ieee80211_freebsd.h revision 330576
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: stable/11/sys/net80211/ieee80211_freebsd.h 330576 2018-03-07 10:54:10Z eadler $ 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 * Stageq / ni_tx_superg lock 87 */ 88typedef struct { 89 char name[16]; /* e.g. "ath0_ff_lock" */ 90 struct mtx mtx; 91} ieee80211_ff_lock_t; 92#define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \ 93 ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \ 94 snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \ 95 mtx_init(&fl->mtx, fl->name, NULL, MTX_DEF); \ 96} while (0) 97#define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx) 98#define IEEE80211_FF_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_FF_LOCK_OBJ(_ic)) 99#define IEEE80211_FF_LOCK(_ic) mtx_lock(IEEE80211_FF_LOCK_OBJ(_ic)) 100#define IEEE80211_FF_UNLOCK(_ic) mtx_unlock(IEEE80211_FF_LOCK_OBJ(_ic)) 101#define IEEE80211_FF_LOCK_ASSERT(_ic) \ 102 mtx_assert(IEEE80211_FF_LOCK_OBJ(_ic), MA_OWNED) 103 104/* 105 * Node locking definitions. 106 */ 107typedef struct { 108 char name[16]; /* e.g. "ath0_node_lock" */ 109 struct mtx mtx; 110} ieee80211_node_lock_t; 111#define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 112 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 113 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 114 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 115} while (0) 116#define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 117#define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 118 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 119#define IEEE80211_NODE_LOCK(_nt) \ 120 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 121#define IEEE80211_NODE_IS_LOCKED(_nt) \ 122 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 123#define IEEE80211_NODE_UNLOCK(_nt) \ 124 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 125#define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 126 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 127 128/* 129 * Power-save queue definitions. 130 */ 131typedef struct mtx ieee80211_psq_lock_t; 132#define IEEE80211_PSQ_INIT(_psq, _name) \ 133 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 134#define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 135#define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 136#define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 137 138#ifndef IF_PREPEND_LIST 139#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 140 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 141 if ((ifq)->ifq_tail == NULL) \ 142 (ifq)->ifq_tail = (mtail); \ 143 (ifq)->ifq_head = (mhead); \ 144 (ifq)->ifq_len += (mcount); \ 145} while (0) 146#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 147 IF_LOCK(ifq); \ 148 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 149 IF_UNLOCK(ifq); \ 150} while (0) 151#endif /* IF_PREPEND_LIST */ 152 153/* 154 * Age queue definitions. 155 */ 156typedef struct mtx ieee80211_ageq_lock_t; 157#define IEEE80211_AGEQ_INIT(_aq, _name) \ 158 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 159#define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 160#define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 161#define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 162 163/* 164 * 802.1x MAC ACL database locking definitions. 165 */ 166typedef struct mtx acl_lock_t; 167#define ACL_LOCK_INIT(_as, _name) \ 168 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 169#define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 170#define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 171#define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 172#define ACL_LOCK_ASSERT(_as) \ 173 mtx_assert((&(_as)->as_lock), MA_OWNED) 174 175/* 176 * Scan table definitions. 177 */ 178typedef struct mtx ieee80211_scan_table_lock_t; 179#define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 180 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 181#define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 182#define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 183#define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 184 185typedef struct mtx ieee80211_scan_iter_lock_t; 186#define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \ 187 mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF) 188#define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock) 189#define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock) 190#define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock) 191 192/* 193 * Mesh node/routing definitions. 194 */ 195typedef struct mtx ieee80211_rte_lock_t; 196#define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \ 197 mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF) 198#define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \ 199 mtx_destroy(&(_rt)->rt_lock) 200#define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock) 201#define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED) 202#define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock) 203 204typedef struct mtx ieee80211_rt_lock_t; 205#define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock) 206#define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED) 207#define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock) 208#define MESH_RT_LOCK_INIT(ms, name) \ 209 mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF) 210#define MESH_RT_LOCK_DESTROY(ms) \ 211 mtx_destroy(&(ms)->ms_rt_lock) 212 213/* 214 * Node reference counting definitions. 215 * 216 * ieee80211_node_initref initialize the reference count to 1 217 * ieee80211_node_incref add a reference 218 * ieee80211_node_decref remove a reference 219 * ieee80211_node_dectestref remove a reference and return 1 if this 220 * is the last reference, otherwise 0 221 * ieee80211_node_refcnt reference count for printing (only) 222 */ 223#include <machine/atomic.h> 224 225#define ieee80211_node_initref(_ni) \ 226 do { ((_ni)->ni_refcnt = 1); } while (0) 227#define ieee80211_node_incref(_ni) \ 228 atomic_add_int(&(_ni)->ni_refcnt, 1) 229#define ieee80211_node_decref(_ni) \ 230 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 231struct ieee80211_node; 232int ieee80211_node_dectestref(struct ieee80211_node *ni); 233#define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 234 235struct ifqueue; 236struct ieee80211vap; 237void ieee80211_drain_ifq(struct ifqueue *); 238void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 239 240void ieee80211_vap_destroy(struct ieee80211vap *); 241 242#define IFNET_IS_UP_RUNNING(_ifp) \ 243 (((_ifp)->if_flags & IFF_UP) && \ 244 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 245 246/* XXX TODO: cap these at 1, as hz may not be 1000 */ 247#define msecs_to_ticks(ms) (((ms)*hz)/1000) 248#define ticks_to_msecs(t) (1000*(t) / hz) 249#define ticks_to_secs(t) ((t) / hz) 250 251#define ieee80211_time_after(a,b) ((long)(b) - (long)(a) < 0) 252#define ieee80211_time_before(a,b) ieee80211_time_after(b,a) 253#define ieee80211_time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 254#define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a) 255 256struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 257 258/* tx path usage */ 259#define M_ENCAP M_PROTO1 /* 802.11 encap done */ 260#define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 261#define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 262#define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 263#define M_FF M_PROTO6 /* fast frame / A-MSDU */ 264#define M_TXCB M_PROTO7 /* do tx complete callback */ 265#define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 266#define M_FRAG M_PROTO9 /* frame fragmentation */ 267#define M_FIRSTFRAG M_PROTO10 /* first frame fragment */ 268#define M_LASTFRAG M_PROTO11 /* last frame fragment */ 269 270#define M_80211_TX \ 271 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \ 272 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG) 273 274/* rx path usage */ 275#define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 276#define M_WEP M_PROTO2 /* WEP done by hardware */ 277#if 0 278#define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 279#endif 280#define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 281 282#define IEEE80211_MBUF_TX_FLAG_BITS \ 283 M_FLAG_BITS \ 284 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \ 285 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG" 286 287#define IEEE80211_MBUF_RX_FLAG_BITS \ 288 M_FLAG_BITS \ 289 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU" 290 291/* 292 * Store WME access control bits in the vlan tag. 293 * This is safe since it's done after the packet is classified 294 * (where we use any previous tag) and because it's passed 295 * directly in to the driver and there's no chance someone 296 * else will clobber them on us. 297 */ 298#define M_WME_SETAC(m, ac) \ 299 ((m)->m_pkthdr.ether_vtag = (ac)) 300#define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 301 302/* 303 * Mbufs on the power save queue are tagged with an age and 304 * timed out. We reuse the hardware checksum field in the 305 * mbuf packet header to store this data. 306 */ 307#define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 308#define M_AGE_GET(m) (m->m_pkthdr.csum_data) 309#define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 310 311/* 312 * Store the sequence number. 313 */ 314#define M_SEQNO_SET(m, seqno) \ 315 ((m)->m_pkthdr.tso_segsz = (seqno)) 316#define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 317 318#define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 319 320struct ieee80211_cb { 321 void (*func)(struct ieee80211_node *, void *, int status); 322 void *arg; 323}; 324#define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 325int ieee80211_add_callback(struct mbuf *m, 326 void (*func)(struct ieee80211_node *, void *, int), void *arg); 327void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 328 329#define NET80211_TAG_XMIT_PARAMS 1 330/* See below; this is after the bpf_params definition */ 331 332#define NET80211_TAG_RECV_PARAMS 2 333 334struct ieee80211com; 335int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *); 336int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *); 337 338void get_random_bytes(void *, size_t); 339 340void ieee80211_sysctl_attach(struct ieee80211com *); 341void ieee80211_sysctl_detach(struct ieee80211com *); 342void ieee80211_sysctl_vattach(struct ieee80211vap *); 343void ieee80211_sysctl_vdetach(struct ieee80211vap *); 344 345SYSCTL_DECL(_net_wlan); 346int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS); 347 348void ieee80211_load_module(const char *); 349 350/* 351 * A "policy module" is an adjunct module to net80211 that provides 352 * functionality that typically includes policy decisions. This 353 * modularity enables extensibility and vendor-supplied functionality. 354 */ 355#define _IEEE80211_POLICY_MODULE(policy, name, version) \ 356typedef void (*policy##_setup)(int); \ 357SET_DECLARE(policy##_set, policy##_setup); \ 358static int \ 359wlan_##name##_modevent(module_t mod, int type, void *unused) \ 360{ \ 361 policy##_setup * const *iter, f; \ 362 switch (type) { \ 363 case MOD_LOAD: \ 364 SET_FOREACH(iter, policy##_set) { \ 365 f = (void*) *iter; \ 366 f(type); \ 367 } \ 368 return 0; \ 369 case MOD_UNLOAD: \ 370 case MOD_QUIESCE: \ 371 if (nrefs) { \ 372 printf("wlan_" #name ": still in use " \ 373 "(%u dynamic refs)\n", nrefs); \ 374 return EBUSY; \ 375 } \ 376 if (type == MOD_UNLOAD) { \ 377 SET_FOREACH(iter, policy##_set) { \ 378 f = (void*) *iter; \ 379 f(type); \ 380 } \ 381 } \ 382 return 0; \ 383 } \ 384 return EINVAL; \ 385} \ 386static moduledata_t name##_mod = { \ 387 "wlan_" #name, \ 388 wlan_##name##_modevent, \ 389 0 \ 390}; \ 391DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 392MODULE_VERSION(wlan_##name, version); \ 393MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 394 395/* 396 * Crypto modules implement cipher support. 397 */ 398#define IEEE80211_CRYPTO_MODULE(name, version) \ 399_IEEE80211_POLICY_MODULE(crypto, name, version); \ 400static void \ 401name##_modevent(int type) \ 402{ \ 403 if (type == MOD_LOAD) \ 404 ieee80211_crypto_register(&name); \ 405 else \ 406 ieee80211_crypto_unregister(&name); \ 407} \ 408TEXT_SET(crypto##_set, name##_modevent) 409 410/* 411 * Scanner modules provide scanning policy. 412 */ 413#define IEEE80211_SCANNER_MODULE(name, version) \ 414 _IEEE80211_POLICY_MODULE(scanner, name, version) 415 416#define IEEE80211_SCANNER_ALG(name, alg, v) \ 417static void \ 418name##_modevent(int type) \ 419{ \ 420 if (type == MOD_LOAD) \ 421 ieee80211_scanner_register(alg, &v); \ 422 else \ 423 ieee80211_scanner_unregister(alg, &v); \ 424} \ 425TEXT_SET(scanner_set, name##_modevent); \ 426 427/* 428 * ACL modules implement acl policy. 429 */ 430#define IEEE80211_ACL_MODULE(name, alg, version) \ 431_IEEE80211_POLICY_MODULE(acl, name, version); \ 432static void \ 433alg##_modevent(int type) \ 434{ \ 435 if (type == MOD_LOAD) \ 436 ieee80211_aclator_register(&alg); \ 437 else \ 438 ieee80211_aclator_unregister(&alg); \ 439} \ 440TEXT_SET(acl_set, alg##_modevent); \ 441 442/* 443 * Authenticator modules handle 802.1x/WPA authentication. 444 */ 445#define IEEE80211_AUTH_MODULE(name, version) \ 446 _IEEE80211_POLICY_MODULE(auth, name, version) 447 448#define IEEE80211_AUTH_ALG(name, alg, v) \ 449static void \ 450name##_modevent(int type) \ 451{ \ 452 if (type == MOD_LOAD) \ 453 ieee80211_authenticator_register(alg, &v); \ 454 else \ 455 ieee80211_authenticator_unregister(alg); \ 456} \ 457TEXT_SET(auth_set, name##_modevent) 458 459/* 460 * Rate control modules provide tx rate control support. 461 */ 462#define IEEE80211_RATECTL_MODULE(alg, version) \ 463 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 464 465#define IEEE80211_RATECTL_ALG(name, alg, v) \ 466static void \ 467alg##_modevent(int type) \ 468{ \ 469 if (type == MOD_LOAD) \ 470 ieee80211_ratectl_register(alg, &v); \ 471 else \ 472 ieee80211_ratectl_unregister(alg); \ 473} \ 474TEXT_SET(ratectl##_set, alg##_modevent) 475 476struct ieee80211req; 477typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 478 struct ieee80211req *); 479SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 480#define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 481 482typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 483 struct ieee80211req *); 484SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 485#define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 486#endif /* _KERNEL */ 487 488/* XXX this stuff belongs elsewhere */ 489/* 490 * Message formats for messages from the net80211 layer to user 491 * applications via the routing socket. These messages are appended 492 * to an if_announcemsghdr structure. 493 */ 494struct ieee80211_join_event { 495 uint8_t iev_addr[6]; 496}; 497 498struct ieee80211_leave_event { 499 uint8_t iev_addr[6]; 500}; 501 502struct ieee80211_replay_event { 503 uint8_t iev_src[6]; /* src MAC */ 504 uint8_t iev_dst[6]; /* dst MAC */ 505 uint8_t iev_cipher; /* cipher type */ 506 uint8_t iev_keyix; /* key id/index */ 507 uint64_t iev_keyrsc; /* RSC from key */ 508 uint64_t iev_rsc; /* RSC from frame */ 509}; 510 511struct ieee80211_michael_event { 512 uint8_t iev_src[6]; /* src MAC */ 513 uint8_t iev_dst[6]; /* dst MAC */ 514 uint8_t iev_cipher; /* cipher type */ 515 uint8_t iev_keyix; /* key id/index */ 516}; 517 518struct ieee80211_wds_event { 519 uint8_t iev_addr[6]; 520}; 521 522struct ieee80211_csa_event { 523 uint32_t iev_flags; /* channel flags */ 524 uint16_t iev_freq; /* setting in Mhz */ 525 uint8_t iev_ieee; /* IEEE channel number */ 526 uint8_t iev_mode; /* CSA mode */ 527 uint8_t iev_count; /* CSA count */ 528}; 529 530struct ieee80211_cac_event { 531 uint32_t iev_flags; /* channel flags */ 532 uint16_t iev_freq; /* setting in Mhz */ 533 uint8_t iev_ieee; /* IEEE channel number */ 534 /* XXX timestamp? */ 535 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 536}; 537 538struct ieee80211_radar_event { 539 uint32_t iev_flags; /* channel flags */ 540 uint16_t iev_freq; /* setting in Mhz */ 541 uint8_t iev_ieee; /* IEEE channel number */ 542 /* XXX timestamp? */ 543}; 544 545struct ieee80211_auth_event { 546 uint8_t iev_addr[6]; 547}; 548 549struct ieee80211_deauth_event { 550 uint8_t iev_addr[6]; 551}; 552 553struct ieee80211_country_event { 554 uint8_t iev_addr[6]; 555 uint8_t iev_cc[2]; /* ISO country code */ 556}; 557 558struct ieee80211_radio_event { 559 uint8_t iev_state; /* 1 on, 0 off */ 560}; 561 562#define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 563#define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 564#define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 565#define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 566#define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 567#define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 568#define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 569#define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 570#define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 571#define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 572#define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 573#define RTM_IEEE80211_RADAR 111 /* radar event */ 574#define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 575#define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 576#define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 577#define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 578#define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 579 580/* 581 * Structure prepended to raw packets sent through the bpf 582 * interface when set to DLT_IEEE802_11_RADIO. This allows 583 * user applications to specify pretty much everything in 584 * an Atheros tx descriptor. XXX need to generalize. 585 * 586 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 587 * XXX sa_data area. 588 */ 589struct ieee80211_bpf_params { 590 uint8_t ibp_vers; /* version */ 591#define IEEE80211_BPF_VERSION 0 592 uint8_t ibp_len; /* header length in bytes */ 593 uint8_t ibp_flags; 594#define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 595#define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 596#define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 597#define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 598#define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 599#define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 600#define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 601 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 602 uint8_t ibp_try0; /* series 1 try count */ 603 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 604 uint8_t ibp_power; /* tx power (device units) */ 605 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 606 uint8_t ibp_try1; /* series 2 try count */ 607 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 608 uint8_t ibp_try2; /* series 3 try count */ 609 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 610 uint8_t ibp_try3; /* series 4 try count */ 611 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 612}; 613 614#ifdef _KERNEL 615struct ieee80211_tx_params { 616 struct ieee80211_bpf_params params; 617}; 618int ieee80211_add_xmit_params(struct mbuf *m, 619 const struct ieee80211_bpf_params *); 620int ieee80211_get_xmit_params(struct mbuf *m, 621 struct ieee80211_bpf_params *); 622 623#define IEEE80211_MAX_CHAINS 3 624#define IEEE80211_MAX_EVM_PILOTS 6 625 626#define IEEE80211_R_NF 0x0000001 /* global NF value valid */ 627#define IEEE80211_R_RSSI 0x0000002 /* global RSSI value valid */ 628#define IEEE80211_R_C_CHAIN 0x0000004 /* RX chain count valid */ 629#define IEEE80211_R_C_NF 0x0000008 /* per-chain NF value valid */ 630#define IEEE80211_R_C_RSSI 0x0000010 /* per-chain RSSI value valid */ 631#define IEEE80211_R_C_EVM 0x0000020 /* per-chain EVM valid */ 632#define IEEE80211_R_C_HT40 0x0000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 633#define IEEE80211_R_FREQ 0x0000080 /* Freq value populated, MHz */ 634#define IEEE80211_R_IEEE 0x0000100 /* IEEE value populated */ 635#define IEEE80211_R_BAND 0x0000200 /* Frequency band populated */ 636 637struct ieee80211_rx_stats { 638 uint32_t r_flags; /* IEEE80211_R_* flags */ 639 uint8_t c_chain; /* number of RX chains involved */ 640 int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 641 int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 642 int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 643 int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 644 uint8_t nf; /* global NF */ 645 uint8_t rssi; /* global RSSI */ 646 uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 647 /* per-chain, per-pilot EVM values */ 648 uint16_t c_freq; 649 uint8_t c_ieee; 650}; 651 652struct ieee80211_rx_params { 653 struct ieee80211_rx_stats params; 654}; 655int ieee80211_add_rx_params(struct mbuf *m, 656 const struct ieee80211_rx_stats *rxs); 657int ieee80211_get_rx_params(struct mbuf *m, 658 struct ieee80211_rx_stats *rxs); 659#endif /* _KERNEL */ 660 661/* 662 * Malloc API. Other BSD operating systems have slightly 663 * different malloc/free namings (eg DragonflyBSD.) 664 */ 665#define IEEE80211_MALLOC malloc 666#define IEEE80211_FREE free 667 668/* XXX TODO: get rid of WAITOK, fix all the users of it? */ 669#define IEEE80211_M_NOWAIT M_NOWAIT 670#define IEEE80211_M_WAITOK M_WAITOK 671#define IEEE80211_M_ZERO M_ZERO 672 673/* XXX TODO: the type fields */ 674 675#endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 676