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: head/sys/net80211/ieee80211_var.h 228621 2011-12-17 10:23:17Z bschmidt $
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#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
88
89/*
90 * 802.11 control state is split into a common portion that maps
91 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
92 * that are bound to an ieee80211com instance and share a single
93 * underlying device. Each VAP has a corresponding OS device
94 * entity through which traffic flows and that applications use
95 * for issuing ioctls, etc.
96 */
97
98/*
99 * Data common to one or more virtual AP's. State shared by
100 * the underlying device and the net80211 layer is exposed here;
101 * e.g. device-specific callbacks.
102 */
103struct ieee80211vap;
104typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
105
106struct ieee80211_appie {
107 uint16_t ie_len; /* size of ie_data */
108 uint8_t ie_data[]; /* user-specified IE's */
109};
110
111struct ieee80211_tdma_param;
112struct ieee80211_rate_table;
113struct ieee80211_tx_ampdu;
114struct ieee80211_rx_ampdu;
115struct ieee80211_superg;
116struct ieee80211_frame;
117
118struct ieee80211com {
119 struct ifnet *ic_ifp; /* associated device */
120 ieee80211_com_lock_t ic_comlock; /* state update lock */
121 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
122 int ic_headroom; /* driver tx headroom needs */
123 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
124 enum ieee80211_opmode ic_opmode; /* operation mode */
125 struct ifmedia ic_media; /* interface media config */
126 struct callout ic_inact; /* inactivity processing */
127 struct taskqueue *ic_tq; /* deferred state thread */
128 struct task ic_parent_task; /* deferred parent processing */
129 struct task ic_promisc_task;/* deferred promisc update */
130 struct task ic_mcast_task; /* deferred mcast update */
131 struct task ic_chan_task; /* deferred channel change */
132 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
133
134 uint32_t ic_flags; /* state flags */
135 uint32_t ic_flags_ext; /* extended state flags */
136 uint32_t ic_flags_ht; /* HT state flags */
137 uint32_t ic_flags_ven; /* vendor state flags */
138 uint32_t ic_caps; /* capabilities */
139 uint32_t ic_htcaps; /* HT capabilities */
140 uint32_t ic_htextcaps; /* HT extended capabilities */
141 uint32_t ic_cryptocaps; /* crypto capabilities */
142 uint8_t ic_modecaps[2]; /* set of mode capabilities */
143 uint8_t ic_promisc; /* vap's needing promisc mode */
144 uint8_t ic_allmulti; /* vap's needing all multicast*/
145 uint8_t ic_nrunning; /* vap's marked running */
146 uint8_t ic_curmode; /* current mode */
147 uint16_t ic_bintval; /* beacon interval */
148 uint16_t ic_lintval; /* listen interval */
149 uint16_t ic_holdover; /* PM hold over duration */
150 uint16_t ic_txpowlimit; /* global tx power limit */
151 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
152
153 /*
154 * Channel state:
155 *
156 * ic_channels is the set of available channels for the device;
157 * it is setup by the driver
158 * ic_nchans is the number of valid entries in ic_channels
159 * ic_chan_avail is a bit vector of these channels used to check
160 * whether a channel is available w/o searching the channel table.
161 * ic_chan_active is a (potentially) constrained subset of
162 * ic_chan_avail that reflects any mode setting or user-specified
163 * limit on the set of channels to use/scan
164 * ic_curchan is the current channel the device is set to; it may
165 * be different from ic_bsschan when we are off-channel scanning
166 * or otherwise doing background work
167 * ic_bsschan is the channel selected for operation; it may
168 * be undefined (IEEE80211_CHAN_ANYC)
169 * ic_prevchan is a cached ``previous channel'' used to optimize
170 * lookups when switching back+forth between two channels
171 * (e.g. for dynamic turbo)
172 */
173 int ic_nchans; /* # entries in ic_channels */
174 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
175 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
176 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
177 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
178 struct ieee80211_channel *ic_curchan; /* current channel */
179 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
180 struct ieee80211_channel *ic_bsschan; /* bss channel */
181 struct ieee80211_channel *ic_prevchan; /* previous channel */
182 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
183 struct ieee80211_appie *ic_countryie; /* calculated country ie */
184 struct ieee80211_channel *ic_countryie_chan;
185
186 /* 802.11h/DFS state */
187 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
188 short ic_csa_mode; /* mode for doing CSA */
189 short ic_csa_count; /* count for doing CSA */
190 struct ieee80211_dfs_state ic_dfs; /* DFS state */
191
192 struct ieee80211_scan_state *ic_scan; /* scan state */
193 int ic_lastdata; /* time of last data frame */
194 int ic_lastscan; /* time last scan completed */
195
196 /* NB: this is the union of all vap stations/neighbors */
197 int ic_max_keyix; /* max h/w key index */
198 struct ieee80211_node_table ic_sta; /* stations/neighbors */
199 struct ieee80211_ageq ic_stageq; /* frame staging queue */
200 uint32_t ic_hash_key; /* random key for mac hash */
201
202 /* XXX multi-bss: split out common/vap parts */
203 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
204
205 /* XXX multi-bss: can per-vap be done/make sense? */
206 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
207 uint16_t ic_nonerpsta; /* # non-ERP stations */
208 uint16_t ic_longslotsta; /* # long slot time stations */
209 uint16_t ic_sta_assoc; /* stations associated */
210 uint16_t ic_ht_sta_assoc;/* HT stations associated */
211 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
212 uint8_t ic_curhtprotmode;/* HTINFO bss state */
213 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
214 int ic_lastnonerp; /* last time non-ERP sta noted*/
215 int ic_lastnonht; /* last time non-HT sta noted */
216 uint8_t ic_rxstream; /* # RX streams */
217 uint8_t ic_txstream; /* # TX streams */
218
219 /* optional state for Atheros SuperG protocol extensions */
220 struct ieee80211_superg *ic_superg;
221
222 /* radiotap handling */
223 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
224 void *ic_txchan; /* channel state in ic_th */
225 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
226 void *ic_rxchan; /* channel state in ic_rh */
227 int ic_montaps; /* active monitor mode taps */
228
229 /* virtual ap create/delete */
230 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
231 const char [IFNAMSIZ], int,
232 enum ieee80211_opmode, int,
233 const uint8_t [IEEE80211_ADDR_LEN],
234 const uint8_t [IEEE80211_ADDR_LEN]);
235 void (*ic_vap_delete)(struct ieee80211vap *);
236 /* operating mode attachment */
237 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
238 /* return hardware/radio capabilities */
239 void (*ic_getradiocaps)(struct ieee80211com *,
240 int, int *, struct ieee80211_channel []);
241 /* check and/or prepare regdomain state change */
242 int (*ic_setregdomain)(struct ieee80211com *,
243 struct ieee80211_regdomain *,
244 int, struct ieee80211_channel []);
245
246 int (*ic_set_quiet)(struct ieee80211_node *,
247 u_int8_t *quiet_elm);
248
249 /* send/recv 802.11 management frame */
250 int (*ic_send_mgmt)(struct ieee80211_node *,
251 int, int);
252 /* send raw 802.11 frame */
253 int (*ic_raw_xmit)(struct ieee80211_node *,
254 struct mbuf *,
255 const struct ieee80211_bpf_params *);
256 /* update device state for 802.11 slot time change */
257 void (*ic_updateslot)(struct ifnet *);
258 /* handle multicast state changes */
259 void (*ic_update_mcast)(struct ifnet *);
260 /* handle promiscuous mode changes */
261 void (*ic_update_promisc)(struct ifnet *);
262 /* new station association callback/notification */
263 void (*ic_newassoc)(struct ieee80211_node *, int);
264 /* TDMA update notification */
265 void (*ic_tdma_update)(struct ieee80211_node *,
266 const struct ieee80211_tdma_param *, int);
267 /* node state management */
268 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
269 const uint8_t [IEEE80211_ADDR_LEN]);
270 void (*ic_node_free)(struct ieee80211_node *);
271 void (*ic_node_cleanup)(struct ieee80211_node *);
272 void (*ic_node_age)(struct ieee80211_node *);
273 void (*ic_node_drain)(struct ieee80211_node *);
274 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
275 void (*ic_node_getsignal)(const struct ieee80211_node*,
276 int8_t *, int8_t *);
277 void (*ic_node_getmimoinfo)(
278 const struct ieee80211_node*,
279 struct ieee80211_mimo_info *);
280 /* scanning support */
281 void (*ic_scan_start)(struct ieee80211com *);
282 void (*ic_scan_end)(struct ieee80211com *);
283 void (*ic_set_channel)(struct ieee80211com *);
284 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
285 unsigned long);
286 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
287
288 /*
289 * 802.11n ADDBA support. A simple/generic implementation
290 * of A-MPDU tx aggregation is provided; the driver may
291 * override these methods to provide their own support.
292 * A-MPDU rx re-ordering happens automatically if the
293 * driver passes out-of-order frames to ieee80211_input
294 * from an assocated HT station.
295 */
296 int (*ic_recv_action)(struct ieee80211_node *,
297 const struct ieee80211_frame *,
298 const uint8_t *frm, const uint8_t *efrm);
299 int (*ic_send_action)(struct ieee80211_node *,
300 int category, int action, void *);
301 /* check if A-MPDU should be enabled this station+ac */
302 int (*ic_ampdu_enable)(struct ieee80211_node *,
303 struct ieee80211_tx_ampdu *);
304 /* start/stop doing A-MPDU tx aggregation for a station */
305 int (*ic_addba_request)(struct ieee80211_node *,
306 struct ieee80211_tx_ampdu *,
307 int dialogtoken, int baparamset,
308 int batimeout);
309 int (*ic_addba_response)(struct ieee80211_node *,
310 struct ieee80211_tx_ampdu *,
311 int status, int baparamset, int batimeout);
312 void (*ic_addba_stop)(struct ieee80211_node *,
313 struct ieee80211_tx_ampdu *);
314 void (*ic_addba_response_timeout)(struct ieee80211_node *,
315 struct ieee80211_tx_ampdu *);
316 /* BAR response received */
317 void (*ic_bar_response)(struct ieee80211_node *,
318 struct ieee80211_tx_ampdu *, int status);
319 /* start/stop doing A-MPDU rx processing for a station */
320 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
321 struct ieee80211_rx_ampdu *, int baparamset,
322 int batimeout, int baseqctl);
323 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
324 struct ieee80211_rx_ampdu *);
325 uint64_t ic_spare[7];
326};
327
328struct ieee80211_aclator;
329struct ieee80211_tdma_state;
330struct ieee80211_mesh_state;
331struct ieee80211_hwmp_state;
332
333struct ieee80211vap {
334 struct ifmedia iv_media; /* interface media config */
335 struct ifnet *iv_ifp; /* associated device */
336 struct bpf_if *iv_rawbpf; /* packet filter structure */
337 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
338 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
339
340 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
341 struct ieee80211com *iv_ic; /* back ptr to common state */
342 uint32_t iv_debug; /* debug msg flags */
343 struct ieee80211_stats iv_stats; /* statistics */
344
345 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
346 uint32_t iv_flags; /* state flags */
347 uint32_t iv_flags_ext; /* extended state flags */
348 uint32_t iv_flags_ht; /* HT state flags */
349 uint32_t iv_flags_ven; /* vendor state flags */
350 uint32_t iv_caps; /* capabilities */
351 uint32_t iv_htcaps; /* HT capabilities */
352 uint32_t iv_htextcaps; /* HT extended capabilities */
353 enum ieee80211_opmode iv_opmode; /* operation mode */
354 enum ieee80211_state iv_state; /* state machine state */
355 enum ieee80211_state iv_nstate; /* pending state */
356 int iv_nstate_arg; /* pending state arg */
357 struct task iv_nstate_task; /* deferred state processing */
358 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
359 struct callout iv_mgtsend; /* mgmt frame response timer */
360 /* inactivity timer settings */
361 int iv_inact_init; /* setting for new station */
362 int iv_inact_auth; /* auth but not assoc setting */
363 int iv_inact_run; /* authorized setting */
364 int iv_inact_probe; /* inactive probe time */
365
366 int iv_des_nssid; /* # desired ssids */
367 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
368 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
369 struct ieee80211_channel *iv_des_chan; /* desired channel */
370 uint16_t iv_des_mode; /* desired mode */
371 int iv_nicknamelen; /* XXX junk */
372 uint8_t iv_nickname[IEEE80211_NWID_LEN];
373 u_int iv_bgscanidle; /* bg scan idle threshold */
374 u_int iv_bgscanintvl; /* bg scan min interval */
375 u_int iv_scanvalid; /* scan cache valid threshold */
376 u_int iv_scanreq_duration;
377 u_int iv_scanreq_mindwell;
378 u_int iv_scanreq_maxdwell;
379 uint16_t iv_scanreq_flags;/* held scan request params */
380 uint8_t iv_scanreq_nssid;
381 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
382 /* sta-mode roaming state */
383 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
384 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
385
386 uint8_t iv_bmissthreshold;
387 uint8_t iv_bmiss_count; /* current beacon miss count */
388 int iv_bmiss_max; /* max bmiss before scan */
389 uint16_t iv_swbmiss_count;/* beacons in last period */
390 uint16_t iv_swbmiss_period;/* s/w bmiss period */
391 struct callout iv_swbmiss; /* s/w beacon miss timer */
392
393 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
394 int iv_ampdu_density;/* A-MPDU density */
395 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
396 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
397 u_int iv_ampdu_mintraffic[WME_NUM_AC];
398
399 uint32_t *iv_aid_bitmap; /* association id map */
400 uint16_t iv_max_aid;
401 uint16_t iv_sta_assoc; /* stations associated */
402 uint16_t iv_ps_sta; /* stations in power save */
403 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
404 uint16_t iv_txseq; /* mcast xmit seq# space */
405 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
406 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
407 uint8_t iv_dtim_period; /* DTIM period */
408 uint8_t iv_dtim_count; /* DTIM count from last bcn */
409 /* set/unset aid pwrsav state */
410 uint8_t iv_quiet; /* Quiet Element */
411 uint8_t iv_quiet_count; /* constant count for Quiet Element */
412 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
413 uint8_t iv_quiet_period; /* period for Quiet Element */
414 uint16_t iv_quiet_duration; /* duration for Quiet Element */
415 uint16_t iv_quiet_offset; /* offset for Quiet Element */
416 int iv_csa_count; /* count for doing CSA */
417
418 struct ieee80211_node *iv_bss; /* information for this node */
419 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
420 uint16_t iv_rtsthreshold;
421 uint16_t iv_fragthreshold;
422 int iv_inact_timer; /* inactivity timer wait */
423 /* application-specified IE's to attach to mgt frames */
424 struct ieee80211_appie *iv_appie_beacon;
425 struct ieee80211_appie *iv_appie_probereq;
426 struct ieee80211_appie *iv_appie_proberesp;
427 struct ieee80211_appie *iv_appie_assocreq;
428 struct ieee80211_appie *iv_appie_assocresp;
429 struct ieee80211_appie *iv_appie_wpa;
430 uint8_t *iv_wpa_ie;
431 uint8_t *iv_rsn_ie;
432 uint16_t iv_max_keyix; /* max h/w key index */
433 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
434 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
435 int (*iv_key_alloc)(struct ieee80211vap *,
436 struct ieee80211_key *,
437 ieee80211_keyix *, ieee80211_keyix *);
438 int (*iv_key_delete)(struct ieee80211vap *,
439 const struct ieee80211_key *);
440 int (*iv_key_set)(struct ieee80211vap *,
441 const struct ieee80211_key *,
442 const uint8_t mac[IEEE80211_ADDR_LEN]);
443 void (*iv_key_update_begin)(struct ieee80211vap *);
444 void (*iv_key_update_end)(struct ieee80211vap *);
445
446 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
447 void *iv_ec; /* private auth state */
448
449 const struct ieee80211_aclator *iv_acl; /* acl glue */
450 void *iv_as; /* private aclator state */
451
452 const struct ieee80211_ratectl *iv_rate;
453 void *iv_rs; /* private ratectl state */
454
455 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
456 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
457 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
458
459 /* operate-mode detach hook */
460 void (*iv_opdetach)(struct ieee80211vap *);
461 /* receive processing */
462 int (*iv_input)(struct ieee80211_node *,
463 struct mbuf *, int, int);
464 void (*iv_recv_mgmt)(struct ieee80211_node *,
465 struct mbuf *, int, int, int);
466 void (*iv_recv_ctl)(struct ieee80211_node *,
467 struct mbuf *, int);
468 void (*iv_deliver_data)(struct ieee80211vap *,
469 struct ieee80211_node *, struct mbuf *);
470#if 0
471 /* send processing */
472 int (*iv_send_mgmt)(struct ieee80211_node *,
473 int, int);
474#endif
475 /* beacon miss processing */
476 void (*iv_bmiss)(struct ieee80211vap *);
477 /* reset device state after 802.11 parameter/state change */
478 int (*iv_reset)(struct ieee80211vap *, u_long);
479 /* [schedule] beacon frame update */
480 void (*iv_update_beacon)(struct ieee80211vap *, int);
481 /* power save handling */
482 void (*iv_update_ps)(struct ieee80211vap *, int);
483 int (*iv_set_tim)(struct ieee80211_node *, int);
484 /* state machine processing */
485 int (*iv_newstate)(struct ieee80211vap *,
486 enum ieee80211_state, int);
487 /* 802.3 output method for raw frame xmit */
488 int (*iv_output)(struct ifnet *, struct mbuf *,
489 struct sockaddr *, struct route *);
490 uint64_t iv_spare[6];
491};
492MALLOC_DECLARE(M_80211_VAP);
493
494#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
495#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
496
497/* ic_flags/iv_flags */
498#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
499#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
500#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
501#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
502/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
503#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
504#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
505#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
506#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
507#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
508/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
509#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
510#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
511#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
512#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
513#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
514#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
515#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
516#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
517#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
518#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
519#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
520#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
521#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
522#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
523#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
524#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
525#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
526#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
527#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
528#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
529#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
530#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
531#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
532
533#define IEEE80211_F_BITS \
534 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
535 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
536 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
537 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
538 "\37DOTH\40DWDS"
539
540/* Atheros protocol-specific flags */
541#define IEEE80211_F_ATHEROS \
542 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
543/* Check if an Atheros capability was negotiated for use */
544#define IEEE80211_ATH_CAP(vap, ni, bit) \
545 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
546
547/* ic_flags_ext/iv_flags_ext */
548#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
549#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
550/* 0x00000006 reserved */
551#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
552#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
553#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
554#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
555#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
556#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
557#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
558#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
559#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
560#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
561#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
562#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
563#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
564/* NB: immutable: should be set only when creating a vap */
565#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
566#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
567#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
568
569#define IEEE80211_FEXT_BITS \
570 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
571 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
572 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
573
574/* ic_flags_ht/iv_flags_ht */
575#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
576#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
577#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
578#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
579#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
580#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
581#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
582#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
583#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
584#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
585#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
586#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
587#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
588#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
589#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
590
591#define IEEE80211_FHT_BITS \
592 "\20\1NONHT_PR" \
593 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
594 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
595 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
596
597#define IEEE80211_FVEN_BITS "\20"
598
599/* ic_caps/iv_caps: device driver capabilities */
600/* 0x2e available */
601#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
602#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
603#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
604#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
605#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
606#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
607#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
608#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
609#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
610#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
611#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
612#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
613#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
614#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
615#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
616/* 0x7c0000 available */
617#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
618#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
619#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
620#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
621#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
622#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
623/* 0x10000000 reserved */
624#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
625#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
626#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
627/* XXX protection/barker? */
628
629#define IEEE80211_C_OPMODE \
630 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
631 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
632 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
633
634#define IEEE80211_C_BITS \
635 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
636 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
637 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
638 "\37TXFRAG\40TDMA"
639
640/*
641 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
642 *
643 * NB: the low 16-bits are the 802.11 definitions, the upper
644 * 16-bits are used to define s/w/driver capabilities.
645 */
646#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
647#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
648/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
649#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
650#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
651#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
652#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
653#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
654#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
655#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
656
657#define IEEE80211_C_HTCAP_BITS \
658 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
659 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
660
661void ieee80211_ifattach(struct ieee80211com *,
662 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
663void ieee80211_ifdetach(struct ieee80211com *);
664int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
665 const char name[IFNAMSIZ], int unit,
666 enum ieee80211_opmode opmode, int flags,
667 const uint8_t bssid[IEEE80211_ADDR_LEN],
668 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
669int ieee80211_vap_attach(struct ieee80211vap *,
670 ifm_change_cb_t, ifm_stat_cb_t);
671void ieee80211_vap_detach(struct ieee80211vap *);
672const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
673 const struct ieee80211_channel *);
674void ieee80211_announce(struct ieee80211com *);
675void ieee80211_announce_channels(struct ieee80211com *);
676void ieee80211_drain(struct ieee80211com *);
677void ieee80211_media_init(struct ieee80211com *);
678struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
679int ieee80211_media_change(struct ifnet *);
680void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
681int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
682int ieee80211_rate2media(struct ieee80211com *, int,
683 enum ieee80211_phymode);
684int ieee80211_media2rate(int);
685int ieee80211_mhz2ieee(u_int, u_int);
686int ieee80211_chan2ieee(struct ieee80211com *,
687 const struct ieee80211_channel *);
688u_int ieee80211_ieee2mhz(u_int, u_int);
689struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
690 int freq, int flags);
691struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
692 int ieee, int flags);
693int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
694enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
695uint32_t ieee80211_mac_hash(const struct ieee80211com *,
696 const uint8_t addr[IEEE80211_ADDR_LEN]);
697
698void ieee80211_radiotap_attach(struct ieee80211com *,
699 struct ieee80211_radiotap_header *th, int tlen,
700 uint32_t tx_radiotap,
701 struct ieee80211_radiotap_header *rh, int rlen,
702 uint32_t rx_radiotap);
703void ieee80211_radiotap_detach(struct ieee80211com *);
704void ieee80211_radiotap_vattach(struct ieee80211vap *);
705void ieee80211_radiotap_vdetach(struct ieee80211vap *);
706void ieee80211_radiotap_chan_change(struct ieee80211com *);
707void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
708void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
709void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
710
711static __inline int
712ieee80211_radiotap_active(const struct ieee80211com *ic)
713{
714 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
715}
716
717static __inline int
718ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
719{
720 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
721 vap->iv_ic->ic_montaps != 0;
722}
723
724/*
725 * Enqueue a task on the state thread.
726 */
727static __inline void
728ieee80211_runtask(struct ieee80211com *ic, struct task *task)
729{
730 taskqueue_enqueue(ic->ic_tq, task);
731}
732
733/*
734 * Wait for a queued task to complete.
735 */
736static __inline void
737ieee80211_draintask(struct ieee80211com *ic, struct task *task)
738{
739 taskqueue_drain(ic->ic_tq, task);
740}
741
742/*
743 * Key update synchronization methods. XXX should not be visible.
744 */
745static __inline void
746ieee80211_key_update_begin(struct ieee80211vap *vap)
747{
748 vap->iv_key_update_begin(vap);
749}
750static __inline void
751ieee80211_key_update_end(struct ieee80211vap *vap)
752{
753 vap->iv_key_update_end(vap);
754}
755
756/*
757 * XXX these need to be here for IEEE80211_F_DATAPAD
758 */
759
760/*
761 * Return the space occupied by the 802.11 header and any
762 * padding required by the driver. This works for a
763 * management or data frame.
764 */
765static __inline int
766ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
767{
768 int size = ieee80211_hdrsize(data);
769 if (ic->ic_flags & IEEE80211_F_DATAPAD)
770 size = roundup(size, sizeof(uint32_t));
771 return size;
772}
773
774/*
775 * Like ieee80211_hdrspace, but handles any type of frame.
776 */
777static __inline int
778ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
779{
780 int size = ieee80211_anyhdrsize(data);
781 if (ic->ic_flags & IEEE80211_F_DATAPAD)
782 size = roundup(size, sizeof(uint32_t));
783 return size;
784}
785
786/*
787 * Notify a vap that beacon state has been updated.
788 */
789static __inline void
790ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
791{
792 if (vap->iv_state == IEEE80211_S_RUN)
793 vap->iv_update_beacon(vap, what);
794}
795
796/*
797 * Calculate HT channel promotion flags for a channel.
798 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
799 */
800static __inline int
801ieee80211_htchanflags(const struct ieee80211_channel *c)
802{
803 return IEEE80211_IS_CHAN_HT40(c) ?
804 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
805 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
806}
807
808/*
809 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
810 *
811 * The intent is that any problem in the net80211 layer can be
812 * diagnosed by inspecting the statistics (dumped by the wlanstats
813 * program) and/or the msgs generated by net80211. Messages are
814 * broken into functional classes and can be controlled with the
815 * wlandebug program. Certain of these msg groups are for facilities
816 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
817 */
818#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
819#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
820#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
821#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
822#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
823#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
824#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
825#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
826#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
827#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
828#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
829#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
830#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
831#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
832#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
833#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
834#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
835#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
836#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
837#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
838#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
839#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
840#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
841#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
842#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
843#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
844#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
845#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
846#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
847#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
848#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
849
850#define IEEE80211_MSG_ANY 0xffffffff /* anything */
851
852#define IEEE80211_MSG_BITS \
853 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
854 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
855 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
856 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
857
858#ifdef IEEE80211_DEBUG
859#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
860#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
861 if (ieee80211_msg(_vap, _m)) \
862 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
863} while (0)
864#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
865 if (ieee80211_msg(_vap, _m)) \
866 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
867} while (0)
868#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
869 if (ieee80211_msg(_vap, _m)) \
870 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
871} while (0)
872#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
873 if (ieee80211_msg(_vap, _m)) \
874 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
875} while (0)
876void ieee80211_note(const struct ieee80211vap *, const char *, ...);
877void ieee80211_note_mac(const struct ieee80211vap *,
878 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
879void ieee80211_note_frame(const struct ieee80211vap *,
880 const struct ieee80211_frame *, const char *, ...);
881#define ieee80211_msg_debug(_vap) \
882 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
883#define ieee80211_msg_dumppkts(_vap) \
884 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
885#define ieee80211_msg_input(_vap) \
886 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
887#define ieee80211_msg_radius(_vap) \
888 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
889#define ieee80211_msg_dumpradius(_vap) \
890 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
891#define ieee80211_msg_dumpradkeys(_vap) \
892 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
893#define ieee80211_msg_scan(_vap) \
894 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
895#define ieee80211_msg_assoc(_vap) \
896 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
897
898/*
899 * Emit a debug message about discarding a frame or information
900 * element. One format is for extracting the mac address from
901 * the frame header; the other is for when a header is not
902 * available or otherwise appropriate.
903 */
904#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
905 if ((_vap)->iv_debug & (_m)) \
906 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
907} while (0)
908#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
909 if ((_vap)->iv_debug & (_m)) \
910 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
911} while (0)
912#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
913 if ((_vap)->iv_debug & (_m)) \
914 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
915} while (0)
916
917void ieee80211_discard_frame(const struct ieee80211vap *,
918 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
919void ieee80211_discard_ie(const struct ieee80211vap *,
920 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
921void ieee80211_discard_mac(const struct ieee80211vap *,
922 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
923 const char *fmt, ...);
924#else
925#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
926#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
927#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
928#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
929#define ieee80211_msg_dumppkts(_vap) 0
930#define ieee80211_msg(_vap, _m) 0
931
932#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
933#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
934#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
935#endif
936
937#endif /* _NET80211_IEEE80211_VAR_H_ */
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: head/sys/net80211/ieee80211_var.h 228621 2011-12-17 10:23:17Z bschmidt $
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#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
88
89/*
90 * 802.11 control state is split into a common portion that maps
91 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
92 * that are bound to an ieee80211com instance and share a single
93 * underlying device. Each VAP has a corresponding OS device
94 * entity through which traffic flows and that applications use
95 * for issuing ioctls, etc.
96 */
97
98/*
99 * Data common to one or more virtual AP's. State shared by
100 * the underlying device and the net80211 layer is exposed here;
101 * e.g. device-specific callbacks.
102 */
103struct ieee80211vap;
104typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
105
106struct ieee80211_appie {
107 uint16_t ie_len; /* size of ie_data */
108 uint8_t ie_data[]; /* user-specified IE's */
109};
110
111struct ieee80211_tdma_param;
112struct ieee80211_rate_table;
113struct ieee80211_tx_ampdu;
114struct ieee80211_rx_ampdu;
115struct ieee80211_superg;
116struct ieee80211_frame;
117
118struct ieee80211com {
119 struct ifnet *ic_ifp; /* associated device */
120 ieee80211_com_lock_t ic_comlock; /* state update lock */
121 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
122 int ic_headroom; /* driver tx headroom needs */
123 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
124 enum ieee80211_opmode ic_opmode; /* operation mode */
125 struct ifmedia ic_media; /* interface media config */
126 struct callout ic_inact; /* inactivity processing */
127 struct taskqueue *ic_tq; /* deferred state thread */
128 struct task ic_parent_task; /* deferred parent processing */
129 struct task ic_promisc_task;/* deferred promisc update */
130 struct task ic_mcast_task; /* deferred mcast update */
131 struct task ic_chan_task; /* deferred channel change */
132 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
133
134 uint32_t ic_flags; /* state flags */
135 uint32_t ic_flags_ext; /* extended state flags */
136 uint32_t ic_flags_ht; /* HT state flags */
137 uint32_t ic_flags_ven; /* vendor state flags */
138 uint32_t ic_caps; /* capabilities */
139 uint32_t ic_htcaps; /* HT capabilities */
140 uint32_t ic_htextcaps; /* HT extended capabilities */
141 uint32_t ic_cryptocaps; /* crypto capabilities */
142 uint8_t ic_modecaps[2]; /* set of mode capabilities */
143 uint8_t ic_promisc; /* vap's needing promisc mode */
144 uint8_t ic_allmulti; /* vap's needing all multicast*/
145 uint8_t ic_nrunning; /* vap's marked running */
146 uint8_t ic_curmode; /* current mode */
147 uint16_t ic_bintval; /* beacon interval */
148 uint16_t ic_lintval; /* listen interval */
149 uint16_t ic_holdover; /* PM hold over duration */
150 uint16_t ic_txpowlimit; /* global tx power limit */
151 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
152
153 /*
154 * Channel state:
155 *
156 * ic_channels is the set of available channels for the device;
157 * it is setup by the driver
158 * ic_nchans is the number of valid entries in ic_channels
159 * ic_chan_avail is a bit vector of these channels used to check
160 * whether a channel is available w/o searching the channel table.
161 * ic_chan_active is a (potentially) constrained subset of
162 * ic_chan_avail that reflects any mode setting or user-specified
163 * limit on the set of channels to use/scan
164 * ic_curchan is the current channel the device is set to; it may
165 * be different from ic_bsschan when we are off-channel scanning
166 * or otherwise doing background work
167 * ic_bsschan is the channel selected for operation; it may
168 * be undefined (IEEE80211_CHAN_ANYC)
169 * ic_prevchan is a cached ``previous channel'' used to optimize
170 * lookups when switching back+forth between two channels
171 * (e.g. for dynamic turbo)
172 */
173 int ic_nchans; /* # entries in ic_channels */
174 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
175 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
176 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
177 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
178 struct ieee80211_channel *ic_curchan; /* current channel */
179 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
180 struct ieee80211_channel *ic_bsschan; /* bss channel */
181 struct ieee80211_channel *ic_prevchan; /* previous channel */
182 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
183 struct ieee80211_appie *ic_countryie; /* calculated country ie */
184 struct ieee80211_channel *ic_countryie_chan;
185
186 /* 802.11h/DFS state */
187 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
188 short ic_csa_mode; /* mode for doing CSA */
189 short ic_csa_count; /* count for doing CSA */
190 struct ieee80211_dfs_state ic_dfs; /* DFS state */
191
192 struct ieee80211_scan_state *ic_scan; /* scan state */
193 int ic_lastdata; /* time of last data frame */
194 int ic_lastscan; /* time last scan completed */
195
196 /* NB: this is the union of all vap stations/neighbors */
197 int ic_max_keyix; /* max h/w key index */
198 struct ieee80211_node_table ic_sta; /* stations/neighbors */
199 struct ieee80211_ageq ic_stageq; /* frame staging queue */
200 uint32_t ic_hash_key; /* random key for mac hash */
201
202 /* XXX multi-bss: split out common/vap parts */
203 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
204
205 /* XXX multi-bss: can per-vap be done/make sense? */
206 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
207 uint16_t ic_nonerpsta; /* # non-ERP stations */
208 uint16_t ic_longslotsta; /* # long slot time stations */
209 uint16_t ic_sta_assoc; /* stations associated */
210 uint16_t ic_ht_sta_assoc;/* HT stations associated */
211 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
212 uint8_t ic_curhtprotmode;/* HTINFO bss state */
213 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
214 int ic_lastnonerp; /* last time non-ERP sta noted*/
215 int ic_lastnonht; /* last time non-HT sta noted */
216 uint8_t ic_rxstream; /* # RX streams */
217 uint8_t ic_txstream; /* # TX streams */
218
219 /* optional state for Atheros SuperG protocol extensions */
220 struct ieee80211_superg *ic_superg;
221
222 /* radiotap handling */
223 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
224 void *ic_txchan; /* channel state in ic_th */
225 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
226 void *ic_rxchan; /* channel state in ic_rh */
227 int ic_montaps; /* active monitor mode taps */
228
229 /* virtual ap create/delete */
230 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
231 const char [IFNAMSIZ], int,
232 enum ieee80211_opmode, int,
233 const uint8_t [IEEE80211_ADDR_LEN],
234 const uint8_t [IEEE80211_ADDR_LEN]);
235 void (*ic_vap_delete)(struct ieee80211vap *);
236 /* operating mode attachment */
237 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
238 /* return hardware/radio capabilities */
239 void (*ic_getradiocaps)(struct ieee80211com *,
240 int, int *, struct ieee80211_channel []);
241 /* check and/or prepare regdomain state change */
242 int (*ic_setregdomain)(struct ieee80211com *,
243 struct ieee80211_regdomain *,
244 int, struct ieee80211_channel []);
245
246 int (*ic_set_quiet)(struct ieee80211_node *,
247 u_int8_t *quiet_elm);
248
249 /* send/recv 802.11 management frame */
250 int (*ic_send_mgmt)(struct ieee80211_node *,
251 int, int);
252 /* send raw 802.11 frame */
253 int (*ic_raw_xmit)(struct ieee80211_node *,
254 struct mbuf *,
255 const struct ieee80211_bpf_params *);
256 /* update device state for 802.11 slot time change */
257 void (*ic_updateslot)(struct ifnet *);
258 /* handle multicast state changes */
259 void (*ic_update_mcast)(struct ifnet *);
260 /* handle promiscuous mode changes */
261 void (*ic_update_promisc)(struct ifnet *);
262 /* new station association callback/notification */
263 void (*ic_newassoc)(struct ieee80211_node *, int);
264 /* TDMA update notification */
265 void (*ic_tdma_update)(struct ieee80211_node *,
266 const struct ieee80211_tdma_param *, int);
267 /* node state management */
268 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
269 const uint8_t [IEEE80211_ADDR_LEN]);
270 void (*ic_node_free)(struct ieee80211_node *);
271 void (*ic_node_cleanup)(struct ieee80211_node *);
272 void (*ic_node_age)(struct ieee80211_node *);
273 void (*ic_node_drain)(struct ieee80211_node *);
274 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
275 void (*ic_node_getsignal)(const struct ieee80211_node*,
276 int8_t *, int8_t *);
277 void (*ic_node_getmimoinfo)(
278 const struct ieee80211_node*,
279 struct ieee80211_mimo_info *);
280 /* scanning support */
281 void (*ic_scan_start)(struct ieee80211com *);
282 void (*ic_scan_end)(struct ieee80211com *);
283 void (*ic_set_channel)(struct ieee80211com *);
284 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
285 unsigned long);
286 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
287
288 /*
289 * 802.11n ADDBA support. A simple/generic implementation
290 * of A-MPDU tx aggregation is provided; the driver may
291 * override these methods to provide their own support.
292 * A-MPDU rx re-ordering happens automatically if the
293 * driver passes out-of-order frames to ieee80211_input
294 * from an assocated HT station.
295 */
296 int (*ic_recv_action)(struct ieee80211_node *,
297 const struct ieee80211_frame *,
298 const uint8_t *frm, const uint8_t *efrm);
299 int (*ic_send_action)(struct ieee80211_node *,
300 int category, int action, void *);
301 /* check if A-MPDU should be enabled this station+ac */
302 int (*ic_ampdu_enable)(struct ieee80211_node *,
303 struct ieee80211_tx_ampdu *);
304 /* start/stop doing A-MPDU tx aggregation for a station */
305 int (*ic_addba_request)(struct ieee80211_node *,
306 struct ieee80211_tx_ampdu *,
307 int dialogtoken, int baparamset,
308 int batimeout);
309 int (*ic_addba_response)(struct ieee80211_node *,
310 struct ieee80211_tx_ampdu *,
311 int status, int baparamset, int batimeout);
312 void (*ic_addba_stop)(struct ieee80211_node *,
313 struct ieee80211_tx_ampdu *);
314 void (*ic_addba_response_timeout)(struct ieee80211_node *,
315 struct ieee80211_tx_ampdu *);
316 /* BAR response received */
317 void (*ic_bar_response)(struct ieee80211_node *,
318 struct ieee80211_tx_ampdu *, int status);
319 /* start/stop doing A-MPDU rx processing for a station */
320 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
321 struct ieee80211_rx_ampdu *, int baparamset,
322 int batimeout, int baseqctl);
323 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
324 struct ieee80211_rx_ampdu *);
325 uint64_t ic_spare[7];
326};
327
328struct ieee80211_aclator;
329struct ieee80211_tdma_state;
330struct ieee80211_mesh_state;
331struct ieee80211_hwmp_state;
332
333struct ieee80211vap {
334 struct ifmedia iv_media; /* interface media config */
335 struct ifnet *iv_ifp; /* associated device */
336 struct bpf_if *iv_rawbpf; /* packet filter structure */
337 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
338 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
339
340 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
341 struct ieee80211com *iv_ic; /* back ptr to common state */
342 uint32_t iv_debug; /* debug msg flags */
343 struct ieee80211_stats iv_stats; /* statistics */
344
345 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
346 uint32_t iv_flags; /* state flags */
347 uint32_t iv_flags_ext; /* extended state flags */
348 uint32_t iv_flags_ht; /* HT state flags */
349 uint32_t iv_flags_ven; /* vendor state flags */
350 uint32_t iv_caps; /* capabilities */
351 uint32_t iv_htcaps; /* HT capabilities */
352 uint32_t iv_htextcaps; /* HT extended capabilities */
353 enum ieee80211_opmode iv_opmode; /* operation mode */
354 enum ieee80211_state iv_state; /* state machine state */
355 enum ieee80211_state iv_nstate; /* pending state */
356 int iv_nstate_arg; /* pending state arg */
357 struct task iv_nstate_task; /* deferred state processing */
358 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
359 struct callout iv_mgtsend; /* mgmt frame response timer */
360 /* inactivity timer settings */
361 int iv_inact_init; /* setting for new station */
362 int iv_inact_auth; /* auth but not assoc setting */
363 int iv_inact_run; /* authorized setting */
364 int iv_inact_probe; /* inactive probe time */
365
366 int iv_des_nssid; /* # desired ssids */
367 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
368 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
369 struct ieee80211_channel *iv_des_chan; /* desired channel */
370 uint16_t iv_des_mode; /* desired mode */
371 int iv_nicknamelen; /* XXX junk */
372 uint8_t iv_nickname[IEEE80211_NWID_LEN];
373 u_int iv_bgscanidle; /* bg scan idle threshold */
374 u_int iv_bgscanintvl; /* bg scan min interval */
375 u_int iv_scanvalid; /* scan cache valid threshold */
376 u_int iv_scanreq_duration;
377 u_int iv_scanreq_mindwell;
378 u_int iv_scanreq_maxdwell;
379 uint16_t iv_scanreq_flags;/* held scan request params */
380 uint8_t iv_scanreq_nssid;
381 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
382 /* sta-mode roaming state */
383 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
384 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
385
386 uint8_t iv_bmissthreshold;
387 uint8_t iv_bmiss_count; /* current beacon miss count */
388 int iv_bmiss_max; /* max bmiss before scan */
389 uint16_t iv_swbmiss_count;/* beacons in last period */
390 uint16_t iv_swbmiss_period;/* s/w bmiss period */
391 struct callout iv_swbmiss; /* s/w beacon miss timer */
392
393 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
394 int iv_ampdu_density;/* A-MPDU density */
395 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
396 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
397 u_int iv_ampdu_mintraffic[WME_NUM_AC];
398
399 uint32_t *iv_aid_bitmap; /* association id map */
400 uint16_t iv_max_aid;
401 uint16_t iv_sta_assoc; /* stations associated */
402 uint16_t iv_ps_sta; /* stations in power save */
403 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
404 uint16_t iv_txseq; /* mcast xmit seq# space */
405 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
406 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
407 uint8_t iv_dtim_period; /* DTIM period */
408 uint8_t iv_dtim_count; /* DTIM count from last bcn */
409 /* set/unset aid pwrsav state */
410 uint8_t iv_quiet; /* Quiet Element */
411 uint8_t iv_quiet_count; /* constant count for Quiet Element */
412 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
413 uint8_t iv_quiet_period; /* period for Quiet Element */
414 uint16_t iv_quiet_duration; /* duration for Quiet Element */
415 uint16_t iv_quiet_offset; /* offset for Quiet Element */
416 int iv_csa_count; /* count for doing CSA */
417
418 struct ieee80211_node *iv_bss; /* information for this node */
419 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
420 uint16_t iv_rtsthreshold;
421 uint16_t iv_fragthreshold;
422 int iv_inact_timer; /* inactivity timer wait */
423 /* application-specified IE's to attach to mgt frames */
424 struct ieee80211_appie *iv_appie_beacon;
425 struct ieee80211_appie *iv_appie_probereq;
426 struct ieee80211_appie *iv_appie_proberesp;
427 struct ieee80211_appie *iv_appie_assocreq;
428 struct ieee80211_appie *iv_appie_assocresp;
429 struct ieee80211_appie *iv_appie_wpa;
430 uint8_t *iv_wpa_ie;
431 uint8_t *iv_rsn_ie;
432 uint16_t iv_max_keyix; /* max h/w key index */
433 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
434 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
435 int (*iv_key_alloc)(struct ieee80211vap *,
436 struct ieee80211_key *,
437 ieee80211_keyix *, ieee80211_keyix *);
438 int (*iv_key_delete)(struct ieee80211vap *,
439 const struct ieee80211_key *);
440 int (*iv_key_set)(struct ieee80211vap *,
441 const struct ieee80211_key *,
442 const uint8_t mac[IEEE80211_ADDR_LEN]);
443 void (*iv_key_update_begin)(struct ieee80211vap *);
444 void (*iv_key_update_end)(struct ieee80211vap *);
445
446 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
447 void *iv_ec; /* private auth state */
448
449 const struct ieee80211_aclator *iv_acl; /* acl glue */
450 void *iv_as; /* private aclator state */
451
452 const struct ieee80211_ratectl *iv_rate;
453 void *iv_rs; /* private ratectl state */
454
455 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
456 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
457 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
458
459 /* operate-mode detach hook */
460 void (*iv_opdetach)(struct ieee80211vap *);
461 /* receive processing */
462 int (*iv_input)(struct ieee80211_node *,
463 struct mbuf *, int, int);
464 void (*iv_recv_mgmt)(struct ieee80211_node *,
465 struct mbuf *, int, int, int);
466 void (*iv_recv_ctl)(struct ieee80211_node *,
467 struct mbuf *, int);
468 void (*iv_deliver_data)(struct ieee80211vap *,
469 struct ieee80211_node *, struct mbuf *);
470#if 0
471 /* send processing */
472 int (*iv_send_mgmt)(struct ieee80211_node *,
473 int, int);
474#endif
475 /* beacon miss processing */
476 void (*iv_bmiss)(struct ieee80211vap *);
477 /* reset device state after 802.11 parameter/state change */
478 int (*iv_reset)(struct ieee80211vap *, u_long);
479 /* [schedule] beacon frame update */
480 void (*iv_update_beacon)(struct ieee80211vap *, int);
481 /* power save handling */
482 void (*iv_update_ps)(struct ieee80211vap *, int);
483 int (*iv_set_tim)(struct ieee80211_node *, int);
484 /* state machine processing */
485 int (*iv_newstate)(struct ieee80211vap *,
486 enum ieee80211_state, int);
487 /* 802.3 output method for raw frame xmit */
488 int (*iv_output)(struct ifnet *, struct mbuf *,
489 struct sockaddr *, struct route *);
490 uint64_t iv_spare[6];
491};
492MALLOC_DECLARE(M_80211_VAP);
493
494#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
495#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
496
497/* ic_flags/iv_flags */
498#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
499#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
500#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
501#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
502/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
503#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
504#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
505#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
506#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
507#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
508/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
509#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
510#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
511#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
512#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
513#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
514#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
515#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
516#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
517#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
518#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
519#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
520#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
521#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
522#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
523#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
524#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
525#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
526#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
527#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
528#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
529#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
530#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
531#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
532
533#define IEEE80211_F_BITS \
534 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
535 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
536 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
537 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
538 "\37DOTH\40DWDS"
539
540/* Atheros protocol-specific flags */
541#define IEEE80211_F_ATHEROS \
542 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
543/* Check if an Atheros capability was negotiated for use */
544#define IEEE80211_ATH_CAP(vap, ni, bit) \
545 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
546
547/* ic_flags_ext/iv_flags_ext */
548#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
549#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
550/* 0x00000006 reserved */
551#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
552#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
553#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
554#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
555#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
556#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
557#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
558#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
559#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
560#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
561#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
562#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
563#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
564/* NB: immutable: should be set only when creating a vap */
565#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
566#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
567#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
568
569#define IEEE80211_FEXT_BITS \
570 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
571 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
572 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
573
574/* ic_flags_ht/iv_flags_ht */
575#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
576#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
577#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
578#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
579#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
580#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
581#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
582#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
583#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
584#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
585#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
586#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
587#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
588#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
589#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
590
591#define IEEE80211_FHT_BITS \
592 "\20\1NONHT_PR" \
593 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
594 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
595 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
596
597#define IEEE80211_FVEN_BITS "\20"
598
599/* ic_caps/iv_caps: device driver capabilities */
600/* 0x2e available */
601#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
602#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
603#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
604#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
605#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
606#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
607#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
608#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
609#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
610#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
611#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
612#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
613#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
614#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
615#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
616/* 0x7c0000 available */
617#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
618#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
619#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
620#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
621#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
622#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
623/* 0x10000000 reserved */
624#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
625#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
626#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
627/* XXX protection/barker? */
628
629#define IEEE80211_C_OPMODE \
630 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
631 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
632 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
633
634#define IEEE80211_C_BITS \
635 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
636 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
637 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
638 "\37TXFRAG\40TDMA"
639
640/*
641 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
642 *
643 * NB: the low 16-bits are the 802.11 definitions, the upper
644 * 16-bits are used to define s/w/driver capabilities.
645 */
646#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
647#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
648/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
649#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
650#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
651#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
652#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
653#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
654#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
655#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
656
657#define IEEE80211_C_HTCAP_BITS \
658 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
659 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
660
661void ieee80211_ifattach(struct ieee80211com *,
662 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
663void ieee80211_ifdetach(struct ieee80211com *);
664int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
665 const char name[IFNAMSIZ], int unit,
666 enum ieee80211_opmode opmode, int flags,
667 const uint8_t bssid[IEEE80211_ADDR_LEN],
668 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
669int ieee80211_vap_attach(struct ieee80211vap *,
670 ifm_change_cb_t, ifm_stat_cb_t);
671void ieee80211_vap_detach(struct ieee80211vap *);
672const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
673 const struct ieee80211_channel *);
674void ieee80211_announce(struct ieee80211com *);
675void ieee80211_announce_channels(struct ieee80211com *);
676void ieee80211_drain(struct ieee80211com *);
677void ieee80211_media_init(struct ieee80211com *);
678struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
679int ieee80211_media_change(struct ifnet *);
680void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
681int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
682int ieee80211_rate2media(struct ieee80211com *, int,
683 enum ieee80211_phymode);
684int ieee80211_media2rate(int);
685int ieee80211_mhz2ieee(u_int, u_int);
686int ieee80211_chan2ieee(struct ieee80211com *,
687 const struct ieee80211_channel *);
688u_int ieee80211_ieee2mhz(u_int, u_int);
689struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
690 int freq, int flags);
691struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
692 int ieee, int flags);
693int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
694enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
695uint32_t ieee80211_mac_hash(const struct ieee80211com *,
696 const uint8_t addr[IEEE80211_ADDR_LEN]);
697
698void ieee80211_radiotap_attach(struct ieee80211com *,
699 struct ieee80211_radiotap_header *th, int tlen,
700 uint32_t tx_radiotap,
701 struct ieee80211_radiotap_header *rh, int rlen,
702 uint32_t rx_radiotap);
703void ieee80211_radiotap_detach(struct ieee80211com *);
704void ieee80211_radiotap_vattach(struct ieee80211vap *);
705void ieee80211_radiotap_vdetach(struct ieee80211vap *);
706void ieee80211_radiotap_chan_change(struct ieee80211com *);
707void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
708void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
709void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
710
711static __inline int
712ieee80211_radiotap_active(const struct ieee80211com *ic)
713{
714 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
715}
716
717static __inline int
718ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
719{
720 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
721 vap->iv_ic->ic_montaps != 0;
722}
723
724/*
725 * Enqueue a task on the state thread.
726 */
727static __inline void
728ieee80211_runtask(struct ieee80211com *ic, struct task *task)
729{
730 taskqueue_enqueue(ic->ic_tq, task);
731}
732
733/*
734 * Wait for a queued task to complete.
735 */
736static __inline void
737ieee80211_draintask(struct ieee80211com *ic, struct task *task)
738{
739 taskqueue_drain(ic->ic_tq, task);
740}
741
742/*
743 * Key update synchronization methods. XXX should not be visible.
744 */
745static __inline void
746ieee80211_key_update_begin(struct ieee80211vap *vap)
747{
748 vap->iv_key_update_begin(vap);
749}
750static __inline void
751ieee80211_key_update_end(struct ieee80211vap *vap)
752{
753 vap->iv_key_update_end(vap);
754}
755
756/*
757 * XXX these need to be here for IEEE80211_F_DATAPAD
758 */
759
760/*
761 * Return the space occupied by the 802.11 header and any
762 * padding required by the driver. This works for a
763 * management or data frame.
764 */
765static __inline int
766ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
767{
768 int size = ieee80211_hdrsize(data);
769 if (ic->ic_flags & IEEE80211_F_DATAPAD)
770 size = roundup(size, sizeof(uint32_t));
771 return size;
772}
773
774/*
775 * Like ieee80211_hdrspace, but handles any type of frame.
776 */
777static __inline int
778ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
779{
780 int size = ieee80211_anyhdrsize(data);
781 if (ic->ic_flags & IEEE80211_F_DATAPAD)
782 size = roundup(size, sizeof(uint32_t));
783 return size;
784}
785
786/*
787 * Notify a vap that beacon state has been updated.
788 */
789static __inline void
790ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
791{
792 if (vap->iv_state == IEEE80211_S_RUN)
793 vap->iv_update_beacon(vap, what);
794}
795
796/*
797 * Calculate HT channel promotion flags for a channel.
798 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
799 */
800static __inline int
801ieee80211_htchanflags(const struct ieee80211_channel *c)
802{
803 return IEEE80211_IS_CHAN_HT40(c) ?
804 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
805 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
806}
807
808/*
809 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
810 *
811 * The intent is that any problem in the net80211 layer can be
812 * diagnosed by inspecting the statistics (dumped by the wlanstats
813 * program) and/or the msgs generated by net80211. Messages are
814 * broken into functional classes and can be controlled with the
815 * wlandebug program. Certain of these msg groups are for facilities
816 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
817 */
818#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
819#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
820#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
821#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
822#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
823#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
824#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
825#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
826#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
827#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
828#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
829#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
830#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
831#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
832#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
833#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
834#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
835#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
836#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
837#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
838#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
839#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
840#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
841#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
842#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
843#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
844#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
845#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
846#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
847#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
848#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
849
850#define IEEE80211_MSG_ANY 0xffffffff /* anything */
851
852#define IEEE80211_MSG_BITS \
853 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
854 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
855 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
856 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
857
858#ifdef IEEE80211_DEBUG
859#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
860#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
861 if (ieee80211_msg(_vap, _m)) \
862 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
863} while (0)
864#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
865 if (ieee80211_msg(_vap, _m)) \
866 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
867} while (0)
868#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
869 if (ieee80211_msg(_vap, _m)) \
870 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
871} while (0)
872#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
873 if (ieee80211_msg(_vap, _m)) \
874 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
875} while (0)
876void ieee80211_note(const struct ieee80211vap *, const char *, ...);
877void ieee80211_note_mac(const struct ieee80211vap *,
878 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
879void ieee80211_note_frame(const struct ieee80211vap *,
880 const struct ieee80211_frame *, const char *, ...);
881#define ieee80211_msg_debug(_vap) \
882 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
883#define ieee80211_msg_dumppkts(_vap) \
884 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
885#define ieee80211_msg_input(_vap) \
886 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
887#define ieee80211_msg_radius(_vap) \
888 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
889#define ieee80211_msg_dumpradius(_vap) \
890 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
891#define ieee80211_msg_dumpradkeys(_vap) \
892 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
893#define ieee80211_msg_scan(_vap) \
894 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
895#define ieee80211_msg_assoc(_vap) \
896 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
897
898/*
899 * Emit a debug message about discarding a frame or information
900 * element. One format is for extracting the mac address from
901 * the frame header; the other is for when a header is not
902 * available or otherwise appropriate.
903 */
904#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
905 if ((_vap)->iv_debug & (_m)) \
906 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
907} while (0)
908#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
909 if ((_vap)->iv_debug & (_m)) \
910 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
911} while (0)
912#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
913 if ((_vap)->iv_debug & (_m)) \
914 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
915} while (0)
916
917void ieee80211_discard_frame(const struct ieee80211vap *,
918 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
919void ieee80211_discard_ie(const struct ieee80211vap *,
920 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
921void ieee80211_discard_mac(const struct ieee80211vap *,
922 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
923 const char *fmt, ...);
924#else
925#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
926#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
927#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
928#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
929#define ieee80211_msg_dumppkts(_vap) 0
930#define ieee80211_msg(_vap, _m) 0
931
932#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
933#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
934#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
935#endif
936
937#endif /* _NET80211_IEEE80211_VAR_H_ */