ieee80211_node.h revision 195618
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 195618 2009-07-11 15:02:45Z rpaulo $ 27 */ 28#ifndef _NET80211_IEEE80211_NODE_H_ 29#define _NET80211_IEEE80211_NODE_H_ 30 31#include <net80211/ieee80211_ioctl.h> /* for ieee80211_nodestats */ 32#include <net80211/ieee80211_ht.h> /* for aggregation state */ 33 34/* 35 * Each ieee80211com instance has a single timer that fires every 36 * IEEE80211_INACT_WAIT seconds to handle "inactivity processing". 37 * This is used to do node inactivity processing when operating 38 * as an AP, adhoc or mesh mode. For inactivity processing each node 39 * has a timeout set in it's ni_inact field that is decremented 40 * on each timeout and the node is reclaimed when the counter goes 41 * to zero. We use different inactivity timeout values depending 42 * on whether the node is associated and authorized (either by 43 * 802.1x or open/shared key authentication) or associated but yet 44 * to be authorized. The latter timeout is shorter to more aggressively 45 * reclaim nodes that leave part way through the 802.1x exchange. 46 */ 47#define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */ 48#define IEEE80211_INACT_INIT (30/IEEE80211_INACT_WAIT) /* initial */ 49#define IEEE80211_INACT_AUTH (180/IEEE80211_INACT_WAIT) /* associated but not authorized */ 50#define IEEE80211_INACT_RUN (300/IEEE80211_INACT_WAIT) /* authorized */ 51#define IEEE80211_INACT_PROBE (30/IEEE80211_INACT_WAIT) /* probe */ 52#define IEEE80211_INACT_SCAN (300/IEEE80211_INACT_WAIT) /* scanned */ 53 54#define IEEE80211_TRANS_WAIT 2 /* mgt frame tx timer (secs) */ 55 56/* threshold for aging overlapping non-ERP bss */ 57#define IEEE80211_NONERP_PRESENT_AGE msecs_to_ticks(60*1000) 58 59#define IEEE80211_NODE_HASHSIZE 32 /* NB: hash size must be pow2 */ 60/* simple hash is enough for variation of macaddr */ 61#define IEEE80211_NODE_HASH(ic, addr) \ 62 (((const uint8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % \ 63 IEEE80211_NODE_HASHSIZE) 64 65struct ieee80211_node_table; 66struct ieee80211com; 67struct ieee80211vap; 68 69/* 70 * Information element ``blob''. We use this structure 71 * to capture management frame payloads that need to be 72 * retained. Information elements within the payload that 73 * we need to consult have references recorded. 74 */ 75struct ieee80211_ies { 76 /* the following are either NULL or point within data */ 77 uint8_t *wpa_ie; /* captured WPA ie */ 78 uint8_t *rsn_ie; /* captured RSN ie */ 79 uint8_t *wme_ie; /* captured WME ie */ 80 uint8_t *ath_ie; /* captured Atheros ie */ 81 uint8_t *htcap_ie; /* captured HTCAP ie */ 82 uint8_t *htinfo_ie; /* captured HTINFO ie */ 83 uint8_t *tdma_ie; /* captured TDMA ie */ 84 uint8_t *meshid_ie; /* captured MESH ID ie */ 85 uint8_t *spare[4]; 86 /* NB: these must be the last members of this structure */ 87 uint8_t *data; /* frame data > 802.11 header */ 88 int len; /* data size in bytes */ 89}; 90 91/* 92 * 802.11s (Mesh) Peer Link FSM state. 93 */ 94enum ieee80211_mesh_mlstate { 95 IEEE80211_NODE_MESH_IDLE = 0, 96 IEEE80211_NODE_MESH_OPENSNT = 1, /* open frame sent */ 97 IEEE80211_NODE_MESH_OPENRCV = 2, /* open frame received */ 98 IEEE80211_NODE_MESH_CONFIRMRCV = 3, /* confirm frame received */ 99 IEEE80211_NODE_MESH_ESTABLISHED = 4, /* link established */ 100 IEEE80211_NODE_MESH_HOLDING = 5, /* link closing */ 101}; 102#define IEEE80211_MESH_MLSTATE_BITS \ 103 "\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING" 104 105/* 106 * Node specific information. Note that drivers are expected 107 * to derive from this structure to add device-specific per-node 108 * state. This is done by overriding the ic_node_* methods in 109 * the ieee80211com structure. 110 */ 111struct ieee80211_node { 112 struct ieee80211vap *ni_vap; /* associated vap */ 113 struct ieee80211com *ni_ic; /* copy from vap to save deref*/ 114 struct ieee80211_node_table *ni_table; /* NB: may be NULL */ 115 TAILQ_ENTRY(ieee80211_node) ni_list; /* list of all nodes */ 116 LIST_ENTRY(ieee80211_node) ni_hash; /* hash collision list */ 117 u_int ni_refcnt; /* count of held references */ 118 u_int ni_scangen; /* gen# for timeout scan */ 119 u_int ni_flags; 120#define IEEE80211_NODE_AUTH 0x000001 /* authorized for data */ 121#define IEEE80211_NODE_QOS 0x000002 /* QoS enabled */ 122#define IEEE80211_NODE_ERP 0x000004 /* ERP enabled */ 123/* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */ 124#define IEEE80211_NODE_PWR_MGT 0x000010 /* power save mode enabled */ 125#define IEEE80211_NODE_AREF 0x000020 /* authentication ref held */ 126#define IEEE80211_NODE_HT 0x000040 /* HT enabled */ 127#define IEEE80211_NODE_HTCOMPAT 0x000080 /* HT setup w/ vendor OUI's */ 128#define IEEE80211_NODE_WPS 0x000100 /* WPS association */ 129#define IEEE80211_NODE_TSN 0x000200 /* TSN association */ 130#define IEEE80211_NODE_AMPDU_RX 0x000400 /* AMPDU rx enabled */ 131#define IEEE80211_NODE_AMPDU_TX 0x000800 /* AMPDU tx enabled */ 132#define IEEE80211_NODE_MIMO_PS 0x001000 /* MIMO power save enabled */ 133#define IEEE80211_NODE_MIMO_RTS 0x002000 /* send RTS in MIMO PS */ 134#define IEEE80211_NODE_RIFS 0x004000 /* RIFS enabled */ 135#define IEEE80211_NODE_SGI20 0x008000 /* Short GI in HT20 enabled */ 136#define IEEE80211_NODE_SGI40 0x010000 /* Short GI in HT40 enabled */ 137#define IEEE80211_NODE_ASSOCID 0x020000 /* xmit requires associd */ 138#define IEEE80211_NODE_AMSDU_RX 0x040000 /* AMSDU rx enabled */ 139#define IEEE80211_NODE_AMSDU_TX 0x080000 /* AMSDU tx enabled */ 140 uint16_t ni_associd; /* association ID */ 141 uint16_t ni_vlan; /* vlan tag */ 142 uint16_t ni_txpower; /* current transmit power */ 143 uint8_t ni_authmode; /* authentication algorithm */ 144 uint8_t ni_ath_flags; /* Atheros feature flags */ 145 /* NB: These must have the same values as IEEE80211_ATHC_* */ 146#define IEEE80211_NODE_TURBOP 0x0001 /* Turbo prime enable */ 147#define IEEE80211_NODE_COMP 0x0002 /* Compresssion enable */ 148#define IEEE80211_NODE_FF 0x0004 /* Fast Frame capable */ 149#define IEEE80211_NODE_XR 0x0008 /* Atheros WME enable */ 150#define IEEE80211_NODE_AR 0x0010 /* AR capable */ 151#define IEEE80211_NODE_BOOST 0x0080 /* Dynamic Turbo boosted */ 152 uint16_t ni_ath_defkeyix;/* Atheros def key index */ 153 const struct ieee80211_txparam *ni_txparms; 154 uint32_t ni_jointime; /* time of join (secs) */ 155 uint32_t *ni_challenge; /* shared-key challenge */ 156 struct ieee80211_ies ni_ies; /* captured ie's */ 157 /* tx seq per-tid */ 158 ieee80211_seq ni_txseqs[IEEE80211_TID_SIZE]; 159 /* rx seq previous per-tid*/ 160 ieee80211_seq ni_rxseqs[IEEE80211_TID_SIZE]; 161 uint32_t ni_rxfragstamp; /* time stamp of last rx frag */ 162 struct mbuf *ni_rxfrag[3]; /* rx frag reassembly */ 163 struct ieee80211_key ni_ucastkey; /* unicast key */ 164 165 /* hardware */ 166 uint32_t ni_avgrssi; /* recv ssi state */ 167 int8_t ni_noise; /* noise floor */ 168 169 /* header */ 170 uint8_t ni_macaddr[IEEE80211_ADDR_LEN]; 171 uint8_t ni_bssid[IEEE80211_ADDR_LEN]; 172 173 /* beacon, probe response */ 174 union { 175 uint8_t data[8]; 176 u_int64_t tsf; 177 } ni_tstamp; /* from last rcv'd beacon */ 178 uint16_t ni_intval; /* beacon interval */ 179 uint16_t ni_capinfo; /* capabilities */ 180 uint8_t ni_esslen; 181 uint8_t ni_essid[IEEE80211_NWID_LEN]; 182 struct ieee80211_rateset ni_rates; /* negotiated rate set */ 183 struct ieee80211_channel *ni_chan; 184 uint16_t ni_fhdwell; /* FH only */ 185 uint8_t ni_fhindex; /* FH only */ 186 uint16_t ni_erp; /* ERP from beacon/probe resp */ 187 uint16_t ni_timoff; /* byte offset to TIM ie */ 188 uint8_t ni_dtim_period; /* DTIM period */ 189 uint8_t ni_dtim_count; /* DTIM count for last bcn */ 190 191 /* 11s state */ 192 uint8_t ni_meshidlen; 193 uint8_t ni_meshid[IEEE80211_MESHID_LEN]; 194 enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */ 195 uint16_t ni_mllid; /* link local ID */ 196 uint16_t ni_mlpid; /* link peer ID */ 197 struct callout ni_mltimer; /* link mesh timer */ 198 uint8_t ni_mlrcnt; /* link mesh retry counter */ 199 uint8_t ni_mltval; /* link mesh timer value */ 200 201 /* 11n state */ 202 uint16_t ni_htcap; /* HT capabilities */ 203 uint8_t ni_htparam; /* HT params */ 204 uint8_t ni_htctlchan; /* HT control channel */ 205 uint8_t ni_ht2ndchan; /* HT 2nd channel */ 206 uint8_t ni_htopmode; /* HT operating mode */ 207 uint8_t ni_htstbc; /* HT */ 208 uint8_t ni_chw; /* negotiated channel width */ 209 struct ieee80211_htrateset ni_htrates; /* negotiated ht rate set */ 210 struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_AC]; 211 struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID]; 212 213 /* others */ 214 short ni_inact; /* inactivity mark count */ 215 short ni_inact_reload;/* inactivity reload value */ 216 int ni_txrate; /* legacy rate/MCS */ 217 struct ieee80211_psq ni_psq; /* power save queue */ 218 struct ieee80211_nodestats ni_stats; /* per-node statistics */ 219 220 struct ieee80211vap *ni_wdsvap; /* associated WDS vap */ 221 uint64_t ni_spare[4]; 222}; 223MALLOC_DECLARE(M_80211_NODE); 224MALLOC_DECLARE(M_80211_NODE_IE); 225 226#define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP) 227#define IEEE80211_NODE_AMPDU \ 228 (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX) 229#define IEEE80211_NODE_AMSDU \ 230 (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX) 231#define IEEE80211_NODE_HT_ALL \ 232 (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \ 233 IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \ 234 IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \ 235 IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40) 236 237#define IEEE80211_NODE_BITS \ 238 "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \ 239 "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \ 240 "\22ASSOCID" 241 242#define IEEE80211_NODE_AID(ni) IEEE80211_AID(ni->ni_associd) 243 244#define IEEE80211_NODE_STAT(ni,stat) (ni->ni_stats.ns_##stat++) 245#define IEEE80211_NODE_STAT_ADD(ni,stat,v) (ni->ni_stats.ns_##stat += v) 246#define IEEE80211_NODE_STAT_SET(ni,stat,v) (ni->ni_stats.ns_##stat = v) 247 248/* 249 * Filtered rssi calculation support. The receive rssi is maintained 250 * as an average over the last 10 frames received using a low pass filter 251 * (all frames for now, possibly need to be more selective). Calculations 252 * are designed such that a good compiler can optimize them. The avg 253 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and 254 * each sample incorporated with IEEE80211_RSSI_LPF. Use IEEE80211_RSSI_GET 255 * to extract the current value. 256 * 257 * Note that we assume rssi data are in the range [-127..127] and we 258 * discard values <-20. This is consistent with assumptions throughout 259 * net80211 that signal strength data are in .5 dBm units relative to 260 * the current noise floor (linear, not log). 261 */ 262#define IEEE80211_RSSI_LPF_LEN 10 263#define IEEE80211_RSSI_DUMMY_MARKER 127 264/* NB: pow2 to optimize out * and / */ 265#define IEEE80211_RSSI_EP_MULTIPLIER (1<<7) 266#define IEEE80211_RSSI_IN(x) ((x) * IEEE80211_RSSI_EP_MULTIPLIER) 267#define _IEEE80211_RSSI_LPF(x, y, len) \ 268 (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) 269#define IEEE80211_RSSI_LPF(x, y) do { \ 270 if ((y) >= -20) { \ 271 x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), \ 272 IEEE80211_RSSI_LPF_LEN); \ 273 } \ 274} while (0) 275#define IEEE80211_RSSI_EP_RND(x, mul) \ 276 ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) 277#define IEEE80211_RSSI_GET(x) \ 278 IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER) 279 280static __inline struct ieee80211_node * 281ieee80211_ref_node(struct ieee80211_node *ni) 282{ 283 ieee80211_node_incref(ni); 284 return ni; 285} 286 287static __inline void 288ieee80211_unref_node(struct ieee80211_node **ni) 289{ 290 ieee80211_node_decref(*ni); 291 *ni = NULL; /* guard against use */ 292} 293 294struct ieee80211com; 295 296void ieee80211_node_attach(struct ieee80211com *); 297void ieee80211_node_lateattach(struct ieee80211com *); 298void ieee80211_node_detach(struct ieee80211com *); 299void ieee80211_node_vattach(struct ieee80211vap *); 300void ieee80211_node_latevattach(struct ieee80211vap *); 301void ieee80211_node_vdetach(struct ieee80211vap *); 302 303static __inline int 304ieee80211_node_is_authorized(const struct ieee80211_node *ni) 305{ 306 return (ni->ni_flags & IEEE80211_NODE_AUTH); 307} 308 309void ieee80211_node_authorize(struct ieee80211_node *); 310void ieee80211_node_unauthorize(struct ieee80211_node *); 311 312void ieee80211_node_setuptxparms(struct ieee80211_node *); 313void ieee80211_node_set_chan(struct ieee80211_node *, 314 struct ieee80211_channel *); 315void ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *); 316void ieee80211_reset_bss(struct ieee80211vap *); 317void ieee80211_sync_curchan(struct ieee80211com *); 318void ieee80211_setupcurchan(struct ieee80211com *, 319 struct ieee80211_channel *); 320void ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *); 321int ieee80211_ibss_merge(struct ieee80211_node *); 322struct ieee80211_scan_entry; 323int ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *, 324 const struct ieee80211_scan_entry *); 325void ieee80211_sta_leave(struct ieee80211_node *); 326void ieee80211_node_deauth(struct ieee80211_node *, int); 327 328int ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int); 329void ieee80211_ies_cleanup(struct ieee80211_ies *); 330void ieee80211_ies_expand(struct ieee80211_ies *); 331#define ieee80211_ies_setie(_ies, _ie, _off) do { \ 332 (_ies)._ie = (_ies).data + (_off); \ 333} while (0) 334 335/* 336 * Table of ieee80211_node instances. Each ieee80211com 337 * has one that holds association stations (when operating 338 * as an ap) or neighbors (in ibss mode). 339 * 340 * XXX embed this in ieee80211com instead of indirect? 341 */ 342struct ieee80211_node_table { 343 struct ieee80211com *nt_ic; /* back reference */ 344 ieee80211_node_lock_t nt_nodelock; /* on node table */ 345 TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */ 346 LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE]; 347 struct ieee80211_node **nt_keyixmap; /* key ix -> node map */ 348 int nt_keyixmax; /* keyixmap size */ 349 const char *nt_name; /* table name for debug msgs */ 350 ieee80211_scan_lock_t nt_scanlock; /* on nt_scangen */ 351 u_int nt_scangen; /* gen# for iterators */ 352 int nt_inact_init; /* initial node inact setting */ 353}; 354 355struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *, 356 struct ieee80211vap *, 357 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 358struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *, 359 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 360struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *, 361 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 362struct 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 366void ieee80211_free_node_debug(struct ieee80211_node *, 367 const char *func, int line); 368struct 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); 372struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *, 373 const uint8_t macaddr[IEEE80211_ADDR_LEN], 374 const char *func, int line); 375struct 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); 380struct 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); 385struct ieee80211_node * ieee80211_find_rxnode_debug(struct ieee80211com *, 386 const struct ieee80211_frame_min *, 387 const char *func, int line); 388struct 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); 392struct 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 412void ieee80211_free_node(struct ieee80211_node *); 413struct ieee80211_node *ieee80211_find_node_locked(struct ieee80211_node_table *, 414 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 415struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *, 416 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 417struct ieee80211_node *ieee80211_find_vap_node_locked( 418 struct ieee80211_node_table *, const struct ieee80211vap *, 419 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 420struct ieee80211_node *ieee80211_find_vap_node( 421 struct ieee80211_node_table *, const struct ieee80211vap *, 422 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 423struct ieee80211_node * ieee80211_find_rxnode(struct ieee80211com *, 424 const struct ieee80211_frame_min *); 425struct ieee80211_node * ieee80211_find_rxnode_withkey(struct ieee80211com *, 426 const struct ieee80211_frame_min *, uint16_t keyix); 427struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *, 428 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 429#endif 430int ieee80211_node_delucastkey(struct ieee80211_node *); 431void ieee80211_node_timeout(void *arg); 432 433typedef void ieee80211_iter_func(void *, struct ieee80211_node *); 434void ieee80211_iterate_nodes(struct ieee80211_node_table *, 435 ieee80211_iter_func *, void *); 436 437void ieee80211_notify_erp(struct ieee80211com *); 438void ieee80211_dump_node(struct ieee80211_node_table *, 439 struct ieee80211_node *); 440void ieee80211_dump_nodes(struct ieee80211_node_table *); 441 442struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *, 443 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 444struct ieee80211_scanparams; 445void ieee80211_init_neighbor(struct ieee80211_node *, 446 const struct ieee80211_frame *, 447 const struct ieee80211_scanparams *); 448struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *, 449 const struct ieee80211_frame *, 450 const struct ieee80211_scanparams *); 451void ieee80211_node_join(struct ieee80211_node *,int); 452void ieee80211_node_leave(struct ieee80211_node *); 453int8_t ieee80211_getrssi(struct ieee80211vap *); 454void ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *); 455#endif /* _NET80211_IEEE80211_NODE_H_ */ 456