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 * $FreeBSD$ 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/lock.h> 33 #include <sys/mutex.h> 34 #include <sys/rwlock.h> 35 36 /* 37 * Common state locking definitions. 38 */ 39 typedef struct { 40 char name[16]; /* e.g. "ath0_com_lock" */ 41 struct mtx mtx; 42 } ieee80211_com_lock_t; 43 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 44 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 45 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 46 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 47 } while (0) 48 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 49 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 50 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 51 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 52 #define IEEE80211_LOCK_ASSERT(_ic) \ 53 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 54 55 /* 56 * Node locking definitions. 57 */ 58 typedef struct { 59 char name[16]; /* e.g. "ath0_node_lock" */ 60 struct mtx mtx; 61 } ieee80211_node_lock_t; 62 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 63 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 64 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 65 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 66 } while (0) 67 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 68 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 69 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 70 #define IEEE80211_NODE_LOCK(_nt) \ 71 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 72 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 73 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 74 #define IEEE80211_NODE_UNLOCK(_nt) \ 75 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 76 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 77 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 78 79 /* 80 * Node table iteration locking definitions; this protects the 81 * scan generation # used to iterate over the station table 82 * while grabbing+releasing the node lock. 83 */ 84 typedef struct { 85 char name[16]; /* e.g. "ath0_scan_lock" */ 86 struct mtx mtx; 87 } ieee80211_scan_lock_t; 88 #define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do { \ 89 ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock; \ 90 snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name); \ 91 mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF); \ 92 } while (0) 93 #define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt) (&(_nt)->nt_scanlock.mtx) 94 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \ 95 mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 96 #define IEEE80211_NODE_ITERATE_LOCK(_nt) \ 97 mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 98 #define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \ 99 mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 100 101 #define _AGEQ_ENQUEUE(_ifq, _m, _qlen, _age) do { \ 102 (_m)->m_nextpkt = NULL; \ 103 if ((_ifq)->ifq_tail != NULL) { \ 104 _age -= M_AGE_GET((_ifq)->ifq_head); \ 105 (_ifq)->ifq_tail->m_nextpkt = (_m); \ 106 } else { \ 107 (_ifq)->ifq_head = (_m); \ 108 } \ 109 M_AGE_SET(_m, _age); \ 110 (_ifq)->ifq_tail = (_m); \ 111 (_qlen) = ++(_ifq)->ifq_len; \ 112 } while (0) 113 114 /* 115 * Power-save queue definitions. 116 */ 117 typedef struct mtx ieee80211_psq_lock_t; 118 #define IEEE80211_PSQ_INIT(_psq, _name) \ 119 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF); 120 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 121 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 122 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 123 124 #ifndef IF_PREPEND_LIST 125 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 126 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 127 if ((ifq)->ifq_tail == NULL) \ 128 (ifq)->ifq_tail = (mtail); \ 129 (ifq)->ifq_head = (mhead); \ 130 (ifq)->ifq_len += (mcount); \ 131 } while (0) 132 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 133 IF_LOCK(ifq); \ 134 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 135 IF_UNLOCK(ifq); \ 136 } while (0) 137 #endif /* IF_PREPEND_LIST */ 138 139 /* XXX temporary */ 140 #define IEEE80211_NODE_WDSQ_INIT(_ni, _name) do { \ 141 mtx_init(&(_ni)->ni_wdsq.ifq_mtx, _name, "802.11 wds queue", MTX_DEF);\ 142 (_ni)->ni_wdsq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \ 143 } while (0) 144 #define IEEE80211_NODE_WDSQ_DESTROY(_ni) do { \ 145 mtx_destroy(&(_ni)->ni_wdsq.ifq_mtx); \ 146 } while (0) 147 #define IEEE80211_NODE_WDSQ_QLEN(_ni) _IF_QLEN(&(_ni)->ni_wdsq) 148 #define IEEE80211_NODE_WDSQ_LOCK(_ni) IF_LOCK(&(_ni)->ni_wdsq) 149 #define IEEE80211_NODE_WDSQ_UNLOCK(_ni) IF_UNLOCK(&(_ni)->ni_wdsq) 150 #define _IEEE80211_NODE_WDSQ_DEQUEUE_HEAD(_ni, _m) do { \ 151 _IF_DEQUEUE(&(_ni)->ni_wdsq, m); \ 152 } while (0) 153 #define _IEEE80211_NODE_WDSQ_ENQUEUE(_ni, _m, _qlen, _age) do { \ 154 _AGEQ_ENQUEUE(&ni->ni_wdsq, _m, _qlen, _age); \ 155 } while (0) 156 157 /* 158 * 802.1x MAC ACL database locking definitions. 159 */ 160 typedef struct mtx acl_lock_t; 161 #define ACL_LOCK_INIT(_as, _name) \ 162 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF) 163 #define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock) 164 #define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock) 165 #define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock) 166 #define ACL_LOCK_ASSERT(_as) \ 167 mtx_assert((&(_as)->as_lock), MA_OWNED) 168 169 /* 170 * Node reference counting definitions. 171 * 172 * ieee80211_node_initref initialize the reference count to 1 173 * ieee80211_node_incref add a reference 174 * ieee80211_node_decref remove a reference 175 * ieee80211_node_dectestref remove a reference and return 1 if this 176 * is the last reference, otherwise 0 177 * ieee80211_node_refcnt reference count for printing (only) 178 */ 179 #include <machine/atomic.h> 180 181 #define ieee80211_node_initref(_ni) \ 182 do { ((_ni)->ni_refcnt = 1); } while (0) 183 #define ieee80211_node_incref(_ni) \ 184 atomic_add_int(&(_ni)->ni_refcnt, 1) 185 #define ieee80211_node_decref(_ni) \ 186 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 187 struct ieee80211_node; 188 int ieee80211_node_dectestref(struct ieee80211_node *ni); 189 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 190 191 struct ifqueue; 192 struct ieee80211vap; 193 void ieee80211_drain_ifq(struct ifqueue *); 194 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 195 196 void ieee80211_vap_destroy(struct ieee80211vap *); 197 198 #define IFNET_IS_UP_RUNNING(_ifp) \ 199 (((_ifp)->if_flags & IFF_UP) && \ 200 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 201 202 #define msecs_to_ticks(ms) (((ms)*hz)/1000) 203 #define ticks_to_msecs(t) (1000*(t) / hz) 204 #define ticks_to_secs(t) ((t) / hz) 205 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 206 #define time_before(a,b) time_after(b,a) 207 #define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 208 #define time_before_eq(a,b) time_after_eq(b,a) 209 210 #define memmove(dst, src, n) ovbcopy(src, dst, n) 211 212 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 213 214 /* tx path usage */ 215 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 216 #define M_WDS M_PROTO2 /* WDS frame */ 217 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 218 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 219 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 220 #define M_FF M_PROTO6 /* fast frame */ 221 #define M_TXCB M_PROTO7 /* do tx complete callback */ 222 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 223 #define M_80211_TX \ 224 (M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_WDS|M_EAPOL|M_PWR_SAV|\ 225 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU) 226 227 /* rx path usage */ 228 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 229 #define M_WEP M_PROTO2 /* WEP done by hardware */ 230 #if 0 231 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 232 #endif 233 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 234 /* 235 * Store WME access control bits in the vlan tag. 236 * This is safe since it's done after the packet is classified 237 * (where we use any previous tag) and because it's passed 238 * directly in to the driver and there's no chance someone 239 * else will clobber them on us. 240 */ 241 #define M_WME_SETAC(m, ac) \ 242 ((m)->m_pkthdr.ether_vtag = (ac)) 243 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 244 245 /* 246 * Mbufs on the power save queue are tagged with an age and 247 * timed out. We reuse the hardware checksum field in the 248 * mbuf packet header to store this data. 249 */ 250 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 251 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 252 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 253 254 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 255 256 struct ieee80211_cb { 257 void (*func)(struct ieee80211_node *, void *, int status); 258 void *arg; 259 }; 260 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 261 int ieee80211_add_callback(struct mbuf *m, 262 void (*func)(struct ieee80211_node *, void *, int), void *arg); 263 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 264 265 void get_random_bytes(void *, size_t); 266 267 struct ieee80211com; 268 269 void ieee80211_sysctl_attach(struct ieee80211com *); 270 void ieee80211_sysctl_detach(struct ieee80211com *); 271 void ieee80211_sysctl_vattach(struct ieee80211vap *); 272 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 273 274 void ieee80211_load_module(const char *); 275 276 /* 277 * A "policy module" is an adjunct module to net80211 that provides 278 * functionality that typically includes policy decisions. This 279 * modularity enables extensibility and vendor-supplied functionality. 280 */ 281 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 282 typedef void (*policy##_setup)(int); \ 283 SET_DECLARE(policy##_set, policy##_setup); \ 284 static int \ 285 wlan_##name##_modevent(module_t mod, int type, void *unused) \ 286 { \ 287 policy##_setup * const *iter, f; \ 288 switch (type) { \ 289 case MOD_LOAD: \ 290 SET_FOREACH(iter, policy##_set) { \ 291 f = (void*) *iter; \ 292 f(type); \ 293 } \ 294 return 0; \ 295 case MOD_UNLOAD: \ 296 case MOD_QUIESCE: \ 297 if (nrefs) { \ 298 printf("wlan_##name: still in use (%u dynamic refs)\n",\ 299 nrefs); \ 300 return EBUSY; \ 301 } \ 302 if (type == MOD_UNLOAD) { \ 303 SET_FOREACH(iter, policy##_set) { \ 304 f = (void*) *iter; \ 305 f(type); \ 306 } \ 307 } \ 308 return 0; \ 309 } \ 310 return EINVAL; \ 311 } \ 312 static moduledata_t name##_mod = { \ 313 "wlan_" #name, \ 314 wlan_##name##_modevent, \ 315 0 \ 316 }; \ 317 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ 318 MODULE_VERSION(wlan_##name, version); \ 319 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1) 320 321 /* 322 * Crypto modules implement cipher support. 323 */ 324 #define IEEE80211_CRYPTO_MODULE(name, version) \ 325 _IEEE80211_POLICY_MODULE(crypto, name, version); \ 326 static void \ 327 name##_modevent(int type) \ 328 { \ 329 if (type == MOD_LOAD) \ 330 ieee80211_crypto_register(&name); \ 331 else \ 332 ieee80211_crypto_unregister(&name); \ 333 } \ 334 TEXT_SET(crypto##_set, name##_modevent) 335 336 /* 337 * Scanner modules provide scanning policy. 338 */ 339 #define IEEE80211_SCANNER_MODULE(name, version) \ 340 _IEEE80211_POLICY_MODULE(scanner, name, version) 341 342 #define IEEE80211_SCANNER_ALG(name, alg, v) \ 343 static void \ 344 name##_modevent(int type) \ 345 { \ 346 if (type == MOD_LOAD) \ 347 ieee80211_scanner_register(alg, &v); \ 348 else \ 349 ieee80211_scanner_unregister(alg, &v); \ 350 } \ 351 TEXT_SET(scanner_set, name##_modevent); \ 352 353 /* 354 * ACL modules implement acl policy. 355 */ 356 #define IEEE80211_ACL_MODULE(name, alg, version) \ 357 _IEEE80211_POLICY_MODULE(acl, name, version); \ 358 static void \ 359 alg##_modevent(int type) \ 360 { \ 361 if (type == MOD_LOAD) \ 362 ieee80211_aclator_register(&alg); \ 363 else \ 364 ieee80211_aclator_unregister(&alg); \ 365 } \ 366 TEXT_SET(acl_set, alg##_modevent); \ 367 368 /* 369 * Authenticator modules handle 802.1x/WPA authentication. 370 */ 371 #define IEEE80211_AUTH_MODULE(name, version) \ 372 _IEEE80211_POLICY_MODULE(auth, name, version) 373 374 #define IEEE80211_AUTH_ALG(name, alg, v) \ 375 static void \ 376 name##_modevent(int type) \ 377 { \ 378 if (type == MOD_LOAD) \ 379 ieee80211_authenticator_register(alg, &v); \ 380 else \ 381 ieee80211_authenticator_unregister(alg); \ 382 } \ 383 TEXT_SET(auth_set, name##_modevent) 384 385 /* 386 * Rate control modules provide tx rate control support. 387 */ 388 #define IEEE80211_RATE_MODULE(alg, version) \ 389 _IEEE80211_POLICY_MODULE(rate, alg, version); \ 390 static void \ 391 alg##_modevent(int type) \ 392 { \ 393 /* XXX nothing to do until the rate control framework arrives */\ 394 } \ 395 TEXT_SET(rate##_set, alg##_modevent) 396 #endif /* _KERNEL */ 397 398 /* XXX this stuff belongs elsewhere */ 399 /* 400 * Message formats for messages from the net80211 layer to user 401 * applications via the routing socket. These messages are appended 402 * to an if_announcemsghdr structure. 403 */ 404 struct ieee80211_join_event { 405 uint8_t iev_addr[6]; 406 }; 407 408 struct ieee80211_leave_event { 409 uint8_t iev_addr[6]; 410 }; 411 412 struct ieee80211_replay_event { 413 uint8_t iev_src[6]; /* src MAC */ 414 uint8_t iev_dst[6]; /* dst MAC */ 415 uint8_t iev_cipher; /* cipher type */ 416 uint8_t iev_keyix; /* key id/index */ 417 uint64_t iev_keyrsc; /* RSC from key */ 418 uint64_t iev_rsc; /* RSC from frame */ 419 }; 420 421 struct ieee80211_michael_event { 422 uint8_t iev_src[6]; /* src MAC */ 423 uint8_t iev_dst[6]; /* dst MAC */ 424 uint8_t iev_cipher; /* cipher type */ 425 uint8_t iev_keyix; /* key id/index */ 426 }; 427 428 struct ieee80211_wds_event { 429 uint8_t iev_addr[6]; 430 }; 431 432 struct ieee80211_csa_event { 433 uint32_t iev_flags; /* channel flags */ 434 uint16_t iev_freq; /* setting in Mhz */ 435 uint8_t iev_ieee; /* IEEE channel number */ 436 uint8_t iev_mode; /* CSA mode */ 437 uint8_t iev_count; /* CSA count */ 438 }; 439 440 struct ieee80211_cac_event { 441 uint32_t iev_flags; /* channel flags */ 442 uint16_t iev_freq; /* setting in Mhz */ 443 uint8_t iev_ieee; /* IEEE channel number */ 444 /* XXX timestamp? */ 445 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */ 446 }; 447 448 struct ieee80211_radar_event { 449 uint32_t iev_flags; /* channel flags */ 450 uint16_t iev_freq; /* setting in Mhz */ 451 uint8_t iev_ieee; /* IEEE channel number */ 452 /* XXX timestamp? */ 453 }; 454 455 struct ieee80211_auth_event { 456 uint8_t iev_addr[6]; 457 }; 458 459 struct ieee80211_deauth_event { 460 uint8_t iev_addr[6]; 461 }; 462 463 struct ieee80211_country_event { 464 uint8_t iev_addr[6]; 465 uint8_t iev_cc[2]; /* ISO country code */ 466 }; 467 468 struct ieee80211_radio_event { 469 uint8_t iev_state; /* 1 on, 0 off */ 470 }; 471 472 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 473 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 474 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 475 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 476 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 477 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 478 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 479 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 480 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 481 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */ 482 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */ 483 #define RTM_IEEE80211_RADAR 111 /* radar event */ 484 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */ 485 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */ 486 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */ 487 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */ 488 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */ 489 490 /* 491 * Structure prepended to raw packets sent through the bpf 492 * interface when set to DLT_IEEE802_11_RADIO. This allows 493 * user applications to specify pretty much everything in 494 * an Atheros tx descriptor. XXX need to generalize. 495 * 496 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 497 * XXX sa_data area. 498 */ 499 struct ieee80211_bpf_params { 500 uint8_t ibp_vers; /* version */ 501 #define IEEE80211_BPF_VERSION 0 502 uint8_t ibp_len; /* header length in bytes */ 503 uint8_t ibp_flags; 504 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 505 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 506 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 507 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 508 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 509 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 510 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 511 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 512 uint8_t ibp_try0; /* series 1 try count */ 513 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 514 uint8_t ibp_power; /* tx power (device units) */ 515 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 516 uint8_t ibp_try1; /* series 2 try count */ 517 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 518 uint8_t ibp_try2; /* series 3 try count */ 519 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 520 uint8_t ibp_try3; /* series 4 try count */ 521 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 522 }; 523 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */ 524