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ieee80211_var.h revision 1.21
      1 /*	$NetBSD: ieee80211_var.h,v 1.21 2005/11/18 16:40:09 skrll Exp $	*/
      2 /*-
      3  * Copyright (c) 2001 Atsushi Onoe
      4  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * Alternatively, this software may be distributed under the terms of the
     19  * GNU General Public License ("GPL") version 2 as published by the Free
     20  * Software Foundation.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.30 2005/08/10 16:22:29 sam Exp $
     34  */
     35 #ifndef _NET80211_IEEE80211_VAR_H_
     36 #define _NET80211_IEEE80211_VAR_H_
     37 
     38 /*
     39  * Definitions for IEEE 802.11 drivers.
     40  */
     41 #define	IEEE80211_DEBUG
     42 #undef	IEEE80211_DEBUG_REFCNT			/* node refcnt stuff */
     43 
     44 /* NB: portability glue must go first */
     45 #ifdef __NetBSD__
     46 #include <net80211/ieee80211_netbsd.h>
     47 #elif __FreeBSD__
     48 #include <net80211/ieee80211_freebsd.h>
     49 #elif __linux__
     50 #include <net80211/ieee80211_linux.h>
     51 #else
     52 #error	"No support for your operating system!"
     53 #endif
     54 
     55 #include <sys/queue.h>	/* XXX */
     56 
     57 #include <net80211/_ieee80211.h>
     58 #include <net80211/ieee80211.h>
     59 #include <net80211/ieee80211_crypto.h>
     60 #include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
     61 #include <net80211/ieee80211_node.h>
     62 #include <net80211/ieee80211_proto.h>
     63 
     64 #define	IEEE80211_TXPOWER_MAX	100	/* .5 dbM (XXX units?) */
     65 #define	IEEE80211_TXPOWER_MIN	0	/* kill radio */
     66 
     67 #define	IEEE80211_DTIM_MAX	15	/* max DTIM period */
     68 #define	IEEE80211_DTIM_MIN	1	/* min DTIM period */
     69 #define	IEEE80211_DTIM_DEFAULT	1	/* default DTIM period */
     70 
     71 /* NB: min+max come from WiFi requirements */
     72 #define	IEEE80211_BINTVAL_MAX	1000	/* max beacon interval (TU's) */
     73 #define	IEEE80211_BINTVAL_MIN	25	/* min beacon interval (TU's) */
     74 #define	IEEE80211_BINTVAL_DEFAULT 100	/* default beacon interval (TU's) */
     75 
     76 #define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
     77 #define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
     78 
     79 #define	IEEE80211_FIXED_RATE_NONE	-1
     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 
     87 struct ieee80211_aclator;
     88 
     89 #define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
     90 
     91 #define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
     92 
     93 struct ieee80211com {
     94 	SLIST_ENTRY(ieee80211com) ic_next;
     95 	struct ifnet		*ic_ifp;	/* associated device */
     96 	struct ieee80211_stats	ic_stats;	/* statistics */
     97 	struct sysctllog	*ic_sysctllog;	/* for destroying sysctl tree */
     98 	u_int32_t		ic_debug;	/* debug msg flags */
     99 	int			ic_vap;		/* virtual AP index */
    100 	ieee80211_beacon_lock_t	ic_beaconlock;	/* beacon update lock */
    101 
    102 	LIST_ENTRY(ieee80211com) ic_list;	/* chain of all ieee80211com */
    103 	int			(*ic_reset)(struct ifnet *);
    104 	void			(*ic_recv_mgmt)(struct ieee80211com *,
    105 				    struct mbuf *, struct ieee80211_node *,
    106 				    int, int, u_int32_t);
    107 	int			(*ic_send_mgmt)(struct ieee80211com *,
    108 				    struct ieee80211_node *, int, int);
    109 	int			(*ic_newstate)(struct ieee80211com *,
    110 				    enum ieee80211_state, int);
    111 	void			(*ic_newassoc)(struct ieee80211_node *, int);
    112 	void			(*ic_updateslot)(struct ifnet *);
    113 	void			(*ic_set_tim)(struct ieee80211_node *, int);
    114 	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
    115 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
    116 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
    117 	u_int8_t		ic_chan_avail[IEEE80211_CHAN_BYTES];
    118 	u_int8_t		ic_chan_active[IEEE80211_CHAN_BYTES];
    119 	u_int8_t		ic_chan_scan[IEEE80211_CHAN_BYTES];
    120 	struct ieee80211_node_table ic_scan;	/* scan candidates */
    121 	struct ifqueue		ic_mgtq;
    122 	u_int32_t		ic_flags;	/* state flags */
    123 	u_int32_t		ic_flags_ext;	/* extended state flags */
    124 	u_int32_t		ic_caps;	/* capabilities */
    125 	u_int16_t		ic_modecaps;	/* set of mode capabilities */
    126 	u_int16_t		ic_curmode;	/* current mode */
    127 	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
    128 	enum ieee80211_opmode	ic_opmode;	/* operation mode */
    129 	enum ieee80211_state	ic_state;	/* 802.11 state */
    130 	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
    131 	enum ieee80211_roamingmode ic_roaming;	/* roaming mode */
    132 	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
    133 	u_int32_t		*ic_aid_bitmap;	/* association id map */
    134 	u_int16_t		ic_max_aid;
    135 	u_int16_t		ic_sta_assoc;	/* stations associated */
    136 	u_int16_t		ic_ps_sta;	/* stations in power save */
    137 	u_int16_t		ic_ps_pending;	/* ps sta's w/ pending frames */
    138 	u_int8_t		*ic_tim_bitmap;	/* power-save stations w/ data*/
    139 	u_int16_t		ic_tim_len;	/* ic_tim_bitmap size (bytes) */
    140 	u_int8_t		ic_dtim_period;	/* DTIM period */
    141 	u_int8_t		ic_dtim_count;	/* DTIM count for last bcn */
    142 	struct ifmedia		ic_media;	/* interface media config */
    143 	caddr_t			ic_rawbpf;	/* packet filter structure */
    144 	struct ieee80211_node	*ic_bss;	/* information for this node */
    145 	struct ieee80211_channel *ic_ibss_chan;
    146 	struct ieee80211_channel *ic_curchan;	/* current channel */
    147 	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
    148 	u_int16_t		ic_rtsthreshold;
    149 	u_int16_t		ic_fragthreshold;
    150 	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211_node_table*);
    151 	void			(*ic_node_free)(struct ieee80211_node *);
    152 	void			(*ic_node_cleanup)(struct ieee80211_node *);
    153 	u_int8_t		(*ic_node_getrssi)(const struct ieee80211_node*);
    154 	u_int16_t		ic_lintval;	/* listen interval */
    155 	u_int16_t		ic_bintval;	/* beacon interval */
    156 	u_int16_t		ic_holdover;	/* PM hold over duration */
    157 	u_int16_t		ic_txmin;	/* min tx retry count */
    158 	u_int16_t		ic_txmax;	/* max tx retry count */
    159 	u_int16_t		ic_txlifetime;	/* tx lifetime */
    160 	u_int16_t		ic_txpowlimit;	/* global tx power limit */
    161 	u_int16_t		ic_bmisstimeout;/* beacon miss threshold (ms) */
    162 	u_int16_t		ic_nonerpsta;	/* # non-ERP stations */
    163 	u_int16_t		ic_longslotsta;	/* # long slot time stations */
    164 	int			ic_mgt_timer;	/* mgmt timeout */
    165 	int			ic_inact_timer;	/* inactivity timer wait */
    166 	int			ic_des_esslen;
    167 	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
    168 	struct ieee80211_channel *ic_des_chan;	/* desired channel */
    169 	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
    170 	void			*ic_opt_ie;	/* user-specified IE's */
    171 	u_int16_t		ic_opt_ie_len;	/* length of ni_opt_ie */
    172 	/*
    173 	 * Inactivity timer settings for nodes.
    174 	 */
    175 	int			ic_inact_init;	/* initial setting */
    176 	int			ic_inact_auth;	/* auth but not assoc setting */
    177 	int			ic_inact_run;	/* authorized setting */
    178 	int			ic_inact_probe;	/* inactive probe time */
    179 
    180 	/*
    181 	 * WME/WMM state.
    182 	 */
    183 	struct ieee80211_wme_state ic_wme;
    184 
    185 	/*
    186 	 * Cipher state/configuration.
    187 	 */
    188 	struct ieee80211_crypto_state ic_crypto;
    189 #define	ic_nw_keys	ic_crypto.cs_nw_keys	/* XXX compatibility */
    190 #define	ic_def_txkey	ic_crypto.cs_def_txkey	/* XXX compatibility */
    191 
    192 	/*
    193 	 * 802.1x glue.  When an authenticator attaches it
    194 	 * fills in this section.  We assume that when ic_ec
    195 	 * is setup that the methods are safe to call.
    196 	 */
    197 	const struct ieee80211_authenticator *ic_auth;
    198 	struct eapolcom		*ic_ec;
    199 
    200 	/*
    201 	 * Access control glue.  When a control agent attaches
    202 	 * it fills in this section.  We assume that when ic_ac
    203 	 * is setup that the methods are safe to call.
    204 	 */
    205 	const struct ieee80211_aclator *ic_acl;
    206 	void			*ic_as;
    207 };
    208 
    209 LIST_HEAD(ieee80211com_head, ieee80211com);
    210 
    211 extern struct ieee80211com_head ieee80211com_head;
    212 
    213 #define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
    214 #define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
    215 
    216 /* ic_flags */
    217 /* NB: bits 0x4c available */
    218 #define	IEEE80211_F_FF		0x00000001	/* CONF: ATH FF enabled */
    219 #define	IEEE80211_F_TURBOP	0x00000002	/* CONF: ATH Turbo enabled*/
    220 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
    221 #define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
    222 #define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
    223 #define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
    224 #define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
    225 #define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
    226 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
    227 #define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
    228 #define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
    229 #define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
    230 #define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
    231 #define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
    232 #define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
    233 #define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
    234 #define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
    235 #define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
    236 #define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
    237 #define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
    238 #define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
    239 #define	IEEE80211_F_TIMUPDATE	0x00400000	/* STATUS: update beacon tim */
    240 #define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
    241 #define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
    242 #define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
    243 #define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
    244 #define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
    245 #define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
    246 #define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
    247 #define	IEEE80211_F_WMEUPDATE	0x20000000	/* STATUS: update beacon wme */
    248 
    249 /* ic_flags_ext */
    250 #define	IEEE80211_FEXT_WDS	0x00000001	/* CONF: 4 addr allowed */
    251 /* 0x00000006 reserved */
    252 #define	IEEE80211_FEXT_BGSCAN	0x00000008	/* STATUS: enable full bgscan completion */
    253 
    254 /* ic_caps */
    255 #define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
    256 #define	IEEE80211_C_TKIP	0x00000002	/* CAPABILITY: TKIP available */
    257 #define	IEEE80211_C_AES		0x00000004	/* CAPABILITY: AES OCB avail */
    258 #define	IEEE80211_C_AES_CCM	0x00000008	/* CAPABILITY: AES CCM avail */
    259 #define	IEEE80211_C_CKIP	0x00000020	/* CAPABILITY: CKIP available */
    260 #define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
    261 #define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
    262 #define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
    263 #define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
    264 #define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
    265 #define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
    266 #define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
    267 #define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
    268 #define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
    269 #define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
    270 #define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
    271 #define	IEEE80211_C_TKIPMIC	0x00020000	/* CAPABILITY: TKIP MIC avail */
    272 #define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
    273 #define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
    274 #define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
    275 #define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
    276 #define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
    277 #define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
    278 /* 0x10000000 reserved */
    279 #define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
    280 #define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
    281 /* XXX protection/barker? */
    282 
    283 #define	IEEE80211_C_CRYPTO	0x0000002f	/* CAPABILITY: crypto alg's */
    284 
    285 void	ieee80211_ifattach(struct ieee80211com *);
    286 void	ieee80211_ifdetach(struct ieee80211com *);
    287 void	ieee80211_announce(struct ieee80211com *);
    288 void	ieee80211_media_init(struct ieee80211com *,
    289 		ifm_change_cb_t, ifm_stat_cb_t);
    290 struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]);
    291 int	ieee80211_media_change(struct ifnet *);
    292 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
    293 int	ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t);
    294 int	ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t);
    295 int	ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t);
    296 void	ieee80211_watchdog(struct ieee80211com *);
    297 int	ieee80211_rate2media(struct ieee80211com *, int,
    298 		enum ieee80211_phymode);
    299 int	ieee80211_media2rate(int);
    300 u_int	ieee80211_mhz2ieee(u_int, u_int);
    301 u_int	ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *);
    302 u_int	ieee80211_ieee2mhz(u_int, u_int);
    303 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
    304 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
    305 		struct ieee80211_channel *);
    306 int	ieee80211_get_rate(struct ieee80211com *);
    307 
    308 /*
    309  * Key update synchronization methods.  XXX should not be visible.
    310  */
    311 static __inline void
    312 ieee80211_key_update_begin(struct ieee80211com *ic)
    313 {
    314 	ic->ic_crypto.cs_key_update_begin(ic);
    315 }
    316 static __inline void
    317 ieee80211_key_update_end(struct ieee80211com *ic)
    318 {
    319 	ic->ic_crypto.cs_key_update_end(ic);
    320 }
    321 
    322 /*
    323  * XXX these need to be here for IEEE80211_F_DATAPAD
    324  */
    325 
    326 /*
    327  * Return the space occupied by the 802.11 header and any
    328  * padding required by the driver.  This works for a
    329  * management or data frame.
    330  */
    331 static __inline int
    332 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
    333 {
    334 	int size = ieee80211_hdrsize(data);
    335 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
    336 		size = roundup(size, sizeof(u_int32_t));
    337 	return size;
    338 }
    339 
    340 /*
    341  * Like ieee80211_hdrspace, but handles any type of frame.
    342  */
    343 static __inline int
    344 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
    345 {
    346 	int size = ieee80211_anyhdrsize(data);
    347 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
    348 		size = roundup(size, sizeof(u_int32_t));
    349 	return size;
    350 }
    351 
    352 #define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
    353 #define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
    354 #define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
    355 #define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
    356 #define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
    357 #define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
    358 #define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
    359 #define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
    360 #define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
    361 #define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
    362 #define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
    363 #define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
    364 #define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
    365 #define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
    366 #define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
    367 #define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
    368 #define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
    369 #define	IEEE80211_MSG_RADKEYS	0x00002000	/* dump 802.1x keys */
    370 #define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
    371 #define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
    372 #define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
    373 #define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
    374 #define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
    375 #define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
    376 #define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
    377 
    378 #define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
    379 
    380 #ifdef IEEE80211_DEBUG
    381 #define	ieee80211_msg(_ic, _m)	((_ic)->ic_debug & (_m))
    382 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do {			\
    383 	if (ieee80211_msg(_ic, _m))					\
    384 		ieee80211_note(_ic, _fmt, __VA_ARGS__);		\
    385 } while (0)
    386 #define	IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do {			\
    387 	if (ieee80211_msg(_ic, _m))					\
    388 		ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
    389 } while (0)
    390 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do {		\
    391 	if (ieee80211_msg(_ic, _m))					\
    392 		ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__);	\
    393 } while (0)
    394 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do {		\
    395 	if (ieee80211_msg(_ic, _m))					\
    396 		ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__);	\
    397 } while (0)
    398 void	ieee80211_note(struct ieee80211com *ic, const char *fmt, ...);
    399 void	ieee80211_note_mac(struct ieee80211com *ic,
    400 		const u_int8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...);
    401 void	ieee80211_note_frame(struct ieee80211com *ic,
    402 		const struct ieee80211_frame *wh, const char *fmt, ...);
    403 #define	ieee80211_msg_debug(_ic) \
    404 	((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
    405 #define	ieee80211_msg_dumppkts(_ic) \
    406 	((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
    407 #define	ieee80211_msg_input(_ic) \
    408 	((_ic)->ic_debug & IEEE80211_MSG_INPUT)
    409 #define	ieee80211_msg_radius(_ic) \
    410 	((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
    411 #define	ieee80211_msg_dumpradius(_ic) \
    412 	((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
    413 #define	ieee80211_msg_dumpradkeys(_ic) \
    414 	((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
    415 #define	ieee80211_msg_scan(_ic) \
    416 	((_ic)->ic_debug & IEEE80211_MSG_SCAN)
    417 #define	ieee80211_msg_assoc(_ic) \
    418 	((_ic)->ic_debug & IEEE80211_MSG_ASSOC)
    419 #else
    420 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
    421 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...)
    422 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...)
    423 #define	ieee80211_msg_dumppkts(_ic)	0
    424 #define	ieee80211_msg(_ic, _m)		0
    425 #endif
    426 
    427 #endif /* _NET80211_IEEE80211_VAR_H_ */
    428