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 */
120 struct ieee80211vap;
121 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
122
123 struct ieee80211_appie {
124 uint16_t ie_len; /* size of ie_data */
125 uint8_t ie_data[]; /* user-specified IE's */
126 };
127
128 struct ieee80211_tdma_param;
129 struct ieee80211_rate_table;
130 struct ieee80211_tx_ampdu;
131 struct ieee80211_rx_ampdu;
132 struct ieee80211_superg;
133 struct ieee80211_frame;
134
135 struct net80211dump_methods;
136
137 /**
138 * @brief ieee80211com - the top level driver / hardware instance.
139 */
140 struct ieee80211com {
141 void *ic_softc; /**< pointer to driver softc */
142 const char *ic_name; /* usually device name */
143 ieee80211_com_lock_t ic_comlock; /* state update lock */
144 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
145 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
146 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
147 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
148 int ic_headroom; /* driver tx headroom needs */
149 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
150 enum ieee80211_opmode ic_opmode; /* operation mode */
151 struct callout ic_inact; /* inactivity processing */
152 struct taskqueue *ic_tq; /* deferred state thread */
153 struct task ic_parent_task; /* deferred parent processing */
154 struct task ic_promisc_task;/* deferred promisc update */
155 struct task ic_mcast_task; /* deferred mcast update */
156 struct task ic_chan_task; /* deferred channel change */
157 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
158 struct task ic_chw_task; /* deferred HT CHW update */
159 struct task ic_restart_task; /* deferred device restart */
160
161 counter_u64_t ic_ierrors; /* input errors */
162 counter_u64_t ic_oerrors; /* output errors */
163
164 uint32_t ic_flags; /* state flags */
165 uint32_t ic_flags_ext; /* extended state flags */
166 uint32_t ic_flags_ht; /* HT state flags */
167 uint32_t ic_flags_ven; /* vendor state flags */
168 uint32_t ic_caps; /* capabilities */
169 uint32_t ic_htcaps; /* HT capabilities */
170 uint32_t ic_htextcaps; /* HT extended capabilities */
171 /* driver-supported software crypto caps */
172 uint32_t ic_sw_cryptocaps;
173 uint32_t ic_cryptocaps; /* hardware crypto caps */
174 /* set of mode capabilities */
175 /* driver/net80211 sw KEYMGMT capabilities */
176 uint32_t ic_sw_keymgmtcaps;
177 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
178 uint8_t ic_promisc; /* vap's needing promisc mode */
179 uint8_t ic_allmulti; /* vap's needing all multicast*/
180 uint8_t ic_nrunning; /* vap's marked running */
181 uint8_t ic_curmode; /* current mode */
182 /**
183 * @brief Driver assigned MAC address.
184 *
185 * Drivers are required to populate ic_macaddr at attach time with
186 * the MAC address of the device. It is then used as the base for
187 * MAC addresses created for VAP interfaces.
188 */
189 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
190
191 uint16_t ic_bintval; /* beacon interval */
192 uint16_t ic_lintval; /* listen interval */
193 uint16_t ic_holdover; /* PM hold over duration */
194 uint16_t ic_txpowlimit; /* global tx power limit */
195 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
196 struct ieee80211_htrateset ic_sup_htrates;
197
198 /*
199 * Channel state:
200 *
201 * ic_channels is the set of available channels for the device;
202 * it is setup by the driver
203 * ic_nchans is the number of valid entries in ic_channels
204 * ic_chan_avail is a bit vector of these channels used to check
205 * whether a channel is available w/o searching the channel table.
206 * ic_chan_active is a (potentially) constrained subset of
207 * ic_chan_avail that reflects any mode setting or user-specified
208 * limit on the set of channels to use/scan
209 * ic_curchan is the current channel the device is set to; it may
210 * be different from ic_bsschan when we are off-channel scanning
211 * or otherwise doing background work
212 * ic_bsschan is the channel selected for operation; it may
213 * be undefined (IEEE80211_CHAN_ANYC)
214 * ic_prevchan is a cached ``previous channel'' used to optimize
215 * lookups when switching back+forth between two channels
216 * (e.g. for dynamic turbo)
217 */
218 int ic_nchans; /* # entries in ic_channels */
219 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
220 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
221 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
222 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
223 struct ieee80211_channel *ic_curchan; /* current channel */
224 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
225 struct ieee80211_channel *ic_bsschan; /* bss channel */
226 struct ieee80211_channel *ic_prevchan; /* previous channel */
227 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
228 struct ieee80211_appie *ic_countryie; /* calculated country ie */
229 struct ieee80211_channel *ic_countryie_chan;
230
231 /* 802.11h/DFS state */
232 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
233 short ic_csa_mode; /* mode for doing CSA */
234 short ic_csa_count; /* count for doing CSA */
235 struct ieee80211_dfs_state ic_dfs; /* DFS state */
236
237 struct ieee80211_scan_state *ic_scan; /* scan state */
238 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
239 int ic_lastdata; /* time of last data frame */
240 int ic_lastscan; /* time last scan completed */
241
242 /* NB: this is the union of all vap stations/neighbors */
243 int ic_max_keyix; /* max h/w key index */
244 struct ieee80211_node_table ic_sta; /* stations/neighbors */
245 struct ieee80211_ageq ic_stageq; /* frame staging queue */
246 uint32_t ic_hash_key; /* random key for mac hash */
247
248 /* XXX multi-bss: split out common/vap parts */
249 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
250
251 /* Protection mode for net80211 driven channel NICs */
252 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
253 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
254 uint8_t ic_curhtprotmode;/* HTINFO bss state */
255
256 uint8_t ic_rxstream; /* # RX streams */
257 uint8_t ic_txstream; /* # TX streams */
258
259 /* VHT information */
260 uint32_t ic_vht_flags; /* VHT state flags */
261 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */
262 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */
263 uint32_t ic_vht_spare[3];
264
265 /* optional state for Atheros SuperG protocol extensions */
266 struct ieee80211_superg *ic_superg;
267
268 /* radiotap handling */
269 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
270 void *ic_txchan; /* channel state in ic_th */
271 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
272 void *ic_rxchan; /* channel state in ic_rh */
273 int ic_montaps; /* active monitor mode taps */
274
275 /* virtual ap create/delete */
276 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
277 const char [IFNAMSIZ], int,
278 enum ieee80211_opmode, int,
279 const uint8_t [IEEE80211_ADDR_LEN],
280 const uint8_t [IEEE80211_ADDR_LEN]);
281 void (*ic_vap_delete)(struct ieee80211vap *);
282 /* device specific ioctls */
283 int (*ic_ioctl)(struct ieee80211com *,
284 u_long, void *);
285 /* start/stop device */
286 void (*ic_parent)(struct ieee80211com *);
287 /* operating mode attachment */
288 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
289 /* return hardware/radio capabilities */
290 void (*ic_getradiocaps)(struct ieee80211com *,
291 int, int *, struct ieee80211_channel []);
292 /* check and/or prepare regdomain state change */
293 int (*ic_setregdomain)(struct ieee80211com *,
294 struct ieee80211_regdomain *,
295 int, struct ieee80211_channel []);
296
297 /**
298 * @brief Handle the quiet time information element configuration.
299 *
300 * This allows drivers/modules to tie into the quiet time IE
301 * for controlling the transmit duty cycle. This may be required
302 * for more accurate radar detection.
303 *
304 * @param ni The ieee80211_node which transmitted the IE (eg in a scan)
305 * or if unknown, the BSSID node
306 * @param quiet_elm the quiet time element contents to parse/handle
307 * @returns 0 for OK, non-zero with errno (eg ENOSYS)
308 */
309 int (*ic_set_quiet)(struct ieee80211_node *ni,
310 u_int8_t *quiet_elm);
311
312 /* regular transmit */
313 int (*ic_transmit)(struct ieee80211com *,
314 struct mbuf *);
315 /* send/recv 802.11 management frame */
316 int (*ic_send_mgmt)(struct ieee80211_node *,
317 int, int);
318 /* send raw 802.11 frame */
319 int (*ic_raw_xmit)(struct ieee80211_node *,
320 struct mbuf *,
321 const struct ieee80211_bpf_params *);
322 /** update device state for 802.11 slot time change */
323 void (*ic_updateslot)(struct ieee80211com *);
324 /* handle multicast state changes */
325 void (*ic_update_mcast)(struct ieee80211com *);
326 /* handle promiscuous mode changes */
327 void (*ic_update_promisc)(struct ieee80211com *);
328 /* new station association callback/notification */
329 void (*ic_newassoc)(struct ieee80211_node *, int);
330 /* TDMA update notification */
331 void (*ic_tdma_update)(struct ieee80211_node *,
332 const struct ieee80211_tdma_param *, int);
333
334 /* Node state management */
335
336 /* Allocate a new node */
337 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
338 const uint8_t [IEEE80211_ADDR_LEN]);
339
340 /* Driver node initialisation after net80211 setup */
341 int (*ic_node_init)(struct ieee80211_node *);
342
343 /* Driver node deallocation */
344 void (*ic_node_free)(struct ieee80211_node *);
345
346 /* Driver node state cleanup before deallocation */
347 void (*ic_node_cleanup)(struct ieee80211_node *);
348
349 void (*ic_node_age)(struct ieee80211_node *);
350 void (*ic_node_drain)(struct ieee80211_node *);
351 net80211_rssi_t (*ic_node_getrssi)(const struct ieee80211_node*);
352 void (*ic_node_getsignal)(const struct ieee80211_node*,
353 net80211_rssi_t *, int8_t *);
354 void (*ic_node_getmimoinfo)(
355 const struct ieee80211_node*,
356 struct ieee80211_mimo_info *);
357 /* scanning support */
358 void (*ic_scan_start)(struct ieee80211com *);
359 void (*ic_scan_end)(struct ieee80211com *);
360 void (*ic_set_channel)(struct ieee80211com *);
361 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
362 unsigned long);
363 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
364
365 /*
366 * 802.11n ADDBA support. A simple/generic implementation
367 * of A-MPDU tx aggregation is provided; the driver may
368 * override these methods to provide their own support.
369 * A-MPDU rx re-ordering happens automatically if the
370 * driver passes out-of-order frames to ieee80211_input
371 * from an assocated HT station.
372 */
373 int (*ic_recv_action)(struct ieee80211_node *,
374 const struct ieee80211_frame *,
375 const uint8_t *frm, const uint8_t *efrm);
376 int (*ic_send_action)(struct ieee80211_node *,
377 int category, int action, void *);
378 /* check if A-MPDU should be enabled this station+ac */
379 int (*ic_ampdu_enable)(struct ieee80211_node *,
380 struct ieee80211_tx_ampdu *);
381 /* start/stop doing A-MPDU tx aggregation for a station */
382 int (*ic_addba_request)(struct ieee80211_node *,
383 struct ieee80211_tx_ampdu *,
384 int dialogtoken, int baparamset,
385 int batimeout);
386 int (*ic_addba_response)(struct ieee80211_node *,
387 struct ieee80211_tx_ampdu *,
388 int status, int baparamset, int batimeout);
389 void (*ic_addba_stop)(struct ieee80211_node *,
390 struct ieee80211_tx_ampdu *);
391 void (*ic_addba_response_timeout)(struct ieee80211_node *,
392 struct ieee80211_tx_ampdu *);
393 /* BAR response received */
394 void (*ic_bar_response)(struct ieee80211_node *,
395 struct ieee80211_tx_ampdu *, int status);
396 /* start/stop doing A-MPDU rx processing for a station */
397 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
398 struct ieee80211_rx_ampdu *, int baparamset,
399 int batimeout, int baseqctl);
400 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
401 struct ieee80211_rx_ampdu *);
402
403 /* The channel width has changed (20<->2040) */
404 void (*ic_update_chw)(struct ieee80211com *);
405
406 const struct debugnet80211_methods *ic_debugnet_meth;
407 uint64_t ic_spare[7];
408 };
409
410 struct ieee80211_aclator;
411 struct ieee80211_tdma_state;
412 struct ieee80211_mesh_state;
413 struct ieee80211_hwmp_state;
414 struct ieee80211_rx_histogram;
415 struct ieee80211_tx_histogram;
416
417 struct ieee80211vap {
418 struct ifmedia iv_media; /* interface media config */
419 struct ifnet *iv_ifp; /* associated device */
420 struct bpf_if *iv_rawbpf; /* packet filter structure */
421 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
422 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
423
424 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
425 struct ieee80211com *iv_ic; /* back ptr to common state */
426 /* MAC address: ifp or ic */
427 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
428 uint32_t iv_debug; /* debug msg flags */
429 struct ieee80211_stats iv_stats; /* statistics */
430
431 uint32_t iv_flags; /* state flags */
432 uint32_t iv_flags_ext; /* extended state flags */
433 uint32_t iv_flags_ht; /* HT state flags */
434 uint32_t iv_flags_ven; /* vendor state flags */
435 uint32_t iv_ifflags; /* ifnet flags */
436 uint32_t iv_caps; /* capabilities */
437 uint32_t iv_htcaps; /* HT capabilities */
438 uint32_t iv_htextcaps; /* HT extended capabilities */
439 uint32_t iv_com_state; /* com usage / detached flag */
440 enum ieee80211_opmode iv_opmode; /* operation mode */
441 enum ieee80211_state iv_state; /* state machine state */
442
443 /* Deferred state processing. */
444 enum ieee80211_state iv_nstate; /* next pending state (historic) */
445 #define NET80211_IV_NSTATE_NUM 8
446 int iv_nstate_b; /* First filled slot. */
447 int iv_nstate_n; /* # of filled slots. */
448 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */
449 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */
450 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM];
451
452 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
453 struct callout iv_mgtsend; /* mgmt frame response timer */
454 /* inactivity timer settings */
455 int iv_inact_init; /* setting for new station */
456 int iv_inact_auth; /* auth but not assoc setting */
457 int iv_inact_run; /* authorized setting */
458 int iv_inact_probe; /* inactive probe time */
459
460 /* VHT flags */
461 uint32_t iv_vht_flags; /* VHT state flags */
462 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */
463 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */
464 uint32_t iv_vht_spare[4];
465
466 int iv_des_nssid; /* # desired ssids */
467 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
468 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
469 struct ieee80211_channel *iv_des_chan; /* desired channel */
470 uint16_t iv_des_mode; /* desired mode */
471 int iv_nicknamelen; /* XXX junk */
472 uint8_t iv_nickname[IEEE80211_NWID_LEN];
473 u_int iv_bgscanidle; /* bg scan idle threshold */
474 u_int iv_bgscanintvl; /* bg scan min interval */
475 u_int iv_scanvalid; /* scan cache valid threshold */
476 u_int iv_scanreq_duration;
477 u_int iv_scanreq_mindwell;
478 u_int iv_scanreq_maxdwell;
479 uint16_t iv_scanreq_flags;/* held scan request params */
480 uint8_t iv_scanreq_nssid;
481 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
482 /* sta-mode roaming state */
483 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
484 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
485
486 uint8_t iv_bmissthreshold;
487 uint8_t iv_bmiss_count; /* current beacon miss count */
488 int iv_bmiss_max; /* max bmiss before scan */
489 uint16_t iv_swbmiss_count;/* beacons in last period */
490 uint16_t iv_swbmiss_period;/* s/w bmiss period */
491 struct callout iv_swbmiss; /* s/w beacon miss timer */
492
493 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
494 int iv_ampdu_density;/* A-MPDU density */
495 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
496 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
497 u_int iv_ampdu_mintraffic[WME_NUM_AC];
498
499 struct ieee80211_beacon_offsets iv_bcn_off;
500 uint32_t *iv_aid_bitmap; /* association id map */
501 uint16_t iv_max_aid;
502 uint16_t iv_sta_assoc; /* stations associated */
503 uint16_t iv_ps_sta; /* stations in power save */
504 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
505 uint16_t iv_txseq; /* mcast xmit seq# space */
506 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
507 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
508 uint8_t iv_dtim_period; /* DTIM period */
509 uint8_t iv_dtim_count; /* DTIM count from last bcn */
510 /* set/unset aid pwrsav state */
511 uint8_t iv_quiet; /* Quiet Element */
512 uint8_t iv_quiet_count; /* constant count for Quiet Element */
513 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
514 uint8_t iv_quiet_period; /* period for Quiet Element */
515 uint16_t iv_quiet_duration; /* duration for Quiet Element */
516 uint16_t iv_quiet_offset; /* offset for Quiet Element */
517 int iv_csa_count; /* count for doing CSA */
518
519 struct ieee80211_node *iv_bss; /* information for this node */
520 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
521 uint16_t iv_rtsthreshold;
522 uint16_t iv_fragthreshold;
523 int iv_inact_timer; /* inactivity timer wait */
524 /* application-specified IE's to attach to mgt frames */
525 struct ieee80211_appie *iv_appie_beacon;
526 struct ieee80211_appie *iv_appie_probereq;
527 struct ieee80211_appie *iv_appie_proberesp;
528 struct ieee80211_appie *iv_appie_assocreq;
529 struct ieee80211_appie *iv_appie_assocresp;
530 struct ieee80211_appie *iv_appie_wpa;
531 uint8_t *iv_wpa_ie;
532 uint8_t *iv_rsn_ie;
533
534 /* Key management */
535 uint16_t iv_max_keyix; /* max h/w key index */
536 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
537 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
538 int (*iv_key_alloc)(struct ieee80211vap *,
539 struct ieee80211_key *,
540 ieee80211_keyix *, ieee80211_keyix *);
541 int (*iv_key_delete)(struct ieee80211vap *,
542 const struct ieee80211_key *);
543 int (*iv_key_set)(struct ieee80211vap *,
544 const struct ieee80211_key *);
545 void (*iv_key_update_begin)(struct ieee80211vap *);
546 void (*iv_key_update_end)(struct ieee80211vap *);
547 void (*iv_update_deftxkey)(struct ieee80211vap *,
548 ieee80211_keyix deftxkey);
549
550 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
551 void *iv_ec; /* private auth state */
552
553 const struct ieee80211_aclator *iv_acl; /* acl glue */
554 void *iv_as; /* private aclator state */
555
556 const struct ieee80211_ratectl *iv_rate;
557 void *iv_rs; /* private ratectl state */
558
559 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
560 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
561 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
562
563 /* operate-mode detach hook */
564 void (*iv_opdetach)(struct ieee80211vap *);
565 /* receive processing */
566 int (*iv_input)(struct ieee80211_node *,
567 struct mbuf *,
568 const struct ieee80211_rx_stats *,
569 net80211_rssi_t, int);
570 void (*iv_recv_mgmt)(struct ieee80211_node *,
571 struct mbuf *, int,
572 const struct ieee80211_rx_stats *,
573 int, int);
574 void (*iv_recv_ctl)(struct ieee80211_node *,
575 struct mbuf *, int);
576 void (*iv_deliver_data)(struct ieee80211vap *,
577 struct ieee80211_node *, struct mbuf *);
578 #if 0
579 /* send processing */
580 int (*iv_send_mgmt)(struct ieee80211_node *,
581 int, int);
582 #endif
583 /* beacon miss processing */
584 void (*iv_bmiss)(struct ieee80211vap *);
585 /* reset device state after 802.11 parameter/state change */
586 int (*iv_reset)(struct ieee80211vap *, u_long);
587 /* [schedule] beacon frame update */
588 void (*iv_update_beacon)(struct ieee80211vap *, int);
589 /* power save handling */
590 void (*iv_update_ps)(struct ieee80211vap *, int);
591 int (*iv_set_tim)(struct ieee80211_node *, int);
592 void (*iv_node_ps)(struct ieee80211_node *, int);
593 void (*iv_sta_ps)(struct ieee80211vap *, int);
594 void (*iv_recv_pspoll)(struct ieee80211_node *,
595 struct mbuf *);
596
597 /* state machine processing */
598 int (*iv_newstate)(struct ieee80211vap *,
599 enum ieee80211_state, int);
600 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
601 struct ieee80211_node *);
602
603 /* 802.3 output method for raw frame xmit */
604 int (*iv_output)(struct ifnet *, struct mbuf *,
605 const struct sockaddr *, struct route *);
606
607 int (*iv_wme_update)(struct ieee80211vap *,
608 const struct wmeParams *wme_params);
609 struct task iv_wme_task; /* deferred VAP WME update */
610
611 /* associated state; protection mode */
612 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */
613 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */
614 uint8_t iv_curhtprotmode;/* HTINFO bss state */
615
616 uint16_t iv_nonerpsta; /* # non-ERP stations */
617 uint16_t iv_longslotsta; /* # long slot time stations */
618 uint16_t iv_ht_sta_assoc;/* HT stations associated */
619 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */
620 int iv_lastnonerp; /* last time non-ERP sta noted*/
621 int iv_lastnonht; /* last time non-HT sta noted */
622
623 /* update device state for 802.11 slot time change */
624 void (*iv_updateslot)(struct ieee80211vap *);
625 struct task iv_slot_task; /* deferred slot time update */
626
627 struct task iv_erp_protmode_task; /* deferred ERP protmode update */
628 void (*iv_erp_protmode_update)(struct ieee80211vap *);
629
630 struct task iv_preamble_task; /* deferred short/barker preamble update */
631 void (*iv_preamble_update)(struct ieee80211vap *);
632
633 struct task iv_ht_protmode_task; /* deferred HT protmode update */
634 void (*iv_ht_protmode_update)(struct ieee80211vap *);
635
636 /* per-vap U-APSD state */
637 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */
638
639 /* Optional transmit/receive histogram statistics */
640 struct ieee80211_rx_histogram *rx_histogram;
641 struct ieee80211_tx_histogram *tx_histogram;
642
643 uint64_t iv_spare[36];
644 };
645 MALLOC_DECLARE(M_80211_VAP);
646
647 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
648 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
649
650 /* ic_flags/iv_flags */
651 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
652 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
653 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
654 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
655 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
656 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
657 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
658 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
659 /* 0x00000300 reserved */
660 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
661 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
662 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
663 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
664 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
665 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
666 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
667 /* 0x00030000 reserved */
668 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
669 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
670 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
671 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
672 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
673 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
674 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
675 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
676 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
677 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
678 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
679 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
680 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
681 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
682 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
683
684 #define IEEE80211_F_BITS \
685 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \
686 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \
687 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
688 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
689 "\37DOTH\40DWDS"
690
691 /* Atheros protocol-specific flags */
692 #define IEEE80211_F_ATHEROS \
693 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
694 /* Check if an Atheros capability was negotiated for use */
695 #define IEEE80211_ATH_CAP(vap, ni, bit) \
696 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
697
698 /* ic_flags_ext/iv_flags_ext */
699 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
700 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
701 /* 0x00000006 reserved */
702 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
703 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
704 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
705 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
706 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
707 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
708 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
709 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
710 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
711 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
712 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
713 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
714 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
715 /* NB: immutable: should be set only when creating a vap */
716 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
717 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
718 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
719 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */
720 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */
721 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */
722 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */
723 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */
724 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */
725 #define IEEE80211_FEXT_AMPDU_OFFLOAD 0x02000000 /* CONF: driver/fw handles AMPDU[-TX] itself */
726 #define IEEE80211_FEXT_NO_NULLDATA 0x04000000 /* CONF: don't originate NULL data frames from net80211 */
727
728 #define IEEE80211_FEXT_BITS \
729 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
730 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
731 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
732 "\26FRAG_OFFLOAD\27VHT" \
733 "\30QUIET_IE\31UAPSD\32AMPDU_OFFLOAD\33NO_NULLDATA"
734
735 /* ic_flags_ht/iv_flags_ht */
736 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
737 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
738 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
739 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
740 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
741 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
742 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
743 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
744 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
745 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
746 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
747 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
748 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
749 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
750 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
751 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
752 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
753
754 #define IEEE80211_FHT_BITS \
755 "\20\1NONHT_PR" \
756 "\21LDPC_TX\22LDPC_RX\23GF\24HT\25AMPDU_TX\26AMPDU_RX" \
757 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
758 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
759
760 #define IEEE80211_FVEN_BITS "\20"
761
762 /*
763 * These flags are compared in ieee80211_setupcurchan().
764 * Thus 160 should be > 80P80.
765 */
766 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
767 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
768 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
769 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */
770 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */
771 #define IEEE80211_FVHT_STBC_TX 0x00000020 /* CONF: STBC tx enabled */
772 #define IEEE80211_FVHT_STBC_RX 0x00000040 /* CONF: STBC rx enabled */
773
774 #define IEEE80211_FVHT_CHANWIDTH_MASK \
775 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \
776 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \
777 IEEE80211_FVHT_USEVHT80P80)
778
779 #define IEEE80211_FVHT_MASK \
780 (IEEE80211_FVHT_CHANWIDTH_MASK | \
781 IEEE80211_FVHT_STBC_TX | IEEE80211_FVHT_STBC_RX)
782
783 #define IEEE80211_VFHT_BITS \
784 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160\6STBC_TX\7STBC_RX"
785
786 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */
787 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */
788 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */
789 #define IEEE80211_COM_REF_S 1
790 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S)
791
792 /* TODO: Transition macro */
793 #define ic_printf net80211_ic_printf
794
795 void ieee80211_ifattach(struct ieee80211com *);
796 void ieee80211_ifdetach(struct ieee80211com *);
797 void ieee80211_set_software_ciphers(struct ieee80211com *,
798 uint32_t cipher_suite);
799 void ieee80211_set_hardware_ciphers(struct ieee80211com *,
800 uint32_t cipher_suite);
801 void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic,
802 uint32_t keymgmt_set);
803 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
804 const char name[IFNAMSIZ], int unit,
805 enum ieee80211_opmode opmode, int flags,
806 const uint8_t bssid[IEEE80211_ADDR_LEN]);
807 int ieee80211_vap_attach(struct ieee80211vap *,
808 ifm_change_cb_t, ifm_stat_cb_t,
809 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
810 void ieee80211_vap_detach(struct ieee80211vap *);
811 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
812 const struct ieee80211_channel *);
813 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
814 struct ieee80211com *, const struct ieee80211_channel *);
815 void ieee80211_announce(struct ieee80211com *);
816 void ieee80211_announce_channels(struct ieee80211com *);
817 void ieee80211_drain(struct ieee80211com *);
818 void ieee80211_chan_init(struct ieee80211com *);
819 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
820 struct ieee80211com *ieee80211_find_com(const char *name);
821 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
822 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
823 int ieee80211_media_change(struct ifnet *);
824 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
825 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
826 int ieee80211_rate2media(struct ieee80211com *,
827 const struct ieee80211_node_txrate *,
828 enum ieee80211_phymode);
829 int ieee80211_media2rate(int);
830 int ieee80211_mhz2ieee(u_int, u_int);
831 int ieee80211_chan2ieee(struct ieee80211com *,
832 const struct ieee80211_channel *);
833 u_int ieee80211_ieee2mhz(u_int, u_int);
834 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
835 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
836 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
837 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
838 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
839 uint8_t, int8_t, uint32_t);
840 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
841 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
842 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
843 #define NET80211_CBW_FLAG_HT40 0x01
844 #define NET80211_CBW_FLAG_VHT80 0x02
845 #define NET80211_CBW_FLAG_VHT160 0x04
846 #define NET80211_CBW_FLAG_VHT80P80 0x08
847 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
848 const uint8_t[], int, const uint8_t[], int);
849 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
850 int *, const uint8_t[], int);
851 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
852 const uint8_t[], int, const uint8_t[], int);
853 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
854 int freq, int flags);
855 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
856 int ieee, int flags);
857 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
858 const struct ieee80211_rx_stats *);
859 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
860 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
861 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
862 const uint8_t addr[IEEE80211_ADDR_LEN]);
863 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
864
865 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
866 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
867 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
868
869 bool ieee80211_is_key_global(const struct ieee80211vap *vap,
870 const struct ieee80211_key *key);
871 bool ieee80211_is_key_unicast(const struct ieee80211vap *vap,
872 const struct ieee80211_key *key);
873
874 bool ieee80211_is_ctl_frame_for_vap(struct ieee80211_node *,
875 const struct mbuf *);
876
877 void ieee80211_radiotap_attach(struct ieee80211com *,
878 struct ieee80211_radiotap_header *th, int tlen,
879 uint32_t tx_radiotap,
880 struct ieee80211_radiotap_header *rh, int rlen,
881 uint32_t rx_radiotap);
882 void ieee80211_radiotap_attachv(struct ieee80211com *,
883 struct ieee80211_radiotap_header *th,
884 int tlen, int n_tx_v, uint32_t tx_radiotap,
885 struct ieee80211_radiotap_header *rh,
886 int rlen, int n_rx_v, uint32_t rx_radiotap);
887 void ieee80211_radiotap_detach(struct ieee80211com *);
888 void ieee80211_radiotap_vattach(struct ieee80211vap *);
889 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
890 void ieee80211_radiotap_chan_change(struct ieee80211com *);
891 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
892 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
893 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
894
895 static __inline int
ieee80211_radiotap_active(const struct ieee80211com * ic)896 ieee80211_radiotap_active(const struct ieee80211com *ic)
897 {
898 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
899 }
900
901 static __inline int
ieee80211_radiotap_active_vap(const struct ieee80211vap * vap)902 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
903 {
904 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
905 vap->iv_ic->ic_montaps != 0;
906 }
907
908 /*
909 * Enqueue a task on the state thread.
910 */
911 static __inline void
ieee80211_runtask(struct ieee80211com * ic,struct task * task)912 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
913 {
914 taskqueue_enqueue(ic->ic_tq, task);
915 }
916
917 /*
918 * Wait for a queued task to complete.
919 */
920 static __inline void
ieee80211_draintask(struct ieee80211com * ic,struct task * task)921 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
922 {
923 taskqueue_drain(ic->ic_tq, task);
924 }
925
926 /*
927 * Key update synchronization methods. XXX should not be visible.
928 */
929 static __inline void
ieee80211_key_update_begin(struct ieee80211vap * vap)930 ieee80211_key_update_begin(struct ieee80211vap *vap)
931 {
932 vap->iv_key_update_begin(vap);
933 }
934 static __inline void
ieee80211_key_update_end(struct ieee80211vap * vap)935 ieee80211_key_update_end(struct ieee80211vap *vap)
936 {
937 vap->iv_key_update_end(vap);
938 }
939
940 /*
941 * XXX these need to be here for IEEE80211_F_DATAPAD
942 */
943
944 /*
945 * Return the space occupied by the 802.11 header and any
946 * padding required by the driver. This works for a
947 * management or data frame.
948 */
949 static __inline int
ieee80211_hdrspace(struct ieee80211com * ic,const void * data)950 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
951 {
952 int size = ieee80211_hdrsize(data);
953 if (ic->ic_flags & IEEE80211_F_DATAPAD)
954 size = roundup(size, sizeof(uint32_t));
955 return size;
956 }
957
958 /*
959 * Like ieee80211_hdrspace, but handles any type of frame.
960 */
961 static __inline int
ieee80211_anyhdrspace(struct ieee80211com * ic,const void * data)962 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
963 {
964 int size = ieee80211_anyhdrsize(data);
965 if (ic->ic_flags & IEEE80211_F_DATAPAD)
966 size = roundup(size, sizeof(uint32_t));
967 return size;
968 }
969
970 /*
971 * Notify a vap that beacon state has been updated.
972 */
973 static __inline void
ieee80211_beacon_notify(struct ieee80211vap * vap,int what)974 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
975 {
976 if (vap->iv_state == IEEE80211_S_RUN)
977 vap->iv_update_beacon(vap, what);
978 }
979
980 /*
981 * Calculate HT channel promotion flags for a channel.
982 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
983 */
984 static __inline int
ieee80211_htchanflags(const struct ieee80211_channel * c)985 ieee80211_htchanflags(const struct ieee80211_channel *c)
986 {
987 return IEEE80211_IS_CHAN_HT40(c) ?
988 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
989 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
990 }
991
992 /*
993 * Calculate VHT channel promotion flags for a channel.
994 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
995 */
996 static __inline int
ieee80211_vhtchanflags(const struct ieee80211_channel * c)997 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
998 {
999
1000 if (IEEE80211_IS_CHAN_VHT160(c))
1001 return IEEE80211_FVHT_USEVHT160;
1002 if (IEEE80211_IS_CHAN_VHT80P80(c))
1003 return IEEE80211_FVHT_USEVHT80P80;
1004 if (IEEE80211_IS_CHAN_VHT80(c))
1005 return IEEE80211_FVHT_USEVHT80;
1006 if (IEEE80211_IS_CHAN_VHT40(c))
1007 return IEEE80211_FVHT_USEVHT40;
1008 if (IEEE80211_IS_CHAN_VHT(c))
1009 return IEEE80211_FVHT_VHT;
1010 return (0);
1011 }
1012
1013 /*
1014 * Fetch the current TX power (cap) for the given node.
1015 *
1016 * This includes the node and ic/vap TX power limit as needed,
1017 * but it doesn't take into account any per-rate limit.
1018 */
1019 static __inline uint16_t
ieee80211_get_node_txpower(struct ieee80211_node * ni)1020 ieee80211_get_node_txpower(struct ieee80211_node *ni)
1021 {
1022 struct ieee80211com *ic = ni->ni_ic;
1023 uint16_t txpower;
1024
1025 txpower = ni->ni_txpower;
1026 txpower = MIN(txpower, ic->ic_txpowlimit);
1027 if (ic->ic_curchan != NULL) {
1028 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
1029 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
1030 }
1031
1032 return (txpower);
1033 }
1034
1035 /*
1036 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
1037 *
1038 * The intent is that any problem in the net80211 layer can be
1039 * diagnosed by inspecting the statistics (dumped by the wlanstat
1040 * program) and/or the msgs generated by net80211. Messages are
1041 * broken into functional classes and can be controlled with the
1042 * wlandebug program. Certain of these msg groups are for facilities
1043 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
1044 */
1045 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
1046 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
1047 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
1048 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
1049 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
1050 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
1051 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
1052 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
1053 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
1054 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
1055 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
1056 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
1057 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
1058 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
1059 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
1060 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
1061 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
1062 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
1063 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
1064 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
1065 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
1066 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
1067 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
1068 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
1069 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
1070 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
1071 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
1072 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
1073 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
1074 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
1075 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
1076
1077 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
1078
1079 #define IEEE80211_MSG_BITS \
1080 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
1081 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
1082 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
1083 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
1084
1085 /* Helper macros unified. */
1086 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1087 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1088
1089 #ifdef IEEE80211_DEBUG
1090 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
1091 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
1092 if (ieee80211_msg(_vap, _m)) \
1093 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
1094 } while (0)
1095 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
1096 if (ieee80211_msg(_vap, _m)) \
1097 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
1098 } while (0)
1099 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
1100 if (ieee80211_msg(_vap, _m)) \
1101 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
1102 } while (0)
1103 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
1104 if (ieee80211_msg(_vap, _m)) \
1105 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
1106 } while (0)
1107 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1108 void ieee80211_note_mac(const struct ieee80211vap *,
1109 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1110 void ieee80211_note_frame(const struct ieee80211vap *,
1111 const struct ieee80211_frame *, const char *, ...);
1112 #define ieee80211_msg_debug(_vap) \
1113 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
1114 #define ieee80211_msg_dumppkts(_vap) \
1115 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
1116 #define ieee80211_msg_input(_vap) \
1117 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
1118 #define ieee80211_msg_radius(_vap) \
1119 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
1120 #define ieee80211_msg_dumpradius(_vap) \
1121 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
1122 #define ieee80211_msg_dumpradkeys(_vap) \
1123 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1124 #define ieee80211_msg_scan(_vap) \
1125 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1126 #define ieee80211_msg_assoc(_vap) \
1127 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1128
1129 /*
1130 * Emit a debug message about discarding a frame or information
1131 * element. One format is for extracting the mac address from
1132 * the frame header; the other is for when a header is not
1133 * available or otherwise appropriate.
1134 */
1135 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1136 if ((_vap)->iv_debug & (_m)) \
1137 ieee80211_discard_frame(_vap, _wh, _type, \
1138 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1139 } while (0)
1140 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1141 if ((_vap)->iv_debug & (_m)) \
1142 ieee80211_discard_ie(_vap, _wh, _type, \
1143 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1144 } while (0)
1145 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1146 if ((_vap)->iv_debug & (_m)) \
1147 ieee80211_discard_mac(_vap, _mac, _type, \
1148 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1149 } while (0)
1150
1151 void ieee80211_discard_frame(const struct ieee80211vap *,
1152 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1153 void ieee80211_discard_ie(const struct ieee80211vap *,
1154 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1155 void ieee80211_discard_mac(const struct ieee80211vap *,
1156 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1157 const char *fmt, ...);
1158 #else
1159 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1160 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1161 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1162 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1163 #define ieee80211_msg_dumppkts(_vap) 0
1164 #define ieee80211_msg(_vap, _m) 0
1165
1166 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1167 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1168 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1169 #endif
1170
1171 #endif /* _NET80211_IEEE80211_VAR_H_ */
1172