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ieee80211_var.h revision 1.26.34.1
      1 /*	$NetBSD: ieee80211_var.h,v 1.26.34.1 2008/02/22 16:50:26 skrll Exp $	*/
      2 /*-
      3  * Copyright (c) 2001 Atsushi Onoe
      4  * Copyright (c) 2002-2007 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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.54 2007/11/23 05:57:20 sam Exp $
     28  */
     29 #ifndef _NET80211_IEEE80211_VAR_H_
     30 #define _NET80211_IEEE80211_VAR_H_
     31 
     32 /*
     33  * Definitions for IEEE 802.11 drivers.
     34  */
     35 #define	IEEE80211_DEBUG
     36 #undef	IEEE80211_DEBUG_REFCNT			/* node refcnt stuff */
     37 
     38 /* NB: portability glue must go first */
     39 #ifdef __NetBSD__
     40 #include <net80211/ieee80211_netbsd.h>
     41 #elif __FreeBSD__
     42 #include <net80211/ieee80211_freebsd.h>
     43 #elif __linux__
     44 #include <net80211/ieee80211_linux.h>
     45 #else
     46 #error	"No support for your operating system!"
     47 #endif
     48 
     49 #include <sys/queue.h>	/* XXX */
     50 
     51 #include <net80211/_ieee80211.h>
     52 #include <net80211/ieee80211.h>
     53 #include <net80211/ieee80211_crypto.h>
     54 #include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
     55 #include <net80211/ieee80211_node.h>
     56 #include <net80211/ieee80211_power.h>
     57 #include <net80211/ieee80211_proto.h>
     58 #include <net80211/ieee80211_scan.h>
     59 
     60 #define	IEEE80211_TXPOWER_MAX	100	/* .5 dbM (XXX units?) */
     61 #define	IEEE80211_TXPOWER_MIN	0	/* kill radio */
     62 
     63 #define	IEEE80211_DTIM_DEFAULT	1	/* default DTIM period */
     64 #define	IEEE80211_BINTVAL_DEFAULT 100	/* default beacon interval (TU's) */
     65 
     66 #define	IEEE80211_BMISS_MAX	2	/* maximum consecutive bmiss allowed */
     67 #define	IEEE80211_HWBMISS_DEFAULT 7	/* h/w bmiss threshold (beacons) */
     68 
     69 #define	IEEE80211_BGSCAN_INTVAL_MIN	15	/* min bg scan intvl (secs) */
     70 #define	IEEE80211_BGSCAN_INTVAL_DEFAULT	(5*60)	/* default bg scan intvl */
     71 
     72 #define	IEEE80211_BGSCAN_IDLE_MIN	100	/* min idle time (ms) */
     73 #define	IEEE80211_BGSCAN_IDLE_DEFAULT	250	/* default idle time (ms) */
     74 
     75 #define	IEEE80211_SCAN_VALID_MIN	10	/* min scan valid time (secs) */
     76 #define	IEEE80211_SCAN_VALID_DEFAULT	60	/* default scan valid time */
     77 
     78 #define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
     79 #define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
     80 
     81 #define	IEEE80211_FIXED_RATE_NONE	-1
     82 #define	IEEE80211_MCAST_RATE_DEFAULT	(2*1)	/* default mcast rate (1M) */
     83 
     84 #define	IEEE80211_RTS_DEFAULT		IEEE80211_RTS_MAX
     85 #define	IEEE80211_FRAG_DEFAULT		IEEE80211_FRAG_MAX
     86 
     87 #define	IEEE80211_MS_TO_TU(x)	(((x) * 1000) / 1024)
     88 #define	IEEE80211_TU_TO_MS(x)	(((x) * 1024) / 1000)
     89 #define	IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
     90 
     91 struct ieee80211_aclator;
     92 
     93 #define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
     94 
     95 #define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
     96 
     97 struct ieee80211com {
     98 	SLIST_ENTRY(ieee80211com) ic_next;	 /* chain of all ieee80211com */
     99 
    100 	struct ifnet		*ic_ifp;	/* associated device */
    101 	ieee80211_com_lock_t	ic_comlock;	/* state update lock */
    102 	ieee80211_beacon_lock_t	ic_beaconlock;	/* beacon update lock */
    103 	struct ieee80211_stats	ic_stats;	/* statistics */
    104 	struct sysctllog	*ic_sysctllog;	/* for destroying sysctl tree */
    105 	uint32_t		ic_debug;	/* debug msg flags */
    106 	int			ic_vap;		/* virtual AP index */
    107 	int			ic_headroom;	/* driver tx headroom needs */
    108 	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
    109 	enum ieee80211_opmode	ic_opmode;	/* operation mode */
    110 	struct ifmedia		ic_media;	/* interface media config */
    111 	uint8_t			ic_myaddr[IEEE80211_ADDR_LEN];
    112 
    113 	uint32_t		ic_flags;	/* state flags */
    114 	uint32_t		ic_flags_ext;	/* extended state flags */
    115 	uint32_t		ic_flags_ven;	/* vendor state flags */
    116 	uint32_t		ic_caps;	/* capabilities */
    117 	uint32_t		ic_htcaps;	/* HT capabilities */
    118 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
    119 	uint16_t		ic_curmode;	/* current mode */
    120 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
    121 	uint16_t		ic_bintval;	/* beacon interval */
    122 	uint16_t		ic_lintval;	/* listen interval */
    123 	uint16_t		ic_holdover;	/* PM hold over duration */
    124 	uint16_t		ic_txpowlimit;	/* global tx power limit */
    125 	int			ic_ampdu_rxmax;	/* A-MPDU rx limit (bytes) */
    126 	int			ic_ampdu_density;/* A-MPDU density */
    127 	int			ic_ampdu_limit;	/* A-MPDU tx limit (bytes) */
    128 	int			ic_amsdu_limit;	/* A-MSDU tx limit (bytes) */
    129 
    130 	/*
    131 	 * Channel state:
    132 	 *
    133 	 * ic_channels is the set of available channels for the device;
    134 	 *    it is setup by the driver
    135 	 * ic_nchans is the number of valid entries in ic_channels
    136 	 * ic_chan_avail is a bit vector of these channels used to check
    137 	 *    whether a channel is available w/o searching the channel table.
    138 	 * ic_chan_active is a (potentially) constrained subset of
    139 	 *    ic_chan_avail that reflects any mode setting or user-specified
    140 	 *    limit on the set of channels to use/scan
    141 	 * ic_curchan is the current channel the device is set to; it may
    142 	 *    be different from ic_bsschan when we are off-channel scanning
    143 	 *    or otherwise doing background work
    144 	 * ic_bsschan is the channel selected for operation; it may
    145 	 *    be undefined (IEEE80211_CHAN_ANYC)
    146 	 * ic_prevchan is a cached ``previous channel'' used to optimize
    147 	 *    lookups when switching back+forth between two channels
    148 	 *    (e.g. for dynamic turbo)
    149 	 */
    150 	int			ic_nchans;	/* # entries in ic_channels */
    151 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
    152 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
    153 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
    154 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
    155 	struct ieee80211_channel *ic_curchan;	/* current channel */
    156 	struct ieee80211_channel *ic_bsschan;	/* bss channel */
    157 	struct ieee80211_channel *ic_prevchan;	/* previous channel */
    158 	int			ic_countrycode;	/* ISO country code */
    159 	uint16_t		ic_regdomain;	/* regulatory domain */
    160 	uint8_t			ic_location;	/* unknown, indoor, outdoor */
    161 
    162 	struct ieee80211_scan_state *ic_scan;	/* scan state */
    163 	enum ieee80211_roamingmode ic_roaming;	/* roaming mode */
    164 	int			ic_lastdata;	/* time of last data frame */
    165 	int			ic_lastscan;	/* time last scan completed */
    166 	int			ic_des_nssid;	/* # desired ssids */
    167 	struct ieee80211_scan_ssid ic_des_ssid[1];/* desired ssid table */
    168 	uint8_t			ic_des_bssid[IEEE80211_ADDR_LEN];
    169 	struct ieee80211_channel *ic_des_chan;	/* desired channel */
    170 	int			ic_des_mode;	/* desired phymode */
    171 	u_int			ic_bgscanidle;	/* bg scan idle threshold */
    172 	u_int			ic_bgscanintvl;	/* bg scan min interval */
    173 	u_int			ic_scanvalid;	/* scan cache valid threshold */
    174 	struct ieee80211_roam	ic_roam;	/* sta-mode roaming state */
    175 
    176 	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
    177 
    178 	struct ieee80211_wme_state ic_wme;	/* WME/WMM state */
    179 	const struct ieee80211_aclator *ic_acl;	/* aclator glue */
    180 	void			*ic_as;		/* private aclator state */
    181 
    182 	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
    183 	uint16_t		ic_nonerpsta;	/* # non-ERP stations */
    184 	uint16_t		ic_longslotsta;	/* # long slot time stations */
    185 	uint16_t		ic_sta_assoc;	/* stations associated */
    186 	uint16_t		ic_ht_sta_assoc;/* HT stations associated */
    187 	uint16_t		ic_ht40_sta_assoc;/* HT40 stations associated */
    188 	uint8_t			ic_curhtprotmode;/* HTINFO bss state */
    189 	enum ieee80211_protmode	ic_htprotmode;	/* HT protection mode */
    190 	int			ic_lastnonerp;	/* last time non-ERP sta noted*/
    191 	int			ic_lastnonht;	/* last time non-HT sta noted */
    192 
    193 	struct ifqueue		ic_mgtq;
    194 	enum ieee80211_state	ic_state;	/* 802.11 state */
    195 	struct callout		ic_mgtsend;	/* mgmt frame response timer */
    196 	uint32_t		*ic_aid_bitmap;	/* association id map */
    197 	uint16_t		ic_max_aid;
    198 	uint16_t		ic_ps_sta;	/* stations in power save */
    199 	uint16_t		ic_ps_pending;	/* ps sta's w/ pending frames */
    200 	uint8_t			*ic_tim_bitmap;	/* power-save stations w/ data*/
    201 	uint16_t		ic_tim_len;	/* ic_tim_bitmap size (bytes) */
    202 	uint8_t			ic_dtim_period;	/* DTIM period */
    203 	uint8_t			ic_dtim_count;	/* DTIM count for last bcn */
    204 	void *			ic_rawbpf;	/* packet filter structure */
    205 
    206 	struct ieee80211_node	*ic_bss;	/* information for this node */
    207 	int			ic_fixed_rate;	/* 802.11 rate or -1 */
    208 	int			ic_mcast_rate;	/* rate for mcast frames */
    209 	uint16_t		ic_rtsthreshold;
    210 	uint16_t		ic_fragthreshold;
    211 	uint8_t			ic_bmissthreshold;
    212 	uint8_t			ic_bmiss_count;	/* current beacon miss count */
    213 	int			ic_bmiss_max;	/* max bmiss before scan */
    214 	uint16_t		ic_swbmiss_count;/* beacons in last period */
    215 	uint16_t		ic_swbmiss_period;/* s/w bmiss period */
    216 	struct callout		ic_swbmiss;	/* s/w beacon miss timer */
    217 
    218 	uint16_t		ic_txmin;	/* min tx retry count */
    219 	uint16_t		ic_txmax;	/* max tx retry count */
    220 	uint16_t		ic_txlifetime;	/* tx lifetime */
    221 	struct callout		ic_inact;	/* inactivity timer wait */
    222 	void			*ic_opt_ie;	/* user-specified IE's */
    223 	uint16_t		ic_opt_ie_len;	/* length of ni_opt_ie */
    224 	int			ic_inact_init;	/* initial setting */
    225 	int			ic_inact_auth;	/* auth but not assoc setting */
    226 	int			ic_inact_run;	/* authorized setting */
    227 	int			ic_inact_probe;	/* inactive probe time */
    228 
    229 	/*
    230 	 * Cipher state/configuration.
    231 	 */
    232 	struct ieee80211_crypto_state ic_crypto;
    233 #define	ic_nw_keys	ic_crypto.cs_nw_keys	/* XXX compatibility */
    234 #define	ic_def_txkey	ic_crypto.cs_def_txkey	/* XXX compatibility */
    235 	/*
    236 	 * 802.1x glue.  When an authenticator attaches it
    237 	 * fills in this section.  We assume that when ic_ec
    238 	 * is setup that the methods are safe to call.
    239 	 */
    240 	const struct ieee80211_authenticator *ic_auth;
    241 	struct eapolcom		*ic_ec;
    242 
    243 	/* send/recv 802.11 management frame */
    244 	int			(*ic_send_mgmt)(struct ieee80211com *,
    245 				    struct ieee80211_node *, int, int);
    246 	void			(*ic_recv_mgmt)(struct ieee80211com *,
    247 				    struct mbuf *, struct ieee80211_node *,
    248 				    int, int, int, uint32_t);
    249 	/* send raw 802.11 frame */
    250 	int			(*ic_raw_xmit)(struct ieee80211_node *,
    251 				    struct mbuf *,
    252 				    const struct ieee80211_bpf_params *);
    253 	/* reset device state after 802.11 parameter/state change */
    254 	int			(*ic_reset)(struct ifnet *);
    255 	/* [schedule] beacon frame update */
    256 	void			(*ic_update_beacon)(struct ieee80211com *, int);
    257 	/* update device state for 802.11 slot time change */
    258 	void			(*ic_updateslot)(struct ifnet *);
    259 	/* new station association callback/notification */
    260 	void			(*ic_newassoc)(struct ieee80211_node *, int);
    261 	/* node state management */
    262 	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211_node_table*);
    263 	void			(*ic_node_free)(struct ieee80211_node *);
    264 	void			(*ic_node_cleanup)(struct ieee80211_node *);
    265 	int8_t			(*ic_node_getrssi)(const struct ieee80211_node*);
    266 	void			(*ic_node_getsignal)(const struct ieee80211_node*,
    267 				    int8_t *, int8_t *);
    268 	/* scanning support */
    269 	void			(*ic_scan_start)(struct ieee80211com *);
    270 	void			(*ic_scan_end)(struct ieee80211com *);
    271 	void			(*ic_set_channel)(struct ieee80211com *);
    272 	void			(*ic_scan_curchan)(struct ieee80211com *,
    273 				    unsigned long);
    274 	void			(*ic_scan_mindwell)(struct ieee80211com *);
    275 	/* per-vap eventually... */
    276 	int			(*ic_newstate)(struct ieee80211com *,
    277 				    enum ieee80211_state, int);
    278 	void			(*ic_set_tim)(struct ieee80211_node *, int);
    279 
    280 	/*
    281 	 * 802.11n ADDBA support.  A simple/generic implementation
    282 	 * of A-MPDU tx aggregation is provided; the driver may
    283 	 * override these methods to provide their own support.
    284 	 * A-MPDU rx re-ordering happens automatically if the
    285 	 * driver passes out-of-order frames to ieee80211_input
    286 	 * from an assocated HT station.
    287 	 */
    288 	void			(*ic_recv_action)(struct ieee80211_node *,
    289 				    const uint8_t *frm, const uint8_t *efrm);
    290 	int			(*ic_send_action)(struct ieee80211_node *,
    291 				    int category, int action,
    292 				    uint16_t args[4]);
    293 	/* start/stop doing A-MPDU tx aggregation for a station */
    294 	int			(*ic_addba_request)(struct ieee80211_node *,
    295 				    struct ieee80211_tx_ampdu *,
    296 				    int dialogtoken, int baparamset,
    297 				    int batimeout);
    298 	int			(*ic_addba_response)(struct ieee80211_node *,
    299 				    struct ieee80211_tx_ampdu *,
    300 				    int status, int baparamset, int batimeout);
    301 	void			(*ic_addba_stop)(struct ieee80211_node *,
    302 				    struct ieee80211_tx_ampdu *);
    303 };
    304 
    305 SLIST_HEAD(ieee80211_list, ieee80211com);
    306 
    307 extern struct ieee80211_list ieee80211_list;
    308 
    309 #define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
    310 #define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
    311 
    312 /* ic_flags */
    313 /* NB: bits 0x4c available */
    314 #define	IEEE80211_F_TURBOP	0x00000001	/* CONF: ATH Turbo enabled*/
    315 #define	IEEE80211_F_COMP	0x00000002	/* CONF: ATH comp enabled */
    316 #define	IEEE80211_F_FF		0x00000004	/* CONF: ATH FF enabled */
    317 #define	IEEE80211_F_BURST	0x00000008	/* CONF: bursting enabled */
    318 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
    319 #define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
    320 #define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
    321 #define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
    322 #define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
    323 #define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
    324 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
    325 #define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
    326 #define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
    327 #define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
    328 #define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
    329 #define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
    330 #define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
    331 #define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
    332 #define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
    333 #define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
    334 #define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
    335 #define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
    336 #define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
    337 #define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
    338 #define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
    339 #define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
    340 #define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
    341 #define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
    342 #define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
    343 #define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
    344 #define	IEEE80211_F_DOTH	0x40000000	/* CONF: 11h enabled */
    345 
    346 /* Atheros protocol-specific flags */
    347 #define	IEEE80211_F_ATHEROS \
    348 	(IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
    349 /* Check if an Atheros capability was negotiated for use */
    350 #define	IEEE80211_ATH_CAP(ic, ni, bit) \
    351 	((ic)->ic_flags & (ni)->ni_ath_flags & (bit))
    352 
    353 /* ic_flags_ext */
    354 #define	IEEE80211_FEXT_NONHT_PR	 0x00000001	/* STATUS: non-HT sta present */
    355 #define	IEEE80211_FEXT_INACT	 0x00000002	/* CONF: sta inact handling */
    356 /* 0x00000006 reserved */
    357 #define	IEEE80211_FEXT_BGSCAN	 0x00000008	/* STATUS: complete bgscan */
    358 #define	IEEE80211_FEXT_NONERP_PR 0x00000200	/* STATUS: non-ERP sta present*/
    359 #define	IEEE80211_FEXT_SWBMISS	 0x00000400	/* CONF: do bmiss in s/w */
    360 #define	IEEE80211_FEXT_PROBECHAN 0x00020000	/* CONF: probe passive channel*/
    361 #define	IEEE80211_FEXT_HT	 0x00080000	/* CONF: HT supported */
    362 #define	IEEE80211_FEXT_AMPDU_TX	 0x00100000	/* CONF: A-MPDU tx supported */
    363 #define	IEEE80211_FEXT_AMPDU_RX	 0x00200000	/* CONF: A-MPDU tx supported */
    364 #define	IEEE80211_FEXT_AMSDU_TX	 0x00400000	/* CONF: A-MSDU tx supported */
    365 #define	IEEE80211_FEXT_AMSDU_RX	 0x00800000	/* CONF: A-MSDU tx supported */
    366 #define	IEEE80211_FEXT_USEHT40	 0x01000000	/* CONF: 20/40 use enabled */
    367 #define	IEEE80211_FEXT_PUREN	 0x02000000	/* CONF: 11n w/o legacy sta's */
    368 #define	IEEE80211_FEXT_SHORTGI20 0x04000000	/* CONF: short GI in HT20 */
    369 #define	IEEE80211_FEXT_SHORTGI40 0x08000000	/* CONF: short GI in HT40 */
    370 #define	IEEE80211_FEXT_HTCOMPAT  0x10000000	/* CONF: HT vendor OUI's */
    371 
    372 /* ic_caps */
    373 #define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
    374 #define	IEEE80211_C_TKIP	0x00000002	/* CAPABILITY: TKIP available */
    375 #define	IEEE80211_C_AES		0x00000004	/* CAPABILITY: AES OCB avail */
    376 #define	IEEE80211_C_AES_CCM	0x00000008	/* CAPABILITY: AES CCM avail */
    377 #define	IEEE80211_C_CKIP	0x00000020	/* CAPABILITY: CKIP available */
    378 #define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
    379 #define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
    380 #define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
    381 #define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
    382 #define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
    383 #define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
    384 #define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
    385 #define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
    386 #define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
    387 #define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
    388 #define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
    389 #define	IEEE80211_C_TKIPMIC	0x00020000	/* CAPABILITY: TKIP MIC avail */
    390 #define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
    391 #define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
    392 #define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
    393 #define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
    394 #define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
    395 #define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
    396 /* 0x10000000 reserved */
    397 #define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
    398 #define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
    399 /* XXX protection/barker? */
    400 
    401 #define	IEEE80211_C_CRYPTO	0x0000002f	/* CAPABILITY: crypto alg's */
    402 
    403 /*
    404  * ic_htcaps: HT-specific device/driver capabilities
    405  *
    406  * NB: the low 16-bits are the 802.11 definitions, the upper
    407  *     16-bits are used to define s/w/driver capabilities.
    408  */
    409 #define	IEEE80211_HTC_AMPDU	0x00010000	/* CAPABILITY: A-MPDU tx */
    410 #define	IEEE80211_HTC_AMSDU	0x00020000	/* CAPABILITY: A-MSDU tx */
    411 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
    412 #define	IEEE80211_HTC_HT	0x00040000	/* CAPABILITY: HT operation */
    413 
    414 void	ieee80211_ifattach(struct ieee80211com *);
    415 void	ieee80211_ifdetach(struct ieee80211com *);
    416 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
    417 		const struct ieee80211_channel *);
    418 void	ieee80211_announce(struct ieee80211com *);
    419 void	ieee80211_announce_channels(struct ieee80211com *);
    420 void	ieee80211_media_init(struct ieee80211com *,
    421 		ifm_change_cb_t, ifm_stat_cb_t);
    422 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
    423 int	ieee80211_media_change(struct ifnet *);
    424 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
    425 int	ieee80211_ioctl(struct ieee80211com *, u_long, void *);
    426 int	ieee80211_cfgget(struct ieee80211com *, u_long, void *);
    427 int	ieee80211_cfgset(struct ieee80211com *, u_long, void *);
    428 void	ieee80211_watchdog(struct ieee80211com *);
    429 int	ieee80211_rate2media(struct ieee80211com *, int,
    430 		enum ieee80211_phymode);
    431 int	ieee80211_media2rate(int);
    432 int	ieee80211_mhz2ieee(u_int, u_int);
    433 int	ieee80211_chan2ieee(struct ieee80211com *,
    434 		const struct ieee80211_channel *);
    435 u_int	ieee80211_ieee2mhz(u_int, u_int);
    436 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
    437 		int freq, int flags);
    438 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
    439 		int ieee, int flags);
    440 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
    441 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
    442 int	ieee80211_get_rate(const struct ieee80211_node *);
    443 
    444 /*
    445  * Key update synchronization methods.  XXX should not be visible.
    446  */
    447 static __inline void
    448 ieee80211_key_update_begin(struct ieee80211com *ic)
    449 {
    450 	ic->ic_crypto.cs_key_update_begin(ic);
    451 }
    452 static __inline void
    453 ieee80211_key_update_end(struct ieee80211com *ic)
    454 {
    455 	ic->ic_crypto.cs_key_update_end(ic);
    456 }
    457 
    458 /*
    459  * XXX these need to be here for IEEE80211_F_DATAPAD
    460  */
    461 
    462 /*
    463  * Return the space occupied by the 802.11 header and any
    464  * padding required by the driver.  This works for a
    465  * management or data frame.
    466  */
    467 static __inline int
    468 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
    469 {
    470 	int size = ieee80211_hdrsize(data);
    471 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
    472 		size = roundup(size, sizeof(uint32_t));
    473 	return size;
    474 }
    475 
    476 /*
    477  * Like ieee80211_hdrspace, but handles any type of frame.
    478  */
    479 static __inline int
    480 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
    481 {
    482 	int size = ieee80211_anyhdrsize(data);
    483 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
    484 		size = roundup(size, sizeof(uint32_t));
    485 	return size;
    486 }
    487 
    488 /*
    489  * Notify a driver that beacon state has been updated.
    490  */
    491 static __inline void
    492 ieee80211_beacon_notify(struct ieee80211com *ic, int what)
    493 {
    494 	if (ic->ic_state == IEEE80211_S_RUN)
    495 		ic->ic_update_beacon(ic, what);
    496 }
    497 
    498 /*
    499  * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
    500  *
    501  * The intent is that any problem in the net80211 layer can be
    502  * diagnosed by inspecting the statistics (dumped by the wlanstats
    503  * program) and/or the msgs generated by net80211.  Messages are
    504  * broken into functional classes and can be controlled with the
    505  * wlandebug program.  Certain of these msg groups are for facilities
    506  * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
    507  */
    508 #define	IEEE80211_MSG_11N	0x80000000	/* 11n mode debug */
    509 #define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
    510 #define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
    511 #define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
    512 #define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
    513 #define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
    514 #define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
    515 #define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
    516 #define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
    517 #define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
    518 #define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
    519 #define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
    520 #define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
    521 #define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
    522 #define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
    523 #define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
    524 #define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
    525 #define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
    526 #define	IEEE80211_MSG_RADKEYS	0x00002000	/* dump 802.1x keys */
    527 #define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
    528 #define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
    529 #define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
    530 #define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
    531 #define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
    532 #define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
    533 #define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
    534 #define	IEEE80211_MSG_RATECTL	0x00000020	/* tx rate control */
    535 #define	IEEE80211_MSG_ACTION	0x00000010	/* action frame handling */
    536 #define	IEEE80211_MSG_WDS	0x00000008	/* WDS handling */
    537 #define	IEEE80211_MSG_IOCTL	0x00000004	/* ioctl handling */
    538 
    539 #define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
    540 
    541 #ifdef IEEE80211_DEBUG
    542 #define	ieee80211_msg(_ic, _m)	((_ic)->ic_debug & (_m))
    543 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do {			\
    544 	if (ieee80211_msg(_ic, _m))					\
    545 		ieee80211_note(_ic, _fmt, __VA_ARGS__);		\
    546 } while (0)
    547 #define	IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do {			\
    548 	if (ieee80211_msg(_ic, _m))					\
    549 		ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
    550 } while (0)
    551 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do {		\
    552 	if (ieee80211_msg(_ic, _m))					\
    553 		ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__);	\
    554 } while (0)
    555 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do {		\
    556 	if (ieee80211_msg(_ic, _m))					\
    557 		ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__);	\
    558 } while (0)
    559 void	ieee80211_note(struct ieee80211com *ic, const char *fmt, ...);
    560 void	ieee80211_note_mac(struct ieee80211com *ic,
    561 		const uint8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...);
    562 void	ieee80211_note_frame(struct ieee80211com *ic,
    563 		const struct ieee80211_frame *wh, const char *fmt, ...);
    564 #define	ieee80211_msg_debug(_ic) \
    565 	((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
    566 #define	ieee80211_msg_dumppkts(_ic) \
    567 	((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
    568 #define	ieee80211_msg_input(_ic) \
    569 	((_ic)->ic_debug & IEEE80211_MSG_INPUT)
    570 #define	ieee80211_msg_radius(_ic) \
    571 	((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
    572 #define	ieee80211_msg_dumpradius(_ic) \
    573 	((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
    574 #define	ieee80211_msg_dumpradkeys(_ic) \
    575 	((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
    576 #define	ieee80211_msg_scan(_ic) \
    577 	((_ic)->ic_debug & IEEE80211_MSG_SCAN)
    578 #define	ieee80211_msg_assoc(_ic) \
    579 	((_ic)->ic_debug & IEEE80211_MSG_ASSOC)
    580 
    581 /*
    582  * Emit a debug message about discarding a frame or information
    583  * element.  One format is for extracting the mac address from
    584  * the frame header; the other is for when a header is not
    585  * available or otherwise appropriate.
    586  */
    587 #define	IEEE80211_DISCARD(_ic, _m, _wh, _type, _fmt, ...) do {		\
    588 	if ((_ic)->ic_debug & (_m))					\
    589 		ieee80211_discard_frame(_ic, _wh, _type, _fmt, __VA_ARGS__);\
    590 } while (0)
    591 #define	IEEE80211_DISCARD_IE(_ic, _m, _wh, _type, _fmt, ...) do {	\
    592 	if ((_ic)->ic_debug & (_m))					\
    593 		ieee80211_discard_ie(_ic, _wh, _type, _fmt, __VA_ARGS__);\
    594 } while (0)
    595 #define	IEEE80211_DISCARD_MAC(_ic, _m, _mac, _type, _fmt, ...) do {	\
    596 	if ((_ic)->ic_debug & (_m))					\
    597 		ieee80211_discard_mac(_ic, _mac, _type, _fmt, __VA_ARGS__);\
    598 } while (0)
    599 
    600 void ieee80211_discard_frame(struct ieee80211com *,
    601 	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
    602 void ieee80211_discard_ie(struct ieee80211com *,
    603 	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
    604 void ieee80211_discard_mac(struct ieee80211com *,
    605 	const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
    606 	const char *fmt, ...);
    607 #else
    608 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
    609 #define	IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...)
    610 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...)
    611 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...)
    612 #define	ieee80211_msg_dumppkts(_ic)	0
    613 #define	ieee80211_msg(_ic, _m)		0
    614 
    615 #define	IEEE80211_DISCARD(_ic, _m, _wh, _type, _fmt, ...)
    616 #define	IEEE80211_DISCARD_IE(_ic, _m, _wh, _type, _fmt, ...)
    617 #define	IEEE80211_DISCARD_MAC(_ic, _m, _mac, _type, _fmt, ...)
    618 #endif
    619 
    620 #endif /* !_NET80211_IEEE80211_VAR_H_ */
    621