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