1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 #ifndef _NET80211_IEEE80211_VAR_H_
29 #define _NET80211_IEEE80211_VAR_H_
30
31 /*
32 * Definitions for IEEE 802.11 drivers.
33 */
34 /* NB: portability glue must go first */
35 #if defined(__NetBSD__)
36 #include <net80211/ieee80211_netbsd.h>
37 #elif defined(__FreeBSD__)
38 #include <net80211/ieee80211_freebsd.h>
39 #elif defined(__linux__)
40 #include <net80211/ieee80211_linux.h>
41 #else
42 #error "No support for your operating system!"
43 #endif
44
45 #include <net80211/_ieee80211.h>
46 #include <net80211/ieee80211.h>
47 #include <net80211/ieee80211_ageq.h>
48 #include <net80211/ieee80211_crypto.h>
49 #include <net80211/ieee80211_dfs.h>
50 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
51 #include <net80211/ieee80211_phy.h>
52 #include <net80211/ieee80211_power.h>
53 #include <net80211/ieee80211_node.h>
54 #include <net80211/ieee80211_proto.h>
55 #include <net80211/ieee80211_radiotap.h>
56 #include <net80211/ieee80211_scan.h>
57
58 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */
59 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */
60
61 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
62 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
63
64 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
65 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
66
67 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
69
70 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
71 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
72
73 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
74 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
75
76 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
77 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
78
79 #define IEEE80211_FIXED_RATE_NONE 0xff
80 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
81
82 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
83 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
84
85 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
86 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
87 /* XXX TODO: cap this at 1, in case hz is not 1000 */
88 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000))
89
90 /*
91 * Technically, vhtflags may be 0 /and/ 11ac is enabled.
92 * At some point ic should just grow a flag somewhere that
93 * says that VHT is supported - and then this macro can be
94 * changed.
95 */
96 #define IEEE80211_CONF_VHT(ic) \
97 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
98
99 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \
100 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
101 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
102 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD)
103
104 /*
105 * 802.11 control state is split into a common portion that maps
106 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
107 * that are bound to an ieee80211com instance and share a single
108 * underlying device. Each VAP has a corresponding OS device
109 * entity through which traffic flows and that applications use
110 * for issuing ioctls, etc.
111 */
112
113 /*
114 * Data common to one or more virtual AP's. State shared by
115 * the underlying device and the net80211 layer is exposed here;
116 * e.g. device-specific callbacks.
117 */
118 struct ieee80211vap;
119 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
120
121 struct ieee80211_appie {
122 uint16_t ie_len; /* size of ie_data */
123 uint8_t ie_data[]; /* user-specified IE's */
124 };
125
126 struct ieee80211_tdma_param;
127 struct ieee80211_rate_table;
128 struct ieee80211_tx_ampdu;
129 struct ieee80211_rx_ampdu;
130 struct ieee80211_superg;
131 struct ieee80211_frame;
132
133 struct net80211dump_methods;
134
135 struct ieee80211com {
136 void *ic_softc; /* driver softc */
137 const char *ic_name; /* usually device name */
138 ieee80211_com_lock_t ic_comlock; /* state update lock */
139 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
140 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
141 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
142 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
143 int ic_headroom; /* driver tx headroom needs */
144 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
145 enum ieee80211_opmode ic_opmode; /* operation mode */
146 struct callout ic_inact; /* inactivity processing */
147 struct taskqueue *ic_tq; /* deferred state thread */
148 struct task ic_parent_task; /* deferred parent processing */
149 struct task ic_promisc_task;/* deferred promisc update */
150 struct task ic_mcast_task; /* deferred mcast update */
151 struct task ic_chan_task; /* deferred channel change */
152 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
153 struct task ic_chw_task; /* deferred HT CHW update */
154 struct task ic_restart_task; /* deferred device restart */
155
156 counter_u64_t ic_ierrors; /* input errors */
157 counter_u64_t ic_oerrors; /* output errors */
158
159 uint32_t ic_flags; /* state flags */
160 uint32_t ic_flags_ext; /* extended state flags */
161 uint32_t ic_flags_ht; /* HT state flags */
162 uint32_t ic_flags_ven; /* vendor state flags */
163 uint32_t ic_caps; /* capabilities */
164 uint32_t ic_htcaps; /* HT capabilities */
165 uint32_t ic_htextcaps; /* HT extended capabilities */
166 /* driver-supported software crypto caps */
167 uint32_t ic_sw_cryptocaps;
168 uint32_t ic_cryptocaps; /* hardware crypto caps */
169 /* set of mode capabilities */
170 /* driver/net80211 sw KEYMGMT capabilities */
171 uint32_t ic_sw_keymgmtcaps;
172 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
173 uint8_t ic_promisc; /* vap's needing promisc mode */
174 uint8_t ic_allmulti; /* vap's needing all multicast*/
175 uint8_t ic_nrunning; /* vap's marked running */
176 uint8_t ic_curmode; /* current mode */
177 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
178 uint16_t ic_bintval; /* beacon interval */
179 uint16_t ic_lintval; /* listen interval */
180 uint16_t ic_holdover; /* PM hold over duration */
181 uint16_t ic_txpowlimit; /* global tx power limit */
182 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
183 struct ieee80211_htrateset ic_sup_htrates;
184
185 /*
186 * Channel state:
187 *
188 * ic_channels is the set of available channels for the device;
189 * it is setup by the driver
190 * ic_nchans is the number of valid entries in ic_channels
191 * ic_chan_avail is a bit vector of these channels used to check
192 * whether a channel is available w/o searching the channel table.
193 * ic_chan_active is a (potentially) constrained subset of
194 * ic_chan_avail that reflects any mode setting or user-specified
195 * limit on the set of channels to use/scan
196 * ic_curchan is the current channel the device is set to; it may
197 * be different from ic_bsschan when we are off-channel scanning
198 * or otherwise doing background work
199 * ic_bsschan is the channel selected for operation; it may
200 * be undefined (IEEE80211_CHAN_ANYC)
201 * ic_prevchan is a cached ``previous channel'' used to optimize
202 * lookups when switching back+forth between two channels
203 * (e.g. for dynamic turbo)
204 */
205 int ic_nchans; /* # entries in ic_channels */
206 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
207 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
208 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
209 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
210 struct ieee80211_channel *ic_curchan; /* current channel */
211 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
212 struct ieee80211_channel *ic_bsschan; /* bss channel */
213 struct ieee80211_channel *ic_prevchan; /* previous channel */
214 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
215 struct ieee80211_appie *ic_countryie; /* calculated country ie */
216 struct ieee80211_channel *ic_countryie_chan;
217
218 /* 802.11h/DFS state */
219 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
220 short ic_csa_mode; /* mode for doing CSA */
221 short ic_csa_count; /* count for doing CSA */
222 struct ieee80211_dfs_state ic_dfs; /* DFS state */
223
224 struct ieee80211_scan_state *ic_scan; /* scan state */
225 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
226 int ic_lastdata; /* time of last data frame */
227 int ic_lastscan; /* time last scan completed */
228
229 /* NB: this is the union of all vap stations/neighbors */
230 int ic_max_keyix; /* max h/w key index */
231 struct ieee80211_node_table ic_sta; /* stations/neighbors */
232 struct ieee80211_ageq ic_stageq; /* frame staging queue */
233 uint32_t ic_hash_key; /* random key for mac hash */
234
235 /* XXX multi-bss: split out common/vap parts */
236 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
237
238 /* Protection mode for net80211 driven channel NICs */
239 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
240 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
241 uint8_t ic_curhtprotmode;/* HTINFO bss state */
242
243 uint8_t ic_rxstream; /* # RX streams */
244 uint8_t ic_txstream; /* # TX streams */
245
246 /* VHT information */
247 uint32_t ic_vht_flags; /* VHT state flags */
248 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */
249 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
250 uint32_t ic_vht_spare[3];
251
252 /* optional state for Atheros SuperG protocol extensions */
253 struct ieee80211_superg *ic_superg;
254
255 /* radiotap handling */
256 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
257 void *ic_txchan; /* channel state in ic_th */
258 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
259 void *ic_rxchan; /* channel state in ic_rh */
260 int ic_montaps; /* active monitor mode taps */
261
262 /* virtual ap create/delete */
263 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
264 const char [IFNAMSIZ], int,
265 enum ieee80211_opmode, int,
266 const uint8_t [IEEE80211_ADDR_LEN],
267 const uint8_t [IEEE80211_ADDR_LEN]);
268 void (*ic_vap_delete)(struct ieee80211vap *);
269 /* device specific ioctls */
270 int (*ic_ioctl)(struct ieee80211com *,
271 u_long, void *);
272 /* start/stop device */
273 void (*ic_parent)(struct ieee80211com *);
274 /* operating mode attachment */
275 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
276 /* return hardware/radio capabilities */
277 void (*ic_getradiocaps)(struct ieee80211com *,
278 int, int *, struct ieee80211_channel []);
279 /* check and/or prepare regdomain state change */
280 int (*ic_setregdomain)(struct ieee80211com *,
281 struct ieee80211_regdomain *,
282 int, struct ieee80211_channel []);
283
284 int (*ic_set_quiet)(struct ieee80211_node *,
285 u_int8_t *quiet_elm);
286
287 /* regular transmit */
288 int (*ic_transmit)(struct ieee80211com *,
289 struct mbuf *);
290 /* send/recv 802.11 management frame */
291 int (*ic_send_mgmt)(struct ieee80211_node *,
292 int, int);
293 /* send raw 802.11 frame */
294 int (*ic_raw_xmit)(struct ieee80211_node *,
295 struct mbuf *,
296 const struct ieee80211_bpf_params *);
297 /* update device state for 802.11 slot time change */
298 void (*ic_updateslot)(struct ieee80211com *);
299 /* handle multicast state changes */
300 void (*ic_update_mcast)(struct ieee80211com *);
301 /* handle promiscuous mode changes */
302 void (*ic_update_promisc)(struct ieee80211com *);
303 /* new station association callback/notification */
304 void (*ic_newassoc)(struct ieee80211_node *, int);
305 /* TDMA update notification */
306 void (*ic_tdma_update)(struct ieee80211_node *,
307 const struct ieee80211_tdma_param *, int);
308
309 /* Node state management */
310
311 /* Allocate a new node */
312 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
313 const uint8_t [IEEE80211_ADDR_LEN]);
314
315 /* Driver node initialisation after net80211 setup */
316 int (*ic_node_init)(struct ieee80211_node *);
317
318 /* Driver node deallocation */
319 void (*ic_node_free)(struct ieee80211_node *);
320
321 /* Driver node state cleanup before deallocation */
322 void (*ic_node_cleanup)(struct ieee80211_node *);
323
324 void (*ic_node_age)(struct ieee80211_node *);
325 void (*ic_node_drain)(struct ieee80211_node *);
326 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
327 void (*ic_node_getsignal)(const struct ieee80211_node*,
328 int8_t *, int8_t *);
329 void (*ic_node_getmimoinfo)(
330 const struct ieee80211_node*,
331 struct ieee80211_mimo_info *);
332 /* scanning support */
333 void (*ic_scan_start)(struct ieee80211com *);
334 void (*ic_scan_end)(struct ieee80211com *);
335 void (*ic_set_channel)(struct ieee80211com *);
336 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
337 unsigned long);
338 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
339
340 /*
341 * 802.11n ADDBA support. A simple/generic implementation
342 * of A-MPDU tx aggregation is provided; the driver may
343 * override these methods to provide their own support.
344 * A-MPDU rx re-ordering happens automatically if the
345 * driver passes out-of-order frames to ieee80211_input
346 * from an assocated HT station.
347 */
348 int (*ic_recv_action)(struct ieee80211_node *,
349 const struct ieee80211_frame *,
350 const uint8_t *frm, const uint8_t *efrm);
351 int (*ic_send_action)(struct ieee80211_node *,
352 int category, int action, void *);
353 /* check if A-MPDU should be enabled this station+ac */
354 int (*ic_ampdu_enable)(struct ieee80211_node *,
355 struct ieee80211_tx_ampdu *);
356 /* start/stop doing A-MPDU tx aggregation for a station */
357 int (*ic_addba_request)(struct ieee80211_node *,
358 struct ieee80211_tx_ampdu *,
359 int dialogtoken, int baparamset,
360 int batimeout);
361 int (*ic_addba_response)(struct ieee80211_node *,
362 struct ieee80211_tx_ampdu *,
363 int status, int baparamset, int batimeout);
364 void (*ic_addba_stop)(struct ieee80211_node *,
365 struct ieee80211_tx_ampdu *);
366 void (*ic_addba_response_timeout)(struct ieee80211_node *,
367 struct ieee80211_tx_ampdu *);
368 /* BAR response received */
369 void (*ic_bar_response)(struct ieee80211_node *,
370 struct ieee80211_tx_ampdu *, int status);
371 /* start/stop doing A-MPDU rx processing for a station */
372 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
373 struct ieee80211_rx_ampdu *, int baparamset,
374 int batimeout, int baseqctl);
375 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
376 struct ieee80211_rx_ampdu *);
377
378 /* The channel width has changed (20<->2040) */
379 void (*ic_update_chw)(struct ieee80211com *);
380
381 const struct debugnet80211_methods *ic_debugnet_meth;
382 uint64_t ic_spare[7];
383 };
384
385 struct ieee80211_aclator;
386 struct ieee80211_tdma_state;
387 struct ieee80211_mesh_state;
388 struct ieee80211_hwmp_state;
389 struct ieee80211_rx_histogram;
390 struct ieee80211_tx_histogram;
391
392 struct ieee80211vap {
393 struct ifmedia iv_media; /* interface media config */
394 struct ifnet *iv_ifp; /* associated device */
395 struct bpf_if *iv_rawbpf; /* packet filter structure */
396 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
397 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
398
399 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
400 struct ieee80211com *iv_ic; /* back ptr to common state */
401 /* MAC address: ifp or ic */
402 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
403 uint32_t iv_debug; /* debug msg flags */
404 struct ieee80211_stats iv_stats; /* statistics */
405
406 uint32_t iv_flags; /* state flags */
407 uint32_t iv_flags_ext; /* extended state flags */
408 uint32_t iv_flags_ht; /* HT state flags */
409 uint32_t iv_flags_ven; /* vendor state flags */
410 uint32_t iv_ifflags; /* ifnet flags */
411 uint32_t iv_caps; /* capabilities */
412 uint32_t iv_htcaps; /* HT capabilities */
413 uint32_t iv_htextcaps; /* HT extended capabilities */
414 uint32_t iv_com_state; /* com usage / detached flag */
415 enum ieee80211_opmode iv_opmode; /* operation mode */
416 enum ieee80211_state iv_state; /* state machine state */
417
418 /* Deferred state processing. */
419 enum ieee80211_state iv_nstate; /* next pending state (historic) */
420 #define NET80211_IV_NSTATE_NUM 8
421 int iv_nstate_b; /* First filled slot. */
422 int iv_nstate_n; /* # of filled slots. */
423 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */
424 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */
425 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM];
426
427 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
428 struct callout iv_mgtsend; /* mgmt frame response timer */
429 /* inactivity timer settings */
430 int iv_inact_init; /* setting for new station */
431 int iv_inact_auth; /* auth but not assoc setting */
432 int iv_inact_run; /* authorized setting */
433 int iv_inact_probe; /* inactive probe time */
434
435 /* VHT flags */
436 uint32_t iv_vht_flags; /* VHT state flags */
437 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */
438 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
439 uint32_t iv_vht_spare[4];
440
441 int iv_des_nssid; /* # desired ssids */
442 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
443 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
444 struct ieee80211_channel *iv_des_chan; /* desired channel */
445 uint16_t iv_des_mode; /* desired mode */
446 int iv_nicknamelen; /* XXX junk */
447 uint8_t iv_nickname[IEEE80211_NWID_LEN];
448 u_int iv_bgscanidle; /* bg scan idle threshold */
449 u_int iv_bgscanintvl; /* bg scan min interval */
450 u_int iv_scanvalid; /* scan cache valid threshold */
451 u_int iv_scanreq_duration;
452 u_int iv_scanreq_mindwell;
453 u_int iv_scanreq_maxdwell;
454 uint16_t iv_scanreq_flags;/* held scan request params */
455 uint8_t iv_scanreq_nssid;
456 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
457 /* sta-mode roaming state */
458 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
459 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
460
461 uint8_t iv_bmissthreshold;
462 uint8_t iv_bmiss_count; /* current beacon miss count */
463 int iv_bmiss_max; /* max bmiss before scan */
464 uint16_t iv_swbmiss_count;/* beacons in last period */
465 uint16_t iv_swbmiss_period;/* s/w bmiss period */
466 struct callout iv_swbmiss; /* s/w beacon miss timer */
467
468 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
469 int iv_ampdu_density;/* A-MPDU density */
470 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
471 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
472 u_int iv_ampdu_mintraffic[WME_NUM_AC];
473
474 struct ieee80211_beacon_offsets iv_bcn_off;
475 uint32_t *iv_aid_bitmap; /* association id map */
476 uint16_t iv_max_aid;
477 uint16_t iv_sta_assoc; /* stations associated */
478 uint16_t iv_ps_sta; /* stations in power save */
479 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
480 uint16_t iv_txseq; /* mcast xmit seq# space */
481 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
482 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
483 uint8_t iv_dtim_period; /* DTIM period */
484 uint8_t iv_dtim_count; /* DTIM count from last bcn */
485 /* set/unset aid pwrsav state */
486 uint8_t iv_quiet; /* Quiet Element */
487 uint8_t iv_quiet_count; /* constant count for Quiet Element */
488 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
489 uint8_t iv_quiet_period; /* period for Quiet Element */
490 uint16_t iv_quiet_duration; /* duration for Quiet Element */
491 uint16_t iv_quiet_offset; /* offset for Quiet Element */
492 int iv_csa_count; /* count for doing CSA */
493
494 struct ieee80211_node *iv_bss; /* information for this node */
495 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
496 uint16_t iv_rtsthreshold;
497 uint16_t iv_fragthreshold;
498 int iv_inact_timer; /* inactivity timer wait */
499 /* application-specified IE's to attach to mgt frames */
500 struct ieee80211_appie *iv_appie_beacon;
501 struct ieee80211_appie *iv_appie_probereq;
502 struct ieee80211_appie *iv_appie_proberesp;
503 struct ieee80211_appie *iv_appie_assocreq;
504 struct ieee80211_appie *iv_appie_assocresp;
505 struct ieee80211_appie *iv_appie_wpa;
506 uint8_t *iv_wpa_ie;
507 uint8_t *iv_rsn_ie;
508
509 /* Key management */
510 uint16_t iv_max_keyix; /* max h/w key index */
511 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
512 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
513 int (*iv_key_alloc)(struct ieee80211vap *,
514 struct ieee80211_key *,
515 ieee80211_keyix *, ieee80211_keyix *);
516 int (*iv_key_delete)(struct ieee80211vap *,
517 const struct ieee80211_key *);
518 int (*iv_key_set)(struct ieee80211vap *,
519 const struct ieee80211_key *);
520 void (*iv_key_update_begin)(struct ieee80211vap *);
521 void (*iv_key_update_end)(struct ieee80211vap *);
522 void (*iv_update_deftxkey)(struct ieee80211vap *,
523 ieee80211_keyix deftxkey);
524
525 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
526 void *iv_ec; /* private auth state */
527
528 const struct ieee80211_aclator *iv_acl; /* acl glue */
529 void *iv_as; /* private aclator state */
530
531 const struct ieee80211_ratectl *iv_rate;
532 void *iv_rs; /* private ratectl state */
533
534 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
535 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
536 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
537
538 /* operate-mode detach hook */
539 void (*iv_opdetach)(struct ieee80211vap *);
540 /* receive processing */
541 int (*iv_input)(struct ieee80211_node *,
542 struct mbuf *,
543 const struct ieee80211_rx_stats *,
544 int, int);
545 void (*iv_recv_mgmt)(struct ieee80211_node *,
546 struct mbuf *, int,
547 const struct ieee80211_rx_stats *,
548 int, int);
549 void (*iv_recv_ctl)(struct ieee80211_node *,
550 struct mbuf *, int);
551 void (*iv_deliver_data)(struct ieee80211vap *,
552 struct ieee80211_node *, struct mbuf *);
553 #if 0
554 /* send processing */
555 int (*iv_send_mgmt)(struct ieee80211_node *,
556 int, int);
557 #endif
558 /* beacon miss processing */
559 void (*iv_bmiss)(struct ieee80211vap *);
560 /* reset device state after 802.11 parameter/state change */
561 int (*iv_reset)(struct ieee80211vap *, u_long);
562 /* [schedule] beacon frame update */
563 void (*iv_update_beacon)(struct ieee80211vap *, int);
564 /* power save handling */
565 void (*iv_update_ps)(struct ieee80211vap *, int);
566 int (*iv_set_tim)(struct ieee80211_node *, int);
567 void (*iv_node_ps)(struct ieee80211_node *, int);
568 void (*iv_sta_ps)(struct ieee80211vap *, int);
569 void (*iv_recv_pspoll)(struct ieee80211_node *,
570 struct mbuf *);
571
572 /* state machine processing */
573 int (*iv_newstate)(struct ieee80211vap *,
574 enum ieee80211_state, int);
575 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
576 struct ieee80211_node *);
577
578 /* 802.3 output method for raw frame xmit */
579 int (*iv_output)(struct ifnet *, struct mbuf *,
580 const struct sockaddr *, struct route *);
581
582 int (*iv_wme_update)(struct ieee80211vap *,
583 const struct wmeParams *wme_params);
584 struct task iv_wme_task; /* deferred VAP WME update */
585
586 /* associated state; protection mode */
587 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */
588 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */
589 uint8_t iv_curhtprotmode;/* HTINFO bss state */
590
591 uint16_t iv_nonerpsta; /* # non-ERP stations */
592 uint16_t iv_longslotsta; /* # long slot time stations */
593 uint16_t iv_ht_sta_assoc;/* HT stations associated */
594 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */
595 int iv_lastnonerp; /* last time non-ERP sta noted*/
596 int iv_lastnonht; /* last time non-HT sta noted */
597
598 /* update device state for 802.11 slot time change */
599 void (*iv_updateslot)(struct ieee80211vap *);
600 struct task iv_slot_task; /* deferred slot time update */
601
602 struct task iv_erp_protmode_task; /* deferred ERP protmode update */
603 void (*iv_erp_protmode_update)(struct ieee80211vap *);
604
605 struct task iv_preamble_task; /* deferred short/barker preamble update */
606 void (*iv_preamble_update)(struct ieee80211vap *);
607
608 struct task iv_ht_protmode_task; /* deferred HT protmode update */
609 void (*iv_ht_protmode_update)(struct ieee80211vap *);
610
611 /* per-vap U-APSD state */
612 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */
613
614 /* Optional transmit/receive histogram statistics */
615 struct ieee80211_rx_histogram *rx_histogram;
616 struct ieee80211_tx_histogram *tx_histogram;
617
618 uint64_t iv_spare[36];
619 };
620 MALLOC_DECLARE(M_80211_VAP);
621
622 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
623 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
624
625 /* ic_flags/iv_flags */
626 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
627 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
628 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
629 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
630 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
631 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
632 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
633 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
634 /* 0x00000300 reserved */
635 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
636 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
637 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
638 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
639 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
640 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
641 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
642 /* 0x00030000 reserved */
643 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
644 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
645 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
646 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
647 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
648 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
649 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
650 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
651 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
652 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
653 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
654 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
655 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
656 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
657 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
658
659 #define IEEE80211_F_BITS \
660 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
661 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
662 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
663 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
664 "\37DOTH\40DWDS"
665
666 /* Atheros protocol-specific flags */
667 #define IEEE80211_F_ATHEROS \
668 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
669 /* Check if an Atheros capability was negotiated for use */
670 #define IEEE80211_ATH_CAP(vap, ni, bit) \
671 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
672
673 /* ic_flags_ext/iv_flags_ext */
674 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
675 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
676 /* 0x00000006 reserved */
677 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
678 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
679 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
680 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
681 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
682 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
683 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
684 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
685 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
686 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
687 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
688 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
689 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
690 /* NB: immutable: should be set only when creating a vap */
691 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
692 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
693 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
694 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
695 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
696 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
697 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
698 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
699 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */
700
701 #define IEEE80211_FEXT_BITS \
702 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
703 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
704 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
705 "\26FRAG_OFFLOAD\27VHT" \
706 "\30QUIET_IE\31UAPSD"
707
708 /* ic_flags_ht/iv_flags_ht */
709 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
710 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
711 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
712 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
713 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
714 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
715 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
716 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
717 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
718 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
719 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
720 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
721 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
722 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
723 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
724 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
725 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
726
727 #define IEEE80211_FHT_BITS \
728 "\20\1NONHT_PR" \
729 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
730 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
731 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
732
733 #define IEEE80211_FVEN_BITS "\20"
734
735 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
736 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
737 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
738 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */
739 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */
740 #define IEEE80211_FVHT_MASK \
741 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \
742 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \
743 IEEE80211_FVHT_USEVHT80P80)
744 #define IEEE80211_VFHT_BITS \
745 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80"
746
747 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */
748 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */
749 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */
750 #define IEEE80211_COM_REF_S 1
751 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S)
752
753 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
754 void ieee80211_ifattach(struct ieee80211com *);
755 void ieee80211_ifdetach(struct ieee80211com *);
756 void ieee80211_set_software_ciphers(struct ieee80211com *,
757 uint32_t cipher_suite);
758 void ieee80211_set_hardware_ciphers(struct ieee80211com *,
759 uint32_t cipher_suite);
760 void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic,
761 uint32_t keymgmt_set);
762 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
763 const char name[IFNAMSIZ], int unit,
764 enum ieee80211_opmode opmode, int flags,
765 const uint8_t bssid[IEEE80211_ADDR_LEN]);
766 int ieee80211_vap_attach(struct ieee80211vap *,
767 ifm_change_cb_t, ifm_stat_cb_t,
768 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
769 void ieee80211_vap_detach(struct ieee80211vap *);
770 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
771 const struct ieee80211_channel *);
772 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
773 struct ieee80211com *, const struct ieee80211_channel *);
774 void ieee80211_announce(struct ieee80211com *);
775 void ieee80211_announce_channels(struct ieee80211com *);
776 void ieee80211_drain(struct ieee80211com *);
777 void ieee80211_chan_init(struct ieee80211com *);
778 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
779 struct ieee80211com *ieee80211_find_com(const char *name);
780 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
781 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
782 int ieee80211_media_change(struct ifnet *);
783 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
784 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
785 int ieee80211_rate2media(struct ieee80211com *, int,
786 enum ieee80211_phymode);
787 int ieee80211_media2rate(int);
788 int ieee80211_mhz2ieee(u_int, u_int);
789 int ieee80211_chan2ieee(struct ieee80211com *,
790 const struct ieee80211_channel *);
791 u_int ieee80211_ieee2mhz(u_int, u_int);
792 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
793 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
794 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
795 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
796 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
797 uint8_t, int8_t, uint32_t);
798 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
799 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
800 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
801 #define NET80211_CBW_FLAG_HT40 0x01
802 #define NET80211_CBW_FLAG_VHT80 0x02
803 #define NET80211_CBW_FLAG_VHT160 0x04
804 #define NET80211_CBW_FLAG_VHT80P80 0x08
805 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
806 const uint8_t[], int, const uint8_t[], int);
807 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
808 int *, const uint8_t[], int);
809 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
810 const uint8_t[], int, const uint8_t[], int);
811 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
812 int freq, int flags);
813 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
814 int ieee, int flags);
815 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
816 const struct ieee80211_rx_stats *);
817 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
818 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
819 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
820 const uint8_t addr[IEEE80211_ADDR_LEN]);
821 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
822
823 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
824 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
825 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
826
827 void ieee80211_radiotap_attach(struct ieee80211com *,
828 struct ieee80211_radiotap_header *th, int tlen,
829 uint32_t tx_radiotap,
830 struct ieee80211_radiotap_header *rh, int rlen,
831 uint32_t rx_radiotap);
832 void ieee80211_radiotap_attachv(struct ieee80211com *,
833 struct ieee80211_radiotap_header *th,
834 int tlen, int n_tx_v, uint32_t tx_radiotap,
835 struct ieee80211_radiotap_header *rh,
836 int rlen, int n_rx_v, uint32_t rx_radiotap);
837 void ieee80211_radiotap_detach(struct ieee80211com *);
838 void ieee80211_radiotap_vattach(struct ieee80211vap *);
839 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
840 void ieee80211_radiotap_chan_change(struct ieee80211com *);
841 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
842 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
843 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
844
845 static __inline int
ieee80211_radiotap_active(const struct ieee80211com * ic)846 ieee80211_radiotap_active(const struct ieee80211com *ic)
847 {
848 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
849 }
850
851 static __inline int
ieee80211_radiotap_active_vap(const struct ieee80211vap * vap)852 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
853 {
854 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
855 vap->iv_ic->ic_montaps != 0;
856 }
857
858 /*
859 * Enqueue a task on the state thread.
860 */
861 static __inline void
ieee80211_runtask(struct ieee80211com * ic,struct task * task)862 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
863 {
864 taskqueue_enqueue(ic->ic_tq, task);
865 }
866
867 /*
868 * Wait for a queued task to complete.
869 */
870 static __inline void
ieee80211_draintask(struct ieee80211com * ic,struct task * task)871 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
872 {
873 taskqueue_drain(ic->ic_tq, task);
874 }
875
876 /*
877 * Key update synchronization methods. XXX should not be visible.
878 */
879 static __inline void
ieee80211_key_update_begin(struct ieee80211vap * vap)880 ieee80211_key_update_begin(struct ieee80211vap *vap)
881 {
882 vap->iv_key_update_begin(vap);
883 }
884 static __inline void
ieee80211_key_update_end(struct ieee80211vap * vap)885 ieee80211_key_update_end(struct ieee80211vap *vap)
886 {
887 vap->iv_key_update_end(vap);
888 }
889
890 /*
891 * XXX these need to be here for IEEE80211_F_DATAPAD
892 */
893
894 /*
895 * Return the space occupied by the 802.11 header and any
896 * padding required by the driver. This works for a
897 * management or data frame.
898 */
899 static __inline int
ieee80211_hdrspace(struct ieee80211com * ic,const void * data)900 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
901 {
902 int size = ieee80211_hdrsize(data);
903 if (ic->ic_flags & IEEE80211_F_DATAPAD)
904 size = roundup(size, sizeof(uint32_t));
905 return size;
906 }
907
908 /*
909 * Like ieee80211_hdrspace, but handles any type of frame.
910 */
911 static __inline int
ieee80211_anyhdrspace(struct ieee80211com * ic,const void * data)912 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
913 {
914 int size = ieee80211_anyhdrsize(data);
915 if (ic->ic_flags & IEEE80211_F_DATAPAD)
916 size = roundup(size, sizeof(uint32_t));
917 return size;
918 }
919
920 /*
921 * Notify a vap that beacon state has been updated.
922 */
923 static __inline void
ieee80211_beacon_notify(struct ieee80211vap * vap,int what)924 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
925 {
926 if (vap->iv_state == IEEE80211_S_RUN)
927 vap->iv_update_beacon(vap, what);
928 }
929
930 /*
931 * Calculate HT channel promotion flags for a channel.
932 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
933 */
934 static __inline int
ieee80211_htchanflags(const struct ieee80211_channel * c)935 ieee80211_htchanflags(const struct ieee80211_channel *c)
936 {
937 return IEEE80211_IS_CHAN_HT40(c) ?
938 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
939 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
940 }
941
942 /*
943 * Calculate VHT channel promotion flags for a channel.
944 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
945 */
946 static __inline int
ieee80211_vhtchanflags(const struct ieee80211_channel * c)947 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
948 {
949
950 if (IEEE80211_IS_CHAN_VHT160(c))
951 return IEEE80211_FVHT_USEVHT160;
952 if (IEEE80211_IS_CHAN_VHT80P80(c))
953 return IEEE80211_FVHT_USEVHT80P80;
954 if (IEEE80211_IS_CHAN_VHT80(c))
955 return IEEE80211_FVHT_USEVHT80;
956 if (IEEE80211_IS_CHAN_VHT40(c))
957 return IEEE80211_FVHT_USEVHT40;
958 if (IEEE80211_IS_CHAN_VHT(c))
959 return IEEE80211_FVHT_VHT;
960 return (0);
961 }
962
963 /*
964 * Fetch the current TX power (cap) for the given node.
965 *
966 * This includes the node and ic/vap TX power limit as needed,
967 * but it doesn't take into account any per-rate limit.
968 */
969 static __inline uint16_t
ieee80211_get_node_txpower(struct ieee80211_node * ni)970 ieee80211_get_node_txpower(struct ieee80211_node *ni)
971 {
972 struct ieee80211com *ic = ni->ni_ic;
973 uint16_t txpower;
974
975 txpower = ni->ni_txpower;
976 txpower = MIN(txpower, ic->ic_txpowlimit);
977 if (ic->ic_curchan != NULL) {
978 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
979 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
980 }
981
982 return (txpower);
983 }
984
985 /*
986 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
987 *
988 * The intent is that any problem in the net80211 layer can be
989 * diagnosed by inspecting the statistics (dumped by the wlanstats
990 * program) and/or the msgs generated by net80211. Messages are
991 * broken into functional classes and can be controlled with the
992 * wlandebug program. Certain of these msg groups are for facilities
993 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
994 */
995 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
996 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
997 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
998 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
999 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
1000 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
1001 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
1002 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
1003 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
1004 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
1005 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
1006 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
1007 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
1008 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
1009 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
1010 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
1011 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
1012 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
1013 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
1014 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
1015 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
1016 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
1017 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
1018 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
1019 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
1020 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
1021 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
1022 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
1023 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
1024 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
1025 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
1026
1027 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
1028
1029 #define IEEE80211_MSG_BITS \
1030 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
1031 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
1032 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
1033 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
1034
1035 /* Helper macros unified. */
1036 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1037 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1038
1039 #ifdef IEEE80211_DEBUG
1040 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
1041 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
1042 if (ieee80211_msg(_vap, _m)) \
1043 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
1044 } while (0)
1045 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
1046 if (ieee80211_msg(_vap, _m)) \
1047 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
1048 } while (0)
1049 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
1050 if (ieee80211_msg(_vap, _m)) \
1051 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
1052 } while (0)
1053 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
1054 if (ieee80211_msg(_vap, _m)) \
1055 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
1056 } while (0)
1057 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1058 void ieee80211_note_mac(const struct ieee80211vap *,
1059 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1060 void ieee80211_note_frame(const struct ieee80211vap *,
1061 const struct ieee80211_frame *, const char *, ...);
1062 #define ieee80211_msg_debug(_vap) \
1063 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
1064 #define ieee80211_msg_dumppkts(_vap) \
1065 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
1066 #define ieee80211_msg_input(_vap) \
1067 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
1068 #define ieee80211_msg_radius(_vap) \
1069 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
1070 #define ieee80211_msg_dumpradius(_vap) \
1071 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
1072 #define ieee80211_msg_dumpradkeys(_vap) \
1073 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1074 #define ieee80211_msg_scan(_vap) \
1075 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1076 #define ieee80211_msg_assoc(_vap) \
1077 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1078
1079 /*
1080 * Emit a debug message about discarding a frame or information
1081 * element. One format is for extracting the mac address from
1082 * the frame header; the other is for when a header is not
1083 * available or otherwise appropriate.
1084 */
1085 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1086 if ((_vap)->iv_debug & (_m)) \
1087 ieee80211_discard_frame(_vap, _wh, _type, \
1088 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1089 } while (0)
1090 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1091 if ((_vap)->iv_debug & (_m)) \
1092 ieee80211_discard_ie(_vap, _wh, _type, \
1093 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1094 } while (0)
1095 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1096 if ((_vap)->iv_debug & (_m)) \
1097 ieee80211_discard_mac(_vap, _mac, _type, \
1098 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1099 } while (0)
1100
1101 void ieee80211_discard_frame(const struct ieee80211vap *,
1102 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1103 void ieee80211_discard_ie(const struct ieee80211vap *,
1104 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1105 void ieee80211_discard_mac(const struct ieee80211vap *,
1106 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1107 const char *fmt, ...);
1108 #else
1109 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1110 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1111 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1112 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1113 #define ieee80211_msg_dumppkts(_vap) 0
1114 #define ieee80211_msg(_vap, _m) 0
1115
1116 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1117 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1118 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1119 #endif
1120
1121 #endif /* _NET80211_IEEE80211_VAR_H_ */
1122