2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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.
28 #ifndef _NET80211_IEEE80211_VAR_H_
29 #define _NET80211_IEEE80211_VAR_H_
32 * Definitions for IEEE 802.11 drivers.
34 /* NB: portability glue must go first */
36 #include <net80211/ieee80211_netbsd.h>
38 #include <net80211/ieee80211_freebsd.h>
40 #include <net80211/ieee80211_linux.h>
42 #error "No support for your operating system!"
45 #include <net80211/_ieee80211.h>
46 #include <net80211/ieee80211.h>
47 #include <net80211/ieee80211_ageq.h>
48 #include <net80211/ieee80211_crypto.h>
49 #include <net80211/ieee80211_dfs.h>
50 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
51 #include <net80211/ieee80211_phy.h>
52 #include <net80211/ieee80211_power.h>
53 #include <net80211/ieee80211_node.h>
54 #include <net80211/ieee80211_proto.h>
55 #include <net80211/ieee80211_radiotap.h>
56 #include <net80211/ieee80211_scan.h>
58 #define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */
59 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */
61 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
62 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
64 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
65 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
67 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
70 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
71 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
73 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
74 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
76 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
77 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
79 #define IEEE80211_FIXED_RATE_NONE 0xff
80 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
82 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
83 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
85 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
86 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
87 #define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
90 * 802.11 control state is split into a common portion that maps
91 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
92 * that are bound to an ieee80211com instance and share a single
93 * underlying device. Each VAP has a corresponding OS device
94 * entity through which traffic flows and that applications use
95 * for issuing ioctls, etc.
99 * Data common to one or more virtual AP's. State shared by
100 * the underlying device and the net80211 layer is exposed here;
101 * e.g. device-specific callbacks.
104 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
106 struct ieee80211_appie {
107 uint16_t ie_len; /* size of ie_data */
108 uint8_t ie_data[]; /* user-specified IE's */
111 struct ieee80211_tdma_param;
112 struct ieee80211_rate_table;
113 struct ieee80211_tx_ampdu;
114 struct ieee80211_rx_ampdu;
115 struct ieee80211_superg;
116 struct ieee80211_frame;
118 struct 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 taskqueue *ic_tq; /* deferred state thread */
128 struct task ic_parent_task; /* deferred parent processing */
129 struct task ic_promisc_task;/* deferred promisc update */
130 struct task ic_mcast_task; /* deferred mcast update */
131 struct task ic_chan_task; /* deferred channel change */
132 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
134 uint32_t ic_flags; /* state flags */
135 uint32_t ic_flags_ext; /* extended state flags */
136 uint32_t ic_flags_ht; /* HT state flags */
137 uint32_t ic_flags_ven; /* vendor state flags */
138 uint32_t ic_caps; /* capabilities */
139 uint32_t ic_htcaps; /* HT capabilities */
140 uint32_t ic_cryptocaps; /* crypto capabilities */
141 uint8_t ic_modecaps[2]; /* set of mode capabilities */
142 uint8_t ic_promisc; /* vap's needing promisc mode */
143 uint8_t ic_allmulti; /* vap's needing all multicast*/
144 uint8_t ic_nrunning; /* vap's marked running */
145 uint8_t ic_curmode; /* current mode */
146 uint16_t ic_bintval; /* beacon interval */
147 uint16_t ic_lintval; /* listen interval */
148 uint16_t ic_holdover; /* PM hold over duration */
149 uint16_t ic_txpowlimit; /* global tx power limit */
150 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
155 * ic_channels is the set of available channels for the device;
156 * it is setup by the driver
157 * ic_nchans is the number of valid entries in ic_channels
158 * ic_chan_avail is a bit vector of these channels used to check
159 * whether a channel is available w/o searching the channel table.
160 * ic_chan_active is a (potentially) constrained subset of
161 * ic_chan_avail that reflects any mode setting or user-specified
162 * limit on the set of channels to use/scan
163 * ic_curchan is the current channel the device is set to; it may
164 * be different from ic_bsschan when we are off-channel scanning
165 * or otherwise doing background work
166 * ic_bsschan is the channel selected for operation; it may
167 * be undefined (IEEE80211_CHAN_ANYC)
168 * ic_prevchan is a cached ``previous channel'' used to optimize
169 * lookups when switching back+forth between two channels
170 * (e.g. for dynamic turbo)
172 int ic_nchans; /* # entries in ic_channels */
173 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
174 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
175 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
176 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
177 struct ieee80211_channel *ic_curchan; /* current channel */
178 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
179 struct ieee80211_channel *ic_bsschan; /* bss channel */
180 struct ieee80211_channel *ic_prevchan; /* previous channel */
181 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
182 struct ieee80211_appie *ic_countryie; /* calculated country ie */
183 struct ieee80211_channel *ic_countryie_chan;
185 /* 802.11h/DFS state */
186 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
187 short ic_csa_mode; /* mode for doing CSA */
188 short ic_csa_count; /* count for doing CSA */
189 struct ieee80211_dfs_state ic_dfs; /* DFS state */
191 struct ieee80211_scan_state *ic_scan; /* scan state */
192 int ic_lastdata; /* time of last data frame */
193 int ic_lastscan; /* time last scan completed */
195 /* NB: this is the union of all vap stations/neighbors */
196 int ic_max_keyix; /* max h/w key index */
197 struct ieee80211_node_table ic_sta; /* stations/neighbors */
198 struct ieee80211_ageq ic_stageq; /* frame staging queue */
199 uint32_t ic_hash_key; /* random key for mac hash */
201 /* XXX multi-bss: split out common/vap parts */
202 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
204 /* XXX multi-bss: can per-vap be done/make sense? */
205 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
206 uint16_t ic_nonerpsta; /* # non-ERP stations */
207 uint16_t ic_longslotsta; /* # long slot time stations */
208 uint16_t ic_sta_assoc; /* stations associated */
209 uint16_t ic_ht_sta_assoc;/* HT stations associated */
210 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
211 uint8_t ic_curhtprotmode;/* HTINFO bss state */
212 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
213 int ic_lastnonerp; /* last time non-ERP sta noted*/
214 int ic_lastnonht; /* last time non-HT sta noted */
216 /* optional state for Atheros SuperG protocol extensions */
217 struct ieee80211_superg *ic_superg;
219 /* radiotap handling */
220 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
221 void *ic_txchan; /* channel state in ic_th */
222 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
223 void *ic_rxchan; /* channel state in ic_rh */
224 int ic_montaps; /* active monitor mode taps */
226 /* virtual ap create/delete */
227 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
228 const char name[IFNAMSIZ], int unit,
229 int opmode, int flags,
230 const uint8_t bssid[IEEE80211_ADDR_LEN],
231 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
232 void (*ic_vap_delete)(struct ieee80211vap *);
233 /* operating mode attachment */
234 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
235 /* return hardware/radio capabilities */
236 void (*ic_getradiocaps)(struct ieee80211com *,
237 int, int *, struct ieee80211_channel []);
238 /* check and/or prepare regdomain state change */
239 int (*ic_setregdomain)(struct ieee80211com *,
240 struct ieee80211_regdomain *,
241 int, struct ieee80211_channel []);
242 /* send/recv 802.11 management frame */
243 int (*ic_send_mgmt)(struct ieee80211_node *,
245 /* send raw 802.11 frame */
246 int (*ic_raw_xmit)(struct ieee80211_node *,
248 const struct ieee80211_bpf_params *);
249 /* update device state for 802.11 slot time change */
250 void (*ic_updateslot)(struct ifnet *);
251 /* handle multicast state changes */
252 void (*ic_update_mcast)(struct ifnet *);
253 /* handle promiscuous mode changes */
254 void (*ic_update_promisc)(struct ifnet *);
255 /* new station association callback/notification */
256 void (*ic_newassoc)(struct ieee80211_node *, int);
257 /* TDMA update notification */
258 void (*ic_tdma_update)(struct ieee80211_node *,
259 const struct ieee80211_tdma_param *, int);
260 /* node state management */
261 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
262 const uint8_t [IEEE80211_ADDR_LEN]);
263 void (*ic_node_free)(struct ieee80211_node *);
264 void (*ic_node_cleanup)(struct ieee80211_node *);
265 void (*ic_node_age)(struct ieee80211_node *);
266 void (*ic_node_drain)(struct ieee80211_node *);
267 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
268 void (*ic_node_getsignal)(const struct ieee80211_node*,
270 void (*ic_node_getmimoinfo)(
271 const struct ieee80211_node*,
272 struct ieee80211_mimo_info *);
273 /* scanning support */
274 void (*ic_scan_start)(struct ieee80211com *);
275 void (*ic_scan_end)(struct ieee80211com *);
276 void (*ic_set_channel)(struct ieee80211com *);
277 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
279 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
282 * 802.11n ADDBA support. A simple/generic implementation
283 * of A-MPDU tx aggregation is provided; the driver may
284 * override these methods to provide their own support.
285 * A-MPDU rx re-ordering happens automatically if the
286 * driver passes out-of-order frames to ieee80211_input
287 * from an assocated HT station.
289 int (*ic_recv_action)(struct ieee80211_node *,
290 const struct ieee80211_frame *,
291 const uint8_t *frm, const uint8_t *efrm);
292 int (*ic_send_action)(struct ieee80211_node *,
293 int category, int action, void *);
294 /* check if A-MPDU should be enabled this station+ac */
295 int (*ic_ampdu_enable)(struct ieee80211_node *,
296 struct ieee80211_tx_ampdu *);
297 /* start/stop doing A-MPDU tx aggregation for a station */
298 int (*ic_addba_request)(struct ieee80211_node *,
299 struct ieee80211_tx_ampdu *,
300 int dialogtoken, int baparamset,
302 int (*ic_addba_response)(struct ieee80211_node *,
303 struct ieee80211_tx_ampdu *,
304 int status, int baparamset, int batimeout);
305 void (*ic_addba_stop)(struct ieee80211_node *,
306 struct ieee80211_tx_ampdu *);
307 /* BAR response received */
308 void (*ic_bar_response)(struct ieee80211_node *,
309 struct ieee80211_tx_ampdu *, int status);
310 /* start/stop doing A-MPDU rx processing for a station */
311 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
312 struct ieee80211_rx_ampdu *, int baparamset,
313 int batimeout, int baseqctl);
314 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
315 struct ieee80211_rx_ampdu *);
316 uint64_t ic_spare[8];
319 struct ieee80211_aclator;
320 struct ieee80211_tdma_state;
322 struct ieee80211vap {
323 struct ifmedia iv_media; /* interface media config */
324 struct ifnet *iv_ifp; /* associated device */
325 struct bpf_if *iv_rawbpf; /* packet filter structure */
326 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
327 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
329 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
330 struct ieee80211com *iv_ic; /* back ptr to common state */
331 uint32_t iv_debug; /* debug msg flags */
332 struct ieee80211_stats iv_stats; /* statistics */
334 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
335 uint32_t iv_flags; /* state flags */
336 uint32_t iv_flags_ext; /* extended state flags */
337 uint32_t iv_flags_ht; /* HT state flags */
338 uint32_t iv_flags_ven; /* vendor state flags */
339 uint32_t iv_caps; /* capabilities */
340 uint32_t iv_htcaps; /* HT capabilities */
341 enum ieee80211_opmode iv_opmode; /* operation mode */
342 enum ieee80211_state iv_state; /* state machine state */
343 enum ieee80211_state iv_nstate; /* pending state */
344 int iv_nstate_arg; /* pending state arg */
345 struct task iv_nstate_task; /* deferred state processing */
346 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
347 struct callout iv_mgtsend; /* mgmt frame response timer */
348 /* inactivity timer settings */
349 int iv_inact_init; /* setting for new station */
350 int iv_inact_auth; /* auth but not assoc setting */
351 int iv_inact_run; /* authorized setting */
352 int iv_inact_probe; /* inactive probe time */
354 int iv_des_nssid; /* # desired ssids */
355 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
356 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
357 struct ieee80211_channel *iv_des_chan; /* desired channel */
358 uint16_t iv_des_mode; /* desired mode */
359 int iv_nicknamelen; /* XXX junk */
360 uint8_t iv_nickname[IEEE80211_NWID_LEN];
361 u_int iv_bgscanidle; /* bg scan idle threshold */
362 u_int iv_bgscanintvl; /* bg scan min interval */
363 u_int iv_scanvalid; /* scan cache valid threshold */
364 u_int iv_scanreq_duration;
365 u_int iv_scanreq_mindwell;
366 u_int iv_scanreq_maxdwell;
367 uint16_t iv_scanreq_flags;/* held scan request params */
368 uint8_t iv_scanreq_nssid;
369 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
370 /* sta-mode roaming state */
371 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
372 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
374 uint8_t iv_bmissthreshold;
375 uint8_t iv_bmiss_count; /* current beacon miss count */
376 int iv_bmiss_max; /* max bmiss before scan */
377 uint16_t iv_swbmiss_count;/* beacons in last period */
378 uint16_t iv_swbmiss_period;/* s/w bmiss period */
379 struct callout iv_swbmiss; /* s/w beacon miss timer */
381 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
382 int iv_ampdu_density;/* A-MPDU density */
383 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
384 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
385 u_int iv_ampdu_mintraffic[WME_NUM_AC];
387 uint32_t *iv_aid_bitmap; /* association id map */
389 uint16_t iv_sta_assoc; /* stations associated */
390 uint16_t iv_ps_sta; /* stations in power save */
391 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
392 uint16_t iv_txseq; /* mcast xmit seq# space */
393 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
394 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
395 uint8_t iv_dtim_period; /* DTIM period */
396 uint8_t iv_dtim_count; /* DTIM count from last bcn */
397 /* set/unset aid pwrsav state */
398 int iv_csa_count; /* count for doing CSA */
400 struct ieee80211_node *iv_bss; /* information for this node */
401 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
402 uint16_t iv_rtsthreshold;
403 uint16_t iv_fragthreshold;
404 int iv_inact_timer; /* inactivity timer wait */
405 /* application-specified IE's to attach to mgt frames */
406 struct ieee80211_appie *iv_appie_beacon;
407 struct ieee80211_appie *iv_appie_probereq;
408 struct ieee80211_appie *iv_appie_proberesp;
409 struct ieee80211_appie *iv_appie_assocreq;
410 struct ieee80211_appie *iv_appie_assocresp;
411 struct ieee80211_appie *iv_appie_wpa;
414 uint16_t iv_max_keyix; /* max h/w key index */
415 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
416 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
417 int (*iv_key_alloc)(struct ieee80211vap *,
418 struct ieee80211_key *,
419 ieee80211_keyix *, ieee80211_keyix *);
420 int (*iv_key_delete)(struct ieee80211vap *,
421 const struct ieee80211_key *);
422 int (*iv_key_set)(struct ieee80211vap *,
423 const struct ieee80211_key *,
424 const uint8_t mac[IEEE80211_ADDR_LEN]);
425 void (*iv_key_update_begin)(struct ieee80211vap *);
426 void (*iv_key_update_end)(struct ieee80211vap *);
428 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
429 void *iv_ec; /* private auth state */
431 const struct ieee80211_aclator *iv_acl; /* acl glue */
432 void *iv_as; /* private aclator state */
434 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
436 /* operate-mode detach hook */
437 void (*iv_opdetach)(struct ieee80211vap *);
438 /* receive processing */
439 int (*iv_input)(struct ieee80211_node *,
440 struct mbuf *, int, int);
441 void (*iv_recv_mgmt)(struct ieee80211_node *,
442 struct mbuf *, int, int, int);
443 void (*iv_recv_ctl)(struct ieee80211_node *,
445 void (*iv_deliver_data)(struct ieee80211vap *,
446 struct ieee80211_node *, struct mbuf *);
448 /* send processing */
449 int (*iv_send_mgmt)(struct ieee80211_node *,
452 /* beacon miss processing */
453 void (*iv_bmiss)(struct ieee80211vap *);
454 /* reset device state after 802.11 parameter/state change */
455 int (*iv_reset)(struct ieee80211vap *, u_long);
456 /* [schedule] beacon frame update */
457 void (*iv_update_beacon)(struct ieee80211vap *, int);
458 /* power save handling */
459 void (*iv_update_ps)(struct ieee80211vap *, int);
460 int (*iv_set_tim)(struct ieee80211_node *, int);
461 /* state machine processing */
462 int (*iv_newstate)(struct ieee80211vap *,
463 enum ieee80211_state, int);
464 /* 802.3 output method for raw frame xmit */
465 int (*iv_output)(struct ifnet *, struct mbuf *,
466 struct sockaddr *, struct route *);
467 uint64_t iv_spare[8];
469 MALLOC_DECLARE(M_80211_VAP);
471 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
472 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
474 /* ic_flags/iv_flags */
475 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
476 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
477 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
478 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
479 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
480 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
481 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
482 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
483 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
484 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
485 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
486 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
487 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
488 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
489 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
490 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
491 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
492 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
493 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
494 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
495 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
496 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
497 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
498 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
499 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
500 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
501 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
502 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
503 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
504 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
505 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
506 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
507 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
508 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
510 #define IEEE80211_F_BITS \
511 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
512 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
513 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
514 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
517 /* Atheros protocol-specific flags */
518 #define IEEE80211_F_ATHEROS \
519 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
520 /* Check if an Atheros capability was negotiated for use */
521 #define IEEE80211_ATH_CAP(vap, ni, bit) \
522 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
524 /* ic_flags_ext/iv_flags_ext */
525 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
526 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
527 /* 0x00000006 reserved */
528 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
529 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
530 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
531 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
532 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
533 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
534 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
535 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
536 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
537 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
538 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
539 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
540 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
541 /* NB: immutable: should be set only when creating a vap */
542 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
543 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
545 #define IEEE80211_FEXT_BITS \
546 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
547 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
548 "\20BPF\21WDSLEGACY\22PROBECHAN"
550 /* ic_flags_ht/iv_flags_ht */
551 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
552 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
553 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
554 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
555 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
556 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
557 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
558 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
559 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
560 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
561 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
562 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
563 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
564 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
565 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
567 #define IEEE80211_FHT_BITS \
569 "\23GF\24HT\25AMDPU_TX\26AMPDU_TX" \
570 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
571 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
573 #define IEEE80211_FVEN_BITS "\20"
575 /* ic_caps/iv_caps: device driver capabilities */
577 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
578 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
579 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
580 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
581 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
582 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
583 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
584 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
585 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
586 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
587 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
588 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
589 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
590 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
591 /* 0x7c0000 available */
592 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
593 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
594 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
595 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
596 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
597 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
598 /* 0x10000000 reserved */
599 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
600 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
601 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
602 /* XXX protection/barker? */
604 #define IEEE80211_C_OPMODE \
605 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
606 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
609 #define IEEE80211_C_BITS \
610 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
611 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
612 "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
616 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
618 * NB: the low 16-bits are the 802.11 definitions, the upper
619 * 16-bits are used to define s/w/driver capabilities.
621 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
622 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
623 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
624 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
625 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
626 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
628 #define IEEE80211_C_HTCAP_BITS \
629 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
630 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
632 void ieee80211_ifattach(struct ieee80211com *,
633 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
634 void ieee80211_ifdetach(struct ieee80211com *);
635 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
636 const char name[IFNAMSIZ], int unit, int opmode, int flags,
637 const uint8_t bssid[IEEE80211_ADDR_LEN],
638 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
639 int ieee80211_vap_attach(struct ieee80211vap *,
640 ifm_change_cb_t, ifm_stat_cb_t);
641 void ieee80211_vap_detach(struct ieee80211vap *);
642 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
643 const struct ieee80211_channel *);
644 void ieee80211_announce(struct ieee80211com *);
645 void ieee80211_announce_channels(struct ieee80211com *);
646 void ieee80211_drain(struct ieee80211com *);
647 void ieee80211_media_init(struct ieee80211com *);
648 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
649 int ieee80211_media_change(struct ifnet *);
650 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
651 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
652 int ieee80211_rate2media(struct ieee80211com *, int,
653 enum ieee80211_phymode);
654 int ieee80211_media2rate(int);
655 int ieee80211_mhz2ieee(u_int, u_int);
656 int ieee80211_chan2ieee(struct ieee80211com *,
657 const struct ieee80211_channel *);
658 u_int ieee80211_ieee2mhz(u_int, u_int);
659 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
660 int freq, int flags);
661 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
662 int ieee, int flags);
663 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
664 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
665 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
666 const uint8_t addr[IEEE80211_ADDR_LEN]);
668 void ieee80211_radiotap_attach(struct ieee80211com *,
669 struct ieee80211_radiotap_header *th, int tlen,
670 uint32_t tx_radiotap,
671 struct ieee80211_radiotap_header *rh, int rlen,
672 uint32_t rx_radiotap);
673 void ieee80211_radiotap_detach(struct ieee80211com *);
674 void ieee80211_radiotap_vattach(struct ieee80211vap *);
675 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
676 void ieee80211_radiotap_chan_change(struct ieee80211com *);
677 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
678 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
679 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
682 ieee80211_radiotap_active(const struct ieee80211com *ic)
684 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
688 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
690 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
691 vap->iv_ic->ic_montaps != 0;
695 * Enqueue a task on the state thread.
698 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
700 taskqueue_enqueue(ic->ic_tq, task);
704 * Wait for a queued task to complete.
707 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
709 taskqueue_drain(ic->ic_tq, task);
713 * Key update synchronization methods. XXX should not be visible.
716 ieee80211_key_update_begin(struct ieee80211vap *vap)
718 vap->iv_key_update_begin(vap);
721 ieee80211_key_update_end(struct ieee80211vap *vap)
723 vap->iv_key_update_end(vap);
727 * XXX these need to be here for IEEE80211_F_DATAPAD
731 * Return the space occupied by the 802.11 header and any
732 * padding required by the driver. This works for a
733 * management or data frame.
736 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
738 int size = ieee80211_hdrsize(data);
739 if (ic->ic_flags & IEEE80211_F_DATAPAD)
740 size = roundup(size, sizeof(uint32_t));
745 * Like ieee80211_hdrspace, but handles any type of frame.
748 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
750 int size = ieee80211_anyhdrsize(data);
751 if (ic->ic_flags & IEEE80211_F_DATAPAD)
752 size = roundup(size, sizeof(uint32_t));
757 * Notify a vap that beacon state has been updated.
760 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
762 if (vap->iv_state == IEEE80211_S_RUN)
763 vap->iv_update_beacon(vap, what);
767 * Calculate HT channel promotion flags for a channel.
768 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
771 ieee80211_htchanflags(const struct ieee80211_channel *c)
773 return IEEE80211_IS_CHAN_HT40(c) ?
774 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
775 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
779 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
781 * The intent is that any problem in the net80211 layer can be
782 * diagnosed by inspecting the statistics (dumped by the wlanstats
783 * program) and/or the msgs generated by net80211. Messages are
784 * broken into functional classes and can be controlled with the
785 * wlandebug program. Certain of these msg groups are for facilities
786 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
788 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
789 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
790 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
791 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
792 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
793 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
794 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
795 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
796 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
797 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
798 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
799 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
800 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
801 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
802 #define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */
803 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
804 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
805 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
806 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
807 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
808 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
809 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
810 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
811 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
812 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
813 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
814 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
815 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
816 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
817 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
818 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
820 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
822 #define IEEE80211_MSG_BITS \
823 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
824 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
825 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
826 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
828 #ifdef IEEE80211_DEBUG
829 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
830 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
831 if (ieee80211_msg(_vap, _m)) \
832 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
834 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
835 if (ieee80211_msg(_vap, _m)) \
836 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
838 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
839 if (ieee80211_msg(_vap, _m)) \
840 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
842 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
843 if (ieee80211_msg(_vap, _m)) \
844 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
846 void ieee80211_note(struct ieee80211vap *, const char *, ...);
847 void ieee80211_note_mac(struct ieee80211vap *,
848 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
849 void ieee80211_note_frame(struct ieee80211vap *,
850 const struct ieee80211_frame *, const char *, ...);
851 #define ieee80211_msg_debug(_vap) \
852 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
853 #define ieee80211_msg_dumppkts(_vap) \
854 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
855 #define ieee80211_msg_input(_vap) \
856 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
857 #define ieee80211_msg_radius(_vap) \
858 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
859 #define ieee80211_msg_dumpradius(_vap) \
860 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
861 #define ieee80211_msg_dumpradkeys(_vap) \
862 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
863 #define ieee80211_msg_scan(_vap) \
864 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
865 #define ieee80211_msg_assoc(_vap) \
866 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
869 * Emit a debug message about discarding a frame or information
870 * element. One format is for extracting the mac address from
871 * the frame header; the other is for when a header is not
872 * available or otherwise appropriate.
874 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
875 if ((_vap)->iv_debug & (_m)) \
876 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
878 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
879 if ((_vap)->iv_debug & (_m)) \
880 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
882 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
883 if ((_vap)->iv_debug & (_m)) \
884 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
887 void ieee80211_discard_frame(struct ieee80211vap *,
888 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
889 void ieee80211_discard_ie(struct ieee80211vap *,
890 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
891 void ieee80211_discard_mac(struct ieee80211vap *,
892 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
893 const char *fmt, ...);
895 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
896 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
897 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
898 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
899 #define ieee80211_msg_dumppkts(_vap) 0
900 #define ieee80211_msg(_vap, _m) 0
902 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
903 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
904 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
907 #endif /* _NET80211_IEEE80211_VAR_H_ */