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_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 its 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 struct ieee80211_scanparams;
69
70 /*
71 * Information element (IE) ``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 *vhtcap_ie; /* captured VHTCAP ie */
87 uint8_t *vhtopmode_ie; /* captured VHTOPMODE ie */
88 uint8_t *vhtpwrenv_ie; /* captured VHTPWRENV ie */
89 uint8_t *apchanrep_ie; /* captured APCHANREP ie */
90 uint8_t *bssload_ie; /* captured BSSLOAD ie */
91 uint8_t *spare[4];
92 /* NB: these must be the last members of this structure */
93 uint8_t *data; /* frame data > 802.11 header */
94 int len; /* data size in bytes */
95 };
96
97 /*
98 * 802.11s (Mesh) Peer Link FSM state.
99 */
100 enum ieee80211_mesh_mlstate {
101 IEEE80211_NODE_MESH_IDLE = 0,
102 IEEE80211_NODE_MESH_OPENSNT = 1, /* open frame sent */
103 IEEE80211_NODE_MESH_OPENRCV = 2, /* open frame received */
104 IEEE80211_NODE_MESH_CONFIRMRCV = 3, /* confirm frame received */
105 IEEE80211_NODE_MESH_ESTABLISHED = 4, /* link established */
106 IEEE80211_NODE_MESH_HOLDING = 5, /* link closing */
107 };
108 #define IEEE80211_MESH_MLSTATE_BITS \
109 "\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING"
110
111 /*
112 * This structure is shared with LinuxKPI 802.11 code describing up-to
113 * which channel width the station can receive.
114 * Rather than using hardcoded MHz values for the channel width use an enum with
115 * flags. This allows us to keep the uint8_t slot for ni_chw in
116 * struct ieee80211_node and means we do not have to sync to the value for
117 * LinuxKPI.
118 *
119 * NB: BW_20 needs to 0 and values need to be sorted! Cannot make it
120 * bitfield-alike for use with %b.
121 */
122 enum ieee80211_sta_rx_bw {
123 IEEE80211_STA_RX_BW_20 = 0x00,
124 IEEE80211_STA_RX_BW_40,
125 IEEE80211_STA_RX_BW_80,
126 IEEE80211_STA_RX_BW_160,
127 IEEE80211_STA_RX_BW_320,
128 } __packed;
129
130 static inline const char *
ieee80211_ni_chw_to_str(enum ieee80211_sta_rx_bw bw)131 ieee80211_ni_chw_to_str(enum ieee80211_sta_rx_bw bw)
132 {
133 switch (bw) {
134 case IEEE80211_STA_RX_BW_20: return ("BW_20");
135 case IEEE80211_STA_RX_BW_40: return ("BW_40");
136 case IEEE80211_STA_RX_BW_80: return ("BW_80");
137 case IEEE80211_STA_RX_BW_160: return ("BW_160");
138 case IEEE80211_STA_RX_BW_320: return ("BW_320");
139 }
140 }
141
142 /*
143 * Node specific information. Note that drivers are expected
144 * to derive from this structure to add device-specific per-node
145 * state. This is done by overriding the ic_node_* methods in
146 * the ieee80211com structure.
147 */
148 struct ieee80211_node {
149 struct ieee80211vap *ni_vap; /* associated vap */
150 struct ieee80211com *ni_ic; /* copy from vap to save deref*/
151 struct ieee80211_node_table *ni_table; /* NB: may be NULL */
152 TAILQ_ENTRY(ieee80211_node) ni_list; /* list of all nodes */
153 LIST_ENTRY(ieee80211_node) ni_hash; /* hash collision list */
154 u_int ni_refcnt; /* count of held references */
155 u_int ni_flags;
156 #define IEEE80211_NODE_AUTH 0x000001 /* authorized for data */
157 #define IEEE80211_NODE_QOS 0x000002 /* QoS enabled */
158 #define IEEE80211_NODE_ERP 0x000004 /* ERP enabled */
159 /* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */
160 #define IEEE80211_NODE_PWR_MGT 0x000010 /* power save mode enabled */
161 #define IEEE80211_NODE_AREF 0x000020 /* authentication ref held */
162 #define IEEE80211_NODE_HT 0x000040 /* HT enabled */
163 #define IEEE80211_NODE_HTCOMPAT 0x000080 /* HT setup w/ vendor OUI's */
164 #define IEEE80211_NODE_WPS 0x000100 /* WPS association */
165 #define IEEE80211_NODE_TSN 0x000200 /* TSN association */
166 #define IEEE80211_NODE_AMPDU_RX 0x000400 /* AMPDU rx enabled */
167 #define IEEE80211_NODE_AMPDU_TX 0x000800 /* AMPDU tx enabled */
168 #define IEEE80211_NODE_MIMO_PS 0x001000 /* MIMO power save enabled */
169 #define IEEE80211_NODE_MIMO_RTS 0x002000 /* send RTS in MIMO PS */
170 #define IEEE80211_NODE_RIFS 0x004000 /* RIFS enabled */
171 #define IEEE80211_NODE_SGI20 0x008000 /* Short GI in HT20 enabled */
172 #define IEEE80211_NODE_SGI40 0x010000 /* Short GI in HT40 enabled */
173 #define IEEE80211_NODE_ASSOCID 0x020000 /* xmit requires associd */
174 #define IEEE80211_NODE_AMSDU_RX 0x040000 /* AMSDU rx enabled */
175 #define IEEE80211_NODE_AMSDU_TX 0x080000 /* AMSDU tx enabled */
176 #define IEEE80211_NODE_VHT 0x100000 /* VHT enabled */
177 #define IEEE80211_NODE_LDPC 0x200000 /* LDPC enabled */
178 #define IEEE80211_NODE_UAPSD 0x400000 /* U-APSD power save enabled */
179 uint16_t ni_associd; /* association ID */
180 uint16_t ni_vlan; /* vlan tag */
181 uint16_t ni_txpower; /* current transmit power */
182 uint8_t ni_authmode; /* authentication algorithm */
183 uint8_t ni_ath_flags; /* Atheros feature flags */
184 /* NB: These must have the same values as IEEE80211_ATHC_* */
185 #define IEEE80211_NODE_TURBOP 0x0001 /* Turbo prime enable */
186 #define IEEE80211_NODE_COMP 0x0002 /* Compresssion enable */
187 #define IEEE80211_NODE_FF 0x0004 /* Fast Frame capable */
188 #define IEEE80211_NODE_XR 0x0008 /* Atheros WME enable */
189 #define IEEE80211_NODE_AR 0x0010 /* AR capable */
190 #define IEEE80211_NODE_BOOST 0x0080 /* Dynamic Turbo boosted */
191 uint16_t ni_ath_defkeyix;/* Atheros def key index */
192 const struct ieee80211_txparam *ni_txparms;
193 uint32_t ni_jointime; /* time of join (secs) */
194 uint32_t *ni_challenge; /* shared-key challenge */
195 struct ieee80211_ies ni_ies; /* captured ie's */
196 /* tx seq per-tid */
197 ieee80211_seq ni_txseqs[IEEE80211_TID_SIZE];
198 /* rx seq previous per-tid*/
199 ieee80211_seq ni_rxseqs[IEEE80211_TID_SIZE];
200 uint32_t ni_rxfragstamp; /* time stamp of last rx frag */
201 struct mbuf *ni_rxfrag[3]; /* rx frag reassembly */
202 struct ieee80211_key ni_ucastkey; /* unicast key */
203
204 /* hardware */
205 uint32_t ni_avgrssi; /* recv ssi state */
206 int8_t ni_noise; /* noise floor */
207
208 /* mimo statistics */
209 uint32_t ni_mimo_rssi_ctl[IEEE80211_MAX_CHAINS];
210 uint32_t ni_mimo_rssi_ext[IEEE80211_MAX_CHAINS];
211 uint8_t ni_mimo_noise_ctl[IEEE80211_MAX_CHAINS];
212 uint8_t ni_mimo_noise_ext[IEEE80211_MAX_CHAINS];
213 uint8_t ni_mimo_chains;
214
215 /* header */
216 uint8_t ni_macaddr[IEEE80211_ADDR_LEN];
217 uint8_t ni_bssid[IEEE80211_ADDR_LEN];
218
219 /* beacon, probe response */
220 union {
221 uint8_t data[8];
222 u_int64_t tsf;
223 } ni_tstamp; /* from last rcv'd beacon */
224 uint16_t ni_intval; /* beacon interval */
225 uint16_t ni_capinfo; /* capabilities */
226 uint8_t ni_esslen;
227 uint8_t ni_essid[IEEE80211_NWID_LEN];
228 struct ieee80211_rateset ni_rates; /* negotiated rate set */
229 struct ieee80211_channel *ni_chan;
230 uint16_t ni_fhdwell; /* FH only */
231 uint8_t ni_fhindex; /* FH only */
232 uint16_t ni_erp; /* ERP from beacon/probe resp */
233 uint16_t ni_timoff; /* byte offset to TIM ie */
234 uint8_t ni_dtim_period; /* DTIM period */
235 uint8_t ni_dtim_count; /* DTIM count for last bcn */
236
237 /* 11s state */
238 uint8_t ni_meshidlen;
239 uint8_t ni_meshid[IEEE80211_MESHID_LEN];
240 enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */
241 uint16_t ni_mllid; /* link local ID */
242 uint16_t ni_mlpid; /* link peer ID */
243 struct callout ni_mltimer; /* link mesh timer */
244 uint8_t ni_mlrcnt; /* link mesh retry counter */
245 uint8_t ni_mltval; /* link mesh timer value */
246 struct callout ni_mlhtimer; /* link mesh backoff timer */
247 uint8_t ni_mlhcnt; /* link mesh holding counter */
248
249 /* 11n state */
250 uint16_t ni_htcap; /* HT capabilities */
251 uint8_t ni_htparam; /* HT params */
252 uint8_t ni_htctlchan; /* HT control channel */
253 uint8_t ni_ht2ndchan; /* HT 2nd channel */
254 uint8_t ni_htopmode; /* HT operating mode */
255 uint8_t ni_htstbc; /* HT */
256 enum ieee80211_sta_rx_bw ni_chw; /* negotiated channel width */
257 struct ieee80211_htrateset ni_htrates; /* negotiated ht rate set */
258 struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_TID];
259 struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID];
260
261 /* VHT state */
262 uint32_t ni_vhtcap;
263 uint16_t ni_vht_basicmcs;
264 uint16_t ni_vht_pad2;
265 struct ieee80211_vht_mcs_info ni_vht_mcsinfo;
266 uint8_t ni_vht_chan1; /* 20/40/80/160 - VHT chan1 */
267 uint8_t ni_vht_chan2; /* 80+80 - VHT chan2 */
268 uint8_t ni_vht_chanwidth; /* IEEE80211_VHT_CHANWIDTH_ */
269 uint8_t ni_vht_pad1;
270 uint32_t ni_vht_spare[8];
271
272 /* fast-frames state */
273 struct mbuf * ni_tx_superg[WME_NUM_TID];
274
275 /* others */
276 short ni_inact; /* inactivity mark count */
277 short ni_inact_reload;/* inactivity reload value */
278 int ni_txrate; /* legacy rate/MCS */
279 struct ieee80211_psq ni_psq; /* power save queue */
280 struct ieee80211_nodestats ni_stats; /* per-node statistics */
281
282 struct ieee80211vap *ni_wdsvap; /* associated WDS vap */
283 void *ni_rctls; /* private ratectl state */
284
285 /* quiet time IE state for the given node */
286 uint32_t ni_quiet_ie_set; /* Quiet time IE was seen */
287 struct ieee80211_quiet_ie ni_quiet_ie; /* last seen quiet IE */
288
289 /* U-APSD */
290 uint8_t ni_uapsd; /* U-APSD per-node flags matching WMM STA QoS Info field */
291
292 void *ni_drv_data; /* driver specific */
293
294 uint64_t ni_spare[3];
295 };
296 MALLOC_DECLARE(M_80211_NODE);
297 MALLOC_DECLARE(M_80211_NODE_IE);
298
299 #define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP)
300 #define IEEE80211_NODE_AMPDU \
301 (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX)
302 #define IEEE80211_NODE_AMSDU \
303 (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX)
304 #define IEEE80211_NODE_HT_ALL \
305 (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \
306 IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \
307 IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \
308 IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40)
309
310 #define IEEE80211_NODE_BITS \
311 "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
312 "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \
313 "\22ASSOCID"
314
315 #define IEEE80211_NODE_AID(ni) IEEE80211_AID(ni->ni_associd)
316
317 #define IEEE80211_NODE_STAT(ni,stat) (ni->ni_stats.ns_##stat++)
318 #define IEEE80211_NODE_STAT_ADD(ni,stat,v) (ni->ni_stats.ns_##stat += v)
319 #define IEEE80211_NODE_STAT_SET(ni,stat,v) (ni->ni_stats.ns_##stat = v)
320
321 /*
322 * Filtered rssi calculation support. The receive rssi is maintained
323 * as an average over the last 10 frames received using a low pass filter
324 * (all frames for now, possibly need to be more selective). Calculations
325 * are designed such that a good compiler can optimize them. The avg
326 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and
327 * each sample incorporated with IEEE80211_RSSI_LPF. Use IEEE80211_RSSI_GET
328 * to extract the current value.
329 *
330 * Note that we assume rssi data are in the range [-127..127] and we
331 * discard values <-20. This is consistent with assumptions throughout
332 * net80211 that signal strength data are in .5 dBm units relative to
333 * the current noise floor (linear, not log).
334 */
335 #define IEEE80211_RSSI_LPF_LEN 10
336 #define IEEE80211_RSSI_DUMMY_MARKER 127
337 /* NB: pow2 to optimize out * and / */
338 #define IEEE80211_RSSI_EP_MULTIPLIER (1<<7)
339 #define IEEE80211_RSSI_IN(x) ((x) * IEEE80211_RSSI_EP_MULTIPLIER)
340 #define _IEEE80211_RSSI_LPF(x, y, len) \
341 (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
342 #define IEEE80211_RSSI_LPF(x, y) do { \
343 if ((y) >= -20) { \
344 x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), \
345 IEEE80211_RSSI_LPF_LEN); \
346 } \
347 } while (0)
348 #define IEEE80211_RSSI_EP_RND(x, mul) \
349 ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
350 #define IEEE80211_RSSI_GET(x) \
351 IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER)
352
353 void ieee80211_node_attach(struct ieee80211com *);
354 void ieee80211_node_lateattach(struct ieee80211com *);
355 void ieee80211_node_detach(struct ieee80211com *);
356 void ieee80211_node_vattach(struct ieee80211vap *);
357 void ieee80211_node_latevattach(struct ieee80211vap *);
358 void ieee80211_node_vdetach(struct ieee80211vap *);
359
360 static __inline int
ieee80211_node_is_authorized(const struct ieee80211_node * ni)361 ieee80211_node_is_authorized(const struct ieee80211_node *ni)
362 {
363 return (ni->ni_flags & IEEE80211_NODE_AUTH);
364 }
365
366 void ieee80211_node_authorize(struct ieee80211_node *);
367 void ieee80211_node_unauthorize(struct ieee80211_node *);
368
369 void ieee80211_node_setuptxparms(struct ieee80211_node *);
370 void ieee80211_node_set_chan(struct ieee80211_node *,
371 struct ieee80211_channel *);
372 void ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *);
373 void ieee80211_reset_bss(struct ieee80211vap *);
374 void ieee80211_sync_curchan(struct ieee80211com *);
375 void ieee80211_setupcurchan(struct ieee80211com *,
376 struct ieee80211_channel *);
377 void ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *);
378 void ieee80211_update_chw(struct ieee80211com *);
379 int ieee80211_ibss_merge_check(struct ieee80211_node *);
380 int ieee80211_ibss_node_check_new(struct ieee80211_node *ni,
381 const struct ieee80211_scanparams *);
382 int ieee80211_ibss_merge(struct ieee80211_node *);
383 struct ieee80211_scan_entry;
384 int ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *,
385 const struct ieee80211_scan_entry *);
386 void ieee80211_sta_leave(struct ieee80211_node *);
387 void ieee80211_node_deauth(struct ieee80211_node *, int);
388
389 int ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int);
390 void ieee80211_ies_cleanup(struct ieee80211_ies *);
391 void ieee80211_ies_expand(struct ieee80211_ies *);
392 #define ieee80211_ies_setie(_ies, _ie, _off) do { \
393 (_ies)._ie = (_ies).data + (_off); \
394 } while (0)
395
396 /*
397 * Table of ieee80211_node instances. Each ieee80211com
398 * has one that holds association stations (when operating
399 * as an ap) or neighbors (in ibss mode).
400 *
401 * XXX embed this in ieee80211com instead of indirect?
402 */
403 struct ieee80211_node_table {
404 struct ieee80211com *nt_ic; /* back reference */
405 ieee80211_node_lock_t nt_nodelock; /* on node table */
406 TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */
407 LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE];
408 int nt_count; /* number of nodes */
409 struct ieee80211_node **nt_keyixmap; /* key ix -> node map */
410 int nt_keyixmax; /* keyixmap size */
411 const char *nt_name; /* table name for debug msgs */
412 int nt_inact_init; /* initial node inact setting */
413 };
414
415 struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *,
416 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
417 struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *,
418 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
419 struct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *,
420 const uint8_t bssid[IEEE80211_ADDR_LEN],
421 struct ieee80211_channel *);
422
423 /* These functions are taking __func__, __LINE__ for IEEE80211_DEBUG_REFCNT */
424 struct ieee80211_node *_ieee80211_ref_node(struct ieee80211_node *,
425 const char *func, int line);
426 void _ieee80211_free_node(struct ieee80211_node *,
427 const char *func, int line);
428 struct ieee80211_node *_ieee80211_find_node_locked(
429 struct ieee80211_node_table *,
430 const uint8_t macaddr[IEEE80211_ADDR_LEN],
431 const char *func, int line);
432 struct ieee80211_node *_ieee80211_find_node(struct ieee80211_node_table *,
433 const uint8_t macaddr[IEEE80211_ADDR_LEN],
434 const char *func, int line);
435 struct ieee80211_node *_ieee80211_find_vap_node_locked(
436 struct ieee80211_node_table *,
437 const struct ieee80211vap *vap,
438 const uint8_t macaddr[IEEE80211_ADDR_LEN],
439 const char *func, int line);
440 struct ieee80211_node *_ieee80211_find_vap_node(
441 struct ieee80211_node_table *,
442 const struct ieee80211vap *vap,
443 const uint8_t macaddr[IEEE80211_ADDR_LEN],
444 const char *func, int line);
445 struct ieee80211_node *_ieee80211_find_rxnode(struct ieee80211com *,
446 const struct ieee80211_frame_min *,
447 const char *func, int line);
448 struct ieee80211_node *_ieee80211_find_rxnode_withkey(
449 struct ieee80211com *,
450 const struct ieee80211_frame_min *, uint16_t keyix,
451 const char *func, int line);
452 struct ieee80211_node *_ieee80211_find_txnode(struct ieee80211vap *,
453 const uint8_t macaddr[IEEE80211_ADDR_LEN],
454 const char *func, int line);
455 #define ieee80211_ref_node(ni) \
456 _ieee80211_ref_node(ni, __func__, __LINE__)
457 #define ieee80211_free_node(ni) \
458 _ieee80211_free_node(ni, __func__, __LINE__)
459 #define ieee80211_find_node_locked(nt, mac) \
460 _ieee80211_find_node_locked(nt, mac, __func__, __LINE__)
461 #define ieee80211_find_node(nt, mac) \
462 _ieee80211_find_node(nt, mac, __func__, __LINE__)
463 #define ieee80211_find_vap_node_locked(nt, vap, mac) \
464 _ieee80211_find_vap_node_locked(nt, vap, mac, __func__, __LINE__)
465 #define ieee80211_find_vap_node(nt, vap, mac) \
466 _ieee80211_find_vap_node(nt, vap, mac, __func__, __LINE__)
467 #define ieee80211_find_rxnode(ic, wh) \
468 _ieee80211_find_rxnode(ic, wh, __func__, __LINE__)
469 #define ieee80211_find_rxnode_withkey(ic, wh, keyix) \
470 _ieee80211_find_rxnode_withkey(ic, wh, keyix, __func__, __LINE__)
471 #define ieee80211_find_txnode(vap, mac) \
472 _ieee80211_find_txnode(vap, mac, __func__, __LINE__)
473
474 int ieee80211_node_delucastkey(struct ieee80211_node *);
475 void ieee80211_node_timeout(void *arg);
476
477 typedef void ieee80211_iter_func(void *, struct ieee80211_node *);
478 int ieee80211_iterate_nodes_vap(struct ieee80211_node_table *,
479 struct ieee80211vap *, ieee80211_iter_func *, void *);
480 void ieee80211_iterate_nodes(struct ieee80211_node_table *,
481 ieee80211_iter_func *, void *);
482
483 void ieee80211_notify_erp_locked(struct ieee80211com *);
484 void ieee80211_dump_node(struct ieee80211_node_table *,
485 struct ieee80211_node *);
486 void ieee80211_dump_nodes(struct ieee80211_node_table *);
487
488 struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *,
489 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
490 struct ieee80211_scanparams;
491 void ieee80211_init_neighbor(struct ieee80211_node *,
492 const struct ieee80211_frame *,
493 const struct ieee80211_scanparams *);
494 struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *,
495 const struct ieee80211_frame *,
496 const struct ieee80211_scanparams *);
497 void ieee80211_node_join(struct ieee80211_node *,int);
498 void ieee80211_node_leave(struct ieee80211_node *);
499 int8_t ieee80211_getrssi(struct ieee80211vap *);
500 void ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *);
501 #endif /* _NET80211_IEEE80211_NODE_H_ */
502