ieee80211_var.h revision 1.33.2.3 1 /* $NetBSD: ieee80211_var.h,v 1.33.2.3 2018/07/12 16:35:34 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 #ifdef __NetBSD__
150 struct ifqueue ic_mgtq; /* NNN Needed? */
151 #endif
152 struct taskqueue *ic_tq; /* deferred state thread */
153 struct task ic_parent_task; /* deferred parent processing */
154 struct task ic_promisc_task;/* deferred promisc update */
155 struct task ic_mcast_task; /* deferred mcast update */
156 struct task ic_chan_task; /* deferred channel change */
157 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
158 struct task ic_chw_task; /* deferred HT CHW update */
159 struct task ic_restart_task; /* deferred device restart */
160
161 counter_u64_t ic_ierrors; /* input errors */
162 counter_u64_t ic_oerrors; /* output errors */
163
164 uint32_t ic_flags; /* state flags */
165 uint32_t ic_flags_ext; /* extended state flags */
166 uint32_t ic_flags_ht; /* HT state flags */
167 uint32_t ic_flags_ven; /* vendor state flags */
168 uint32_t ic_caps; /* capabilities */
169 uint32_t ic_htcaps; /* HT capabilities */
170 uint32_t ic_htextcaps; /* HT extended capabilities */
171 uint32_t ic_cryptocaps; /* crypto capabilities */
172 /* set of mode capabilities */
173 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
174 uint8_t ic_promisc; /* vap's needing promisc mode */
175 uint8_t ic_allmulti; /* vap's needing all multicast*/
176 uint8_t ic_nrunning; /* vap's marked running */
177 uint8_t ic_curmode; /* current mode */
178 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
179 uint16_t ic_bintval; /* beacon interval */
180 uint16_t ic_lintval; /* listen interval */
181 uint16_t ic_holdover; /* PM hold over duration */
182 uint16_t ic_txpowlimit; /* global tx power limit */
183 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
184 struct ieee80211_htrateset ic_sup_htrates;
185
186 /*
187 * Channel state:
188 *
189 * ic_channels is the set of available channels for the device;
190 * it is setup by the driver
191 * ic_nchans is the number of valid entries in ic_channels
192 * ic_chan_avail is a bit vector of these channels used to check
193 * whether a channel is available w/o searching the channel table.
194 * ic_chan_active is a (potentially) constrained subset of
195 * ic_chan_avail that reflects any mode setting or user-specified
196 * limit on the set of channels to use/scan
197 * ic_curchan is the current channel the device is set to; it may
198 * be different from ic_bsschan when we are off-channel scanning
199 * or otherwise doing background work
200 * ic_bsschan is the channel selected for operation; it may
201 * be undefined (IEEE80211_CHAN_ANYC)
202 * ic_prevchan is a cached ``previous channel'' used to optimize
203 * lookups when switching back+forth between two channels
204 * (e.g. for dynamic turbo)
205 */
206 int ic_nchans; /* # entries in ic_channels */
207 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
208 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
209 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
210 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
211 struct ieee80211_channel *ic_curchan; /* current channel */
212 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
213 struct ieee80211_channel *ic_bsschan; /* bss channel */
214 struct ieee80211_channel *ic_prevchan; /* previous channel */
215 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
216 struct ieee80211_appie *ic_countryie; /* calculated country ie */
217 struct ieee80211_channel *ic_countryie_chan;
218
219 /* 802.11h/DFS state */
220 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
221 short ic_csa_mode; /* mode for doing CSA */
222 short ic_csa_count; /* count for doing CSA */
223 struct ieee80211_dfs_state ic_dfs; /* DFS state */
224
225 struct ieee80211_scan_state *ic_scan; /* scan state */
226 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
227 int ic_lastdata; /* time of last data frame */
228 int ic_lastscan; /* time last scan completed */
229
230 /* NB: this is the union of all vap stations/neighbors */
231 int ic_max_keyix; /* max h/w key index */
232 struct ieee80211_node_table ic_sta; /* stations/neighbors */
233 struct ieee80211_ageq ic_stageq; /* frame staging queue */
234 uint32_t ic_hash_key; /* random key for mac hash */
235
236 /* XXX multi-bss: split out common/vap parts */
237 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
238
239 /* XXX multi-bss: can per-vap be done/make sense? */
240 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
241 uint16_t ic_nonerpsta; /* # non-ERP stations */
242 uint16_t ic_longslotsta; /* # long slot time stations */
243 uint16_t ic_sta_assoc; /* stations associated */
244 uint16_t ic_ht_sta_assoc;/* HT stations associated */
245 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
246 uint8_t ic_curhtprotmode;/* HTINFO bss state */
247 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
248 int ic_lastnonerp; /* last time non-ERP sta noted*/
249 int ic_lastnonht; /* last time non-HT sta noted */
250 uint8_t ic_rxstream; /* # RX streams */
251 uint8_t ic_txstream; /* # TX streams */
252
253 /* VHT information */
254 uint32_t ic_vhtcaps; /* VHT capabilities */
255 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
256 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */
257 uint32_t ic_flags_vht; /* VHT state flags */
258 uint32_t ic_vht_spare[3];
259
260 /* optional state for Atheros SuperG protocol extensions */
261 struct ieee80211_superg *ic_superg;
262
263 /* radiotap handling */
264 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
265 void *ic_txchan; /* channel state in ic_th */
266 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
267 void *ic_rxchan; /* channel state in ic_rh */
268 int ic_montaps; /* active monitor mode taps */
269
270 /* virtual ap create/delete */
271 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
272 const char [IFNAMSIZ], int,
273 enum ieee80211_opmode, int,
274 const uint8_t [IEEE80211_ADDR_LEN],
275 const uint8_t [IEEE80211_ADDR_LEN]);
276 void (*ic_vap_delete)(struct ieee80211vap *);
277 /* device specific ioctls */
278 int (*ic_ioctl)(struct ieee80211com *,
279 u_long, void *);
280 /* start/stop device */
281 void (*ic_parent)(struct ieee80211com *);
282 /* operating mode attachment */
283 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
284 /* return hardware/radio capabilities */
285 void (*ic_getradiocaps)(struct ieee80211com *,
286 int, int *, struct ieee80211_channel []);
287 /* check and/or prepare regdomain state change */
288 int (*ic_setregdomain)(struct ieee80211com *,
289 struct ieee80211_regdomain *,
290 int, struct ieee80211_channel []);
291
292 int (*ic_set_quiet)(struct ieee80211_node *,
293 u_int8_t *quiet_elm);
294
295 /* regular transmit */
296 int (*ic_transmit)(struct ieee80211com *,
297 struct mbuf *);
298 /* send/recv 802.11 management frame */
299 int (*ic_send_mgmt)(struct ieee80211_node *,
300 int, int);
301 /* send raw 802.11 frame */
302 int (*ic_raw_xmit)(struct ieee80211_node *,
303 struct mbuf *,
304 const struct ieee80211_bpf_params *);
305 /* update device state for 802.11 slot time change */
306 void (*ic_updateslot)(struct ieee80211com *);
307 /* handle multicast state changes */
308 void (*ic_update_mcast)(struct ieee80211com *);
309 /* handle promiscuous mode changes */
310 void (*ic_update_promisc)(struct ieee80211com *);
311 /* new station association callback/notification */
312 void (*ic_newassoc)(struct ieee80211_node *, int);
313 /* TDMA update notification */
314 void (*ic_tdma_update)(struct ieee80211_node *,
315 const struct ieee80211_tdma_param *, int);
316 /* node state management */
317 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
318 const uint8_t [IEEE80211_ADDR_LEN]);
319 void (*ic_node_free)(struct ieee80211_node *);
320 void (*ic_node_cleanup)(struct ieee80211_node *);
321 void (*ic_node_age)(struct ieee80211_node *);
322 void (*ic_node_drain)(struct ieee80211_node *);
323 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
324 void (*ic_node_getsignal)(const struct ieee80211_node*,
325 int8_t *, int8_t *);
326 void (*ic_node_getmimoinfo)(
327 const struct ieee80211_node*,
328 struct ieee80211_mimo_info *);
329 /* scanning support */
330 void (*ic_scan_start)(struct ieee80211com *);
331 void (*ic_scan_end)(struct ieee80211com *);
332 void (*ic_set_channel)(struct ieee80211com *);
333 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
334 unsigned long);
335 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
336
337 /*
338 * 802.11n ADDBA support. A simple/generic implementation
339 * of A-MPDU tx aggregation is provided; the driver may
340 * override these methods to provide their own support.
341 * A-MPDU rx re-ordering happens automatically if the
342 * driver passes out-of-order frames to ieee80211_input
343 * from an assocated HT station.
344 */
345 int (*ic_recv_action)(struct ieee80211_node *,
346 const struct ieee80211_frame *,
347 const uint8_t *frm, const uint8_t *efrm);
348 int (*ic_send_action)(struct ieee80211_node *,
349 int category, int action, void *);
350 /* check if A-MPDU should be enabled this station+ac */
351 int (*ic_ampdu_enable)(struct ieee80211_node *,
352 struct ieee80211_tx_ampdu *);
353 /* start/stop doing A-MPDU tx aggregation for a station */
354 int (*ic_addba_request)(struct ieee80211_node *,
355 struct ieee80211_tx_ampdu *,
356 int dialogtoken, int baparamset,
357 int batimeout);
358 int (*ic_addba_response)(struct ieee80211_node *,
359 struct ieee80211_tx_ampdu *,
360 int status, int baparamset, int batimeout);
361 void (*ic_addba_stop)(struct ieee80211_node *,
362 struct ieee80211_tx_ampdu *);
363 void (*ic_addba_response_timeout)(struct ieee80211_node *,
364 struct ieee80211_tx_ampdu *);
365 /* BAR response received */
366 void (*ic_bar_response)(struct ieee80211_node *,
367 struct ieee80211_tx_ampdu *, int status);
368 /* start/stop doing A-MPDU rx processing for a station */
369 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
370 struct ieee80211_rx_ampdu *, int baparamset,
371 int batimeout, int baseqctl);
372 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
373 struct ieee80211_rx_ampdu *);
374
375 /* The channel width has changed (20<->2040) */
376 void (*ic_update_chw)(struct ieee80211com *);
377
378 uint64_t ic_spare[7];
379 };
380
381 struct ieee80211_aclator;
382 struct ieee80211_tdma_state;
383 struct ieee80211_mesh_state;
384 struct ieee80211_hwmp_state;
385
386 struct ieee80211vap {
387 struct ifmedia iv_media; /* interface media config */
388 struct ifnet *iv_ifp; /* associated device */
389 struct bpf_if *iv_rawbpf; /* packet filter structure */
390 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
391 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
392
393 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
394 struct ieee80211com *iv_ic; /* back ptr to common state */
395 /* MAC address: ifp or ic */
396 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
397 uint32_t iv_debug; /* debug msg flags */
398 struct ieee80211_stats iv_stats; /* statistics */
399
400 uint32_t iv_flags; /* state flags */
401 uint32_t iv_flags_ext; /* extended state flags */
402 uint32_t iv_flags_ht; /* HT state flags */
403 uint32_t iv_flags_ven; /* vendor state flags */
404 uint32_t iv_ifflags; /* ifnet flags */
405 uint32_t iv_caps; /* capabilities */
406 uint32_t iv_htcaps; /* HT capabilities */
407 uint32_t iv_htextcaps; /* HT extended capabilities */
408 enum ieee80211_opmode iv_opmode; /* operation mode */
409 enum ieee80211_state iv_state; /* state machine state */
410 enum ieee80211_state iv_nstate; /* pending state */
411 int iv_nstate_arg; /* pending state arg */
412 struct task iv_nstate_task; /* deferred state processing */
413 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
414 struct callout iv_mgtsend; /* mgmt frame response timer */
415 /* inactivity timer settings */
416 int iv_inact_init; /* setting for new station */
417 int iv_inact_auth; /* auth but not assoc setting */
418 int iv_inact_run; /* authorized setting */
419 int iv_inact_probe; /* inactive probe time */
420
421 /* VHT flags */
422 uint32_t iv_flags_vht; /* VHT state flags */
423 uint32_t iv_vhtcaps; /* VHT capabilities */
424 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
425 struct ieee80211_vht_mcs_info iv_vht_mcsinfo;
426 uint32_t iv_vht_spare[4];
427
428 int iv_des_nssid; /* # desired ssids */
429 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
430 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
431 struct ieee80211_channel *iv_des_chan; /* desired channel */
432 uint16_t iv_des_mode; /* desired mode */
433 int iv_nicknamelen; /* XXX junk */
434 uint8_t iv_nickname[IEEE80211_NWID_LEN];
435 u_int iv_bgscanidle; /* bg scan idle threshold */
436 u_int iv_bgscanintvl; /* bg scan min interval */
437 u_int iv_scanvalid; /* scan cache valid threshold */
438 u_int iv_scanreq_duration;
439 u_int iv_scanreq_mindwell;
440 u_int iv_scanreq_maxdwell;
441 uint16_t iv_scanreq_flags;/* held scan request params */
442 uint8_t iv_scanreq_nssid;
443 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
444 /* sta-mode roaming state */
445 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
446 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
447
448 uint8_t iv_bmissthreshold;
449 uint8_t iv_bmiss_count; /* current beacon miss count */
450 int iv_bmiss_max; /* max bmiss before scan */
451 uint16_t iv_swbmiss_count;/* beacons in last period */
452 uint16_t iv_swbmiss_period;/* s/w bmiss period */
453 struct callout iv_swbmiss; /* s/w beacon miss timer */
454
455 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
456 int iv_ampdu_density;/* A-MPDU density */
457 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
458 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
459 u_int iv_ampdu_mintraffic[WME_NUM_AC];
460
461 struct ieee80211_beacon_offsets iv_bcn_off;
462 uint32_t *iv_aid_bitmap; /* association id map */
463 uint16_t iv_max_aid;
464 uint16_t iv_sta_assoc; /* stations associated */
465 uint16_t iv_ps_sta; /* stations in power save */
466 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
467 uint16_t iv_txseq; /* mcast xmit seq# space */
468 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
469 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
470 uint8_t iv_dtim_period; /* DTIM period */
471 uint8_t iv_dtim_count; /* DTIM count from last bcn */
472 /* set/unset aid pwrsav state */
473 uint8_t iv_quiet; /* Quiet Element */
474 uint8_t iv_quiet_count; /* constant count for Quiet Element */
475 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
476 uint8_t iv_quiet_period; /* period for Quiet Element */
477 uint16_t iv_quiet_duration; /* duration for Quiet Element */
478 uint16_t iv_quiet_offset; /* offset for Quiet Element */
479 int iv_csa_count; /* count for doing CSA */
480
481 struct ieee80211_node *iv_bss; /* information for this node */
482 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
483 uint16_t iv_rtsthreshold;
484 uint16_t iv_fragthreshold;
485 int iv_inact_timer; /* inactivity timer wait */
486 /* application-specified IE's to attach to mgt frames */
487 struct ieee80211_appie *iv_appie_beacon;
488 struct ieee80211_appie *iv_appie_probereq;
489 struct ieee80211_appie *iv_appie_proberesp;
490 struct ieee80211_appie *iv_appie_assocreq;
491 struct ieee80211_appie *iv_appie_assocresp;
492 struct ieee80211_appie *iv_appie_wpa;
493 uint8_t *iv_wpa_ie;
494 uint8_t *iv_rsn_ie;
495
496 /* Key management */
497 uint16_t iv_max_keyix; /* max h/w key index */
498 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
499 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
500 int (*iv_key_alloc)(struct ieee80211vap *,
501 struct ieee80211_key *,
502 ieee80211_keyix *, ieee80211_keyix *);
503 int (*iv_key_delete)(struct ieee80211vap *,
504 const struct ieee80211_key *);
505 int (*iv_key_set)(struct ieee80211vap *,
506 const struct ieee80211_key *);
507 void (*iv_key_update_begin)(struct ieee80211vap *);
508 void (*iv_key_update_end)(struct ieee80211vap *);
509 void (*iv_update_deftxkey)(struct ieee80211vap *,
510 ieee80211_keyix deftxkey);
511
512 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
513 void *iv_ec; /* private auth state */
514
515 const struct ieee80211_aclator *iv_acl; /* acl glue */
516 void *iv_as; /* private aclator state */
517
518 const struct ieee80211_ratectl *iv_rate;
519 void *iv_rs; /* private ratectl state */
520
521 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
522 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
523 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
524
525 /* operate-mode detach hook */
526 void (*iv_opdetach)(struct ieee80211vap *);
527 /* receive processing */
528 int (*iv_input)(struct ieee80211_node *,
529 struct mbuf *,
530 const struct ieee80211_rx_stats *,
531 int, int);
532 void (*iv_recv_mgmt)(struct ieee80211_node *,
533 struct mbuf *, int,
534 const struct ieee80211_rx_stats *,
535 int, int);
536 void (*iv_recv_ctl)(struct ieee80211_node *,
537 struct mbuf *, int);
538 void (*iv_deliver_data)(struct ieee80211vap *,
539 struct ieee80211_node *, struct mbuf *);
540 #if 0
541 /* send processing */
542 int (*iv_send_mgmt)(struct ieee80211_node *,
543 int, int);
544 #endif
545 /* beacon miss processing */
546 void (*iv_bmiss)(struct ieee80211vap *);
547 /* reset device state after 802.11 parameter/state change */
548 int (*iv_reset)(struct ieee80211vap *, u_long);
549 /* [schedule] beacon frame update */
550 void (*iv_update_beacon)(struct ieee80211vap *, int);
551 /* power save handling */
552 void (*iv_update_ps)(struct ieee80211vap *, int);
553 int (*iv_set_tim)(struct ieee80211_node *, int);
554 void (*iv_node_ps)(struct ieee80211_node *, int);
555 void (*iv_sta_ps)(struct ieee80211vap *, int);
556 void (*iv_recv_pspoll)(struct ieee80211_node *,
557 struct mbuf *);
558
559 /* state machine processing */
560 int (*iv_newstate)(struct ieee80211vap *,
561 enum ieee80211_state, int);
562 /* 802.3 output method for raw frame xmit */
563 int (*iv_output)(struct ifnet *, struct mbuf *,
564 const struct sockaddr *, struct route *);
565
566 int (*iv_wme_update)(struct ieee80211vap *,
567 const struct wmeParams *wme_params);
568 struct task iv_wme_task; /* deferred VAP WME update */
569
570 uint64_t iv_spare[6];
571 };
572 MALLOC_DECLARE(M_80211_VAP);
573
574 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
575 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
576
577 /* ic_flags/iv_flags */
578 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
579 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
580 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
581 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
582 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
583 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
584 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
585 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
586 /* 0x00000300 reserved */
587 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
588 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
589 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
590 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
591 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
592 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
593 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
594 /* 0x00030000 reserved */
595 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
596 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
597 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
598 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
599 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
600 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
601 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
602 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
603 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
604 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
605 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
606 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
607 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
608 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
609 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
610
611 #define IEEE80211_F_BITS \
612 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
613 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
614 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
615 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
616 "\37DOTH\40DWDS"
617
618 /* Atheros protocol-specific flags */
619 #define IEEE80211_F_ATHEROS \
620 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
621 /* Check if an Atheros capability was negotiated for use */
622 #define IEEE80211_ATH_CAP(vap, ni, bit) \
623 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
624
625 /* ic_flags_ext/iv_flags_ext */
626 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
627 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
628 /* 0x00000006 reserved */
629 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
630 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
631 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
632 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
633 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
634 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
635 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
636 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
637 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
638 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
639 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
640 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
641 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
642 /* NB: immutable: should be set only when creating a vap */
643 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
644 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
645 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
646 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
647 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
648 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
649 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
650 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
651
652 #define IEEE80211_FEXT_BITS \
653 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
654 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
655 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
656 "\26VHT\27QUIET_IE"
657
658 /* ic_flags_ht/iv_flags_ht */
659 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
660 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
661 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
662 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
663 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
664 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
665 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
666 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
667 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
668 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
669 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
670 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
671 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
672 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
673 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
674 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
675 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
676
677 #define IEEE80211_FHT_BITS \
678 "\20\1NONHT_PR" \
679 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
680 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
681 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
682
683 #define IEEE80211_FVEN_BITS "\20"
684
685 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
686 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
687 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
688 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */
689 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */
690 #define IEEE80211_VFHT_BITS \
691 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160"
692
693 #ifdef __FreeBSD__
694 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
695 #elif __NetBSD__
696 void ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
697 #endif
698 void ieee80211_ifattach(struct ieee80211com *);
699 void ieee80211_ifdetach(struct ieee80211com *);
700 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
701 const char name[IFNAMSIZ], int unit,
702 enum ieee80211_opmode opmode, int flags,
703 const uint8_t bssid[IEEE80211_ADDR_LEN]);
704 int ieee80211_vap_attach(struct ieee80211vap *,
705 ifm_change_cb_t, ifm_stat_cb_t,
706 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
707 void ieee80211_vap_detach(struct ieee80211vap *);
708 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
709 const struct ieee80211_channel *);
710 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
711 struct ieee80211com *, const struct ieee80211_channel *);
712 void ieee80211_announce(struct ieee80211com *);
713 void ieee80211_announce_channels(struct ieee80211com *);
714 void ieee80211_drain(struct ieee80211com *);
715 void ieee80211_chan_init(struct ieee80211com *);
716 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
717 struct ieee80211com *ieee80211_find_com(const char *name);
718 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
719 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
720 int ieee80211_media_change(struct ifnet *);
721 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
722 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
723 int ieee80211_rate2media(struct ieee80211com *, int,
724 enum ieee80211_phymode);
725 int ieee80211_media2rate(int);
726 int ieee80211_mhz2ieee(u_int, u_int);
727 int ieee80211_chan2ieee(struct ieee80211com *,
728 const struct ieee80211_channel *);
729 u_int ieee80211_ieee2mhz(u_int, u_int);
730 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
731 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
732 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
733 uint8_t, int8_t, uint32_t);
734 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
735 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
736 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
737 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
738 const uint8_t[], int, const uint8_t[], int);
739 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
740 const uint8_t[], int, const uint8_t[], int);
741 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
742 int freq, int flags);
743 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
744 int ieee, int flags);
745 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
746 const struct ieee80211_rx_stats *);
747 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
748 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
749 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
750 const uint8_t addr[IEEE80211_ADDR_LEN]);
751 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
752
753 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
754 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
755 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
756
757 void ieee80211_radiotap_attach(struct ieee80211com *,
758 struct ieee80211_radiotap_header *th, int tlen,
759 uint32_t tx_radiotap,
760 struct ieee80211_radiotap_header *rh, int rlen,
761 uint32_t rx_radiotap);
762 void ieee80211_radiotap_attachv(struct ieee80211com *,
763 struct ieee80211_radiotap_header *th,
764 int tlen, int n_tx_v, uint32_t tx_radiotap,
765 struct ieee80211_radiotap_header *rh,
766 int rlen, int n_rx_v, uint32_t rx_radiotap);
767 void ieee80211_radiotap_detach(struct ieee80211com *);
768 void ieee80211_radiotap_vattach(struct ieee80211vap *);
769 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
770 void ieee80211_radiotap_chan_change(struct ieee80211com *);
771 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
772 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
773 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
774
775 static __inline int
776 ieee80211_radiotap_active(const struct ieee80211com *ic)
777 {
778 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
779 }
780
781 static __inline int
782 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
783 {
784 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
785 vap->iv_ic->ic_montaps != 0;
786 }
787
788 /*
789 * Enqueue a task on the state thread.
790 */
791 static __inline void
792 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
793 {
794 taskqueue_enqueue(ic->ic_tq, task);
795 }
796
797 /*
798 * Wait for a queued task to complete.
799 */
800 static __inline void
801 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
802 {
803 taskqueue_drain(ic->ic_tq, task);
804 }
805
806 /*
807 * Key update synchronization methods. XXX should not be visible.
808 */
809 static __inline void
810 ieee80211_key_update_begin(struct ieee80211vap *vap)
811 {
812 vap->iv_key_update_begin(vap);
813 }
814 static __inline void
815 ieee80211_key_update_end(struct ieee80211vap *vap)
816 {
817 vap->iv_key_update_end(vap);
818 }
819
820 /*
821 * XXX these need to be here for IEEE80211_F_DATAPAD
822 */
823
824 /*
825 * Return the space occupied by the 802.11 header and any
826 * padding required by the driver. This works for a
827 * management or data frame.
828 */
829 static __inline int
830 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
831 {
832 int size = ieee80211_hdrsize(data);
833 if (ic->ic_flags & IEEE80211_F_DATAPAD)
834 size = roundup(size, sizeof(uint32_t));
835 return size;
836 }
837
838 /*
839 * Like ieee80211_hdrspace, but handles any type of frame.
840 */
841 static __inline int
842 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
843 {
844 int size = ieee80211_anyhdrsize(data);
845 if (ic->ic_flags & IEEE80211_F_DATAPAD)
846 size = roundup(size, sizeof(uint32_t));
847 return size;
848 }
849
850 /*
851 * Notify a vap that beacon state has been updated.
852 */
853 static __inline void
854 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
855 {
856 if (vap->iv_state == IEEE80211_S_RUN)
857 vap->iv_update_beacon(vap, what);
858 }
859
860 /*
861 * Calculate HT channel promotion flags for a channel.
862 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
863 */
864 static __inline int
865 ieee80211_htchanflags(const struct ieee80211_channel *c)
866 {
867 return IEEE80211_IS_CHAN_HT40(c) ?
868 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
869 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
870 }
871
872 /*
873 * Calculate VHT channel promotion flags for a channel.
874 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
875 */
876 static __inline int
877 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
878 {
879
880 if (IEEE80211_IS_CHAN_VHT160(c))
881 return IEEE80211_FVHT_USEVHT160;
882 if (IEEE80211_IS_CHAN_VHT80_80(c))
883 return IEEE80211_FVHT_USEVHT80P80;
884 if (IEEE80211_IS_CHAN_VHT80(c))
885 return IEEE80211_FVHT_USEVHT80;
886 if (IEEE80211_IS_CHAN_VHT40(c))
887 return IEEE80211_FVHT_USEVHT40;
888 if (IEEE80211_IS_CHAN_VHT(c))
889 return IEEE80211_FVHT_VHT;
890 return (0);
891 }
892
893 /*
894 * Fetch the current TX power (cap) for the given node.
895 *
896 * This includes the node and ic/vap TX power limit as needed,
897 * but it doesn't take into account any per-rate limit.
898 */
899 static __inline uint16_t
900 ieee80211_get_node_txpower(struct ieee80211_node *ni)
901 {
902 struct ieee80211com *ic = ni->ni_ic;
903 uint16_t txpower;
904
905 txpower = ni->ni_txpower;
906 txpower = MIN(txpower, ic->ic_txpowlimit);
907 if (ic->ic_curchan != NULL) {
908 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
909 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
910 }
911
912 return (txpower);
913 }
914
915 /*
916 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
917 *
918 * The intent is that any problem in the net80211 layer can be
919 * diagnosed by inspecting the statistics (dumped by the wlanstats
920 * program) and/or the msgs generated by net80211. Messages are
921 * broken into functional classes and can be controlled with the
922 * wlandebug program. Certain of these msg groups are for facilities
923 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
924 */
925 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
926 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
927 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
928 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
929 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
930 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
931 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
932 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
933 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
934 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
935 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
936 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
937 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
938 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
939 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
940 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
941 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
942 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
943 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
944 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
945 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
946 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
947 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
948 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
949 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
950 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
951 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
952 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
953 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
954 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
955 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
956
957 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
958
959 #define IEEE80211_MSG_BITS \
960 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
961 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
962 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
963 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
964
965 #ifdef IEEE80211_DEBUG
966 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
967 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
968 if (ieee80211_msg(_vap, _m)) \
969 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
970 } while (0)
971 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
972 if (ieee80211_msg(_vap, _m)) \
973 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
974 } while (0)
975 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
976 if (ieee80211_msg(_vap, _m)) \
977 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
978 } while (0)
979 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
980 if (ieee80211_msg(_vap, _m)) \
981 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
982 } while (0)
983 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
984 void ieee80211_note_mac(const struct ieee80211vap *,
985 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
986 void ieee80211_note_frame(const struct ieee80211vap *,
987 const struct ieee80211_frame *, const char *, ...);
988 #define ieee80211_msg_debug(_vap) \
989 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
990 #define ieee80211_msg_dumppkts(_vap) \
991 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
992 #define ieee80211_msg_input(_vap) \
993 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
994 #define ieee80211_msg_radius(_vap) \
995 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
996 #define ieee80211_msg_dumpradius(_vap) \
997 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
998 #define ieee80211_msg_dumpradkeys(_vap) \
999 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1000 #define ieee80211_msg_scan(_vap) \
1001 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1002 #define ieee80211_msg_assoc(_vap) \
1003 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1004
1005 /*
1006 * Emit a debug message about discarding a frame or information
1007 * element. One format is for extracting the mac address from
1008 * the frame header; the other is for when a header is not
1009 * available or otherwise appropriate.
1010 */
1011 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1012 if ((_vap)->iv_debug & (_m)) \
1013 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
1014 } while (0)
1015 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1016 if ((_vap)->iv_debug & (_m)) \
1017 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
1018 } while (0)
1019 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1020 if ((_vap)->iv_debug & (_m)) \
1021 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
1022 } while (0)
1023
1024 void ieee80211_discard_frame(const struct ieee80211vap *,
1025 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1026 void ieee80211_discard_ie(const struct ieee80211vap *,
1027 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1028 void ieee80211_discard_mac(const struct ieee80211vap *,
1029 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1030 const char *fmt, ...);
1031 #else
1032 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1033 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1034 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1035 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1036 #define ieee80211_msg_dumppkts(_vap) 0
1037 #define ieee80211_msg(_vap, _m) 0
1038
1039 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1040 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1041 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1042 #endif
1043
1044 #endif /* _NET80211_IEEE80211_VAR_H_ */
1045