ieee80211_freebsd.h revision 302018
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 302018 2016-06-19 07:31:02Z adrian $ 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 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_tx_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 * Power-save queue definitions. 111 */ 112typedef struct mtx ieee80211_psq_lock_t; 113#define IEEE80211_PSQ_INIT(_psq, _name) \ 114 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 115#define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 116#define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 117#define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 118 119#ifndef IF_PREPEND_LIST 120#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 121 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 122 if ((ifq)->ifq_tail == NULL) \ 123 (ifq)->ifq_tail = (mtail); \ 124 (ifq)->ifq_head = (mhead); \ 125 (ifq)->ifq_len += (mcount); \ 126} while (0) 127#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 128 IF_LOCK(ifq); \ 129 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 130 IF_UNLOCK(ifq); \ 131} while (0) 132#endif /* IF_PREPEND_LIST */ 133 134/* 135 * Age queue definitions. 136 */ 137typedef struct mtx ieee80211_ageq_lock_t; 138#define IEEE80211_AGEQ_INIT(_aq, _name) \ 139 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 140#define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 141#define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 142#define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 143 144/* 145 * 802.1x MAC ACL database locking definitions. 146 */ 147typedef struct mtx acl_lock_t; 148#define ACL_LOCK_INIT(_as, _name) \ 149 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 150#define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 151#define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 152#define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 153#define ACL_LOCK_ASSERT(_as) \ 154 mtx_assert((&(_as)->as_lock), MA_OWNED) 155 156/* 157 * Scan table definitions. 158 */ 159typedef struct mtx ieee80211_scan_table_lock_t; 160#define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 161 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 162#define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 163#define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 164#define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 165 166typedef struct mtx ieee80211_scan_iter_lock_t; 167#define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \ 168 mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF) 169#define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock) 170#define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock) 171#define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock) 172 173/* 174 * Mesh node/routing definitions. 175 */ 176typedef struct mtx ieee80211_rte_lock_t; 177#define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \ 178 mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF) 179#define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \ 180 mtx_destroy(&(_rt)->rt_lock) 181#define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock) 182#define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED) 183#define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock) 184 185typedef struct mtx ieee80211_rt_lock_t; 186#define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock) 187#define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED) 188#define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock) 189#define MESH_RT_LOCK_INIT(ms, name) \ 190 mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF) 191#define MESH_RT_LOCK_DESTROY(ms) \ 192 mtx_destroy(&(ms)->ms_rt_lock) 193 194/* 195 * Node reference counting definitions. 196 * 197 * ieee80211_node_initref initialize the reference count to 1 198 * ieee80211_node_incref add a reference 199 * ieee80211_node_decref remove a reference 200 * ieee80211_node_dectestref remove a reference and return 1 if this 201 * is the last reference, otherwise 0 202 * ieee80211_node_refcnt reference count for printing (only) 203 */ 204#include <machine/atomic.h> 205 206#define ieee80211_node_initref(_ni) \ 207 do { ((_ni)->ni_refcnt = 1); } while (0) 208#define ieee80211_node_incref(_ni) \ 209 atomic_add_int(&(_ni)->ni_refcnt, 1) 210#define ieee80211_node_decref(_ni) \ 211 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 212struct ieee80211_node; 213int ieee80211_node_dectestref(struct ieee80211_node *ni); 214#define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 215 216struct ifqueue; 217struct ieee80211vap; 218void ieee80211_drain_ifq(struct ifqueue *); 219void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 220 221void ieee80211_vap_destroy(struct ieee80211vap *); 222 223#define IFNET_IS_UP_RUNNING(_ifp) \ 224 (((_ifp)->if_flags & IFF_UP) && \ 225 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 226 227/* XXX TODO: cap these at 1, as hz may not be 1000 */ 228#define msecs_to_ticks(ms) (((ms)*hz)/1000) 229#define ticks_to_msecs(t) (1000*(t) / hz) 230#define ticks_to_secs(t) ((t) / hz) 231 232#define ieee80211_time_after(a,b) ((long)(b) - (long)(a) < 0) 233#define ieee80211_time_before(a,b) ieee80211_time_after(b,a) 234#define ieee80211_time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 235#define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) 236 237struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 238 239/* tx path usage */ 240#define M_ENCAP M_PROTO1 /* 802.11 encap done */ 241#define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 242#define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 243#define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 244#define M_FF M_PROTO6 /* fast frame / A-MSDU */ 245#define M_TXCB M_PROTO7 /* do tx complete callback */ 246#define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 247#define M_FRAG M_PROTO9 /* frame fragmentation */ 248#define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 249#define M_LASTFRAG M_PROTO11 /* last frame fragment */ 250 251#define M_80211_TX \ 252 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 253 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 254 255/* rx path usage */ 256#define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 257#define M_WEP M_PROTO2 /* WEP done by hardware */ 258#if 0 259#define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 260#endif 261#define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 262 263#define IEEE80211_MBUF_TX_FLAG_BITS \ 264 M_FLAG_BITS \ 265 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 266 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 267 268#define IEEE80211_MBUF_RX_FLAG_BITS \ 269 M_FLAG_BITS \ 270 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 271 272/* 273 * Store WME access control bits in the vlan tag. 274 * This is safe since it's done after the packet is classified 275 * (where we use any previous tag) and because it's passed 276 * directly in to the driver and there's no chance someone 277 * else will clobber them on us. 278 */ 279#define M_WME_SETAC(m, ac) \ 280 ((m)->m_pkthdr.ether_vtag = (ac)) 281#define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 282 283/* 284 * Mbufs on the power save queue are tagged with an age and 285 * timed out. We reuse the hardware checksum field in the 286 * mbuf packet header to store this data. 287 */ 288#define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 289#define M_AGE_GET(m) (m->m_pkthdr.csum_data) 290#define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 291 292/* 293 * Store the sequence number. 294 */ 295#define M_SEQNO_SET(m, seqno) \ 296 ((m)->m_pkthdr.tso_segsz = (seqno)) 297#define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 298 299#define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 300 301struct ieee80211_cb { 302 void (*func)(struct ieee80211_node *, void *, int status); 303 void *arg; 304}; 305#define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 306int ieee80211_add_callback(struct mbuf *m, 307 void (*func)(struct ieee80211_node *, void *, int), void *arg); 308void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 309 310#define NET80211_TAG_XMIT_PARAMS 1 311/* See below; this is after the bpf_params definition */ 312 313#define NET80211_TAG_RECV_PARAMS 2 314 315struct ieee80211com; 316int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 317int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 318 319void get_random_bytes(void *, size_t); 320 321void ieee80211_sysctl_attach(struct ieee80211com *); 322void ieee80211_sysctl_detach(struct ieee80211com *); 323void ieee80211_sysctl_vattach(struct ieee80211vap *); 324void ieee80211_sysctl_vdetach(struct ieee80211vap *); 325 326SYSCTL_DECL(_net_wlan); 327int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 328 329void ieee80211_load_module(const char *); 330 331/* 332 * A "policy module" is an adjunct module to net80211 that provides 333 * functionality that typically includes policy decisions. This 334 * modularity enables extensibility and vendor-supplied functionality. 335 */ 336#define _IEEE80211_POLICY_MODULE(policy, name, version) \ 337typedef void (*policy##_setup)(int); \ 338SET_DECLARE(policy##_set, policy##_setup); \ 339static int \ 340wlan_##name##_modevent(module_t mod, int type, void *unused) \ 341{ \ 342 policy##_setup * const *iter, f; \ 343 switch (type) { \ 344 case MOD_LOAD: \ 345 SET_FOREACH(iter, policy##_set) { \ 346 f = (void*) *iter; \ 347 f(type); \ 348 } \ 349 return 0; \ 350 case MOD_UNLOAD: \ 351 case MOD_QUIESCE: \ 352 if (nrefs) { \ 353 printf("wlan_" #name ": still in use " \ 354 "(%u dynamic refs)\n", nrefs); \ 355 return EBUSY; \ 356 } \ 357 if (type == MOD_UNLOAD) { \ 358 SET_FOREACH(iter, policy##_set) { \ 359 f = (void*) *iter; \ 360 f(type); \ 361 } \ 362 } \ 363 return 0; \ 364 } \ 365 return EINVAL; \ 366} \ 367static moduledata_t name##_mod = { \ 368 "wlan_" #name, \ 369 wlan_##name##_modevent, \ 370 0 \ 371}; \ 372DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 373MODULE_VERSION(wlan_##name, version); \ 374MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 375 376/* 377 * Crypto modules implement cipher support. 378 */ 379#define IEEE80211_CRYPTO_MODULE(name, version) \ 380_IEEE80211_POLICY_MODULE(crypto, name, version); \ 381static void \ 382name##_modevent(int type) \ 383{ \ 384 if (type == MOD_LOAD) \ 385 ieee80211_crypto_register(&name); \ 386 else \ 387 ieee80211_crypto_unregister(&name); \ 388} \ 389TEXT_SET(crypto##_set, name##_modevent) 390 391/* 392 * Scanner modules provide scanning policy. 393 */ 394#define IEEE80211_SCANNER_MODULE(name, version) \ 395 _IEEE80211_POLICY_MODULE(scanner, name, version) 396 397#define IEEE80211_SCANNER_ALG(name, alg, v) \ 398static void \ 399name##_modevent(int type) \ 400{ \ 401 if (type == MOD_LOAD) \ 402 ieee80211_scanner_register(alg, &v); \ 403 else \ 404 ieee80211_scanner_unregister(alg, &v); \ 405} \ 406TEXT_SET(scanner_set, name##_modevent); \ 407 408/* 409 * ACL modules implement acl policy. 410 */ 411#define IEEE80211_ACL_MODULE(name, alg, version) \ 412_IEEE80211_POLICY_MODULE(acl, name, version); \ 413static void \ 414alg##_modevent(int type) \ 415{ \ 416 if (type == MOD_LOAD) \ 417 ieee80211_aclator_register(&alg); \ 418 else \ 419 ieee80211_aclator_unregister(&alg); \ 420} \ 421TEXT_SET(acl_set, alg##_modevent); \ 422 423/* 424 * Authenticator modules handle 802.1x/WPA authentication. 425 */ 426#define IEEE80211_AUTH_MODULE(name, version) \ 427 _IEEE80211_POLICY_MODULE(auth, name, version) 428 429#define IEEE80211_AUTH_ALG(name, alg, v) \ 430static void \ 431name##_modevent(int type) \ 432{ \ 433 if (type == MOD_LOAD) \ 434 ieee80211_authenticator_register(alg, &v); \ 435 else \ 436 ieee80211_authenticator_unregister(alg); \ 437} \ 438TEXT_SET(auth_set, name##_modevent) 439 440/* 441 * Rate control modules provide tx rate control support. 442 */ 443#define IEEE80211_RATECTL_MODULE(alg, version) \ 444 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 445 446#define IEEE80211_RATECTL_ALG(name, alg, v) \ 447static void \ 448alg##_modevent(int type) \ 449{ \ 450 if (type == MOD_LOAD) \ 451 ieee80211_ratectl_register(alg, &v); \ 452 else \ 453 ieee80211_ratectl_unregister(alg); \ 454} \ 455TEXT_SET(ratectl##_set, alg##_modevent) 456 457struct ieee80211req; 458typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 459 struct ieee80211req *); 460SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 461#define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 462 463typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 464 struct ieee80211req *); 465SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 466#define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 467#endif /* _KERNEL */ 468 469/* XXX this stuff belongs elsewhere */ 470/* 471 * Message formats for messages from the net80211 layer to user 472 * applications via the routing socket. These messages are appended 473 * to an if_announcemsghdr structure. 474 */ 475struct ieee80211_join_event { 476 uint8_t iev_addr[6]; 477}; 478 479struct ieee80211_leave_event { 480 uint8_t iev_addr[6]; 481}; 482 483struct ieee80211_replay_event { 484 uint8_t iev_src[6]; /* src MAC */ 485 uint8_t iev_dst[6]; /* dst MAC */ 486 uint8_t iev_cipher; /* cipher type */ 487 uint8_t iev_keyix; /* key id/index */ 488 uint64_t iev_keyrsc; /* RSC from key */ 489 uint64_t iev_rsc; /* RSC from frame */ 490}; 491 492struct ieee80211_michael_event { 493 uint8_t iev_src[6]; /* src MAC */ 494 uint8_t iev_dst[6]; /* dst MAC */ 495 uint8_t iev_cipher; /* cipher type */ 496 uint8_t iev_keyix; /* key id/index */ 497}; 498 499struct ieee80211_wds_event { 500 uint8_t iev_addr[6]; 501}; 502 503struct ieee80211_csa_event { 504 uint32_t iev_flags; /* channel flags */ 505 uint16_t iev_freq; /* setting in Mhz */ 506 uint8_t iev_ieee; /* IEEE channel number */ 507 uint8_t iev_mode; /* CSA mode */ 508 uint8_t iev_count; /* CSA count */ 509}; 510 511struct ieee80211_cac_event { 512 uint32_t iev_flags; /* channel flags */ 513 uint16_t iev_freq; /* setting in Mhz */ 514 uint8_t iev_ieee; /* IEEE channel number */ 515 /* XXX timestamp? */ 516 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 517}; 518 519struct ieee80211_radar_event { 520 uint32_t iev_flags; /* channel flags */ 521 uint16_t iev_freq; /* setting in Mhz */ 522 uint8_t iev_ieee; /* IEEE channel number */ 523 /* XXX timestamp? */ 524}; 525 526struct ieee80211_auth_event { 527 uint8_t iev_addr[6]; 528}; 529 530struct ieee80211_deauth_event { 531 uint8_t iev_addr[6]; 532}; 533 534struct ieee80211_country_event { 535 uint8_t iev_addr[6]; 536 uint8_t iev_cc[2]; /* ISO country code */ 537}; 538 539struct ieee80211_radio_event { 540 uint8_t iev_state; /* 1 on, 0 off */ 541}; 542 543#define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 544#define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 545#define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 546#define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 547#define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 548#define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 549#define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 550#define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 551#define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 552#define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 553#define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 554#define RTM_IEEE80211_RADAR 111 /* radar event */ 555#define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 556#define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 557#define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 558#define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 559#define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 560 561/* 562 * Structure prepended to raw packets sent through the bpf 563 * interface when set to DLT_IEEE802_11_RADIO. This allows 564 * user applications to specify pretty much everything in 565 * an Atheros tx descriptor. XXX need to generalize. 566 * 567 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 568 * XXX sa_data area. 569 */ 570struct ieee80211_bpf_params { 571 uint8_t ibp_vers; /* version */ 572#define IEEE80211_BPF_VERSION 0 573 uint8_t ibp_len; /* header length in bytes */ 574 uint8_t ibp_flags; 575#define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 576#define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 577#define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 578#define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 579#define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 580#define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 581#define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 582 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 583 uint8_t ibp_try0; /* series 1 try count */ 584 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 585 uint8_t ibp_power; /* tx power (device units) */ 586 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 587 uint8_t ibp_try1; /* series 2 try count */ 588 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 589 uint8_t ibp_try2; /* series 3 try count */ 590 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 591 uint8_t ibp_try3; /* series 4 try count */ 592 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 593}; 594 595#ifdef _KERNEL 596struct ieee80211_tx_params { 597 struct ieee80211_bpf_params params; 598}; 599int ieee80211_add_xmit_params(struct mbuf *m, 600 const struct ieee80211_bpf_params *); 601int ieee80211_get_xmit_params(struct mbuf *m, 602 struct ieee80211_bpf_params *); 603 604#define IEEE80211_MAX_CHAINS 3 605#define IEEE80211_MAX_EVM_PILOTS 6 606 607#define IEEE80211_R_NF 0x0000001 /* global NF value valid */ 608#define IEEE80211_R_RSSI 0x0000002 /* global RSSI value valid */ 609#define IEEE80211_R_C_CHAIN 0x0000004 /* RX chain count valid */ 610#define IEEE80211_R_C_NF 0x0000008 /* per-chain NF value valid */ 611#define IEEE80211_R_C_RSSI 0x0000010 /* per-chain RSSI value valid */ 612#define IEEE80211_R_C_EVM 0x0000020 /* per-chain EVM valid */ 613#define IEEE80211_R_C_HT40 0x0000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 614#define IEEE80211_R_FREQ 0x0000080 /* Freq value populated, MHz */ 615#define IEEE80211_R_IEEE 0x0000100 /* IEEE value populated */ 616#define IEEE80211_R_BAND 0x0000200 /* Frequency band populated */ 617 618struct ieee80211_rx_stats { 619 uint32_t r_flags; /* IEEE80211_R_* flags */ 620 uint8_t c_chain; /* number of RX chains involved */ 621 int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 622 int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 623 int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 624 int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 625 uint8_t nf; /* global NF */ 626 uint8_t rssi; /* global RSSI */ 627 uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 628 /* per-chain, per-pilot EVM values */ 629 uint16_t c_freq; 630 uint8_t c_ieee; 631}; 632 633struct ieee80211_rx_params { 634 struct ieee80211_rx_stats params; 635}; 636int ieee80211_add_rx_params(struct mbuf *m, 637 const struct ieee80211_rx_stats *rxs); 638int ieee80211_get_rx_params(struct mbuf *m, 639 struct ieee80211_rx_stats *rxs); 640#endif /* _KERNEL */ 641 642/* 643 * Malloc API. Other BSD operating systems have slightly 644 * different malloc/free namings (eg DragonflyBSD.) 645 */ 646#define IEEE80211_MALLOC malloc 647#define IEEE80211_FREE free 648 649/* XXX TODO: get rid of WAITOK, fix all the users of it? */ 650#define IEEE80211_M_NOWAIT M_NOWAIT 651#define IEEE80211_M_WAITOK M_WAITOK 652#define IEEE80211_M_ZERO M_ZERO 653 654/* XXX TODO: the type fields */ 655 656#endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 657