ieee80211_node.h revision 206358
1116742Ssam/*- 2116904Ssam * Copyright (c) 2001 Atsushi Onoe 3186904Ssam * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4116742Ssam * All rights reserved. 5116742Ssam * 6116742Ssam * Redistribution and use in source and binary forms, with or without 7116742Ssam * modification, are permitted provided that the following conditions 8116742Ssam * are met: 9116742Ssam * 1. Redistributions of source code must retain the above copyright 10116742Ssam * notice, this list of conditions and the following disclaimer. 11116742Ssam * 2. Redistributions in binary form must reproduce the above copyright 12116742Ssam * notice, this list of conditions and the following disclaimer in the 13116742Ssam * documentation and/or other materials provided with the distribution. 14116742Ssam * 15116904Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16116904Ssam * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17116904Ssam * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18116904Ssam * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19116904Ssam * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20116904Ssam * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21116904Ssam * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22116904Ssam * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23116904Ssam * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24116904Ssam * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25116904Ssam * 26116742Ssam * $FreeBSD: head/sys/net80211/ieee80211_node.h 206358 2010-04-07 15:29:13Z rpaulo $ 27116742Ssam */ 28116742Ssam#ifndef _NET80211_IEEE80211_NODE_H_ 29116742Ssam#define _NET80211_IEEE80211_NODE_H_ 30116742Ssam 31138568Ssam#include <net80211/ieee80211_ioctl.h> /* for ieee80211_nodestats */ 32170530Ssam#include <net80211/ieee80211_ht.h> /* for aggregation state */ 33116742Ssam 34138568Ssam/* 35178354Ssam * Each ieee80211com instance has a single timer that fires every 36178354Ssam * IEEE80211_INACT_WAIT seconds to handle "inactivity processing". 37178354Ssam * This is used to do node inactivity processing when operating 38195618Srpaulo * as an AP, adhoc or mesh mode. For inactivity processing each node 39178354Ssam * has a timeout set in it's ni_inact field that is decremented 40178354Ssam * on each timeout and the node is reclaimed when the counter goes 41178354Ssam * to zero. We use different inactivity timeout values depending 42178354Ssam * on whether the node is associated and authorized (either by 43178354Ssam * 802.1x or open/shared key authentication) or associated but yet 44178354Ssam * to be authorized. The latter timeout is shorter to more aggressively 45138568Ssam * reclaim nodes that leave part way through the 802.1x exchange. 46138568Ssam */ 47138568Ssam#define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */ 48138568Ssam#define IEEE80211_INACT_INIT (30/IEEE80211_INACT_WAIT) /* initial */ 49138568Ssam#define IEEE80211_INACT_AUTH (180/IEEE80211_INACT_WAIT) /* associated but not authorized */ 50138568Ssam#define IEEE80211_INACT_RUN (300/IEEE80211_INACT_WAIT) /* authorized */ 51138568Ssam#define IEEE80211_INACT_PROBE (30/IEEE80211_INACT_WAIT) /* probe */ 52138568Ssam#define IEEE80211_INACT_SCAN (300/IEEE80211_INACT_WAIT) /* scanned */ 53138568Ssam 54170530Ssam#define IEEE80211_TRANS_WAIT 2 /* mgt frame tx timer (secs) */ 55138568Ssam 56172211Ssam/* threshold for aging overlapping non-ERP bss */ 57172211Ssam#define IEEE80211_NONERP_PRESENT_AGE msecs_to_ticks(60*1000) 58172211Ssam 59195618Srpaulo#define IEEE80211_NODE_HASHSIZE 32 /* NB: hash size must be pow2 */ 60116742Ssam/* simple hash is enough for variation of macaddr */ 61195618Srpaulo#define IEEE80211_NODE_HASH(ic, addr) \ 62170530Ssam (((const uint8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % \ 63138568Ssam IEEE80211_NODE_HASHSIZE) 64116742Ssam 65138568Ssamstruct ieee80211_node_table; 66138568Ssamstruct ieee80211com; 67178354Ssamstruct ieee80211vap; 68138568Ssam 69116742Ssam/* 70178354Ssam * Information element ``blob''. We use this structure 71178354Ssam * to capture management frame payloads that need to be 72190093Srpaulo * retained. Information elements within the payload that 73178354Ssam * we need to consult have references recorded. 74178354Ssam */ 75178354Ssamstruct ieee80211_ies { 76178354Ssam /* the following are either NULL or point within data */ 77178354Ssam uint8_t *wpa_ie; /* captured WPA ie */ 78178354Ssam uint8_t *rsn_ie; /* captured RSN ie */ 79178354Ssam uint8_t *wme_ie; /* captured WME ie */ 80178354Ssam uint8_t *ath_ie; /* captured Atheros ie */ 81178354Ssam uint8_t *htcap_ie; /* captured HTCAP ie */ 82178354Ssam uint8_t *htinfo_ie; /* captured HTINFO ie */ 83186904Ssam uint8_t *tdma_ie; /* captured TDMA ie */ 84195618Srpaulo uint8_t *meshid_ie; /* captured MESH ID ie */ 85193239Ssam uint8_t *spare[4]; 86178354Ssam /* NB: these must be the last members of this structure */ 87178354Ssam uint8_t *data; /* frame data > 802.11 header */ 88178354Ssam int len; /* data size in bytes */ 89178354Ssam}; 90178354Ssam 91178354Ssam/* 92195618Srpaulo * 802.11s (Mesh) Peer Link FSM state. 93195618Srpaulo */ 94195618Srpauloenum ieee80211_mesh_mlstate { 95195618Srpaulo IEEE80211_NODE_MESH_IDLE = 0, 96195618Srpaulo IEEE80211_NODE_MESH_OPENSNT = 1, /* open frame sent */ 97195618Srpaulo IEEE80211_NODE_MESH_OPENRCV = 2, /* open frame received */ 98195618Srpaulo IEEE80211_NODE_MESH_CONFIRMRCV = 3, /* confirm frame received */ 99195618Srpaulo IEEE80211_NODE_MESH_ESTABLISHED = 4, /* link established */ 100195618Srpaulo IEEE80211_NODE_MESH_HOLDING = 5, /* link closing */ 101195618Srpaulo}; 102195618Srpaulo#define IEEE80211_MESH_MLSTATE_BITS \ 103195618Srpaulo "\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING" 104195618Srpaulo 105195618Srpaulo/* 106116742Ssam * Node specific information. Note that drivers are expected 107116742Ssam * to derive from this structure to add device-specific per-node 108116742Ssam * state. This is done by overriding the ic_node_* methods in 109116742Ssam * the ieee80211com structure. 110116742Ssam */ 111116742Ssamstruct ieee80211_node { 112178354Ssam struct ieee80211vap *ni_vap; /* associated vap */ 113178354Ssam struct ieee80211com *ni_ic; /* copy from vap to save deref*/ 114178354Ssam struct ieee80211_node_table *ni_table; /* NB: may be NULL */ 115178354Ssam TAILQ_ENTRY(ieee80211_node) ni_list; /* list of all nodes */ 116178354Ssam LIST_ENTRY(ieee80211_node) ni_hash; /* hash collision list */ 117178354Ssam u_int ni_refcnt; /* count of held references */ 118120483Ssam u_int ni_scangen; /* gen# for timeout scan */ 119183252Ssam u_int ni_flags; 120183252Ssam#define IEEE80211_NODE_AUTH 0x000001 /* authorized for data */ 121183252Ssam#define IEEE80211_NODE_QOS 0x000002 /* QoS enabled */ 122183252Ssam#define IEEE80211_NODE_ERP 0x000004 /* ERP enabled */ 123183252Ssam/* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */ 124183252Ssam#define IEEE80211_NODE_PWR_MGT 0x000010 /* power save mode enabled */ 125183252Ssam#define IEEE80211_NODE_AREF 0x000020 /* authentication ref held */ 126183252Ssam#define IEEE80211_NODE_HT 0x000040 /* HT enabled */ 127183252Ssam#define IEEE80211_NODE_HTCOMPAT 0x000080 /* HT setup w/ vendor OUI's */ 128183252Ssam#define IEEE80211_NODE_WPS 0x000100 /* WPS association */ 129183252Ssam#define IEEE80211_NODE_TSN 0x000200 /* TSN association */ 130183252Ssam#define IEEE80211_NODE_AMPDU_RX 0x000400 /* AMPDU rx enabled */ 131183252Ssam#define IEEE80211_NODE_AMPDU_TX 0x000800 /* AMPDU tx enabled */ 132183255Ssam#define IEEE80211_NODE_MIMO_PS 0x001000 /* MIMO power save enabled */ 133183255Ssam#define IEEE80211_NODE_MIMO_RTS 0x002000 /* send RTS in MIMO PS */ 134183256Ssam#define IEEE80211_NODE_RIFS 0x004000 /* RIFS enabled */ 135183257Ssam#define IEEE80211_NODE_SGI20 0x008000 /* Short GI in HT20 enabled */ 136183257Ssam#define IEEE80211_NODE_SGI40 0x010000 /* Short GI in HT40 enabled */ 137186099Ssam#define IEEE80211_NODE_ASSOCID 0x020000 /* xmit requires associd */ 138193549Ssam#define IEEE80211_NODE_AMSDU_RX 0x040000 /* AMSDU rx enabled */ 139193549Ssam#define IEEE80211_NODE_AMSDU_TX 0x080000 /* AMSDU tx enabled */ 140183252Ssam uint16_t ni_associd; /* association ID */ 141183252Ssam uint16_t ni_vlan; /* vlan tag */ 142183252Ssam uint16_t ni_txpower; /* current transmit power */ 143170530Ssam uint8_t ni_authmode; /* authentication algorithm */ 144170530Ssam uint8_t ni_ath_flags; /* Atheros feature flags */ 145170530Ssam /* NB: These must have the same values as IEEE80211_ATHC_* */ 146170530Ssam#define IEEE80211_NODE_TURBOP 0x0001 /* Turbo prime enable */ 147170530Ssam#define IEEE80211_NODE_COMP 0x0002 /* Compresssion enable */ 148170530Ssam#define IEEE80211_NODE_FF 0x0004 /* Fast Frame capable */ 149170530Ssam#define IEEE80211_NODE_XR 0x0008 /* Atheros WME enable */ 150170530Ssam#define IEEE80211_NODE_AR 0x0010 /* AR capable */ 151183252Ssam#define IEEE80211_NODE_BOOST 0x0080 /* Dynamic Turbo boosted */ 152170530Ssam uint16_t ni_ath_defkeyix;/* Atheros def key index */ 153183251Ssam const struct ieee80211_txparam *ni_txparms; 154173273Ssam uint32_t ni_jointime; /* time of join (secs) */ 155170530Ssam uint32_t *ni_challenge; /* shared-key challenge */ 156178354Ssam struct ieee80211_ies ni_ies; /* captured ie's */ 157172225Ssam /* tx seq per-tid */ 158191756Ssam ieee80211_seq ni_txseqs[IEEE80211_TID_SIZE]; 159172225Ssam /* rx seq previous per-tid*/ 160191756Ssam ieee80211_seq ni_rxseqs[IEEE80211_TID_SIZE]; 161170530Ssam uint32_t ni_rxfragstamp; /* time stamp of last rx frag */ 162138568Ssam struct mbuf *ni_rxfrag[3]; /* rx frag reassembly */ 163138568Ssam struct ieee80211_key ni_ucastkey; /* unicast key */ 164116742Ssam 165116742Ssam /* hardware */ 166178354Ssam uint32_t ni_avgrssi; /* recv ssi state */ 167170530Ssam int8_t ni_noise; /* noise floor */ 168116742Ssam 169116742Ssam /* header */ 170170530Ssam uint8_t ni_macaddr[IEEE80211_ADDR_LEN]; 171170530Ssam uint8_t ni_bssid[IEEE80211_ADDR_LEN]; 172116742Ssam 173116742Ssam /* beacon, probe response */ 174138568Ssam union { 175170530Ssam uint8_t data[8]; 176178354Ssam u_int64_t tsf; 177138568Ssam } ni_tstamp; /* from last rcv'd beacon */ 178170530Ssam uint16_t ni_intval; /* beacon interval */ 179170530Ssam uint16_t ni_capinfo; /* capabilities */ 180170530Ssam uint8_t ni_esslen; 181170530Ssam uint8_t ni_essid[IEEE80211_NWID_LEN]; 182116742Ssam struct ieee80211_rateset ni_rates; /* negotiated rate set */ 183170530Ssam struct ieee80211_channel *ni_chan; 184170530Ssam uint16_t ni_fhdwell; /* FH only */ 185170530Ssam uint8_t ni_fhindex; /* FH only */ 186178354Ssam uint16_t ni_erp; /* ERP from beacon/probe resp */ 187170530Ssam uint16_t ni_timoff; /* byte offset to TIM ie */ 188170530Ssam uint8_t ni_dtim_period; /* DTIM period */ 189170530Ssam uint8_t ni_dtim_count; /* DTIM count for last bcn */ 190116742Ssam 191195618Srpaulo /* 11s state */ 192195618Srpaulo uint8_t ni_meshidlen; 193195618Srpaulo uint8_t ni_meshid[IEEE80211_MESHID_LEN]; 194195618Srpaulo enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */ 195195618Srpaulo uint16_t ni_mllid; /* link local ID */ 196195618Srpaulo uint16_t ni_mlpid; /* link peer ID */ 197195618Srpaulo struct callout ni_mltimer; /* link mesh timer */ 198195618Srpaulo uint8_t ni_mlrcnt; /* link mesh retry counter */ 199195618Srpaulo uint8_t ni_mltval; /* link mesh timer value */ 200195618Srpaulo 201170530Ssam /* 11n state */ 202170530Ssam uint16_t ni_htcap; /* HT capabilities */ 203170530Ssam uint8_t ni_htparam; /* HT params */ 204170530Ssam uint8_t ni_htctlchan; /* HT control channel */ 205170530Ssam uint8_t ni_ht2ndchan; /* HT 2nd channel */ 206170530Ssam uint8_t ni_htopmode; /* HT operating mode */ 207170530Ssam uint8_t ni_htstbc; /* HT */ 208170530Ssam uint8_t ni_chw; /* negotiated channel width */ 209170530Ssam struct ieee80211_htrateset ni_htrates; /* negotiated ht rate set */ 210170530Ssam struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_AC]; 211170530Ssam struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID]; 212170530Ssam 213116742Ssam /* others */ 214138568Ssam short ni_inact; /* inactivity mark count */ 215138568Ssam short ni_inact_reload;/* inactivity reload value */ 216178354Ssam int ni_txrate; /* legacy rate/MCS */ 217184288Ssam struct ieee80211_psq ni_psq; /* power save queue */ 218138568Ssam struct ieee80211_nodestats ni_stats; /* per-node statistics */ 219178354Ssam 220178354Ssam struct ieee80211vap *ni_wdsvap; /* associated WDS vap */ 221206358Srpaulo void *ni_rctls; /* private ratectl state */ 222206358Srpaulo uint64_t ni_spare[3]; 223116742Ssam}; 224138568SsamMALLOC_DECLARE(M_80211_NODE); 225178354SsamMALLOC_DECLARE(M_80211_NODE_IE); 226116742Ssam 227170530Ssam#define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP) 228173273Ssam#define IEEE80211_NODE_AMPDU \ 229173273Ssam (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX) 230193549Ssam#define IEEE80211_NODE_AMSDU \ 231193549Ssam (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX) 232182828Ssam#define IEEE80211_NODE_HT_ALL \ 233182828Ssam (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \ 234193549Ssam IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \ 235193549Ssam IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \ 236193549Ssam IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40) 237170530Ssam 238187797Ssam#define IEEE80211_NODE_BITS \ 239187797Ssam "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \ 240187797Ssam "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \ 241187797Ssam "\22ASSOCID" 242187797Ssam 243138568Ssam#define IEEE80211_NODE_AID(ni) IEEE80211_AID(ni->ni_associd) 244138568Ssam 245138568Ssam#define IEEE80211_NODE_STAT(ni,stat) (ni->ni_stats.ns_##stat++) 246138568Ssam#define IEEE80211_NODE_STAT_ADD(ni,stat,v) (ni->ni_stats.ns_##stat += v) 247138568Ssam#define IEEE80211_NODE_STAT_SET(ni,stat,v) (ni->ni_stats.ns_##stat = v) 248138568Ssam 249178354Ssam/* 250178354Ssam * Filtered rssi calculation support. The receive rssi is maintained 251178354Ssam * as an average over the last 10 frames received using a low pass filter 252178354Ssam * (all frames for now, possibly need to be more selective). Calculations 253178354Ssam * are designed such that a good compiler can optimize them. The avg 254178354Ssam * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and 255178354Ssam * each sample incorporated with IEEE80211_RSSI_LPF. Use IEEE80211_RSSI_GET 256178354Ssam * to extract the current value. 257178354Ssam * 258178354Ssam * Note that we assume rssi data are in the range [-127..127] and we 259178354Ssam * discard values <-20. This is consistent with assumptions throughout 260178354Ssam * net80211 that signal strength data are in .5 dBm units relative to 261178354Ssam * the current noise floor (linear, not log). 262178354Ssam */ 263178354Ssam#define IEEE80211_RSSI_LPF_LEN 10 264178354Ssam#define IEEE80211_RSSI_DUMMY_MARKER 127 265178354Ssam/* NB: pow2 to optimize out * and / */ 266178354Ssam#define IEEE80211_RSSI_EP_MULTIPLIER (1<<7) 267178354Ssam#define IEEE80211_RSSI_IN(x) ((x) * IEEE80211_RSSI_EP_MULTIPLIER) 268178354Ssam#define _IEEE80211_RSSI_LPF(x, y, len) \ 269178354Ssam (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) 270178354Ssam#define IEEE80211_RSSI_LPF(x, y) do { \ 271178354Ssam if ((y) >= -20) { \ 272178354Ssam x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), \ 273178354Ssam IEEE80211_RSSI_LPF_LEN); \ 274178354Ssam } \ 275178354Ssam} while (0) 276178354Ssam#define IEEE80211_RSSI_EP_RND(x, mul) \ 277178354Ssam ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) 278178354Ssam#define IEEE80211_RSSI_GET(x) \ 279178354Ssam IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER) 280178354Ssam 281116742Ssamstatic __inline struct ieee80211_node * 282116742Ssamieee80211_ref_node(struct ieee80211_node *ni) 283116742Ssam{ 284138568Ssam ieee80211_node_incref(ni); 285116742Ssam return ni; 286116742Ssam} 287116742Ssam 288116742Ssamstatic __inline void 289116742Ssamieee80211_unref_node(struct ieee80211_node **ni) 290116742Ssam{ 291138568Ssam ieee80211_node_decref(*ni); 292116742Ssam *ni = NULL; /* guard against use */ 293116742Ssam} 294116742Ssam 295116742Ssamstruct ieee80211com; 296116742Ssam 297144618Ssamvoid ieee80211_node_attach(struct ieee80211com *); 298144618Ssamvoid ieee80211_node_lateattach(struct ieee80211com *); 299144618Ssamvoid ieee80211_node_detach(struct ieee80211com *); 300178354Ssamvoid ieee80211_node_vattach(struct ieee80211vap *); 301178354Ssamvoid ieee80211_node_latevattach(struct ieee80211vap *); 302178354Ssamvoid ieee80211_node_vdetach(struct ieee80211vap *); 303127877Ssam 304138568Ssamstatic __inline int 305138568Ssamieee80211_node_is_authorized(const struct ieee80211_node *ni) 306138568Ssam{ 307138568Ssam return (ni->ni_flags & IEEE80211_NODE_AUTH); 308138568Ssam} 309116742Ssam 310148302Ssamvoid ieee80211_node_authorize(struct ieee80211_node *); 311148302Ssamvoid ieee80211_node_unauthorize(struct ieee80211_node *); 312138568Ssam 313193966Ssamvoid ieee80211_node_setuptxparms(struct ieee80211_node *); 314178354Ssamvoid ieee80211_node_set_chan(struct ieee80211_node *, 315178354Ssam struct ieee80211_channel *); 316178354Ssamvoid ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *); 317178354Ssamvoid ieee80211_reset_bss(struct ieee80211vap *); 318178354Ssamvoid ieee80211_sync_curchan(struct ieee80211com *); 319191746Sthompsavoid ieee80211_setupcurchan(struct ieee80211com *, 320191746Sthompsa struct ieee80211_channel *); 321178354Ssamvoid ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *); 322148306Ssamint ieee80211_ibss_merge(struct ieee80211_node *); 323170530Ssamstruct ieee80211_scan_entry; 324184274Ssamint ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *, 325170530Ssam const struct ieee80211_scan_entry *); 326178354Ssamvoid ieee80211_sta_leave(struct ieee80211_node *); 327178354Ssamvoid ieee80211_node_deauth(struct ieee80211_node *, int); 328138568Ssam 329178354Ssamint ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int); 330178354Ssamvoid ieee80211_ies_cleanup(struct ieee80211_ies *); 331178354Ssamvoid ieee80211_ies_expand(struct ieee80211_ies *); 332178354Ssam#define ieee80211_ies_setie(_ies, _ie, _off) do { \ 333178354Ssam (_ies)._ie = (_ies).data + (_off); \ 334178354Ssam} while (0) 335178354Ssam 336138568Ssam/* 337138568Ssam * Table of ieee80211_node instances. Each ieee80211com 338178354Ssam * has one that holds association stations (when operating 339178354Ssam * as an ap) or neighbors (in ibss mode). 340178354Ssam * 341178354Ssam * XXX embed this in ieee80211com instead of indirect? 342138568Ssam */ 343138568Ssamstruct ieee80211_node_table { 344138568Ssam struct ieee80211com *nt_ic; /* back reference */ 345138568Ssam ieee80211_node_lock_t nt_nodelock; /* on node table */ 346138568Ssam TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */ 347138568Ssam LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE]; 348170530Ssam struct ieee80211_node **nt_keyixmap; /* key ix -> node map */ 349170530Ssam int nt_keyixmax; /* keyixmap size */ 350178354Ssam const char *nt_name; /* table name for debug msgs */ 351138568Ssam ieee80211_scan_lock_t nt_scanlock; /* on nt_scangen */ 352178354Ssam u_int nt_scangen; /* gen# for iterators */ 353138568Ssam int nt_inact_init; /* initial node inact setting */ 354138568Ssam}; 355138568Ssam 356178354Ssamstruct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *, 357178354Ssam struct ieee80211vap *, 358178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 359178354Ssamstruct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *, 360178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 361178354Ssamstruct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *, 362178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 363178354Ssamstruct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *, 364178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 365178354Ssam struct ieee80211_channel *); 366138568Ssam#ifdef IEEE80211_DEBUG_REFCNT 367144618Ssamvoid ieee80211_free_node_debug(struct ieee80211_node *, 368138568Ssam const char *func, int line); 369178354Ssamstruct ieee80211_node *ieee80211_find_node_locked_debug( 370178354Ssam struct ieee80211_node_table *, 371178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN], 372178354Ssam const char *func, int line); 373170530Ssamstruct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *, 374178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN], 375138568Ssam const char *func, int line); 376178354Ssamstruct ieee80211_node *ieee80211_find_vap_node_locked_debug( 377178354Ssam struct ieee80211_node_table *, 378178354Ssam const struct ieee80211vap *vap, 379178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN], 380178354Ssam const char *func, int line); 381178354Ssamstruct ieee80211_node *ieee80211_find_vap_node_debug( 382178354Ssam struct ieee80211_node_table *, 383178354Ssam const struct ieee80211vap *vap, 384178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN], 385178354Ssam const char *func, int line); 386170530Ssamstruct ieee80211_node * ieee80211_find_rxnode_debug(struct ieee80211com *, 387170530Ssam const struct ieee80211_frame_min *, 388138568Ssam const char *func, int line); 389148863Ssamstruct ieee80211_node * ieee80211_find_rxnode_withkey_debug( 390148863Ssam struct ieee80211com *, 391170530Ssam const struct ieee80211_frame_min *, uint16_t keyix, 392148863Ssam const char *func, int line); 393178354Ssamstruct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *, 394170530Ssam const uint8_t *, 395170530Ssam const char *func, int line); 396138568Ssam#define ieee80211_free_node(ni) \ 397138568Ssam ieee80211_free_node_debug(ni, __func__, __LINE__) 398178354Ssam#define ieee80211_find_node_locked(nt, mac) \ 399178354Ssam ieee80211_find_node_locked_debug(nt, mac, __func__, __LINE__) 400138568Ssam#define ieee80211_find_node(nt, mac) \ 401138568Ssam ieee80211_find_node_debug(nt, mac, __func__, __LINE__) 402178354Ssam#define ieee80211_find_vap_node_locked(nt, vap, mac) \ 403178354Ssam ieee80211_find_vap_node_locked_debug(nt, vap, mac, __func__, __LINE__) 404178354Ssam#define ieee80211_find_vap_node(nt, vap, mac) \ 405178354Ssam ieee80211_find_vap_node_debug(nt, vap, mac, __func__, __LINE__) 406178354Ssam#define ieee80211_find_rxnode(ic, wh) \ 407178354Ssam ieee80211_find_rxnode_debug(ic, wh, __func__, __LINE__) 408178354Ssam#define ieee80211_find_rxnode_withkey(ic, wh, keyix) \ 409178354Ssam ieee80211_find_rxnode_withkey_debug(ic, wh, keyix, __func__, __LINE__) 410178354Ssam#define ieee80211_find_txnode(vap, mac) \ 411178354Ssam ieee80211_find_txnode_debug(vap, mac, __func__, __LINE__) 412138568Ssam#else 413144618Ssamvoid ieee80211_free_node(struct ieee80211_node *); 414178354Ssamstruct ieee80211_node *ieee80211_find_node_locked(struct ieee80211_node_table *, 415178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 416170530Ssamstruct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *, 417178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 418178354Ssamstruct ieee80211_node *ieee80211_find_vap_node_locked( 419178354Ssam struct ieee80211_node_table *, const struct ieee80211vap *, 420178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 421178354Ssamstruct ieee80211_node *ieee80211_find_vap_node( 422178354Ssam struct ieee80211_node_table *, const struct ieee80211vap *, 423178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 424170530Ssamstruct ieee80211_node * ieee80211_find_rxnode(struct ieee80211com *, 425170530Ssam const struct ieee80211_frame_min *); 426148863Ssamstruct ieee80211_node * ieee80211_find_rxnode_withkey(struct ieee80211com *, 427170530Ssam const struct ieee80211_frame_min *, uint16_t keyix); 428178354Ssamstruct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *, 429178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 430138568Ssam#endif 431148863Ssamint ieee80211_node_delucastkey(struct ieee80211_node *); 432170530Ssamvoid ieee80211_node_timeout(void *arg); 433138568Ssam 434116742Ssamtypedef void ieee80211_iter_func(void *, struct ieee80211_node *); 435144618Ssamvoid ieee80211_iterate_nodes(struct ieee80211_node_table *, 436116742Ssam ieee80211_iter_func *, void *); 437116742Ssam 438178354Ssamvoid ieee80211_notify_erp(struct ieee80211com *); 439144618Ssamvoid ieee80211_dump_node(struct ieee80211_node_table *, 440138568Ssam struct ieee80211_node *); 441144618Ssamvoid ieee80211_dump_nodes(struct ieee80211_node_table *); 442138568Ssam 443178354Ssamstruct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *, 444178354Ssam const uint8_t macaddr[IEEE80211_ADDR_LEN]); 445170530Ssamstruct ieee80211_scanparams; 446153073Ssamvoid ieee80211_init_neighbor(struct ieee80211_node *, 447153073Ssam const struct ieee80211_frame *, 448153073Ssam const struct ieee80211_scanparams *); 449178354Ssamstruct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *, 450148936Ssam const struct ieee80211_frame *, 451148936Ssam const struct ieee80211_scanparams *); 452178354Ssamvoid ieee80211_node_join(struct ieee80211_node *,int); 453178354Ssamvoid ieee80211_node_leave(struct ieee80211_node *); 454178354Ssamint8_t ieee80211_getrssi(struct ieee80211vap *); 455178354Ssamvoid ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *); 456116742Ssam#endif /* _NET80211_IEEE80211_NODE_H_ */ 457