ieee80211_var.h revision 192468
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: head/sys/net80211/ieee80211_var.h 192468 2009-05-20 20:00:40Z sam $
27 */
28#ifndef _NET80211_IEEE80211_VAR_H_
29#define _NET80211_IEEE80211_VAR_H_
30
31/*
32 * Definitions for IEEE 802.11 drivers.
33 */
34/* NB: portability glue must go first */
35#ifdef __NetBSD__
36#include <net80211/ieee80211_netbsd.h>
37#elif __FreeBSD__
38#include <net80211/ieee80211_freebsd.h>
39#elif __linux__
40#include <net80211/ieee80211_linux.h>
41#else
42#error	"No support for your operating system!"
43#endif
44
45#include <net80211/_ieee80211.h>
46#include <net80211/ieee80211.h>
47#include <net80211/ieee80211_crypto.h>
48#include <net80211/ieee80211_dfs.h>
49#include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
50#include <net80211/ieee80211_phy.h>
51#include <net80211/ieee80211_power.h>
52#include <net80211/ieee80211_node.h>
53#include <net80211/ieee80211_proto.h>
54#include <net80211/ieee80211_radiotap.h>
55#include <net80211/ieee80211_scan.h>
56
57#define	IEEE80211_TXPOWER_MAX	100	/* .5 dbM (XXX units?) */
58#define	IEEE80211_TXPOWER_MIN	0	/* kill radio */
59
60#define	IEEE80211_DTIM_DEFAULT	1	/* default DTIM period */
61#define	IEEE80211_BINTVAL_DEFAULT 100	/* default beacon interval (TU's) */
62
63#define	IEEE80211_BMISS_MAX	2	/* maximum consecutive bmiss allowed */
64#define	IEEE80211_HWBMISS_DEFAULT 7	/* h/w bmiss threshold (beacons) */
65
66#define	IEEE80211_BGSCAN_INTVAL_MIN	15	/* min bg scan intvl (secs) */
67#define	IEEE80211_BGSCAN_INTVAL_DEFAULT	(5*60)	/* default bg scan intvl */
68
69#define	IEEE80211_BGSCAN_IDLE_MIN	100	/* min idle time (ms) */
70#define	IEEE80211_BGSCAN_IDLE_DEFAULT	250	/* default idle time (ms) */
71
72#define	IEEE80211_SCAN_VALID_MIN	10	/* min scan valid time (secs) */
73#define	IEEE80211_SCAN_VALID_DEFAULT	60	/* default scan valid time */
74
75#define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
76#define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
77
78#define	IEEE80211_FIXED_RATE_NONE	0xff
79#define	IEEE80211_TXMAX_DEFAULT		6	/* default ucast max retries */
80
81#define	IEEE80211_RTS_DEFAULT		IEEE80211_RTS_MAX
82#define	IEEE80211_FRAG_DEFAULT		IEEE80211_FRAG_MAX
83
84#define	IEEE80211_MS_TO_TU(x)	(((x) * 1000) / 1024)
85#define	IEEE80211_TU_TO_MS(x)	(((x) * 1024) / 1000)
86#define	IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
87
88/*
89 * 802.11 control state is split into a common portion that maps
90 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
91 * that are bound to an ieee80211com instance and share a single
92 * underlying device.  Each VAP has a corresponding OS device
93 * entity through which traffic flows and that applications use
94 * for issuing ioctls, etc.
95 */
96
97/*
98 * Data common to one or more virtual AP's.  State shared by
99 * the underlying device and the net80211 layer is exposed here;
100 * e.g. device-specific callbacks.
101 */
102struct ieee80211vap;
103typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
104
105struct ieee80211_appie {
106	uint16_t		ie_len;		/* size of ie_data */
107	uint8_t			ie_data[];	/* user-specified IE's */
108};
109
110struct ieee80211_tdma_param;
111struct ieee80211_rate_table;
112struct ieee80211_tx_ampdu;
113struct ieee80211_rx_ampdu;
114struct ieee80211_superg;
115
116struct ieee80211com {
117	struct ifnet		*ic_ifp;	/* associated device */
118	ieee80211_com_lock_t	ic_comlock;	/* state update lock */
119	TAILQ_HEAD(, ieee80211vap) ic_vaps;	/* list of vap instances */
120	int			ic_headroom;	/* driver tx headroom needs */
121	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
122	enum ieee80211_opmode	ic_opmode;	/* operation mode */
123	struct ifmedia		ic_media;	/* interface media config */
124	struct callout		ic_inact;	/* inactivity processing */
125	struct taskqueue	*ic_tq;		/* deferred state thread */
126	struct task		ic_parent_task;	/* deferred parent processing */
127	struct task		ic_promisc_task;/* deferred promisc update */
128	struct task		ic_mcast_task;	/* deferred mcast update */
129	struct task		ic_chan_task;	/* deferred channel change */
130	struct task		ic_bmiss_task;	/* deferred beacon miss hndlr */
131
132	uint32_t		ic_flags;	/* state flags */
133	uint32_t		ic_flags_ext;	/* extended state flags */
134	uint32_t		ic_flags_ven;	/* vendor state flags */
135	uint32_t		ic_caps;	/* capabilities */
136	uint32_t		ic_htcaps;	/* HT capabilities */
137	uint32_t		ic_cryptocaps;	/* crypto capabilities */
138	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
139	uint8_t			ic_promisc;	/* vap's needing promisc mode */
140	uint8_t			ic_allmulti;	/* vap's needing all multicast*/
141	uint8_t			ic_nrunning;	/* vap's marked running */
142	uint8_t			ic_curmode;	/* current mode */
143	uint16_t		ic_bintval;	/* beacon interval */
144	uint16_t		ic_lintval;	/* listen interval */
145	uint16_t		ic_holdover;	/* PM hold over duration */
146	uint16_t		ic_txpowlimit;	/* global tx power limit */
147	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
148
149	/*
150	 * Channel state:
151	 *
152	 * ic_channels is the set of available channels for the device;
153	 *    it is setup by the driver
154	 * ic_nchans is the number of valid entries in ic_channels
155	 * ic_chan_avail is a bit vector of these channels used to check
156	 *    whether a channel is available w/o searching the channel table.
157	 * ic_chan_active is a (potentially) constrained subset of
158	 *    ic_chan_avail that reflects any mode setting or user-specified
159	 *    limit on the set of channels to use/scan
160	 * ic_curchan is the current channel the device is set to; it may
161	 *    be different from ic_bsschan when we are off-channel scanning
162	 *    or otherwise doing background work
163	 * ic_bsschan is the channel selected for operation; it may
164	 *    be undefined (IEEE80211_CHAN_ANYC)
165	 * ic_prevchan is a cached ``previous channel'' used to optimize
166	 *    lookups when switching back+forth between two channels
167	 *    (e.g. for dynamic turbo)
168	 */
169	int			ic_nchans;	/* # entries in ic_channels */
170	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
171	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
172	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
173	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
174	struct ieee80211_channel *ic_curchan;	/* current channel */
175	const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
176	struct ieee80211_channel *ic_bsschan;	/* bss channel */
177	struct ieee80211_channel *ic_prevchan;	/* previous channel */
178	struct ieee80211_regdomain ic_regdomain;/* regulatory data */
179	struct ieee80211_appie	*ic_countryie;	/* calculated country ie */
180	struct ieee80211_channel *ic_countryie_chan;
181
182	/* 802.11h/DFS state */
183	struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
184	int			ic_csa_count;	/* count for doing CSA */
185	struct ieee80211_dfs_state ic_dfs;	/* DFS state */
186
187	struct ieee80211_scan_state *ic_scan;	/* scan state */
188	int			ic_lastdata;	/* time of last data frame */
189	int			ic_lastscan;	/* time last scan completed */
190
191	/* NB: this is the union of all vap stations/neighbors */
192	int			ic_max_keyix;	/* max h/w key index */
193	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
194
195	/* XXX multi-bss: split out common/vap parts */
196	struct ieee80211_wme_state ic_wme;	/* WME/WMM state */
197
198	/* XXX multi-bss: can per-vap be done/make sense? */
199	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
200	uint16_t		ic_nonerpsta;	/* # non-ERP stations */
201	uint16_t		ic_longslotsta;	/* # long slot time stations */
202	uint16_t		ic_sta_assoc;	/* stations associated */
203	uint16_t		ic_ht_sta_assoc;/* HT stations associated */
204	uint16_t		ic_ht40_sta_assoc;/* HT40 stations associated */
205	uint8_t			ic_curhtprotmode;/* HTINFO bss state */
206	enum ieee80211_protmode	ic_htprotmode;	/* HT protection mode */
207	int			ic_lastnonerp;	/* last time non-ERP sta noted*/
208	int			ic_lastnonht;	/* last time non-HT sta noted */
209
210	/* optional state for Atheros SuperG protocol extensions */
211	struct ieee80211_superg	*ic_superg;
212
213	/* radiotap handling */
214	struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
215	void			*ic_txchan;	/* channel state in ic_th */
216	struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
217	void			*ic_rxchan;	/* channel state in ic_rh */
218	int			ic_monvaps;	/* # monitor mode vaps */
219
220	/* virtual ap create/delete */
221	struct ieee80211vap*	(*ic_vap_create)(struct ieee80211com *,
222				    const char name[IFNAMSIZ], int unit,
223				    int opmode, int flags,
224				    const uint8_t bssid[IEEE80211_ADDR_LEN],
225				    const uint8_t macaddr[IEEE80211_ADDR_LEN]);
226	void			(*ic_vap_delete)(struct ieee80211vap *);
227	/* operating mode attachment */
228	ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
229	/* return hardware/radio capabilities */
230	void			(*ic_getradiocaps)(struct ieee80211com *,
231				    int, int *, struct ieee80211_channel []);
232	/* check and/or prepare regdomain state change */
233	int			(*ic_setregdomain)(struct ieee80211com *,
234				    struct ieee80211_regdomain *,
235				    int, struct ieee80211_channel []);
236	/* send/recv 802.11 management frame */
237	int			(*ic_send_mgmt)(struct ieee80211_node *,
238				     int, int);
239	/* send raw 802.11 frame */
240	int			(*ic_raw_xmit)(struct ieee80211_node *,
241				    struct mbuf *,
242				    const struct ieee80211_bpf_params *);
243	/* update device state for 802.11 slot time change */
244	void			(*ic_updateslot)(struct ifnet *);
245	/* handle multicast state changes */
246	void			(*ic_update_mcast)(struct ifnet *);
247	/* handle promiscuous mode changes */
248	void			(*ic_update_promisc)(struct ifnet *);
249	/* new station association callback/notification */
250	void			(*ic_newassoc)(struct ieee80211_node *, int);
251	/* TDMA update notification */
252	void			(*ic_tdma_update)(struct ieee80211_node *,
253				    const struct ieee80211_tdma_param *, int);
254	/* node state management */
255	struct ieee80211_node*	(*ic_node_alloc)(struct ieee80211vap *,
256				    const uint8_t [IEEE80211_ADDR_LEN]);
257	void			(*ic_node_free)(struct ieee80211_node *);
258	void			(*ic_node_cleanup)(struct ieee80211_node *);
259	void			(*ic_node_age)(struct ieee80211_node *);
260	void			(*ic_node_drain)(struct ieee80211_node *);
261	int8_t			(*ic_node_getrssi)(const struct ieee80211_node*);
262	void			(*ic_node_getsignal)(const struct ieee80211_node*,
263				    int8_t *, int8_t *);
264	void			(*ic_node_getmimoinfo)(
265				    const struct ieee80211_node*,
266				    struct ieee80211_mimo_info *);
267	/* scanning support */
268	void			(*ic_scan_start)(struct ieee80211com *);
269	void			(*ic_scan_end)(struct ieee80211com *);
270	void			(*ic_set_channel)(struct ieee80211com *);
271	void			(*ic_scan_curchan)(struct ieee80211_scan_state *,
272				    unsigned long);
273	void			(*ic_scan_mindwell)(struct ieee80211_scan_state *);
274
275	/*
276	 * 802.11n ADDBA support.  A simple/generic implementation
277	 * of A-MPDU tx aggregation is provided; the driver may
278	 * override these methods to provide their own support.
279	 * A-MPDU rx re-ordering happens automatically if the
280	 * driver passes out-of-order frames to ieee80211_input
281	 * from an assocated HT station.
282	 */
283	void			(*ic_recv_action)(struct ieee80211_node *,
284				    const uint8_t *frm, const uint8_t *efrm);
285	int			(*ic_send_action)(struct ieee80211_node *,
286				    int category, int action,
287				    uint16_t args[4]);
288	/* check if A-MPDU should be enabled this station+ac */
289	int			(*ic_ampdu_enable)(struct ieee80211_node *,
290				    struct ieee80211_tx_ampdu *);
291	/* start/stop doing A-MPDU tx aggregation for a station */
292	int			(*ic_addba_request)(struct ieee80211_node *,
293				    struct ieee80211_tx_ampdu *,
294				    int dialogtoken, int baparamset,
295				    int batimeout);
296	int			(*ic_addba_response)(struct ieee80211_node *,
297				    struct ieee80211_tx_ampdu *,
298				    int status, int baparamset, int batimeout);
299	void			(*ic_addba_stop)(struct ieee80211_node *,
300				    struct ieee80211_tx_ampdu *);
301	/* BAR response received */
302	void			(*ic_bar_response)(struct ieee80211_node *,
303				    struct ieee80211_tx_ampdu *, int status);
304	/* start/stop doing A-MPDU rx processing for a station */
305	int			(*ic_ampdu_rx_start)(struct ieee80211_node *,
306				    struct ieee80211_rx_ampdu *, int baparamset,
307				    int batimeout, int baseqctl);
308	void			(*ic_ampdu_rx_stop)(struct ieee80211_node *,
309				    struct ieee80211_rx_ampdu *);
310};
311
312struct ieee80211_aclator;
313struct ieee80211_tdma_state;
314
315struct ieee80211vap {
316	struct ifmedia		iv_media;	/* interface media config */
317	struct ifnet		*iv_ifp;	/* associated device */
318	struct bpf_if		*iv_rawbpf;	/* packet filter structure */
319	struct sysctl_ctx_list	*iv_sysctl;	/* dynamic sysctl context */
320	struct sysctl_oid	*iv_oid;	/* net.wlan.X sysctl oid */
321
322	TAILQ_ENTRY(ieee80211vap) iv_next;	/* list of vap instances */
323	struct ieee80211com	*iv_ic;		/* back ptr to common state */
324	uint32_t		iv_debug;	/* debug msg flags */
325	struct ieee80211_stats	iv_stats;	/* statistics */
326
327	uint8_t			iv_myaddr[IEEE80211_ADDR_LEN];
328	uint32_t		iv_flags;	/* state flags */
329	uint32_t		iv_flags_ext;	/* extended state flags */
330	uint32_t		iv_flags_ven;	/* vendor state flags */
331	uint32_t		iv_caps;	/* capabilities */
332	uint32_t		iv_htcaps;	/* HT capabilities */
333	enum ieee80211_opmode	iv_opmode;	/* operation mode */
334	enum ieee80211_state	iv_state;	/* state machine state */
335	enum ieee80211_state	iv_nstate;	/* pending state */
336	int			iv_nstate_arg;	/* pending state arg */
337	struct task		iv_nstate_task;	/* deferred state processing */
338	struct task		iv_swbmiss_task;/* deferred iv_bmiss call */
339	struct callout		iv_mgtsend;	/* mgmt frame response timer */
340						/* inactivity timer settings */
341	int			iv_inact_init;	/* setting for new station */
342	int			iv_inact_auth;	/* auth but not assoc setting */
343	int			iv_inact_run;	/* authorized setting */
344	int			iv_inact_probe;	/* inactive probe time */
345
346	int			iv_des_nssid;	/* # desired ssids */
347	struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
348	uint8_t			iv_des_bssid[IEEE80211_ADDR_LEN];
349	struct ieee80211_channel *iv_des_chan;	/* desired channel */
350	uint16_t		iv_des_mode;	/* desired mode */
351	int			iv_nicknamelen;	/* XXX junk */
352	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
353	u_int			iv_bgscanidle;	/* bg scan idle threshold */
354	u_int			iv_bgscanintvl;	/* bg scan min interval */
355	u_int			iv_scanvalid;	/* scan cache valid threshold */
356	u_int			iv_scanreq_duration;
357	u_int			iv_scanreq_mindwell;
358	u_int			iv_scanreq_maxdwell;
359	uint16_t		iv_scanreq_flags;/* held scan request params */
360	uint8_t			iv_scanreq_nssid;
361	struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
362	/* sta-mode roaming state */
363	enum ieee80211_roamingmode iv_roaming;	/* roaming mode */
364	struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
365
366	uint8_t			iv_bmissthreshold;
367	uint8_t			iv_bmiss_count;	/* current beacon miss count */
368	int			iv_bmiss_max;	/* max bmiss before scan */
369	uint16_t		iv_swbmiss_count;/* beacons in last period */
370	uint16_t		iv_swbmiss_period;/* s/w bmiss period */
371	struct callout		iv_swbmiss;	/* s/w beacon miss timer */
372
373	int			iv_ampdu_rxmax;	/* A-MPDU rx limit (bytes) */
374	int			iv_ampdu_density;/* A-MPDU density */
375	int			iv_ampdu_limit;	/* A-MPDU tx limit (bytes) */
376	int			iv_amsdu_limit;	/* A-MSDU tx limit (bytes) */
377	u_int			iv_ampdu_mintraffic[WME_NUM_AC];
378
379	uint32_t		*iv_aid_bitmap;	/* association id map */
380	uint16_t		iv_max_aid;
381	uint16_t		iv_sta_assoc;	/* stations associated */
382	uint16_t		iv_ps_sta;	/* stations in power save */
383	uint16_t		iv_ps_pending;	/* ps sta's w/ pending frames */
384	uint16_t		iv_txseq;	/* mcast xmit seq# space */
385	uint16_t		iv_tim_len;	/* ic_tim_bitmap size (bytes) */
386	uint8_t			*iv_tim_bitmap;	/* power-save stations w/ data*/
387	uint8_t			iv_dtim_period;	/* DTIM period */
388	uint8_t			iv_dtim_count;	/* DTIM count from last bcn */
389						/* set/unset aid pwrsav state */
390	int			iv_csa_count;	/* count for doing CSA */
391
392	struct ieee80211_node	*iv_bss;	/* information for this node */
393	struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
394	uint16_t		iv_rtsthreshold;
395	uint16_t		iv_fragthreshold;
396	int			iv_inact_timer;	/* inactivity timer wait */
397	/* application-specified IE's to attach to mgt frames */
398	struct ieee80211_appie	*iv_appie_beacon;
399	struct ieee80211_appie	*iv_appie_probereq;
400	struct ieee80211_appie	*iv_appie_proberesp;
401	struct ieee80211_appie	*iv_appie_assocreq;
402	struct ieee80211_appie	*iv_appie_assocresp;
403	struct ieee80211_appie	*iv_appie_wpa;
404	uint8_t			*iv_wpa_ie;
405	uint8_t			*iv_rsn_ie;
406	uint16_t		iv_max_keyix;	/* max h/w key index */
407	ieee80211_keyix		iv_def_txkey;	/* default/group tx key index */
408	struct ieee80211_key	iv_nw_keys[IEEE80211_WEP_NKID];
409	int			(*iv_key_alloc)(struct ieee80211vap *,
410				    struct ieee80211_key *,
411				    ieee80211_keyix *, ieee80211_keyix *);
412	int			(*iv_key_delete)(struct ieee80211vap *,
413				    const struct ieee80211_key *);
414	int			(*iv_key_set)(struct ieee80211vap *,
415				    const struct ieee80211_key *,
416				    const uint8_t mac[IEEE80211_ADDR_LEN]);
417	void			(*iv_key_update_begin)(struct ieee80211vap *);
418	void			(*iv_key_update_end)(struct ieee80211vap *);
419
420	const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
421	void			*iv_ec;		/* private auth state */
422
423	const struct ieee80211_aclator *iv_acl;	/* acl glue */
424	void			*iv_as;		/* private aclator state */
425
426	struct ieee80211_tdma_state *iv_tdma;	/* tdma state */
427
428	/* operate-mode detach hook */
429	void			(*iv_opdetach)(struct ieee80211vap *);
430	/* receive processing */
431	int			(*iv_input)(struct ieee80211_node *,
432				    struct mbuf *, int, int);
433	void			(*iv_recv_mgmt)(struct ieee80211_node *,
434				    struct mbuf *, int, int, int);
435	void			(*iv_recv_ctl)(struct ieee80211_node *,
436				    struct mbuf *, int);
437	void			(*iv_deliver_data)(struct ieee80211vap *,
438				    struct ieee80211_node *, struct mbuf *);
439#if 0
440	/* send processing */
441	int			(*iv_send_mgmt)(struct ieee80211_node *,
442				     int, int);
443#endif
444	/* beacon miss processing */
445	void			(*iv_bmiss)(struct ieee80211vap *);
446	/* reset device state after 802.11 parameter/state change */
447	int			(*iv_reset)(struct ieee80211vap *, u_long);
448	/* [schedule] beacon frame update */
449	void			(*iv_update_beacon)(struct ieee80211vap *, int);
450	/* power save handling */
451	void			(*iv_update_ps)(struct ieee80211vap *, int);
452	int			(*iv_set_tim)(struct ieee80211_node *, int);
453	/* state machine processing */
454	int			(*iv_newstate)(struct ieee80211vap *,
455				    enum ieee80211_state, int);
456	/* 802.3 output method for raw frame xmit */
457	int			(*iv_output)(struct ifnet *, struct mbuf *,
458				    struct sockaddr *, struct route *);
459};
460MALLOC_DECLARE(M_80211_VAP);
461
462#define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
463#define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
464
465/* ic_flags/iv_flags */
466#define	IEEE80211_F_TURBOP	0x00000001	/* CONF: ATH Turbo enabled*/
467#define	IEEE80211_F_COMP	0x00000002	/* CONF: ATH comp enabled */
468#define	IEEE80211_F_FF		0x00000004	/* CONF: ATH FF enabled */
469#define	IEEE80211_F_BURST	0x00000008	/* CONF: bursting enabled */
470/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
471#define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
472#define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
473#define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
474#define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
475#define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
476/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
477#define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
478#define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
479#define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
480#define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
481#define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
482#define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
483#define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
484#define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
485#define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
486#define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
487#define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
488#define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
489#define	IEEE80211_F_CSAPENDING	0x00400000	/* STATUS: chan switch pending*/
490#define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
491#define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
492#define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
493#define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
494#define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
495#define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
496#define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
497#define	IEEE80211_F_PCF		0x20000000	/* CONF: PCF enabled */
498#define	IEEE80211_F_DOTH	0x40000000	/* CONF: 11h enabled */
499#define	IEEE80211_F_DWDS	0x80000000	/* CONF: Dynamic WDS enabled */
500
501#define	IEEE80211_F_BITS \
502	"\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
503	"\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
504	"\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
505	"\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
506	"\37DOTH\40DWDS"
507
508/* Atheros protocol-specific flags */
509#define	IEEE80211_F_ATHEROS \
510	(IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
511/* Check if an Atheros capability was negotiated for use */
512#define	IEEE80211_ATH_CAP(vap, ni, bit) \
513	((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
514
515/* ic_flags_ext/iv_flags_ext */
516#define	IEEE80211_FEXT_NONHT_PR	 0x00000001	/* STATUS: non-HT sta present */
517#define	IEEE80211_FEXT_INACT	 0x00000002	/* CONF: sta inact handling */
518#define	IEEE80211_FEXT_SCANWAIT	 0x00000004	/* STATUS: awaiting scan */
519/* 0x00000006 reserved */
520#define	IEEE80211_FEXT_BGSCAN	 0x00000008	/* STATUS: complete bgscan */
521#define	IEEE80211_FEXT_WPS	 0x00000010	/* CONF: WPS enabled */
522#define	IEEE80211_FEXT_TSN 	 0x00000020	/* CONF: TSN enabled */
523#define	IEEE80211_FEXT_SCANREQ	 0x00000040	/* STATUS: scan req params */
524#define	IEEE80211_FEXT_RESUME	 0x00000080	/* STATUS: start on resume */
525#define	IEEE80211_FEXT_4ADDR	 0x00000100	/* CONF: apply 4-addr encap */
526#define	IEEE80211_FEXT_NONERP_PR 0x00000200	/* STATUS: non-ERP sta present*/
527#define	IEEE80211_FEXT_SWBMISS	 0x00000400	/* CONF: do bmiss in s/w */
528#define	IEEE80211_FEXT_DFS	 0x00000800	/* CONF: DFS enabled */
529#define	IEEE80211_FEXT_DOTD	 0x00001000	/* CONF: 11d enabled */
530#define	IEEE80211_FEXT_STATEWAIT 0x00002000	/* STATUS: awaiting state chg */
531#define	IEEE80211_FEXT_REINIT	 0x00004000	/* STATUS: INIT state first */
532#define	IEEE80211_FEXT_BPF	 0x00008000	/* STATUS: BPF tap present */
533/* NB: immutable: should be set only when creating a vap */
534#define	IEEE80211_FEXT_WDSLEGACY 0x00010000	/* CONF: legacy WDS operation */
535#define	IEEE80211_FEXT_PROBECHAN 0x00020000	/* CONF: probe passive channel*/
536#define	IEEE80211_FEXT_HT	 0x00080000	/* CONF: HT supported */
537#define	IEEE80211_FEXT_AMPDU_TX	 0x00100000	/* CONF: A-MPDU tx supported */
538#define	IEEE80211_FEXT_AMPDU_RX	 0x00200000	/* CONF: A-MPDU tx supported */
539#define	IEEE80211_FEXT_AMSDU_TX	 0x00400000	/* CONF: A-MSDU tx supported */
540#define	IEEE80211_FEXT_AMSDU_RX	 0x00800000	/* CONF: A-MSDU tx supported */
541#define	IEEE80211_FEXT_USEHT40	 0x01000000	/* CONF: 20/40 use enabled */
542#define	IEEE80211_FEXT_PUREN	 0x02000000	/* CONF: 11n w/o legacy sta's */
543#define	IEEE80211_FEXT_SHORTGI20 0x04000000	/* CONF: short GI in HT20 */
544#define	IEEE80211_FEXT_SHORTGI40 0x08000000	/* CONF: short GI in HT40 */
545#define	IEEE80211_FEXT_HTCOMPAT  0x10000000	/* CONF: HT vendor OUI's */
546#define	IEEE80211_FEXT_RIFS  	 0x20000000	/* CONF: RIFS enabled */
547
548#define	IEEE80211_FEXT_BITS \
549	"\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
550	"\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
551	"\20BPF\21WDSLEGACY\22PROBECHAN\24HT\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX" \
552	"\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40\35HTCOMPAT" \
553	"\36RIFS"
554
555#define	IEEE80211_FVEN_BITS	"\20"
556
557/* ic_caps/iv_caps: device driver capabilities */
558/* 0x2e available */
559#define	IEEE80211_C_STA		0x00000001	/* CAPABILITY: STA available */
560#define	IEEE80211_C_8023ENCAP	0x00000002	/* CAPABILITY: 802.3 encap */
561#define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
562#define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
563#define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
564#define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
565#define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
566#define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
567#define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
568#define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
569#define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
570#define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
571#define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
572#define	IEEE80211_C_DFS		0x00020000	/* CAPABILITY: DFS/radar avail*/
573/* 0x7c0000 available */
574#define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
575#define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
576#define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
577#define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
578#define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
579#define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
580/* 0x10000000 reserved */
581#define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
582#define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
583#define	IEEE80211_C_TDMA	0x80000000	/* CAPABILITY: TDMA avail */
584/* XXX protection/barker? */
585
586#define	IEEE80211_C_OPMODE \
587	(IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
588	 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
589	 IEEE80211_C_TDMA)
590
591#define	IEEE80211_C_BITS \
592	"\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
593	"\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
594	"\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
595	"\37TXFRAG\40TDMA"
596
597/*
598 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
599 *
600 * NB: the low 16-bits are the 802.11 definitions, the upper
601 *     16-bits are used to define s/w/driver capabilities.
602 */
603#define	IEEE80211_HTC_AMPDU	0x00010000	/* CAPABILITY: A-MPDU tx */
604#define	IEEE80211_HTC_AMSDU	0x00020000	/* CAPABILITY: A-MSDU tx */
605/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
606#define	IEEE80211_HTC_HT	0x00040000	/* CAPABILITY: HT operation */
607#define	IEEE80211_HTC_SMPS	0x00080000	/* CAPABILITY: MIMO power save*/
608#define	IEEE80211_HTC_RIFS	0x00100000	/* CAPABILITY: RIFS support */
609
610#define	IEEE80211_C_HTCAP_BITS \
611	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
612	"\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
613
614void	ieee80211_ifattach(struct ieee80211com *,
615		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
616void	ieee80211_ifdetach(struct ieee80211com *);
617int	ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
618		const char name[IFNAMSIZ], int unit, int opmode, int flags,
619		const uint8_t bssid[IEEE80211_ADDR_LEN],
620		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
621int	ieee80211_vap_attach(struct ieee80211vap *,
622		ifm_change_cb_t, ifm_stat_cb_t);
623void	ieee80211_vap_detach(struct ieee80211vap *);
624const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
625		const struct ieee80211_channel *);
626void	ieee80211_announce(struct ieee80211com *);
627void	ieee80211_announce_channels(struct ieee80211com *);
628void	ieee80211_drain(struct ieee80211com *);
629void	ieee80211_media_init(struct ieee80211com *);
630struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
631int	ieee80211_media_change(struct ifnet *);
632void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
633int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
634int	ieee80211_rate2media(struct ieee80211com *, int,
635		enum ieee80211_phymode);
636int	ieee80211_media2rate(int);
637int	ieee80211_mhz2ieee(u_int, u_int);
638int	ieee80211_chan2ieee(struct ieee80211com *,
639		const struct ieee80211_channel *);
640u_int	ieee80211_ieee2mhz(u_int, u_int);
641struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
642		int freq, int flags);
643struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
644		int ieee, int flags);
645int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
646enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
647
648void	ieee80211_radiotap_attach(struct ieee80211com *,
649	    struct ieee80211_radiotap_header *th, int tlen,
650		uint32_t tx_radiotap,
651	    struct ieee80211_radiotap_header *rh, int rlen,
652		uint32_t rx_radiotap);
653void	ieee80211_radiotap_detach(struct ieee80211com *);
654void	ieee80211_radiotap_vattach(struct ieee80211vap *);
655void	ieee80211_radiotap_vdetach(struct ieee80211vap *);
656void	ieee80211_radiotap_chan_change(struct ieee80211com *);
657void	ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
658void	ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
659void	ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
660
661static __inline int
662ieee80211_radiotap_active(const struct ieee80211com *ic)
663{
664	return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
665}
666
667static __inline int
668ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
669{
670	return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) != 0;
671}
672
673/*
674 * Enqueue a task on the state thread.
675 */
676static __inline void
677ieee80211_runtask(struct ieee80211com *ic, struct task *task)
678{
679	taskqueue_enqueue(ic->ic_tq, task);
680}
681
682/*
683 * Wait for a queued task to complete.
684 */
685static __inline void
686ieee80211_draintask(struct ieee80211com *ic, struct task *task)
687{
688	taskqueue_drain(ic->ic_tq, task);
689}
690
691/*
692 * Key update synchronization methods.  XXX should not be visible.
693 */
694static __inline void
695ieee80211_key_update_begin(struct ieee80211vap *vap)
696{
697	vap->iv_key_update_begin(vap);
698}
699static __inline void
700ieee80211_key_update_end(struct ieee80211vap *vap)
701{
702	vap->iv_key_update_end(vap);
703}
704
705/*
706 * XXX these need to be here for IEEE80211_F_DATAPAD
707 */
708
709/*
710 * Return the space occupied by the 802.11 header and any
711 * padding required by the driver.  This works for a
712 * management or data frame.
713 */
714static __inline int
715ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
716{
717	int size = ieee80211_hdrsize(data);
718	if (ic->ic_flags & IEEE80211_F_DATAPAD)
719		size = roundup(size, sizeof(uint32_t));
720	return size;
721}
722
723/*
724 * Like ieee80211_hdrspace, but handles any type of frame.
725 */
726static __inline int
727ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
728{
729	int size = ieee80211_anyhdrsize(data);
730	if (ic->ic_flags & IEEE80211_F_DATAPAD)
731		size = roundup(size, sizeof(uint32_t));
732	return size;
733}
734
735/*
736 * Notify a vap that beacon state has been updated.
737 */
738static __inline void
739ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
740{
741	if (vap->iv_state == IEEE80211_S_RUN)
742		vap->iv_update_beacon(vap, what);
743}
744
745/*
746 * Calculate HT channel promotion flags for a channel.
747 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_*
748 */
749static __inline int
750ieee80211_htchanflags(const struct ieee80211_channel *c)
751{
752	return IEEE80211_IS_CHAN_HT40(c) ?
753	    IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 :
754	    IEEE80211_IS_CHAN_HT(c) ?  IEEE80211_FEXT_HT : 0;
755}
756
757/*
758 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
759 *
760 * The intent is that any problem in the net80211 layer can be
761 * diagnosed by inspecting the statistics (dumped by the wlanstats
762 * program) and/or the msgs generated by net80211.  Messages are
763 * broken into functional classes and can be controlled with the
764 * wlandebug program.  Certain of these msg groups are for facilities
765 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
766 */
767#define	IEEE80211_MSG_11N	0x80000000	/* 11n mode debug */
768#define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
769#define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
770#define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
771#define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
772#define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
773#define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
774#define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
775#define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
776#define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
777#define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
778#define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
779#define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
780#define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
781#define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
782#define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
783#define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
784#define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
785#define	IEEE80211_MSG_MESH	0x00002000	/* mesh networking */
786#define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
787#define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
788#define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
789#define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
790#define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
791#define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
792#define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
793#define	IEEE80211_MSG_RATECTL	0x00000020	/* tx rate control */
794#define	IEEE80211_MSG_ACTION	0x00000010	/* action frame handling */
795#define	IEEE80211_MSG_WDS	0x00000008	/* WDS handling */
796#define	IEEE80211_MSG_IOCTL	0x00000004	/* ioctl handling */
797#define	IEEE80211_MSG_TDMA	0x00000002	/* TDMA handling */
798
799#define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
800
801#define	IEEE80211_MSG_BITS \
802	"\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
803	"\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
804	"\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
805	"\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
806
807#ifdef IEEE80211_DEBUG
808#define	ieee80211_msg(_vap, _m)	((_vap)->iv_debug & (_m))
809#define	IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do {			\
810	if (ieee80211_msg(_vap, _m))					\
811		ieee80211_note(_vap, _fmt, __VA_ARGS__);		\
812} while (0)
813#define	IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do {			\
814	if (ieee80211_msg(_vap, _m))					\
815		ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
816} while (0)
817#define	IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do {		\
818	if (ieee80211_msg(_vap, _m))					\
819		ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__);	\
820} while (0)
821#define	IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do {		\
822	if (ieee80211_msg(_vap, _m))					\
823		ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__);	\
824} while (0)
825void	ieee80211_note(struct ieee80211vap *, const char *, ...);
826void	ieee80211_note_mac(struct ieee80211vap *,
827		const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
828void	ieee80211_note_frame(struct ieee80211vap *,
829		const struct ieee80211_frame *, const char *, ...);
830#define	ieee80211_msg_debug(_vap) \
831	((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
832#define	ieee80211_msg_dumppkts(_vap) \
833	((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
834#define	ieee80211_msg_input(_vap) \
835	((_vap)->iv_debug & IEEE80211_MSG_INPUT)
836#define	ieee80211_msg_radius(_vap) \
837	((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
838#define	ieee80211_msg_dumpradius(_vap) \
839	((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
840#define	ieee80211_msg_dumpradkeys(_vap) \
841	((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
842#define	ieee80211_msg_scan(_vap) \
843	((_vap)->iv_debug & IEEE80211_MSG_SCAN)
844#define	ieee80211_msg_assoc(_vap) \
845	((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
846
847/*
848 * Emit a debug message about discarding a frame or information
849 * element.  One format is for extracting the mac address from
850 * the frame header; the other is for when a header is not
851 * available or otherwise appropriate.
852 */
853#define	IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do {		\
854	if ((_vap)->iv_debug & (_m))					\
855		ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
856} while (0)
857#define	IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do {	\
858	if ((_vap)->iv_debug & (_m))					\
859		ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
860} while (0)
861#define	IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do {	\
862	if ((_vap)->iv_debug & (_m))					\
863		ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
864} while (0)
865
866void ieee80211_discard_frame(struct ieee80211vap *,
867	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
868void ieee80211_discard_ie(struct ieee80211vap *,
869	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
870void ieee80211_discard_mac(struct ieee80211vap *,
871	const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
872	const char *fmt, ...);
873#else
874#define	IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
875#define	IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
876#define	IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
877#define	IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
878#define	ieee80211_msg_dumppkts(_vap)	0
879#define	ieee80211_msg(_vap, _m)		0
880
881#define	IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
882#define	IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
883#define	IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
884#endif
885
886#endif /* _NET80211_IEEE80211_VAR_H_ */
887