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sys/net80211/ieee80211_freebsd.h
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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 #include <net/debugnet.h> 44 45 /* 46 * priv(9) NET80211 checks. 47 */ 48 struct ieee80211vap; 49 int ieee80211_priv_check_vap_getkey(u_long, struct ieee80211vap *, 50 struct ifnet *); 51 int ieee80211_priv_check_vap_manage(u_long, struct ieee80211vap *, 52 struct ifnet *); 53 int ieee80211_priv_check_vap_setmac(u_long, struct ieee80211vap *, 54 struct ifnet *); 55 int ieee80211_priv_check_create_vap(u_long, struct ieee80211vap *, 56 struct ifnet *); 57 58 /* 59 * Common state locking definitions. 60 */ 61 typedef struct { 62 char name[16]; /* e.g. "ath0_com_lock" */ 63 struct mtx mtx; 64 } ieee80211_com_lock_t; 65 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 66 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 67 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 68 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 69 } while (0) 70 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 71 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 72 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 73 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 74 #define IEEE80211_LOCK_ASSERT(_ic) \ 75 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 76 #define IEEE80211_UNLOCK_ASSERT(_ic) \ 77 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) 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) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)) 97 #define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)) 98 #define IEEE80211_TX_LOCK_ASSERT(_ic) \ 99 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED) 100 #define IEEE80211_TX_UNLOCK_ASSERT(_ic) \ 101 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED) 102 103 /* 104 * Stageq / ni_tx_superg lock 105 */ 106 typedef struct { 107 char name[16]; /* e.g. "ath0_ff_lock" */ 108 struct mtx mtx; 109 } ieee80211_ff_lock_t; 110 #define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \ 111 ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \ 112 snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \ 113 mtx_init(&fl->mtx, fl->name, NULL, MTX_DEF); \ 114 } while (0) 115 #define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx) 116 #define IEEE80211_FF_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_FF_LOCK_OBJ(_ic)) 117 #define IEEE80211_FF_LOCK(_ic) mtx_lock(IEEE80211_FF_LOCK_OBJ(_ic)) 118 #define IEEE80211_FF_UNLOCK(_ic) mtx_unlock(IEEE80211_FF_LOCK_OBJ(_ic)) 119 #define IEEE80211_FF_LOCK_ASSERT(_ic) \ 120 mtx_assert(IEEE80211_FF_LOCK_OBJ(_ic), MA_OWNED) 121 122 /* 123 * Node locking definitions. 124 */ 125 typedef struct { 126 char name[16]; /* e.g. "ath0_node_lock" */ 127 struct mtx mtx; 128 } ieee80211_node_lock_t; 129 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 130 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 131 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 132 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 133 } while (0) 134 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 135 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 136 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 137 #define IEEE80211_NODE_LOCK(_nt) \ 138 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 139 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 140 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 141 #define IEEE80211_NODE_UNLOCK(_nt) \ 142 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 143 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 144 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 145 146 /* 147 * Power-save queue definitions. 148 */ 149 typedef struct mtx ieee80211_psq_lock_t; 150 #define IEEE80211_PSQ_INIT(_psq, _name) \ 151 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 152 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 153 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 154 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 155 156 #ifndef IF_PREPEND_LIST 157 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 158 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 159 if ((ifq)->ifq_tail == NULL) \ 160 (ifq)->ifq_tail = (mtail); \ 161 (ifq)->ifq_head = (mhead); \ 162 (ifq)->ifq_len += (mcount); \ 163 } while (0) 164 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 165 IF_LOCK(ifq); \ 166 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 167 IF_UNLOCK(ifq); \ 168 } while (0) 169 #endif /* IF_PREPEND_LIST */ 170 171 /* 172 * Age queue definitions. 173 */ 174 typedef struct mtx ieee80211_ageq_lock_t; 175 #define IEEE80211_AGEQ_INIT(_aq, _name) \ 176 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 177 #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 178 #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 179 #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 180 181 /* 182 * 802.1x MAC ACL database locking definitions. 183 */ 184 typedef struct mtx acl_lock_t; 185 #define ACL_LOCK_INIT(_as, _name) \ 186 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 187 #define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 188 #define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 189 #define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 190 #define ACL_LOCK_ASSERT(_as) \ 191 mtx_assert((&(_as)->as_lock), MA_OWNED) 192 193 /* 194 * Scan table definitions. 195 */ 196 typedef struct mtx ieee80211_scan_table_lock_t; 197 #define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 198 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 199 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 200 #define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 201 #define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 202 203 typedef struct mtx ieee80211_scan_iter_lock_t; 204 #define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \ 205 mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF) 206 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock) 207 #define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock) 208 #define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock) 209 210 /* 211 * Mesh node/routing definitions. 212 */ 213 typedef struct mtx ieee80211_rte_lock_t; 214 #define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \ 215 mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF) 216 #define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \ 217 mtx_destroy(&(_rt)->rt_lock) 218 #define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock) 219 #define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED) 220 #define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock) 221 222 typedef struct mtx ieee80211_rt_lock_t; 223 #define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock) 224 #define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED) 225 #define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock) 226 #define MESH_RT_LOCK_INIT(ms, name) \ 227 mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF) 228 #define MESH_RT_LOCK_DESTROY(ms) \ 229 mtx_destroy(&(ms)->ms_rt_lock) 230 231 /* 232 * Node reference counting definitions. 233 * 234 * ieee80211_node_initref initialize the reference count to 1 235 * ieee80211_node_incref add a reference 236 * ieee80211_node_decref remove a reference 237 * ieee80211_node_dectestref remove a reference and return 1 if this 238 * is the last reference, otherwise 0 239 * ieee80211_node_refcnt reference count for printing (only) 240 */ 241 #include <machine/atomic.h> 242 243 struct ieee80211vap; 244 int ieee80211_com_vincref(struct ieee80211vap *); 245 void ieee80211_com_vdecref(struct ieee80211vap *); 246 void ieee80211_com_vdetach(struct ieee80211vap *); 247 248 #define ieee80211_node_initref(_ni) \ 249 do { ((_ni)->ni_refcnt = 1); } while (0) 250 #define ieee80211_node_incref(_ni) \ 251 atomic_add_int(&(_ni)->ni_refcnt, 1) 252 #define ieee80211_node_decref(_ni) \ 253 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 254 struct ieee80211_node; 255 int ieee80211_node_dectestref(struct ieee80211_node *ni); 256 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 257 258 struct ifqueue; 259 void ieee80211_drain_ifq(struct ifqueue *); 260 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 261 262 void ieee80211_vap_destroy(struct ieee80211vap *); 263 const char * ieee80211_get_vap_ifname(struct ieee80211vap *); 264 265 #define IFNET_IS_UP_RUNNING(_ifp) \ 266 (((_ifp)->if_flags & IFF_UP) && \ 267 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 268 269 #define msecs_to_ticks(ms) MSEC_2_TICKS(ms) 270 #define ticks_to_msecs(t) TICKS_2_MSEC(t) 271 #define ticks_to_secs(t) ((t) / hz) 272 273 #define ieee80211_time_after(a,b) ((int)(b) - (int)(a) < 0) 274 #define ieee80211_time_before(a,b) ieee80211_time_after(b,a) 275 #define ieee80211_time_after_eq(a,b) ((int)(a) - (int)(b) >= 0) 276 #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) 277 278 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 279 280 /* tx path usage */ 281 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 282 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 283 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 284 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 285 #define M_FF M_PROTO6 /* fast frame / A-MSDU */ 286 #define M_TXCB M_PROTO7 /* do tx complete callback */ 287 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 288 #define M_FRAG M_PROTO9 /* frame fragmentation */ 289 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 290 #define M_LASTFRAG M_PROTO11 /* last frame fragment */ 291 292 #define M_80211_TX \ 293 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 294 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 295 296 /* rx path usage */ 297 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 298 #define M_WEP M_PROTO2 /* WEP done by hardware */ 299 #if 0 300 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 301 #endif 302 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 303 304 #define IEEE80211_MBUF_TX_FLAG_BITS \ 305 M_FLAG_BITS \ 306 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 307 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 308 309 #define IEEE80211_MBUF_RX_FLAG_BITS \ 310 M_FLAG_BITS \ 311 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 312 313 /* 314 * Store WME access control bits in the vlan tag. 315 * This is safe since it's done after the packet is classified 316 * (where we use any previous tag) and because it's passed 317 * directly in to the driver and there's no chance someone 318 * else will clobber them on us. 319 */ 320 #define M_WME_SETAC(m, ac) \ 321 ((m)->m_pkthdr.ether_vtag = (ac)) 322 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 323 324 /* 325 * Mbufs on the power save queue are tagged with an age and 326 * timed out. We reuse the hardware checksum field in the 327 * mbuf packet header to store this data. 328 */ 329 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 330 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 331 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 332 333 /* 334 * Store the sequence number. 335 */ 336 #define M_SEQNO_SET(m, seqno) \ 337 ((m)->m_pkthdr.tso_segsz = (seqno)) 338 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 339 340 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 341 342 struct ieee80211_cb { 343 void (*func)(struct ieee80211_node *, void *, int status); 344 void *arg; 345 }; 346 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 347 int ieee80211_add_callback(struct mbuf *m, 348 void (*func)(struct ieee80211_node *, void *, int), void *arg); 349 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 350 351 #define NET80211_TAG_XMIT_PARAMS 1 352 /* See below; this is after the bpf_params definition */ 353 354 #define NET80211_TAG_RECV_PARAMS 2 355 356 #define NET80211_TAG_TOA_PARAMS 3 357 358 struct ieee80211com; 359 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 360 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 361 362 void get_random_bytes(void *, size_t); 363 364 void ieee80211_sysctl_attach(struct ieee80211com *); 365 void ieee80211_sysctl_detach(struct ieee80211com *); 366 void ieee80211_sysctl_vattach(struct ieee80211vap *); 367 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 368 369 SYSCTL_DECL(_net_wlan); 370 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 371 372 void ieee80211_load_module(const char *); 373 374 /* 375 * A "policy module" is an adjunct module to net80211 that provides 376 * functionality that typically includes policy decisions. This 377 * modularity enables extensibility and vendor-supplied functionality. 378 */ 379 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 380 typedef void (*policy##_setup)(int); \ 381 SET_DECLARE(policy##_set, policy##_setup); \ 382 static int \ 383 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 384 { \ 385 policy##_setup * const *iter, f; \ 386 switch (type) { \ 387 case MOD_LOAD: \ 388 SET_FOREACH(iter, policy##_set) { \ 389 f = (void*) *iter; \ 390 f(type); \ 391 } \ 392 return 0; \ 393 case MOD_UNLOAD: \ 394 case MOD_QUIESCE: \ 395 if (nrefs) { \ 396 printf("wlan_" #name ": still in use " \ 397 "(%u dynamic refs)\n", nrefs); \ 398 return EBUSY; \ 399 } \ 400 if (type == MOD_UNLOAD) { \ 401 SET_FOREACH(iter, policy##_set) { \ 402 f = (void*) *iter; \ 403 f(type); \ 404 } \ 405 } \ 406 return 0; \ 407 } \ 408 return EINVAL; \ 409 } \ 410 static moduledata_t name##_mod = { \ 411 "wlan_" #name, \ 412 wlan_##name##_modevent, \ 413 0 \ 414 }; \ 415 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 416 MODULE_VERSION(wlan_##name, version); \ 417 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 418 419 /* 420 * Crypto modules implement cipher support. 421 */ 422 #define IEEE80211_CRYPTO_MODULE(name, version) \ 423 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 424 static void \ 425 name##_modevent(int type) \ 426 { \ 427 if (type == MOD_LOAD) \ 428 ieee80211_crypto_register(&name); \ 429 else \ 430 ieee80211_crypto_unregister(&name); \ 431 } \ 432 TEXT_SET(crypto##_set, name##_modevent) 433 434 /* 435 * Scanner modules provide scanning policy. 436 */ 437 #define IEEE80211_SCANNER_MODULE(name, version) \ 438 _IEEE80211_POLICY_MODULE(scanner, name, version) 439 440 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 441 static void \ 442 name##_modevent(int type) \ 443 { \ 444 if (type == MOD_LOAD) \ 445 ieee80211_scanner_register(alg, &v); \ 446 else \ 447 ieee80211_scanner_unregister(alg, &v); \ 448 } \ 449 TEXT_SET(scanner_set, name##_modevent); \ 450 451 /* 452 * ACL modules implement acl policy. 453 */ 454 #define IEEE80211_ACL_MODULE(name, alg, version) \ 455 _IEEE80211_POLICY_MODULE(acl, name, version); \ 456 static void \ 457 alg##_modevent(int type) \ 458 { \ 459 if (type == MOD_LOAD) \ 460 ieee80211_aclator_register(&alg); \ 461 else \ 462 ieee80211_aclator_unregister(&alg); \ 463 } \ 464 TEXT_SET(acl_set, alg##_modevent); \ 465 466 /* 467 * Authenticator modules handle 802.1x/WPA authentication. 468 */ 469 #define IEEE80211_AUTH_MODULE(name, version) \ 470 _IEEE80211_POLICY_MODULE(auth, name, version) 471 472 #define IEEE80211_AUTH_ALG(name, alg, v) \ 473 static void \ 474 name##_modevent(int type) \ 475 { \ 476 if (type == MOD_LOAD) \ 477 ieee80211_authenticator_register(alg, &v); \ 478 else \ 479 ieee80211_authenticator_unregister(alg); \ 480 } \ 481 TEXT_SET(auth_set, name##_modevent) 482 483 /* 484 * Rate control modules provide tx rate control support. 485 */ 486 #define IEEE80211_RATECTL_MODULE(alg, version) \ 487 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 488 489 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 490 static void \ 491 alg##_modevent(int type) \ 492 { \ 493 if (type == MOD_LOAD) \ 494 ieee80211_ratectl_register(alg, &v); \ 495 else \ 496 ieee80211_ratectl_unregister(alg); \ 497 } \ 498 TEXT_SET(ratectl##_set, alg##_modevent) 499 500 struct ieee80211req; 501 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 502 struct ieee80211req *); 503 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 504 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 505 506 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 507 struct ieee80211req *); 508 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 509 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 510 511 #ifdef DEBUGNET 512 typedef void debugnet80211_init_t(struct ieee80211com *, int *nrxr, int *ncl, 513 int *clsize); 514 typedef void debugnet80211_event_t(struct ieee80211com *, enum debugnet_ev); 515 typedef int debugnet80211_poll_t(struct ieee80211com *, int); 516 517 struct debugnet80211_methods { 518 debugnet80211_init_t *dn8_init; 519 debugnet80211_event_t *dn8_event; 520 debugnet80211_poll_t *dn8_poll; 521 }; 522 523 #define DEBUGNET80211_DEFINE(driver) \ 524 static debugnet80211_init_t driver##_debugnet80211_init; \ 525 static debugnet80211_event_t driver##_debugnet80211_event; \ 526 static debugnet80211_poll_t driver##_debugnet80211_poll; \ 527 \ 528 static struct debugnet80211_methods driver##_debugnet80211_methods = { \ 529 .dn8_init = driver##_debugnet80211_init, \ 530 .dn8_event = driver##_debugnet80211_event, \ 531 .dn8_poll = driver##_debugnet80211_poll, \ 532 } 533 #define DEBUGNET80211_SET(ic, driver) \ 534 (ic)->ic_debugnet_meth = &driver##_debugnet80211_methods 535 #else 536 #define DEBUGNET80211_DEFINE(driver) 537 #define DEBUGNET80211_SET(ic, driver) 538 #endif /* DEBUGNET */ 539 540 #endif /* _KERNEL */ 541 542 /* XXX this stuff belongs elsewhere */ 543 /* 544 * Message formats for messages from the net80211 layer to user 545 * applications via the routing socket. These messages are appended 546 * to an if_announcemsghdr structure. 547 */ 548 struct ieee80211_join_event { 549 uint8_t iev_addr[6]; 550 }; 551 552 struct ieee80211_leave_event { 553 uint8_t iev_addr[6]; 554 }; 555 556 struct ieee80211_replay_event { 557 uint8_t iev_src[6]; /* src MAC */ 558 uint8_t iev_dst[6]; /* dst MAC */ 559 uint8_t iev_cipher; /* cipher type */ 560 uint8_t iev_keyix; /* key id/index */ 561 uint64_t iev_keyrsc; /* RSC from key */ 562 uint64_t iev_rsc; /* RSC from frame */ 563 }; 564 565 struct ieee80211_michael_event { 566 uint8_t iev_src[6]; /* src MAC */ 567 uint8_t iev_dst[6]; /* dst MAC */ 568 uint8_t iev_cipher; /* cipher type */ 569 uint8_t iev_keyix; /* key id/index */ 570 }; 571 572 struct ieee80211_wds_event { 573 uint8_t iev_addr[6]; 574 }; 575 576 struct ieee80211_csa_event { 577 uint32_t iev_flags; /* channel flags */ 578 uint16_t iev_freq; /* setting in Mhz */ 579 uint8_t iev_ieee; /* IEEE channel number */ 580 uint8_t iev_mode; /* CSA mode */ 581 uint8_t iev_count; /* CSA count */ 582 }; 583 584 struct ieee80211_cac_event { 585 uint32_t iev_flags; /* channel flags */ 586 uint16_t iev_freq; /* setting in Mhz */ 587 uint8_t iev_ieee; /* IEEE channel number */ 588 /* XXX timestamp? */ 589 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 590 }; 591 592 struct ieee80211_radar_event { 593 uint32_t iev_flags; /* channel flags */ 594 uint16_t iev_freq; /* setting in Mhz */ 595 uint8_t iev_ieee; /* IEEE channel number */ 596 /* XXX timestamp? */ 597 }; 598 599 struct ieee80211_auth_event { 600 uint8_t iev_addr[6]; 601 }; 602 603 struct ieee80211_deauth_event { 604 uint8_t iev_addr[6]; 605 }; 606 607 struct ieee80211_country_event { 608 uint8_t iev_addr[6]; 609 uint8_t iev_cc[2]; /* ISO country code */ 610 }; 611 612 struct ieee80211_radio_event { 613 uint8_t iev_state; /* 1 on, 0 off */ 614 }; 615 616 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 617 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 618 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 619 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 620 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 621 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 622 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 623 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 624 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 625 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 626 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 627 #define RTM_IEEE80211_RADAR 111 /* radar event */ 628 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 629 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 630 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 631 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 632 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 633 634 /* 635 * Structure prepended to raw packets sent through the bpf 636 * interface when set to DLT_IEEE802_11_RADIO. This allows 637 * user applications to specify pretty much everything in 638 * an Atheros tx descriptor. XXX need to generalize. 639 * 640 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 641 * XXX sa_data area. 642 */ 643 struct ieee80211_bpf_params { 644 uint8_t ibp_vers; /* version */ 645 #define IEEE80211_BPF_VERSION 0 646 uint8_t ibp_len; /* header length in bytes */ 647 uint8_t ibp_flags; 648 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 649 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 650 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 651 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 652 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 653 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 654 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 655 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 656 uint8_t ibp_try0; /* series 1 try count */ 657 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 658 uint8_t ibp_power; /* tx power (device units) */ 659 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 660 uint8_t ibp_try1; /* series 2 try count */ 661 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 662 uint8_t ibp_try2; /* series 3 try count */ 663 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 664 uint8_t ibp_try3; /* series 4 try count */ 665 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 666 }; 667 668 #ifdef _KERNEL 669 struct ieee80211_tx_params { 670 struct ieee80211_bpf_params params; 671 }; 672 int ieee80211_add_xmit_params(struct mbuf *m, 673 const struct ieee80211_bpf_params *); 674 int ieee80211_get_xmit_params(struct mbuf *m, 675 struct ieee80211_bpf_params *); 676 677 struct ieee80211_rx_params; 678 struct ieee80211_rx_stats; 679 680 int ieee80211_add_rx_params(struct mbuf *m, 681 const struct ieee80211_rx_stats *rxs); 682 int ieee80211_get_rx_params(struct mbuf *m, 683 struct ieee80211_rx_stats *rxs); 684 const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m); 685 686 struct ieee80211_toa_params { 687 int request_id; 688 }; 689 int ieee80211_add_toa_params(struct mbuf *m, 690 const struct ieee80211_toa_params *p); 691 int ieee80211_get_toa_params(struct mbuf *m, 692 struct ieee80211_toa_params *p); 693 694 #define IEEE80211_F_SURVEY_TIME 0x00000001 695 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002 696 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004 697 #define IEEE80211_F_SURVEY_TSC 0x00000008 698 struct ieee80211_channel_survey { 699 uint32_t s_flags; 700 uint32_t s_time; 701 uint32_t s_time_busy; 702 int32_t s_noise; 703 uint64_t s_tsc; 704 }; 705 706 #endif /* _KERNEL */ 707 708 /* 709 * Malloc API. Other BSD operating systems have slightly 710 * different malloc/free namings (eg DragonflyBSD.) 711 */ 712 #define IEEE80211_MALLOC malloc 713 #define IEEE80211_FREE free 714 715 /* XXX TODO: get rid of WAITOK, fix all the users of it? */ 716 #define IEEE80211_M_NOWAIT M_NOWAIT 717 #define IEEE80211_M_WAITOK M_WAITOK 718 #define IEEE80211_M_ZERO M_ZERO 719 720 /* XXX TODO: the type fields */ 721 722 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */
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