1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/net80211/ieee80211_node.h 206358 2010-04-07 15:29:13Z rpaulo $ 27 * $DragonFly$ 28 */ 29 #ifndef _NET80211_IEEE80211_NODE_H_ 30 #define _NET80211_IEEE80211_NODE_H_ 31 32 #include <netproto/802_11/ieee80211_ioctl.h> /* for ieee80211_nodestats */ 33 #include <netproto/802_11/ieee80211_ht.h> /* for aggregation state */ 34 35 /* 36 * Each ieee80211com instance has a single timer that fires every 37 * IEEE80211_INACT_WAIT seconds to handle "inactivity processing". 38 * This is used to do node inactivity processing when operating 39 * as an AP, adhoc or mesh mode. For inactivity processing each node 40 * has a timeout set in it's ni_inact field that is decremented 41 * on each timeout and the node is reclaimed when the counter goes 42 * to zero. We use different inactivity timeout values depending 43 * on whether the node is associated and authorized (either by 44 * 802.1x or open/shared key authentication) or associated but yet 45 * to be authorized. The latter timeout is shorter to more aggressively 46 * reclaim nodes that leave part way through the 802.1x exchange. 47 */ 48 #define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */ 49 #define IEEE80211_INACT_INIT (30/IEEE80211_INACT_WAIT) /* initial */ 50 #define IEEE80211_INACT_AUTH (180/IEEE80211_INACT_WAIT) /* associated but not authorized */ 51 #define IEEE80211_INACT_RUN (300/IEEE80211_INACT_WAIT) /* authorized */ 52 #define IEEE80211_INACT_PROBE (30/IEEE80211_INACT_WAIT) /* probe */ 53 #define IEEE80211_INACT_SCAN (300/IEEE80211_INACT_WAIT) /* scanned */ 54 55 #define IEEE80211_TRANS_WAIT 2 /* mgt frame tx timer (secs) */ 56 57 /* threshold for aging overlapping non-ERP bss */ 58 #define IEEE80211_NONERP_PRESENT_AGE msecs_to_ticks(60*1000) 59 60 #define IEEE80211_NODE_HASHSIZE 32 /* NB: hash size must be pow2 */ 61 /* simple hash is enough for variation of macaddr */ 62 #define IEEE80211_NODE_HASH(ic, addr) \ 63 (((const uint8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % \ 64 IEEE80211_NODE_HASHSIZE) 65 66 struct ieee80211_node_table; 67 struct ieee80211com; 68 struct ieee80211vap; 69 70 /* 71 * Information element ``blob''. We use this structure 72 * to capture management frame payloads that need to be 73 * retained. Information elements within the payload that 74 * we need to consult have references recorded. 75 */ 76 struct ieee80211_ies { 77 /* the following are either NULL or point within data */ 78 uint8_t *wpa_ie; /* captured WPA ie */ 79 uint8_t *rsn_ie; /* captured RSN ie */ 80 uint8_t *wme_ie; /* captured WME ie */ 81 uint8_t *ath_ie; /* captured Atheros ie */ 82 uint8_t *htcap_ie; /* captured HTCAP ie */ 83 uint8_t *htinfo_ie; /* captured HTINFO ie */ 84 uint8_t *tdma_ie; /* captured TDMA ie */ 85 uint8_t *meshid_ie; /* captured MESH ID ie */ 86 uint8_t *spare[4]; 87 /* NB: these must be the last members of this structure */ 88 uint8_t *data; /* frame data > 802.11 header */ 89 int len; /* data size in bytes */ 90 }; 91 92 /* 93 * 802.11s (Mesh) Peer Link FSM state. 94 */ 95 enum ieee80211_mesh_mlstate { 96 IEEE80211_NODE_MESH_IDLE = 0, 97 IEEE80211_NODE_MESH_OPENSNT = 1, /* open frame sent */ 98 IEEE80211_NODE_MESH_OPENRCV = 2, /* open frame received */ 99 IEEE80211_NODE_MESH_CONFIRMRCV = 3, /* confirm frame received */ 100 IEEE80211_NODE_MESH_ESTABLISHED = 4, /* link established */ 101 IEEE80211_NODE_MESH_HOLDING = 5, /* link closing */ 102 }; 103 #define IEEE80211_MESH_MLSTATE_BITS \ 104 "\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING" 105 106 /* 107 * Node specific information. Note that drivers are expected 108 * to derive from this structure to add device-specific per-node 109 * state. This is done by overriding the ic_node_* methods in 110 * the ieee80211com structure. 111 */ 112 struct ieee80211_node { 113 struct ieee80211vap *ni_vap; /* associated vap */ 114 struct ieee80211com *ni_ic; /* copy from vap to save deref*/ 115 struct ieee80211_node_table *ni_table; /* NB: may be NULL */ 116 TAILQ_ENTRY(ieee80211_node) ni_list; /* list of all nodes */ 117 LIST_ENTRY(ieee80211_node) ni_hash; /* hash collision list */ 118 u_int ni_refcnt; /* count of held references */ 119 u_int ni_scangen; /* gen# for timeout scan */ 120 u_int ni_flags; 121 #define IEEE80211_NODE_AUTH 0x000001 /* authorized for data */ 122 #define IEEE80211_NODE_QOS 0x000002 /* QoS enabled */ 123 #define IEEE80211_NODE_ERP 0x000004 /* ERP enabled */ 124 /* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */ 125 #define IEEE80211_NODE_PWR_MGT 0x000010 /* power save mode enabled */ 126 #define IEEE80211_NODE_AREF 0x000020 /* authentication ref held */ 127 #define IEEE80211_NODE_HT 0x000040 /* HT enabled */ 128 #define IEEE80211_NODE_HTCOMPAT 0x000080 /* HT setup w/ vendor OUI's */ 129 #define IEEE80211_NODE_WPS 0x000100 /* WPS association */ 130 #define IEEE80211_NODE_TSN 0x000200 /* TSN association */ 131 #define IEEE80211_NODE_AMPDU_RX 0x000400 /* AMPDU rx enabled */ 132 #define IEEE80211_NODE_AMPDU_TX 0x000800 /* AMPDU tx enabled */ 133 #define IEEE80211_NODE_MIMO_PS 0x001000 /* MIMO power save enabled */ 134 #define IEEE80211_NODE_MIMO_RTS 0x002000 /* send RTS in MIMO PS */ 135 #define IEEE80211_NODE_RIFS 0x004000 /* RIFS enabled */ 136 #define IEEE80211_NODE_SGI20 0x008000 /* Short GI in HT20 enabled */ 137 #define IEEE80211_NODE_SGI40 0x010000 /* Short GI in HT40 enabled */ 138 #define IEEE80211_NODE_ASSOCID 0x020000 /* xmit requires associd */ 139 #define IEEE80211_NODE_AMSDU_RX 0x040000 /* AMSDU rx enabled */ 140 #define IEEE80211_NODE_AMSDU_TX 0x080000 /* AMSDU tx enabled */ 141 uint16_t ni_associd; /* association ID */ 142 uint16_t ni_vlan; /* vlan tag */ 143 uint16_t ni_txpower; /* current transmit power */ 144 uint8_t ni_authmode; /* authentication algorithm */ 145 uint8_t ni_ath_flags; /* Atheros feature flags */ 146 /* NB: These must have the same values as IEEE80211_ATHC_* */ 147 #define IEEE80211_NODE_TURBOP 0x0001 /* Turbo prime enable */ 148 #define IEEE80211_NODE_COMP 0x0002 /* Compresssion enable */ 149 #define IEEE80211_NODE_FF 0x0004 /* Fast Frame capable */ 150 #define IEEE80211_NODE_XR 0x0008 /* Atheros WME enable */ 151 #define IEEE80211_NODE_AR 0x0010 /* AR capable */ 152 #define IEEE80211_NODE_BOOST 0x0080 /* Dynamic Turbo boosted */ 153 uint16_t ni_ath_defkeyix;/* Atheros def key index */ 154 const struct ieee80211_txparam *ni_txparms; 155 uint32_t ni_jointime; /* time of join (secs) */ 156 uint32_t *ni_challenge; /* shared-key challenge */ 157 struct ieee80211_ies ni_ies; /* captured ie's */ 158 /* tx seq per-tid */ 159 ieee80211_seq ni_txseqs[IEEE80211_TID_SIZE]; 160 /* rx seq previous per-tid*/ 161 ieee80211_seq ni_rxseqs[IEEE80211_TID_SIZE]; 162 uint32_t ni_rxfragstamp; /* time stamp of last rx frag */ 163 struct mbuf *ni_rxfrag[3]; /* rx frag reassembly */ 164 struct ieee80211_key ni_ucastkey; /* unicast key */ 165 166 /* hardware */ 167 uint32_t ni_avgrssi; /* recv ssi state */ 168 int8_t ni_noise; /* noise floor */ 169 170 /* header */ 171 uint8_t ni_macaddr[IEEE80211_ADDR_LEN]; 172 uint8_t ni_bssid[IEEE80211_ADDR_LEN]; 173 174 /* beacon, probe response */ 175 union { 176 uint8_t data[8]; 177 u_int64_t tsf; 178 } ni_tstamp; /* from last rcv'd beacon */ 179 uint16_t ni_intval; /* beacon interval */ 180 uint16_t ni_capinfo; /* capabilities */ 181 uint8_t ni_esslen; 182 uint8_t ni_essid[IEEE80211_NWID_LEN]; 183 struct ieee80211_rateset ni_rates; /* negotiated rate set */ 184 struct ieee80211_channel *ni_chan; 185 uint16_t ni_fhdwell; /* FH only */ 186 uint8_t ni_fhindex; /* FH only */ 187 uint16_t ni_erp; /* ERP from beacon/probe resp */ 188 uint16_t ni_timoff; /* byte offset to TIM ie */ 189 uint8_t ni_dtim_period; /* DTIM period */ 190 uint8_t ni_dtim_count; /* DTIM count for last bcn */ 191 192 /* 11s state */ 193 uint8_t ni_meshidlen; 194 uint8_t ni_meshid[IEEE80211_MESHID_LEN]; 195 enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */ 196 uint16_t ni_mllid; /* link local ID */ 197 uint16_t ni_mlpid; /* link peer ID */ 198 struct callout ni_mltimer; /* link mesh timer */ 199 uint8_t ni_mlrcnt; /* link mesh retry counter */ 200 uint8_t ni_mltval; /* link mesh timer value */ 201 202 /* 11n state */ 203 uint16_t ni_htcap; /* HT capabilities */ 204 uint8_t ni_htparam; /* HT params */ 205 uint8_t ni_htctlchan; /* HT control channel */ 206 uint8_t ni_ht2ndchan; /* HT 2nd channel */ 207 uint8_t ni_htopmode; /* HT operating mode */ 208 uint8_t ni_htstbc; /* HT */ 209 uint8_t ni_chw; /* negotiated channel width */ 210 struct ieee80211_htrateset ni_htrates; /* negotiated ht rate set */ 211 struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_AC]; 212 struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID]; 213 214 /* others */ 215 short ni_inact; /* inactivity mark count */ 216 short ni_inact_reload;/* inactivity reload value */ 217 int ni_txrate; /* legacy rate/MCS */ 218 struct ieee80211_psq ni_psq; /* power save queue */ 219 struct ieee80211_nodestats ni_stats; /* per-node statistics */ 220 221 struct ieee80211vap *ni_wdsvap; /* associated WDS vap */ 222 void *ni_rctls; /* private ratectl state */ 223 uint64_t ni_spare[3]; 224 }; 225 MALLOC_DECLARE(M_80211_NODE); 226 MALLOC_DECLARE(M_80211_NODE_IE); 227 228 #define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP) 229 #define IEEE80211_NODE_AMPDU \ 230 (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX) 231 #define IEEE80211_NODE_AMSDU \ 232 (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX) 233 #define IEEE80211_NODE_HT_ALL \ 234 (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \ 235 IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \ 236 IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \ 237 IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40) 238 239 #define IEEE80211_NODE_BITS \ 240 "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \ 241 "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \ 242 "\22ASSOCID" 243 244 #define IEEE80211_NODE_AID(ni) IEEE80211_AID(ni->ni_associd) 245 246 #define IEEE80211_NODE_STAT(ni,stat) (ni->ni_stats.ns_##stat++) 247 #define IEEE80211_NODE_STAT_ADD(ni,stat,v) (ni->ni_stats.ns_##stat += v) 248 #define IEEE80211_NODE_STAT_SET(ni,stat,v) (ni->ni_stats.ns_##stat = v) 249 250 /* 251 * Filtered rssi calculation support. The receive rssi is maintained 252 * as an average over the last 10 frames received using a low pass filter 253 * (all frames for now, possibly need to be more selective). Calculations 254 * are designed such that a good compiler can optimize them. The avg 255 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and 256 * each sample incorporated with IEEE80211_RSSI_LPF. Use IEEE80211_RSSI_GET 257 * to extract the current value. 258 * 259 * Note that we assume rssi data are in the range [-127..127] and we 260 * discard values <-20. This is consistent with assumptions throughout 261 * net80211 that signal strength data are in .5 dBm units relative to 262 * the current noise floor (linear, not log). 263 */ 264 #define IEEE80211_RSSI_LPF_LEN 10 265 #define IEEE80211_RSSI_DUMMY_MARKER 127 266 /* NB: pow2 to optimize out * and / */ 267 #define IEEE80211_RSSI_EP_MULTIPLIER (1<<7) 268 #define IEEE80211_RSSI_IN(x) ((x) * IEEE80211_RSSI_EP_MULTIPLIER) 269 #define _IEEE80211_RSSI_LPF(x, y, len) \ 270 (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) 271 #define IEEE80211_RSSI_LPF(x, y) do { \ 272 if ((y) >= -20) { \ 273 x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), \ 274 IEEE80211_RSSI_LPF_LEN); \ 275 } \ 276 } while (0) 277 #define IEEE80211_RSSI_EP_RND(x, mul) \ 278 ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) 279 #define IEEE80211_RSSI_GET(x) \ 280 IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER) 281 282 static __inline struct ieee80211_node * 283 ieee80211_ref_node(struct ieee80211_node *ni) 284 { 285 ieee80211_node_incref(ni); 286 return ni; 287 } 288 289 static __inline void 290 ieee80211_unref_node(struct ieee80211_node **ni) 291 { 292 ieee80211_node_decref(*ni); 293 *ni = NULL; /* guard against use */ 294 } 295 296 struct ieee80211com; 297 298 void ieee80211_node_attach(struct ieee80211com *); 299 void ieee80211_node_lateattach(struct ieee80211com *); 300 void ieee80211_node_detach(struct ieee80211com *); 301 void ieee80211_node_vattach(struct ieee80211vap *); 302 void ieee80211_node_latevattach(struct ieee80211vap *); 303 void ieee80211_node_vdetach(struct ieee80211vap *); 304 305 static __inline int 306 ieee80211_node_is_authorized(const struct ieee80211_node *ni) 307 { 308 return (ni->ni_flags & IEEE80211_NODE_AUTH); 309 } 310 311 void ieee80211_node_authorize(struct ieee80211_node *); 312 void ieee80211_node_unauthorize(struct ieee80211_node *); 313 314 void ieee80211_node_setuptxparms(struct ieee80211_node *); 315 void ieee80211_node_set_chan(struct ieee80211_node *, 316 struct ieee80211_channel *); 317 void ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *); 318 void ieee80211_reset_bss(struct ieee80211vap *); 319 void ieee80211_sync_curchan(struct ieee80211com *); 320 void ieee80211_setupcurchan(struct ieee80211com *, 321 struct ieee80211_channel *); 322 void ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *); 323 int ieee80211_ibss_merge(struct ieee80211_node *); 324 struct ieee80211_scan_entry; 325 int ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *, 326 const struct ieee80211_scan_entry *); 327 void ieee80211_sta_leave(struct ieee80211_node *); 328 void ieee80211_node_deauth(struct ieee80211_node *, int); 329 330 int ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int); 331 void ieee80211_ies_cleanup(struct ieee80211_ies *); 332 void ieee80211_ies_expand(struct ieee80211_ies *); 333 #define ieee80211_ies_setie(_ies, _ie, _off) do { \ 334 (_ies)._ie = (_ies).data + (_off); \ 335 } while (0) 336 337 /* 338 * Table of ieee80211_node instances. Each ieee80211com 339 * has one that holds association stations (when operating 340 * as an ap) or neighbors (in ibss mode). 341 * 342 * XXX embed this in ieee80211com instead of indirect? 343 */ 344 struct ieee80211_node_table { 345 struct ieee80211com *nt_ic; /* back reference */ 346 TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */ 347 LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE]; 348 struct ieee80211_node **nt_keyixmap; /* key ix -> node map */ 349 int nt_keyixmax; /* keyixmap size */ 350 const char *nt_name; /* table name for debug msgs */ 351 u_int nt_scangen; /* gen# for iterators */ 352 int nt_inact_init; /* initial node inact setting */ 353 }; 354 355 struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *, 356 struct ieee80211vap *, 357 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 358 struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *, 359 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 360 struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *, 361 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 362 struct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *, 363 const uint8_t bssid[IEEE80211_ADDR_LEN], 364 struct ieee80211_channel *); 365 #ifdef IEEE80211_DEBUG_REFCNT 366 void ieee80211_free_node_debug(struct ieee80211_node *, 367 const char *func, int line); 368 struct ieee80211_node *ieee80211_find_node_locked_debug( 369 struct ieee80211_node_table *, 370 const uint8_t macaddr[IEEE80211_ADDR_LEN], 371 const char *func, int line); 372 struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *, 373 const uint8_t macaddr[IEEE80211_ADDR_LEN], 374 const char *func, int line); 375 struct ieee80211_node *ieee80211_find_vap_node_locked_debug( 376 struct ieee80211_node_table *, 377 const struct ieee80211vap *vap, 378 const uint8_t macaddr[IEEE80211_ADDR_LEN], 379 const char *func, int line); 380 struct ieee80211_node *ieee80211_find_vap_node_debug( 381 struct ieee80211_node_table *, 382 const struct ieee80211vap *vap, 383 const uint8_t macaddr[IEEE80211_ADDR_LEN], 384 const char *func, int line); 385 struct ieee80211_node * ieee80211_find_rxnode_debug(struct ieee80211com *, 386 const struct ieee80211_frame_min *, 387 const char *func, int line); 388 struct ieee80211_node * ieee80211_find_rxnode_withkey_debug( 389 struct ieee80211com *, 390 const struct ieee80211_frame_min *, uint16_t keyix, 391 const char *func, int line); 392 struct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *, 393 const uint8_t *, 394 const char *func, int line); 395 #define ieee80211_free_node(ni) \ 396 ieee80211_free_node_debug(ni, __func__, __LINE__) 397 #define ieee80211_find_node_locked(nt, mac) \ 398 ieee80211_find_node_locked_debug(nt, mac, __func__, __LINE__) 399 #define ieee80211_find_node(nt, mac) \ 400 ieee80211_find_node_debug(nt, mac, __func__, __LINE__) 401 #define ieee80211_find_vap_node_locked(nt, vap, mac) \ 402 ieee80211_find_vap_node_locked_debug(nt, vap, mac, __func__, __LINE__) 403 #define ieee80211_find_vap_node(nt, vap, mac) \ 404 ieee80211_find_vap_node_debug(nt, vap, mac, __func__, __LINE__) 405 #define ieee80211_find_rxnode(ic, wh) \ 406 ieee80211_find_rxnode_debug(ic, wh, __func__, __LINE__) 407 #define ieee80211_find_rxnode_withkey(ic, wh, keyix) \ 408 ieee80211_find_rxnode_withkey_debug(ic, wh, keyix, __func__, __LINE__) 409 #define ieee80211_find_txnode(vap, mac) \ 410 ieee80211_find_txnode_debug(vap, mac, __func__, __LINE__) 411 #else 412 void ieee80211_free_node(struct ieee80211_node *); 413 struct ieee80211_node *ieee80211_find_node_locked(struct ieee80211_node_table *, 414 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 415 struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *, 416 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 417 struct ieee80211_node *ieee80211_find_vap_node_locked( 418 struct ieee80211_node_table *, const struct ieee80211vap *, 419 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 420 struct ieee80211_node *ieee80211_find_vap_node( 421 struct ieee80211_node_table *, const struct ieee80211vap *, 422 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 423 struct ieee80211_node * ieee80211_find_rxnode(struct ieee80211com *, 424 const struct ieee80211_frame_min *); 425 struct ieee80211_node * ieee80211_find_rxnode_withkey(struct ieee80211com *, 426 const struct ieee80211_frame_min *, uint16_t keyix); 427 struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *, 428 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 429 #endif 430 int ieee80211_node_delucastkey(struct ieee80211_node *); 431 432 typedef void ieee80211_iter_func(void *, struct ieee80211_node *); 433 void ieee80211_iterate_nodes(struct ieee80211_node_table *, 434 ieee80211_iter_func *, void *); 435 436 void ieee80211_notify_erp(struct ieee80211com *); 437 void ieee80211_dump_node(struct ieee80211_node_table *, 438 struct ieee80211_node *); 439 void ieee80211_dump_nodes(struct ieee80211_node_table *); 440 441 struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *, 442 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 443 struct ieee80211_scanparams; 444 void ieee80211_init_neighbor(struct ieee80211_node *, 445 const struct ieee80211_frame *, 446 const struct ieee80211_scanparams *); 447 struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *, 448 const struct ieee80211_frame *, 449 const struct ieee80211_scanparams *); 450 void ieee80211_node_join(struct ieee80211_node *,int); 451 void ieee80211_node_leave(struct ieee80211_node *); 452 int8_t ieee80211_getrssi(struct ieee80211vap *); 453 void ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *); 454 #endif /* _NET80211_IEEE80211_NODE_H_ */ 455