ieee80211_var.h revision 1.33.2.2 1 /* $NetBSD: ieee80211_var.h,v 1.33.2.2 2018/06/28 21:23:01 phil Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 *
6 * Copyright (c) 2001 Atsushi Onoe
7 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32 #ifndef _NET80211_IEEE80211_VAR_H_
33 #define _NET80211_IEEE80211_VAR_H_
34
35 /*
36 * Definitions for IEEE 802.11 drivers.
37 */
38 /* NB: portability glue must go first */
39 #if defined(__NetBSD__)
40 #include <net80211/ieee80211_netbsd.h>
41 #elif defined(__FreeBSD__)
42 #include <net80211/ieee80211_freebsd.h>
43 #elif defined(__linux__)
44 #include <net80211/ieee80211_linux.h>
45 #else
46 #error "No support for your operating system!"
47 #endif
48
49 #include <net80211/_ieee80211.h>
50 #include <net80211/ieee80211.h>
51 #include <net80211/ieee80211_ageq.h>
52 #include <net80211/ieee80211_crypto.h>
53 #include <net80211/ieee80211_dfs.h>
54 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
55 #include <net80211/ieee80211_phy.h>
56 #include <net80211/ieee80211_power.h>
57 #include <net80211/ieee80211_node.h>
58 #include <net80211/ieee80211_proto.h>
59 #include <net80211/ieee80211_radiotap.h>
60 #include <net80211/ieee80211_scan.h>
61
62 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */
63 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */
64
65 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
66 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
67
68 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
69 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
70
71 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
72 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
73
74 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
75 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
76
77 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
78 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
79
80 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
81 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
82
83 #define IEEE80211_FIXED_RATE_NONE 0xff
84 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
85
86 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
87 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
88
89 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
90 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
91 /* XXX TODO: cap this at 1, in case hz is not 1000 */
92 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000))
93
94 /*
95 * Technically, vhtflags may be 0 /and/ 11ac is enabled.
96 * At some point ic should just grow a flag somewhere that
97 * says that VHT is supported - and then this macro can be
98 * changed.
99 */
100 #define IEEE80211_CONF_VHT(ic) \
101 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
102
103 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \
104 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
105 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
106 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD)
107
108 /*
109 * 802.11 control state is split into a common portion that maps
110 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
111 * that are bound to an ieee80211com instance and share a single
112 * underlying device. Each VAP has a corresponding OS device
113 * entity through which traffic flows and that applications use
114 * for issuing ioctls, etc.
115 */
116
117 /*
118 * Data common to one or more virtual AP's. State shared by
119 * the underlying device and the net80211 layer is exposed here;
120 * e.g. device-specific callbacks.
121 */
122 struct ieee80211vap;
123 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
124
125 struct ieee80211_appie {
126 uint16_t ie_len; /* size of ie_data */
127 uint8_t ie_data[]; /* user-specified IE's */
128 };
129
130 struct ieee80211_tdma_param;
131 struct ieee80211_rate_table;
132 struct ieee80211_tx_ampdu;
133 struct ieee80211_rx_ampdu;
134 struct ieee80211_superg;
135 struct ieee80211_frame;
136
137 struct ieee80211com {
138 void *ic_softc; /* driver softc */
139 const char *ic_name; /* usually device name */
140 ieee80211_com_lock_t ic_comlock; /* state update lock */
141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
145 int ic_headroom; /* driver tx headroom needs */
146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
147 enum ieee80211_opmode ic_opmode; /* operation mode */
148 struct callout ic_inact; /* inactivity processing */
149 struct taskqueue *ic_tq; /* deferred state thread */
150 struct task ic_parent_task; /* deferred parent processing */
151 struct task ic_promisc_task;/* deferred promisc update */
152 struct task ic_mcast_task; /* deferred mcast update */
153 struct task ic_chan_task; /* deferred channel change */
154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
155 struct task ic_chw_task; /* deferred HT CHW update */
156 struct task ic_restart_task; /* deferred device restart */
157
158 counter_u64_t ic_ierrors; /* input errors */
159 counter_u64_t ic_oerrors; /* output errors */
160
161 uint32_t ic_flags; /* state flags */
162 uint32_t ic_flags_ext; /* extended state flags */
163 uint32_t ic_flags_ht; /* HT state flags */
164 uint32_t ic_flags_ven; /* vendor state flags */
165 uint32_t ic_caps; /* capabilities */
166 uint32_t ic_htcaps; /* HT capabilities */
167 uint32_t ic_htextcaps; /* HT extended capabilities */
168 uint32_t ic_cryptocaps; /* crypto capabilities */
169 /* set of mode capabilities */
170 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
171 uint8_t ic_promisc; /* vap's needing promisc mode */
172 uint8_t ic_allmulti; /* vap's needing all multicast*/
173 uint8_t ic_nrunning; /* vap's marked running */
174 uint8_t ic_curmode; /* current mode */
175 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
176 uint16_t ic_bintval; /* beacon interval */
177 uint16_t ic_lintval; /* listen interval */
178 uint16_t ic_holdover; /* PM hold over duration */
179 uint16_t ic_txpowlimit; /* global tx power limit */
180 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
181 struct ieee80211_htrateset ic_sup_htrates;
182
183 /*
184 * Channel state:
185 *
186 * ic_channels is the set of available channels for the device;
187 * it is setup by the driver
188 * ic_nchans is the number of valid entries in ic_channels
189 * ic_chan_avail is a bit vector of these channels used to check
190 * whether a channel is available w/o searching the channel table.
191 * ic_chan_active is a (potentially) constrained subset of
192 * ic_chan_avail that reflects any mode setting or user-specified
193 * limit on the set of channels to use/scan
194 * ic_curchan is the current channel the device is set to; it may
195 * be different from ic_bsschan when we are off-channel scanning
196 * or otherwise doing background work
197 * ic_bsschan is the channel selected for operation; it may
198 * be undefined (IEEE80211_CHAN_ANYC)
199 * ic_prevchan is a cached ``previous channel'' used to optimize
200 * lookups when switching back+forth between two channels
201 * (e.g. for dynamic turbo)
202 */
203 int ic_nchans; /* # entries in ic_channels */
204 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
205 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
206 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
207 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
208 struct ieee80211_channel *ic_curchan; /* current channel */
209 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
210 struct ieee80211_channel *ic_bsschan; /* bss channel */
211 struct ieee80211_channel *ic_prevchan; /* previous channel */
212 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
213 struct ieee80211_appie *ic_countryie; /* calculated country ie */
214 struct ieee80211_channel *ic_countryie_chan;
215
216 /* 802.11h/DFS state */
217 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
218 short ic_csa_mode; /* mode for doing CSA */
219 short ic_csa_count; /* count for doing CSA */
220 struct ieee80211_dfs_state ic_dfs; /* DFS state */
221
222 struct ieee80211_scan_state *ic_scan; /* scan state */
223 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
224 int ic_lastdata; /* time of last data frame */
225 int ic_lastscan; /* time last scan completed */
226
227 /* NB: this is the union of all vap stations/neighbors */
228 int ic_max_keyix; /* max h/w key index */
229 struct ieee80211_node_table ic_sta; /* stations/neighbors */
230 struct ieee80211_ageq ic_stageq; /* frame staging queue */
231 uint32_t ic_hash_key; /* random key for mac hash */
232
233 /* XXX multi-bss: split out common/vap parts */
234 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
235
236 /* XXX multi-bss: can per-vap be done/make sense? */
237 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
238 uint16_t ic_nonerpsta; /* # non-ERP stations */
239 uint16_t ic_longslotsta; /* # long slot time stations */
240 uint16_t ic_sta_assoc; /* stations associated */
241 uint16_t ic_ht_sta_assoc;/* HT stations associated */
242 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
243 uint8_t ic_curhtprotmode;/* HTINFO bss state */
244 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
245 int ic_lastnonerp; /* last time non-ERP sta noted*/
246 int ic_lastnonht; /* last time non-HT sta noted */
247 uint8_t ic_rxstream; /* # RX streams */
248 uint8_t ic_txstream; /* # TX streams */
249
250 /* VHT information */
251 uint32_t ic_vhtcaps; /* VHT capabilities */
252 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
253 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */
254 uint32_t ic_flags_vht; /* VHT state flags */
255 uint32_t ic_vht_spare[3];
256
257 /* optional state for Atheros SuperG protocol extensions */
258 struct ieee80211_superg *ic_superg;
259
260 /* radiotap handling */
261 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
262 void *ic_txchan; /* channel state in ic_th */
263 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
264 void *ic_rxchan; /* channel state in ic_rh */
265 int ic_montaps; /* active monitor mode taps */
266
267 /* virtual ap create/delete */
268 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
269 const char [IFNAMSIZ], int,
270 enum ieee80211_opmode, int,
271 const uint8_t [IEEE80211_ADDR_LEN],
272 const uint8_t [IEEE80211_ADDR_LEN]);
273 void (*ic_vap_delete)(struct ieee80211vap *);
274 /* device specific ioctls */
275 int (*ic_ioctl)(struct ieee80211com *,
276 u_long, void *);
277 /* start/stop device */
278 void (*ic_parent)(struct ieee80211com *);
279 /* operating mode attachment */
280 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
281 /* return hardware/radio capabilities */
282 void (*ic_getradiocaps)(struct ieee80211com *,
283 int, int *, struct ieee80211_channel []);
284 /* check and/or prepare regdomain state change */
285 int (*ic_setregdomain)(struct ieee80211com *,
286 struct ieee80211_regdomain *,
287 int, struct ieee80211_channel []);
288
289 int (*ic_set_quiet)(struct ieee80211_node *,
290 u_int8_t *quiet_elm);
291
292 /* regular transmit */
293 int (*ic_transmit)(struct ieee80211com *,
294 struct mbuf *);
295 /* send/recv 802.11 management frame */
296 int (*ic_send_mgmt)(struct ieee80211_node *,
297 int, int);
298 /* send raw 802.11 frame */
299 int (*ic_raw_xmit)(struct ieee80211_node *,
300 struct mbuf *,
301 const struct ieee80211_bpf_params *);
302 /* update device state for 802.11 slot time change */
303 void (*ic_updateslot)(struct ieee80211com *);
304 /* handle multicast state changes */
305 void (*ic_update_mcast)(struct ieee80211com *);
306 /* handle promiscuous mode changes */
307 void (*ic_update_promisc)(struct ieee80211com *);
308 /* new station association callback/notification */
309 void (*ic_newassoc)(struct ieee80211_node *, int);
310 /* TDMA update notification */
311 void (*ic_tdma_update)(struct ieee80211_node *,
312 const struct ieee80211_tdma_param *, int);
313 /* node state management */
314 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
315 const uint8_t [IEEE80211_ADDR_LEN]);
316 void (*ic_node_free)(struct ieee80211_node *);
317 void (*ic_node_cleanup)(struct ieee80211_node *);
318 void (*ic_node_age)(struct ieee80211_node *);
319 void (*ic_node_drain)(struct ieee80211_node *);
320 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
321 void (*ic_node_getsignal)(const struct ieee80211_node*,
322 int8_t *, int8_t *);
323 void (*ic_node_getmimoinfo)(
324 const struct ieee80211_node*,
325 struct ieee80211_mimo_info *);
326 /* scanning support */
327 void (*ic_scan_start)(struct ieee80211com *);
328 void (*ic_scan_end)(struct ieee80211com *);
329 void (*ic_set_channel)(struct ieee80211com *);
330 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
331 unsigned long);
332 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
333
334 /*
335 * 802.11n ADDBA support. A simple/generic implementation
336 * of A-MPDU tx aggregation is provided; the driver may
337 * override these methods to provide their own support.
338 * A-MPDU rx re-ordering happens automatically if the
339 * driver passes out-of-order frames to ieee80211_input
340 * from an assocated HT station.
341 */
342 int (*ic_recv_action)(struct ieee80211_node *,
343 const struct ieee80211_frame *,
344 const uint8_t *frm, const uint8_t *efrm);
345 int (*ic_send_action)(struct ieee80211_node *,
346 int category, int action, void *);
347 /* check if A-MPDU should be enabled this station+ac */
348 int (*ic_ampdu_enable)(struct ieee80211_node *,
349 struct ieee80211_tx_ampdu *);
350 /* start/stop doing A-MPDU tx aggregation for a station */
351 int (*ic_addba_request)(struct ieee80211_node *,
352 struct ieee80211_tx_ampdu *,
353 int dialogtoken, int baparamset,
354 int batimeout);
355 int (*ic_addba_response)(struct ieee80211_node *,
356 struct ieee80211_tx_ampdu *,
357 int status, int baparamset, int batimeout);
358 void (*ic_addba_stop)(struct ieee80211_node *,
359 struct ieee80211_tx_ampdu *);
360 void (*ic_addba_response_timeout)(struct ieee80211_node *,
361 struct ieee80211_tx_ampdu *);
362 /* BAR response received */
363 void (*ic_bar_response)(struct ieee80211_node *,
364 struct ieee80211_tx_ampdu *, int status);
365 /* start/stop doing A-MPDU rx processing for a station */
366 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
367 struct ieee80211_rx_ampdu *, int baparamset,
368 int batimeout, int baseqctl);
369 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
370 struct ieee80211_rx_ampdu *);
371
372 /* The channel width has changed (20<->2040) */
373 void (*ic_update_chw)(struct ieee80211com *);
374
375 uint64_t ic_spare[7];
376 };
377
378 struct ieee80211_aclator;
379 struct ieee80211_tdma_state;
380 struct ieee80211_mesh_state;
381 struct ieee80211_hwmp_state;
382
383 struct ieee80211vap {
384 struct ifmedia iv_media; /* interface media config */
385 struct ifnet *iv_ifp; /* associated device */
386 struct bpf_if *iv_rawbpf; /* packet filter structure */
387 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
388 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
389
390 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
391 struct ieee80211com *iv_ic; /* back ptr to common state */
392 /* MAC address: ifp or ic */
393 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
394 uint32_t iv_debug; /* debug msg flags */
395 struct ieee80211_stats iv_stats; /* statistics */
396
397 uint32_t iv_flags; /* state flags */
398 uint32_t iv_flags_ext; /* extended state flags */
399 uint32_t iv_flags_ht; /* HT state flags */
400 uint32_t iv_flags_ven; /* vendor state flags */
401 uint32_t iv_ifflags; /* ifnet flags */
402 uint32_t iv_caps; /* capabilities */
403 uint32_t iv_htcaps; /* HT capabilities */
404 uint32_t iv_htextcaps; /* HT extended capabilities */
405 enum ieee80211_opmode iv_opmode; /* operation mode */
406 enum ieee80211_state iv_state; /* state machine state */
407 enum ieee80211_state iv_nstate; /* pending state */
408 int iv_nstate_arg; /* pending state arg */
409 struct task iv_nstate_task; /* deferred state processing */
410 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
411 struct callout iv_mgtsend; /* mgmt frame response timer */
412 /* inactivity timer settings */
413 int iv_inact_init; /* setting for new station */
414 int iv_inact_auth; /* auth but not assoc setting */
415 int iv_inact_run; /* authorized setting */
416 int iv_inact_probe; /* inactive probe time */
417
418 /* VHT flags */
419 uint32_t iv_flags_vht; /* VHT state flags */
420 uint32_t iv_vhtcaps; /* VHT capabilities */
421 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
422 struct ieee80211_vht_mcs_info iv_vht_mcsinfo;
423 uint32_t iv_vht_spare[4];
424
425 int iv_des_nssid; /* # desired ssids */
426 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
427 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
428 struct ieee80211_channel *iv_des_chan; /* desired channel */
429 uint16_t iv_des_mode; /* desired mode */
430 int iv_nicknamelen; /* XXX junk */
431 uint8_t iv_nickname[IEEE80211_NWID_LEN];
432 u_int iv_bgscanidle; /* bg scan idle threshold */
433 u_int iv_bgscanintvl; /* bg scan min interval */
434 u_int iv_scanvalid; /* scan cache valid threshold */
435 u_int iv_scanreq_duration;
436 u_int iv_scanreq_mindwell;
437 u_int iv_scanreq_maxdwell;
438 uint16_t iv_scanreq_flags;/* held scan request params */
439 uint8_t iv_scanreq_nssid;
440 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
441 /* sta-mode roaming state */
442 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
443 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
444
445 uint8_t iv_bmissthreshold;
446 uint8_t iv_bmiss_count; /* current beacon miss count */
447 int iv_bmiss_max; /* max bmiss before scan */
448 uint16_t iv_swbmiss_count;/* beacons in last period */
449 uint16_t iv_swbmiss_period;/* s/w bmiss period */
450 struct callout iv_swbmiss; /* s/w beacon miss timer */
451
452 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
453 int iv_ampdu_density;/* A-MPDU density */
454 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
455 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
456 u_int iv_ampdu_mintraffic[WME_NUM_AC];
457
458 struct ieee80211_beacon_offsets iv_bcn_off;
459 uint32_t *iv_aid_bitmap; /* association id map */
460 uint16_t iv_max_aid;
461 uint16_t iv_sta_assoc; /* stations associated */
462 uint16_t iv_ps_sta; /* stations in power save */
463 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
464 uint16_t iv_txseq; /* mcast xmit seq# space */
465 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
466 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
467 uint8_t iv_dtim_period; /* DTIM period */
468 uint8_t iv_dtim_count; /* DTIM count from last bcn */
469 /* set/unset aid pwrsav state */
470 uint8_t iv_quiet; /* Quiet Element */
471 uint8_t iv_quiet_count; /* constant count for Quiet Element */
472 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
473 uint8_t iv_quiet_period; /* period for Quiet Element */
474 uint16_t iv_quiet_duration; /* duration for Quiet Element */
475 uint16_t iv_quiet_offset; /* offset for Quiet Element */
476 int iv_csa_count; /* count for doing CSA */
477
478 struct ieee80211_node *iv_bss; /* information for this node */
479 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
480 uint16_t iv_rtsthreshold;
481 uint16_t iv_fragthreshold;
482 int iv_inact_timer; /* inactivity timer wait */
483 /* application-specified IE's to attach to mgt frames */
484 struct ieee80211_appie *iv_appie_beacon;
485 struct ieee80211_appie *iv_appie_probereq;
486 struct ieee80211_appie *iv_appie_proberesp;
487 struct ieee80211_appie *iv_appie_assocreq;
488 struct ieee80211_appie *iv_appie_assocresp;
489 struct ieee80211_appie *iv_appie_wpa;
490 uint8_t *iv_wpa_ie;
491 uint8_t *iv_rsn_ie;
492
493 /* Key management */
494 uint16_t iv_max_keyix; /* max h/w key index */
495 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
496 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
497 int (*iv_key_alloc)(struct ieee80211vap *,
498 struct ieee80211_key *,
499 ieee80211_keyix *, ieee80211_keyix *);
500 int (*iv_key_delete)(struct ieee80211vap *,
501 const struct ieee80211_key *);
502 int (*iv_key_set)(struct ieee80211vap *,
503 const struct ieee80211_key *);
504 void (*iv_key_update_begin)(struct ieee80211vap *);
505 void (*iv_key_update_end)(struct ieee80211vap *);
506 void (*iv_update_deftxkey)(struct ieee80211vap *,
507 ieee80211_keyix deftxkey);
508
509 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
510 void *iv_ec; /* private auth state */
511
512 const struct ieee80211_aclator *iv_acl; /* acl glue */
513 void *iv_as; /* private aclator state */
514
515 const struct ieee80211_ratectl *iv_rate;
516 void *iv_rs; /* private ratectl state */
517
518 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
519 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
520 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
521
522 /* operate-mode detach hook */
523 void (*iv_opdetach)(struct ieee80211vap *);
524 /* receive processing */
525 int (*iv_input)(struct ieee80211_node *,
526 struct mbuf *,
527 const struct ieee80211_rx_stats *,
528 int, int);
529 void (*iv_recv_mgmt)(struct ieee80211_node *,
530 struct mbuf *, int,
531 const struct ieee80211_rx_stats *,
532 int, int);
533 void (*iv_recv_ctl)(struct ieee80211_node *,
534 struct mbuf *, int);
535 void (*iv_deliver_data)(struct ieee80211vap *,
536 struct ieee80211_node *, struct mbuf *);
537 #if 0
538 /* send processing */
539 int (*iv_send_mgmt)(struct ieee80211_node *,
540 int, int);
541 #endif
542 /* beacon miss processing */
543 void (*iv_bmiss)(struct ieee80211vap *);
544 /* reset device state after 802.11 parameter/state change */
545 int (*iv_reset)(struct ieee80211vap *, u_long);
546 /* [schedule] beacon frame update */
547 void (*iv_update_beacon)(struct ieee80211vap *, int);
548 /* power save handling */
549 void (*iv_update_ps)(struct ieee80211vap *, int);
550 int (*iv_set_tim)(struct ieee80211_node *, int);
551 void (*iv_node_ps)(struct ieee80211_node *, int);
552 void (*iv_sta_ps)(struct ieee80211vap *, int);
553 void (*iv_recv_pspoll)(struct ieee80211_node *,
554 struct mbuf *);
555
556 /* state machine processing */
557 int (*iv_newstate)(struct ieee80211vap *,
558 enum ieee80211_state, int);
559 /* 802.3 output method for raw frame xmit */
560 int (*iv_output)(struct ifnet *, struct mbuf *,
561 const struct sockaddr *, struct route *);
562
563 int (*iv_wme_update)(struct ieee80211vap *,
564 const struct wmeParams *wme_params);
565 struct task iv_wme_task; /* deferred VAP WME update */
566
567 uint64_t iv_spare[6];
568 };
569 MALLOC_DECLARE(M_80211_VAP);
570
571 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
572 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
573
574 /* ic_flags/iv_flags */
575 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
576 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
577 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
578 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
579 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
580 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
581 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
582 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
583 /* 0x00000300 reserved */
584 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
585 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
586 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
587 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
588 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
589 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
590 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
591 /* 0x00030000 reserved */
592 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
593 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
594 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
595 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
596 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
597 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
598 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
599 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
600 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
601 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
602 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
603 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
604 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
605 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
606 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
607
608 #define IEEE80211_F_BITS \
609 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
610 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
611 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
612 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
613 "\37DOTH\40DWDS"
614
615 /* Atheros protocol-specific flags */
616 #define IEEE80211_F_ATHEROS \
617 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
618 /* Check if an Atheros capability was negotiated for use */
619 #define IEEE80211_ATH_CAP(vap, ni, bit) \
620 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
621
622 /* ic_flags_ext/iv_flags_ext */
623 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
624 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
625 /* 0x00000006 reserved */
626 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
627 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
628 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
629 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
630 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
631 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
632 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
633 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
634 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
635 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
636 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
637 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
638 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
639 /* NB: immutable: should be set only when creating a vap */
640 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
641 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
642 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
643 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
644 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
645 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
646 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
647 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
648
649 #define IEEE80211_FEXT_BITS \
650 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
651 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
652 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
653 "\26VHT\27QUIET_IE"
654
655 /* ic_flags_ht/iv_flags_ht */
656 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
657 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
658 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
659 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
660 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
661 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
662 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
663 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
664 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
665 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
666 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
667 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
668 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
669 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
670 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
671 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
672 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
673
674 #define IEEE80211_FHT_BITS \
675 "\20\1NONHT_PR" \
676 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
677 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
678 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
679
680 #define IEEE80211_FVEN_BITS "\20"
681
682 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
683 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
684 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
685 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */
686 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */
687 #define IEEE80211_VFHT_BITS \
688 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160"
689
690 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
691 void ieee80211_ifattach(struct ieee80211com *);
692 void ieee80211_ifdetach(struct ieee80211com *);
693 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
694 const char name[IFNAMSIZ], int unit,
695 enum ieee80211_opmode opmode, int flags,
696 const uint8_t bssid[IEEE80211_ADDR_LEN]);
697 int ieee80211_vap_attach(struct ieee80211vap *,
698 ifm_change_cb_t, ifm_stat_cb_t,
699 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
700 void ieee80211_vap_detach(struct ieee80211vap *);
701 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
702 const struct ieee80211_channel *);
703 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
704 struct ieee80211com *, const struct ieee80211_channel *);
705 void ieee80211_announce(struct ieee80211com *);
706 void ieee80211_announce_channels(struct ieee80211com *);
707 void ieee80211_drain(struct ieee80211com *);
708 void ieee80211_chan_init(struct ieee80211com *);
709 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
710 struct ieee80211com *ieee80211_find_com(const char *name);
711 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
712 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
713 int ieee80211_media_change(struct ifnet *);
714 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
715 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
716 int ieee80211_rate2media(struct ieee80211com *, int,
717 enum ieee80211_phymode);
718 int ieee80211_media2rate(int);
719 int ieee80211_mhz2ieee(u_int, u_int);
720 int ieee80211_chan2ieee(struct ieee80211com *,
721 const struct ieee80211_channel *);
722 u_int ieee80211_ieee2mhz(u_int, u_int);
723 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
724 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
725 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
726 uint8_t, int8_t, uint32_t);
727 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
728 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
729 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
730 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
731 const uint8_t[], int, const uint8_t[], int);
732 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
733 const uint8_t[], int, const uint8_t[], int);
734 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
735 int freq, int flags);
736 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
737 int ieee, int flags);
738 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
739 const struct ieee80211_rx_stats *);
740 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
741 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
742 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
743 const uint8_t addr[IEEE80211_ADDR_LEN]);
744 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
745
746 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
747 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
748 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
749
750 void ieee80211_radiotap_attach(struct ieee80211com *,
751 struct ieee80211_radiotap_header *th, int tlen,
752 uint32_t tx_radiotap,
753 struct ieee80211_radiotap_header *rh, int rlen,
754 uint32_t rx_radiotap);
755 void ieee80211_radiotap_attachv(struct ieee80211com *,
756 struct ieee80211_radiotap_header *th,
757 int tlen, int n_tx_v, uint32_t tx_radiotap,
758 struct ieee80211_radiotap_header *rh,
759 int rlen, int n_rx_v, uint32_t rx_radiotap);
760 void ieee80211_radiotap_detach(struct ieee80211com *);
761 void ieee80211_radiotap_vattach(struct ieee80211vap *);
762 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
763 void ieee80211_radiotap_chan_change(struct ieee80211com *);
764 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
765 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
766 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
767
768 static __inline int
769 ieee80211_radiotap_active(const struct ieee80211com *ic)
770 {
771 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
772 }
773
774 static __inline int
775 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
776 {
777 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
778 vap->iv_ic->ic_montaps != 0;
779 }
780
781 /*
782 * Enqueue a task on the state thread.
783 */
784 static __inline void
785 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
786 {
787 taskqueue_enqueue(ic->ic_tq, task);
788 }
789
790 /*
791 * Wait for a queued task to complete.
792 */
793 static __inline void
794 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
795 {
796 taskqueue_drain(ic->ic_tq, task);
797 }
798
799 /*
800 * Key update synchronization methods. XXX should not be visible.
801 */
802 static __inline void
803 ieee80211_key_update_begin(struct ieee80211vap *vap)
804 {
805 vap->iv_key_update_begin(vap);
806 }
807 static __inline void
808 ieee80211_key_update_end(struct ieee80211vap *vap)
809 {
810 vap->iv_key_update_end(vap);
811 }
812
813 /*
814 * XXX these need to be here for IEEE80211_F_DATAPAD
815 */
816
817 /*
818 * Return the space occupied by the 802.11 header and any
819 * padding required by the driver. This works for a
820 * management or data frame.
821 */
822 static __inline int
823 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
824 {
825 int size = ieee80211_hdrsize(data);
826 if (ic->ic_flags & IEEE80211_F_DATAPAD)
827 size = roundup(size, sizeof(uint32_t));
828 return size;
829 }
830
831 /*
832 * Like ieee80211_hdrspace, but handles any type of frame.
833 */
834 static __inline int
835 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
836 {
837 int size = ieee80211_anyhdrsize(data);
838 if (ic->ic_flags & IEEE80211_F_DATAPAD)
839 size = roundup(size, sizeof(uint32_t));
840 return size;
841 }
842
843 /*
844 * Notify a vap that beacon state has been updated.
845 */
846 static __inline void
847 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
848 {
849 if (vap->iv_state == IEEE80211_S_RUN)
850 vap->iv_update_beacon(vap, what);
851 }
852
853 /*
854 * Calculate HT channel promotion flags for a channel.
855 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
856 */
857 static __inline int
858 ieee80211_htchanflags(const struct ieee80211_channel *c)
859 {
860 return IEEE80211_IS_CHAN_HT40(c) ?
861 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
862 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
863 }
864
865 /*
866 * Calculate VHT channel promotion flags for a channel.
867 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
868 */
869 static __inline int
870 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
871 {
872
873 if (IEEE80211_IS_CHAN_VHT160(c))
874 return IEEE80211_FVHT_USEVHT160;
875 if (IEEE80211_IS_CHAN_VHT80_80(c))
876 return IEEE80211_FVHT_USEVHT80P80;
877 if (IEEE80211_IS_CHAN_VHT80(c))
878 return IEEE80211_FVHT_USEVHT80;
879 if (IEEE80211_IS_CHAN_VHT40(c))
880 return IEEE80211_FVHT_USEVHT40;
881 if (IEEE80211_IS_CHAN_VHT(c))
882 return IEEE80211_FVHT_VHT;
883 return (0);
884 }
885
886 /*
887 * Fetch the current TX power (cap) for the given node.
888 *
889 * This includes the node and ic/vap TX power limit as needed,
890 * but it doesn't take into account any per-rate limit.
891 */
892 static __inline uint16_t
893 ieee80211_get_node_txpower(struct ieee80211_node *ni)
894 {
895 struct ieee80211com *ic = ni->ni_ic;
896 uint16_t txpower;
897
898 txpower = ni->ni_txpower;
899 txpower = MIN(txpower, ic->ic_txpowlimit);
900 if (ic->ic_curchan != NULL) {
901 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
902 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
903 }
904
905 return (txpower);
906 }
907
908 /*
909 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
910 *
911 * The intent is that any problem in the net80211 layer can be
912 * diagnosed by inspecting the statistics (dumped by the wlanstats
913 * program) and/or the msgs generated by net80211. Messages are
914 * broken into functional classes and can be controlled with the
915 * wlandebug program. Certain of these msg groups are for facilities
916 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
917 */
918 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
919 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
920 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
921 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
922 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
923 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
924 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
925 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
926 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
927 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
928 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
929 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
930 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
931 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
932 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
933 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
934 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
935 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
936 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
937 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
938 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
939 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
940 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
941 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
942 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
943 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
944 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
945 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
946 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
947 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
948 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
949
950 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
951
952 #define IEEE80211_MSG_BITS \
953 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
954 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
955 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
956 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
957
958 #ifdef IEEE80211_DEBUG
959 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
960 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
961 if (ieee80211_msg(_vap, _m)) \
962 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
963 } while (0)
964 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
965 if (ieee80211_msg(_vap, _m)) \
966 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
967 } while (0)
968 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
969 if (ieee80211_msg(_vap, _m)) \
970 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
971 } while (0)
972 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
973 if (ieee80211_msg(_vap, _m)) \
974 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
975 } while (0)
976 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
977 void ieee80211_note_mac(const struct ieee80211vap *,
978 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
979 void ieee80211_note_frame(const struct ieee80211vap *,
980 const struct ieee80211_frame *, const char *, ...);
981 #define ieee80211_msg_debug(_vap) \
982 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
983 #define ieee80211_msg_dumppkts(_vap) \
984 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
985 #define ieee80211_msg_input(_vap) \
986 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
987 #define ieee80211_msg_radius(_vap) \
988 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
989 #define ieee80211_msg_dumpradius(_vap) \
990 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
991 #define ieee80211_msg_dumpradkeys(_vap) \
992 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
993 #define ieee80211_msg_scan(_vap) \
994 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
995 #define ieee80211_msg_assoc(_vap) \
996 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
997
998 /*
999 * Emit a debug message about discarding a frame or information
1000 * element. One format is for extracting the mac address from
1001 * the frame header; the other is for when a header is not
1002 * available or otherwise appropriate.
1003 */
1004 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1005 if ((_vap)->iv_debug & (_m)) \
1006 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
1007 } while (0)
1008 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1009 if ((_vap)->iv_debug & (_m)) \
1010 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
1011 } while (0)
1012 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1013 if ((_vap)->iv_debug & (_m)) \
1014 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
1015 } while (0)
1016
1017 void ieee80211_discard_frame(const struct ieee80211vap *,
1018 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1019 void ieee80211_discard_ie(const struct ieee80211vap *,
1020 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1021 void ieee80211_discard_mac(const struct ieee80211vap *,
1022 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1023 const char *fmt, ...);
1024 #else
1025 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1026 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1027 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1028 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1029 #define ieee80211_msg_dumppkts(_vap) 0
1030 #define ieee80211_msg(_vap, _m) 0
1031
1032 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1033 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1034 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1035 #endif
1036
1037 #endif /* _NET80211_IEEE80211_VAR_H_ */
1038