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 * $FreeBSD$
27 */
28 #ifndef _NET80211_IEEE80211_NODE_H_
29 #define _NET80211_IEEE80211_NODE_H_
30
31 #include <netproto/802_11/ieee80211_ioctl.h> /* for ieee80211_nodestats */
32 #include <netproto/802_11/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
65 struct ieee80211_node_table;
66 struct ieee80211com;
67 struct 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 */
75 struct 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 */
94 enum 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 */
111 struct 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 /* mimo statistics */
170 uint32_t ni_mimo_rssi_ctl[IEEE80211_MAX_CHAINS];
171 uint32_t ni_mimo_rssi_ext[IEEE80211_MAX_CHAINS];
172 uint8_t ni_mimo_noise_ctl[IEEE80211_MAX_CHAINS];
173 uint8_t ni_mimo_noise_ext[IEEE80211_MAX_CHAINS];
174 uint8_t ni_mimo_chains;
175
176 /* header */
177 uint8_t ni_macaddr[IEEE80211_ADDR_LEN];
178 uint8_t ni_bssid[IEEE80211_ADDR_LEN];
179
180 /* beacon, probe response */
181 union {
182 uint8_t data[8];
183 u_int64_t tsf;
184 } ni_tstamp; /* from last rcv'd beacon */
185 uint16_t ni_intval; /* beacon interval */
186 uint16_t ni_capinfo; /* capabilities */
187 uint8_t ni_esslen;
188 uint8_t ni_essid[IEEE80211_NWID_LEN];
189 struct ieee80211_rateset ni_rates; /* negotiated rate set */
190 struct ieee80211_channel *ni_chan;
191 uint16_t ni_fhdwell; /* FH only */
192 uint8_t ni_fhindex; /* FH only */
193 uint16_t ni_erp; /* ERP from beacon/probe resp */
194 uint16_t ni_timoff; /* byte offset to TIM ie */
195 uint8_t ni_dtim_period; /* DTIM period */
196 uint8_t ni_dtim_count; /* DTIM count for last bcn */
197
198 /* 11s state */
199 uint8_t ni_meshidlen;
200 uint8_t ni_meshid[IEEE80211_MESHID_LEN];
201 enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */
202 uint16_t ni_mllid; /* link local ID */
203 uint16_t ni_mlpid; /* link peer ID */
204 struct callout ni_mltimer; /* link mesh timer */
205 uint8_t ni_mlrcnt; /* link mesh retry counter */
206 uint8_t ni_mltval; /* link mesh timer value */
207 struct callout ni_mlhtimer; /* link mesh backoff timer */
208 uint8_t ni_mlhcnt; /* link mesh holding counter */
209
210 /* 11n state */
211 uint16_t ni_htcap; /* HT capabilities */
212 uint8_t ni_htparam; /* HT params */
213 uint8_t ni_htctlchan; /* HT control channel */
214 uint8_t ni_ht2ndchan; /* HT 2nd channel */
215 uint8_t ni_htopmode; /* HT operating mode */
216 uint8_t ni_htstbc; /* HT */
217 uint8_t ni_chw; /* negotiated channel width */
218 struct ieee80211_htrateset ni_htrates; /* negotiated ht rate set */
219 struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_TID];
220 struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID];
221
222 /* fast-frames state */
223 struct mbuf * ni_tx_superg[WME_NUM_TID];
224
225 /* others */
226 short ni_inact; /* inactivity mark count */
227 short ni_inact_reload;/* inactivity reload value */
228 int ni_txrate; /* legacy rate/MCS */
229 struct ieee80211_psq ni_psq; /* power save queue */
230 struct ieee80211_nodestats ni_stats; /* per-node statistics */
231
232 struct ieee80211vap *ni_wdsvap; /* associated WDS vap */
233 void *ni_rctls; /* private ratectl state */
234 uint64_t ni_spare[3];
235 };
236 #ifdef MALLOC_DECLARE
237 MALLOC_DECLARE(M_80211_NODE);
238 MALLOC_DECLARE(M_80211_NODE_IE);
239 #endif
240
241 #define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP)
242 #define IEEE80211_NODE_AMPDU \
243 (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX)
244 #define IEEE80211_NODE_AMSDU \
245 (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX)
246 #define IEEE80211_NODE_HT_ALL \
247 (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \
248 IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \
249 IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \
250 IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40)
251
252 #define IEEE80211_NODE_BITS \
253 "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
254 "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \
255 "\22ASSOCID"
256
257 #define IEEE80211_NODE_AID(ni) IEEE80211_AID(ni->ni_associd)
258
259 #define IEEE80211_NODE_STAT(ni,stat) (ni->ni_stats.ns_##stat++)
260 #define IEEE80211_NODE_STAT_ADD(ni,stat,v) (ni->ni_stats.ns_##stat += v)
261 #define IEEE80211_NODE_STAT_SET(ni,stat,v) (ni->ni_stats.ns_##stat = v)
262
263 /*
264 * Filtered rssi calculation support. The receive rssi is maintained
265 * as an average over the last 10 frames received using a low pass filter
266 * (all frames for now, possibly need to be more selective). Calculations
267 * are designed such that a good compiler can optimize them. The avg
268 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and
269 * each sample incorporated with IEEE80211_RSSI_LPF. Use IEEE80211_RSSI_GET
270 * to extract the current value.
271 *
272 * Note that we assume rssi data are in the range [-127..127] and we
273 * discard values <-20. This is consistent with assumptions throughout
274 * net80211 that signal strength data are in .5 dBm units relative to
275 * the current noise floor (linear, not log).
276 */
277 #define IEEE80211_RSSI_LPF_LEN 10
278 #define IEEE80211_RSSI_DUMMY_MARKER 127
279 /* NB: pow2 to optimize out * and / */
280 #define IEEE80211_RSSI_EP_MULTIPLIER (1<<7)
281 #define IEEE80211_RSSI_IN(x) ((x) * IEEE80211_RSSI_EP_MULTIPLIER)
282 #define _IEEE80211_RSSI_LPF(x, y, len) \
283 (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
284 #define IEEE80211_RSSI_LPF(x, y) do { \
285 if ((y) >= -20) { \
286 x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), \
287 IEEE80211_RSSI_LPF_LEN); \
288 } \
289 } while (0)
290 #define IEEE80211_RSSI_EP_RND(x, mul) \
291 ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
292 #define IEEE80211_RSSI_GET(x) \
293 IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER)
294
295 static __inline struct ieee80211_node *
ieee80211_ref_node(struct ieee80211_node * ni)296 ieee80211_ref_node(struct ieee80211_node *ni)
297 {
298 ieee80211_node_incref(ni);
299 return ni;
300 }
301
302 static __inline void
ieee80211_unref_node(struct ieee80211_node ** ni)303 ieee80211_unref_node(struct ieee80211_node **ni)
304 {
305 ieee80211_node_decref(*ni);
306 *ni = NULL; /* guard against use */
307 }
308
309 void ieee80211_node_attach(struct ieee80211com *);
310 void ieee80211_node_lateattach(struct ieee80211com *);
311 void ieee80211_node_detach(struct ieee80211com *);
312 void ieee80211_node_vattach(struct ieee80211vap *);
313 void ieee80211_node_latevattach(struct ieee80211vap *);
314 void ieee80211_node_vdetach(struct ieee80211vap *);
315
316 static __inline int
ieee80211_node_is_authorized(const struct ieee80211_node * ni)317 ieee80211_node_is_authorized(const struct ieee80211_node *ni)
318 {
319 return (ni->ni_flags & IEEE80211_NODE_AUTH);
320 }
321
322 void ieee80211_node_authorize(struct ieee80211_node *);
323 void ieee80211_node_unauthorize(struct ieee80211_node *);
324
325 void ieee80211_node_setuptxparms(struct ieee80211_node *);
326 void ieee80211_node_set_chan(struct ieee80211_node *,
327 struct ieee80211_channel *);
328 void ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *);
329 void ieee80211_reset_bss(struct ieee80211vap *);
330 void ieee80211_sync_curchan(struct ieee80211com *);
331 void ieee80211_setupcurchan(struct ieee80211com *,
332 struct ieee80211_channel *);
333 void ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *);
334 void ieee80211_update_chw(struct ieee80211com *);
335 int ieee80211_ibss_merge_check(struct ieee80211_node *);
336 int ieee80211_ibss_merge(struct ieee80211_node *);
337 struct ieee80211_scan_entry;
338 int ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *,
339 const struct ieee80211_scan_entry *);
340 void ieee80211_sta_leave(struct ieee80211_node *);
341 void ieee80211_node_deauth(struct ieee80211_node *, int);
342
343 int ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int);
344 void ieee80211_ies_cleanup(struct ieee80211_ies *);
345 void ieee80211_ies_expand(struct ieee80211_ies *);
346 #define ieee80211_ies_setie(_ies, _ie, _off) do { \
347 (_ies)._ie = (_ies).data + (_off); \
348 } while (0)
349
350 /*
351 * Table of ieee80211_node instances. Each ieee80211com
352 * has one that holds association stations (when operating
353 * as an ap) or neighbors (in ibss mode).
354 *
355 * XXX embed this in ieee80211com instead of indirect?
356 */
357 struct ieee80211_node_table {
358 struct ieee80211com *nt_ic; /* back reference */
359 ieee80211_node_lock_t nt_nodelock; /* on node table */
360 TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */
361 LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE];
362 struct ieee80211_node **nt_keyixmap; /* key ix -> node map */
363 int nt_keyixmax; /* keyixmap size */
364 const char *nt_name; /* table name for debug msgs */
365 ieee80211_scan_lock_t nt_scanlock; /* on nt_scangen */
366 u_int nt_scangen; /* gen# for iterators */
367 int nt_inact_init; /* initial node inact setting */
368 };
369
370 struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *,
371 struct ieee80211vap *,
372 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
373 struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *,
374 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
375 struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *,
376 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
377 struct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *,
378 const uint8_t bssid[IEEE80211_ADDR_LEN],
379 struct ieee80211_channel *);
380 #ifdef IEEE80211_DEBUG_REFCNT
381 void ieee80211_free_node_debug(struct ieee80211_node *,
382 const char *func, int line);
383 struct ieee80211_node *ieee80211_find_node_locked_debug(
384 struct ieee80211_node_table *,
385 const uint8_t macaddr[IEEE80211_ADDR_LEN],
386 const char *func, int line);
387 struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *,
388 const uint8_t macaddr[IEEE80211_ADDR_LEN],
389 const char *func, int line);
390 struct ieee80211_node *ieee80211_find_vap_node_locked_debug(
391 struct ieee80211_node_table *,
392 const struct ieee80211vap *vap,
393 const uint8_t macaddr[IEEE80211_ADDR_LEN],
394 const char *func, int line);
395 struct ieee80211_node *ieee80211_find_vap_node_debug(
396 struct ieee80211_node_table *,
397 const struct ieee80211vap *vap,
398 const uint8_t macaddr[IEEE80211_ADDR_LEN],
399 const char *func, int line);
400 struct ieee80211_node * ieee80211_find_rxnode_debug(struct ieee80211com *,
401 const struct ieee80211_frame_min *,
402 const char *func, int line);
403 struct ieee80211_node * ieee80211_find_rxnode_withkey_debug(
404 struct ieee80211com *,
405 const struct ieee80211_frame_min *, uint16_t keyix,
406 const char *func, int line);
407 struct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *,
408 const uint8_t *,
409 const char *func, int line);
410 #define ieee80211_free_node(ni) \
411 ieee80211_free_node_debug(ni, __func__, __LINE__)
412 #define ieee80211_find_node_locked(nt, mac) \
413 ieee80211_find_node_locked_debug(nt, mac, __func__, __LINE__)
414 #define ieee80211_find_node(nt, mac) \
415 ieee80211_find_node_debug(nt, mac, __func__, __LINE__)
416 #define ieee80211_find_vap_node_locked(nt, vap, mac) \
417 ieee80211_find_vap_node_locked_debug(nt, vap, mac, __func__, __LINE__)
418 #define ieee80211_find_vap_node(nt, vap, mac) \
419 ieee80211_find_vap_node_debug(nt, vap, mac, __func__, __LINE__)
420 #define ieee80211_find_rxnode(ic, wh) \
421 ieee80211_find_rxnode_debug(ic, wh, __func__, __LINE__)
422 #define ieee80211_find_rxnode_withkey(ic, wh, keyix) \
423 ieee80211_find_rxnode_withkey_debug(ic, wh, keyix, __func__, __LINE__)
424 #define ieee80211_find_txnode(vap, mac) \
425 ieee80211_find_txnode_debug(vap, mac, __func__, __LINE__)
426 #else
427 void ieee80211_free_node(struct ieee80211_node *);
428 struct ieee80211_node *ieee80211_find_node_locked(struct ieee80211_node_table *,
429 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
430 struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *,
431 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
432 struct ieee80211_node *ieee80211_find_vap_node_locked(
433 struct ieee80211_node_table *, const struct ieee80211vap *,
434 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
435 struct ieee80211_node *ieee80211_find_vap_node(
436 struct ieee80211_node_table *, const struct ieee80211vap *,
437 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
438 struct ieee80211_node * ieee80211_find_rxnode(struct ieee80211com *,
439 const struct ieee80211_frame_min *);
440 struct ieee80211_node * ieee80211_find_rxnode_withkey(struct ieee80211com *,
441 const struct ieee80211_frame_min *, uint16_t keyix);
442 struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *,
443 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
444 #endif
445 int ieee80211_node_delucastkey(struct ieee80211_node *);
446 void ieee80211_node_timeout(void *arg);
447
448 typedef void ieee80211_iter_func(void *, struct ieee80211_node *);
449 int ieee80211_iterate_nt(struct ieee80211_node_table *,
450 struct ieee80211_node **, uint16_t);
451 void ieee80211_iterate_nodes(struct ieee80211_node_table *,
452 ieee80211_iter_func *, void *);
453
454 void ieee80211_notify_erp(struct ieee80211com *);
455 void ieee80211_dump_node(struct ieee80211_node_table *,
456 struct ieee80211_node *);
457 void ieee80211_dump_nodes(struct ieee80211_node_table *);
458
459 struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *,
460 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
461 struct ieee80211_scanparams;
462 void ieee80211_init_neighbor(struct ieee80211_node *,
463 const struct ieee80211_frame *,
464 const struct ieee80211_scanparams *);
465 struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *,
466 const struct ieee80211_frame *,
467 const struct ieee80211_scanparams *);
468 void ieee80211_node_join(struct ieee80211_node *,int);
469 void ieee80211_node_leave(struct ieee80211_node *);
470 int8_t ieee80211_getrssi(struct ieee80211vap *);
471 void ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *);
472 #endif /* _NET80211_IEEE80211_NODE_H_ */
473