2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef _NET80211_IEEE80211_VAR_H_
31 #define _NET80211_IEEE80211_VAR_H_
34 * Definitions for IEEE 802.11 drivers.
36 /* NB: portability glue must go first */
37 #if defined(__NetBSD__)
38 #include <net80211/ieee80211_netbsd.h>
39 #elif defined(__FreeBSD__)
40 #include <net80211/ieee80211_freebsd.h>
41 #elif defined(__linux__)
42 #include <net80211/ieee80211_linux.h>
44 #error "No support for your operating system!"
47 #include <net80211/_ieee80211.h>
48 #include <net80211/ieee80211.h>
49 #include <net80211/ieee80211_ageq.h>
50 #include <net80211/ieee80211_crypto.h>
51 #include <net80211/ieee80211_dfs.h>
52 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
53 #include <net80211/ieee80211_phy.h>
54 #include <net80211/ieee80211_power.h>
55 #include <net80211/ieee80211_node.h>
56 #include <net80211/ieee80211_proto.h>
57 #include <net80211/ieee80211_radiotap.h>
58 #include <net80211/ieee80211_scan.h>
60 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */
61 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */
63 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
64 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
66 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
67 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
69 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
70 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
72 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
73 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
75 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
76 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
78 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
79 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
81 #define IEEE80211_FIXED_RATE_NONE 0xff
82 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
84 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
85 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
87 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
88 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
89 /* XXX TODO: cap this at 1, in case hz is not 1000 */
90 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000))
93 * Technically, vhtflags may be 0 /and/ 11ac is enabled.
94 * At some point ic should just grow a flag somewhere that
95 * says that VHT is supported - and then this macro can be
98 #define IEEE80211_CONF_VHT(ic) \
99 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
101 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \
102 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
103 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
104 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD)
107 * 802.11 control state is split into a common portion that maps
108 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
109 * that are bound to an ieee80211com instance and share a single
110 * underlying device. Each VAP has a corresponding OS device
111 * entity through which traffic flows and that applications use
112 * for issuing ioctls, etc.
116 * Data common to one or more virtual AP's. State shared by
117 * the underlying device and the net80211 layer is exposed here;
118 * e.g. device-specific callbacks.
121 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
123 struct ieee80211_appie {
124 uint16_t ie_len; /* size of ie_data */
125 uint8_t ie_data[]; /* user-specified IE's */
128 struct ieee80211_tdma_param;
129 struct ieee80211_rate_table;
130 struct ieee80211_tx_ampdu;
131 struct ieee80211_rx_ampdu;
132 struct ieee80211_superg;
133 struct ieee80211_frame;
135 struct net80211dump_methods;
137 struct ieee80211com {
138 void *ic_softc; /* driver softc */
139 const char *ic_name; /* usually device name */
140 ieee80211_com_lock_t ic_comlock; /* state update lock */
141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
145 int ic_headroom; /* driver tx headroom needs */
146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
147 enum ieee80211_opmode ic_opmode; /* operation mode */
148 struct callout ic_inact; /* inactivity processing */
149 struct taskqueue *ic_tq; /* deferred state thread */
150 struct task ic_parent_task; /* deferred parent processing */
151 struct task ic_promisc_task;/* deferred promisc update */
152 struct task ic_mcast_task; /* deferred mcast update */
153 struct task ic_chan_task; /* deferred channel change */
154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
155 struct task ic_chw_task; /* deferred HT CHW update */
156 struct task ic_restart_task; /* deferred device restart */
158 counter_u64_t ic_ierrors; /* input errors */
159 counter_u64_t ic_oerrors; /* output errors */
161 uint32_t ic_flags; /* state flags */
162 uint32_t ic_flags_ext; /* extended state flags */
163 uint32_t ic_flags_ht; /* HT state flags */
164 uint32_t ic_flags_ven; /* vendor state flags */
165 uint32_t ic_caps; /* capabilities */
166 uint32_t ic_htcaps; /* HT capabilities */
167 uint32_t ic_htextcaps; /* HT extended capabilities */
168 uint32_t ic_cryptocaps; /* crypto capabilities */
169 /* set of mode capabilities */
170 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
171 uint8_t ic_promisc; /* vap's needing promisc mode */
172 uint8_t ic_allmulti; /* vap's needing all multicast*/
173 uint8_t ic_nrunning; /* vap's marked running */
174 uint8_t ic_curmode; /* current mode */
175 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
176 uint16_t ic_bintval; /* beacon interval */
177 uint16_t ic_lintval; /* listen interval */
178 uint16_t ic_holdover; /* PM hold over duration */
179 uint16_t ic_txpowlimit; /* global tx power limit */
180 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
181 struct ieee80211_htrateset ic_sup_htrates;
186 * ic_channels is the set of available channels for the device;
187 * it is setup by the driver
188 * ic_nchans is the number of valid entries in ic_channels
189 * ic_chan_avail is a bit vector of these channels used to check
190 * whether a channel is available w/o searching the channel table.
191 * ic_chan_active is a (potentially) constrained subset of
192 * ic_chan_avail that reflects any mode setting or user-specified
193 * limit on the set of channels to use/scan
194 * ic_curchan is the current channel the device is set to; it may
195 * be different from ic_bsschan when we are off-channel scanning
196 * or otherwise doing background work
197 * ic_bsschan is the channel selected for operation; it may
198 * be undefined (IEEE80211_CHAN_ANYC)
199 * ic_prevchan is a cached ``previous channel'' used to optimize
200 * lookups when switching back+forth between two channels
201 * (e.g. for dynamic turbo)
203 int ic_nchans; /* # entries in ic_channels */
204 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
205 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
206 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
207 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
208 struct ieee80211_channel *ic_curchan; /* current channel */
209 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
210 struct ieee80211_channel *ic_bsschan; /* bss channel */
211 struct ieee80211_channel *ic_prevchan; /* previous channel */
212 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
213 struct ieee80211_appie *ic_countryie; /* calculated country ie */
214 struct ieee80211_channel *ic_countryie_chan;
216 /* 802.11h/DFS state */
217 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
218 short ic_csa_mode; /* mode for doing CSA */
219 short ic_csa_count; /* count for doing CSA */
220 struct ieee80211_dfs_state ic_dfs; /* DFS state */
222 struct ieee80211_scan_state *ic_scan; /* scan state */
223 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
224 int ic_lastdata; /* time of last data frame */
225 int ic_lastscan; /* time last scan completed */
227 /* NB: this is the union of all vap stations/neighbors */
228 int ic_max_keyix; /* max h/w key index */
229 struct ieee80211_node_table ic_sta; /* stations/neighbors */
230 struct ieee80211_ageq ic_stageq; /* frame staging queue */
231 uint32_t ic_hash_key; /* random key for mac hash */
233 /* XXX multi-bss: split out common/vap parts */
234 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
236 /* Protection mode for net80211 driven channel NICs */
237 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
238 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
239 uint8_t ic_curhtprotmode;/* HTINFO bss state */
241 uint8_t ic_rxstream; /* # RX streams */
242 uint8_t ic_txstream; /* # TX streams */
244 /* VHT information */
245 uint32_t ic_vhtcaps; /* VHT capabilities */
246 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
247 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */
248 uint32_t ic_flags_vht; /* VHT state flags */
249 uint32_t ic_vht_spare[3];
251 /* optional state for Atheros SuperG protocol extensions */
252 struct ieee80211_superg *ic_superg;
254 /* radiotap handling */
255 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
256 void *ic_txchan; /* channel state in ic_th */
257 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
258 void *ic_rxchan; /* channel state in ic_rh */
259 int ic_montaps; /* active monitor mode taps */
261 /* virtual ap create/delete */
262 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
263 const char [IFNAMSIZ], int,
264 enum ieee80211_opmode, int,
265 const uint8_t [IEEE80211_ADDR_LEN],
266 const uint8_t [IEEE80211_ADDR_LEN]);
267 void (*ic_vap_delete)(struct ieee80211vap *);
268 /* device specific ioctls */
269 int (*ic_ioctl)(struct ieee80211com *,
271 /* start/stop device */
272 void (*ic_parent)(struct ieee80211com *);
273 /* operating mode attachment */
274 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
275 /* return hardware/radio capabilities */
276 void (*ic_getradiocaps)(struct ieee80211com *,
277 int, int *, struct ieee80211_channel []);
278 /* check and/or prepare regdomain state change */
279 int (*ic_setregdomain)(struct ieee80211com *,
280 struct ieee80211_regdomain *,
281 int, struct ieee80211_channel []);
283 int (*ic_set_quiet)(struct ieee80211_node *,
284 u_int8_t *quiet_elm);
286 /* regular transmit */
287 int (*ic_transmit)(struct ieee80211com *,
289 /* send/recv 802.11 management frame */
290 int (*ic_send_mgmt)(struct ieee80211_node *,
292 /* send raw 802.11 frame */
293 int (*ic_raw_xmit)(struct ieee80211_node *,
295 const struct ieee80211_bpf_params *);
296 /* update device state for 802.11 slot time change */
297 void (*ic_updateslot)(struct ieee80211com *);
298 /* handle multicast state changes */
299 void (*ic_update_mcast)(struct ieee80211com *);
300 /* handle promiscuous mode changes */
301 void (*ic_update_promisc)(struct ieee80211com *);
302 /* new station association callback/notification */
303 void (*ic_newassoc)(struct ieee80211_node *, int);
304 /* TDMA update notification */
305 void (*ic_tdma_update)(struct ieee80211_node *,
306 const struct ieee80211_tdma_param *, int);
308 /* Node state management */
310 /* Allocate a new node */
311 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
312 const uint8_t [IEEE80211_ADDR_LEN]);
314 /* Driver node initialisation after net80211 setup */
315 int (*ic_node_init)(struct ieee80211_node *);
317 /* Driver node deallocation */
318 void (*ic_node_free)(struct ieee80211_node *);
320 /* Driver node state cleanup before deallocation */
321 void (*ic_node_cleanup)(struct ieee80211_node *);
323 void (*ic_node_age)(struct ieee80211_node *);
324 void (*ic_node_drain)(struct ieee80211_node *);
325 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
326 void (*ic_node_getsignal)(const struct ieee80211_node*,
328 void (*ic_node_getmimoinfo)(
329 const struct ieee80211_node*,
330 struct ieee80211_mimo_info *);
331 /* scanning support */
332 void (*ic_scan_start)(struct ieee80211com *);
333 void (*ic_scan_end)(struct ieee80211com *);
334 void (*ic_set_channel)(struct ieee80211com *);
335 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
337 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
340 * 802.11n ADDBA support. A simple/generic implementation
341 * of A-MPDU tx aggregation is provided; the driver may
342 * override these methods to provide their own support.
343 * A-MPDU rx re-ordering happens automatically if the
344 * driver passes out-of-order frames to ieee80211_input
345 * from an assocated HT station.
347 int (*ic_recv_action)(struct ieee80211_node *,
348 const struct ieee80211_frame *,
349 const uint8_t *frm, const uint8_t *efrm);
350 int (*ic_send_action)(struct ieee80211_node *,
351 int category, int action, void *);
352 /* check if A-MPDU should be enabled this station+ac */
353 int (*ic_ampdu_enable)(struct ieee80211_node *,
354 struct ieee80211_tx_ampdu *);
355 /* start/stop doing A-MPDU tx aggregation for a station */
356 int (*ic_addba_request)(struct ieee80211_node *,
357 struct ieee80211_tx_ampdu *,
358 int dialogtoken, int baparamset,
360 int (*ic_addba_response)(struct ieee80211_node *,
361 struct ieee80211_tx_ampdu *,
362 int status, int baparamset, int batimeout);
363 void (*ic_addba_stop)(struct ieee80211_node *,
364 struct ieee80211_tx_ampdu *);
365 void (*ic_addba_response_timeout)(struct ieee80211_node *,
366 struct ieee80211_tx_ampdu *);
367 /* BAR response received */
368 void (*ic_bar_response)(struct ieee80211_node *,
369 struct ieee80211_tx_ampdu *, int status);
370 /* start/stop doing A-MPDU rx processing for a station */
371 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
372 struct ieee80211_rx_ampdu *, int baparamset,
373 int batimeout, int baseqctl);
374 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
375 struct ieee80211_rx_ampdu *);
377 /* The channel width has changed (20<->2040) */
378 void (*ic_update_chw)(struct ieee80211com *);
380 const struct debugnet80211_methods *ic_debugnet_meth;
381 uint64_t ic_spare[7];
384 struct ieee80211_aclator;
385 struct ieee80211_tdma_state;
386 struct ieee80211_mesh_state;
387 struct ieee80211_hwmp_state;
388 struct ieee80211_rx_histogram;
389 struct ieee80211_tx_histogram;
391 struct ieee80211vap {
392 struct ifmedia iv_media; /* interface media config */
393 struct ifnet *iv_ifp; /* associated device */
394 struct bpf_if *iv_rawbpf; /* packet filter structure */
395 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
396 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
398 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
399 struct ieee80211com *iv_ic; /* back ptr to common state */
400 /* MAC address: ifp or ic */
401 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
402 uint32_t iv_debug; /* debug msg flags */
403 struct ieee80211_stats iv_stats; /* statistics */
405 uint32_t iv_flags; /* state flags */
406 uint32_t iv_flags_ext; /* extended state flags */
407 uint32_t iv_flags_ht; /* HT state flags */
408 uint32_t iv_flags_ven; /* vendor state flags */
409 uint32_t iv_ifflags; /* ifnet flags */
410 uint32_t iv_caps; /* capabilities */
411 uint32_t iv_htcaps; /* HT capabilities */
412 uint32_t iv_htextcaps; /* HT extended capabilities */
413 uint32_t iv_com_state; /* com usage / detached flag */
414 enum ieee80211_opmode iv_opmode; /* operation mode */
415 enum ieee80211_state iv_state; /* state machine state */
416 enum ieee80211_state iv_nstate; /* pending state */
417 int iv_nstate_arg; /* pending state arg */
418 struct task iv_nstate_task; /* deferred state processing */
419 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
420 struct callout iv_mgtsend; /* mgmt frame response timer */
421 /* inactivity timer settings */
422 int iv_inact_init; /* setting for new station */
423 int iv_inact_auth; /* auth but not assoc setting */
424 int iv_inact_run; /* authorized setting */
425 int iv_inact_probe; /* inactive probe time */
428 uint32_t iv_flags_vht; /* VHT state flags */
429 uint32_t iv_vhtcaps; /* VHT capabilities */
430 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
431 struct ieee80211_vht_mcs_info iv_vht_mcsinfo;
432 uint32_t iv_vht_spare[4];
434 int iv_des_nssid; /* # desired ssids */
435 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
436 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
437 struct ieee80211_channel *iv_des_chan; /* desired channel */
438 uint16_t iv_des_mode; /* desired mode */
439 int iv_nicknamelen; /* XXX junk */
440 uint8_t iv_nickname[IEEE80211_NWID_LEN];
441 u_int iv_bgscanidle; /* bg scan idle threshold */
442 u_int iv_bgscanintvl; /* bg scan min interval */
443 u_int iv_scanvalid; /* scan cache valid threshold */
444 u_int iv_scanreq_duration;
445 u_int iv_scanreq_mindwell;
446 u_int iv_scanreq_maxdwell;
447 uint16_t iv_scanreq_flags;/* held scan request params */
448 uint8_t iv_scanreq_nssid;
449 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
450 /* sta-mode roaming state */
451 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
452 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
454 uint8_t iv_bmissthreshold;
455 uint8_t iv_bmiss_count; /* current beacon miss count */
456 int iv_bmiss_max; /* max bmiss before scan */
457 uint16_t iv_swbmiss_count;/* beacons in last period */
458 uint16_t iv_swbmiss_period;/* s/w bmiss period */
459 struct callout iv_swbmiss; /* s/w beacon miss timer */
461 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
462 int iv_ampdu_density;/* A-MPDU density */
463 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
464 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
465 u_int iv_ampdu_mintraffic[WME_NUM_AC];
467 struct ieee80211_beacon_offsets iv_bcn_off;
468 uint32_t *iv_aid_bitmap; /* association id map */
470 uint16_t iv_sta_assoc; /* stations associated */
471 uint16_t iv_ps_sta; /* stations in power save */
472 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
473 uint16_t iv_txseq; /* mcast xmit seq# space */
474 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
475 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
476 uint8_t iv_dtim_period; /* DTIM period */
477 uint8_t iv_dtim_count; /* DTIM count from last bcn */
478 /* set/unset aid pwrsav state */
479 uint8_t iv_quiet; /* Quiet Element */
480 uint8_t iv_quiet_count; /* constant count for Quiet Element */
481 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
482 uint8_t iv_quiet_period; /* period for Quiet Element */
483 uint16_t iv_quiet_duration; /* duration for Quiet Element */
484 uint16_t iv_quiet_offset; /* offset for Quiet Element */
485 int iv_csa_count; /* count for doing CSA */
487 struct ieee80211_node *iv_bss; /* information for this node */
488 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
489 uint16_t iv_rtsthreshold;
490 uint16_t iv_fragthreshold;
491 int iv_inact_timer; /* inactivity timer wait */
492 /* application-specified IE's to attach to mgt frames */
493 struct ieee80211_appie *iv_appie_beacon;
494 struct ieee80211_appie *iv_appie_probereq;
495 struct ieee80211_appie *iv_appie_proberesp;
496 struct ieee80211_appie *iv_appie_assocreq;
497 struct ieee80211_appie *iv_appie_assocresp;
498 struct ieee80211_appie *iv_appie_wpa;
503 uint16_t iv_max_keyix; /* max h/w key index */
504 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
505 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
506 int (*iv_key_alloc)(struct ieee80211vap *,
507 struct ieee80211_key *,
508 ieee80211_keyix *, ieee80211_keyix *);
509 int (*iv_key_delete)(struct ieee80211vap *,
510 const struct ieee80211_key *);
511 int (*iv_key_set)(struct ieee80211vap *,
512 const struct ieee80211_key *);
513 void (*iv_key_update_begin)(struct ieee80211vap *);
514 void (*iv_key_update_end)(struct ieee80211vap *);
515 void (*iv_update_deftxkey)(struct ieee80211vap *,
516 ieee80211_keyix deftxkey);
518 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
519 void *iv_ec; /* private auth state */
521 const struct ieee80211_aclator *iv_acl; /* acl glue */
522 void *iv_as; /* private aclator state */
524 const struct ieee80211_ratectl *iv_rate;
525 void *iv_rs; /* private ratectl state */
527 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
528 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
529 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
531 /* operate-mode detach hook */
532 void (*iv_opdetach)(struct ieee80211vap *);
533 /* receive processing */
534 int (*iv_input)(struct ieee80211_node *,
536 const struct ieee80211_rx_stats *,
538 void (*iv_recv_mgmt)(struct ieee80211_node *,
540 const struct ieee80211_rx_stats *,
542 void (*iv_recv_ctl)(struct ieee80211_node *,
544 void (*iv_deliver_data)(struct ieee80211vap *,
545 struct ieee80211_node *, struct mbuf *);
547 /* send processing */
548 int (*iv_send_mgmt)(struct ieee80211_node *,
551 /* beacon miss processing */
552 void (*iv_bmiss)(struct ieee80211vap *);
553 /* reset device state after 802.11 parameter/state change */
554 int (*iv_reset)(struct ieee80211vap *, u_long);
555 /* [schedule] beacon frame update */
556 void (*iv_update_beacon)(struct ieee80211vap *, int);
557 /* power save handling */
558 void (*iv_update_ps)(struct ieee80211vap *, int);
559 int (*iv_set_tim)(struct ieee80211_node *, int);
560 void (*iv_node_ps)(struct ieee80211_node *, int);
561 void (*iv_sta_ps)(struct ieee80211vap *, int);
562 void (*iv_recv_pspoll)(struct ieee80211_node *,
565 /* state machine processing */
566 int (*iv_newstate)(struct ieee80211vap *,
567 enum ieee80211_state, int);
568 /* 802.3 output method for raw frame xmit */
569 int (*iv_output)(struct ifnet *, struct mbuf *,
570 const struct sockaddr *, struct route *);
572 int (*iv_wme_update)(struct ieee80211vap *,
573 const struct wmeParams *wme_params);
574 struct task iv_wme_task; /* deferred VAP WME update */
576 /* associated state; protection mode */
577 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */
578 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */
579 uint8_t iv_curhtprotmode;/* HTINFO bss state */
581 uint16_t iv_nonerpsta; /* # non-ERP stations */
582 uint16_t iv_longslotsta; /* # long slot time stations */
583 uint16_t iv_ht_sta_assoc;/* HT stations associated */
584 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */
585 int iv_lastnonerp; /* last time non-ERP sta noted*/
586 int iv_lastnonht; /* last time non-HT sta noted */
588 /* update device state for 802.11 slot time change */
589 void (*iv_updateslot)(struct ieee80211vap *);
590 struct task iv_slot_task; /* deferred slot time update */
592 struct task iv_erp_protmode_task; /* deferred ERP protmode update */
593 void (*iv_erp_protmode_update)(struct ieee80211vap *);
595 struct task iv_preamble_task; /* deferred short/barker preamble update */
596 void (*iv_preamble_update)(struct ieee80211vap *);
598 struct task iv_ht_protmode_task; /* deferred HT protmode update */
599 void (*iv_ht_protmode_update)(struct ieee80211vap *);
601 /* per-vap U-APSD state */
602 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */
604 /* Optional transmit/receive histogram statistics */
605 struct ieee80211_rx_histogram *rx_histogram;
606 struct ieee80211_tx_histogram *tx_histogram;
608 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
609 struct ieee80211_node *);
614 uint64_t iv_spare[5];
616 MALLOC_DECLARE(M_80211_VAP);
618 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
619 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
621 /* ic_flags/iv_flags */
622 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
623 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
624 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
625 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
626 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
627 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
628 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
629 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
630 /* 0x00000300 reserved */
631 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
632 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
633 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
634 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
635 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
636 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
637 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
638 /* 0x00030000 reserved */
639 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
640 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
641 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
642 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
643 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
644 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
645 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
646 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
647 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
648 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
649 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
650 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
651 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
652 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
653 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
655 #define IEEE80211_F_BITS \
656 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
657 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
658 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
659 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
662 /* Atheros protocol-specific flags */
663 #define IEEE80211_F_ATHEROS \
664 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
665 /* Check if an Atheros capability was negotiated for use */
666 #define IEEE80211_ATH_CAP(vap, ni, bit) \
667 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
669 /* ic_flags_ext/iv_flags_ext */
670 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
671 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
672 /* 0x00000006 reserved */
673 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
674 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
675 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
676 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
677 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
678 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
679 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
680 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
681 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
682 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
683 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
684 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
685 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
686 /* NB: immutable: should be set only when creating a vap */
687 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
688 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
689 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
690 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
691 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
692 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
693 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
694 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
695 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */
697 #define IEEE80211_FEXT_BITS \
698 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
699 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
700 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
701 "\26FRAG_OFFLOAD\27VHT" \
702 "\30QUIET_IE\31UAPSD"
704 /* ic_flags_ht/iv_flags_ht */
705 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
706 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
707 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
708 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
709 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
710 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
711 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
712 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
713 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
714 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
715 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
716 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
717 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
718 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
719 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
720 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
721 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
723 #define IEEE80211_FHT_BITS \
725 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
726 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
727 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
729 #define IEEE80211_FVEN_BITS "\20"
731 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
732 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
733 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
734 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */
735 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */
736 #define IEEE80211_FVHT_MASK \
737 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \
738 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \
739 IEEE80211_FVHT_USEVHT80P80)
740 #define IEEE80211_VFHT_BITS \
741 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80"
743 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */
744 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */
745 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */
746 #define IEEE80211_COM_REF_S 1
747 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S)
749 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
750 void ieee80211_ifattach(struct ieee80211com *);
751 void ieee80211_ifdetach(struct ieee80211com *);
752 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
753 const char name[IFNAMSIZ], int unit,
754 enum ieee80211_opmode opmode, int flags,
755 const uint8_t bssid[IEEE80211_ADDR_LEN]);
756 int ieee80211_vap_attach(struct ieee80211vap *,
757 ifm_change_cb_t, ifm_stat_cb_t,
758 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
759 void ieee80211_vap_detach(struct ieee80211vap *);
760 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
761 const struct ieee80211_channel *);
762 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
763 struct ieee80211com *, const struct ieee80211_channel *);
764 void ieee80211_announce(struct ieee80211com *);
765 void ieee80211_announce_channels(struct ieee80211com *);
766 void ieee80211_drain(struct ieee80211com *);
767 void ieee80211_chan_init(struct ieee80211com *);
768 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
769 struct ieee80211com *ieee80211_find_com(const char *name);
770 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
771 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
772 int ieee80211_media_change(struct ifnet *);
773 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
774 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
775 int ieee80211_rate2media(struct ieee80211com *, int,
776 enum ieee80211_phymode);
777 int ieee80211_media2rate(int);
778 int ieee80211_mhz2ieee(u_int, u_int);
779 int ieee80211_chan2ieee(struct ieee80211com *,
780 const struct ieee80211_channel *);
781 u_int ieee80211_ieee2mhz(u_int, u_int);
782 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
783 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
784 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
785 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
786 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
787 uint8_t, int8_t, uint32_t);
788 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
789 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
790 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
791 #define NET80211_CBW_FLAG_HT40 0x01
792 #define NET80211_CBW_FLAG_VHT80 0x02
793 #define NET80211_CBW_FLAG_VHT160 0x04
794 #define NET80211_CBW_FLAG_VHT80P80 0x08
795 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
796 const uint8_t[], int, const uint8_t[], int);
797 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
798 int *, const uint8_t[], int);
799 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
800 const uint8_t[], int, const uint8_t[], int);
801 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
802 int freq, int flags);
803 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
804 int ieee, int flags);
805 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
806 const struct ieee80211_rx_stats *);
807 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
808 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
809 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
810 const uint8_t addr[IEEE80211_ADDR_LEN]);
811 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
813 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
814 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
815 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
817 void ieee80211_radiotap_attach(struct ieee80211com *,
818 struct ieee80211_radiotap_header *th, int tlen,
819 uint32_t tx_radiotap,
820 struct ieee80211_radiotap_header *rh, int rlen,
821 uint32_t rx_radiotap);
822 void ieee80211_radiotap_attachv(struct ieee80211com *,
823 struct ieee80211_radiotap_header *th,
824 int tlen, int n_tx_v, uint32_t tx_radiotap,
825 struct ieee80211_radiotap_header *rh,
826 int rlen, int n_rx_v, uint32_t rx_radiotap);
827 void ieee80211_radiotap_detach(struct ieee80211com *);
828 void ieee80211_radiotap_vattach(struct ieee80211vap *);
829 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
830 void ieee80211_radiotap_chan_change(struct ieee80211com *);
831 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
832 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
833 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
836 ieee80211_radiotap_active(const struct ieee80211com *ic)
838 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
842 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
844 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
845 vap->iv_ic->ic_montaps != 0;
849 * Enqueue a task on the state thread.
852 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
854 taskqueue_enqueue(ic->ic_tq, task);
858 * Wait for a queued task to complete.
861 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
863 taskqueue_drain(ic->ic_tq, task);
867 * Key update synchronization methods. XXX should not be visible.
870 ieee80211_key_update_begin(struct ieee80211vap *vap)
872 vap->iv_key_update_begin(vap);
875 ieee80211_key_update_end(struct ieee80211vap *vap)
877 vap->iv_key_update_end(vap);
881 * XXX these need to be here for IEEE80211_F_DATAPAD
885 * Return the space occupied by the 802.11 header and any
886 * padding required by the driver. This works for a
887 * management or data frame.
890 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
892 int size = ieee80211_hdrsize(data);
893 if (ic->ic_flags & IEEE80211_F_DATAPAD)
894 size = roundup(size, sizeof(uint32_t));
899 * Like ieee80211_hdrspace, but handles any type of frame.
902 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
904 int size = ieee80211_anyhdrsize(data);
905 if (ic->ic_flags & IEEE80211_F_DATAPAD)
906 size = roundup(size, sizeof(uint32_t));
911 * Notify a vap that beacon state has been updated.
914 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
916 if (vap->iv_state == IEEE80211_S_RUN)
917 vap->iv_update_beacon(vap, what);
921 * Calculate HT channel promotion flags for a channel.
922 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
925 ieee80211_htchanflags(const struct ieee80211_channel *c)
927 return IEEE80211_IS_CHAN_HT40(c) ?
928 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
929 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
933 * Calculate VHT channel promotion flags for a channel.
934 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
937 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
940 if (IEEE80211_IS_CHAN_VHT160(c))
941 return IEEE80211_FVHT_USEVHT160;
942 if (IEEE80211_IS_CHAN_VHT80P80(c))
943 return IEEE80211_FVHT_USEVHT80P80;
944 if (IEEE80211_IS_CHAN_VHT80(c))
945 return IEEE80211_FVHT_USEVHT80;
946 if (IEEE80211_IS_CHAN_VHT40(c))
947 return IEEE80211_FVHT_USEVHT40;
948 if (IEEE80211_IS_CHAN_VHT(c))
949 return IEEE80211_FVHT_VHT;
954 * Fetch the current TX power (cap) for the given node.
956 * This includes the node and ic/vap TX power limit as needed,
957 * but it doesn't take into account any per-rate limit.
959 static __inline uint16_t
960 ieee80211_get_node_txpower(struct ieee80211_node *ni)
962 struct ieee80211com *ic = ni->ni_ic;
965 txpower = ni->ni_txpower;
966 txpower = MIN(txpower, ic->ic_txpowlimit);
967 if (ic->ic_curchan != NULL) {
968 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
969 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
976 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
978 * The intent is that any problem in the net80211 layer can be
979 * diagnosed by inspecting the statistics (dumped by the wlanstats
980 * program) and/or the msgs generated by net80211. Messages are
981 * broken into functional classes and can be controlled with the
982 * wlandebug program. Certain of these msg groups are for facilities
983 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
985 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
986 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
987 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
988 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
989 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
990 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
991 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
992 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
993 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
994 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
995 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
996 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
997 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
998 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
999 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
1000 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
1001 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
1002 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
1003 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
1004 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
1005 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
1006 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
1007 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
1008 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
1009 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
1010 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
1011 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
1012 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
1013 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
1014 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
1015 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
1017 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
1019 #define IEEE80211_MSG_BITS \
1020 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
1021 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
1022 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
1023 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
1025 /* Helper macros unified. */
1026 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1027 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1029 #ifdef IEEE80211_DEBUG
1030 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
1031 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
1032 if (ieee80211_msg(_vap, _m)) \
1033 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
1035 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
1036 if (ieee80211_msg(_vap, _m)) \
1037 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
1039 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
1040 if (ieee80211_msg(_vap, _m)) \
1041 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
1043 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
1044 if (ieee80211_msg(_vap, _m)) \
1045 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
1047 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1048 void ieee80211_note_mac(const struct ieee80211vap *,
1049 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1050 void ieee80211_note_frame(const struct ieee80211vap *,
1051 const struct ieee80211_frame *, const char *, ...);
1052 #define ieee80211_msg_debug(_vap) \
1053 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
1054 #define ieee80211_msg_dumppkts(_vap) \
1055 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
1056 #define ieee80211_msg_input(_vap) \
1057 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
1058 #define ieee80211_msg_radius(_vap) \
1059 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
1060 #define ieee80211_msg_dumpradius(_vap) \
1061 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
1062 #define ieee80211_msg_dumpradkeys(_vap) \
1063 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1064 #define ieee80211_msg_scan(_vap) \
1065 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1066 #define ieee80211_msg_assoc(_vap) \
1067 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1070 * Emit a debug message about discarding a frame or information
1071 * element. One format is for extracting the mac address from
1072 * the frame header; the other is for when a header is not
1073 * available or otherwise appropriate.
1075 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1076 if ((_vap)->iv_debug & (_m)) \
1077 ieee80211_discard_frame(_vap, _wh, _type, \
1078 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1080 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1081 if ((_vap)->iv_debug & (_m)) \
1082 ieee80211_discard_ie(_vap, _wh, _type, \
1083 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1085 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1086 if ((_vap)->iv_debug & (_m)) \
1087 ieee80211_discard_mac(_vap, _mac, _type, \
1088 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1091 void ieee80211_discard_frame(const struct ieee80211vap *,
1092 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1093 void ieee80211_discard_ie(const struct ieee80211vap *,
1094 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1095 void ieee80211_discard_mac(const struct ieee80211vap *,
1096 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1097 const char *fmt, ...);
1099 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1100 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1101 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1102 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1103 #define ieee80211_msg_dumppkts(_vap) 0
1104 #define ieee80211_msg(_vap, _m) 0
1106 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1107 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1108 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1111 #endif /* _NET80211_IEEE80211_VAR_H_ */