1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef _NET80211_IEEE80211_PROTO_H_ 29 #define _NET80211_IEEE80211_PROTO_H_ 30 31 /* 32 * 802.11 protocol implementation definitions. 33 */ 34 35 enum ieee80211_state { 36 IEEE80211_S_INIT = 0, /* default state */ 37 IEEE80211_S_SCAN = 1, /* scanning */ 38 IEEE80211_S_AUTH = 2, /* try to authenticate */ 39 IEEE80211_S_ASSOC = 3, /* try to assoc */ 40 IEEE80211_S_CAC = 4, /* doing channel availability check */ 41 IEEE80211_S_RUN = 5, /* operational (e.g. associated) */ 42 IEEE80211_S_CSA = 6, /* channel switch announce pending */ 43 IEEE80211_S_SLEEP = 7, /* power save */ 44 }; 45 #define IEEE80211_S_MAX (IEEE80211_S_SLEEP+1) 46 47 #define IEEE80211_SEND_MGMT(_ni,_type,_arg) \ 48 ((*(_ni)->ni_ic->ic_send_mgmt)(_ni, _type, _arg)) 49 50 extern const char *mgt_subtype_name[]; 51 extern const char *ctl_subtype_name[]; 52 extern const char *ieee80211_phymode_name[IEEE80211_MODE_MAX]; 53 extern const int ieee80211_opcap[IEEE80211_OPMODE_MAX]; 54 55 static __inline const char * 56 ieee80211_mgt_subtype_name(uint8_t subtype) 57 { 58 return mgt_subtype_name[(subtype & IEEE80211_FC0_SUBTYPE_MASK) >> 59 IEEE80211_FC0_SUBTYPE_SHIFT]; 60 } 61 62 static __inline const char * 63 ieee80211_ctl_subtype_name(uint8_t subtype) 64 { 65 return ctl_subtype_name[(subtype & IEEE80211_FC0_SUBTYPE_MASK) >> 66 IEEE80211_FC0_SUBTYPE_SHIFT]; 67 } 68 69 const char *ieee80211_reason_to_string(uint16_t); 70 71 void ieee80211_proto_attach(struct ieee80211com *); 72 void ieee80211_proto_detach(struct ieee80211com *); 73 void ieee80211_proto_vattach(struct ieee80211vap *); 74 void ieee80211_proto_vdetach(struct ieee80211vap *); 75 76 void ieee80211_promisc(struct ieee80211vap *, bool); 77 void ieee80211_allmulti(struct ieee80211vap *, bool); 78 void ieee80211_syncflag(struct ieee80211vap *, int flag); 79 void ieee80211_syncflag_ht(struct ieee80211vap *, int flag); 80 void ieee80211_syncflag_vht(struct ieee80211vap *, int flag); 81 void ieee80211_syncflag_ext(struct ieee80211vap *, int flag); 82 83 #define ieee80211_input(ni, m, rssi, nf) \ 84 ((ni)->ni_vap->iv_input(ni, m, NULL, rssi, nf)) 85 int ieee80211_input_all(struct ieee80211com *, struct mbuf *, int, int); 86 87 int ieee80211_input_mimo(struct ieee80211_node *, struct mbuf *); 88 int ieee80211_input_mimo_all(struct ieee80211com *, struct mbuf *); 89 90 struct ieee80211_bpf_params; 91 int ieee80211_mgmt_output(struct ieee80211_node *, struct mbuf *, int, 92 struct ieee80211_bpf_params *); 93 int ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *, 94 const struct ieee80211_bpf_params *); 95 int ieee80211_output(struct ifnet *, struct mbuf *, 96 const struct sockaddr *, struct route *ro); 97 int ieee80211_vap_pkt_send_dest(struct ieee80211vap *, struct mbuf *, 98 struct ieee80211_node *); 99 int ieee80211_raw_output(struct ieee80211vap *, struct ieee80211_node *, 100 struct mbuf *, const struct ieee80211_bpf_params *); 101 void ieee80211_send_setup(struct ieee80211_node *, struct mbuf *, int, int, 102 const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN], 103 const uint8_t [IEEE80211_ADDR_LEN]); 104 int ieee80211_vap_transmit(struct ifnet *ifp, struct mbuf *m); 105 void ieee80211_vap_qflush(struct ifnet *ifp); 106 int ieee80211_send_nulldata(struct ieee80211_node *); 107 int ieee80211_classify(struct ieee80211_node *, struct mbuf *m); 108 struct mbuf *ieee80211_mbuf_adjust(struct ieee80211vap *, int, 109 struct ieee80211_key *, struct mbuf *); 110 struct mbuf *ieee80211_encap(struct ieee80211vap *, struct ieee80211_node *, 111 struct mbuf *); 112 void ieee80211_free_mbuf(struct mbuf *); 113 int ieee80211_send_mgmt(struct ieee80211_node *, int, int); 114 struct ieee80211_appie; 115 int ieee80211_probereq_ie(struct ieee80211vap *, struct ieee80211com *, 116 uint8_t **, uint32_t *, const uint8_t *, size_t, bool); 117 int ieee80211_send_probereq(struct ieee80211_node *ni, 118 const uint8_t sa[IEEE80211_ADDR_LEN], 119 const uint8_t da[IEEE80211_ADDR_LEN], 120 const uint8_t bssid[IEEE80211_ADDR_LEN], 121 const uint8_t *ssid, size_t ssidlen); 122 struct mbuf * ieee80211_ff_encap1(struct ieee80211vap *, struct mbuf *, 123 const struct ether_header *); 124 void ieee80211_tx_complete(struct ieee80211_node *, 125 struct mbuf *, int); 126 127 /* 128 * The formation of ProbeResponse frames requires guidance to 129 * deal with legacy clients. When the client is identified as 130 * "legacy 11b" ieee80211_send_proberesp is passed this token. 131 */ 132 #define IEEE80211_SEND_LEGACY_11B 0x1 /* legacy 11b client */ 133 #define IEEE80211_SEND_LEGACY_11 0x2 /* other legacy client */ 134 #define IEEE80211_SEND_LEGACY 0x3 /* any legacy client */ 135 struct mbuf *ieee80211_alloc_proberesp(struct ieee80211_node *, int); 136 int ieee80211_send_proberesp(struct ieee80211vap *, 137 const uint8_t da[IEEE80211_ADDR_LEN], int); 138 struct mbuf *ieee80211_alloc_rts(struct ieee80211com *ic, 139 const uint8_t [IEEE80211_ADDR_LEN], 140 const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 141 struct mbuf *ieee80211_alloc_cts(struct ieee80211com *, 142 const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 143 struct mbuf *ieee80211_alloc_prot(struct ieee80211_node *, 144 const struct mbuf *, uint8_t, int); 145 146 uint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *); 147 uint8_t *ieee80211_add_xrates(uint8_t *, const struct ieee80211_rateset *); 148 uint8_t *ieee80211_add_ssid(uint8_t *, const uint8_t *, u_int); 149 uint8_t *ieee80211_add_wpa(uint8_t *, const struct ieee80211vap *); 150 uint8_t *ieee80211_add_rsn(uint8_t *, const struct ieee80211vap *); 151 uint8_t *ieee80211_add_qos(uint8_t *, const struct ieee80211_node *); 152 uint16_t ieee80211_getcapinfo(struct ieee80211vap *, 153 struct ieee80211_channel *); 154 struct ieee80211_wme_state; 155 uint8_t * ieee80211_add_wme_info(uint8_t *frm, struct ieee80211_wme_state *wme, 156 struct ieee80211_node *ni); 157 158 void ieee80211_vap_reset_erp(struct ieee80211vap *); 159 void ieee80211_reset_erp(struct ieee80211com *); 160 void ieee80211_vap_set_shortslottime(struct ieee80211vap *, int onoff); 161 int ieee80211_iserp_rateset(const struct ieee80211_rateset *); 162 void ieee80211_setbasicrates(struct ieee80211_rateset *, 163 enum ieee80211_phymode); 164 void ieee80211_addbasicrates(struct ieee80211_rateset *, 165 enum ieee80211_phymode); 166 167 /* 168 * Return the size of the 802.11 header for a management or data frame. 169 */ 170 static __inline int 171 ieee80211_hdrsize(const void *data) 172 { 173 const struct ieee80211_frame *wh = data; 174 int size = sizeof(struct ieee80211_frame); 175 176 /* NB: we don't handle control frames */ 177 KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL, 178 ("%s: control frame", __func__)); 179 if (IEEE80211_IS_DSTODS(wh)) 180 size += IEEE80211_ADDR_LEN; 181 if (IEEE80211_QOS_HAS_SEQ(wh)) 182 size += sizeof(uint16_t); 183 return size; 184 } 185 186 /* 187 * Like ieee80211_hdrsize, but handles any type of frame. 188 */ 189 static __inline int 190 ieee80211_anyhdrsize(const void *data) 191 { 192 const struct ieee80211_frame *wh = data; 193 194 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 195 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { 196 case IEEE80211_FC0_SUBTYPE_CTS: 197 case IEEE80211_FC0_SUBTYPE_ACK: 198 return sizeof(struct ieee80211_frame_ack); 199 case IEEE80211_FC0_SUBTYPE_BAR: 200 return sizeof(struct ieee80211_frame_bar); 201 } 202 return sizeof(struct ieee80211_frame_min); 203 } else 204 return ieee80211_hdrsize(data); 205 } 206 207 /* 208 * Template for an in-kernel authenticator. Authenticators 209 * register with the protocol code and are typically loaded 210 * as separate modules as needed. One special authenticator 211 * is xauth; it intercepts requests so that protocols like 212 * WPA can be handled in user space. 213 */ 214 struct ieee80211_authenticator { 215 const char *ia_name; /* printable name */ 216 int (*ia_attach)(struct ieee80211vap *); 217 void (*ia_detach)(struct ieee80211vap *); 218 void (*ia_node_join)(struct ieee80211_node *); 219 void (*ia_node_leave)(struct ieee80211_node *); 220 }; 221 void ieee80211_authenticator_register(int type, 222 const struct ieee80211_authenticator *); 223 void ieee80211_authenticator_unregister(int type); 224 const struct ieee80211_authenticator *ieee80211_authenticator_get(int auth); 225 226 struct ieee80211req; 227 /* 228 * Template for an MAC ACL policy module. Such modules 229 * register with the protocol code and are passed the sender's 230 * address of each received auth frame for validation. 231 */ 232 struct ieee80211_aclator { 233 const char *iac_name; /* printable name */ 234 int (*iac_attach)(struct ieee80211vap *); 235 void (*iac_detach)(struct ieee80211vap *); 236 int (*iac_check)(struct ieee80211vap *, 237 const struct ieee80211_frame *wh); 238 int (*iac_add)(struct ieee80211vap *, 239 const uint8_t mac[IEEE80211_ADDR_LEN]); 240 int (*iac_remove)(struct ieee80211vap *, 241 const uint8_t mac[IEEE80211_ADDR_LEN]); 242 int (*iac_flush)(struct ieee80211vap *); 243 int (*iac_setpolicy)(struct ieee80211vap *, int); 244 int (*iac_getpolicy)(struct ieee80211vap *); 245 int (*iac_setioctl)(struct ieee80211vap *, struct ieee80211req *); 246 int (*iac_getioctl)(struct ieee80211vap *, struct ieee80211req *); 247 }; 248 void ieee80211_aclator_register(const struct ieee80211_aclator *); 249 void ieee80211_aclator_unregister(const struct ieee80211_aclator *); 250 const struct ieee80211_aclator *ieee80211_aclator_get(const char *name); 251 252 /* flags for ieee80211_fix_rate() */ 253 #define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 254 #define IEEE80211_F_DOFRATE 0x00000002 /* use fixed legacy rate */ 255 #define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 256 #define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 257 #define IEEE80211_F_DOBRS 0x00000010 /* check basic rate set */ 258 #define IEEE80211_F_JOIN 0x00000020 /* sta joining our bss */ 259 #define IEEE80211_F_DOFMCS 0x00000040 /* use fixed HT rate */ 260 int ieee80211_fix_rate(struct ieee80211_node *, 261 struct ieee80211_rateset *, int); 262 263 /* 264 * WME/WMM support. 265 */ 266 struct wmeParams { 267 uint8_t wmep_acm; 268 uint8_t wmep_aifsn; 269 uint8_t wmep_logcwmin; /* log2(cwmin) */ 270 uint8_t wmep_logcwmax; /* log2(cwmax) */ 271 uint8_t wmep_txopLimit; 272 uint8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */ 273 }; 274 #define IEEE80211_TXOP_TO_US(_txop) ((_txop)<<5) 275 #define IEEE80211_US_TO_TXOP(_us) ((_us)>>5) 276 277 struct chanAccParams { 278 uint8_t cap_info; /* version of the current set */ 279 struct wmeParams cap_wmeParams[WME_NUM_AC]; 280 }; 281 282 struct ieee80211_wme_state { 283 u_int wme_flags; 284 #define WME_F_AGGRMODE 0x00000001 /* STATUS: WME aggressive mode */ 285 u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */ 286 u_int wme_hipri_switch_thresh;/* aggressive mode switch thresh */ 287 u_int wme_hipri_switch_hysteresis;/* aggressive mode switch hysteresis */ 288 289 struct wmeParams wme_params[WME_NUM_AC]; /* from assoc resp for each AC */ 290 struct chanAccParams wme_wmeChanParams; /* WME params applied to self */ 291 struct chanAccParams wme_wmeBssChanParams;/* WME params bcast to stations */ 292 struct chanAccParams wme_chanParams; /* params applied to self */ 293 struct chanAccParams wme_bssChanParams; /* params bcast to stations */ 294 295 int (*wme_update)(struct ieee80211com *); 296 }; 297 298 void ieee80211_wme_initparams(struct ieee80211vap *); 299 void ieee80211_wme_updateparams(struct ieee80211vap *); 300 void ieee80211_wme_updateparams_locked(struct ieee80211vap *); 301 void ieee80211_wme_vap_getparams(struct ieee80211vap *vap, 302 struct chanAccParams *); 303 void ieee80211_wme_ic_getparams(struct ieee80211com *ic, 304 struct chanAccParams *); 305 int ieee80211_wme_vap_ac_is_noack(struct ieee80211vap *vap, int ac); 306 void ieee80211_vap_update_preamble(struct ieee80211vap *vap); 307 void ieee80211_vap_update_erp_protmode(struct ieee80211vap *vap); 308 void ieee80211_vap_update_ht_protmode(struct ieee80211vap *vap); 309 310 /* 311 * Return pointer to the QoS field from a Qos frame. 312 */ 313 static __inline uint8_t * 314 ieee80211_getqos(void *data) 315 { 316 struct ieee80211_frame *wh = data; 317 318 KASSERT(IEEE80211_QOS_HAS_SEQ(wh), ("QoS field is absent!")); 319 320 if (IEEE80211_IS_DSTODS(wh)) 321 return (((struct ieee80211_qosframe_addr4 *)wh)->i_qos); 322 else 323 return (((struct ieee80211_qosframe *)wh)->i_qos); 324 } 325 326 /* 327 * Return the WME TID from a QoS frame. If no TID 328 * is present return the index for the "non-QoS" entry. 329 */ 330 static __inline uint8_t 331 ieee80211_gettid(const struct ieee80211_frame *wh) 332 { 333 uint8_t tid; 334 335 if (IEEE80211_QOS_HAS_SEQ(wh)) { 336 if (IEEE80211_IS_DSTODS(wh)) 337 tid = ((const struct ieee80211_qosframe_addr4 *)wh)-> 338 i_qos[0]; 339 else 340 tid = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 341 tid &= IEEE80211_QOS_TID; 342 } else 343 tid = IEEE80211_NONQOS_TID; 344 return tid; 345 } 346 347 void ieee80211_waitfor_parent(struct ieee80211com *); 348 void ieee80211_start_locked(struct ieee80211vap *); 349 void ieee80211_init(void *); 350 void ieee80211_start_all(struct ieee80211com *); 351 void ieee80211_stop_locked(struct ieee80211vap *); 352 void ieee80211_stop(struct ieee80211vap *); 353 void ieee80211_stop_all(struct ieee80211com *); 354 void ieee80211_suspend_all(struct ieee80211com *); 355 void ieee80211_resume_all(struct ieee80211com *); 356 void ieee80211_restart_all(struct ieee80211com *); 357 void ieee80211_dturbo_switch(struct ieee80211vap *, int newflags); 358 void ieee80211_swbmiss(void *arg); 359 void ieee80211_beacon_miss(struct ieee80211com *); 360 int ieee80211_new_state(struct ieee80211vap *, enum ieee80211_state, int); 361 int ieee80211_new_state_locked(struct ieee80211vap *, enum ieee80211_state, 362 int); 363 void ieee80211_print_essid(const uint8_t *, int); 364 void ieee80211_dump_pkt(struct ieee80211com *, 365 const uint8_t *, int, int, int); 366 367 extern const char *ieee80211_opmode_name[]; 368 extern const char *ieee80211_state_name[IEEE80211_S_MAX]; 369 extern const char *ieee80211_wme_acnames[]; 370 371 /* 372 * Beacon frames constructed by ieee80211_beacon_alloc 373 * have the following structure filled in so drivers 374 * can update the frame later w/ minimal overhead. 375 */ 376 struct ieee80211_beacon_offsets { 377 uint8_t bo_flags[4]; /* update/state flags */ 378 uint16_t *bo_caps; /* capabilities */ 379 uint8_t *bo_cfp; /* start of CFParms element */ 380 uint8_t *bo_tim; /* start of atim/dtim */ 381 uint8_t *bo_wme; /* start of WME parameters */ 382 uint8_t *bo_tdma; /* start of TDMA parameters */ 383 uint8_t *bo_tim_trailer;/* start of fixed-size trailer */ 384 uint16_t bo_tim_len; /* atim/dtim length in bytes */ 385 uint16_t bo_tim_trailer_len;/* tim trailer length in bytes */ 386 uint8_t *bo_erp; /* start of ERP element */ 387 uint8_t *bo_htinfo; /* start of HT info element */ 388 uint8_t *bo_ath; /* start of ATH parameters */ 389 uint8_t *bo_appie; /* start of AppIE element */ 390 uint16_t bo_appie_len; /* AppIE length in bytes */ 391 uint16_t bo_csa_trailer_len; 392 uint8_t *bo_csa; /* start of CSA element */ 393 uint8_t *bo_quiet; /* start of Quiet element */ 394 uint8_t *bo_meshconf; /* start of MESHCONF element */ 395 uint8_t *bo_vhtinfo; /* start of VHT info element (XXX VHTCAP?) */ 396 uint8_t *bo_spare[2]; 397 }; 398 struct mbuf *ieee80211_beacon_alloc(struct ieee80211_node *); 399 400 /* 401 * Beacon frame updates are signaled through calls to iv_update_beacon 402 * with one of the IEEE80211_BEACON_* tokens defined below. For devices 403 * that construct beacon frames on the host this can trigger a rebuild 404 * or defer the processing. For devices that offload beacon frame 405 * handling this callback can be used to signal a rebuild. The bo_flags 406 * array in the ieee80211_beacon_offsets structure is intended to record 407 * deferred processing requirements; ieee80211_beacon_update uses the 408 * state to optimize work. Since this structure is owned by the driver 409 * and not visible to the 802.11 layer drivers must supply an iv_update_beacon 410 * callback that marks the flag bits and schedules (as necessary) an update. 411 */ 412 enum { 413 IEEE80211_BEACON_CAPS = 0, /* capabilities */ 414 IEEE80211_BEACON_TIM = 1, /* DTIM/ATIM */ 415 IEEE80211_BEACON_WME = 2, 416 IEEE80211_BEACON_ERP = 3, /* Extended Rate Phy */ 417 IEEE80211_BEACON_HTINFO = 4, /* HT Information */ 418 IEEE80211_BEACON_APPIE = 5, /* Application IE's */ 419 IEEE80211_BEACON_CFP = 6, /* CFParms */ 420 IEEE80211_BEACON_CSA = 7, /* Channel Switch Announcement */ 421 IEEE80211_BEACON_TDMA = 9, /* TDMA Info */ 422 IEEE80211_BEACON_ATH = 10, /* ATH parameters */ 423 IEEE80211_BEACON_MESHCONF = 11, /* Mesh Configuration */ 424 IEEE80211_BEACON_QUIET = 12, /* Quiet time IE */ 425 IEEE80211_BEACON_VHTINFO = 13, /* VHT information */ 426 }; 427 int ieee80211_beacon_update(struct ieee80211_node *, 428 struct mbuf *, int mcast); 429 430 void ieee80211_csa_startswitch(struct ieee80211com *, 431 struct ieee80211_channel *, int mode, int count); 432 void ieee80211_csa_completeswitch(struct ieee80211com *); 433 void ieee80211_csa_cancelswitch(struct ieee80211com *); 434 void ieee80211_cac_completeswitch(struct ieee80211vap *); 435 436 /* 437 * Notification methods called from the 802.11 state machine. 438 * Note that while these are defined here, their implementation 439 * is OS-specific. 440 */ 441 void ieee80211_notify_node_join(struct ieee80211_node *, int newassoc); 442 void ieee80211_notify_node_leave(struct ieee80211_node *); 443 void ieee80211_notify_scan_done(struct ieee80211vap *); 444 void ieee80211_notify_wds_discover(struct ieee80211_node *); 445 void ieee80211_notify_csa(struct ieee80211com *, 446 const struct ieee80211_channel *, int mode, int count); 447 void ieee80211_notify_radar(struct ieee80211com *, 448 const struct ieee80211_channel *); 449 enum ieee80211_notify_cac_event { 450 IEEE80211_NOTIFY_CAC_START = 0, /* CAC timer started */ 451 IEEE80211_NOTIFY_CAC_STOP = 1, /* CAC intentionally stopped */ 452 IEEE80211_NOTIFY_CAC_RADAR = 2, /* CAC stopped due to radar detectio */ 453 IEEE80211_NOTIFY_CAC_EXPIRE = 3, /* CAC expired w/o radar */ 454 }; 455 void ieee80211_notify_cac(struct ieee80211com *, 456 const struct ieee80211_channel *, 457 enum ieee80211_notify_cac_event); 458 void ieee80211_notify_node_deauth(struct ieee80211_node *); 459 void ieee80211_notify_node_auth(struct ieee80211_node *); 460 void ieee80211_notify_country(struct ieee80211vap *, 461 const uint8_t [IEEE80211_ADDR_LEN], const uint8_t cc[2]); 462 void ieee80211_notify_radio(struct ieee80211com *, int); 463 void ieee80211_notify_ifnet_change(struct ieee80211vap *, int); 464 #endif /* _NET80211_IEEE80211_PROTO_H_ */ 465