ieee80211_freebsd.h revision 293022
1/*- 2 * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD: head/sys/net80211/ieee80211_freebsd.h 293022 2016-01-01 00:21:07Z adrian $ 26 */ 27#ifndef _NET80211_IEEE80211_FREEBSD_H_ 28#define _NET80211_IEEE80211_FREEBSD_H_ 29 30#ifdef _KERNEL 31#include <sys/types.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 40/* 41 * Common state locking definitions. 42 */ 43typedef struct { 44 char name[16]; /* e.g. "ath0_com_lock" */ 45 struct mtx mtx; 46} ieee80211_com_lock_t; 47#define IEEE80211_LOCK_INIT(_ic, _name) do { \ 48 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 49 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 50 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 51} while (0) 52#define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 53#define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 54#define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 55#define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 56#define IEEE80211_LOCK_ASSERT(_ic) \ 57 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 58#define IEEE80211_UNLOCK_ASSERT(_ic) \ 59 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED) 60 61/* 62 * Transmit lock. 63 * 64 * This is a (mostly) temporary lock designed to serialise all of the 65 * transmission operations throughout the stack. 66 */ 67typedef struct { 68 char name[16]; /* e.g. "ath0_com_lock" */ 69 struct mtx mtx; 70} ieee80211_tx_lock_t; 71#define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \ 72 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \ 73 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \ 74 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \ 75} while (0) 76#define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx) 77#define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic)) 78#define IEEE80211_TX_LOCK(_ic) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic)) 79#define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic)) 80#define IEEE80211_TX_LOCK_ASSERT(_ic) \ 81 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED) 82#define IEEE80211_TX_UNLOCK_ASSERT(_ic) \ 83 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED) 84 85/* 86 * Node locking definitions. 87 */ 88typedef struct { 89 char name[16]; /* e.g. "ath0_node_lock" */ 90 struct mtx mtx; 91} ieee80211_node_lock_t; 92#define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 93 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 94 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 95 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 96} while (0) 97#define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 98#define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 99 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 100#define IEEE80211_NODE_LOCK(_nt) \ 101 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 102#define IEEE80211_NODE_IS_LOCKED(_nt) \ 103 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 104#define IEEE80211_NODE_UNLOCK(_nt) \ 105 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 106#define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 107 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 108 109/* 110 * Node table iteration locking definitions; this protects the 111 * scan generation # used to iterate over the station table 112 * while grabbing+releasing the node lock. 113 */ 114typedef struct { 115 char name[16]; /* e.g. "ath0_scan_lock" */ 116 struct mtx mtx; 117} ieee80211_scan_lock_t; 118#define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do { \ 119 ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock; \ 120 snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name); \ 121 mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF); \ 122} while (0) 123#define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt) (&(_nt)->nt_scanlock.mtx) 124#define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \ 125 mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 126#define IEEE80211_NODE_ITERATE_LOCK(_nt) \ 127 mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 128#define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \ 129 mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 130 131/* 132 * Power-save queue definitions. 133 */ 134typedef 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 */ 159typedef 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 */ 169typedef 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 */ 181typedef 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 188typedef 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 */ 198typedef 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 207typedef 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#define ieee80211_node_initref(_ni) \ 229 do { ((_ni)->ni_refcnt = 1); } while (0) 230#define ieee80211_node_incref(_ni) \ 231 atomic_add_int(&(_ni)->ni_refcnt, 1) 232#define ieee80211_node_decref(_ni) \ 233 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 234struct ieee80211_node; 235int ieee80211_node_dectestref(struct ieee80211_node *ni); 236#define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 237 238struct ifqueue; 239struct ieee80211vap; 240void ieee80211_drain_ifq(struct ifqueue *); 241void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 242 243void ieee80211_vap_destroy(struct ieee80211vap *); 244 245#define IFNET_IS_UP_RUNNING(_ifp) \ 246 (((_ifp)->if_flags & IFF_UP) && \ 247 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 248 249/* XXX TODO: cap these at 1, as hz may not be 1000 */ 250#define msecs_to_ticks(ms) (((ms)*hz)/1000) 251#define ticks_to_msecs(t) (1000*(t) / hz) 252#define ticks_to_secs(t) ((t) / hz) 253 254#define time_after(a,b) ((long)(b) - (long)(a) < 0) 255#define time_before(a,b) time_after(b,a) 256#define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 257#define time_before_eq(a,b) time_after_eq(b,a) 258 259struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 260 261/* tx path usage */ 262#define M_ENCAP M_PROTO1 /* 802.11 encap done */ 263#define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 264#define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 265#define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 266#define M_FF M_PROTO6 /* fast frame */ 267#define M_TXCB M_PROTO7 /* do tx complete callback */ 268#define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 269#define M_FRAG M_PROTO9 /* frame fragmentation */ 270#define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 271#define M_LASTFRAG M_PROTO11 /* last frame fragment */ 272 273#define M_80211_TX \ 274 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 275 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 276 277/* rx path usage */ 278#define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 279#define M_WEP M_PROTO2 /* WEP done by hardware */ 280#if 0 281#define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 282#endif 283#define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 284 285#define IEEE80211_MBUF_TX_FLAG_BITS \ 286 M_FLAG_BITS \ 287 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 288 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 289 290#define IEEE80211_MBUF_RX_FLAG_BITS \ 291 M_FLAG_BITS \ 292 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 293 294/* 295 * Store WME access control bits in the vlan tag. 296 * This is safe since it's done after the packet is classified 297 * (where we use any previous tag) and because it's passed 298 * directly in to the driver and there's no chance someone 299 * else will clobber them on us. 300 */ 301#define M_WME_SETAC(m, ac) \ 302 ((m)->m_pkthdr.ether_vtag = (ac)) 303#define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 304 305/* 306 * Mbufs on the power save queue are tagged with an age and 307 * timed out. We reuse the hardware checksum field in the 308 * mbuf packet header to store this data. 309 */ 310#define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 311#define M_AGE_GET(m) (m->m_pkthdr.csum_data) 312#define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 313 314/* 315 * Store the sequence number. 316 */ 317#define M_SEQNO_SET(m, seqno) \ 318 ((m)->m_pkthdr.tso_segsz = (seqno)) 319#define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 320 321#define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 322 323struct ieee80211_cb { 324 void (*func)(struct ieee80211_node *, void *, int status); 325 void *arg; 326}; 327#define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 328int ieee80211_add_callback(struct mbuf *m, 329 void (*func)(struct ieee80211_node *, void *, int), void *arg); 330void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 331 332#define NET80211_TAG_XMIT_PARAMS 1 333/* See below; this is after the bpf_params definition */ 334 335#define NET80211_TAG_RECV_PARAMS 2 336 337struct ieee80211com; 338int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 339int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 340 341void get_random_bytes(void *, size_t); 342 343void ieee80211_sysctl_attach(struct ieee80211com *); 344void ieee80211_sysctl_detach(struct ieee80211com *); 345void ieee80211_sysctl_vattach(struct ieee80211vap *); 346void ieee80211_sysctl_vdetach(struct ieee80211vap *); 347 348SYSCTL_DECL(_net_wlan); 349int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 350 351void ieee80211_load_module(const char *); 352 353/* 354 * A "policy module" is an adjunct module to net80211 that provides 355 * functionality that typically includes policy decisions. This 356 * modularity enables extensibility and vendor-supplied functionality. 357 */ 358#define _IEEE80211_POLICY_MODULE(policy, name, version) \ 359typedef void (*policy##_setup)(int); \ 360SET_DECLARE(policy##_set, policy##_setup); \ 361static int \ 362wlan_##name##_modevent(module_t mod, int type, void *unused) \ 363{ \ 364 policy##_setup * const *iter, f; \ 365 switch (type) { \ 366 case MOD_LOAD: \ 367 SET_FOREACH(iter, policy##_set) { \ 368 f = (void*) *iter; \ 369 f(type); \ 370 } \ 371 return 0; \ 372 case MOD_UNLOAD: \ 373 case MOD_QUIESCE: \ 374 if (nrefs) { \ 375 printf("wlan_" #name ": still in use " \ 376 "(%u dynamic refs)\n", nrefs); \ 377 return EBUSY; \ 378 } \ 379 if (type == MOD_UNLOAD) { \ 380 SET_FOREACH(iter, policy##_set) { \ 381 f = (void*) *iter; \ 382 f(type); \ 383 } \ 384 } \ 385 return 0; \ 386 } \ 387 return EINVAL; \ 388} \ 389static moduledata_t name##_mod = { \ 390 "wlan_" #name, \ 391 wlan_##name##_modevent, \ 392 0 \ 393}; \ 394DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 395MODULE_VERSION(wlan_##name, version); \ 396MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 397 398/* 399 * Crypto modules implement cipher support. 400 */ 401#define IEEE80211_CRYPTO_MODULE(name, version) \ 402_IEEE80211_POLICY_MODULE(crypto, name, version); \ 403static void \ 404name##_modevent(int type) \ 405{ \ 406 if (type == MOD_LOAD) \ 407 ieee80211_crypto_register(&name); \ 408 else \ 409 ieee80211_crypto_unregister(&name); \ 410} \ 411TEXT_SET(crypto##_set, name##_modevent) 412 413/* 414 * Scanner modules provide scanning policy. 415 */ 416#define IEEE80211_SCANNER_MODULE(name, version) \ 417 _IEEE80211_POLICY_MODULE(scanner, name, version) 418 419#define IEEE80211_SCANNER_ALG(name, alg, v) \ 420static void \ 421name##_modevent(int type) \ 422{ \ 423 if (type == MOD_LOAD) \ 424 ieee80211_scanner_register(alg, &v); \ 425 else \ 426 ieee80211_scanner_unregister(alg, &v); \ 427} \ 428TEXT_SET(scanner_set, name##_modevent); \ 429 430/* 431 * ACL modules implement acl policy. 432 */ 433#define IEEE80211_ACL_MODULE(name, alg, version) \ 434_IEEE80211_POLICY_MODULE(acl, name, version); \ 435static void \ 436alg##_modevent(int type) \ 437{ \ 438 if (type == MOD_LOAD) \ 439 ieee80211_aclator_register(&alg); \ 440 else \ 441 ieee80211_aclator_unregister(&alg); \ 442} \ 443TEXT_SET(acl_set, alg##_modevent); \ 444 445/* 446 * Authenticator modules handle 802.1x/WPA authentication. 447 */ 448#define IEEE80211_AUTH_MODULE(name, version) \ 449 _IEEE80211_POLICY_MODULE(auth, name, version) 450 451#define IEEE80211_AUTH_ALG(name, alg, v) \ 452static void \ 453name##_modevent(int type) \ 454{ \ 455 if (type == MOD_LOAD) \ 456 ieee80211_authenticator_register(alg, &v); \ 457 else \ 458 ieee80211_authenticator_unregister(alg); \ 459} \ 460TEXT_SET(auth_set, name##_modevent) 461 462/* 463 * Rate control modules provide tx rate control support. 464 */ 465#define IEEE80211_RATECTL_MODULE(alg, version) \ 466 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 467 468#define IEEE80211_RATECTL_ALG(name, alg, v) \ 469static void \ 470alg##_modevent(int type) \ 471{ \ 472 if (type == MOD_LOAD) \ 473 ieee80211_ratectl_register(alg, &v); \ 474 else \ 475 ieee80211_ratectl_unregister(alg); \ 476} \ 477TEXT_SET(ratectl##_set, alg##_modevent) 478 479struct ieee80211req; 480typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 481 struct ieee80211req *); 482SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 483#define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 484 485typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 486 struct ieee80211req *); 487SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 488#define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 489#endif /* _KERNEL */ 490 491/* XXX this stuff belongs elsewhere */ 492/* 493 * Message formats for messages from the net80211 layer to user 494 * applications via the routing socket. These messages are appended 495 * to an if_announcemsghdr structure. 496 */ 497struct ieee80211_join_event { 498 uint8_t iev_addr[6]; 499}; 500 501struct ieee80211_leave_event { 502 uint8_t iev_addr[6]; 503}; 504 505struct ieee80211_replay_event { 506 uint8_t iev_src[6]; /* src MAC */ 507 uint8_t iev_dst[6]; /* dst MAC */ 508 uint8_t iev_cipher; /* cipher type */ 509 uint8_t iev_keyix; /* key id/index */ 510 uint64_t iev_keyrsc; /* RSC from key */ 511 uint64_t iev_rsc; /* RSC from frame */ 512}; 513 514struct ieee80211_michael_event { 515 uint8_t iev_src[6]; /* src MAC */ 516 uint8_t iev_dst[6]; /* dst MAC */ 517 uint8_t iev_cipher; /* cipher type */ 518 uint8_t iev_keyix; /* key id/index */ 519}; 520 521struct ieee80211_wds_event { 522 uint8_t iev_addr[6]; 523}; 524 525struct ieee80211_csa_event { 526 uint32_t iev_flags; /* channel flags */ 527 uint16_t iev_freq; /* setting in Mhz */ 528 uint8_t iev_ieee; /* IEEE channel number */ 529 uint8_t iev_mode; /* CSA mode */ 530 uint8_t iev_count; /* CSA count */ 531}; 532 533struct ieee80211_cac_event { 534 uint32_t iev_flags; /* channel flags */ 535 uint16_t iev_freq; /* setting in Mhz */ 536 uint8_t iev_ieee; /* IEEE channel number */ 537 /* XXX timestamp? */ 538 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 539}; 540 541struct ieee80211_radar_event { 542 uint32_t iev_flags; /* channel flags */ 543 uint16_t iev_freq; /* setting in Mhz */ 544 uint8_t iev_ieee; /* IEEE channel number */ 545 /* XXX timestamp? */ 546}; 547 548struct ieee80211_auth_event { 549 uint8_t iev_addr[6]; 550}; 551 552struct ieee80211_deauth_event { 553 uint8_t iev_addr[6]; 554}; 555 556struct ieee80211_country_event { 557 uint8_t iev_addr[6]; 558 uint8_t iev_cc[2]; /* ISO country code */ 559}; 560 561struct ieee80211_radio_event { 562 uint8_t iev_state; /* 1 on, 0 off */ 563}; 564 565#define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 566#define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 567#define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 568#define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 569#define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 570#define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 571#define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 572#define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 573#define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 574#define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 575#define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 576#define RTM_IEEE80211_RADAR 111 /* radar event */ 577#define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 578#define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 579#define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 580#define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 581#define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 582 583/* 584 * Structure prepended to raw packets sent through the bpf 585 * interface when set to DLT_IEEE802_11_RADIO. This allows 586 * user applications to specify pretty much everything in 587 * an Atheros tx descriptor. XXX need to generalize. 588 * 589 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 590 * XXX sa_data area. 591 */ 592struct ieee80211_bpf_params { 593 uint8_t ibp_vers; /* version */ 594#define IEEE80211_BPF_VERSION 0 595 uint8_t ibp_len; /* header length in bytes */ 596 uint8_t ibp_flags; 597#define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 598#define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 599#define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 600#define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 601#define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 602#define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 603#define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 604 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 605 uint8_t ibp_try0; /* series 1 try count */ 606 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 607 uint8_t ibp_power; /* tx power (device units) */ 608 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 609 uint8_t ibp_try1; /* series 2 try count */ 610 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 611 uint8_t ibp_try2; /* series 3 try count */ 612 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 613 uint8_t ibp_try3; /* series 4 try count */ 614 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 615}; 616 617#ifdef _KERNEL 618struct ieee80211_tx_params { 619 struct ieee80211_bpf_params params; 620}; 621int ieee80211_add_xmit_params(struct mbuf *m, 622 const struct ieee80211_bpf_params *); 623int ieee80211_get_xmit_params(struct mbuf *m, 624 struct ieee80211_bpf_params *); 625 626#define IEEE80211_MAX_CHAINS 3 627#define IEEE80211_MAX_EVM_PILOTS 6 628 629#define IEEE80211_R_NF 0x0000001 /* global NF value valid */ 630#define IEEE80211_R_RSSI 0x0000002 /* global RSSI value valid */ 631#define IEEE80211_R_C_CHAIN 0x0000004 /* RX chain count valid */ 632#define IEEE80211_R_C_NF 0x0000008 /* per-chain NF value valid */ 633#define IEEE80211_R_C_RSSI 0x0000010 /* per-chain RSSI value valid */ 634#define IEEE80211_R_C_EVM 0x0000020 /* per-chain EVM valid */ 635#define IEEE80211_R_C_HT40 0x0000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 636#define IEEE80211_R_FREQ 0x0000080 /* Freq value populated, MHz */ 637#define IEEE80211_R_IEEE 0x0000100 /* IEEE value populated */ 638#define IEEE80211_R_BAND 0x0000200 /* Frequency band populated */ 639 640struct ieee80211_rx_stats { 641 uint32_t r_flags; /* IEEE80211_R_* flags */ 642 uint8_t c_chain; /* number of RX chains involved */ 643 int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 644 int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 645 int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 646 int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 647 uint8_t nf; /* global NF */ 648 uint8_t rssi; /* global RSSI */ 649 uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 650 /* per-chain, per-pilot EVM values */ 651 uint16_t c_freq; 652 uint8_t c_ieee; 653}; 654 655struct ieee80211_rx_params { 656 struct ieee80211_rx_stats params; 657}; 658int ieee80211_add_rx_params(struct mbuf *m, 659 const struct ieee80211_rx_stats *rxs); 660int ieee80211_get_rx_params(struct mbuf *m, 661 struct ieee80211_rx_stats *rxs); 662#endif /* _KERNEL */ 663 664/* 665 * Malloc API. Other BSD operating systems have slightly 666 * different malloc/free namings (eg DragonflyBSD.) 667 */ 668#define IEEE80211_MALLOC malloc 669#define IEEE80211_FREE free 670 671/* XXX TODO: get rid of WAITOK, fix all the users of it? */ 672#define IEEE80211_M_NOWAIT M_NOWAIT 673#define IEEE80211_M_WAITOK M_WAITOK 674#define IEEE80211_M_ZERO M_ZERO 675 676/* XXX TODO: the type fields */ 677 678#endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 679