summaryrefslogtreecommitdiffstats
path: root/sys/net80211/ieee80211_node.h
blob: bb31136892d6ff4deda9f716cbdc735557e857be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
/*-
 * Copyright (c) 2001 Atsushi Onoe
 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD$
 */
#ifndef _NET80211_IEEE80211_NODE_H_
#define _NET80211_IEEE80211_NODE_H_

#include <net80211/ieee80211_ioctl.h>		/* for ieee80211_nodestats */
#include <net80211/ieee80211_ht.h>		/* for aggregation state */

/*
 * Each ieee80211com instance has a single timer that fires every
 * IEEE80211_INACT_WAIT seconds to handle "inactivity processing".
 * This is used to do node inactivity processing when operating
 * as an AP, adhoc or mesh mode.  For inactivity processing each node
 * has a timeout set in it's ni_inact field that is decremented
 * on each timeout and the node is reclaimed when the counter goes
 * to zero.  We use different inactivity timeout values depending
 * on whether the node is associated and authorized (either by
 * 802.1x or open/shared key authentication) or associated but yet
 * to be authorized.  The latter timeout is shorter to more aggressively
 * reclaim nodes that leave part way through the 802.1x exchange.
 */
#define	IEEE80211_INACT_WAIT	15		/* inactivity interval (secs) */
#define	IEEE80211_INACT_INIT	(30/IEEE80211_INACT_WAIT)	/* initial */
#define	IEEE80211_INACT_AUTH	(180/IEEE80211_INACT_WAIT)	/* associated but not authorized */
#define	IEEE80211_INACT_RUN	(300/IEEE80211_INACT_WAIT)	/* authorized */
#define	IEEE80211_INACT_PROBE	(30/IEEE80211_INACT_WAIT)	/* probe */
#define	IEEE80211_INACT_SCAN	(300/IEEE80211_INACT_WAIT)	/* scanned */

#define	IEEE80211_TRANS_WAIT 	2		/* mgt frame tx timer (secs) */

/* threshold for aging overlapping non-ERP bss */
#define	IEEE80211_NONERP_PRESENT_AGE	msecs_to_ticks(60*1000)

#define	IEEE80211_NODE_HASHSIZE	32		/* NB: hash size must be pow2 */
/* simple hash is enough for variation of macaddr */
#define	IEEE80211_NODE_HASH(ic, addr)	\
	(((const uint8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % \
		IEEE80211_NODE_HASHSIZE)

struct ieee80211_node_table;
struct ieee80211com;
struct ieee80211vap;

/*
 * Information element ``blob''.  We use this structure
 * to capture management frame payloads that need to be
 * retained.  Information elements within the payload that
 * we need to consult have references recorded.
 */
struct ieee80211_ies {
	/* the following are either NULL or point within data */
	uint8_t	*wpa_ie;	/* captured WPA ie */
	uint8_t	*rsn_ie;	/* captured RSN ie */
	uint8_t	*wme_ie;	/* captured WME ie */
	uint8_t	*ath_ie;	/* captured Atheros ie */
	uint8_t	*htcap_ie;	/* captured HTCAP ie */
	uint8_t	*htinfo_ie;	/* captured HTINFO ie */
	uint8_t	*tdma_ie;	/* captured TDMA ie */
	uint8_t *meshid_ie;	/* captured MESH ID ie */
	uint8_t	*spare[4];
	/* NB: these must be the last members of this structure */
	uint8_t	*data;		/* frame data > 802.11 header */
	int	len;		/* data size in bytes */
};

/*
 * 802.11s (Mesh) Peer Link FSM state.
 */
enum ieee80211_mesh_mlstate {
	IEEE80211_NODE_MESH_IDLE	= 0,
	IEEE80211_NODE_MESH_OPENSNT	= 1,	/* open frame sent */
	IEEE80211_NODE_MESH_OPENRCV	= 2,	/* open frame received */
	IEEE80211_NODE_MESH_CONFIRMRCV	= 3,	/* confirm frame received */
	IEEE80211_NODE_MESH_ESTABLISHED	= 4,	/* link established */
	IEEE80211_NODE_MESH_HOLDING	= 5,	/* link closing */
};
#define	IEEE80211_MESH_MLSTATE_BITS \
	"\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING"

/*
 * Node specific information.  Note that drivers are expected
 * to derive from this structure to add device-specific per-node
 * state.  This is done by overriding the ic_node_* methods in
 * the ieee80211com structure.
 */
struct ieee80211_node {
	struct ieee80211vap	*ni_vap;	/* associated vap */
	struct ieee80211com	*ni_ic;		/* copy from vap to save deref*/
	struct ieee80211_node_table *ni_table;	/* NB: may be NULL */
	TAILQ_ENTRY(ieee80211_node) ni_list;	/* list of all nodes */
	LIST_ENTRY(ieee80211_node) ni_hash;	/* hash collision list */
	u_int			ni_refcnt;	/* count of held references */
	u_int			ni_scangen;	/* gen# for timeout scan */
	u_int			ni_flags;
#define	IEEE80211_NODE_AUTH	0x000001	/* authorized for data */
#define	IEEE80211_NODE_QOS	0x000002	/* QoS enabled */
#define	IEEE80211_NODE_ERP	0x000004	/* ERP enabled */
/* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */
#define	IEEE80211_NODE_PWR_MGT	0x000010	/* power save mode enabled */
#define	IEEE80211_NODE_AREF	0x000020	/* authentication ref held */
#define	IEEE80211_NODE_HT	0x000040	/* HT enabled */
#define	IEEE80211_NODE_HTCOMPAT	0x000080	/* HT setup w/ vendor OUI's */
#define	IEEE80211_NODE_WPS	0x000100	/* WPS association */
#define	IEEE80211_NODE_TSN	0x000200	/* TSN association */
#define	IEEE80211_NODE_AMPDU_RX	0x000400	/* AMPDU rx enabled */
#define	IEEE80211_NODE_AMPDU_TX	0x000800	/* AMPDU tx enabled */
#define	IEEE80211_NODE_MIMO_PS	0x001000	/* MIMO power save enabled */
#define	IEEE80211_NODE_MIMO_RTS	0x002000	/* send RTS in MIMO PS */
#define	IEEE80211_NODE_RIFS	0x004000	/* RIFS enabled */
#define	IEEE80211_NODE_SGI20	0x008000	/* Short GI in HT20 enabled */
#define	IEEE80211_NODE_SGI40	0x010000	/* Short GI in HT40 enabled */
#define	IEEE80211_NODE_ASSOCID	0x020000	/* xmit requires associd */
#define	IEEE80211_NODE_AMSDU_RX	0x040000	/* AMSDU rx enabled */
#define	IEEE80211_NODE_AMSDU_TX	0x080000	/* AMSDU tx enabled */
	uint16_t		ni_associd;	/* association ID */
	uint16_t		ni_vlan;	/* vlan tag */
	uint16_t		ni_txpower;	/* current transmit power */
	uint8_t			ni_authmode;	/* authentication algorithm */
	uint8_t			ni_ath_flags;	/* Atheros feature flags */
	/* NB: These must have the same values as IEEE80211_ATHC_* */
#define IEEE80211_NODE_TURBOP	0x0001		/* Turbo prime enable */
#define IEEE80211_NODE_COMP	0x0002		/* Compresssion enable */
#define IEEE80211_NODE_FF	0x0004          /* Fast Frame capable */
#define IEEE80211_NODE_XR	0x0008		/* Atheros WME enable */
#define IEEE80211_NODE_AR	0x0010		/* AR capable */
#define IEEE80211_NODE_BOOST	0x0080		/* Dynamic Turbo boosted */
	uint16_t		ni_ath_defkeyix;/* Atheros def key index */
	const struct ieee80211_txparam *ni_txparms;
	uint32_t		ni_jointime;	/* time of join (secs) */
	uint32_t		*ni_challenge;	/* shared-key challenge */
	struct ieee80211_ies	ni_ies;		/* captured ie's */
						/* tx seq per-tid */
	ieee80211_seq		ni_txseqs[IEEE80211_TID_SIZE];
						/* rx seq previous per-tid*/
	ieee80211_seq		ni_rxseqs[IEEE80211_TID_SIZE];
	uint32_t		ni_rxfragstamp;	/* time stamp of last rx frag */
	struct mbuf		*ni_rxfrag[3];	/* rx frag reassembly */
	struct ieee80211_key	ni_ucastkey;	/* unicast key */

	/* hardware */
	uint32_t		ni_avgrssi;	/* recv ssi state */
	int8_t			ni_noise;	/* noise floor */

	/* mimo statistics */
	uint32_t		ni_mimo_rssi_ctl[IEEE80211_MAX_CHAINS];
	uint32_t		ni_mimo_rssi_ext[IEEE80211_MAX_CHAINS];
	uint8_t			ni_mimo_noise_ctl[IEEE80211_MAX_CHAINS];
	uint8_t			ni_mimo_noise_ext[IEEE80211_MAX_CHAINS];
	uint8_t			ni_mimo_chains;

	/* header */
	uint8_t			ni_macaddr[IEEE80211_ADDR_LEN];
	uint8_t			ni_bssid[IEEE80211_ADDR_LEN];

	/* beacon, probe response */
	union {
		uint8_t		data[8];
		u_int64_t	tsf;
	} ni_tstamp;				/* from last rcv'd beacon */
	uint16_t		ni_intval;	/* beacon interval */
	uint16_t		ni_capinfo;	/* capabilities */
	uint8_t			ni_esslen;
	uint8_t			ni_essid[IEEE80211_NWID_LEN];
	struct ieee80211_rateset ni_rates;	/* negotiated rate set */
	struct ieee80211_channel *ni_chan;
	uint16_t		ni_fhdwell;	/* FH only */
	uint8_t			ni_fhindex;	/* FH only */
	uint16_t		ni_erp;		/* ERP from beacon/probe resp */
	uint16_t		ni_timoff;	/* byte offset to TIM ie */
	uint8_t			ni_dtim_period;	/* DTIM period */
	uint8_t			ni_dtim_count;	/* DTIM count for last bcn */

	/* 11s state */
	uint8_t			ni_meshidlen;
	uint8_t			ni_meshid[IEEE80211_MESHID_LEN];
	enum ieee80211_mesh_mlstate ni_mlstate;	/* peering management state */
	uint16_t		ni_mllid;	/* link local ID */
	uint16_t		ni_mlpid;	/* link peer ID */
	struct callout		ni_mltimer;	/* link mesh timer */
	uint8_t			ni_mlrcnt;	/* link mesh retry counter */
	uint8_t			ni_mltval;	/* link mesh timer value */
	struct callout		ni_mlhtimer;	/* link mesh backoff timer */
	uint8_t			ni_mlhcnt;	/* link mesh holding counter */

	/* 11n state */
	uint16_t		ni_htcap;	/* HT capabilities */
	uint8_t			ni_htparam;	/* HT params */
	uint8_t			ni_htctlchan;	/* HT control channel */
	uint8_t			ni_ht2ndchan;	/* HT 2nd channel */
	uint8_t			ni_htopmode;	/* HT operating mode */
	uint8_t			ni_htstbc;	/* HT */
	uint8_t			ni_chw;		/* negotiated channel width */
	struct ieee80211_htrateset ni_htrates;	/* negotiated ht rate set */
	struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_TID];
	struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID];

	/* others */
	short			ni_inact;	/* inactivity mark count */
	short			ni_inact_reload;/* inactivity reload value */
	int			ni_txrate;	/* legacy rate/MCS */
	struct ieee80211_psq	ni_psq;		/* power save queue */
	struct ieee80211_nodestats ni_stats;	/* per-node statistics */

	struct ieee80211vap	*ni_wdsvap;	/* associated WDS vap */
	void			*ni_rctls;	/* private ratectl state */
	uint64_t		ni_spare[3];
};
MALLOC_DECLARE(M_80211_NODE);
MALLOC_DECLARE(M_80211_NODE_IE);

#define	IEEE80211_NODE_ATH	(IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP)
#define	IEEE80211_NODE_AMPDU \
	(IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX)
#define	IEEE80211_NODE_AMSDU \
	(IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX)
#define	IEEE80211_NODE_HT_ALL \
	(IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \
	 IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \
	 IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \
	 IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40)

#define	IEEE80211_NODE_BITS \
	"\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
	"\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \
	"\22ASSOCID"

#define	IEEE80211_NODE_AID(ni)	IEEE80211_AID(ni->ni_associd)

#define	IEEE80211_NODE_STAT(ni,stat)	(ni->ni_stats.ns_##stat++)
#define	IEEE80211_NODE_STAT_ADD(ni,stat,v)	(ni->ni_stats.ns_##stat += v)
#define	IEEE80211_NODE_STAT_SET(ni,stat,v)	(ni->ni_stats.ns_##stat = v)

/*
 * Filtered rssi calculation support.  The receive rssi is maintained
 * as an average over the last 10 frames received using a low pass filter
 * (all frames for now, possibly need to be more selective).  Calculations
 * are designed such that a good compiler can optimize them.  The avg
 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and
 * each sample incorporated with IEEE80211_RSSI_LPF.  Use IEEE80211_RSSI_GET
 * to extract the current value.
 *
 * Note that we assume rssi data are in the range [-127..127] and we
 * discard values <-20.  This is consistent with assumptions throughout
 * net80211 that signal strength data are in .5 dBm units relative to
 * the current noise floor (linear, not log).
 */
#define IEEE80211_RSSI_LPF_LEN		10
#define	IEEE80211_RSSI_DUMMY_MARKER	127
/* NB: pow2 to optimize out * and / */
#define	IEEE80211_RSSI_EP_MULTIPLIER	(1<<7)
#define IEEE80211_RSSI_IN(x)		((x) * IEEE80211_RSSI_EP_MULTIPLIER)
#define _IEEE80211_RSSI_LPF(x, y, len) \
    (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
#define IEEE80211_RSSI_LPF(x, y) do {					\
    if ((y) >= -20) {							\
    	x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), 		\
		IEEE80211_RSSI_LPF_LEN);				\
    }									\
} while (0)
#define	IEEE80211_RSSI_EP_RND(x, mul) \
	((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
#define	IEEE80211_RSSI_GET(x) \
	IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER)

static __inline struct ieee80211_node *
ieee80211_ref_node(struct ieee80211_node *ni)
{
	ieee80211_node_incref(ni);
	return ni;
}

static __inline void
ieee80211_unref_node(struct ieee80211_node **ni)
{
	ieee80211_node_decref(*ni);
	*ni = NULL;			/* guard against use */
}

void	ieee80211_node_attach(struct ieee80211com *);
void	ieee80211_node_lateattach(struct ieee80211com *);
void	ieee80211_node_detach(struct ieee80211com *);
void	ieee80211_node_vattach(struct ieee80211vap *);
void	ieee80211_node_latevattach(struct ieee80211vap *);
void	ieee80211_node_vdetach(struct ieee80211vap *);

static __inline int
ieee80211_node_is_authorized(const struct ieee80211_node *ni)
{
	return (ni->ni_flags & IEEE80211_NODE_AUTH);
}

void	ieee80211_node_authorize(struct ieee80211_node *);
void	ieee80211_node_unauthorize(struct ieee80211_node *);

void	ieee80211_node_setuptxparms(struct ieee80211_node *);
void	ieee80211_node_set_chan(struct ieee80211_node *,
		struct ieee80211_channel *);
void	ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *);
void	ieee80211_reset_bss(struct ieee80211vap *);
void	ieee80211_sync_curchan(struct ieee80211com *);
void	ieee80211_setupcurchan(struct ieee80211com *,
	    struct ieee80211_channel *);
void	ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *);
void	ieee80211_update_chw(struct ieee80211com *);
int	ieee80211_ibss_merge(struct ieee80211_node *);
struct ieee80211_scan_entry;
int	ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *,
		const struct ieee80211_scan_entry *);
void	ieee80211_sta_leave(struct ieee80211_node *);
void	ieee80211_node_deauth(struct ieee80211_node *, int);

int	ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int);
void	ieee80211_ies_cleanup(struct ieee80211_ies *);
void	ieee80211_ies_expand(struct ieee80211_ies *);
#define	ieee80211_ies_setie(_ies, _ie, _off) do {		\
	(_ies)._ie = (_ies).data + (_off);			\
} while (0)

/*
 * Table of ieee80211_node instances.  Each ieee80211com
 * has one that holds association stations (when operating
 * as an ap) or neighbors (in ibss mode).
 *
 * XXX embed this in ieee80211com instead of indirect?
 */
struct ieee80211_node_table {
	struct ieee80211com	*nt_ic;		/* back reference */
	ieee80211_node_lock_t	nt_nodelock;	/* on node table */
	TAILQ_HEAD(, ieee80211_node) nt_node;	/* information of all nodes */
	LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE];
	struct ieee80211_node	**nt_keyixmap;	/* key ix -> node map */
	int			nt_keyixmax;	/* keyixmap size */
	const char		*nt_name;	/* table name for debug msgs */
	ieee80211_scan_lock_t	nt_scanlock;	/* on nt_scangen */
	u_int			nt_scangen;	/* gen# for iterators */
	int			nt_inact_init;	/* initial node inact setting */
};

struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *,
		struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *,
		const uint8_t bssid[IEEE80211_ADDR_LEN],
		struct ieee80211_channel *);
#ifdef IEEE80211_DEBUG_REFCNT
void	ieee80211_free_node_debug(struct ieee80211_node *,
		const char *func, int line);
struct ieee80211_node *ieee80211_find_node_locked_debug(
		struct ieee80211_node_table *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN],
		const char *func, int line);
struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN],
		const char *func, int line);
struct ieee80211_node *ieee80211_find_vap_node_locked_debug(
		struct ieee80211_node_table *,
		const struct ieee80211vap *vap,
		const uint8_t macaddr[IEEE80211_ADDR_LEN],
		const char *func, int line);
struct ieee80211_node *ieee80211_find_vap_node_debug(
		struct ieee80211_node_table *,
		const struct ieee80211vap *vap,
		const uint8_t macaddr[IEEE80211_ADDR_LEN],
		const char *func, int line);
struct ieee80211_node * ieee80211_find_rxnode_debug(struct ieee80211com *,
		const struct ieee80211_frame_min *,
		const char *func, int line);
struct ieee80211_node * ieee80211_find_rxnode_withkey_debug(
		struct ieee80211com *,
		const struct ieee80211_frame_min *, uint16_t keyix,
		const char *func, int line);
struct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *,
		const uint8_t *,
		const char *func, int line);
#define	ieee80211_free_node(ni) \
	ieee80211_free_node_debug(ni, __func__, __LINE__)
#define	ieee80211_find_node_locked(nt, mac) \
	ieee80211_find_node_locked_debug(nt, mac, __func__, __LINE__)
#define	ieee80211_find_node(nt, mac) \
	ieee80211_find_node_debug(nt, mac, __func__, __LINE__)
#define	ieee80211_find_vap_node_locked(nt, vap, mac) \
	ieee80211_find_vap_node_locked_debug(nt, vap, mac, __func__, __LINE__)
#define	ieee80211_find_vap_node(nt, vap, mac) \
	ieee80211_find_vap_node_debug(nt, vap, mac, __func__, __LINE__)
#define	ieee80211_find_rxnode(ic, wh) \
	ieee80211_find_rxnode_debug(ic, wh, __func__, __LINE__)
#define	ieee80211_find_rxnode_withkey(ic, wh, keyix) \
	ieee80211_find_rxnode_withkey_debug(ic, wh, keyix, __func__, __LINE__)
#define	ieee80211_find_txnode(vap, mac) \
	ieee80211_find_txnode_debug(vap, mac, __func__, __LINE__)
#else
void	ieee80211_free_node(struct ieee80211_node *);
struct ieee80211_node *ieee80211_find_node_locked(struct ieee80211_node_table *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node *ieee80211_find_vap_node_locked(
		struct ieee80211_node_table *, const struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node *ieee80211_find_vap_node(
		struct ieee80211_node_table *, const struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_node * ieee80211_find_rxnode(struct ieee80211com *,
		const struct ieee80211_frame_min *);
struct ieee80211_node * ieee80211_find_rxnode_withkey(struct ieee80211com *,
		const struct ieee80211_frame_min *, uint16_t keyix);
struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
#endif
int	ieee80211_node_delucastkey(struct ieee80211_node *);
void	ieee80211_node_timeout(void *arg);

typedef void ieee80211_iter_func(void *, struct ieee80211_node *);
int	ieee80211_iterate_nt(struct ieee80211_node_table *,
		struct ieee80211_node **, uint16_t);
void	ieee80211_iterate_nodes(struct ieee80211_node_table *,
		ieee80211_iter_func *, void *);

void	ieee80211_notify_erp(struct ieee80211com *);
void	ieee80211_dump_node(struct ieee80211_node_table *,
		struct ieee80211_node *);
void	ieee80211_dump_nodes(struct ieee80211_node_table *);

struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *,
		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
struct ieee80211_scanparams;
void	ieee80211_init_neighbor(struct ieee80211_node *,
		const struct ieee80211_frame *,
		const struct ieee80211_scanparams *);
struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *,
		const struct ieee80211_frame *,
		const struct ieee80211_scanparams *);
void	ieee80211_node_join(struct ieee80211_node *,int);
void	ieee80211_node_leave(struct ieee80211_node *);
int8_t	ieee80211_getrssi(struct ieee80211vap *);
void	ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *);
#endif /* _NET80211_IEEE80211_NODE_H_ */
OpenPOWER on IntegriCloud