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keyserv(1): drop useless comparison.
[freebsd-src.git] / sys / net80211 / ieee80211_var.h
blob3c33f0aadd831fb47a954fabb2d7005359bd933d
1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
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 * 802.11 control state is split into a common portion that maps
92 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
93 * that are bound to an ieee80211com instance and share a single
94 * underlying device. Each VAP has a corresponding OS device
95 * entity through which traffic flows and that applications use
96 * for issuing ioctls, etc.
97 */
98
99 /*
100 * Data common to one or more virtual AP's. State shared by
101 * the underlying device and the net80211 layer is exposed here;
102 * e.g. device-specific callbacks.
103 */
104 struct ieee80211vap;
105 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
106
107 struct ieee80211_appie {
108 uint16_t ie_len; /* size of ie_data */
109 uint8_t ie_data[]; /* user-specified IE's */
110 };
111
112 struct ieee80211_tdma_param;
113 struct ieee80211_rate_table;
114 struct ieee80211_tx_ampdu;
115 struct ieee80211_rx_ampdu;
116 struct ieee80211_superg;
117 struct ieee80211_frame;
118
119 struct ieee80211com {
120 void *ic_softc; /* driver softc */
121 const char *ic_name; /* usually device name */
122 ieee80211_com_lock_t ic_comlock; /* state update lock */
123 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
124 LIST_ENTRY(ieee80211com) ic_next; /* on global list */
125 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
126 int ic_headroom; /* driver tx headroom needs */
127 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
128 enum ieee80211_opmode ic_opmode; /* operation mode */
129 struct callout ic_inact; /* inactivity processing */
130 struct taskqueue *ic_tq; /* deferred state thread */
131 struct task ic_parent_task; /* deferred parent processing */
132 struct task ic_promisc_task;/* deferred promisc update */
133 struct task ic_mcast_task; /* deferred mcast update */
134 struct task ic_chan_task; /* deferred channel change */
135 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
136 struct task ic_chw_task; /* deferred HT CHW update */
137 struct task ic_wme_task; /* deferred WME update */
138 struct task ic_restart_task; /* deferred device restart */
139
140 counter_u64_t ic_ierrors; /* input errors */
141 counter_u64_t ic_oerrors; /* output errors */
142
143 uint32_t ic_flags; /* state flags */
144 uint32_t ic_flags_ext; /* extended state flags */
145 uint32_t ic_flags_ht; /* HT state flags */
146 uint32_t ic_flags_ven; /* vendor state flags */
147 uint32_t ic_caps; /* capabilities */
148 uint32_t ic_htcaps; /* HT capabilities */
149 uint32_t ic_htextcaps; /* HT extended capabilities */
150 uint32_t ic_cryptocaps; /* crypto capabilities */
151 /* set of mode capabilities */
152 uint8_t ic_modecaps[IEEE80211_MODE_BYTES];
153 uint8_t ic_promisc; /* vap's needing promisc mode */
154 uint8_t ic_allmulti; /* vap's needing all multicast*/
155 uint8_t ic_nrunning; /* vap's marked running */
156 uint8_t ic_curmode; /* current mode */
157 uint8_t ic_macaddr[IEEE80211_ADDR_LEN];
158 uint16_t ic_bintval; /* beacon interval */
159 uint16_t ic_lintval; /* listen interval */
160 uint16_t ic_holdover; /* PM hold over duration */
161 uint16_t ic_txpowlimit; /* global tx power limit */
162 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
163
164 /*
165 * Channel state:
166 *
167 * ic_channels is the set of available channels for the device;
168 * it is setup by the driver
169 * ic_nchans is the number of valid entries in ic_channels
170 * ic_chan_avail is a bit vector of these channels used to check
171 * whether a channel is available w/o searching the channel table.
172 * ic_chan_active is a (potentially) constrained subset of
173 * ic_chan_avail that reflects any mode setting or user-specified
174 * limit on the set of channels to use/scan
175 * ic_curchan is the current channel the device is set to; it may
176 * be different from ic_bsschan when we are off-channel scanning
177 * or otherwise doing background work
178 * ic_bsschan is the channel selected for operation; it may
179 * be undefined (IEEE80211_CHAN_ANYC)
180 * ic_prevchan is a cached ``previous channel'' used to optimize
181 * lookups when switching back+forth between two channels
182 * (e.g. for dynamic turbo)
183 */
184 int ic_nchans; /* # entries in ic_channels */
185 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
186 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
187 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
188 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
189 struct ieee80211_channel *ic_curchan; /* current channel */
190 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
191 struct ieee80211_channel *ic_bsschan; /* bss channel */
192 struct ieee80211_channel *ic_prevchan; /* previous channel */
193 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
194 struct ieee80211_appie *ic_countryie; /* calculated country ie */
195 struct ieee80211_channel *ic_countryie_chan;
196
197 /* 802.11h/DFS state */
198 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
199 short ic_csa_mode; /* mode for doing CSA */
200 short ic_csa_count; /* count for doing CSA */
201 struct ieee80211_dfs_state ic_dfs; /* DFS state */
202
203 struct ieee80211_scan_state *ic_scan; /* scan state */
204 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */
205 int ic_lastdata; /* time of last data frame */
206 int ic_lastscan; /* time last scan completed */
207
208 /* NB: this is the union of all vap stations/neighbors */
209 int ic_max_keyix; /* max h/w key index */
210 struct ieee80211_node_table ic_sta; /* stations/neighbors */
211 struct ieee80211_ageq ic_stageq; /* frame staging queue */
212 uint32_t ic_hash_key; /* random key for mac hash */
213
214 /* XXX multi-bss: split out common/vap parts */
215 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
216
217 /* XXX multi-bss: can per-vap be done/make sense? */
218 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
219 uint16_t ic_nonerpsta; /* # non-ERP stations */
220 uint16_t ic_longslotsta; /* # long slot time stations */
221 uint16_t ic_sta_assoc; /* stations associated */
222 uint16_t ic_ht_sta_assoc;/* HT stations associated */
223 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
224 uint8_t ic_curhtprotmode;/* HTINFO bss state */
225 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
226 int ic_lastnonerp; /* last time non-ERP sta noted*/
227 int ic_lastnonht; /* last time non-HT sta noted */
228 uint8_t ic_rxstream; /* # RX streams */
229 uint8_t ic_txstream; /* # TX streams */
230
231 /* optional state for Atheros SuperG protocol extensions */
232 struct ieee80211_superg *ic_superg;
233
234 /* radiotap handling */
235 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
236 void *ic_txchan; /* channel state in ic_th */
237 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
238 void *ic_rxchan; /* channel state in ic_rh */
239 int ic_montaps; /* active monitor mode taps */
240
241 /* virtual ap create/delete */
242 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
243 const char [IFNAMSIZ], int,
244 enum ieee80211_opmode, int,
245 const uint8_t [IEEE80211_ADDR_LEN],
246 const uint8_t [IEEE80211_ADDR_LEN]);
247 void (*ic_vap_delete)(struct ieee80211vap *);
248 /* device specific ioctls */
249 int (*ic_ioctl)(struct ieee80211com *,
250 u_long, void *);
251 /* start/stop device */
252 void (*ic_parent)(struct ieee80211com *);
253 /* operating mode attachment */
254 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
255 /* return hardware/radio capabilities */
256 void (*ic_getradiocaps)(struct ieee80211com *,
257 int, int *, struct ieee80211_channel []);
258 /* check and/or prepare regdomain state change */
259 int (*ic_setregdomain)(struct ieee80211com *,
260 struct ieee80211_regdomain *,
261 int, struct ieee80211_channel []);
262
263 int (*ic_set_quiet)(struct ieee80211_node *,
264 u_int8_t *quiet_elm);
265
266 /* regular transmit */
267 int (*ic_transmit)(struct ieee80211com *,
268 struct mbuf *);
269 /* send/recv 802.11 management frame */
270 int (*ic_send_mgmt)(struct ieee80211_node *,
271 int, int);
272 /* send raw 802.11 frame */
273 int (*ic_raw_xmit)(struct ieee80211_node *,
274 struct mbuf *,
275 const struct ieee80211_bpf_params *);
276 /* update device state for 802.11 slot time change */
277 void (*ic_updateslot)(struct ieee80211com *);
278 /* handle multicast state changes */
279 void (*ic_update_mcast)(struct ieee80211com *);
280 /* handle promiscuous mode changes */
281 void (*ic_update_promisc)(struct ieee80211com *);
282 /* new station association callback/notification */
283 void (*ic_newassoc)(struct ieee80211_node *, int);
284 /* TDMA update notification */
285 void (*ic_tdma_update)(struct ieee80211_node *,
286 const struct ieee80211_tdma_param *, int);
287 /* node state management */
288 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
289 const uint8_t [IEEE80211_ADDR_LEN]);
290 void (*ic_node_free)(struct ieee80211_node *);
291 void (*ic_node_cleanup)(struct ieee80211_node *);
292 void (*ic_node_age)(struct ieee80211_node *);
293 void (*ic_node_drain)(struct ieee80211_node *);
294 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
295 void (*ic_node_getsignal)(const struct ieee80211_node*,
296 int8_t *, int8_t *);
297 void (*ic_node_getmimoinfo)(
298 const struct ieee80211_node*,
299 struct ieee80211_mimo_info *);
300 /* scanning support */
301 void (*ic_scan_start)(struct ieee80211com *);
302 void (*ic_scan_end)(struct ieee80211com *);
303 void (*ic_set_channel)(struct ieee80211com *);
304 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
305 unsigned long);
306 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
307
308 /*
309 * 802.11n ADDBA support. A simple/generic implementation
310 * of A-MPDU tx aggregation is provided; the driver may
311 * override these methods to provide their own support.
312 * A-MPDU rx re-ordering happens automatically if the
313 * driver passes out-of-order frames to ieee80211_input
314 * from an assocated HT station.
315 */
316 int (*ic_recv_action)(struct ieee80211_node *,
317 const struct ieee80211_frame *,
318 const uint8_t *frm, const uint8_t *efrm);
319 int (*ic_send_action)(struct ieee80211_node *,
320 int category, int action, void *);
321 /* check if A-MPDU should be enabled this station+ac */
322 int (*ic_ampdu_enable)(struct ieee80211_node *,
323 struct ieee80211_tx_ampdu *);
324 /* start/stop doing A-MPDU tx aggregation for a station */
325 int (*ic_addba_request)(struct ieee80211_node *,
326 struct ieee80211_tx_ampdu *,
327 int dialogtoken, int baparamset,
328 int batimeout);
329 int (*ic_addba_response)(struct ieee80211_node *,
330 struct ieee80211_tx_ampdu *,
331 int status, int baparamset, int batimeout);
332 void (*ic_addba_stop)(struct ieee80211_node *,
333 struct ieee80211_tx_ampdu *);
334 void (*ic_addba_response_timeout)(struct ieee80211_node *,
335 struct ieee80211_tx_ampdu *);
336 /* BAR response received */
337 void (*ic_bar_response)(struct ieee80211_node *,
338 struct ieee80211_tx_ampdu *, int status);
339 /* start/stop doing A-MPDU rx processing for a station */
340 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
341 struct ieee80211_rx_ampdu *, int baparamset,
342 int batimeout, int baseqctl);
343 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
344 struct ieee80211_rx_ampdu *);
345
346 /* The channel width has changed (20<->2040) */
347 void (*ic_update_chw)(struct ieee80211com *);
348
349 uint64_t ic_spare[7];
350 };
351
352 struct ieee80211_aclator;
353 struct ieee80211_tdma_state;
354 struct ieee80211_mesh_state;
355 struct ieee80211_hwmp_state;
356
357 struct ieee80211vap {
358 struct ifmedia iv_media; /* interface media config */
359 struct ifnet *iv_ifp; /* associated device */
360 struct bpf_if *iv_rawbpf; /* packet filter structure */
361 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
362 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
363
364 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
365 struct ieee80211com *iv_ic; /* back ptr to common state */
366 /* MAC address: ifp or ic */
367 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
368 uint32_t iv_debug; /* debug msg flags */
369 struct ieee80211_stats iv_stats; /* statistics */
370
371 uint32_t iv_flags; /* state flags */
372 uint32_t iv_flags_ext; /* extended state flags */
373 uint32_t iv_flags_ht; /* HT state flags */
374 uint32_t iv_flags_ven; /* vendor state flags */
375 uint32_t iv_ifflags; /* ifnet flags */
376 uint32_t iv_caps; /* capabilities */
377 uint32_t iv_htcaps; /* HT capabilities */
378 uint32_t iv_htextcaps; /* HT extended capabilities */
379 enum ieee80211_opmode iv_opmode; /* operation mode */
380 enum ieee80211_state iv_state; /* state machine state */
381 enum ieee80211_state iv_nstate; /* pending state */
382 int iv_nstate_arg; /* pending state arg */
383 struct task iv_nstate_task; /* deferred state processing */
384 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
385 struct callout iv_mgtsend; /* mgmt frame response timer */
386 /* inactivity timer settings */
387 int iv_inact_init; /* setting for new station */
388 int iv_inact_auth; /* auth but not assoc setting */
389 int iv_inact_run; /* authorized setting */
390 int iv_inact_probe; /* inactive probe time */
391
392 int iv_des_nssid; /* # desired ssids */
393 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
394 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
395 struct ieee80211_channel *iv_des_chan; /* desired channel */
396 uint16_t iv_des_mode; /* desired mode */
397 int iv_nicknamelen; /* XXX junk */
398 uint8_t iv_nickname[IEEE80211_NWID_LEN];
399 u_int iv_bgscanidle; /* bg scan idle threshold */
400 u_int iv_bgscanintvl; /* bg scan min interval */
401 u_int iv_scanvalid; /* scan cache valid threshold */
402 u_int iv_scanreq_duration;
403 u_int iv_scanreq_mindwell;
404 u_int iv_scanreq_maxdwell;
405 uint16_t iv_scanreq_flags;/* held scan request params */
406 uint8_t iv_scanreq_nssid;
407 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
408 /* sta-mode roaming state */
409 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
410 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
411
412 uint8_t iv_bmissthreshold;
413 uint8_t iv_bmiss_count; /* current beacon miss count */
414 int iv_bmiss_max; /* max bmiss before scan */
415 uint16_t iv_swbmiss_count;/* beacons in last period */
416 uint16_t iv_swbmiss_period;/* s/w bmiss period */
417 struct callout iv_swbmiss; /* s/w beacon miss timer */
418
419 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
420 int iv_ampdu_density;/* A-MPDU density */
421 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
422 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
423 u_int iv_ampdu_mintraffic[WME_NUM_AC];
424
425 struct ieee80211_beacon_offsets iv_bcn_off;
426 uint32_t *iv_aid_bitmap; /* association id map */
427 uint16_t iv_max_aid;
428 uint16_t iv_sta_assoc; /* stations associated */
429 uint16_t iv_ps_sta; /* stations in power save */
430 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
431 uint16_t iv_txseq; /* mcast xmit seq# space */
432 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
433 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
434 uint8_t iv_dtim_period; /* DTIM period */
435 uint8_t iv_dtim_count; /* DTIM count from last bcn */
436 /* set/unset aid pwrsav state */
437 uint8_t iv_quiet; /* Quiet Element */
438 uint8_t iv_quiet_count; /* constant count for Quiet Element */
439 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
440 uint8_t iv_quiet_period; /* period for Quiet Element */
441 uint16_t iv_quiet_duration; /* duration for Quiet Element */
442 uint16_t iv_quiet_offset; /* offset for Quiet Element */
443 int iv_csa_count; /* count for doing CSA */
444
445 struct ieee80211_node *iv_bss; /* information for this node */
446 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
447 uint16_t iv_rtsthreshold;
448 uint16_t iv_fragthreshold;
449 int iv_inact_timer; /* inactivity timer wait */
450 /* application-specified IE's to attach to mgt frames */
451 struct ieee80211_appie *iv_appie_beacon;
452 struct ieee80211_appie *iv_appie_probereq;
453 struct ieee80211_appie *iv_appie_proberesp;
454 struct ieee80211_appie *iv_appie_assocreq;
455 struct ieee80211_appie *iv_appie_assocresp;
456 struct ieee80211_appie *iv_appie_wpa;
457 uint8_t *iv_wpa_ie;
458 uint8_t *iv_rsn_ie;
459 uint16_t iv_max_keyix; /* max h/w key index */
460 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
461 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
462 int (*iv_key_alloc)(struct ieee80211vap *,
463 struct ieee80211_key *,
464 ieee80211_keyix *, ieee80211_keyix *);
465 int (*iv_key_delete)(struct ieee80211vap *,
466 const struct ieee80211_key *);
467 int (*iv_key_set)(struct ieee80211vap *,
468 const struct ieee80211_key *);
469 void (*iv_key_update_begin)(struct ieee80211vap *);
470 void (*iv_key_update_end)(struct ieee80211vap *);
471
472 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
473 void *iv_ec; /* private auth state */
474
475 const struct ieee80211_aclator *iv_acl; /* acl glue */
476 void *iv_as; /* private aclator state */
477
478 const struct ieee80211_ratectl *iv_rate;
479 void *iv_rs; /* private ratectl state */
480
481 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
482 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
483 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
484
485 /* operate-mode detach hook */
486 void (*iv_opdetach)(struct ieee80211vap *);
487 /* receive processing */
488 int (*iv_input)(struct ieee80211_node *,
489 struct mbuf *,
490 const struct ieee80211_rx_stats *,
491 int, int);
492 void (*iv_recv_mgmt)(struct ieee80211_node *,
493 struct mbuf *, int,
494 const struct ieee80211_rx_stats *,
495 int, int);
496 void (*iv_recv_ctl)(struct ieee80211_node *,
497 struct mbuf *, int);
498 void (*iv_deliver_data)(struct ieee80211vap *,
499 struct ieee80211_node *, struct mbuf *);
500 #if 0
501 /* send processing */
502 int (*iv_send_mgmt)(struct ieee80211_node *,
503 int, int);
504 #endif
505 /* beacon miss processing */
506 void (*iv_bmiss)(struct ieee80211vap *);
507 /* reset device state after 802.11 parameter/state change */
508 int (*iv_reset)(struct ieee80211vap *, u_long);
509 /* [schedule] beacon frame update */
510 void (*iv_update_beacon)(struct ieee80211vap *, int);
511 /* power save handling */
512 void (*iv_update_ps)(struct ieee80211vap *, int);
513 int (*iv_set_tim)(struct ieee80211_node *, int);
514 void (*iv_node_ps)(struct ieee80211_node *, int);
515 void (*iv_sta_ps)(struct ieee80211vap *, int);
516 void (*iv_recv_pspoll)(struct ieee80211_node *,
517 struct mbuf *);
518
519 /* state machine processing */
520 int (*iv_newstate)(struct ieee80211vap *,
521 enum ieee80211_state, int);
522 /* 802.3 output method for raw frame xmit */
523 int (*iv_output)(struct ifnet *, struct mbuf *,
524 const struct sockaddr *, struct route *);
525 uint64_t iv_spare[6];
526 };
527 MALLOC_DECLARE(M_80211_VAP);
528
529 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
530 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
531
532 /* ic_flags/iv_flags */
533 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
534 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
535 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
536 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
537 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
538 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
539 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
540 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
541 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
542 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
543 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
544 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
545 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
546 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
547 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
548 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
549 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
550 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
551 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
552 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
553 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
554 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
555 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
556 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
557 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
558 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
559 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
560 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
561 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
562 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
563 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
564 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
565 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
566 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
567
568 #define IEEE80211_F_BITS \
569 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
570 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
571 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
572 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
573 "\37DOTH\40DWDS"
574
575 /* Atheros protocol-specific flags */
576 #define IEEE80211_F_ATHEROS \
577 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
578 /* Check if an Atheros capability was negotiated for use */
579 #define IEEE80211_ATH_CAP(vap, ni, bit) \
580 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
581
582 /* ic_flags_ext/iv_flags_ext */
583 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
584 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
585 /* 0x00000006 reserved */
586 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
587 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
588 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
589 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
590 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
591 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
592 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
593 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
594 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
595 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
596 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
597 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
598 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
599 /* NB: immutable: should be set only when creating a vap */
600 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
601 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
602 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
603
604 #define IEEE80211_FEXT_BITS \
605 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
606 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
607 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
608
609 /* ic_flags_ht/iv_flags_ht */
610 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
611 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
612 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
613 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
614 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
615 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
616 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
617 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
618 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
619 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
620 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
621 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
622 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
623 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
624 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
625
626 #define IEEE80211_FHT_BITS \
627 "\20\1NONHT_PR" \
628 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
629 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
630 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
631
632 #define IEEE80211_FVEN_BITS "\20"
633
634 /* ic_caps/iv_caps: device driver capabilities */
635 /* 0x2e available */
636 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
637 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
638 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
639 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
640 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
641 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
642 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
643 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
644 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
645 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
646 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
647 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
648 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
649 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
650 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
651 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */
652 #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */
653 /* 0x7c0000 available */
654 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
655 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
656 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
657 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
658 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
659 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
660 /* 0x10000000 reserved */
661 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
662 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
663 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
664 /* XXX protection/barker? */
665
666 #define IEEE80211_C_OPMODE \
667 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
668 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
669 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
670
671 #define IEEE80211_C_BITS \
672 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
673 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
674 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
675 "\37TXFRAG\40TDMA"
676
677 /*
678 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
679 *
680 * NB: the low 16-bits are the 802.11 definitions, the upper
681 * 16-bits are used to define s/w/driver capabilities.
682 */
683 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
684 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
685 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
686 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
687 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
688 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
689 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
690 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
691 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
692 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
693
694 #define IEEE80211_C_HTCAP_BITS \
695 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
696 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
697
698 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3);
699 void ieee80211_ifattach(struct ieee80211com *);
700 void ieee80211_ifdetach(struct ieee80211com *);
701 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
702 const char name[IFNAMSIZ], int unit,
703 enum ieee80211_opmode opmode, int flags,
704 const uint8_t bssid[IEEE80211_ADDR_LEN]);
705 int ieee80211_vap_attach(struct ieee80211vap *,
706 ifm_change_cb_t, ifm_stat_cb_t,
707 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
708 void ieee80211_vap_detach(struct ieee80211vap *);
709 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
710 const struct ieee80211_channel *);
711 void ieee80211_announce(struct ieee80211com *);
712 void ieee80211_announce_channels(struct ieee80211com *);
713 void ieee80211_drain(struct ieee80211com *);
714 void ieee80211_chan_init(struct ieee80211com *);
715 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
716 struct ieee80211com *ieee80211_find_com(const char *name);
717 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *);
718 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *);
719 int ieee80211_media_change(struct ifnet *);
720 void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
721 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
722 int ieee80211_rate2media(struct ieee80211com *, int,
723 enum ieee80211_phymode);
724 int ieee80211_media2rate(int);
725 int ieee80211_mhz2ieee(u_int, u_int);
726 int ieee80211_chan2ieee(struct ieee80211com *,
727 const struct ieee80211_channel *);
728 u_int ieee80211_ieee2mhz(u_int, u_int);
729 int ieee80211_add_channel(struct ieee80211_channel[], int, int *,
730 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]);
731 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *,
732 uint8_t, int8_t, uint32_t);
733 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *,
734 const uint8_t[], int, const uint8_t[], int);
735 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *,
736 const uint8_t[], int, const uint8_t[], int);
737 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
738 int freq, int flags);
739 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
740 int ieee, int flags);
741 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *,
742 const struct ieee80211_rx_stats *);
743 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
744 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
745 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
746 const uint8_t addr[IEEE80211_ADDR_LEN]);
747 char ieee80211_channel_type_char(const struct ieee80211_channel *c);
748
749 void ieee80211_radiotap_attach(struct ieee80211com *,
750 struct ieee80211_radiotap_header *th, int tlen,
751 uint32_t tx_radiotap,
752 struct ieee80211_radiotap_header *rh, int rlen,
753 uint32_t rx_radiotap);
754 void ieee80211_radiotap_attachv(struct ieee80211com *,
755 struct ieee80211_radiotap_header *th,
756 int tlen, int n_tx_v, uint32_t tx_radiotap,
757 struct ieee80211_radiotap_header *rh,
758 int rlen, int n_rx_v, uint32_t rx_radiotap);
759 void ieee80211_radiotap_detach(struct ieee80211com *);
760 void ieee80211_radiotap_vattach(struct ieee80211vap *);
761 void ieee80211_radiotap_vdetach(struct ieee80211vap *);
762 void ieee80211_radiotap_chan_change(struct ieee80211com *);
763 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
764 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
765 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
766
767 static __inline int
768 ieee80211_radiotap_active(const struct ieee80211com *ic)
769 {
770 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
771 }
772
773 static __inline int
774 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
775 {
776 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
777 vap->iv_ic->ic_montaps != 0;
778 }
779
780 /*
781 * Enqueue a task on the state thread.
782 */
783 static __inline void
784 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
785 {
786 taskqueue_enqueue(ic->ic_tq, task);
787 }
788
789 /*
790 * Wait for a queued task to complete.
791 */
792 static __inline void
793 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
794 {
795 taskqueue_drain(ic->ic_tq, task);
796 }
797
798 /*
799 * Key update synchronization methods. XXX should not be visible.
800 */
801 static __inline void
802 ieee80211_key_update_begin(struct ieee80211vap *vap)
803 {
804 vap->iv_key_update_begin(vap);
805 }
806 static __inline void
807 ieee80211_key_update_end(struct ieee80211vap *vap)
808 {
809 vap->iv_key_update_end(vap);
810 }
811
812 /*
813 * XXX these need to be here for IEEE80211_F_DATAPAD
814 */
815
816 /*
817 * Return the space occupied by the 802.11 header and any
818 * padding required by the driver. This works for a
819 * management or data frame.
820 */
821 static __inline int
822 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
823 {
824 int size = ieee80211_hdrsize(data);
825 if (ic->ic_flags & IEEE80211_F_DATAPAD)
826 size = roundup(size, sizeof(uint32_t));
827 return size;
828 }
829
830 /*
831 * Like ieee80211_hdrspace, but handles any type of frame.
832 */
833 static __inline int
834 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
835 {
836 int size = ieee80211_anyhdrsize(data);
837 if (ic->ic_flags & IEEE80211_F_DATAPAD)
838 size = roundup(size, sizeof(uint32_t));
839 return size;
840 }
841
842 /*
843 * Notify a vap that beacon state has been updated.
844 */
845 static __inline void
846 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
847 {
848 if (vap->iv_state == IEEE80211_S_RUN)
849 vap->iv_update_beacon(vap, what);
850 }
851
852 /*
853 * Calculate HT channel promotion flags for a channel.
854 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
855 */
856 static __inline int
857 ieee80211_htchanflags(const struct ieee80211_channel *c)
858 {
859 return IEEE80211_IS_CHAN_HT40(c) ?
860 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
861 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
862 }
863
864 /*
865 * Fetch the current TX power (cap) for the given node.
866 *
867 * This includes the node and ic/vap TX power limit as needed,
868 * but it doesn't take into account any per-rate limit.
869 */
870 static __inline uint16_t
871 ieee80211_get_node_txpower(struct ieee80211_node *ni)
872 {
873 struct ieee80211com *ic = ni->ni_ic;
874 uint16_t txpower;
875
876 txpower = ni->ni_txpower;
877 txpower = MIN(txpower, ic->ic_txpowlimit);
878 if (ic->ic_curchan != NULL) {
879 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
880 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
881 }
882
883 return (txpower);
884 }
885
886 /*
887 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
888 *
889 * The intent is that any problem in the net80211 layer can be
890 * diagnosed by inspecting the statistics (dumped by the wlanstats
891 * program) and/or the msgs generated by net80211. Messages are
892 * broken into functional classes and can be controlled with the
893 * wlandebug program. Certain of these msg groups are for facilities
894 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
895 */
896 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
897 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
898 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
899 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
900 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
901 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
902 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
903 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */
904 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
905 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
906 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
907 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
908 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */
909 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
910 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
911 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
912 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
913 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
914 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
915 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
916 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
917 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
918 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
919 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
920 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
921 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
922 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
923 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
924 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
925 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
926 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
927
928 #define IEEE80211_MSG_ANY 0xffffffff /* anything */
929
930 #define IEEE80211_MSG_BITS \
931 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
932 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
933 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
934 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
935
936 #ifdef IEEE80211_DEBUG
937 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
938 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
939 if (ieee80211_msg(_vap, _m)) \
940 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
941 } while (0)
942 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
943 if (ieee80211_msg(_vap, _m)) \
944 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
945 } while (0)
946 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
947 if (ieee80211_msg(_vap, _m)) \
948 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
949 } while (0)
950 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
951 if (ieee80211_msg(_vap, _m)) \
952 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
953 } while (0)
954 void ieee80211_note(const struct ieee80211vap *, const char *, ...);
955 void ieee80211_note_mac(const struct ieee80211vap *,
956 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
957 void ieee80211_note_frame(const struct ieee80211vap *,
958 const struct ieee80211_frame *, const char *, ...);
959 #define ieee80211_msg_debug(_vap) \
960 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
961 #define ieee80211_msg_dumppkts(_vap) \
962 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
963 #define ieee80211_msg_input(_vap) \
964 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
965 #define ieee80211_msg_radius(_vap) \
966 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
967 #define ieee80211_msg_dumpradius(_vap) \
968 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
969 #define ieee80211_msg_dumpradkeys(_vap) \
970 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
971 #define ieee80211_msg_scan(_vap) \
972 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
973 #define ieee80211_msg_assoc(_vap) \
974 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
975
976 /*
977 * Emit a debug message about discarding a frame or information
978 * element. One format is for extracting the mac address from
979 * the frame header; the other is for when a header is not
980 * available or otherwise appropriate.
981 */
982 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
983 if ((_vap)->iv_debug & (_m)) \
984 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
985 } while (0)
986 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
987 if ((_vap)->iv_debug & (_m)) \
988 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
989 } while (0)
990 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
991 if ((_vap)->iv_debug & (_m)) \
992 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
993 } while (0)
994
995 void ieee80211_discard_frame(const struct ieee80211vap *,
996 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
997 void ieee80211_discard_ie(const struct ieee80211vap *,
998 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
999 void ieee80211_discard_mac(const struct ieee80211vap *,
1000 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
1001 const char *fmt, ...);
1002 #else
1003 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
1004 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
1005 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
1006 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
1007 #define ieee80211_msg_dumppkts(_vap) 0
1008 #define ieee80211_msg(_vap, _m) 0
1009
1010 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
1011 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
1012 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
1013 #endif
1014
1015 #endif /* _NET80211_IEEE80211_VAR_H_ */
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