(a,b) ieee80211_time_after(b,a) 285 #define ieee80211_time_after_eq(a,b) ((int)(a) - (int)(b) >= 0) 286 #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) 287 288 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 289 290 /* tx path usage */ 291 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 292 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 293 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 294 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 295 #define M_FF M_PROTO6 /* fast frame / A-MSDU */ 296 #define M_TXCB M_PROTO7 /* do tx complete callback */ 297 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 298 #define M_FRAG M_PROTO9 /* frame fragmentation */ 299 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 300 #define M_LASTFRAG M_PROTO11 /* last frame fragment */ 301 302 #define M_80211_TX \ 303 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 304 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 305 306 /* rx path usage */ 307 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 308 #define M_WEP M_PROTO2 /* WEP done by hardware */ 309 #if 0 310 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 311 #endif 312 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 313 314 #define IEEE80211_MBUF_TX_FLAG_BITS \ 315 M_FLAG_BITS \ 316 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 317 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 318 319 #define IEEE80211_MBUF_RX_FLAG_BITS \ 320 M_FLAG_BITS \ 321 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 322 323 /* 324 * Store WME access control bits in the vlan tag. 325 * This is safe since it's done after the packet is classified 326 * (where we use any previous tag) and because it's passed 327 * directly in to the driver and there's no chance someone 328 * else will clobber them on us. 329 */ 330 #define M_WME_SETAC(m, ac) \ 331 ((m)->m_pkthdr.ether_vtag = (ac)) 332 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 333 334 /* 335 * Mbufs on the power save queue are tagged with an age and 336 * timed out. We reuse the hardware checksum field in the 337 * mbuf packet header to store this data. 338 */ 339 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 340 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 341 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 342 343 /* 344 * Store the sequence number. 345 */ 346 #define M_SEQNO_SET(m, seqno) \ 347 ((m)->m_pkthdr.tso_segsz = (seqno)) 348 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 349 350 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 351 352 struct ieee80211_cb { 353 void (*func)(struct ieee80211_node *, void *, int status); 354 void *arg; 355 }; 356 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 357 int ieee80211_add_callback(struct mbuf *m, 358 void (*func)(struct ieee80211_node *, void *, int), void *arg); 359 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 360 361 #define NET80211_TAG_XMIT_PARAMS 1 362 /* See below; this is after the bpf_params definition */ 363 364 #define NET80211_TAG_RECV_PARAMS 2 365 366 #define NET80211_TAG_TOA_PARAMS 3 367 368 struct ieee80211com; 369 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 370 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 371 372 void net80211_get_random_bytes(void *, size_t); 373 374 void ieee80211_sysctl_attach(struct ieee80211com *); 375 void ieee80211_sysctl_detach(struct ieee80211com *); 376 void ieee80211_sysctl_vattach(struct ieee80211vap *); 377 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 378 379 SYSCTL_DECL(_net_wlan); 380 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 381 382 void ieee80211_load_module(const char *); 383 384 /* 385 * A "policy module" is an adjunct module to net80211 that provides 386 * functionality that typically includes policy decisions. This 387 * modularity enables extensibility and vendor-supplied functionality. 388 */ 389 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 390 typedef void (*policy##_setup)(int); \ 391 SET_DECLARE(policy##_set, policy##_setup); \ 392 static int \ 393 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 394 { \ 395 policy##_setup * const *iter, f; \ 396 switch (type) { \ 397 case MOD_LOAD: \ 398 SET_FOREACH(iter, policy##_set) { \ 399 f = (void*) *iter; \ 400 f(type); \ 401 } \ 402 return 0; \ 403 case MOD_UNLOAD: \ 404 case MOD_QUIESCE: \ 405 if (nrefs) { \ 406 printf("wlan_" #name ": still in use " \ 407 "(%u dynamic refs)\n", nrefs); \ 408 return EBUSY; \ 409 } \ 410 if (type == MOD_UNLOAD) { \ 411 SET_FOREACH(iter, policy##_set) { \ 412 f = (void*) *iter; \ 413 f(type); \ 414 } \ 415 } \ 416 return 0; \ 417 } \ 418 return EINVAL; \ 419 } \ 420 static moduledata_t name##_mod = { \ 421 "wlan_" #name, \ 422 wlan_##name##_modevent, \ 423 0 \ 424 }; \ 425 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 426 MODULE_VERSION(wlan_##name, version); \ 427 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 428 429 /* 430 * Crypto modules implement cipher support. 431 */ 432 #define IEEE80211_CRYPTO_MODULE_ADD(name) \ 433 static void \ 434 name##_modevent(int type) \ 435 { \ 436 if (type == MOD_LOAD) \ 437 ieee80211_crypto_register(&name); \ 438 else \ 439 ieee80211_crypto_unregister(&name); \ 440 } \ 441 TEXT_SET(crypto##_set, name##_modevent) 442 443 #define IEEE80211_CRYPTO_MODULE(name, version) \ 444 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 445 IEEE80211_CRYPTO_MODULE_ADD(name) 446 447 /* 448 * Scanner modules provide scanning policy. 449 */ 450 #define IEEE80211_SCANNER_MODULE(name, version) \ 451 _IEEE80211_POLICY_MODULE(scanner, name, version) 452 453 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 454 static void \ 455 name##_modevent(int type) \ 456 { \ 457 if (type == MOD_LOAD) \ 458 ieee80211_scanner_register(alg, &v); \ 459 else \ 460 ieee80211_scanner_unregister(alg, &v); \ 461 } \ 462 TEXT_SET(scanner_set, name##_modevent); \ 463 464 /* 465 * ACL modules implement acl policy. 466 */ 467 #define IEEE80211_ACL_MODULE(name, alg, version) \ 468 _IEEE80211_POLICY_MODULE(acl, name, version); \ 469 static void \ 470 alg##_modevent(int type) \ 471 { \ 472 if (type == MOD_LOAD) \ 473 ieee80211_aclator_register(&alg); \ 474 else \ 475 ieee80211_aclator_unregister(&alg); \ 476 } \ 477 TEXT_SET(acl_set, alg##_modevent); \ 478 479 /* 480 * Authenticator modules handle 802.1x/WPA authentication. 481 */ 482 #define IEEE80211_AUTH_MODULE(name, version) \ 483 _IEEE80211_POLICY_MODULE(auth, name, version) 484 485 #define IEEE80211_AUTH_ALG(name, alg, v) \ 486 static void \ 487 name##_modevent(int type) \ 488 { \ 489 if (type == MOD_LOAD) \ 490 ieee80211_authenticator_register(alg, &v); \ 491 else \ 492 ieee80211_authenticator_unregister(alg); \ 493 } \ 494 TEXT_SET(auth_set, name##_modevent) 495 496 /* 497 * Rate control modules provide tx rate control support. 498 */ 499 #define IEEE80211_RATECTL_MODULE(alg, version) \ 500 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 501 502 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 503 static void \ 504 alg##_modevent(int type) \ 505 { \ 506 if (type == MOD_LOAD) \ 507 ieee80211_ratectl_register(alg, &v); \ 508 else \ 509 ieee80211_ratectl_unregister(alg); \ 510 } \ 511 TEXT_SET(ratectl##_set, alg##_modevent) 512 513 struct ieee80211req; 514 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 515 struct ieee80211req *); 516 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 517 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 518 519 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 520 struct ieee80211req *); 521 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 522 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 523 524 #ifdef DEBUGNET 525 typedef void debugnet80211_init_t(struct ieee80211com *, int *nrxr, int *ncl, 526 int *clsize); 527 typedef void debugnet80211_event_t(struct ieee80211com *, enum debugnet_ev); 528 typedef int debugnet80211_poll_t(struct ieee80211com *, int); 529 530 struct debugnet80211_methods { 531 debugnet80211_init_t *dn8_init; 532 debugnet80211_event_t *dn8_event; 533 debugnet80211_poll_t *dn8_poll; 534 }; 535 536 #define DEBUGNET80211_DEFINE(driver) \ 537 static debugnet80211_init_t driver##_debugnet80211_init; \ 538 static debugnet80211_event_t driver##_debugnet80211_event; \ 539 static debugnet80211_poll_t driver##_debugnet80211_poll; \ 540 \ 541 static struct debugnet80211_methods driver##_debugnet80211_methods = { \ 542 .dn8_init = driver##_debugnet80211_init, \ 543 .dn8_event = driver##_debugnet80211_event, \ 544 .dn8_poll = driver##_debugnet80211_poll, \ 545 } 546 #define DEBUGNET80211_SET(ic, driver) \ 547 (ic)->ic_debugnet_meth = &driver##_debugnet80211_methods 548 #else 549 #define DEBUGNET80211_DEFINE(driver) 550 #define DEBUGNET80211_SET(ic, driver) 551 #endif /* DEBUGNET */ 552 553 void ieee80211_vap_sync_mac_address(struct ieee80211vap *); 554 void ieee80211_vap_copy_mac_address(struct ieee80211vap *); 555 void ieee80211_vap_deliver_data(struct ieee80211vap *, struct mbuf *); 556 bool ieee80211_vap_ifp_check_is_monitor(struct ieee80211vap *); 557 bool ieee80211_vap_ifp_check_is_simplex(struct ieee80211vap *); 558 bool ieee80211_vap_ifp_check_is_running(struct ieee80211vap *); 559 void ieee80211_vap_ifp_set_running_state(struct ieee80211vap *, bool); 560 const uint8_t * ieee80211_vap_get_broadcast_address(struct ieee80211vap *); 561 562 void net80211_printf(const char *fmt, ...) __printflike(1, 2); 563 void net80211_vap_printf(const struct ieee80211vap *, const char *fmt, ...) 564 __printflike(2, 3); 565 void net80211_ic_printf(const struct ieee80211com *, const char *fmt, ...) 566 __printflike(2, 3); 567 568 #endif /* _KERNEL */ 569 570 /* XXX this stuff belongs elsewhere */ 571 /* 572 * Message formats for messages from the net80211 layer to user 573 * applications via the routing socket. These messages are appended 574 * to an if_announcemsghdr structure. 575 */ 576 struct ieee80211_join_event { 577 uint8_t iev_addr[6]; 578 }; 579 580 struct ieee80211_leave_event { 581 uint8_t iev_addr[6]; 582 }; 583 584 struct ieee80211_replay_event { 585 uint8_t iev_src[6]; /* src MAC */ 586 uint8_t iev_dst[6]; /* dst MAC */ 587 uint8_t iev_cipher; /* cipher type */ 588 uint8_t iev_keyix; /* key id/index */ 589 uint64_t iev_keyrsc; /* RSC from key */ 590 uint64_t iev_rsc; /* RSC from frame */ 591 }; 592 593 struct ieee80211_michael_event { 594 uint8_t iev_src[6]; /* src MAC */ 595 uint8_t iev_dst[6]; /* dst MAC */ 596 uint8_t iev_cipher; /* cipher type */ 597 uint8_t iev_keyix; /* key id/index */ 598 }; 599 600 struct ieee80211_wds_event { 601 uint8_t iev_addr[6]; 602 }; 603 604 struct ieee80211_csa_event { 605 uint32_t iev_flags; /* channel flags */ 606 uint16_t iev_freq; /* setting in Mhz */ 607 uint8_t iev_ieee; /* IEEE channel number */ 608 uint8_t iev_mode; /* CSA mode */ 609 uint8_t iev_count; /* CSA count */ 610 }; 611 612 struct ieee80211_cac_event { 613 uint32_t iev_flags; /* channel flags */ 614 uint16_t iev_freq; /* setting in Mhz */ 615 uint8_t iev_ieee; /* IEEE channel number */ 616 /* XXX timestamp? */ 617 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 618 }; 619 620 struct ieee80211_radar_event { 621 uint32_t iev_flags; /* channel flags */ 622 uint16_t iev_freq; /* setting in Mhz */ 623 uint8_t iev_ieee; /* IEEE channel number */ 624 /* XXX timestamp? */ 625 }; 626 627 struct ieee80211_auth_event { 628 uint8_t iev_addr[6]; 629 }; 630 631 struct ieee80211_deauth_event { 632 uint8_t iev_addr[6]; 633 }; 634 635 struct ieee80211_country_event { 636 uint8_t iev_addr[6]; 637 uint8_t iev_cc[2]; /* ISO country code */ 638 }; 639 640 struct ieee80211_radio_event { 641 uint8_t iev_state; /* 1 on, 0 off */ 642 }; 643 644 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 645 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 646 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 647 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 648 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 649 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 650 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 651 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 652 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 653 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 654 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 655 #define RTM_IEEE80211_RADAR 111 /* radar event */ 656 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 657 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 658 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 659 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 660 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 661 662 /* 663 * Structure prepended to raw packets sent through the bpf 664 * interface when set to DLT_IEEE802_11_RADIO. This allows 665 * user applications to specify pretty much everything in 666 * an Atheros tx descriptor. XXX need to generalize. 667 * 668 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 669 * XXX sa_data area. 670 */ 671 struct ieee80211_bpf_params { 672 uint8_t ibp_vers; /* version */ 673 #define IEEE80211_BPF_VERSION 0 674 uint8_t ibp_len; /* header length in bytes */ 675 uint8_t ibp_flags; 676 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 677 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 678 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 679 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 680 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 681 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 682 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 683 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 684 uint8_t ibp_try0; /* series 1 try count */ 685 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 686 uint8_t ibp_power; /* tx power (device units) */ 687 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 688 uint8_t ibp_try1; /* series 2 try count */ 689 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 690 uint8_t ibp_try2; /* series 3 try count */ 691 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 692 uint8_t ibp_try3; /* series 4 try count */ 693 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 694 }; 695 696 #ifdef _KERNEL 697 struct ieee80211_tx_params { 698 struct ieee80211_bpf_params params; 699 }; 700 int ieee80211_add_xmit_params(struct mbuf *m, 701 const struct ieee80211_bpf_params *); 702 int ieee80211_get_xmit_params(struct mbuf *m, 703 struct ieee80211_bpf_params *); 704 705 struct ieee80211_rx_params; 706 struct ieee80211_rx_stats; 707 708 int ieee80211_add_rx_params(struct mbuf *m, 709 const struct ieee80211_rx_stats *rxs); 710 int ieee80211_get_rx_params(struct mbuf *m, 711 struct ieee80211_rx_stats *rxs); 712 const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m); 713 714 struct ieee80211_toa_params { 715 int request_id; 716 }; 717 int ieee80211_add_toa_params(struct mbuf *m, 718 const struct ieee80211_toa_params *p); 719 int ieee80211_get_toa_params(struct mbuf *m, 720 struct ieee80211_toa_params *p); 721 722 #define IEEE80211_F_SURVEY_TIME 0x00000001 723 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002 724 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004 725 #define IEEE80211_F_SURVEY_TSC 0x00000008 726 struct ieee80211_channel_survey { 727 uint32_t s_flags; 728 uint32_t s_time; 729 uint32_t s_time_busy; 730 int32_t s_noise; 731 uint64_t s_tsc; 732 }; 733 734 #endif /* _KERNEL */ 735 736 /* 737 * Malloc API. Other BSD operating systems have slightly 738 * different malloc/free namings (eg DragonflyBSD.) 739 */ 740 #define IEEE80211_MALLOC malloc 741 #define IEEE80211_FREE free 742 743 /* XXX TODO: get rid of WAITOK, fix all the users of it? */ 744 #define IEEE80211_M_NOWAIT M_NOWAIT 745 #define IEEE80211_M_WAITOK M_WAITOK 746 #define IEEE80211_M_ZERO M_ZERO 747 748 /* XXX TODO: the type fields */ 749 750 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 751