source: rtems-libbsd/freebsd/sys/net80211/ieee80211_node.h @ a241ea8

55-freebsd-126-freebsd-12
Last change on this file since a241ea8 was a241ea8, checked in by Christian Mauderer <Christian.Mauderer@…>, on 11/14/16 at 12:46:13

Import IEEE 802.11 from FreeBSD.
  • Property mode set to 100644
File size: 20.8 KB
Line 
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 <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
65struct ieee80211_node_table;
66struct ieee80211com;
67struct ieee80211vap;
68struct ieee80211_scanparams;
69
70/*
71 * Information element ``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 */
76struct 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 */
100enum 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 * Node specific information.  Note that drivers are expected
113 * to derive from this structure to add device-specific per-node
114 * state.  This is done by overriding the ic_node_* methods in
115 * the ieee80211com structure.
116 */
117struct ieee80211_node {
118        struct ieee80211vap     *ni_vap;        /* associated vap */
119        struct ieee80211com     *ni_ic;         /* copy from vap to save deref*/
120        struct ieee80211_node_table *ni_table;  /* NB: may be NULL */
121        TAILQ_ENTRY(ieee80211_node) ni_list;    /* list of all nodes */
122        LIST_ENTRY(ieee80211_node) ni_hash;     /* hash collision list */
123        u_int                   ni_refcnt;      /* count of held references */
124        u_int                   ni_flags;
125#define IEEE80211_NODE_AUTH     0x000001        /* authorized for data */
126#define IEEE80211_NODE_QOS      0x000002        /* QoS enabled */
127#define IEEE80211_NODE_ERP      0x000004        /* ERP enabled */
128/* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */
129#define IEEE80211_NODE_PWR_MGT  0x000010        /* power save mode enabled */
130#define IEEE80211_NODE_AREF     0x000020        /* authentication ref held */
131#define IEEE80211_NODE_HT       0x000040        /* HT enabled */
132#define IEEE80211_NODE_HTCOMPAT 0x000080        /* HT setup w/ vendor OUI's */
133#define IEEE80211_NODE_WPS      0x000100        /* WPS association */
134#define IEEE80211_NODE_TSN      0x000200        /* TSN association */
135#define IEEE80211_NODE_AMPDU_RX 0x000400        /* AMPDU rx enabled */
136#define IEEE80211_NODE_AMPDU_TX 0x000800        /* AMPDU tx enabled */
137#define IEEE80211_NODE_MIMO_PS  0x001000        /* MIMO power save enabled */
138#define IEEE80211_NODE_MIMO_RTS 0x002000        /* send RTS in MIMO PS */
139#define IEEE80211_NODE_RIFS     0x004000        /* RIFS enabled */
140#define IEEE80211_NODE_SGI20    0x008000        /* Short GI in HT20 enabled */
141#define IEEE80211_NODE_SGI40    0x010000        /* Short GI in HT40 enabled */
142#define IEEE80211_NODE_ASSOCID  0x020000        /* xmit requires associd */
143#define IEEE80211_NODE_AMSDU_RX 0x040000        /* AMSDU rx enabled */
144#define IEEE80211_NODE_AMSDU_TX 0x080000        /* AMSDU tx enabled */
145#define IEEE80211_NODE_VHT      0x100000        /* VHT enabled */
146        uint16_t                ni_associd;     /* association ID */
147        uint16_t                ni_vlan;        /* vlan tag */
148        uint16_t                ni_txpower;     /* current transmit power */
149        uint8_t                 ni_authmode;    /* authentication algorithm */
150        uint8_t                 ni_ath_flags;   /* Atheros feature flags */
151        /* NB: These must have the same values as IEEE80211_ATHC_* */
152#define IEEE80211_NODE_TURBOP   0x0001          /* Turbo prime enable */
153#define IEEE80211_NODE_COMP     0x0002          /* Compresssion enable */
154#define IEEE80211_NODE_FF       0x0004          /* Fast Frame capable */
155#define IEEE80211_NODE_XR       0x0008          /* Atheros WME enable */
156#define IEEE80211_NODE_AR       0x0010          /* AR capable */
157#define IEEE80211_NODE_BOOST    0x0080          /* Dynamic Turbo boosted */
158        uint16_t                ni_ath_defkeyix;/* Atheros def key index */
159        const struct ieee80211_txparam *ni_txparms;
160        uint32_t                ni_jointime;    /* time of join (secs) */
161        uint32_t                *ni_challenge;  /* shared-key challenge */
162        struct ieee80211_ies    ni_ies;         /* captured ie's */
163                                                /* tx seq per-tid */
164        ieee80211_seq           ni_txseqs[IEEE80211_TID_SIZE];
165                                                /* rx seq previous per-tid*/
166        ieee80211_seq           ni_rxseqs[IEEE80211_TID_SIZE];
167        uint32_t                ni_rxfragstamp; /* time stamp of last rx frag */
168        struct mbuf             *ni_rxfrag[3];  /* rx frag reassembly */
169        struct ieee80211_key    ni_ucastkey;    /* unicast key */
170
171        /* hardware */
172        uint32_t                ni_avgrssi;     /* recv ssi state */
173        int8_t                  ni_noise;       /* noise floor */
174
175        /* mimo statistics */
176        uint32_t                ni_mimo_rssi_ctl[IEEE80211_MAX_CHAINS];
177        uint32_t                ni_mimo_rssi_ext[IEEE80211_MAX_CHAINS];
178        uint8_t                 ni_mimo_noise_ctl[IEEE80211_MAX_CHAINS];
179        uint8_t                 ni_mimo_noise_ext[IEEE80211_MAX_CHAINS];
180        uint8_t                 ni_mimo_chains;
181
182        /* header */
183        uint8_t                 ni_macaddr[IEEE80211_ADDR_LEN];
184        uint8_t                 ni_bssid[IEEE80211_ADDR_LEN];
185
186        /* beacon, probe response */
187        union {
188                uint8_t         data[8];
189                u_int64_t       tsf;
190        } ni_tstamp;                            /* from last rcv'd beacon */
191        uint16_t                ni_intval;      /* beacon interval */
192        uint16_t                ni_capinfo;     /* capabilities */
193        uint8_t                 ni_esslen;
194        uint8_t                 ni_essid[IEEE80211_NWID_LEN];
195        struct ieee80211_rateset ni_rates;      /* negotiated rate set */
196        struct ieee80211_channel *ni_chan;
197        uint16_t                ni_fhdwell;     /* FH only */
198        uint8_t                 ni_fhindex;     /* FH only */
199        uint16_t                ni_erp;         /* ERP from beacon/probe resp */
200        uint16_t                ni_timoff;      /* byte offset to TIM ie */
201        uint8_t                 ni_dtim_period; /* DTIM period */
202        uint8_t                 ni_dtim_count;  /* DTIM count for last bcn */
203
204        /* 11s state */
205        uint8_t                 ni_meshidlen;
206        uint8_t                 ni_meshid[IEEE80211_MESHID_LEN];
207        enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */
208        uint16_t                ni_mllid;       /* link local ID */
209        uint16_t                ni_mlpid;       /* link peer ID */
210        struct callout          ni_mltimer;     /* link mesh timer */
211        uint8_t                 ni_mlrcnt;      /* link mesh retry counter */
212        uint8_t                 ni_mltval;      /* link mesh timer value */
213        struct callout          ni_mlhtimer;    /* link mesh backoff timer */
214        uint8_t                 ni_mlhcnt;      /* link mesh holding counter */
215
216        /* 11n state */
217        uint16_t                ni_htcap;       /* HT capabilities */
218        uint8_t                 ni_htparam;     /* HT params */
219        uint8_t                 ni_htctlchan;   /* HT control channel */
220        uint8_t                 ni_ht2ndchan;   /* HT 2nd channel */
221        uint8_t                 ni_htopmode;    /* HT operating mode */
222        uint8_t                 ni_htstbc;      /* HT */
223        uint8_t                 ni_chw;         /* negotiated channel width */
224        struct ieee80211_htrateset ni_htrates;  /* negotiated ht rate set */
225        struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_TID];
226        struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID];
227
228        /* VHT state */
229        uint32_t                ni_vhtcap;
230        uint16_t                ni_vht_basicmcs;
231        uint16_t                ni_vht_pad2;
232        struct ieee80211_vht_mcs_info   ni_vht_mcsinfo;
233        uint8_t                 ni_vht_chan1;   /* 20/40/80/160 - VHT chan1 */
234        uint8_t                 ni_vht_chan2;   /* 80+80 - VHT chan2 */
235        uint8_t                 ni_vht_chanwidth;       /* IEEE80211_VHT_CHANWIDTH_ */
236        uint8_t                 ni_vht_pad1;
237        uint32_t                ni_vht_spare[8];
238
239        /* fast-frames state */
240        struct mbuf *           ni_tx_superg[WME_NUM_TID];
241
242        /* others */
243        short                   ni_inact;       /* inactivity mark count */
244        short                   ni_inact_reload;/* inactivity reload value */
245        int                     ni_txrate;      /* legacy rate/MCS */
246        struct ieee80211_psq    ni_psq;         /* power save queue */
247        struct ieee80211_nodestats ni_stats;    /* per-node statistics */
248
249        struct ieee80211vap     *ni_wdsvap;     /* associated WDS vap */
250        void                    *ni_rctls;      /* private ratectl state */
251        uint64_t                ni_spare[3];
252};
253MALLOC_DECLARE(M_80211_NODE);
254MALLOC_DECLARE(M_80211_NODE_IE);
255
256#define IEEE80211_NODE_ATH      (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP)
257#define IEEE80211_NODE_AMPDU \
258        (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX)
259#define IEEE80211_NODE_AMSDU \
260        (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX)
261#define IEEE80211_NODE_HT_ALL \
262        (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \
263         IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \
264         IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \
265         IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40)
266
267#define IEEE80211_NODE_BITS \
268        "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
269        "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \
270        "\22ASSOCID"
271
272#define IEEE80211_NODE_AID(ni)  IEEE80211_AID(ni->ni_associd)
273
274#define IEEE80211_NODE_STAT(ni,stat)    (ni->ni_stats.ns_##stat++)
275#define IEEE80211_NODE_STAT_ADD(ni,stat,v)      (ni->ni_stats.ns_##stat += v)
276#define IEEE80211_NODE_STAT_SET(ni,stat,v)      (ni->ni_stats.ns_##stat = v)
277
278/*
279 * Filtered rssi calculation support.  The receive rssi is maintained
280 * as an average over the last 10 frames received using a low pass filter
281 * (all frames for now, possibly need to be more selective).  Calculations
282 * are designed such that a good compiler can optimize them.  The avg
283 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and
284 * each sample incorporated with IEEE80211_RSSI_LPF.  Use IEEE80211_RSSI_GET
285 * to extract the current value.
286 *
287 * Note that we assume rssi data are in the range [-127..127] and we
288 * discard values <-20.  This is consistent with assumptions throughout
289 * net80211 that signal strength data are in .5 dBm units relative to
290 * the current noise floor (linear, not log).
291 */
292#define IEEE80211_RSSI_LPF_LEN          10
293#define IEEE80211_RSSI_DUMMY_MARKER     127
294/* NB: pow2 to optimize out * and / */
295#define IEEE80211_RSSI_EP_MULTIPLIER    (1<<7)
296#define IEEE80211_RSSI_IN(x)            ((x) * IEEE80211_RSSI_EP_MULTIPLIER)
297#define _IEEE80211_RSSI_LPF(x, y, len) \
298    (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
299#define IEEE80211_RSSI_LPF(x, y) do {                                   \
300    if ((y) >= -20) {                                                   \
301        x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)),            \
302                IEEE80211_RSSI_LPF_LEN);                                \
303    }                                                                   \
304} while (0)
305#define IEEE80211_RSSI_EP_RND(x, mul) \
306        ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
307#define IEEE80211_RSSI_GET(x) \
308        IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER)
309
310static __inline struct ieee80211_node *
311ieee80211_ref_node(struct ieee80211_node *ni)
312{
313        ieee80211_node_incref(ni);
314        return ni;
315}
316
317static __inline void
318ieee80211_unref_node(struct ieee80211_node **ni)
319{
320        ieee80211_node_decref(*ni);
321        *ni = NULL;                     /* guard against use */
322}
323
324void    ieee80211_node_attach(struct ieee80211com *);
325void    ieee80211_node_lateattach(struct ieee80211com *);
326void    ieee80211_node_detach(struct ieee80211com *);
327void    ieee80211_node_vattach(struct ieee80211vap *);
328void    ieee80211_node_latevattach(struct ieee80211vap *);
329void    ieee80211_node_vdetach(struct ieee80211vap *);
330
331static __inline int
332ieee80211_node_is_authorized(const struct ieee80211_node *ni)
333{
334        return (ni->ni_flags & IEEE80211_NODE_AUTH);
335}
336
337void    ieee80211_node_authorize(struct ieee80211_node *);
338void    ieee80211_node_unauthorize(struct ieee80211_node *);
339
340void    ieee80211_node_setuptxparms(struct ieee80211_node *);
341void    ieee80211_node_set_chan(struct ieee80211_node *,
342                struct ieee80211_channel *);
343void    ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *);
344void    ieee80211_reset_bss(struct ieee80211vap *);
345void    ieee80211_sync_curchan(struct ieee80211com *);
346void    ieee80211_setupcurchan(struct ieee80211com *,
347            struct ieee80211_channel *);
348void    ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *);
349void    ieee80211_update_chw(struct ieee80211com *);
350int     ieee80211_ibss_merge_check(struct ieee80211_node *);
351int     ieee80211_ibss_node_check_new(struct ieee80211_node *ni,
352            const struct ieee80211_scanparams *);
353int     ieee80211_ibss_merge(struct ieee80211_node *);
354struct ieee80211_scan_entry;
355int     ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *,
356                const struct ieee80211_scan_entry *);
357void    ieee80211_sta_leave(struct ieee80211_node *);
358void    ieee80211_node_deauth(struct ieee80211_node *, int);
359
360int     ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int);
361void    ieee80211_ies_cleanup(struct ieee80211_ies *);
362void    ieee80211_ies_expand(struct ieee80211_ies *);
363#define ieee80211_ies_setie(_ies, _ie, _off) do {               \
364        (_ies)._ie = (_ies).data + (_off);                      \
365} while (0)
366
367/*
368 * Table of ieee80211_node instances.  Each ieee80211com
369 * has one that holds association stations (when operating
370 * as an ap) or neighbors (in ibss mode).
371 *
372 * XXX embed this in ieee80211com instead of indirect?
373 */
374struct ieee80211_node_table {
375        struct ieee80211com     *nt_ic;         /* back reference */
376        ieee80211_node_lock_t   nt_nodelock;    /* on node table */
377        TAILQ_HEAD(, ieee80211_node) nt_node;   /* information of all nodes */
378        LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE];
379        int                     nt_count;       /* number of nodes */
380        struct ieee80211_node   **nt_keyixmap;  /* key ix -> node map */
381        int                     nt_keyixmax;    /* keyixmap size */
382        const char              *nt_name;       /* table name for debug msgs */
383        int                     nt_inact_init;  /* initial node inact setting */
384};
385
386struct ieee80211_node *ieee80211_alloc_node(struct ieee80211_node_table *,
387                struct ieee80211vap *,
388                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
389struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *,
390                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
391struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *,
392                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
393struct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *,
394                const uint8_t bssid[IEEE80211_ADDR_LEN],
395                struct ieee80211_channel *);
396#ifdef IEEE80211_DEBUG_REFCNT
397void    ieee80211_free_node_debug(struct ieee80211_node *,
398                const char *func, int line);
399struct ieee80211_node *ieee80211_find_node_locked_debug(
400                struct ieee80211_node_table *,
401                const uint8_t macaddr[IEEE80211_ADDR_LEN],
402                const char *func, int line);
403struct ieee80211_node *ieee80211_find_node_debug(struct ieee80211_node_table *,
404                const uint8_t macaddr[IEEE80211_ADDR_LEN],
405                const char *func, int line);
406struct ieee80211_node *ieee80211_find_vap_node_locked_debug(
407                struct ieee80211_node_table *,
408                const struct ieee80211vap *vap,
409                const uint8_t macaddr[IEEE80211_ADDR_LEN],
410                const char *func, int line);
411struct ieee80211_node *ieee80211_find_vap_node_debug(
412                struct ieee80211_node_table *,
413                const struct ieee80211vap *vap,
414                const uint8_t macaddr[IEEE80211_ADDR_LEN],
415                const char *func, int line);
416struct ieee80211_node * ieee80211_find_rxnode_debug(struct ieee80211com *,
417                const struct ieee80211_frame_min *,
418                const char *func, int line);
419struct ieee80211_node * ieee80211_find_rxnode_withkey_debug(
420                struct ieee80211com *,
421                const struct ieee80211_frame_min *, uint16_t keyix,
422                const char *func, int line);
423struct ieee80211_node *ieee80211_find_txnode_debug(struct ieee80211vap *,
424                const uint8_t *,
425                const char *func, int line);
426#define ieee80211_free_node(ni) \
427        ieee80211_free_node_debug(ni, __func__, __LINE__)
428#define ieee80211_find_node_locked(nt, mac) \
429        ieee80211_find_node_locked_debug(nt, mac, __func__, __LINE__)
430#define ieee80211_find_node(nt, mac) \
431        ieee80211_find_node_debug(nt, mac, __func__, __LINE__)
432#define ieee80211_find_vap_node_locked(nt, vap, mac) \
433        ieee80211_find_vap_node_locked_debug(nt, vap, mac, __func__, __LINE__)
434#define ieee80211_find_vap_node(nt, vap, mac) \
435        ieee80211_find_vap_node_debug(nt, vap, mac, __func__, __LINE__)
436#define ieee80211_find_rxnode(ic, wh) \
437        ieee80211_find_rxnode_debug(ic, wh, __func__, __LINE__)
438#define ieee80211_find_rxnode_withkey(ic, wh, keyix) \
439        ieee80211_find_rxnode_withkey_debug(ic, wh, keyix, __func__, __LINE__)
440#define ieee80211_find_txnode(vap, mac) \
441        ieee80211_find_txnode_debug(vap, mac, __func__, __LINE__)
442#else
443void    ieee80211_free_node(struct ieee80211_node *);
444struct ieee80211_node *ieee80211_find_node_locked(struct ieee80211_node_table *,
445                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
446struct ieee80211_node *ieee80211_find_node(struct ieee80211_node_table *,
447                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
448struct ieee80211_node *ieee80211_find_vap_node_locked(
449                struct ieee80211_node_table *, const struct ieee80211vap *,
450                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
451struct ieee80211_node *ieee80211_find_vap_node(
452                struct ieee80211_node_table *, const struct ieee80211vap *,
453                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
454struct ieee80211_node * ieee80211_find_rxnode(struct ieee80211com *,
455                const struct ieee80211_frame_min *);
456struct ieee80211_node * ieee80211_find_rxnode_withkey(struct ieee80211com *,
457                const struct ieee80211_frame_min *, uint16_t keyix);
458struct ieee80211_node *ieee80211_find_txnode(struct ieee80211vap *,
459                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
460#endif
461int     ieee80211_node_delucastkey(struct ieee80211_node *);
462void    ieee80211_node_timeout(void *arg);
463
464typedef void ieee80211_iter_func(void *, struct ieee80211_node *);
465int     ieee80211_iterate_nodes_vap(struct ieee80211_node_table *,
466                struct ieee80211vap *, ieee80211_iter_func *, void *);
467void    ieee80211_iterate_nodes(struct ieee80211_node_table *,
468                ieee80211_iter_func *, void *);
469
470void    ieee80211_notify_erp(struct ieee80211com *);
471void    ieee80211_dump_node(struct ieee80211_node_table *,
472                struct ieee80211_node *);
473void    ieee80211_dump_nodes(struct ieee80211_node_table *);
474
475struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *,
476                const uint8_t macaddr[IEEE80211_ADDR_LEN]);
477struct ieee80211_scanparams;
478void    ieee80211_init_neighbor(struct ieee80211_node *,
479                const struct ieee80211_frame *,
480                const struct ieee80211_scanparams *);
481struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *,
482                const struct ieee80211_frame *,
483                const struct ieee80211_scanparams *);
484void    ieee80211_node_join(struct ieee80211_node *,int);
485void    ieee80211_node_leave(struct ieee80211_node *);
486int8_t  ieee80211_getrssi(struct ieee80211vap *);
487void    ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *);
488#endif /* _NET80211_IEEE80211_NODE_H_ */
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