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 #elif defined(__HAIKU__)
42 #include <net80211/ieee80211_haiku.h>
43 #else
44 #error "No support for your operating system!"
45 #endif
46
47 #include <net80211/_ieee80211.h>
48 #include <net80211/ieee80211.h>
49 #include <net80211/ieee80211_ageq.h>
50 #include <net80211/ieee80211_crypto.h>
51 #include <net80211/ieee80211_dfs.h>
52 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
53 #include <net80211/ieee80211_phy.h>
54 #include <net80211/ieee80211_power.h>
55 #include <net80211/ieee80211_node.h>
56 #include <net80211/ieee80211_proto.h>
57 #include <net80211/ieee80211_radiotap.h>
58 #include <net80211/ieee80211_scan.h>
59
60 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */
61 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */
62
63 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
64 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
65
66 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
67 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
68
69 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
70 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
71
72 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
73 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
74
75 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
76 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
77
78 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
79 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
80
81 #define IEEE80211_FIXED_RATE_NONE 0xff
82 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
83
84 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
85 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
86
87 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
88 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
89 /* XXX TODO: cap this at 1, in case hz is not 1000 */
90 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000))
91
92 /*
93 * Technically, vhtflags may be 0 /and/ 11ac is enabled.
94 * At some point ic should just grow a flag somewhere that
95 * says that VHT is supported - and then this macro can be
96 * changed.
97 */
98 #define IEEE80211_CONF_VHT(ic) \
99 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT)
100
101 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \
102 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD)
103 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \
104 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_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 struct ieee80211com {
138 void *ic_softc; /* driver softc */
139 const char *ic_name; /* usually device name */
140 ieee80211_com_lock_t ic_comlock; /* state update lock */
141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */
143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
145 int ic_headroom; /* driver tx headroom needs */
146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
147 enum ieee80211_opmode ic_opmode; /* operation mode */
148 struct callout ic_inact; /* inactivity processing */
149 struct taskqueue *ic_tq; /* deferred state thread */
150 struct task ic_parent_task; /* deferred parent processing */
151 struct task ic_promisc_task;/* deferred promisc update */
152 struct task ic_mcast_task; /* deferred mcast update */
153 struct task ic_chan_task; /* deferred channel change */
154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
155 struct task ic_chw_task; /* deferred HT CHW update */
156 struct task ic_restart_task; /* deferred device restart */
157
158 counter_u64_t ic_ierrors; /* input errors */
159 counter_u64_t ic_oerrors; /* output errors */
160
161 uint32_t ic_flags; /* state flags */
162 uint32_t ic_flags_ext; /* extended state flags */
163 uint32_t ic_flags_ht; /* HT state flags */
164 uint32_t ic_flags_ven; /* vendor state flags */
165 uint32_t ic_caps; /* capabilities */
166 uint32_t ic_htcaps; /* HT capabilities */
167 uint32_t ic_htextcaps; /* HT extended capabilities */
168 /* 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
387 struct ieee80211_aclator;
388 struct ieee80211_tdma_state;
389 struct ieee80211_mesh_state;
390 struct ieee80211_hwmp_state;
391 struct ieee80211_rx_histogram;
392 struct ieee80211_tx_histogram;
393
394 struct 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 };
622 MALLOC_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
703 #define IEEE80211_FEXT_BITS \
704 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
705 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
706 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \
707 "\26FRAG_OFFLOAD\27VHT" \
708 "\30QUIET_IE\31UAPSD"
709
710 /* ic_flags_ht/iv_flags_ht */
711 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
712 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */
713 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */
714 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
715 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
716 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
717 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
718 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
719 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
720 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
721 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
722 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
723 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
724 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
725 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
726 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
727 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
728
729 #define IEEE80211_FHT_BITS \
730 "\20\1NONHT_PR" \
731 "\21LDPC_TX\22LDPC_RX\23GF\24HT\25AMPDU_TX\26AMPDU_RX" \
732 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
733 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
734
735 #define IEEE80211_FVEN_BITS "\20"
736
737 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */
738 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */
739 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */
740 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */
741 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */
742 #define IEEE80211_FVHT_MASK \
743 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \
744 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \
745 IEEE80211_FVHT_USEVHT80P80)
746 #define IEEE80211_VFHT_BITS \
747 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80"
748
749 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */
750 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */
751 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */
752 #define IEEE80211_COM_REF_S 1
753 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S)
754
755 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
756 void ieee80211_ifattach(struct ieee80211com *);
757 void ieee80211_ifdetach(struct ieee80211com *);
758 void ieee80211_set_software_ciphers(struct ieee80211com *,
759 uint32_t cipher_suite);
760 void ieee80211_set_hardware_ciphers(struct ieee80211com *,
761 uint32_t cipher_suite);
762 void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic,
763 uint32_t keymgmt_set);
764 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
765 const char name[IFNAMSIZ], int unit,
766 enum ieee80211_opmode opmode, int flags,
767 const uint8_t bssid[IEEE80211_ADDR_LEN]);
768 int ieee80211_vap_attach(struct ieee80211vap *,
769 ifm_change_cb_t, ifm_stat_cb_t,
770 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
771 void ieee80211_vap_detach(struct ieee80211vap *);
772 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
773 const struct ieee80211_channel *);
774 const struct ieee80211_htrateset *ieee80211_get_suphtrates(
775 struct ieee80211com *, const struct ieee80211_channel *);
776 void ieee80211_announce(struct ieee80211com *);
777 void ieee80211_announce_channels(struct ieee80211com *);
778 void ieee80211_drain(struct ieee80211com *);
779 void ieee80211_chan_init(struct ieee80211com *);
780 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
781 struct ieee80211com *ieee80211_find_com(const char *name);
782 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
783 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
784 int ieee80211_media_change(struct ifnet *);
785 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
786 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
787 int ieee80211_rate2media(struct ieee80211com *, int,
788 enum ieee80211_phymode);
789 int ieee80211_media2rate(int);
790 int ieee80211_mhz2ieee(u_int, u_int);
791 int ieee80211_chan2ieee(struct ieee80211com *,
792 const struct ieee80211_channel *);
793 u_int ieee80211_ieee2mhz(u_int, u_int);
794 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *,
795 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int);
796 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
797 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
798 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
799 uint8_t, int8_t, uint32_t);
800 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *);
801 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *);
802 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *);
803 #define NET80211_CBW_FLAG_HT40 0x01
804 #define NET80211_CBW_FLAG_VHT80 0x02
805 #define NET80211_CBW_FLAG_VHT160 0x04
806 #define NET80211_CBW_FLAG_VHT80P80 0x08
807 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
808 const uint8_t[], int, const uint8_t[], int);
809 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int,
810 int *, const uint8_t[], int);
811 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
812 const uint8_t[], int, const uint8_t[], int);
813 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
814 int freq, int flags);
815 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
816 int ieee, int flags);
817 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
818 const struct ieee80211_rx_stats *);
819 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
820 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
821 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
822 const uint8_t addr[IEEE80211_ADDR_LEN]);
823 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
824
825 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan)
826 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan)
827 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan)
828
829 bool ieee80211_is_key_global(const struct ieee80211vap *vap,
830 const struct ieee80211_key *key);
831 bool ieee80211_is_key_unicast(const struct ieee80211vap *vap,
832 const struct ieee80211_key *key);
833
834 void ieee80211_radiotap_attach(struct ieee80211com *,
835 struct ieee80211_radiotap_header *th, int tlen,
836 uint32_t tx_radiotap,
837 struct ieee80211_radiotap_header *rh, int rlen,
838 uint32_t rx_radiotap);
839 void ieee80211_radiotap_attachv(struct ieee80211com *,
840 struct ieee80211_radiotap_header *th,
841 int tlen, int n_tx_v, uint32_t tx_radiotap,
842 struct ieee80211_radiotap_header *rh,
843 int rlen, int n_rx_v, uint32_t rx_radiotap);
844 void ieee80211_radiotap_detach(struct ieee80211com *);
845 void ieee80211_radiotap_vattach(struct ieee80211vap *);
846 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
847 void ieee80211_radiotap_chan_change(struct ieee80211com *);
848 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
849 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
850 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
851
852 static __inline int
ieee80211_radiotap_active(const struct ieee80211com * ic)853 ieee80211_radiotap_active(const struct ieee80211com *ic)
854 {
855 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
856 }
857
858 static __inline int
ieee80211_radiotap_active_vap(const struct ieee80211vap * vap)859 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
860 {
861 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
862 vap->iv_ic->ic_montaps != 0;
863 }
864
865 /*
866 * Enqueue a task on the state thread.
867 */
868 static __inline void
ieee80211_runtask(struct ieee80211com * ic,struct task * task)869 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
870 {
871 taskqueue_enqueue(ic->ic_tq, task);
872 }
873
874 /*
875 * Wait for a queued task to complete.
876 */
877 static __inline void
ieee80211_draintask(struct ieee80211com * ic,struct task * task)878 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
879 {
880 taskqueue_drain(ic->ic_tq, task);
881 }
882
883 /*
884 * Key update synchronization methods. XXX should not be visible.
885 */
886 static __inline void
ieee80211_key_update_begin(struct ieee80211vap * vap)887 ieee80211_key_update_begin(struct ieee80211vap *vap)
888 {
889 vap->iv_key_update_begin(vap);
890 }
891 static __inline void
ieee80211_key_update_end(struct ieee80211vap * vap)892 ieee80211_key_update_end(struct ieee80211vap *vap)
893 {
894 vap->iv_key_update_end(vap);
895 }
896
897 /*
898 * XXX these need to be here for IEEE80211_F_DATAPAD
899 */
900
901 /*
902 * Return the space occupied by the 802.11 header and any
903 * padding required by the driver. This works for a
904 * management or data frame.
905 */
906 static __inline int
ieee80211_hdrspace(struct ieee80211com * ic,const void * data)907 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
908 {
909 int size = ieee80211_hdrsize(data);
910 if (ic->ic_flags & IEEE80211_F_DATAPAD)
911 size = roundup(size, sizeof(uint32_t));
912 return size;
913 }
914
915 /*
916 * Like ieee80211_hdrspace, but handles any type of frame.
917 */
918 static __inline int
ieee80211_anyhdrspace(struct ieee80211com * ic,const void * data)919 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
920 {
921 int size = ieee80211_anyhdrsize(data);
922 if (ic->ic_flags & IEEE80211_F_DATAPAD)
923 size = roundup(size, sizeof(uint32_t));
924 return size;
925 }
926
927 /*
928 * Notify a vap that beacon state has been updated.
929 */
930 static __inline void
ieee80211_beacon_notify(struct ieee80211vap * vap,int what)931 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
932 {
933 if (vap->iv_state == IEEE80211_S_RUN)
934 vap->iv_update_beacon(vap, what);
935 }
936
937 /*
938 * Calculate HT channel promotion flags for a channel.
939 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
940 */
941 static __inline int
ieee80211_htchanflags(const struct ieee80211_channel * c)942 ieee80211_htchanflags(const struct ieee80211_channel *c)
943 {
944 return IEEE80211_IS_CHAN_HT40(c) ?
945 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
946 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
947 }
948
949 /*
950 * Calculate VHT channel promotion flags for a channel.
951 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_*
952 */
953 static __inline int
ieee80211_vhtchanflags(const struct ieee80211_channel * c)954 ieee80211_vhtchanflags(const struct ieee80211_channel *c)
955 {
956
957 if (IEEE80211_IS_CHAN_VHT160(c))
958 return IEEE80211_FVHT_USEVHT160;
959 if (IEEE80211_IS_CHAN_VHT80P80(c))
960 return IEEE80211_FVHT_USEVHT80P80;
961 if (IEEE80211_IS_CHAN_VHT80(c))
962 return IEEE80211_FVHT_USEVHT80;
963 if (IEEE80211_IS_CHAN_VHT40(c))
964 return IEEE80211_FVHT_USEVHT40;
965 if (IEEE80211_IS_CHAN_VHT(c))
966 return IEEE80211_FVHT_VHT;
967 return (0);
968 }
969
970 /*
971 * Fetch the current TX power (cap) for the given node.
972 *
973 * This includes the node and ic/vap TX power limit as needed,
974 * but it doesn't take into account any per-rate limit.
975 */
976 static __inline uint16_t
ieee80211_get_node_txpower(struct ieee80211_node * ni)977 ieee80211_get_node_txpower(struct ieee80211_node *ni)
978 {
979 struct ieee80211com *ic = ni->ni_ic;
980 uint16_t txpower;
981
982 txpower = ni->ni_txpower;
983 txpower = MIN(txpower, ic->ic_txpowlimit);
984 if (ic->ic_curchan != NULL) {
985 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
986 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
987 }
988
989 return (txpower);
990 }
991
992 /*
993 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
994 *
995 * The intent is that any problem in the net80211 layer can be
996 * diagnosed by inspecting the statistics (dumped by the wlanstats
997 * program) and/or the msgs generated by net80211. Messages are
998 * broken into functional classes and can be controlled with the
999 * wlandebug program. Certain of these msg groups are for facilities
1000 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
1001 */
1002 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
1003 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
1004 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
1005 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
1006 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
1007 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
1008 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
1009 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
1010 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
1011 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
1012 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
1013 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
1014 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
1015 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
1016 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
1017 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
1018 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
1019 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
1020 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
1021 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
1022 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
1023 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
1024 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
1025 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
1026 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
1027 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
1028 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
1029 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
1030 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
1031 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
1032 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
1033
1034 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
1035
1036 #define IEEE80211_MSG_BITS \
1037 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
1038 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
1039 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
1040 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
1041
1042 /* Helper macros unified. */
1043 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S)
1044 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f)
1045
1046 #ifdef IEEE80211_DEBUG
1047 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
1048 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
1049 if (ieee80211_msg(_vap, _m)) \
1050 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
1051 } while (0)
1052 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
1053 if (ieee80211_msg(_vap, _m)) \
1054 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
1055 } while (0)
1056 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
1057 if (ieee80211_msg(_vap, _m)) \
1058 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
1059 } while (0)
1060 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
1061 if (ieee80211_msg(_vap, _m)) \
1062 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
1063 } while (0)
1064 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
1065 void ieee80211_note_mac(const struct ieee80211vap *,
1066 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
1067 void ieee80211_note_frame(const struct ieee80211vap *,
1068 const struct ieee80211_frame *, const char *, ...);
1069 #define ieee80211_msg_debug(_vap) \
1070 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
1071 #define ieee80211_msg_dumppkts(_vap) \
1072 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
1073 #define ieee80211_msg_input(_vap) \
1074 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
1075 #define ieee80211_msg_radius(_vap) \
1076 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
1077 #define ieee80211_msg_dumpradius(_vap) \
1078 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
1079 #define ieee80211_msg_dumpradkeys(_vap) \
1080 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
1081 #define ieee80211_msg_scan(_vap) \
1082 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
1083 #define ieee80211_msg_assoc(_vap) \
1084 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
1085
1086 /*
1087 * Emit a debug message about discarding a frame or information
1088 * element. One format is for extracting the mac address from
1089 * the frame header; the other is for when a header is not
1090 * available or otherwise appropriate.
1091 */
1092 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
1093 if ((_vap)->iv_debug & (_m)) \
1094 ieee80211_discard_frame(_vap, _wh, _type, \
1095 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1096 } while (0)
1097 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
1098 if ((_vap)->iv_debug & (_m)) \
1099 ieee80211_discard_ie(_vap, _wh, _type, \
1100 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1101 } while (0)
1102 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
1103 if ((_vap)->iv_debug & (_m)) \
1104 ieee80211_discard_mac(_vap, _mac, _type, \
1105 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \
1106 } while (0)
1107
1108 void ieee80211_discard_frame(const struct ieee80211vap *,
1109 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1110 void ieee80211_discard_ie(const struct ieee80211vap *,
1111 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
1112 void ieee80211_discard_mac(const struct ieee80211vap *,
1113 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1114 const char *fmt, ...);
1115 #else
1116 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1117 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1118 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1119 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1120 #define ieee80211_msg_dumppkts(_vap) 0
1121 #define ieee80211_msg(_vap, _m) 0
1122
1123 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1124 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1125 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1126 #endif
1127
1128 #endif /* _NET80211_IEEE80211_VAR_H_ */
1129