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#define IEEE80211_CONF_AMPDU_OFFLOAD(ic) \
104 ((ic)->ic_flags_ext & IEEE80211_FEXT_AMPDU_OFFLOAD)
105
106/*
107 * 802.11 control state is split into a common portion that maps
108 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
109 * that are bound to an ieee80211com instance and share a single
110 * underlying device. Each VAP has a corresponding OS device
111 * entity through which traffic flows and that applications use
112 * for issuing ioctls, etc.
113 */
114
115/*
116 * Data common to one or more virtual AP's. State shared by
117 * the underlying device and the net80211 layer is exposed here;
118 * e.g. device-specific callbacks.
119 */
120struct ieee80211vap;
121typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
122
123struct ieee80211_appie {
124 uint16_t ie_len; /* size of ie_data */
125 uint8_t ie_data[]; /* user-specified IE's */
126};
127
128struct ieee80211_tdma_param;
129struct ieee80211_rate_table;
130struct ieee80211_tx_ampdu;
131struct ieee80211_rx_ampdu;
132struct ieee80211_superg;
133struct ieee80211_frame;
134
135struct net80211dump_methods;
136
137struct ieee80211com {
138 void *ic_softc; /* driver softc */
139 const char *ic_name; /* usually device name */
140 ieee80211_com_lock_t ic_comlock; /* state update lock */
141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
145 int ic_headroom; /* driver tx headroom needs */
146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
147 enum ieee80211_opmode ic_opmode; /* operation mode */
148 struct callout ic_inact; /* inactivity processing */
149 struct taskqueue *ic_tq; /* deferred state thread */
150 struct task ic_parent_task; /* deferred parent processing */
151 struct task ic_promisc_task;/* deferred promisc update */
152 struct task ic_mcast_task; /* deferred mcast update */
153 struct task ic_chan_task; /* deferred channel change */
154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
155 struct task ic_chw_task; /* deferred HT CHW update */
156 struct task ic_restart_task; /* deferred device restart */
157
158 counter_u64_t ic_ierrors; /* input errors */
159 counter_u64_t ic_oerrors; /* output errors */
160
161 uint32_t ic_flags; /* state flags */
162 uint32_t ic_flags_ext; /* extended state flags */
163 uint32_t ic_flags_ht; /* HT state flags */
164 uint32_t ic_flags_ven; /* vendor state flags */
165 uint32_t ic_caps; /* capabilities */
166 uint32_t ic_htcaps; /* HT capabilities */
167 uint32_t ic_htextcaps; /* HT extended capabilities */
168 /* driver-supported software crypto caps */
169 uint32_t ic_sw_cryptocaps;
170 uint32_t ic_cryptocaps; /* hardware crypto caps */
171 /* set of mode capabilities */
172 /* driver/net80211 sw KEYMGMT capabilities */
173 uint32_t ic_sw_keymgmtcaps;
174 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
175 uint8_t ic_promisc; /* vap's needing promisc mode */
176 uint8_t ic_allmulti; /* vap's needing all multicast*/
177 uint8_t ic_nrunning; /* vap's marked running */
178 uint8_t ic_curmode; /* current mode */
179 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
180 uint16_t ic_bintval; /* beacon interval */
181 uint16_t ic_lintval; /* listen interval */
182 uint16_t ic_holdover; /* PM hold over duration */
183 uint16_t ic_txpowlimit; /* global tx power limit */
184 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
185 struct ieee80211_htrateset ic_sup_htrates;
186
187 /*
188 * Channel state:
189 *
190 * ic_channels is the set of available channels for the device;
191 * it is setup by the driver
192 * ic_nchans is the number of valid entries in ic_channels
193 * ic_chan_avail is a bit vector of these channels used to check
194 * whether a channel is available w/o searching the channel table.
195 * ic_chan_active is a (potentially) constrained subset of
196 * ic_chan_avail that reflects any mode setting or user-specified
197 * limit on the set of channels to use/scan
198 * ic_curchan is the current channel the device is set to; it may
199 * be different from ic_bsschan when we are off-channel scanning
200 * or otherwise doing background work
201 * ic_bsschan is the channel selected for operation; it may
202 * be undefined (IEEE80211_CHAN_ANYC)
203 * ic_prevchan is a cached ``previous channel'' used to optimize
204 * lookups when switching back+forth between two channels
205 * (e.g. for dynamic turbo)
206 */
207 int ic_nchans; /* # entries in ic_channels */
208 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
209 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
210 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
211 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
212 struct ieee80211_channel *ic_curchan; /* current channel */
213 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
214 struct ieee80211_channel *ic_bsschan; /* bss channel */
215 struct ieee80211_channel *ic_prevchan; /* previous channel */
216 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
217 struct ieee80211_appie *ic_countryie; /* calculated country ie */
218 struct ieee80211_channel *ic_countryie_chan;
219
220 /* 802.11h/DFS state */
221 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
222 short ic_csa_mode; /* mode for doing CSA */
223 short ic_csa_count; /* count for doing CSA */
224 struct ieee80211_dfs_state ic_dfs; /* DFS state */
225
226 struct ieee80211_scan_state *ic_scan; /* scan state */
227 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
228 int ic_lastdata; /* time of last data frame */
229 int ic_lastscan; /* time last scan completed */
230
231 /* NB: this is the union of all vap stations/neighbors */
232 int ic_max_keyix; /* max h/w key index */
233 struct ieee80211_node_table ic_sta; /* stations/neighbors */
234 struct ieee80211_ageq ic_stageq; /* frame staging queue */
235 uint32_t ic_hash_key; /* random key for mac hash */
236
237 /* XXX multi-bss: split out common/vap parts */
238 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
239
240 /* Protection mode for net80211 driven channel NICs */
241 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
242 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
243 uint8_t ic_curhtprotmode;/* HTINFO bss state */
244
245 uint8_t ic_rxstream; /* # RX streams */
246 uint8_t ic_txstream; /* # TX streams */
247
248 /* VHT information */
249 uint32_t ic_vht_flags; /* VHT state flags */
250 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */
251 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
252 uint32_t ic_vht_spare[3];
253
254 /* optional state for Atheros SuperG protocol extensions */
255 struct ieee80211_superg *ic_superg;
256
257 /* radiotap handling */
258 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
259 void *ic_txchan; /* channel state in ic_th */
260 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
261 void *ic_rxchan; /* channel state in ic_rh */
262 int ic_montaps; /* active monitor mode taps */
263
264 /* virtual ap create/delete */
265 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
266 const char [IFNAMSIZ], int,
267 enum ieee80211_opmode, int,
268 const uint8_t [IEEE80211_ADDR_LEN],
269 const uint8_t [IEEE80211_ADDR_LEN]);
270 void (*ic_vap_delete)(struct ieee80211vap *);
271 /* device specific ioctls */
272 int (*ic_ioctl)(struct ieee80211com *,
273 u_long, void *);
274 /* start/stop device */
275 void (*ic_parent)(struct ieee80211com *);
276 /* operating mode attachment */
277 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
278 /* return hardware/radio capabilities */
279 void (*ic_getradiocaps)(struct ieee80211com *,
280 int, int *, struct ieee80211_channel []);
281 /* check and/or prepare regdomain state change */
282 int (*ic_setregdomain)(struct ieee80211com *,
283 struct ieee80211_regdomain *,
284 int, struct ieee80211_channel []);
285
286 int (*ic_set_quiet)(struct ieee80211_node *,
287 u_int8_t *quiet_elm);
288
289 /* regular transmit */
290 int (*ic_transmit)(struct ieee80211com *,
291 struct mbuf *);
292 /* send/recv 802.11 management frame */
293 int (*ic_send_mgmt)(struct ieee80211_node *,
294 int, int);
295 /* send raw 802.11 frame */
296 int (*ic_raw_xmit)(struct ieee80211_node *,
297 struct mbuf *,
298 const struct ieee80211_bpf_params *);
299 /* update device state for 802.11 slot time change */
300 void (*ic_updateslot)(struct ieee80211com *);
301 /* handle multicast state changes */
302 void (*ic_update_mcast)(struct ieee80211com *);
303 /* handle promiscuous mode changes */
304 void (*ic_update_promisc)(struct ieee80211com *);
305 /* new station association callback/notification */
306 void (*ic_newassoc)(struct ieee80211_node *, int);
307 /* TDMA update notification */
308 void (*ic_tdma_update)(struct ieee80211_node *,
309 const struct ieee80211_tdma_param *, int);
310
311 /* Node state management */
312
313 /* Allocate a new node */
314 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
315 const uint8_t [IEEE80211_ADDR_LEN]);
316
317 /* Driver node initialisation after net80211 setup */
318 int (*ic_node_init)(struct ieee80211_node *);
319
320 /* Driver node deallocation */
321 void (*ic_node_free)(struct ieee80211_node *);
322
323 /* Driver node state cleanup before deallocation */
324 void (*ic_node_cleanup)(struct ieee80211_node *);
325
326 void (*ic_node_age)(struct ieee80211_node *);
327 void (*ic_node_drain)(struct ieee80211_node *);
328 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
329 void (*ic_node_getsignal)(const struct ieee80211_node*,
330 int8_t *, int8_t *);
331 void (*ic_node_getmimoinfo)(
332 const struct ieee80211_node*,
333 struct ieee80211_mimo_info *);
334 /* scanning support */
335 void (*ic_scan_start)(struct ieee80211com *);
336 void (*ic_scan_end)(struct ieee80211com *);
337 void (*ic_set_channel)(struct ieee80211com *);
338 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
339 unsigned long);
340 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
341
342 /*
343 * 802.11n ADDBA support. A simple/generic implementation
344 * of A-MPDU tx aggregation is provided; the driver may
345 * override these methods to provide their own support.
346 * A-MPDU rx re-ordering happens automatically if the
347 * driver passes out-of-order frames to ieee80211_input
348 * from an assocated HT station.
349 */
350 int (*ic_recv_action)(struct ieee80211_node *,
351 const struct ieee80211_frame *,
352 const uint8_t *frm, const uint8_t *efrm);
353 int (*ic_send_action)(struct ieee80211_node *,
354 int category, int action, void *);
355 /* check if A-MPDU should be enabled this station+ac */
356 int (*ic_ampdu_enable)(struct ieee80211_node *,
357 struct ieee80211_tx_ampdu *);
358 /* start/stop doing A-MPDU tx aggregation for a station */
359 int (*ic_addba_request)(struct ieee80211_node *,
360 struct ieee80211_tx_ampdu *,
361 int dialogtoken, int baparamset,
362 int batimeout);
363 int (*ic_addba_response)(struct ieee80211_node *,
364 struct ieee80211_tx_ampdu *,
365 int status, int baparamset, int batimeout);
366 void (*ic_addba_stop)(struct ieee80211_node *,
367 struct ieee80211_tx_ampdu *);
368 void (*ic_addba_response_timeout)(struct ieee80211_node *,
369 struct ieee80211_tx_ampdu *);
370 /* BAR response received */
371 void (*ic_bar_response)(struct ieee80211_node *,
372 struct ieee80211_tx_ampdu *, int status);
373 /* start/stop doing A-MPDU rx processing for a station */
374 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
375 struct ieee80211_rx_ampdu *, int baparamset,
376 int batimeout, int baseqctl);
377 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
378 struct ieee80211_rx_ampdu *);
379
380 /* The channel width has changed (20<->2040) */
381 void (*ic_update_chw)(struct ieee80211com *);
382
383 const struct debugnet80211_methods *ic_debugnet_meth;
384 uint64_t ic_spare[7];
385};
386
387struct ieee80211_aclator;
388struct ieee80211_tdma_state;
389struct ieee80211_mesh_state;
390struct ieee80211_hwmp_state;
391struct ieee80211_rx_histogram;
392struct ieee80211_tx_histogram;
393
394struct ieee80211vap {
395 struct ifmedia iv_media; /* interface media config */
396 struct ifnet *iv_ifp; /* associated device */
397 struct bpf_if *iv_rawbpf; /* packet filter structure */
398 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
399 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
400
401 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
402 struct ieee80211com *iv_ic; /* back ptr to common state */
403 /* MAC address: ifp or ic */
404 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
405 uint32_t iv_debug; /* debug msg flags */
406 struct ieee80211_stats iv_stats; /* statistics */
407
408 uint32_t iv_flags; /* state flags */
409 uint32_t iv_flags_ext; /* extended state flags */
410 uint32_t iv_flags_ht; /* HT state flags */
411 uint32_t iv_flags_ven; /* vendor state flags */
412 uint32_t iv_ifflags; /* ifnet flags */
413 uint32_t iv_caps; /* capabilities */
414 uint32_t iv_htcaps; /* HT capabilities */
415 uint32_t iv_htextcaps; /* HT extended capabilities */
416 uint32_t iv_com_state; /* com usage / detached flag */
417 enum ieee80211_opmode iv_opmode; /* operation mode */
418 enum ieee80211_state iv_state; /* state machine state */
419
420 /* Deferred state processing. */
421 enum ieee80211_state iv_nstate; /* next pending state (historic) */
422#define NET80211_IV_NSTATE_NUM 8
423 int iv_nstate_b; /* First filled slot. */
424 int iv_nstate_n; /* # of filled slots. */
425 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */
426 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */
427 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM];
428
429 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
430 struct callout iv_mgtsend; /* mgmt frame response timer */
431 /* inactivity timer settings */
432 int iv_inact_init; /* setting for new station */
433 int iv_inact_auth; /* auth but not assoc setting */
434 int iv_inact_run; /* authorized setting */
435 int iv_inact_probe; /* inactive probe time */
436
437 /* VHT flags */
438 uint32_t iv_vht_flags; /* VHT state flags */
439 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */
440 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
441 uint32_t iv_vht_spare[4];
442
443 int iv_des_nssid; /* # desired ssids */
444 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
445 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
446 struct ieee80211_channel *iv_des_chan; /* desired channel */
447 uint16_t iv_des_mode; /* desired mode */
448 int iv_nicknamelen; /* XXX junk */
449 uint8_t iv_nickname[IEEE80211_NWID_LEN];
450 u_int iv_bgscanidle; /* bg scan idle threshold */
451 u_int iv_bgscanintvl; /* bg scan min interval */
452 u_int iv_scanvalid; /* scan cache valid threshold */
453 u_int iv_scanreq_duration;
454 u_int iv_scanreq_mindwell;
455 u_int iv_scanreq_maxdwell;
456 uint16_t iv_scanreq_flags;/* held scan request params */
457 uint8_t iv_scanreq_nssid;
458 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
459 /* sta-mode roaming state */
460 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
461 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
462
463 uint8_t iv_bmissthreshold;
464 uint8_t iv_bmiss_count; /* current beacon miss count */
465 int iv_bmiss_max; /* max bmiss before scan */
466 uint16_t iv_swbmiss_count;/* beacons in last period */
467 uint16_t iv_swbmiss_period;/* s/w bmiss period */
468 struct callout iv_swbmiss; /* s/w beacon miss timer */
469
470 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
471 int iv_ampdu_density;/* A-MPDU density */
472 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
473 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
474 u_int iv_ampdu_mintraffic[WME_NUM_AC];
475
476 struct ieee80211_beacon_offsets iv_bcn_off;
477 uint32_t *iv_aid_bitmap; /* association id map */
478 uint16_t iv_max_aid;
479 uint16_t iv_sta_assoc; /* stations associated */
480 uint16_t iv_ps_sta; /* stations in power save */
481 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
482 uint16_t iv_txseq; /* mcast xmit seq# space */
483 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
484 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
485 uint8_t iv_dtim_period; /* DTIM period */
486 uint8_t iv_dtim_count; /* DTIM count from last bcn */
487 /* set/unset aid pwrsav state */
488 uint8_t iv_quiet; /* Quiet Element */
489 uint8_t iv_quiet_count; /* constant count for Quiet Element */
490 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
491 uint8_t iv_quiet_period; /* period for Quiet Element */
492 uint16_t iv_quiet_duration; /* duration for Quiet Element */
493 uint16_t iv_quiet_offset; /* offset for Quiet Element */
494 int iv_csa_count; /* count for doing CSA */
495
496 struct ieee80211_node *iv_bss; /* information for this node */
497 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
498 uint16_t iv_rtsthreshold;
499 uint16_t iv_fragthreshold;
500 int iv_inact_timer; /* inactivity timer wait */
501 /* application-specified IE's to attach to mgt frames */
502 struct ieee80211_appie *iv_appie_beacon;
503 struct ieee80211_appie *iv_appie_probereq;
504 struct ieee80211_appie *iv_appie_proberesp;
505 struct ieee80211_appie *iv_appie_assocreq;
506 struct ieee80211_appie *iv_appie_assocresp;
507 struct ieee80211_appie *iv_appie_wpa;
508 uint8_t *iv_wpa_ie;
509 uint8_t *iv_rsn_ie;
510
511 /* Key management */
512 uint16_t iv_max_keyix; /* max h/w key index */
513 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
514 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
515 int (*iv_key_alloc)(struct ieee80211vap *,
516 struct ieee80211_key *,
517 ieee80211_keyix *, ieee80211_keyix *);
518 int (*iv_key_delete)(struct ieee80211vap *,
519 const struct ieee80211_key *);
520 int (*iv_key_set)(struct ieee80211vap *,
521 const struct ieee80211_key *);
522 void (*iv_key_update_begin)(struct ieee80211vap *);
523 void (*iv_key_update_end)(struct ieee80211vap *);
524 void (*iv_update_deftxkey)(struct ieee80211vap *,
525 ieee80211_keyix deftxkey);
526
527 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
528 void *iv_ec; /* private auth state */
529
530 const struct ieee80211_aclator *iv_acl; /* acl glue */
531 void *iv_as; /* private aclator state */
532
533 const struct ieee80211_ratectl *iv_rate;
534 void *iv_rs; /* private ratectl state */
535
536 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
537 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
538 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
539
540 /* operate-mode detach hook */
541 void (*iv_opdetach)(struct ieee80211vap *);
542 /* receive processing */
543 int (*iv_input)(struct ieee80211_node *,
544 struct mbuf *,
545 const struct ieee80211_rx_stats *,
546 int, int);
547 void (*iv_recv_mgmt)(struct ieee80211_node *,
548 struct mbuf *, int,
549 const struct ieee80211_rx_stats *,
550 int, int);
551 void (*iv_recv_ctl)(struct ieee80211_node *,
552 struct mbuf *, int);
553 void (*iv_deliver_data)(struct ieee80211vap *,
554 struct ieee80211_node *, struct mbuf *);
555#if 0
556 /* send processing */
557 int (*iv_send_mgmt)(struct ieee80211_node *,
558 int, int);
559#endif
560 /* beacon miss processing */
561 void (*iv_bmiss)(struct ieee80211vap *);
562 /* reset device state after 802.11 parameter/state change */
563 int (*iv_reset)(struct ieee80211vap *, u_long);
564 /* [schedule] beacon frame update */
565 void (*iv_update_beacon)(struct ieee80211vap *, int);
566 /* power save handling */
567 void (*iv_update_ps)(struct ieee80211vap *, int);
568 int (*iv_set_tim)(struct ieee80211_node *, int);
569 void (*iv_node_ps)(struct ieee80211_node *, int);
570 void (*iv_sta_ps)(struct ieee80211vap *, int);
571 void (*iv_recv_pspoll)(struct ieee80211_node *,
572 struct mbuf *);
573
574 /* state machine processing */
575 int (*iv_newstate)(struct ieee80211vap *,
576 enum ieee80211_state, int);
577 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
578 struct ieee80211_node *);
579
580 /* 802.3 output method for raw frame xmit */
581 int (*iv_output)(struct ifnet *, struct mbuf *,
582 const struct sockaddr *, struct route *);
583
584 int (*iv_wme_update)(struct ieee80211vap *,
585 const struct wmeParams *wme_params);
586 struct task iv_wme_task; /* deferred VAP WME update */
587
588 /* associated state; protection mode */
589 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */
590 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */
591 uint8_t iv_curhtprotmode;/* HTINFO bss state */
592
593 uint16_t iv_nonerpsta; /* # non-ERP stations */
594 uint16_t iv_longslotsta; /* # long slot time stations */
595 uint16_t iv_ht_sta_assoc;/* HT stations associated */
596 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */
597 int iv_lastnonerp; /* last time non-ERP sta noted*/
598 int iv_lastnonht; /* last time non-HT sta noted */
599
600 /* update device state for 802.11 slot time change */
601 void (*iv_updateslot)(struct ieee80211vap *);
602 struct task iv_slot_task; /* deferred slot time update */
603
604 struct task iv_erp_protmode_task; /* deferred ERP protmode update */
605 void (*iv_erp_protmode_update)(struct ieee80211vap *);
606
607 struct task iv_preamble_task; /* deferred short/barker preamble update */
608 void (*iv_preamble_update)(struct ieee80211vap *);
609
610 struct task iv_ht_protmode_task; /* deferred HT protmode update */
611 void (*iv_ht_protmode_update)(struct ieee80211vap *);
612
613 /* per-vap U-APSD state */
614 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */
615
616 /* Optional transmit/receive histogram statistics */
617 struct ieee80211_rx_histogram *rx_histogram;
618 struct ieee80211_tx_histogram *tx_histogram;
619
620 uint64_t iv_spare[36];
621};
622MALLOC_DECLARE(M_80211_VAP);
623
624#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
625#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
626
627/* ic_flags/iv_flags */
628#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
629#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
630#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
631#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
632/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
633#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
634#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
635#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
636/* 0x00000300 reserved */
637/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
638#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
639#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
640#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
641#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
642#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
643#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
644/* 0x00030000 reserved */
645#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
646#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
647#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
648#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
649#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
650#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
651#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
652#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
653#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
654#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
655#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
656#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
657#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
658#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
659#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
660
661#define IEEE80211_F_BITS \
662 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
663 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
664 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
665 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
666 "\37DOTH\40DWDS"
667
668/* Atheros protocol-specific flags */
669#define IEEE80211_F_ATHEROS \
670 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
671/* Check if an Atheros capability was negotiated for use */
672#define IEEE80211_ATH_CAP(vap, ni, bit) \
673 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
674
675/* ic_flags_ext/iv_flags_ext */
676#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
677#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
678/* 0x00000006 reserved */
679#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
680#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
681#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
682#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
683#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
684#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
685#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
686#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
687#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
688#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
689#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
690#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
691#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
692/* NB: immutable: should be set only when creating a vap */
693#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
694#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
695#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
696#define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
697#define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
698#define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
699#define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
700#define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
701#define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */
702#define IEEE80211_FEXT_AMPDU_OFFLOAD 0x02000000 /* CONF: driver/fw handles AMPDU[-TX] itself */
703
704#define IEEE80211_FEXT_BITS \
705 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
706 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
707 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
708 "\26FRAG_OFFLOAD\27VHT" \
709 "\30QUIET_IE\31UAPSD\32AMPDU_OFFLOAD"
710
711/* ic_flags_ht/iv_flags_ht */
712#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
713#define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
714#define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
715#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
716#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
717#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
718#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
719#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
720#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
721#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
722#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
723#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
724#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
725#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
726#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
727#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
728#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
729
730#define IEEE80211_FHT_BITS \
731 "\20\1NONHT_PR" \
732 "\21LDPC_TX\22LDPC_RX\23GF\24HT\25AMPDU_TX\26AMPDU_RX" \
733 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
734 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
735
736#define IEEE80211_FVEN_BITS "\20"
737
738/*
739 * These flags are compared in ieee80211_setupcurchan().
740 * Thus 160 should be > 80P80.
741 */
742#define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
743#define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
744#define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
745#define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */
746#define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */
747#define IEEE80211_FVHT_STBC_TX 0x00000020 /* CONF: STBC tx enabled */
748#define IEEE80211_FVHT_STBC_RX 0x00000040 /* CONF: STBC rx enabled */
749
750#define IEEE80211_FVHT_CHANWIDTH_MASK \
751 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \
752 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \
753 IEEE80211_FVHT_USEVHT80P80)
754
755#define IEEE80211_FVHT_MASK \
756 (IEEE80211_FVHT_CHANWIDTH_MASK | \
757 IEEE80211_FVHT_STBC_TX | IEEE80211_FVHT_STBC_RX)
758
759#define IEEE80211_VFHT_BITS \
760 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160\6STBC_TX\7STBC_RX"
761
762#define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */
763#define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */
764#define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */
765#define IEEE80211_COM_REF_S 1
766#define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S)
767
768/* TODO: Transition macro */
769#define ic_printf net80211_ic_printf
770
771void ieee80211_ifattach(struct ieee80211com *);
772void ieee80211_ifdetach(struct ieee80211com *);
773void ieee80211_set_software_ciphers(struct ieee80211com *,
774 uint32_t cipher_suite);
775void ieee80211_set_hardware_ciphers(struct ieee80211com *,
776 uint32_t cipher_suite);
777void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic,
778 uint32_t keymgmt_set);
779int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
780 const char name[IFNAMSIZ], int unit,
781 enum ieee80211_opmode opmode, int flags,
782 const uint8_t bssid[IEEE80211_ADDR_LEN]);
783int ieee80211_vap_attach(struct ieee80211vap *,
784 ifm_change_cb_t, ifm_stat_cb_t,
785 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
786void ieee80211_vap_detach(struct ieee80211vap *);
787const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
788 const struct ieee80211_channel *);
789const struct ieee80211_htrateset *ieee80211_get_suphtrates(
790 struct ieee80211com *, const struct ieee80211_channel *);
791void ieee80211_announce(struct ieee80211com *);
792void ieee80211_announce_channels(struct ieee80211com *);
793void ieee80211_drain(struct ieee80211com *);
794void ieee80211_chan_init(struct ieee80211com *);
795struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
796struct ieee80211com *ieee80211_find_com(const char *name);
797typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
798void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
799int ieee80211_media_change(struct ifnet *);
800void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
801int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
802int ieee80211_rate2media(struct ieee80211com *,
803 const struct ieee80211_node_txrate *,
804 enum ieee80211_phymode);
805int ieee80211_media2rate(int);
806int ieee80211_mhz2ieee(u_int, u_int);
807int ieee80211_chan2ieee(struct ieee80211com *,
808 const struct ieee80211_channel *);
809u_int ieee80211_ieee2mhz(u_int, u_int);
810int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
811 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
812int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
813 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
814int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
815 uint8_t, int8_t, uint32_t);
816uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
817uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
818uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
819#define NET80211_CBW_FLAG_HT40 0x01
820#define NET80211_CBW_FLAG_VHT80 0x02
821#define NET80211_CBW_FLAG_VHT160 0x04
822#define NET80211_CBW_FLAG_VHT80P80 0x08
823int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
824 const uint8_t[], int, const uint8_t[], int);
825int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
826 int *, const uint8_t[], int);
827int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
828 const uint8_t[], int, const uint8_t[], int);
829struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
830 int freq, int flags);
831struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
832 int ieee, int flags);
833struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
834 const struct ieee80211_rx_stats *);
835int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
836enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
837uint32_t ieee80211_mac_hash(const struct ieee80211com *,
838 const uint8_t addr[IEEE80211_ADDR_LEN]);
839char ieee80211_channel_type_char(const struct ieee80211_channel *c);
840
841#define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
842#define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
843#define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
844
845bool ieee80211_is_key_global(const struct ieee80211vap *vap,
846 const struct ieee80211_key *key);
847bool ieee80211_is_key_unicast(const struct ieee80211vap *vap,
848 const struct ieee80211_key *key);
849
850bool ieee80211_is_ctl_frame_for_vap(struct ieee80211_node *,
851 const struct mbuf *);
852
853void ieee80211_radiotap_attach(struct ieee80211com *,
854 struct ieee80211_radiotap_header *th, int tlen,
855 uint32_t tx_radiotap,
856 struct ieee80211_radiotap_header *rh, int rlen,
857 uint32_t rx_radiotap);
858void ieee80211_radiotap_attachv(struct ieee80211com *,
859 struct ieee80211_radiotap_header *th,
860 int tlen, int n_tx_v, uint32_t tx_radiotap,
861 struct ieee80211_radiotap_header *rh,
862 int rlen, int n_rx_v, uint32_t rx_radiotap);
863void ieee80211_radiotap_detach(struct ieee80211com *);
864void ieee80211_radiotap_vattach(struct ieee80211vap *);
865void ieee80211_radiotap_vdetach(struct ieee80211vap *);
866void ieee80211_radiotap_chan_change(struct ieee80211com *);
867void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
868void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
869void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
870
871static __inline int
872ieee80211_radiotap_active(const struct ieee80211com *ic)
873{
874 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
875}
876
877static __inline int
878ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
879{
880 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
881 vap->iv_ic->ic_montaps != 0;
882}
883
884/*
885 * Enqueue a task on the state thread.
886 */
887static __inline void
888ieee80211_runtask(struct ieee80211com *ic, struct task *task)
889{
890 taskqueue_enqueue(ic->ic_tq, task);
891}
892
893/*
894 * Wait for a queued task to complete.
895 */
896static __inline void
897ieee80211_draintask(struct ieee80211com *ic, struct task *task)
898{
899 taskqueue_drain(ic->ic_tq, task);
900}
901
902/*
903 * Key update synchronization methods. XXX should not be visible.
904 */
905static __inline void
906ieee80211_key_update_begin(struct ieee80211vap *vap)
907{
908 vap->iv_key_update_begin(vap);
909}
910static __inline void
911ieee80211_key_update_end(struct ieee80211vap *vap)
912{
913 vap->iv_key_update_end(vap);
914}
915
916/*
917 * XXX these need to be here for IEEE80211_F_DATAPAD
918 */
919
920/*
921 * Return the space occupied by the 802.11 header and any
922 * padding required by the driver. This works for a
923 * management or data frame.
924 */
925static __inline int
926ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
927{
928 int size = ieee80211_hdrsize(data);
929 if (ic->ic_flags & IEEE80211_F_DATAPAD)
930 size = roundup(size, sizeof(uint32_t));
931 return size;
932}
933
934/*
935 * Like ieee80211_hdrspace, but handles any type of frame.
936 */
937static __inline int
938ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
939{
940 int size = ieee80211_anyhdrsize(data);
941 if (ic->ic_flags & IEEE80211_F_DATAPAD)
942 size = roundup(size, sizeof(uint32_t));
943 return size;
944}
945
946/*
947 * Notify a vap that beacon state has been updated.
948 */
949static __inline void
950ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
951{
952 if (vap->iv_state == IEEE80211_S_RUN)
953 vap->iv_update_beacon(vap, what);
954}
955
956/*
957 * Calculate HT channel promotion flags for a channel.
958 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
959 */
960static __inline int
961ieee80211_htchanflags(const struct ieee80211_channel *c)
962{
963 return IEEE80211_IS_CHAN_HT40(c) ?
964 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
965 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
966}
967
968/*
969 * Calculate VHT channel promotion flags for a channel.
970 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
971 */
972static __inline int
973ieee80211_vhtchanflags(const struct ieee80211_channel *c)
974{
975
976 if (IEEE80211_IS_CHAN_VHT160(c))
977 return IEEE80211_FVHT_USEVHT160;
978 if (IEEE80211_IS_CHAN_VHT80P80(c))
979 return IEEE80211_FVHT_USEVHT80P80;
980 if (IEEE80211_IS_CHAN_VHT80(c))
981 return IEEE80211_FVHT_USEVHT80;
982 if (IEEE80211_IS_CHAN_VHT40(c))
983 return IEEE80211_FVHT_USEVHT40;
984 if (IEEE80211_IS_CHAN_VHT(c))
985 return IEEE80211_FVHT_VHT;
986 return (0);
987}
988
989/*
990 * Fetch the current TX power (cap) for the given node.
991 *
992 * This includes the node and ic/vap TX power limit as needed,
993 * but it doesn't take into account any per-rate limit.
994 */
995static __inline uint16_t
996ieee80211_get_node_txpower(struct ieee80211_node *ni)
997{
998 struct ieee80211com *ic = ni->ni_ic;
999 uint16_t txpower;
1000
1001 txpower = ni->ni_txpower;
1002 txpower = MIN(txpower, ic->ic_txpowlimit);
1003 if (ic->ic_curchan != NULL) {
1004 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
1005 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
1006 }
1007
1008 return (txpower);
1009}
1010
1011/*
1012 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
1013 *
1014 * The intent is that any problem in the net80211 layer can be
1015 * diagnosed by inspecting the statistics (dumped by the wlanstat
1016 * program) and/or the msgs generated by net80211. Messages are
1017 * broken into functional classes and can be controlled with the
1018 * wlandebug program. Certain of these msg groups are for facilities
1019 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
1020 */
1021#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
1022#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
1023#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
1024#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
1025#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
1026#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
1027#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
1028#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
1029#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
1030#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
1031#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
1032#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
1033#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
1034#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
1035#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
1036#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
1037#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
1038#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
1039#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
1040#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
1041#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
1042#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
1043#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
1044#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
1045#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
1046#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
1047#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
1048#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
1049#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
1050#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
1051#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
1052
1053#define IEEE80211_MSG_ANY 0xffffffff /* anything */
1054
1055#define IEEE80211_MSG_BITS \
1056 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
1057 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
1058 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
1059 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
1060
1061/* Helper macros unified. */
1062#define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1063#define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1064
1065#ifdef IEEE80211_DEBUG
1066#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
1067#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
1068 if (ieee80211_msg(_vap, _m)) \
1069 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
1070} while (0)
1071#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
1072 if (ieee80211_msg(_vap, _m)) \
1073 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
1074} while (0)
1075#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
1076 if (ieee80211_msg(_vap, _m)) \
1077 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
1078} while (0)
1079#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
1080 if (ieee80211_msg(_vap, _m)) \
1081 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
1082} while (0)
1083void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1084void ieee80211_note_mac(const struct ieee80211vap *,
1085 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1086void ieee80211_note_frame(const struct ieee80211vap *,
1087 const struct ieee80211_frame *, const char *, ...);
1088#define ieee80211_msg_debug(_vap) \
1089 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
1090#define ieee80211_msg_dumppkts(_vap) \
1091 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
1092#define ieee80211_msg_input(_vap) \
1093 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
1094#define ieee80211_msg_radius(_vap) \
1095 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
1096#define ieee80211_msg_dumpradius(_vap) \
1097 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
1098#define ieee80211_msg_dumpradkeys(_vap) \
1099 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1100#define ieee80211_msg_scan(_vap) \
1101 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1102#define ieee80211_msg_assoc(_vap) \
1103 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1104
1105/*
1106 * Emit a debug message about discarding a frame or information
1107 * element. One format is for extracting the mac address from
1108 * the frame header; the other is for when a header is not
1109 * available or otherwise appropriate.
1110 */
1111#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1112 if ((_vap)->iv_debug & (_m)) \
1113 ieee80211_discard_frame(_vap, _wh, _type, \
1114 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1115} while (0)
1116#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1117 if ((_vap)->iv_debug & (_m)) \
1118 ieee80211_discard_ie(_vap, _wh, _type, \
1119 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1120} while (0)
1121#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1122 if ((_vap)->iv_debug & (_m)) \
1123 ieee80211_discard_mac(_vap, _mac, _type, \
1124 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1125} while (0)
1126
1127void ieee80211_discard_frame(const struct ieee80211vap *,
1128 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1129void ieee80211_discard_ie(const struct ieee80211vap *,
1130 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1131void ieee80211_discard_mac(const struct ieee80211vap *,
1132 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1133 const char *fmt, ...);
1134#else
1135#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1136#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1137#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1138#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1139#define ieee80211_msg_dumppkts(_vap) 0
1140#define ieee80211_msg(_vap, _m) 0
1141
1142#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1143#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1144#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1145#endif
1146
1147#endif /* _NET80211_IEEE80211_VAR_H_ */