ieee80211_var.h revision 191552
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 191552 2009-04-26 22:54:51Z 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_scan.h>
55
56#define	IEEE80211_TXPOWER_MAX	100	/* .5 dbM (XXX units?) */
57#define	IEEE80211_TXPOWER_MIN	0	/* kill radio */
58
59#define	IEEE80211_DTIM_DEFAULT	1	/* default DTIM period */
60#define	IEEE80211_BINTVAL_DEFAULT 100	/* default beacon interval (TU's) */
61
62#define	IEEE80211_BMISS_MAX	2	/* maximum consecutive bmiss allowed */
63#define	IEEE80211_HWBMISS_DEFAULT 7	/* h/w bmiss threshold (beacons) */
64
65#define	IEEE80211_BGSCAN_INTVAL_MIN	15	/* min bg scan intvl (secs) */
66#define	IEEE80211_BGSCAN_INTVAL_DEFAULT	(5*60)	/* default bg scan intvl */
67
68#define	IEEE80211_BGSCAN_IDLE_MIN	100	/* min idle time (ms) */
69#define	IEEE80211_BGSCAN_IDLE_DEFAULT	250	/* default idle time (ms) */
70
71#define	IEEE80211_SCAN_VALID_MIN	10	/* min scan valid time (secs) */
72#define	IEEE80211_SCAN_VALID_DEFAULT	60	/* default scan valid time */
73
74#define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
75#define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
76
77#define	IEEE80211_FIXED_RATE_NONE	0xff
78#define	IEEE80211_TXMAX_DEFAULT		6	/* default ucast max retries */
79
80#define	IEEE80211_RTS_DEFAULT		IEEE80211_RTS_MAX
81#define	IEEE80211_FRAG_DEFAULT		IEEE80211_FRAG_MAX
82
83#define	IEEE80211_MS_TO_TU(x)	(((x) * 1000) / 1024)
84#define	IEEE80211_TU_TO_MS(x)	(((x) * 1024) / 1000)
85#define	IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
86
87/*
88 * 802.11 control state is split into a common portion that maps
89 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
90 * that are bound to an ieee80211com instance and share a single
91 * underlying device.  Each VAP has a corresponding OS device
92 * entity through which traffic flows and that applications use
93 * for issuing ioctls, etc.
94 */
95
96/*
97 * Data common to one or more virtual AP's.  State shared by
98 * the underlying device and the net80211 layer is exposed here;
99 * e.g. device-specific callbacks.
100 */
101struct ieee80211vap;
102typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
103
104struct ieee80211_appie {
105	uint16_t		ie_len;		/* size of ie_data */
106	uint8_t			ie_data[];	/* user-specified IE's */
107};
108
109struct ieee80211_tdma_param;
110struct ieee80211_rate_table;
111
112struct ieee80211_stageq {
113	struct mbuf		*head;		/* frames linked w/ m_nextpkt */
114	struct mbuf		*tail;		/* last frame in queue */
115	int			depth;		/* # items on head */
116};
117
118struct ieee80211com {
119	struct ifnet		*ic_ifp;	/* associated device */
120	ieee80211_com_lock_t	ic_comlock;	/* state update lock */
121	TAILQ_HEAD(, ieee80211vap) ic_vaps;	/* list of vap instances */
122	int			ic_headroom;	/* driver tx headroom needs */
123	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
124	enum ieee80211_opmode	ic_opmode;	/* operation mode */
125	struct ifmedia		ic_media;	/* interface media config */
126	struct callout		ic_inact;	/* inactivity processing */
127	struct task		ic_parent_task;	/* deferred parent processing */
128
129	uint32_t		ic_flags;	/* state flags */
130	uint32_t		ic_flags_ext;	/* extended state flags */
131	uint32_t		ic_flags_ven;	/* vendor state flags */
132	uint32_t		ic_caps;	/* capabilities */
133	uint32_t		ic_htcaps;	/* HT capabilities */
134	uint32_t		ic_cryptocaps;	/* crypto capabilities */
135	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
136	uint8_t			ic_promisc;	/* vap's needing promisc mode */
137	uint8_t			ic_allmulti;	/* vap's needing all multicast*/
138	uint8_t			ic_nrunning;	/* vap's marked running */
139	uint8_t			ic_curmode;	/* current mode */
140	uint16_t		ic_bintval;	/* beacon interval */
141	uint16_t		ic_lintval;	/* listen interval */
142	uint16_t		ic_holdover;	/* PM hold over duration */
143	uint16_t		ic_txpowlimit;	/* global tx power limit */
144	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
145
146	/*
147	 * Channel state:
148	 *
149	 * ic_channels is the set of available channels for the device;
150	 *    it is setup by the driver
151	 * ic_nchans is the number of valid entries in ic_channels
152	 * ic_chan_avail is a bit vector of these channels used to check
153	 *    whether a channel is available w/o searching the channel table.
154	 * ic_chan_active is a (potentially) constrained subset of
155	 *    ic_chan_avail that reflects any mode setting or user-specified
156	 *    limit on the set of channels to use/scan
157	 * ic_curchan is the current channel the device is set to; it may
158	 *    be different from ic_bsschan when we are off-channel scanning
159	 *    or otherwise doing background work
160	 * ic_bsschan is the channel selected for operation; it may
161	 *    be undefined (IEEE80211_CHAN_ANYC)
162	 * ic_prevchan is a cached ``previous channel'' used to optimize
163	 *    lookups when switching back+forth between two channels
164	 *    (e.g. for dynamic turbo)
165	 */
166	int			ic_nchans;	/* # entries in ic_channels */
167	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
168	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
169	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
170	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
171	struct ieee80211_channel *ic_curchan;	/* current channel */
172	const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
173	struct ieee80211_channel *ic_bsschan;	/* bss channel */
174	struct ieee80211_channel *ic_prevchan;	/* previous channel */
175	struct ieee80211_regdomain ic_regdomain;/* regulatory data */
176	struct ieee80211_appie	*ic_countryie;	/* calculated country ie */
177	struct ieee80211_channel *ic_countryie_chan;
178
179	/* 802.11h/DFS state */
180	struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
181	int			ic_csa_count;	/* count for doing CSA */
182	struct ieee80211_dfs_state ic_dfs;	/* DFS state */
183
184	struct ieee80211_scan_state *ic_scan;	/* scan state */
185	int			ic_lastdata;	/* time of last data frame */
186	int			ic_lastscan;	/* time last scan completed */
187
188	/* NB: this is the union of all vap stations/neighbors */
189	int			ic_max_keyix;	/* max h/w key index */
190	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
191
192	/* XXX multi-bss: split out common/vap parts */
193	struct ieee80211_wme_state ic_wme;	/* WME/WMM state */
194
195	/* XXX multi-bss: can per-vap be done/make sense? */
196	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
197	uint16_t		ic_nonerpsta;	/* # non-ERP stations */
198	uint16_t		ic_longslotsta;	/* # long slot time stations */
199	uint16_t		ic_sta_assoc;	/* stations associated */
200	uint16_t		ic_ht_sta_assoc;/* HT stations associated */
201	uint16_t		ic_ht40_sta_assoc;/* HT40 stations associated */
202	uint8_t			ic_curhtprotmode;/* HTINFO bss state */
203	enum ieee80211_protmode	ic_htprotmode;	/* HT protection mode */
204	int			ic_lastnonerp;	/* last time non-ERP sta noted*/
205	int			ic_lastnonht;	/* last time non-HT sta noted */
206
207	/* fast-frames staging q */
208	struct ieee80211_stageq	ic_ff_stageq[WME_NUM_AC];
209	int			ic_stageqdepth;	/* cumulative depth */
210
211	/* virtual ap create/delete */
212	struct ieee80211vap*	(*ic_vap_create)(struct ieee80211com *,
213				    const char name[IFNAMSIZ], int unit,
214				    int opmode, int flags,
215				    const uint8_t bssid[IEEE80211_ADDR_LEN],
216				    const uint8_t macaddr[IEEE80211_ADDR_LEN]);
217	void			(*ic_vap_delete)(struct ieee80211vap *);
218	/* operating mode attachment */
219	ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
220	/* return hardware/radio capabilities */
221	void			(*ic_getradiocaps)(struct ieee80211com *,
222				    int, int *, struct ieee80211_channel []);
223	/* check and/or prepare regdomain state change */
224	int			(*ic_setregdomain)(struct ieee80211com *,
225				    struct ieee80211_regdomain *,
226				    int, struct ieee80211_channel []);
227	/* send/recv 802.11 management frame */
228	int			(*ic_send_mgmt)(struct ieee80211_node *,
229				     int, int);
230	/* send raw 802.11 frame */
231	int			(*ic_raw_xmit)(struct ieee80211_node *,
232				    struct mbuf *,
233				    const struct ieee80211_bpf_params *);
234	/* update device state for 802.11 slot time change */
235	void			(*ic_updateslot)(struct ifnet *);
236	/* handle multicast state changes */
237	void			(*ic_update_mcast)(struct ifnet *);
238	/* handle promiscuous mode changes */
239	void			(*ic_update_promisc)(struct ifnet *);
240	/* new station association callback/notification */
241	void			(*ic_newassoc)(struct ieee80211_node *, int);
242	/* TDMA update notification */
243	void			(*ic_tdma_update)(struct ieee80211_node *,
244				    const struct ieee80211_tdma_param *, int);
245	/* node state management */
246	struct ieee80211_node*	(*ic_node_alloc)(struct ieee80211vap *,
247				    const uint8_t [IEEE80211_ADDR_LEN]);
248	void			(*ic_node_free)(struct ieee80211_node *);
249	void			(*ic_node_cleanup)(struct ieee80211_node *);
250	void			(*ic_node_age)(struct ieee80211_node *);
251	void			(*ic_node_drain)(struct ieee80211_node *);
252	int8_t			(*ic_node_getrssi)(const struct ieee80211_node*);
253	void			(*ic_node_getsignal)(const struct ieee80211_node*,
254				    int8_t *, int8_t *);
255	void			(*ic_node_getmimoinfo)(
256				    const struct ieee80211_node*,
257				    struct ieee80211_mimo_info *);
258	/* scanning support */
259	void			(*ic_scan_start)(struct ieee80211com *);
260	void			(*ic_scan_end)(struct ieee80211com *);
261	void			(*ic_set_channel)(struct ieee80211com *);
262	void			(*ic_scan_curchan)(struct ieee80211_scan_state *,
263				    unsigned long);
264	void			(*ic_scan_mindwell)(struct ieee80211_scan_state *);
265
266	/*
267	 * 802.11n ADDBA support.  A simple/generic implementation
268	 * of A-MPDU tx aggregation is provided; the driver may
269	 * override these methods to provide their own support.
270	 * A-MPDU rx re-ordering happens automatically if the
271	 * driver passes out-of-order frames to ieee80211_input
272	 * from an assocated HT station.
273	 */
274	void			(*ic_recv_action)(struct ieee80211_node *,
275				    const uint8_t *frm, const uint8_t *efrm);
276	int			(*ic_send_action)(struct ieee80211_node *,
277				    int category, int action,
278				    uint16_t args[4]);
279	/* check if A-MPDU should be enabled this station+ac */
280	int			(*ic_ampdu_enable)(struct ieee80211_node *,
281				    struct ieee80211_tx_ampdu *);
282	/* start/stop doing A-MPDU tx aggregation for a station */
283	int			(*ic_addba_request)(struct ieee80211_node *,
284				    struct ieee80211_tx_ampdu *,
285				    int dialogtoken, int baparamset,
286				    int batimeout);
287	int			(*ic_addba_response)(struct ieee80211_node *,
288				    struct ieee80211_tx_ampdu *,
289				    int status, int baparamset, int batimeout);
290	void			(*ic_addba_stop)(struct ieee80211_node *,
291				    struct ieee80211_tx_ampdu *);
292	/* BAR response received */
293	void			(*ic_bar_response)(struct ieee80211_node *,
294				    struct ieee80211_tx_ampdu *, int status);
295	/* start/stop doing A-MPDU rx processing for a station */
296	int			(*ic_ampdu_rx_start)(struct ieee80211_node *,
297				    struct ieee80211_rx_ampdu *, int baparamset,
298				    int batimeout, int baseqctl);
299	void			(*ic_ampdu_rx_stop)(struct ieee80211_node *,
300				    struct ieee80211_rx_ampdu *);
301};
302
303struct ieee80211_aclator;
304struct ieee80211_tdma_state;
305
306struct ieee80211vap {
307	struct ifmedia		iv_media;	/* interface media config */
308	struct ifnet		*iv_ifp;	/* associated device */
309	struct bpf_if		*iv_rawbpf;	/* packet filter structure */
310	struct sysctl_ctx_list	*iv_sysctl;	/* dynamic sysctl context */
311	struct sysctl_oid	*iv_oid;	/* net.wlan.X sysctl oid */
312
313	TAILQ_ENTRY(ieee80211vap) iv_next;	/* list of vap instances */
314	struct ieee80211com	*iv_ic;		/* back ptr to common state */
315	uint32_t		iv_debug;	/* debug msg flags */
316	struct ieee80211_stats	iv_stats;	/* statistics */
317
318	uint8_t			iv_myaddr[IEEE80211_ADDR_LEN];
319	uint32_t		iv_flags;	/* state flags */
320	uint32_t		iv_flags_ext;	/* extended state flags */
321	uint32_t		iv_flags_ven;	/* vendor state flags */
322	uint32_t		iv_caps;	/* capabilities */
323	uint32_t		iv_htcaps;	/* HT capabilities */
324	enum ieee80211_opmode	iv_opmode;	/* operation mode */
325	enum ieee80211_state	iv_state;	/* state machine state */
326	void			(*iv_newstate_cb)(struct ieee80211vap *,
327				    enum ieee80211_state, int);
328	struct callout		iv_mgtsend;	/* mgmt frame response timer */
329						/* inactivity timer settings */
330	int			iv_inact_init;	/* setting for new station */
331	int			iv_inact_auth;	/* auth but not assoc setting */
332	int			iv_inact_run;	/* authorized setting */
333	int			iv_inact_probe;	/* inactive probe time */
334
335	int			iv_des_nssid;	/* # desired ssids */
336	struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
337	uint8_t			iv_des_bssid[IEEE80211_ADDR_LEN];
338	struct ieee80211_channel *iv_des_chan;	/* desired channel */
339	uint16_t		iv_des_mode;	/* desired mode */
340	int			iv_nicknamelen;	/* XXX junk */
341	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
342	u_int			iv_bgscanidle;	/* bg scan idle threshold */
343	u_int			iv_bgscanintvl;	/* bg scan min interval */
344	u_int			iv_scanvalid;	/* scan cache valid threshold */
345	u_int			iv_scanreq_duration;
346	u_int			iv_scanreq_mindwell;
347	u_int			iv_scanreq_maxdwell;
348	uint16_t		iv_scanreq_flags;/* held scan request params */
349	uint8_t			iv_scanreq_nssid;
350	struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
351	/* sta-mode roaming state */
352	enum ieee80211_roamingmode iv_roaming;	/* roaming mode */
353	struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
354
355	uint8_t			iv_bmissthreshold;
356	uint8_t			iv_bmiss_count;	/* current beacon miss count */
357	int			iv_bmiss_max;	/* max bmiss before scan */
358	uint16_t		iv_swbmiss_count;/* beacons in last period */
359	uint16_t		iv_swbmiss_period;/* s/w bmiss period */
360	struct callout		iv_swbmiss;	/* s/w beacon miss timer */
361
362	int			iv_ampdu_rxmax;	/* A-MPDU rx limit (bytes) */
363	int			iv_ampdu_density;/* A-MPDU density */
364	int			iv_ampdu_limit;	/* A-MPDU tx limit (bytes) */
365	int			iv_amsdu_limit;	/* A-MSDU tx limit (bytes) */
366	u_int			iv_ampdu_mintraffic[WME_NUM_AC];
367
368	uint32_t		*iv_aid_bitmap;	/* association id map */
369	uint16_t		iv_max_aid;
370	uint16_t		iv_sta_assoc;	/* stations associated */
371	uint16_t		iv_ps_sta;	/* stations in power save */
372	uint16_t		iv_ps_pending;	/* ps sta's w/ pending frames */
373	uint16_t		iv_txseq;	/* mcast xmit seq# space */
374	uint16_t		iv_tim_len;	/* ic_tim_bitmap size (bytes) */
375	uint8_t			*iv_tim_bitmap;	/* power-save stations w/ data*/
376	uint8_t			iv_dtim_period;	/* DTIM period */
377	uint8_t			iv_dtim_count;	/* DTIM count from last bcn */
378						/* set/unset aid pwrsav state */
379	int			iv_csa_count;	/* count for doing CSA */
380
381	struct ieee80211_node	*iv_bss;	/* information for this node */
382	struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
383	uint16_t		iv_rtsthreshold;
384	uint16_t		iv_fragthreshold;
385	int			iv_inact_timer;	/* inactivity timer wait */
386	/* application-specified IE's to attach to mgt frames */
387	struct ieee80211_appie	*iv_appie_beacon;
388	struct ieee80211_appie	*iv_appie_probereq;
389	struct ieee80211_appie	*iv_appie_proberesp;
390	struct ieee80211_appie	*iv_appie_assocreq;
391	struct ieee80211_appie	*iv_appie_assocresp;
392	struct ieee80211_appie	*iv_appie_wpa;
393	uint8_t			*iv_wpa_ie;
394	uint8_t			*iv_rsn_ie;
395	uint16_t		iv_max_keyix;	/* max h/w key index */
396	ieee80211_keyix		iv_def_txkey;	/* default/group tx key index */
397	struct ieee80211_key	iv_nw_keys[IEEE80211_WEP_NKID];
398	int			(*iv_key_alloc)(struct ieee80211vap *,
399				    struct ieee80211_key *,
400				    ieee80211_keyix *, ieee80211_keyix *);
401	int			(*iv_key_delete)(struct ieee80211vap *,
402				    const struct ieee80211_key *);
403	int			(*iv_key_set)(struct ieee80211vap *,
404				    const struct ieee80211_key *,
405				    const uint8_t mac[IEEE80211_ADDR_LEN]);
406	void			(*iv_key_update_begin)(struct ieee80211vap *);
407	void			(*iv_key_update_end)(struct ieee80211vap *);
408
409	const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
410	void			*iv_ec;		/* private auth state */
411
412	const struct ieee80211_aclator *iv_acl;	/* acl glue */
413	void			*iv_as;		/* private aclator state */
414
415	struct ieee80211_tdma_state *iv_tdma;	/* tdma state */
416
417	/* operate-mode detach hook */
418	void			(*iv_opdetach)(struct ieee80211vap *);
419	/* receive processing */
420	int			(*iv_input)(struct ieee80211_node *,
421				    struct mbuf *, int rssi, int noise,
422				    uint32_t rstamp);
423	void			(*iv_recv_mgmt)(struct ieee80211_node *,
424				    struct mbuf *, int, int, int, uint32_t);
425	void			(*iv_recv_ctl)(struct ieee80211_node *,
426				    struct mbuf *, int);
427	void			(*iv_deliver_data)(struct ieee80211vap *,
428				    struct ieee80211_node *, struct mbuf *);
429#if 0
430	/* send processing */
431	int			(*iv_send_mgmt)(struct ieee80211_node *,
432				     int, int);
433#endif
434	/* beacon miss processing */
435	void			(*iv_bmiss)(struct ieee80211vap *);
436	/* reset device state after 802.11 parameter/state change */
437	int			(*iv_reset)(struct ieee80211vap *, u_long);
438	/* [schedule] beacon frame update */
439	void			(*iv_update_beacon)(struct ieee80211vap *, int);
440	/* power save handling */
441	void			(*iv_update_ps)(struct ieee80211vap *, int);
442	int			(*iv_set_tim)(struct ieee80211_node *, int);
443	/* state machine processing */
444	int			(*iv_newstate)(struct ieee80211vap *,
445				    enum ieee80211_state, int);
446	/* 802.3 output method for raw frame xmit */
447	int			(*iv_output)(struct ifnet *, struct mbuf *,
448				    struct sockaddr *, struct route *);
449};
450MALLOC_DECLARE(M_80211_VAP);
451
452#define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
453#define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
454
455/* ic_flags/iv_flags */
456#define	IEEE80211_F_TURBOP	0x00000001	/* CONF: ATH Turbo enabled*/
457#define	IEEE80211_F_COMP	0x00000002	/* CONF: ATH comp enabled */
458#define	IEEE80211_F_FF		0x00000004	/* CONF: ATH FF enabled */
459#define	IEEE80211_F_BURST	0x00000008	/* CONF: bursting enabled */
460/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
461#define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
462#define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
463#define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
464#define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
465#define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
466/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
467#define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
468#define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
469#define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
470#define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
471#define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
472#define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
473#define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
474#define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
475#define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
476#define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
477#define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
478#define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
479#define	IEEE80211_F_CSAPENDING	0x00400000	/* STATUS: chan switch pending*/
480#define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
481#define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
482#define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
483#define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
484#define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
485#define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
486#define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
487#define	IEEE80211_F_PCF		0x20000000	/* CONF: PCF enabled */
488#define	IEEE80211_F_DOTH	0x40000000	/* CONF: 11h enabled */
489#define	IEEE80211_F_DWDS	0x80000000	/* CONF: Dynamic WDS enabled */
490
491#define	IEEE80211_F_BITS \
492	"\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
493	"\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
494	"\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
495	"\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
496	"\37DOTH\40DWDS"
497
498/* Atheros protocol-specific flags */
499#define	IEEE80211_F_ATHEROS \
500	(IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
501/* Check if an Atheros capability was negotiated for use */
502#define	IEEE80211_ATH_CAP(vap, ni, bit) \
503	((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
504
505/* ic_flags_ext/iv_flags_ext */
506#define	IEEE80211_FEXT_NONHT_PR	 0x00000001	/* STATUS: non-HT sta present */
507#define	IEEE80211_FEXT_INACT	 0x00000002	/* CONF: sta inact handling */
508#define	IEEE80211_FEXT_SCANWAIT	 0x00000004	/* STATUS: awaiting scan */
509/* 0x00000006 reserved */
510#define	IEEE80211_FEXT_BGSCAN	 0x00000008	/* STATUS: complete bgscan */
511#define	IEEE80211_FEXT_WPS	 0x00000010	/* CONF: WPS enabled */
512#define	IEEE80211_FEXT_TSN 	 0x00000020	/* CONF: TSN enabled */
513#define	IEEE80211_FEXT_SCANREQ	 0x00000040	/* STATUS: scan req params */
514#define	IEEE80211_FEXT_RESUME	 0x00000080	/* STATUS: start on resume */
515#define	IEEE80211_FEXT_NONERP_PR 0x00000200	/* STATUS: non-ERP sta present*/
516#define	IEEE80211_FEXT_SWBMISS	 0x00000400	/* CONF: do bmiss in s/w */
517#define	IEEE80211_FEXT_DFS	 0x00000800	/* CONF: DFS enabled */
518#define	IEEE80211_FEXT_DOTD	 0x00001000	/* CONF: 11d enabled */
519/* NB: immutable: should be set only when creating a vap */
520#define	IEEE80211_FEXT_WDSLEGACY 0x00010000	/* CONF: legacy WDS operation */
521#define	IEEE80211_FEXT_PROBECHAN 0x00020000	/* CONF: probe passive channel*/
522#define	IEEE80211_FEXT_HT	 0x00080000	/* CONF: HT supported */
523#define	IEEE80211_FEXT_AMPDU_TX	 0x00100000	/* CONF: A-MPDU tx supported */
524#define	IEEE80211_FEXT_AMPDU_RX	 0x00200000	/* CONF: A-MPDU tx supported */
525#define	IEEE80211_FEXT_AMSDU_TX	 0x00400000	/* CONF: A-MSDU tx supported */
526#define	IEEE80211_FEXT_AMSDU_RX	 0x00800000	/* CONF: A-MSDU tx supported */
527#define	IEEE80211_FEXT_USEHT40	 0x01000000	/* CONF: 20/40 use enabled */
528#define	IEEE80211_FEXT_PUREN	 0x02000000	/* CONF: 11n w/o legacy sta's */
529#define	IEEE80211_FEXT_SHORTGI20 0x04000000	/* CONF: short GI in HT20 */
530#define	IEEE80211_FEXT_SHORTGI40 0x08000000	/* CONF: short GI in HT40 */
531#define	IEEE80211_FEXT_HTCOMPAT  0x10000000	/* CONF: HT vendor OUI's */
532#define	IEEE80211_FEXT_RIFS  	 0x20000000	/* CONF: RIFS enabled */
533
534#define	IEEE80211_FEXT_BITS \
535	"\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
536	"\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
537	"\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
538	"\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
539
540#define	IEEE80211_FVEN_BITS	"\20"
541
542/* ic_caps/iv_caps: device driver capabilities */
543/* 0x2e available */
544#define	IEEE80211_C_STA		0x00000001	/* CAPABILITY: STA available */
545#define	IEEE80211_C_8023ENCAP	0x00000002	/* CAPABILITY: 802.3 encap */
546#define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
547#define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
548#define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
549#define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
550#define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
551#define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
552#define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
553#define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
554#define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
555#define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
556#define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
557#define	IEEE80211_C_DFS		0x00020000	/* CAPABILITY: DFS/radar avail*/
558/* 0x7c0000 available */
559#define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
560#define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
561#define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
562#define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
563#define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
564#define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
565/* 0x10000000 reserved */
566#define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
567#define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
568#define	IEEE80211_C_TDMA	0x80000000	/* CAPABILITY: TDMA avail */
569/* XXX protection/barker? */
570
571#define	IEEE80211_C_OPMODE \
572	(IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
573	 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
574	 IEEE80211_C_TDMA)
575
576#define	IEEE80211_C_BITS \
577	"\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
578	"\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
579	"\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
580	"\37TXFRAG\40TDMA"
581
582/*
583 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
584 *
585 * NB: the low 16-bits are the 802.11 definitions, the upper
586 *     16-bits are used to define s/w/driver capabilities.
587 */
588#define	IEEE80211_HTC_AMPDU	0x00010000	/* CAPABILITY: A-MPDU tx */
589#define	IEEE80211_HTC_AMSDU	0x00020000	/* CAPABILITY: A-MSDU tx */
590/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
591#define	IEEE80211_HTC_HT	0x00040000	/* CAPABILITY: HT operation */
592#define	IEEE80211_HTC_SMPS	0x00080000	/* CAPABILITY: MIMO power save*/
593#define	IEEE80211_HTC_RIFS	0x00100000	/* CAPABILITY: RIFS support */
594
595#define	IEEE80211_C_HTCAP_BITS \
596	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
597	"\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
598
599void	ieee80211_ifattach(struct ieee80211com *,
600		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
601void	ieee80211_ifdetach(struct ieee80211com *);
602int	ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
603		const char name[IFNAMSIZ], int unit, int opmode, int flags,
604		const uint8_t bssid[IEEE80211_ADDR_LEN],
605		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
606int	ieee80211_vap_attach(struct ieee80211vap *,
607		ifm_change_cb_t, ifm_stat_cb_t);
608void	ieee80211_vap_detach(struct ieee80211vap *);
609const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
610		const struct ieee80211_channel *);
611void	ieee80211_announce(struct ieee80211com *);
612void	ieee80211_announce_channels(struct ieee80211com *);
613void	ieee80211_drain(struct ieee80211com *);
614void	ieee80211_media_init(struct ieee80211com *);
615struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
616int	ieee80211_media_change(struct ifnet *);
617void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
618int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
619int	ieee80211_rate2media(struct ieee80211com *, int,
620		enum ieee80211_phymode);
621int	ieee80211_media2rate(int);
622int	ieee80211_mhz2ieee(u_int, u_int);
623int	ieee80211_chan2ieee(struct ieee80211com *,
624		const struct ieee80211_channel *);
625u_int	ieee80211_ieee2mhz(u_int, u_int);
626struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
627		int freq, int flags);
628struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
629		int ieee, int flags);
630int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
631enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
632
633/*
634 * Key update synchronization methods.  XXX should not be visible.
635 */
636static __inline void
637ieee80211_key_update_begin(struct ieee80211vap *vap)
638{
639	vap->iv_key_update_begin(vap);
640}
641static __inline void
642ieee80211_key_update_end(struct ieee80211vap *vap)
643{
644	vap->iv_key_update_end(vap);
645}
646
647/*
648 * XXX these need to be here for IEEE80211_F_DATAPAD
649 */
650
651/*
652 * Return the space occupied by the 802.11 header and any
653 * padding required by the driver.  This works for a
654 * management or data frame.
655 */
656static __inline int
657ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
658{
659	int size = ieee80211_hdrsize(data);
660	if (ic->ic_flags & IEEE80211_F_DATAPAD)
661		size = roundup(size, sizeof(uint32_t));
662	return size;
663}
664
665/*
666 * Like ieee80211_hdrspace, but handles any type of frame.
667 */
668static __inline int
669ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
670{
671	int size = ieee80211_anyhdrsize(data);
672	if (ic->ic_flags & IEEE80211_F_DATAPAD)
673		size = roundup(size, sizeof(uint32_t));
674	return size;
675}
676
677/*
678 * Notify a vap that beacon state has been updated.
679 */
680static __inline void
681ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
682{
683	if (vap->iv_state == IEEE80211_S_RUN)
684		vap->iv_update_beacon(vap, what);
685}
686
687/*
688 * Calculate HT channel promotion flags for a channel.
689 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_*
690 */
691static __inline int
692ieee80211_htchanflags(const struct ieee80211_channel *c)
693{
694	return IEEE80211_IS_CHAN_HT40(c) ?
695	    IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 :
696	    IEEE80211_IS_CHAN_HT(c) ?  IEEE80211_FEXT_HT : 0;
697}
698
699/*
700 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
701 *
702 * The intent is that any problem in the net80211 layer can be
703 * diagnosed by inspecting the statistics (dumped by the wlanstats
704 * program) and/or the msgs generated by net80211.  Messages are
705 * broken into functional classes and can be controlled with the
706 * wlandebug program.  Certain of these msg groups are for facilities
707 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
708 */
709#define	IEEE80211_MSG_11N	0x80000000	/* 11n mode debug */
710#define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
711#define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
712#define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
713#define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
714#define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
715#define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
716#define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
717#define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
718#define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
719#define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
720#define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
721#define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
722#define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
723#define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
724#define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
725#define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
726#define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
727#define	IEEE80211_MSG_MESH	0x00002000	/* mesh networking */
728#define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
729#define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
730#define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
731#define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
732#define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
733#define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
734#define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
735#define	IEEE80211_MSG_RATECTL	0x00000020	/* tx rate control */
736#define	IEEE80211_MSG_ACTION	0x00000010	/* action frame handling */
737#define	IEEE80211_MSG_WDS	0x00000008	/* WDS handling */
738#define	IEEE80211_MSG_IOCTL	0x00000004	/* ioctl handling */
739#define	IEEE80211_MSG_TDMA	0x00000002	/* TDMA handling */
740
741#define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
742
743#define	IEEE80211_MSG_BITS \
744	"\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
745	"\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
746	"\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
747	"\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
748
749#ifdef IEEE80211_DEBUG
750#define	ieee80211_msg(_vap, _m)	((_vap)->iv_debug & (_m))
751#define	IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do {			\
752	if (ieee80211_msg(_vap, _m))					\
753		ieee80211_note(_vap, _fmt, __VA_ARGS__);		\
754} while (0)
755#define	IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do {			\
756	if (ieee80211_msg(_vap, _m))					\
757		ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
758} while (0)
759#define	IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do {		\
760	if (ieee80211_msg(_vap, _m))					\
761		ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__);	\
762} while (0)
763#define	IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do {		\
764	if (ieee80211_msg(_vap, _m))					\
765		ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__);	\
766} while (0)
767void	ieee80211_note(struct ieee80211vap *, const char *, ...);
768void	ieee80211_note_mac(struct ieee80211vap *,
769		const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
770void	ieee80211_note_frame(struct ieee80211vap *,
771		const struct ieee80211_frame *, const char *, ...);
772#define	ieee80211_msg_debug(_vap) \
773	((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
774#define	ieee80211_msg_dumppkts(_vap) \
775	((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
776#define	ieee80211_msg_input(_vap) \
777	((_vap)->iv_debug & IEEE80211_MSG_INPUT)
778#define	ieee80211_msg_radius(_vap) \
779	((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
780#define	ieee80211_msg_dumpradius(_vap) \
781	((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
782#define	ieee80211_msg_dumpradkeys(_vap) \
783	((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
784#define	ieee80211_msg_scan(_vap) \
785	((_vap)->iv_debug & IEEE80211_MSG_SCAN)
786#define	ieee80211_msg_assoc(_vap) \
787	((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
788
789/*
790 * Emit a debug message about discarding a frame or information
791 * element.  One format is for extracting the mac address from
792 * the frame header; the other is for when a header is not
793 * available or otherwise appropriate.
794 */
795#define	IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do {		\
796	if ((_vap)->iv_debug & (_m))					\
797		ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
798} while (0)
799#define	IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do {	\
800	if ((_vap)->iv_debug & (_m))					\
801		ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
802} while (0)
803#define	IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do {	\
804	if ((_vap)->iv_debug & (_m))					\
805		ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
806} while (0)
807
808void ieee80211_discard_frame(struct ieee80211vap *,
809	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
810void ieee80211_discard_ie(struct ieee80211vap *,
811	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
812void ieee80211_discard_mac(struct ieee80211vap *,
813	const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
814	const char *fmt, ...);
815#else
816#define	IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
817#define	IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
818#define	IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
819#define	IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
820#define	ieee80211_msg_dumppkts(_vap)	0
821#define	ieee80211_msg(_vap, _m)		0
822
823#define	IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
824#define	IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
825#define	IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
826#endif
827
828#endif /* _NET80211_IEEE80211_VAR_H_ */
829