2 * SPDX-License-Identifier: BSD-2-Clause
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.
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 */
35 #if defined(__NetBSD__)
36 #include <net80211/ieee80211_netbsd.h>
37 #elif defined(__FreeBSD__)
38 #include <net80211/ieee80211_freebsd.h>
39 #elif defined(__linux__)
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 /* XXX TODO: cap this at 1, in case hz is not 1000 */
88 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000))
91 * Technically, vhtflags may be 0 /and/ 11ac is enabled.
92 * At some point ic should just grow a flag somewhere that
93 * says that VHT is supported - and then this macro can be
96 #define IEEE80211_CONF_VHT(ic) \
97 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
99 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \
100 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
101 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
102 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD)
105 * 802.11 control state is split into a common portion that maps
106 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
107 * that are bound to an ieee80211com instance and share a single
108 * underlying device. Each VAP has a corresponding OS device
109 * entity through which traffic flows and that applications use
110 * for issuing ioctls, etc.
114 * Data common to one or more virtual AP's. State shared by
115 * the underlying device and the net80211 layer is exposed here;
116 * e.g. device-specific callbacks.
119 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
121 struct ieee80211_appie {
122 uint16_t ie_len; /* size of ie_data */
123 uint8_t ie_data[]; /* user-specified IE's */
126 struct ieee80211_tdma_param;
127 struct ieee80211_rate_table;
128 struct ieee80211_tx_ampdu;
129 struct ieee80211_rx_ampdu;
130 struct ieee80211_superg;
131 struct ieee80211_frame;
133 struct net80211dump_methods;
135 struct ieee80211com {
136 void *ic_softc; /* driver softc */
137 const char *ic_name; /* usually device name */
138 ieee80211_com_lock_t ic_comlock; /* state update lock */
139 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
140 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
141 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
142 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
143 int ic_headroom; /* driver tx headroom needs */
144 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
145 enum ieee80211_opmode ic_opmode; /* operation mode */
146 struct callout ic_inact; /* inactivity processing */
147 struct taskqueue *ic_tq; /* deferred state thread */
148 struct task ic_parent_task; /* deferred parent processing */
149 struct task ic_promisc_task;/* deferred promisc update */
150 struct task ic_mcast_task; /* deferred mcast update */
151 struct task ic_chan_task; /* deferred channel change */
152 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
153 struct task ic_chw_task; /* deferred HT CHW update */
154 struct task ic_restart_task; /* deferred device restart */
156 counter_u64_t ic_ierrors; /* input errors */
157 counter_u64_t ic_oerrors; /* output errors */
159 uint32_t ic_flags; /* state flags */
160 uint32_t ic_flags_ext; /* extended state flags */
161 uint32_t ic_flags_ht; /* HT state flags */
162 uint32_t ic_flags_ven; /* vendor state flags */
163 uint32_t ic_caps; /* capabilities */
164 uint32_t ic_htcaps; /* HT capabilities */
165 uint32_t ic_htextcaps; /* HT extended capabilities */
166 uint32_t ic_cryptocaps; /* crypto capabilities */
167 /* set of mode capabilities */
168 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
169 uint8_t ic_promisc; /* vap's needing promisc mode */
170 uint8_t ic_allmulti; /* vap's needing all multicast*/
171 uint8_t ic_nrunning; /* vap's marked running */
172 uint8_t ic_curmode; /* current mode */
173 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
174 uint16_t ic_bintval; /* beacon interval */
175 uint16_t ic_lintval; /* listen interval */
176 uint16_t ic_holdover; /* PM hold over duration */
177 uint16_t ic_txpowlimit; /* global tx power limit */
178 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
179 struct ieee80211_htrateset ic_sup_htrates;
184 * ic_channels is the set of available channels for the device;
185 * it is setup by the driver
186 * ic_nchans is the number of valid entries in ic_channels
187 * ic_chan_avail is a bit vector of these channels used to check
188 * whether a channel is available w/o searching the channel table.
189 * ic_chan_active is a (potentially) constrained subset of
190 * ic_chan_avail that reflects any mode setting or user-specified
191 * limit on the set of channels to use/scan
192 * ic_curchan is the current channel the device is set to; it may
193 * be different from ic_bsschan when we are off-channel scanning
194 * or otherwise doing background work
195 * ic_bsschan is the channel selected for operation; it may
196 * be undefined (IEEE80211_CHAN_ANYC)
197 * ic_prevchan is a cached ``previous channel'' used to optimize
198 * lookups when switching back+forth between two channels
199 * (e.g. for dynamic turbo)
201 int ic_nchans; /* # entries in ic_channels */
202 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
203 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
204 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
205 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
206 struct ieee80211_channel *ic_curchan; /* current channel */
207 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
208 struct ieee80211_channel *ic_bsschan; /* bss channel */
209 struct ieee80211_channel *ic_prevchan; /* previous channel */
210 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
211 struct ieee80211_appie *ic_countryie; /* calculated country ie */
212 struct ieee80211_channel *ic_countryie_chan;
214 /* 802.11h/DFS state */
215 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
216 short ic_csa_mode; /* mode for doing CSA */
217 short ic_csa_count; /* count for doing CSA */
218 struct ieee80211_dfs_state ic_dfs; /* DFS state */
220 struct ieee80211_scan_state *ic_scan; /* scan state */
221 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
222 int ic_lastdata; /* time of last data frame */
223 int ic_lastscan; /* time last scan completed */
225 /* NB: this is the union of all vap stations/neighbors */
226 int ic_max_keyix; /* max h/w key index */
227 struct ieee80211_node_table ic_sta; /* stations/neighbors */
228 struct ieee80211_ageq ic_stageq; /* frame staging queue */
229 uint32_t ic_hash_key; /* random key for mac hash */
231 /* XXX multi-bss: split out common/vap parts */
232 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
234 /* Protection mode for net80211 driven channel NICs */
235 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
236 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
237 uint8_t ic_curhtprotmode;/* HTINFO bss state */
239 uint8_t ic_rxstream; /* # RX streams */
240 uint8_t ic_txstream; /* # TX streams */
242 /* VHT information */
243 uint32_t ic_vhtcaps; /* VHT capabilities */
244 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
245 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */
246 uint32_t ic_flags_vht; /* VHT state flags */
247 uint32_t ic_vht_spare[3];
249 /* optional state for Atheros SuperG protocol extensions */
250 struct ieee80211_superg *ic_superg;
252 /* radiotap handling */
253 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
254 void *ic_txchan; /* channel state in ic_th */
255 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
256 void *ic_rxchan; /* channel state in ic_rh */
257 int ic_montaps; /* active monitor mode taps */
259 /* virtual ap create/delete */
260 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
261 const char [IFNAMSIZ], int,
262 enum ieee80211_opmode, int,
263 const uint8_t [IEEE80211_ADDR_LEN],
264 const uint8_t [IEEE80211_ADDR_LEN]);
265 void (*ic_vap_delete)(struct ieee80211vap *);
266 /* device specific ioctls */
267 int (*ic_ioctl)(struct ieee80211com *,
269 /* start/stop device */
270 void (*ic_parent)(struct ieee80211com *);
271 /* operating mode attachment */
272 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
273 /* return hardware/radio capabilities */
274 void (*ic_getradiocaps)(struct ieee80211com *,
275 int, int *, struct ieee80211_channel []);
276 /* check and/or prepare regdomain state change */
277 int (*ic_setregdomain)(struct ieee80211com *,
278 struct ieee80211_regdomain *,
279 int, struct ieee80211_channel []);
281 int (*ic_set_quiet)(struct ieee80211_node *,
282 u_int8_t *quiet_elm);
284 /* regular transmit */
285 int (*ic_transmit)(struct ieee80211com *,
287 /* send/recv 802.11 management frame */
288 int (*ic_send_mgmt)(struct ieee80211_node *,
290 /* send raw 802.11 frame */
291 int (*ic_raw_xmit)(struct ieee80211_node *,
293 const struct ieee80211_bpf_params *);
294 /* update device state for 802.11 slot time change */
295 void (*ic_updateslot)(struct ieee80211com *);
296 /* handle multicast state changes */
297 void (*ic_update_mcast)(struct ieee80211com *);
298 /* handle promiscuous mode changes */
299 void (*ic_update_promisc)(struct ieee80211com *);
300 /* new station association callback/notification */
301 void (*ic_newassoc)(struct ieee80211_node *, int);
302 /* TDMA update notification */
303 void (*ic_tdma_update)(struct ieee80211_node *,
304 const struct ieee80211_tdma_param *, int);
306 /* Node state management */
308 /* Allocate a new node */
309 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
310 const uint8_t [IEEE80211_ADDR_LEN]);
312 /* Driver node initialisation after net80211 setup */
313 int (*ic_node_init)(struct ieee80211_node *);
315 /* Driver node deallocation */
316 void (*ic_node_free)(struct ieee80211_node *);
318 /* Driver node state cleanup before deallocation */
319 void (*ic_node_cleanup)(struct ieee80211_node *);
321 void (*ic_node_age)(struct ieee80211_node *);
322 void (*ic_node_drain)(struct ieee80211_node *);
323 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
324 void (*ic_node_getsignal)(const struct ieee80211_node*,
326 void (*ic_node_getmimoinfo)(
327 const struct ieee80211_node*,
328 struct ieee80211_mimo_info *);
329 /* scanning support */
330 void (*ic_scan_start)(struct ieee80211com *);
331 void (*ic_scan_end)(struct ieee80211com *);
332 void (*ic_set_channel)(struct ieee80211com *);
333 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
335 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
338 * 802.11n ADDBA support. A simple/generic implementation
339 * of A-MPDU tx aggregation is provided; the driver may
340 * override these methods to provide their own support.
341 * A-MPDU rx re-ordering happens automatically if the
342 * driver passes out-of-order frames to ieee80211_input
343 * from an assocated HT station.
345 int (*ic_recv_action)(struct ieee80211_node *,
346 const struct ieee80211_frame *,
347 const uint8_t *frm, const uint8_t *efrm);
348 int (*ic_send_action)(struct ieee80211_node *,
349 int category, int action, void *);
350 /* check if A-MPDU should be enabled this station+ac */
351 int (*ic_ampdu_enable)(struct ieee80211_node *,
352 struct ieee80211_tx_ampdu *);
353 /* start/stop doing A-MPDU tx aggregation for a station */
354 int (*ic_addba_request)(struct ieee80211_node *,
355 struct ieee80211_tx_ampdu *,
356 int dialogtoken, int baparamset,
358 int (*ic_addba_response)(struct ieee80211_node *,
359 struct ieee80211_tx_ampdu *,
360 int status, int baparamset, int batimeout);
361 void (*ic_addba_stop)(struct ieee80211_node *,
362 struct ieee80211_tx_ampdu *);
363 void (*ic_addba_response_timeout)(struct ieee80211_node *,
364 struct ieee80211_tx_ampdu *);
365 /* BAR response received */
366 void (*ic_bar_response)(struct ieee80211_node *,
367 struct ieee80211_tx_ampdu *, int status);
368 /* start/stop doing A-MPDU rx processing for a station */
369 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
370 struct ieee80211_rx_ampdu *, int baparamset,
371 int batimeout, int baseqctl);
372 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
373 struct ieee80211_rx_ampdu *);
375 /* The channel width has changed (20<->2040) */
376 void (*ic_update_chw)(struct ieee80211com *);
378 const struct debugnet80211_methods *ic_debugnet_meth;
379 uint64_t ic_spare[7];
382 struct ieee80211_aclator;
383 struct ieee80211_tdma_state;
384 struct ieee80211_mesh_state;
385 struct ieee80211_hwmp_state;
386 struct ieee80211_rx_histogram;
387 struct ieee80211_tx_histogram;
389 struct ieee80211vap {
390 struct ifmedia iv_media; /* interface media config */
391 struct ifnet *iv_ifp; /* associated device */
392 struct bpf_if *iv_rawbpf; /* packet filter structure */
393 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
394 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
396 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
397 struct ieee80211com *iv_ic; /* back ptr to common state */
398 /* MAC address: ifp or ic */
399 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
400 uint32_t iv_debug; /* debug msg flags */
401 struct ieee80211_stats iv_stats; /* statistics */
403 uint32_t iv_flags; /* state flags */
404 uint32_t iv_flags_ext; /* extended state flags */
405 uint32_t iv_flags_ht; /* HT state flags */
406 uint32_t iv_flags_ven; /* vendor state flags */
407 uint32_t iv_ifflags; /* ifnet flags */
408 uint32_t iv_caps; /* capabilities */
409 uint32_t iv_htcaps; /* HT capabilities */
410 uint32_t iv_htextcaps; /* HT extended capabilities */
411 uint32_t iv_com_state; /* com usage / detached flag */
412 enum ieee80211_opmode iv_opmode; /* operation mode */
413 enum ieee80211_state iv_state; /* state machine state */
414 enum ieee80211_state iv_nstate; /* pending state */
415 int iv_nstate_arg; /* pending state arg */
416 struct task iv_nstate_task; /* deferred state processing */
417 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
418 struct callout iv_mgtsend; /* mgmt frame response timer */
419 /* inactivity timer settings */
420 int iv_inact_init; /* setting for new station */
421 int iv_inact_auth; /* auth but not assoc setting */
422 int iv_inact_run; /* authorized setting */
423 int iv_inact_probe; /* inactive probe time */
426 uint32_t iv_flags_vht; /* VHT state flags */
427 uint32_t iv_vhtcaps; /* VHT capabilities */
428 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
429 struct ieee80211_vht_mcs_info iv_vht_mcsinfo;
430 uint32_t iv_vht_spare[4];
432 int iv_des_nssid; /* # desired ssids */
433 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
434 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
435 struct ieee80211_channel *iv_des_chan; /* desired channel */
436 uint16_t iv_des_mode; /* desired mode */
437 int iv_nicknamelen; /* XXX junk */
438 uint8_t iv_nickname[IEEE80211_NWID_LEN];
439 u_int iv_bgscanidle; /* bg scan idle threshold */
440 u_int iv_bgscanintvl; /* bg scan min interval */
441 u_int iv_scanvalid; /* scan cache valid threshold */
442 u_int iv_scanreq_duration;
443 u_int iv_scanreq_mindwell;
444 u_int iv_scanreq_maxdwell;
445 uint16_t iv_scanreq_flags;/* held scan request params */
446 uint8_t iv_scanreq_nssid;
447 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
448 /* sta-mode roaming state */
449 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
450 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
452 uint8_t iv_bmissthreshold;
453 uint8_t iv_bmiss_count; /* current beacon miss count */
454 int iv_bmiss_max; /* max bmiss before scan */
455 uint16_t iv_swbmiss_count;/* beacons in last period */
456 uint16_t iv_swbmiss_period;/* s/w bmiss period */
457 struct callout iv_swbmiss; /* s/w beacon miss timer */
459 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
460 int iv_ampdu_density;/* A-MPDU density */
461 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
462 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
463 u_int iv_ampdu_mintraffic[WME_NUM_AC];
465 struct ieee80211_beacon_offsets iv_bcn_off;
466 uint32_t *iv_aid_bitmap; /* association id map */
468 uint16_t iv_sta_assoc; /* stations associated */
469 uint16_t iv_ps_sta; /* stations in power save */
470 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
471 uint16_t iv_txseq; /* mcast xmit seq# space */
472 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
473 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
474 uint8_t iv_dtim_period; /* DTIM period */
475 uint8_t iv_dtim_count; /* DTIM count from last bcn */
476 /* set/unset aid pwrsav state */
477 uint8_t iv_quiet; /* Quiet Element */
478 uint8_t iv_quiet_count; /* constant count for Quiet Element */
479 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
480 uint8_t iv_quiet_period; /* period for Quiet Element */
481 uint16_t iv_quiet_duration; /* duration for Quiet Element */
482 uint16_t iv_quiet_offset; /* offset for Quiet Element */
483 int iv_csa_count; /* count for doing CSA */
485 struct ieee80211_node *iv_bss; /* information for this node */
486 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
487 uint16_t iv_rtsthreshold;
488 uint16_t iv_fragthreshold;
489 int iv_inact_timer; /* inactivity timer wait */
490 /* application-specified IE's to attach to mgt frames */
491 struct ieee80211_appie *iv_appie_beacon;
492 struct ieee80211_appie *iv_appie_probereq;
493 struct ieee80211_appie *iv_appie_proberesp;
494 struct ieee80211_appie *iv_appie_assocreq;
495 struct ieee80211_appie *iv_appie_assocresp;
496 struct ieee80211_appie *iv_appie_wpa;
501 uint16_t iv_max_keyix; /* max h/w key index */
502 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
503 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
504 int (*iv_key_alloc)(struct ieee80211vap *,
505 struct ieee80211_key *,
506 ieee80211_keyix *, ieee80211_keyix *);
507 int (*iv_key_delete)(struct ieee80211vap *,
508 const struct ieee80211_key *);
509 int (*iv_key_set)(struct ieee80211vap *,
510 const struct ieee80211_key *);
511 void (*iv_key_update_begin)(struct ieee80211vap *);
512 void (*iv_key_update_end)(struct ieee80211vap *);
513 void (*iv_update_deftxkey)(struct ieee80211vap *,
514 ieee80211_keyix deftxkey);
516 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
517 void *iv_ec; /* private auth state */
519 const struct ieee80211_aclator *iv_acl; /* acl glue */
520 void *iv_as; /* private aclator state */
522 const struct ieee80211_ratectl *iv_rate;
523 void *iv_rs; /* private ratectl state */
525 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
526 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
527 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
529 /* operate-mode detach hook */
530 void (*iv_opdetach)(struct ieee80211vap *);
531 /* receive processing */
532 int (*iv_input)(struct ieee80211_node *,
534 const struct ieee80211_rx_stats *,
536 void (*iv_recv_mgmt)(struct ieee80211_node *,
538 const struct ieee80211_rx_stats *,
540 void (*iv_recv_ctl)(struct ieee80211_node *,
542 void (*iv_deliver_data)(struct ieee80211vap *,
543 struct ieee80211_node *, struct mbuf *);
545 /* send processing */
546 int (*iv_send_mgmt)(struct ieee80211_node *,
549 /* beacon miss processing */
550 void (*iv_bmiss)(struct ieee80211vap *);
551 /* reset device state after 802.11 parameter/state change */
552 int (*iv_reset)(struct ieee80211vap *, u_long);
553 /* [schedule] beacon frame update */
554 void (*iv_update_beacon)(struct ieee80211vap *, int);
555 /* power save handling */
556 void (*iv_update_ps)(struct ieee80211vap *, int);
557 int (*iv_set_tim)(struct ieee80211_node *, int);
558 void (*iv_node_ps)(struct ieee80211_node *, int);
559 void (*iv_sta_ps)(struct ieee80211vap *, int);
560 void (*iv_recv_pspoll)(struct ieee80211_node *,
563 /* state machine processing */
564 int (*iv_newstate)(struct ieee80211vap *,
565 enum ieee80211_state, int);
566 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
567 struct ieee80211_node *);
569 /* 802.3 output method for raw frame xmit */
570 int (*iv_output)(struct ifnet *, struct mbuf *,
571 const struct sockaddr *, struct route *);
573 int (*iv_wme_update)(struct ieee80211vap *,
574 const struct wmeParams *wme_params);
575 struct task iv_wme_task; /* deferred VAP WME update */
577 /* associated state; protection mode */
578 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */
579 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */
580 uint8_t iv_curhtprotmode;/* HTINFO bss state */
582 uint16_t iv_nonerpsta; /* # non-ERP stations */
583 uint16_t iv_longslotsta; /* # long slot time stations */
584 uint16_t iv_ht_sta_assoc;/* HT stations associated */
585 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */
586 int iv_lastnonerp; /* last time non-ERP sta noted*/
587 int iv_lastnonht; /* last time non-HT sta noted */
589 /* update device state for 802.11 slot time change */
590 void (*iv_updateslot)(struct ieee80211vap *);
591 struct task iv_slot_task; /* deferred slot time update */
593 struct task iv_erp_protmode_task; /* deferred ERP protmode update */
594 void (*iv_erp_protmode_update)(struct ieee80211vap *);
596 struct task iv_preamble_task; /* deferred short/barker preamble update */
597 void (*iv_preamble_update)(struct ieee80211vap *);
599 struct task iv_ht_protmode_task; /* deferred HT protmode update */
600 void (*iv_ht_protmode_update)(struct ieee80211vap *);
602 /* per-vap U-APSD state */
603 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */
605 /* Optional transmit/receive histogram statistics */
606 struct ieee80211_rx_histogram *rx_histogram;
607 struct ieee80211_tx_histogram *tx_histogram;
609 uint64_t iv_spare[6];
611 MALLOC_DECLARE(M_80211_VAP);
613 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
614 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
616 /* ic_flags/iv_flags */
617 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
618 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
619 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
620 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
621 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
622 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
623 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
624 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
625 /* 0x00000300 reserved */
626 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
627 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
628 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
629 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
630 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
631 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
632 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
633 /* 0x00030000 reserved */
634 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
635 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
636 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
637 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
638 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
639 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
640 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
641 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
642 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
643 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
644 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
645 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
646 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
647 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
648 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
650 #define IEEE80211_F_BITS \
651 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
652 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
653 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
654 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
657 /* Atheros protocol-specific flags */
658 #define IEEE80211_F_ATHEROS \
659 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
660 /* Check if an Atheros capability was negotiated for use */
661 #define IEEE80211_ATH_CAP(vap, ni, bit) \
662 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
664 /* ic_flags_ext/iv_flags_ext */
665 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
666 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
667 /* 0x00000006 reserved */
668 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
669 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
670 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
671 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
672 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
673 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
674 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
675 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
676 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
677 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
678 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
679 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
680 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
681 /* NB: immutable: should be set only when creating a vap */
682 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
683 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
684 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
685 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
686 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
687 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
688 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
689 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
690 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */
692 #define IEEE80211_FEXT_BITS \
693 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
694 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
695 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
696 "\26FRAG_OFFLOAD\27VHT" \
697 "\30QUIET_IE\31UAPSD"
699 /* ic_flags_ht/iv_flags_ht */
700 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
701 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
702 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
703 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
704 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
705 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
706 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
707 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
708 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
709 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
710 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
711 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
712 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
713 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
714 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
715 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
716 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
718 #define IEEE80211_FHT_BITS \
720 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
721 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
722 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
724 #define IEEE80211_FVEN_BITS "\20"
726 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
727 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
728 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
729 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */
730 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */
731 #define IEEE80211_FVHT_MASK \
732 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \
733 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \
734 IEEE80211_FVHT_USEVHT80P80)
735 #define IEEE80211_VFHT_BITS \
736 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80"
738 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */
739 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */
740 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */
741 #define IEEE80211_COM_REF_S 1
742 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S)
744 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
745 void ieee80211_ifattach(struct ieee80211com *);
746 void ieee80211_ifdetach(struct ieee80211com *);
747 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
748 const char name[IFNAMSIZ], int unit,
749 enum ieee80211_opmode opmode, int flags,
750 const uint8_t bssid[IEEE80211_ADDR_LEN]);
751 int ieee80211_vap_attach(struct ieee80211vap *,
752 ifm_change_cb_t, ifm_stat_cb_t,
753 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
754 void ieee80211_vap_detach(struct ieee80211vap *);
755 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
756 const struct ieee80211_channel *);
757 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
758 struct ieee80211com *, const struct ieee80211_channel *);
759 void ieee80211_announce(struct ieee80211com *);
760 void ieee80211_announce_channels(struct ieee80211com *);
761 void ieee80211_drain(struct ieee80211com *);
762 void ieee80211_chan_init(struct ieee80211com *);
763 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
764 struct ieee80211com *ieee80211_find_com(const char *name);
765 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
766 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
767 int ieee80211_media_change(struct ifnet *);
768 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
769 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
770 int ieee80211_rate2media(struct ieee80211com *, int,
771 enum ieee80211_phymode);
772 int ieee80211_media2rate(int);
773 int ieee80211_mhz2ieee(u_int, u_int);
774 int ieee80211_chan2ieee(struct ieee80211com *,
775 const struct ieee80211_channel *);
776 u_int ieee80211_ieee2mhz(u_int, u_int);
777 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
778 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
779 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
780 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
781 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
782 uint8_t, int8_t, uint32_t);
783 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
784 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
785 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
786 #define NET80211_CBW_FLAG_HT40 0x01
787 #define NET80211_CBW_FLAG_VHT80 0x02
788 #define NET80211_CBW_FLAG_VHT160 0x04
789 #define NET80211_CBW_FLAG_VHT80P80 0x08
790 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
791 const uint8_t[], int, const uint8_t[], int);
792 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
793 int *, const uint8_t[], int);
794 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
795 const uint8_t[], int, const uint8_t[], int);
796 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
797 int freq, int flags);
798 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
799 int ieee, int flags);
800 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
801 const struct ieee80211_rx_stats *);
802 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
803 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
804 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
805 const uint8_t addr[IEEE80211_ADDR_LEN]);
806 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
808 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
809 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
810 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
812 void ieee80211_radiotap_attach(struct ieee80211com *,
813 struct ieee80211_radiotap_header *th, int tlen,
814 uint32_t tx_radiotap,
815 struct ieee80211_radiotap_header *rh, int rlen,
816 uint32_t rx_radiotap);
817 void ieee80211_radiotap_attachv(struct ieee80211com *,
818 struct ieee80211_radiotap_header *th,
819 int tlen, int n_tx_v, uint32_t tx_radiotap,
820 struct ieee80211_radiotap_header *rh,
821 int rlen, int n_rx_v, uint32_t rx_radiotap);
822 void ieee80211_radiotap_detach(struct ieee80211com *);
823 void ieee80211_radiotap_vattach(struct ieee80211vap *);
824 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
825 void ieee80211_radiotap_chan_change(struct ieee80211com *);
826 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
827 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
828 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
831 ieee80211_radiotap_active(const struct ieee80211com *ic)
833 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
837 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
839 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
840 vap->iv_ic->ic_montaps != 0;
844 * Enqueue a task on the state thread.
847 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
849 taskqueue_enqueue(ic->ic_tq, task);
853 * Wait for a queued task to complete.
856 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
858 taskqueue_drain(ic->ic_tq, task);
862 * Key update synchronization methods. XXX should not be visible.
865 ieee80211_key_update_begin(struct ieee80211vap *vap)
867 vap->iv_key_update_begin(vap);
870 ieee80211_key_update_end(struct ieee80211vap *vap)
872 vap->iv_key_update_end(vap);
876 * XXX these need to be here for IEEE80211_F_DATAPAD
880 * Return the space occupied by the 802.11 header and any
881 * padding required by the driver. This works for a
882 * management or data frame.
885 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
887 int size = ieee80211_hdrsize(data);
888 if (ic->ic_flags & IEEE80211_F_DATAPAD)
889 size = roundup(size, sizeof(uint32_t));
894 * Like ieee80211_hdrspace, but handles any type of frame.
897 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
899 int size = ieee80211_anyhdrsize(data);
900 if (ic->ic_flags & IEEE80211_F_DATAPAD)
901 size = roundup(size, sizeof(uint32_t));
906 * Notify a vap that beacon state has been updated.
909 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
911 if (vap->iv_state == IEEE80211_S_RUN)
912 vap->iv_update_beacon(vap, what);
916 * Calculate HT channel promotion flags for a channel.
917 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
920 ieee80211_htchanflags(const struct ieee80211_channel *c)
922 return IEEE80211_IS_CHAN_HT40(c) ?
923 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
924 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
928 * Calculate VHT channel promotion flags for a channel.
929 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
932 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
935 if (IEEE80211_IS_CHAN_VHT160(c))
936 return IEEE80211_FVHT_USEVHT160;
937 if (IEEE80211_IS_CHAN_VHT80P80(c))
938 return IEEE80211_FVHT_USEVHT80P80;
939 if (IEEE80211_IS_CHAN_VHT80(c))
940 return IEEE80211_FVHT_USEVHT80;
941 if (IEEE80211_IS_CHAN_VHT40(c))
942 return IEEE80211_FVHT_USEVHT40;
943 if (IEEE80211_IS_CHAN_VHT(c))
944 return IEEE80211_FVHT_VHT;
949 * Fetch the current TX power (cap) for the given node.
951 * This includes the node and ic/vap TX power limit as needed,
952 * but it doesn't take into account any per-rate limit.
954 static __inline uint16_t
955 ieee80211_get_node_txpower(struct ieee80211_node *ni)
957 struct ieee80211com *ic = ni->ni_ic;
960 txpower = ni->ni_txpower;
961 txpower = MIN(txpower, ic->ic_txpowlimit);
962 if (ic->ic_curchan != NULL) {
963 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
964 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
971 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
973 * The intent is that any problem in the net80211 layer can be
974 * diagnosed by inspecting the statistics (dumped by the wlanstats
975 * program) and/or the msgs generated by net80211. Messages are
976 * broken into functional classes and can be controlled with the
977 * wlandebug program. Certain of these msg groups are for facilities
978 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
980 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
981 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
982 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
983 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
984 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
985 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
986 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
987 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
988 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
989 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
990 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
991 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
992 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
993 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
994 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
995 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
996 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
997 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
998 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
999 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
1000 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
1001 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
1002 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
1003 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
1004 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
1005 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
1006 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
1007 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
1008 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
1009 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
1010 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
1012 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
1014 #define IEEE80211_MSG_BITS \
1015 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
1016 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
1017 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
1018 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
1020 /* Helper macros unified. */
1021 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1022 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1024 #ifdef IEEE80211_DEBUG
1025 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
1026 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
1027 if (ieee80211_msg(_vap, _m)) \
1028 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
1030 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
1031 if (ieee80211_msg(_vap, _m)) \
1032 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
1034 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
1035 if (ieee80211_msg(_vap, _m)) \
1036 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
1038 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
1039 if (ieee80211_msg(_vap, _m)) \
1040 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
1042 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1043 void ieee80211_note_mac(const struct ieee80211vap *,
1044 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1045 void ieee80211_note_frame(const struct ieee80211vap *,
1046 const struct ieee80211_frame *, const char *, ...);
1047 #define ieee80211_msg_debug(_vap) \
1048 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
1049 #define ieee80211_msg_dumppkts(_vap) \
1050 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
1051 #define ieee80211_msg_input(_vap) \
1052 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
1053 #define ieee80211_msg_radius(_vap) \
1054 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
1055 #define ieee80211_msg_dumpradius(_vap) \
1056 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
1057 #define ieee80211_msg_dumpradkeys(_vap) \
1058 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1059 #define ieee80211_msg_scan(_vap) \
1060 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1061 #define ieee80211_msg_assoc(_vap) \
1062 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1065 * Emit a debug message about discarding a frame or information
1066 * element. One format is for extracting the mac address from
1067 * the frame header; the other is for when a header is not
1068 * available or otherwise appropriate.
1070 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1071 if ((_vap)->iv_debug & (_m)) \
1072 ieee80211_discard_frame(_vap, _wh, _type, \
1073 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1075 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1076 if ((_vap)->iv_debug & (_m)) \
1077 ieee80211_discard_ie(_vap, _wh, _type, \
1078 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1080 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1081 if ((_vap)->iv_debug & (_m)) \
1082 ieee80211_discard_mac(_vap, _mac, _type, \
1083 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1086 void ieee80211_discard_frame(const struct ieee80211vap *,
1087 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1088 void ieee80211_discard_ie(const struct ieee80211vap *,
1089 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1090 void ieee80211_discard_mac(const struct ieee80211vap *,
1091 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1092 const char *fmt, ...);
1094 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1095 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1096 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1097 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1098 #define ieee80211_msg_dumppkts(_vap) 0
1099 #define ieee80211_msg(_vap, _m) 0
1101 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1102 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1103 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1106 #endif /* _NET80211_IEEE80211_VAR_H_ */