master
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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.
16 *
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.
27 */
28#ifndef _NET80211_IEEE80211_VAR_H_
29#define _NET80211_IEEE80211_VAR_H_
30
31/*
32 * Definitions for IEEE 802.11 drivers.
33 */
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>
41#else
42#error "No support for your operating system!"
43#endif
44
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>
57
58#define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */
59#define IEEE80211_TXPOWER_MIN 0 /* kill radio */
60
61#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
62#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
63
64#define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
65#define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
66
67#define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
68#define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
69
70#define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
71#define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
72
73#define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
74#define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
75
76#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
77#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
78
79#define IEEE80211_FIXED_RATE_NONE 0xff
80#define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
81
82#define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
83#define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
84
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))
89
90/*
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
94 * changed.
95 */
96#define IEEE80211_CONF_VHT(ic) \
97 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
98
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)
103
104/*
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.
111 */
112
113/*
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.
117 */
118struct ieee80211vap;
119typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
120
121struct ieee80211_appie {
122 uint16_t ie_len; /* size of ie_data */
123 uint8_t ie_data[]; /* user-specified IE's */
124};
125
126struct ieee80211_tdma_param;
127struct ieee80211_rate_table;
128struct ieee80211_tx_ampdu;
129struct ieee80211_rx_ampdu;
130struct ieee80211_superg;
131struct ieee80211_frame;
132
133struct net80211dump_methods;
134
135struct 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 */
155
156 counter_u64_t ic_ierrors; /* input errors */
157 counter_u64_t ic_oerrors; /* output errors */
158
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;
180
181 /*
182 * Channel state:
183 *
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)
200 */
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;
213
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 */
219
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 */
224
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 */
230
231 /* XXX multi-bss: split out common/vap parts */
232 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
233
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 */
238
239 uint8_t ic_rxstream; /* # RX streams */
240 uint8_t ic_txstream; /* # TX streams */
241
242 /* VHT information */
243 uint32_t ic_vht_flags; /* VHT state flags */
244 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */
245 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
246 uint32_t ic_vht_spare[3];
247
248 /* optional state for Atheros SuperG protocol extensions */
249 struct ieee80211_superg *ic_superg;
250
251 /* radiotap handling */
252 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
253 void *ic_txchan; /* channel state in ic_th */
254 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
255 void *ic_rxchan; /* channel state in ic_rh */
256 int ic_montaps; /* active monitor mode taps */
257
258 /* virtual ap create/delete */
259 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
260 const char [IFNAMSIZ], int,
261 enum ieee80211_opmode, int,
262 const uint8_t [IEEE80211_ADDR_LEN],
263 const uint8_t [IEEE80211_ADDR_LEN]);
264 void (*ic_vap_delete)(struct ieee80211vap *);
265 /* device specific ioctls */
266 int (*ic_ioctl)(struct ieee80211com *,
267 u_long, void *);
268 /* start/stop device */
269 void (*ic_parent)(struct ieee80211com *);
270 /* operating mode attachment */
271 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
272 /* return hardware/radio capabilities */
273 void (*ic_getradiocaps)(struct ieee80211com *,
274 int, int *, struct ieee80211_channel []);
275 /* check and/or prepare regdomain state change */
276 int (*ic_setregdomain)(struct ieee80211com *,
277 struct ieee80211_regdomain *,
278 int, struct ieee80211_channel []);
279
280 int (*ic_set_quiet)(struct ieee80211_node *,
281 u_int8_t *quiet_elm);
282
283 /* regular transmit */
284 int (*ic_transmit)(struct ieee80211com *,
285 struct mbuf *);
286 /* send/recv 802.11 management frame */
287 int (*ic_send_mgmt)(struct ieee80211_node *,
288 int, int);
289 /* send raw 802.11 frame */
290 int (*ic_raw_xmit)(struct ieee80211_node *,
291 struct mbuf *,
292 const struct ieee80211_bpf_params *);
293 /* update device state for 802.11 slot time change */
294 void (*ic_updateslot)(struct ieee80211com *);
295 /* handle multicast state changes */
296 void (*ic_update_mcast)(struct ieee80211com *);
297 /* handle promiscuous mode changes */
298 void (*ic_update_promisc)(struct ieee80211com *);
299 /* new station association callback/notification */
300 void (*ic_newassoc)(struct ieee80211_node *, int);
301 /* TDMA update notification */
302 void (*ic_tdma_update)(struct ieee80211_node *,
303 const struct ieee80211_tdma_param *, int);
304
305 /* Node state management */
306
307 /* Allocate a new node */
308 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
309 const uint8_t [IEEE80211_ADDR_LEN]);
310
311 /* Driver node initialisation after net80211 setup */
312 int (*ic_node_init)(struct ieee80211_node *);
313
314 /* Driver node deallocation */
315 void (*ic_node_free)(struct ieee80211_node *);
316
317 /* Driver node state cleanup before deallocation */
318 void (*ic_node_cleanup)(struct ieee80211_node *);
319
320 void (*ic_node_age)(struct ieee80211_node *);
321 void (*ic_node_drain)(struct ieee80211_node *);
322 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
323 void (*ic_node_getsignal)(const struct ieee80211_node*,
324 int8_t *, int8_t *);
325 void (*ic_node_getmimoinfo)(
326 const struct ieee80211_node*,
327 struct ieee80211_mimo_info *);
328 /* scanning support */
329 void (*ic_scan_start)(struct ieee80211com *);
330 void (*ic_scan_end)(struct ieee80211com *);
331 void (*ic_set_channel)(struct ieee80211com *);
332 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
333 unsigned long);
334 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
335
336 /*
337 * 802.11n ADDBA support. A simple/generic implementation
338 * of A-MPDU tx aggregation is provided; the driver may
339 * override these methods to provide their own support.
340 * A-MPDU rx re-ordering happens automatically if the
341 * driver passes out-of-order frames to ieee80211_input
342 * from an assocated HT station.
343 */
344 int (*ic_recv_action)(struct ieee80211_node *,
345 const struct ieee80211_frame *,
346 const uint8_t *frm, const uint8_t *efrm);
347 int (*ic_send_action)(struct ieee80211_node *,
348 int category, int action, void *);
349 /* check if A-MPDU should be enabled this station+ac */
350 int (*ic_ampdu_enable)(struct ieee80211_node *,
351 struct ieee80211_tx_ampdu *);
352 /* start/stop doing A-MPDU tx aggregation for a station */
353 int (*ic_addba_request)(struct ieee80211_node *,
354 struct ieee80211_tx_ampdu *,
355 int dialogtoken, int baparamset,
356 int batimeout);
357 int (*ic_addba_response)(struct ieee80211_node *,
358 struct ieee80211_tx_ampdu *,
359 int status, int baparamset, int batimeout);
360 void (*ic_addba_stop)(struct ieee80211_node *,
361 struct ieee80211_tx_ampdu *);
362 void (*ic_addba_response_timeout)(struct ieee80211_node *,
363 struct ieee80211_tx_ampdu *);
364 /* BAR response received */
365 void (*ic_bar_response)(struct ieee80211_node *,
366 struct ieee80211_tx_ampdu *, int status);
367 /* start/stop doing A-MPDU rx processing for a station */
368 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
369 struct ieee80211_rx_ampdu *, int baparamset,
370 int batimeout, int baseqctl);
371 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
372 struct ieee80211_rx_ampdu *);
373
374 /* The channel width has changed (20<->2040) */
375 void (*ic_update_chw)(struct ieee80211com *);
376
377 const struct debugnet80211_methods *ic_debugnet_meth;
378 uint64_t ic_spare[7];
379};
380
381struct ieee80211_aclator;
382struct ieee80211_tdma_state;
383struct ieee80211_mesh_state;
384struct ieee80211_hwmp_state;
385struct ieee80211_rx_histogram;
386struct ieee80211_tx_histogram;
387
388struct ieee80211vap {
389 struct ifmedia iv_media; /* interface media config */
390 struct ifnet *iv_ifp; /* associated device */
391 struct bpf_if *iv_rawbpf; /* packet filter structure */
392 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
393 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
394
395 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
396 struct ieee80211com *iv_ic; /* back ptr to common state */
397 /* MAC address: ifp or ic */
398 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
399 uint32_t iv_debug; /* debug msg flags */
400 struct ieee80211_stats iv_stats; /* statistics */
401
402 uint32_t iv_flags; /* state flags */
403 uint32_t iv_flags_ext; /* extended state flags */
404 uint32_t iv_flags_ht; /* HT state flags */
405 uint32_t iv_flags_ven; /* vendor state flags */
406 uint32_t iv_ifflags; /* ifnet flags */
407 uint32_t iv_caps; /* capabilities */
408 uint32_t iv_htcaps; /* HT capabilities */
409 uint32_t iv_htextcaps; /* HT extended capabilities */
410 uint32_t iv_com_state; /* com usage / detached flag */
411 enum ieee80211_opmode iv_opmode; /* operation mode */
412 enum ieee80211_state iv_state; /* state machine state */
413
414 /* Deferred state processing. */
415 enum ieee80211_state iv_nstate; /* next pending state (historic) */
416#define NET80211_IV_NSTATE_NUM 8
417 int iv_nstate_b; /* First filled slot. */
418 int iv_nstate_n; /* # of filled slots. */
419 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */
420 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */
421 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM];
422
423 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
424 struct callout iv_mgtsend; /* mgmt frame response timer */
425 /* inactivity timer settings */
426 int iv_inact_init; /* setting for new station */
427 int iv_inact_auth; /* auth but not assoc setting */
428 int iv_inact_run; /* authorized setting */
429 int iv_inact_probe; /* inactive probe time */
430
431 /* VHT flags */
432 uint32_t iv_vht_flags; /* VHT state flags */
433 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */
434 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
435 uint32_t iv_vht_spare[4];
436
437 int iv_des_nssid; /* # desired ssids */
438 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
439 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
440 struct ieee80211_channel *iv_des_chan; /* desired channel */
441 uint16_t iv_des_mode; /* desired mode */
442 int iv_nicknamelen; /* XXX junk */
443 uint8_t iv_nickname[IEEE80211_NWID_LEN];
444 u_int iv_bgscanidle; /* bg scan idle threshold */
445 u_int iv_bgscanintvl; /* bg scan min interval */
446 u_int iv_scanvalid; /* scan cache valid threshold */
447 u_int iv_scanreq_duration;
448 u_int iv_scanreq_mindwell;
449 u_int iv_scanreq_maxdwell;
450 uint16_t iv_scanreq_flags;/* held scan request params */
451 uint8_t iv_scanreq_nssid;
452 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
453 /* sta-mode roaming state */
454 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
455 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
456
457 uint8_t iv_bmissthreshold;
458 uint8_t iv_bmiss_count; /* current beacon miss count */
459 int iv_bmiss_max; /* max bmiss before scan */
460 uint16_t iv_swbmiss_count;/* beacons in last period */
461 uint16_t iv_swbmiss_period;/* s/w bmiss period */
462 struct callout iv_swbmiss; /* s/w beacon miss timer */
463
464 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
465 int iv_ampdu_density;/* A-MPDU density */
466 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
467 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
468 u_int iv_ampdu_mintraffic[WME_NUM_AC];
469
470 struct ieee80211_beacon_offsets iv_bcn_off;
471 uint32_t *iv_aid_bitmap; /* association id map */
472 uint16_t iv_max_aid;
473 uint16_t iv_sta_assoc; /* stations associated */
474 uint16_t iv_ps_sta; /* stations in power save */
475 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
476 uint16_t iv_txseq; /* mcast xmit seq# space */
477 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
478 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
479 uint8_t iv_dtim_period; /* DTIM period */
480 uint8_t iv_dtim_count; /* DTIM count from last bcn */
481 /* set/unset aid pwrsav state */
482 uint8_t iv_quiet; /* Quiet Element */
483 uint8_t iv_quiet_count; /* constant count for Quiet Element */
484 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
485 uint8_t iv_quiet_period; /* period for Quiet Element */
486 uint16_t iv_quiet_duration; /* duration for Quiet Element */
487 uint16_t iv_quiet_offset; /* offset for Quiet Element */
488 int iv_csa_count; /* count for doing CSA */
489
490 struct ieee80211_node *iv_bss; /* information for this node */
491 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
492 uint16_t iv_rtsthreshold;
493 uint16_t iv_fragthreshold;
494 int iv_inact_timer; /* inactivity timer wait */
495 /* application-specified IE's to attach to mgt frames */
496 struct ieee80211_appie *iv_appie_beacon;
497 struct ieee80211_appie *iv_appie_probereq;
498 struct ieee80211_appie *iv_appie_proberesp;
499 struct ieee80211_appie *iv_appie_assocreq;
500 struct ieee80211_appie *iv_appie_assocresp;
501 struct ieee80211_appie *iv_appie_wpa;
502 uint8_t *iv_wpa_ie;
503 uint8_t *iv_rsn_ie;
504
505 /* Key management */
506 uint16_t iv_max_keyix; /* max h/w key index */
507 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
508 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
509 int (*iv_key_alloc)(struct ieee80211vap *,
510 struct ieee80211_key *,
511 ieee80211_keyix *, ieee80211_keyix *);
512 int (*iv_key_delete)(struct ieee80211vap *,
513 const struct ieee80211_key *);
514 int (*iv_key_set)(struct ieee80211vap *,
515 const struct ieee80211_key *);
516 void (*iv_key_update_begin)(struct ieee80211vap *);
517 void (*iv_key_update_end)(struct ieee80211vap *);
518 void (*iv_update_deftxkey)(struct ieee80211vap *,
519 ieee80211_keyix deftxkey);
520
521 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
522 void *iv_ec; /* private auth state */
523
524 const struct ieee80211_aclator *iv_acl; /* acl glue */
525 void *iv_as; /* private aclator state */
526
527 const struct ieee80211_ratectl *iv_rate;
528 void *iv_rs; /* private ratectl state */
529
530 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
531 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
532 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
533
534 /* operate-mode detach hook */
535 void (*iv_opdetach)(struct ieee80211vap *);
536 /* receive processing */
537 int (*iv_input)(struct ieee80211_node *,
538 struct mbuf *,
539 const struct ieee80211_rx_stats *,
540 int, int);
541 void (*iv_recv_mgmt)(struct ieee80211_node *,
542 struct mbuf *, int,
543 const struct ieee80211_rx_stats *,
544 int, int);
545 void (*iv_recv_ctl)(struct ieee80211_node *,
546 struct mbuf *, int);
547 void (*iv_deliver_data)(struct ieee80211vap *,
548 struct ieee80211_node *, struct mbuf *);
549#if 0
550 /* send processing */
551 int (*iv_send_mgmt)(struct ieee80211_node *,
552 int, int);
553#endif
554 /* beacon miss processing */
555 void (*iv_bmiss)(struct ieee80211vap *);
556 /* reset device state after 802.11 parameter/state change */
557 int (*iv_reset)(struct ieee80211vap *, u_long);
558 /* [schedule] beacon frame update */
559 void (*iv_update_beacon)(struct ieee80211vap *, int);
560 /* power save handling */
561 void (*iv_update_ps)(struct ieee80211vap *, int);
562 int (*iv_set_tim)(struct ieee80211_node *, int);
563 void (*iv_node_ps)(struct ieee80211_node *, int);
564 void (*iv_sta_ps)(struct ieee80211vap *, int);
565 void (*iv_recv_pspoll)(struct ieee80211_node *,
566 struct mbuf *);
567
568 /* state machine processing */
569 int (*iv_newstate)(struct ieee80211vap *,
570 enum ieee80211_state, int);
571 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
572 struct ieee80211_node *);
573
574 /* 802.3 output method for raw frame xmit */
575 int (*iv_output)(struct ifnet *, struct mbuf *,
576 const struct sockaddr *, struct route *);
577
578 int (*iv_wme_update)(struct ieee80211vap *,
579 const struct wmeParams *wme_params);
580 struct task iv_wme_task; /* deferred VAP WME update */
581
582 /* associated state; protection mode */
583 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */
584 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */
585 uint8_t iv_curhtprotmode;/* HTINFO bss state */
586
587 uint16_t iv_nonerpsta; /* # non-ERP stations */
588 uint16_t iv_longslotsta; /* # long slot time stations */
589 uint16_t iv_ht_sta_assoc;/* HT stations associated */
590 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */
591 int iv_lastnonerp; /* last time non-ERP sta noted*/
592 int iv_lastnonht; /* last time non-HT sta noted */
593
594 /* update device state for 802.11 slot time change */
595 void (*iv_updateslot)(struct ieee80211vap *);
596 struct task iv_slot_task; /* deferred slot time update */
597
598 struct task iv_erp_protmode_task; /* deferred ERP protmode update */
599 void (*iv_erp_protmode_update)(struct ieee80211vap *);
600
601 struct task iv_preamble_task; /* deferred short/barker preamble update */
602 void (*iv_preamble_update)(struct ieee80211vap *);
603
604 struct task iv_ht_protmode_task; /* deferred HT protmode update */
605 void (*iv_ht_protmode_update)(struct ieee80211vap *);
606
607 /* per-vap U-APSD state */
608 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */
609
610 /* Optional transmit/receive histogram statistics */
611 struct ieee80211_rx_histogram *rx_histogram;
612 struct ieee80211_tx_histogram *tx_histogram;
613
614 uint64_t iv_spare[36];
615};
616MALLOC_DECLARE(M_80211_VAP);
617
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)
620
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 */
654
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" \
660 "\37DOTH\40DWDS"
661
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))
668
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 */
696
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"
703
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 */
722
723#define IEEE80211_FHT_BITS \
724 "\20\1NONHT_PR" \
725 "\21LDPC_TX\22LDPC_RX\23GF\24HT\25AMPDU_TX\26AMPDU_RX" \
726 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
727 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
728
729#define IEEE80211_FVEN_BITS "\20"
730
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"
742
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)
748
749int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
750void ieee80211_ifattach(struct ieee80211com *);
751void ieee80211_ifdetach(struct ieee80211com *);
752int 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]);
756int ieee80211_vap_attach(struct ieee80211vap *,
757 ifm_change_cb_t, ifm_stat_cb_t,
758 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
759void ieee80211_vap_detach(struct ieee80211vap *);
760const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
761 const struct ieee80211_channel *);
762const struct ieee80211_htrateset *ieee80211_get_suphtrates(
763 struct ieee80211com *, const struct ieee80211_channel *);
764void ieee80211_announce(struct ieee80211com *);
765void ieee80211_announce_channels(struct ieee80211com *);
766void ieee80211_drain(struct ieee80211com *);
767void ieee80211_chan_init(struct ieee80211com *);
768struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
769struct ieee80211com *ieee80211_find_com(const char *name);
770typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
771void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
772int ieee80211_media_change(struct ifnet *);
773void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
774int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
775int ieee80211_rate2media(struct ieee80211com *, int,
776 enum ieee80211_phymode);
777int ieee80211_media2rate(int);
778int ieee80211_mhz2ieee(u_int, u_int);
779int ieee80211_chan2ieee(struct ieee80211com *,
780 const struct ieee80211_channel *);
781u_int ieee80211_ieee2mhz(u_int, u_int);
782int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
783 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
784int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
785 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
786int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
787 uint8_t, int8_t, uint32_t);
788uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
789uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
790uint32_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
795int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
796 const uint8_t[], int, const uint8_t[], int);
797int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
798 int *, const uint8_t[], int);
799int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
800 const uint8_t[], int, const uint8_t[], int);
801struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
802 int freq, int flags);
803struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
804 int ieee, int flags);
805struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
806 const struct ieee80211_rx_stats *);
807int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
808enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
809uint32_t ieee80211_mac_hash(const struct ieee80211com *,
810 const uint8_t addr[IEEE80211_ADDR_LEN]);
811char ieee80211_channel_type_char(const struct ieee80211_channel *c);
812
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)
816
817void 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);
822void 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);
827void ieee80211_radiotap_detach(struct ieee80211com *);
828void ieee80211_radiotap_vattach(struct ieee80211vap *);
829void ieee80211_radiotap_vdetach(struct ieee80211vap *);
830void ieee80211_radiotap_chan_change(struct ieee80211com *);
831void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
832void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
833void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
834
835static __inline int
836ieee80211_radiotap_active(const struct ieee80211com *ic)
837{
838 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
839}
840
841static __inline int
842ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
843{
844 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
845 vap->iv_ic->ic_montaps != 0;
846}
847
848/*
849 * Enqueue a task on the state thread.
850 */
851static __inline void
852ieee80211_runtask(struct ieee80211com *ic, struct task *task)
853{
854 taskqueue_enqueue(ic->ic_tq, task);
855}
856
857/*
858 * Wait for a queued task to complete.
859 */
860static __inline void
861ieee80211_draintask(struct ieee80211com *ic, struct task *task)
862{
863 taskqueue_drain(ic->ic_tq, task);
864}
865
866/*
867 * Key update synchronization methods. XXX should not be visible.
868 */
869static __inline void
870ieee80211_key_update_begin(struct ieee80211vap *vap)
871{
872 vap->iv_key_update_begin(vap);
873}
874static __inline void
875ieee80211_key_update_end(struct ieee80211vap *vap)
876{
877 vap->iv_key_update_end(vap);
878}
879
880/*
881 * XXX these need to be here for IEEE80211_F_DATAPAD
882 */
883
884/*
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.
888 */
889static __inline int
890ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
891{
892 int size = ieee80211_hdrsize(data);
893 if (ic->ic_flags & IEEE80211_F_DATAPAD)
894 size = roundup(size, sizeof(uint32_t));
895 return size;
896}
897
898/*
899 * Like ieee80211_hdrspace, but handles any type of frame.
900 */
901static __inline int
902ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
903{
904 int size = ieee80211_anyhdrsize(data);
905 if (ic->ic_flags & IEEE80211_F_DATAPAD)
906 size = roundup(size, sizeof(uint32_t));
907 return size;
908}
909
910/*
911 * Notify a vap that beacon state has been updated.
912 */
913static __inline void
914ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
915{
916 if (vap->iv_state == IEEE80211_S_RUN)
917 vap->iv_update_beacon(vap, what);
918}
919
920/*
921 * Calculate HT channel promotion flags for a channel.
922 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
923 */
924static __inline int
925ieee80211_htchanflags(const struct ieee80211_channel *c)
926{
927 return IEEE80211_IS_CHAN_HT40(c) ?
928 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
929 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
930}
931
932/*
933 * Calculate VHT channel promotion flags for a channel.
934 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
935 */
936static __inline int
937ieee80211_vhtchanflags(const struct ieee80211_channel *c)
938{
939
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;
950 return (0);
951}
952
953/*
954 * Fetch the current TX power (cap) for the given node.
955 *
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.
958 */
959static __inline uint16_t
960ieee80211_get_node_txpower(struct ieee80211_node *ni)
961{
962 struct ieee80211com *ic = ni->ni_ic;
963 uint16_t txpower;
964
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);
970 }
971
972 return (txpower);
973}
974
975/*
976 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
977 *
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).
984 */
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 */
1016
1017#define IEEE80211_MSG_ANY 0xffffffff /* anything */
1018
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"
1024
1025/* Helper macros unified. */
1026#define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1027#define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1028
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__); \
1034} while (0)
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__);\
1038} while (0)
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__); \
1042} while (0)
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__); \
1046} while (0)
1047void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1048void ieee80211_note_mac(const struct ieee80211vap *,
1049 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1050void 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)
1068
1069/*
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.
1074 */
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__); \
1079} while (0)
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__); \
1084} while (0)
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__); \
1089} while (0)
1090
1091void ieee80211_discard_frame(const struct ieee80211vap *,
1092 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1093void ieee80211_discard_ie(const struct ieee80211vap *,
1094 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1095void ieee80211_discard_mac(const struct ieee80211vap *,
1096 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1097 const char *fmt, ...);
1098#else
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
1105
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, ...)
1109#endif
1110
1111#endif /* _NET80211_IEEE80211_VAR_H_ */