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ieee80211_var.h (249925) ieee80211_var.h (251766)
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 *
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 249925 2013-04-26 12:50:32Z glebius $
26 * $FreeBSD: head/sys/net80211/ieee80211_var.h 251766 2013-06-14 23:04:31Z eadler $
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
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?) */
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 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
122 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
123 int ic_headroom; /* driver tx headroom needs */
124 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
125 enum ieee80211_opmode ic_opmode; /* operation mode */
126 struct ifmedia ic_media; /* interface media config */
127 struct callout ic_inact; /* inactivity processing */
128 struct taskqueue *ic_tq; /* deferred state thread */
129 struct task ic_parent_task; /* deferred parent processing */
130 struct task ic_promisc_task;/* deferred promisc update */
131 struct task ic_mcast_task; /* deferred mcast update */
132 struct task ic_chan_task; /* deferred channel change */
133 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
134 struct task ic_chw_task; /* deferred HT CHW update */
135
136 uint32_t ic_flags; /* state flags */
137 uint32_t ic_flags_ext; /* extended state flags */
138 uint32_t ic_flags_ht; /* HT state flags */
139 uint32_t ic_flags_ven; /* vendor state flags */
140 uint32_t ic_caps; /* capabilities */
141 uint32_t ic_htcaps; /* HT capabilities */
142 uint32_t ic_htextcaps; /* HT extended capabilities */
143 uint32_t ic_cryptocaps; /* crypto capabilities */
144 uint8_t ic_modecaps[2]; /* set of mode capabilities */
145 uint8_t ic_promisc; /* vap's needing promisc mode */
146 uint8_t ic_allmulti; /* vap's needing all multicast*/
147 uint8_t ic_nrunning; /* vap's marked running */
148 uint8_t ic_curmode; /* current mode */
149 uint16_t ic_bintval; /* beacon interval */
150 uint16_t ic_lintval; /* listen interval */
151 uint16_t ic_holdover; /* PM hold over duration */
152 uint16_t ic_txpowlimit; /* global tx power limit */
153 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
154
155 /*
156 * Channel state:
157 *
158 * ic_channels is the set of available channels for the device;
159 * it is setup by the driver
160 * ic_nchans is the number of valid entries in ic_channels
161 * ic_chan_avail is a bit vector of these channels used to check
162 * whether a channel is available w/o searching the channel table.
163 * ic_chan_active is a (potentially) constrained subset of
164 * ic_chan_avail that reflects any mode setting or user-specified
165 * limit on the set of channels to use/scan
166 * ic_curchan is the current channel the device is set to; it may
167 * be different from ic_bsschan when we are off-channel scanning
168 * or otherwise doing background work
169 * ic_bsschan is the channel selected for operation; it may
170 * be undefined (IEEE80211_CHAN_ANYC)
171 * ic_prevchan is a cached ``previous channel'' used to optimize
172 * lookups when switching back+forth between two channels
173 * (e.g. for dynamic turbo)
174 */
175 int ic_nchans; /* # entries in ic_channels */
176 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
177 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
178 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
179 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
180 struct ieee80211_channel *ic_curchan; /* current channel */
181 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
182 struct ieee80211_channel *ic_bsschan; /* bss channel */
183 struct ieee80211_channel *ic_prevchan; /* previous channel */
184 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
185 struct ieee80211_appie *ic_countryie; /* calculated country ie */
186 struct ieee80211_channel *ic_countryie_chan;
187
188 /* 802.11h/DFS state */
189 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
190 short ic_csa_mode; /* mode for doing CSA */
191 short ic_csa_count; /* count for doing CSA */
192 struct ieee80211_dfs_state ic_dfs; /* DFS state */
193
194 struct ieee80211_scan_state *ic_scan; /* scan state */
195 int ic_lastdata; /* time of last data frame */
196 int ic_lastscan; /* time last scan completed */
197
198 /* NB: this is the union of all vap stations/neighbors */
199 int ic_max_keyix; /* max h/w key index */
200 struct ieee80211_node_table ic_sta; /* stations/neighbors */
201 struct ieee80211_ageq ic_stageq; /* frame staging queue */
202 uint32_t ic_hash_key; /* random key for mac hash */
203
204 /* XXX multi-bss: split out common/vap parts */
205 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
206
207 /* XXX multi-bss: can per-vap be done/make sense? */
208 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
209 uint16_t ic_nonerpsta; /* # non-ERP stations */
210 uint16_t ic_longslotsta; /* # long slot time stations */
211 uint16_t ic_sta_assoc; /* stations associated */
212 uint16_t ic_ht_sta_assoc;/* HT stations associated */
213 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
214 uint8_t ic_curhtprotmode;/* HTINFO bss state */
215 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
216 int ic_lastnonerp; /* last time non-ERP sta noted*/
217 int ic_lastnonht; /* last time non-HT sta noted */
218 uint8_t ic_rxstream; /* # RX streams */
219 uint8_t ic_txstream; /* # TX streams */
220
221 /* optional state for Atheros SuperG protocol extensions */
222 struct ieee80211_superg *ic_superg;
223
224 /* radiotap handling */
225 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
226 void *ic_txchan; /* channel state in ic_th */
227 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
228 void *ic_rxchan; /* channel state in ic_rh */
229 int ic_montaps; /* active monitor mode taps */
230
231 /* virtual ap create/delete */
232 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
233 const char [IFNAMSIZ], int,
234 enum ieee80211_opmode, int,
235 const uint8_t [IEEE80211_ADDR_LEN],
236 const uint8_t [IEEE80211_ADDR_LEN]);
237 void (*ic_vap_delete)(struct ieee80211vap *);
238 /* operating mode attachment */
239 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
240 /* return hardware/radio capabilities */
241 void (*ic_getradiocaps)(struct ieee80211com *,
242 int, int *, struct ieee80211_channel []);
243 /* check and/or prepare regdomain state change */
244 int (*ic_setregdomain)(struct ieee80211com *,
245 struct ieee80211_regdomain *,
246 int, struct ieee80211_channel []);
247
248 int (*ic_set_quiet)(struct ieee80211_node *,
249 u_int8_t *quiet_elm);
250
251 /* send/recv 802.11 management frame */
252 int (*ic_send_mgmt)(struct ieee80211_node *,
253 int, int);
254 /* send raw 802.11 frame */
255 int (*ic_raw_xmit)(struct ieee80211_node *,
256 struct mbuf *,
257 const struct ieee80211_bpf_params *);
258 /* update device state for 802.11 slot time change */
259 void (*ic_updateslot)(struct ifnet *);
260 /* handle multicast state changes */
261 void (*ic_update_mcast)(struct ifnet *);
262 /* handle promiscuous mode changes */
263 void (*ic_update_promisc)(struct ifnet *);
264 /* new station association callback/notification */
265 void (*ic_newassoc)(struct ieee80211_node *, int);
266 /* TDMA update notification */
267 void (*ic_tdma_update)(struct ieee80211_node *,
268 const struct ieee80211_tdma_param *, int);
269 /* node state management */
270 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
271 const uint8_t [IEEE80211_ADDR_LEN]);
272 void (*ic_node_free)(struct ieee80211_node *);
273 void (*ic_node_cleanup)(struct ieee80211_node *);
274 void (*ic_node_age)(struct ieee80211_node *);
275 void (*ic_node_drain)(struct ieee80211_node *);
276 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
277 void (*ic_node_getsignal)(const struct ieee80211_node*,
278 int8_t *, int8_t *);
279 void (*ic_node_getmimoinfo)(
280 const struct ieee80211_node*,
281 struct ieee80211_mimo_info *);
282 /* scanning support */
283 void (*ic_scan_start)(struct ieee80211com *);
284 void (*ic_scan_end)(struct ieee80211com *);
285 void (*ic_set_channel)(struct ieee80211com *);
286 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
287 unsigned long);
288 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
289
290 /*
291 * 802.11n ADDBA support. A simple/generic implementation
292 * of A-MPDU tx aggregation is provided; the driver may
293 * override these methods to provide their own support.
294 * A-MPDU rx re-ordering happens automatically if the
295 * driver passes out-of-order frames to ieee80211_input
296 * from an assocated HT station.
297 */
298 int (*ic_recv_action)(struct ieee80211_node *,
299 const struct ieee80211_frame *,
300 const uint8_t *frm, const uint8_t *efrm);
301 int (*ic_send_action)(struct ieee80211_node *,
302 int category, int action, void *);
303 /* check if A-MPDU should be enabled this station+ac */
304 int (*ic_ampdu_enable)(struct ieee80211_node *,
305 struct ieee80211_tx_ampdu *);
306 /* start/stop doing A-MPDU tx aggregation for a station */
307 int (*ic_addba_request)(struct ieee80211_node *,
308 struct ieee80211_tx_ampdu *,
309 int dialogtoken, int baparamset,
310 int batimeout);
311 int (*ic_addba_response)(struct ieee80211_node *,
312 struct ieee80211_tx_ampdu *,
313 int status, int baparamset, int batimeout);
314 void (*ic_addba_stop)(struct ieee80211_node *,
315 struct ieee80211_tx_ampdu *);
316 void (*ic_addba_response_timeout)(struct ieee80211_node *,
317 struct ieee80211_tx_ampdu *);
318 /* BAR response received */
319 void (*ic_bar_response)(struct ieee80211_node *,
320 struct ieee80211_tx_ampdu *, int status);
321 /* start/stop doing A-MPDU rx processing for a station */
322 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
323 struct ieee80211_rx_ampdu *, int baparamset,
324 int batimeout, int baseqctl);
325 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
326 struct ieee80211_rx_ampdu *);
327
328 /* The channel width has changed (20<->2040) */
329 void (*ic_update_chw)(struct ieee80211com *);
330
331 uint64_t ic_spare[7];
332};
333
334struct ieee80211_aclator;
335struct ieee80211_tdma_state;
336struct ieee80211_mesh_state;
337struct ieee80211_hwmp_state;
338
339struct ieee80211vap {
340 struct ifmedia iv_media; /* interface media config */
341 struct ifnet *iv_ifp; /* associated device */
342 struct bpf_if *iv_rawbpf; /* packet filter structure */
343 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
344 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
345
346 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
347 struct ieee80211com *iv_ic; /* back ptr to common state */
348 uint32_t iv_debug; /* debug msg flags */
349 struct ieee80211_stats iv_stats; /* statistics */
350
351 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
352 uint32_t iv_flags; /* state flags */
353 uint32_t iv_flags_ext; /* extended state flags */
354 uint32_t iv_flags_ht; /* HT state flags */
355 uint32_t iv_flags_ven; /* vendor state flags */
356 uint32_t iv_caps; /* capabilities */
357 uint32_t iv_htcaps; /* HT capabilities */
358 uint32_t iv_htextcaps; /* HT extended capabilities */
359 enum ieee80211_opmode iv_opmode; /* operation mode */
360 enum ieee80211_state iv_state; /* state machine state */
361 enum ieee80211_state iv_nstate; /* pending state */
362 int iv_nstate_arg; /* pending state arg */
363 struct task iv_nstate_task; /* deferred state processing */
364 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
365 struct callout iv_mgtsend; /* mgmt frame response timer */
366 /* inactivity timer settings */
367 int iv_inact_init; /* setting for new station */
368 int iv_inact_auth; /* auth but not assoc setting */
369 int iv_inact_run; /* authorized setting */
370 int iv_inact_probe; /* inactive probe time */
371
372 int iv_des_nssid; /* # desired ssids */
373 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
374 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
375 struct ieee80211_channel *iv_des_chan; /* desired channel */
376 uint16_t iv_des_mode; /* desired mode */
377 int iv_nicknamelen; /* XXX junk */
378 uint8_t iv_nickname[IEEE80211_NWID_LEN];
379 u_int iv_bgscanidle; /* bg scan idle threshold */
380 u_int iv_bgscanintvl; /* bg scan min interval */
381 u_int iv_scanvalid; /* scan cache valid threshold */
382 u_int iv_scanreq_duration;
383 u_int iv_scanreq_mindwell;
384 u_int iv_scanreq_maxdwell;
385 uint16_t iv_scanreq_flags;/* held scan request params */
386 uint8_t iv_scanreq_nssid;
387 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
388 /* sta-mode roaming state */
389 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
390 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
391
392 uint8_t iv_bmissthreshold;
393 uint8_t iv_bmiss_count; /* current beacon miss count */
394 int iv_bmiss_max; /* max bmiss before scan */
395 uint16_t iv_swbmiss_count;/* beacons in last period */
396 uint16_t iv_swbmiss_period;/* s/w bmiss period */
397 struct callout iv_swbmiss; /* s/w beacon miss timer */
398
399 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
400 int iv_ampdu_density;/* A-MPDU density */
401 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
402 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
403 u_int iv_ampdu_mintraffic[WME_NUM_AC];
404
405 uint32_t *iv_aid_bitmap; /* association id map */
406 uint16_t iv_max_aid;
407 uint16_t iv_sta_assoc; /* stations associated */
408 uint16_t iv_ps_sta; /* stations in power save */
409 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
410 uint16_t iv_txseq; /* mcast xmit seq# space */
411 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
412 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
413 uint8_t iv_dtim_period; /* DTIM period */
414 uint8_t iv_dtim_count; /* DTIM count from last bcn */
415 /* set/unset aid pwrsav state */
416 uint8_t iv_quiet; /* Quiet Element */
417 uint8_t iv_quiet_count; /* constant count for Quiet Element */
418 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
419 uint8_t iv_quiet_period; /* period for Quiet Element */
420 uint16_t iv_quiet_duration; /* duration for Quiet Element */
421 uint16_t iv_quiet_offset; /* offset for Quiet Element */
422 int iv_csa_count; /* count for doing CSA */
423
424 struct ieee80211_node *iv_bss; /* information for this node */
425 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
426 uint16_t iv_rtsthreshold;
427 uint16_t iv_fragthreshold;
428 int iv_inact_timer; /* inactivity timer wait */
429 /* application-specified IE's to attach to mgt frames */
430 struct ieee80211_appie *iv_appie_beacon;
431 struct ieee80211_appie *iv_appie_probereq;
432 struct ieee80211_appie *iv_appie_proberesp;
433 struct ieee80211_appie *iv_appie_assocreq;
434 struct ieee80211_appie *iv_appie_assocresp;
435 struct ieee80211_appie *iv_appie_wpa;
436 uint8_t *iv_wpa_ie;
437 uint8_t *iv_rsn_ie;
438 uint16_t iv_max_keyix; /* max h/w key index */
439 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
440 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
441 int (*iv_key_alloc)(struct ieee80211vap *,
442 struct ieee80211_key *,
443 ieee80211_keyix *, ieee80211_keyix *);
444 int (*iv_key_delete)(struct ieee80211vap *,
445 const struct ieee80211_key *);
446 int (*iv_key_set)(struct ieee80211vap *,
447 const struct ieee80211_key *,
448 const uint8_t mac[IEEE80211_ADDR_LEN]);
449 void (*iv_key_update_begin)(struct ieee80211vap *);
450 void (*iv_key_update_end)(struct ieee80211vap *);
451
452 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
453 void *iv_ec; /* private auth state */
454
455 const struct ieee80211_aclator *iv_acl; /* acl glue */
456 void *iv_as; /* private aclator state */
457
458 const struct ieee80211_ratectl *iv_rate;
459 void *iv_rs; /* private ratectl state */
460
461 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
462 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
463 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
464
465 /* operate-mode detach hook */
466 void (*iv_opdetach)(struct ieee80211vap *);
467 /* receive processing */
468 int (*iv_input)(struct ieee80211_node *,
469 struct mbuf *, int, int);
470 void (*iv_recv_mgmt)(struct ieee80211_node *,
471 struct mbuf *, int, int, int);
472 void (*iv_recv_ctl)(struct ieee80211_node *,
473 struct mbuf *, int);
474 void (*iv_deliver_data)(struct ieee80211vap *,
475 struct ieee80211_node *, struct mbuf *);
476#if 0
477 /* send processing */
478 int (*iv_send_mgmt)(struct ieee80211_node *,
479 int, int);
480#endif
481 /* beacon miss processing */
482 void (*iv_bmiss)(struct ieee80211vap *);
483 /* reset device state after 802.11 parameter/state change */
484 int (*iv_reset)(struct ieee80211vap *, u_long);
485 /* [schedule] beacon frame update */
486 void (*iv_update_beacon)(struct ieee80211vap *, int);
487 /* power save handling */
488 void (*iv_update_ps)(struct ieee80211vap *, int);
489 int (*iv_set_tim)(struct ieee80211_node *, int);
490 void (*iv_node_ps)(struct ieee80211_node *, int);
491 void (*iv_sta_ps)(struct ieee80211vap *, int);
492 void (*iv_recv_pspoll)(struct ieee80211_node *,
493 struct mbuf *);
494
495 /* state machine processing */
496 int (*iv_newstate)(struct ieee80211vap *,
497 enum ieee80211_state, int);
498 /* 802.3 output method for raw frame xmit */
499 int (*iv_output)(struct ifnet *, struct mbuf *,
500 const struct sockaddr *, struct route *);
501 uint64_t iv_spare[6];
502};
503MALLOC_DECLARE(M_80211_VAP);
504
505#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
506#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
507
508/* ic_flags/iv_flags */
509#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
510#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
511#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
512#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
513/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
514#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
515#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
516#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
517#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
518#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
519/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
520#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
521#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
522#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
523#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
524#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
525#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
526#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
527#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
528#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
529#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
530#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
531#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
532#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
533#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
534#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
535#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
536#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
537#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
538#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
539#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
540#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
541#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
542#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
543
544#define IEEE80211_F_BITS \
545 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
546 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
547 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
548 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
549 "\37DOTH\40DWDS"
550
551/* Atheros protocol-specific flags */
552#define IEEE80211_F_ATHEROS \
553 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
554/* Check if an Atheros capability was negotiated for use */
555#define IEEE80211_ATH_CAP(vap, ni, bit) \
556 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
557
558/* ic_flags_ext/iv_flags_ext */
559#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
560#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
561/* 0x00000006 reserved */
562#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
563#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
564#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
565#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
566#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
567#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
568#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
569#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
570#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
571#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
572#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
573#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
574#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
575/* NB: immutable: should be set only when creating a vap */
576#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
577#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
578#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
579
580#define IEEE80211_FEXT_BITS \
581 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
582 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
583 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
584
585/* ic_flags_ht/iv_flags_ht */
586#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
587#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
588#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
589#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
590#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
591#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
592#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
593#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
594#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
595#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
596#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
597#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
598#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
599#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
600#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
601
602#define IEEE80211_FHT_BITS \
603 "\20\1NONHT_PR" \
604 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
605 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
606 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
607
608#define IEEE80211_FVEN_BITS "\20"
609
610/* ic_caps/iv_caps: device driver capabilities */
611/* 0x2e available */
612#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
613#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
614#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
615#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
616#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
617#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
618#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
619#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
620#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
621#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
622#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
623#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
624#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
625#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
626#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
627/* 0x7c0000 available */
628#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
629#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
630#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
631#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
632#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
633#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
634/* 0x10000000 reserved */
635#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
636#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
637#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
638/* XXX protection/barker? */
639
640#define IEEE80211_C_OPMODE \
641 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
642 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
643 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
644
645#define IEEE80211_C_BITS \
646 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
647 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
648 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
649 "\37TXFRAG\40TDMA"
650
651/*
652 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
653 *
654 * NB: the low 16-bits are the 802.11 definitions, the upper
655 * 16-bits are used to define s/w/driver capabilities.
656 */
657#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
658#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
659/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
660#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
661#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
662#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
663#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
664#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
665#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
666#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
667
668#define IEEE80211_C_HTCAP_BITS \
669 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
670 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
671
672void ieee80211_ifattach(struct ieee80211com *,
673 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
674void ieee80211_ifdetach(struct ieee80211com *);
675int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
676 const char name[IFNAMSIZ], int unit,
677 enum ieee80211_opmode opmode, int flags,
678 const uint8_t bssid[IEEE80211_ADDR_LEN],
679 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
680int ieee80211_vap_attach(struct ieee80211vap *,
681 ifm_change_cb_t, ifm_stat_cb_t);
682void ieee80211_vap_detach(struct ieee80211vap *);
683const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
684 const struct ieee80211_channel *);
685void ieee80211_announce(struct ieee80211com *);
686void ieee80211_announce_channels(struct ieee80211com *);
687void ieee80211_drain(struct ieee80211com *);
688void ieee80211_media_init(struct ieee80211com *);
689struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
690int ieee80211_media_change(struct ifnet *);
691void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
692int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
693int ieee80211_rate2media(struct ieee80211com *, int,
694 enum ieee80211_phymode);
695int ieee80211_media2rate(int);
696int ieee80211_mhz2ieee(u_int, u_int);
697int ieee80211_chan2ieee(struct ieee80211com *,
698 const struct ieee80211_channel *);
699u_int ieee80211_ieee2mhz(u_int, u_int);
700struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
701 int freq, int flags);
702struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
703 int ieee, int flags);
704int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
705enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
706uint32_t ieee80211_mac_hash(const struct ieee80211com *,
707 const uint8_t addr[IEEE80211_ADDR_LEN]);
708
709void ieee80211_radiotap_attach(struct ieee80211com *,
710 struct ieee80211_radiotap_header *th, int tlen,
711 uint32_t tx_radiotap,
712 struct ieee80211_radiotap_header *rh, int rlen,
713 uint32_t rx_radiotap);
714void ieee80211_radiotap_attachv(struct ieee80211com *,
715 struct ieee80211_radiotap_header *th,
716 int tlen, int n_tx_v, uint32_t tx_radiotap,
717 struct ieee80211_radiotap_header *rh,
718 int rlen, int n_rx_v, uint32_t rx_radiotap);
719void ieee80211_radiotap_detach(struct ieee80211com *);
720void ieee80211_radiotap_vattach(struct ieee80211vap *);
721void ieee80211_radiotap_vdetach(struct ieee80211vap *);
722void ieee80211_radiotap_chan_change(struct ieee80211com *);
723void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
724void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
725void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
726
727static __inline int
728ieee80211_radiotap_active(const struct ieee80211com *ic)
729{
730 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
731}
732
733static __inline int
734ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
735{
736 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
737 vap->iv_ic->ic_montaps != 0;
738}
739
740/*
741 * Enqueue a task on the state thread.
742 */
743static __inline void
744ieee80211_runtask(struct ieee80211com *ic, struct task *task)
745{
746 taskqueue_enqueue(ic->ic_tq, task);
747}
748
749/*
750 * Wait for a queued task to complete.
751 */
752static __inline void
753ieee80211_draintask(struct ieee80211com *ic, struct task *task)
754{
755 taskqueue_drain(ic->ic_tq, task);
756}
757
758/*
759 * Key update synchronization methods. XXX should not be visible.
760 */
761static __inline void
762ieee80211_key_update_begin(struct ieee80211vap *vap)
763{
764 vap->iv_key_update_begin(vap);
765}
766static __inline void
767ieee80211_key_update_end(struct ieee80211vap *vap)
768{
769 vap->iv_key_update_end(vap);
770}
771
772/*
773 * XXX these need to be here for IEEE80211_F_DATAPAD
774 */
775
776/*
777 * Return the space occupied by the 802.11 header and any
778 * padding required by the driver. This works for a
779 * management or data frame.
780 */
781static __inline int
782ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
783{
784 int size = ieee80211_hdrsize(data);
785 if (ic->ic_flags & IEEE80211_F_DATAPAD)
786 size = roundup(size, sizeof(uint32_t));
787 return size;
788}
789
790/*
791 * Like ieee80211_hdrspace, but handles any type of frame.
792 */
793static __inline int
794ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
795{
796 int size = ieee80211_anyhdrsize(data);
797 if (ic->ic_flags & IEEE80211_F_DATAPAD)
798 size = roundup(size, sizeof(uint32_t));
799 return size;
800}
801
802/*
803 * Notify a vap that beacon state has been updated.
804 */
805static __inline void
806ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
807{
808 if (vap->iv_state == IEEE80211_S_RUN)
809 vap->iv_update_beacon(vap, what);
810}
811
812/*
813 * Calculate HT channel promotion flags for a channel.
814 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
815 */
816static __inline int
817ieee80211_htchanflags(const struct ieee80211_channel *c)
818{
819 return IEEE80211_IS_CHAN_HT40(c) ?
820 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
821 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
822}
823
824/*
825 * Fetch the current TX power (cap) for the given node.
826 *
827 * This includes the node and ic/vap TX power limit as needed,
828 * but it doesn't take into account any per-rate limit.
829 */
830static __inline uint16_t
831ieee80211_get_node_txpower(struct ieee80211_node *ni)
832{
833 struct ieee80211com *ic = ni->ni_ic;
834 uint16_t txpower;
835
836 txpower = ni->ni_txpower;
837 txpower = MIN(txpower, ic->ic_txpowlimit);
838 if (ic->ic_curchan != NULL) {
839 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
840 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
841 }
842
843 return (txpower);
844}
845
846/*
847 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
848 *
849 * The intent is that any problem in the net80211 layer can be
850 * diagnosed by inspecting the statistics (dumped by the wlanstats
851 * program) and/or the msgs generated by net80211. Messages are
852 * broken into functional classes and can be controlled with the
853 * wlandebug program. Certain of these msg groups are for facilities
854 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
855 */
856#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
857#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
858#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
859#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
860#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
861#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
862#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
863#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
864#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
865#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
866#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
867#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
868#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
869#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
870#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
871#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
872#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
873#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
874#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
875#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
876#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
877#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
878#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
879#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
880#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
881#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
882#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
883#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
884#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
885#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
886#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
887
888#define IEEE80211_MSG_ANY 0xffffffff /* anything */
889
890#define IEEE80211_MSG_BITS \
891 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
892 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
893 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
894 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
895
896#ifdef IEEE80211_DEBUG
897#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
898#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
899 if (ieee80211_msg(_vap, _m)) \
900 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
901} while (0)
902#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
903 if (ieee80211_msg(_vap, _m)) \
904 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
905} while (0)
906#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
907 if (ieee80211_msg(_vap, _m)) \
908 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
909} while (0)
910#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
911 if (ieee80211_msg(_vap, _m)) \
912 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
913} while (0)
914void ieee80211_note(const struct ieee80211vap *, const char *, ...);
915void ieee80211_note_mac(const struct ieee80211vap *,
916 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
917void ieee80211_note_frame(const struct ieee80211vap *,
918 const struct ieee80211_frame *, const char *, ...);
919#define ieee80211_msg_debug(_vap) \
920 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
921#define ieee80211_msg_dumppkts(_vap) \
922 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
923#define ieee80211_msg_input(_vap) \
924 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
925#define ieee80211_msg_radius(_vap) \
926 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
927#define ieee80211_msg_dumpradius(_vap) \
928 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
929#define ieee80211_msg_dumpradkeys(_vap) \
930 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
931#define ieee80211_msg_scan(_vap) \
932 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
933#define ieee80211_msg_assoc(_vap) \
934 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
935
936/*
937 * Emit a debug message about discarding a frame or information
938 * element. One format is for extracting the mac address from
939 * the frame header; the other is for when a header is not
940 * available or otherwise appropriate.
941 */
942#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
943 if ((_vap)->iv_debug & (_m)) \
944 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
945} while (0)
946#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
947 if ((_vap)->iv_debug & (_m)) \
948 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
949} while (0)
950#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
951 if ((_vap)->iv_debug & (_m)) \
952 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
953} while (0)
954
955void ieee80211_discard_frame(const struct ieee80211vap *,
956 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
957void ieee80211_discard_ie(const struct ieee80211vap *,
958 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
959void ieee80211_discard_mac(const struct ieee80211vap *,
960 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
961 const char *fmt, ...);
962#else
963#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
964#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
965#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
966#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
967#define ieee80211_msg_dumppkts(_vap) 0
968#define ieee80211_msg(_vap, _m) 0
969
970#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
971#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
972#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
973#endif
974
975#endif /* _NET80211_IEEE80211_VAR_H_ */
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 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */
122 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
123 int ic_headroom; /* driver tx headroom needs */
124 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
125 enum ieee80211_opmode ic_opmode; /* operation mode */
126 struct ifmedia ic_media; /* interface media config */
127 struct callout ic_inact; /* inactivity processing */
128 struct taskqueue *ic_tq; /* deferred state thread */
129 struct task ic_parent_task; /* deferred parent processing */
130 struct task ic_promisc_task;/* deferred promisc update */
131 struct task ic_mcast_task; /* deferred mcast update */
132 struct task ic_chan_task; /* deferred channel change */
133 struct task ic_bmiss_task; /* deferred beacon miss hndlr */
134 struct task ic_chw_task; /* deferred HT CHW update */
135
136 uint32_t ic_flags; /* state flags */
137 uint32_t ic_flags_ext; /* extended state flags */
138 uint32_t ic_flags_ht; /* HT state flags */
139 uint32_t ic_flags_ven; /* vendor state flags */
140 uint32_t ic_caps; /* capabilities */
141 uint32_t ic_htcaps; /* HT capabilities */
142 uint32_t ic_htextcaps; /* HT extended capabilities */
143 uint32_t ic_cryptocaps; /* crypto capabilities */
144 uint8_t ic_modecaps[2]; /* set of mode capabilities */
145 uint8_t ic_promisc; /* vap's needing promisc mode */
146 uint8_t ic_allmulti; /* vap's needing all multicast*/
147 uint8_t ic_nrunning; /* vap's marked running */
148 uint8_t ic_curmode; /* current mode */
149 uint16_t ic_bintval; /* beacon interval */
150 uint16_t ic_lintval; /* listen interval */
151 uint16_t ic_holdover; /* PM hold over duration */
152 uint16_t ic_txpowlimit; /* global tx power limit */
153 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
154
155 /*
156 * Channel state:
157 *
158 * ic_channels is the set of available channels for the device;
159 * it is setup by the driver
160 * ic_nchans is the number of valid entries in ic_channels
161 * ic_chan_avail is a bit vector of these channels used to check
162 * whether a channel is available w/o searching the channel table.
163 * ic_chan_active is a (potentially) constrained subset of
164 * ic_chan_avail that reflects any mode setting or user-specified
165 * limit on the set of channels to use/scan
166 * ic_curchan is the current channel the device is set to; it may
167 * be different from ic_bsschan when we are off-channel scanning
168 * or otherwise doing background work
169 * ic_bsschan is the channel selected for operation; it may
170 * be undefined (IEEE80211_CHAN_ANYC)
171 * ic_prevchan is a cached ``previous channel'' used to optimize
172 * lookups when switching back+forth between two channels
173 * (e.g. for dynamic turbo)
174 */
175 int ic_nchans; /* # entries in ic_channels */
176 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
177 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
178 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
179 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
180 struct ieee80211_channel *ic_curchan; /* current channel */
181 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
182 struct ieee80211_channel *ic_bsschan; /* bss channel */
183 struct ieee80211_channel *ic_prevchan; /* previous channel */
184 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
185 struct ieee80211_appie *ic_countryie; /* calculated country ie */
186 struct ieee80211_channel *ic_countryie_chan;
187
188 /* 802.11h/DFS state */
189 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
190 short ic_csa_mode; /* mode for doing CSA */
191 short ic_csa_count; /* count for doing CSA */
192 struct ieee80211_dfs_state ic_dfs; /* DFS state */
193
194 struct ieee80211_scan_state *ic_scan; /* scan state */
195 int ic_lastdata; /* time of last data frame */
196 int ic_lastscan; /* time last scan completed */
197
198 /* NB: this is the union of all vap stations/neighbors */
199 int ic_max_keyix; /* max h/w key index */
200 struct ieee80211_node_table ic_sta; /* stations/neighbors */
201 struct ieee80211_ageq ic_stageq; /* frame staging queue */
202 uint32_t ic_hash_key; /* random key for mac hash */
203
204 /* XXX multi-bss: split out common/vap parts */
205 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
206
207 /* XXX multi-bss: can per-vap be done/make sense? */
208 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
209 uint16_t ic_nonerpsta; /* # non-ERP stations */
210 uint16_t ic_longslotsta; /* # long slot time stations */
211 uint16_t ic_sta_assoc; /* stations associated */
212 uint16_t ic_ht_sta_assoc;/* HT stations associated */
213 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
214 uint8_t ic_curhtprotmode;/* HTINFO bss state */
215 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
216 int ic_lastnonerp; /* last time non-ERP sta noted*/
217 int ic_lastnonht; /* last time non-HT sta noted */
218 uint8_t ic_rxstream; /* # RX streams */
219 uint8_t ic_txstream; /* # TX streams */
220
221 /* optional state for Atheros SuperG protocol extensions */
222 struct ieee80211_superg *ic_superg;
223
224 /* radiotap handling */
225 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
226 void *ic_txchan; /* channel state in ic_th */
227 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
228 void *ic_rxchan; /* channel state in ic_rh */
229 int ic_montaps; /* active monitor mode taps */
230
231 /* virtual ap create/delete */
232 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
233 const char [IFNAMSIZ], int,
234 enum ieee80211_opmode, int,
235 const uint8_t [IEEE80211_ADDR_LEN],
236 const uint8_t [IEEE80211_ADDR_LEN]);
237 void (*ic_vap_delete)(struct ieee80211vap *);
238 /* operating mode attachment */
239 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
240 /* return hardware/radio capabilities */
241 void (*ic_getradiocaps)(struct ieee80211com *,
242 int, int *, struct ieee80211_channel []);
243 /* check and/or prepare regdomain state change */
244 int (*ic_setregdomain)(struct ieee80211com *,
245 struct ieee80211_regdomain *,
246 int, struct ieee80211_channel []);
247
248 int (*ic_set_quiet)(struct ieee80211_node *,
249 u_int8_t *quiet_elm);
250
251 /* send/recv 802.11 management frame */
252 int (*ic_send_mgmt)(struct ieee80211_node *,
253 int, int);
254 /* send raw 802.11 frame */
255 int (*ic_raw_xmit)(struct ieee80211_node *,
256 struct mbuf *,
257 const struct ieee80211_bpf_params *);
258 /* update device state for 802.11 slot time change */
259 void (*ic_updateslot)(struct ifnet *);
260 /* handle multicast state changes */
261 void (*ic_update_mcast)(struct ifnet *);
262 /* handle promiscuous mode changes */
263 void (*ic_update_promisc)(struct ifnet *);
264 /* new station association callback/notification */
265 void (*ic_newassoc)(struct ieee80211_node *, int);
266 /* TDMA update notification */
267 void (*ic_tdma_update)(struct ieee80211_node *,
268 const struct ieee80211_tdma_param *, int);
269 /* node state management */
270 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
271 const uint8_t [IEEE80211_ADDR_LEN]);
272 void (*ic_node_free)(struct ieee80211_node *);
273 void (*ic_node_cleanup)(struct ieee80211_node *);
274 void (*ic_node_age)(struct ieee80211_node *);
275 void (*ic_node_drain)(struct ieee80211_node *);
276 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
277 void (*ic_node_getsignal)(const struct ieee80211_node*,
278 int8_t *, int8_t *);
279 void (*ic_node_getmimoinfo)(
280 const struct ieee80211_node*,
281 struct ieee80211_mimo_info *);
282 /* scanning support */
283 void (*ic_scan_start)(struct ieee80211com *);
284 void (*ic_scan_end)(struct ieee80211com *);
285 void (*ic_set_channel)(struct ieee80211com *);
286 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
287 unsigned long);
288 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
289
290 /*
291 * 802.11n ADDBA support. A simple/generic implementation
292 * of A-MPDU tx aggregation is provided; the driver may
293 * override these methods to provide their own support.
294 * A-MPDU rx re-ordering happens automatically if the
295 * driver passes out-of-order frames to ieee80211_input
296 * from an assocated HT station.
297 */
298 int (*ic_recv_action)(struct ieee80211_node *,
299 const struct ieee80211_frame *,
300 const uint8_t *frm, const uint8_t *efrm);
301 int (*ic_send_action)(struct ieee80211_node *,
302 int category, int action, void *);
303 /* check if A-MPDU should be enabled this station+ac */
304 int (*ic_ampdu_enable)(struct ieee80211_node *,
305 struct ieee80211_tx_ampdu *);
306 /* start/stop doing A-MPDU tx aggregation for a station */
307 int (*ic_addba_request)(struct ieee80211_node *,
308 struct ieee80211_tx_ampdu *,
309 int dialogtoken, int baparamset,
310 int batimeout);
311 int (*ic_addba_response)(struct ieee80211_node *,
312 struct ieee80211_tx_ampdu *,
313 int status, int baparamset, int batimeout);
314 void (*ic_addba_stop)(struct ieee80211_node *,
315 struct ieee80211_tx_ampdu *);
316 void (*ic_addba_response_timeout)(struct ieee80211_node *,
317 struct ieee80211_tx_ampdu *);
318 /* BAR response received */
319 void (*ic_bar_response)(struct ieee80211_node *,
320 struct ieee80211_tx_ampdu *, int status);
321 /* start/stop doing A-MPDU rx processing for a station */
322 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
323 struct ieee80211_rx_ampdu *, int baparamset,
324 int batimeout, int baseqctl);
325 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
326 struct ieee80211_rx_ampdu *);
327
328 /* The channel width has changed (20<->2040) */
329 void (*ic_update_chw)(struct ieee80211com *);
330
331 uint64_t ic_spare[7];
332};
333
334struct ieee80211_aclator;
335struct ieee80211_tdma_state;
336struct ieee80211_mesh_state;
337struct ieee80211_hwmp_state;
338
339struct ieee80211vap {
340 struct ifmedia iv_media; /* interface media config */
341 struct ifnet *iv_ifp; /* associated device */
342 struct bpf_if *iv_rawbpf; /* packet filter structure */
343 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
344 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
345
346 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
347 struct ieee80211com *iv_ic; /* back ptr to common state */
348 uint32_t iv_debug; /* debug msg flags */
349 struct ieee80211_stats iv_stats; /* statistics */
350
351 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
352 uint32_t iv_flags; /* state flags */
353 uint32_t iv_flags_ext; /* extended state flags */
354 uint32_t iv_flags_ht; /* HT state flags */
355 uint32_t iv_flags_ven; /* vendor state flags */
356 uint32_t iv_caps; /* capabilities */
357 uint32_t iv_htcaps; /* HT capabilities */
358 uint32_t iv_htextcaps; /* HT extended capabilities */
359 enum ieee80211_opmode iv_opmode; /* operation mode */
360 enum ieee80211_state iv_state; /* state machine state */
361 enum ieee80211_state iv_nstate; /* pending state */
362 int iv_nstate_arg; /* pending state arg */
363 struct task iv_nstate_task; /* deferred state processing */
364 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
365 struct callout iv_mgtsend; /* mgmt frame response timer */
366 /* inactivity timer settings */
367 int iv_inact_init; /* setting for new station */
368 int iv_inact_auth; /* auth but not assoc setting */
369 int iv_inact_run; /* authorized setting */
370 int iv_inact_probe; /* inactive probe time */
371
372 int iv_des_nssid; /* # desired ssids */
373 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
374 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
375 struct ieee80211_channel *iv_des_chan; /* desired channel */
376 uint16_t iv_des_mode; /* desired mode */
377 int iv_nicknamelen; /* XXX junk */
378 uint8_t iv_nickname[IEEE80211_NWID_LEN];
379 u_int iv_bgscanidle; /* bg scan idle threshold */
380 u_int iv_bgscanintvl; /* bg scan min interval */
381 u_int iv_scanvalid; /* scan cache valid threshold */
382 u_int iv_scanreq_duration;
383 u_int iv_scanreq_mindwell;
384 u_int iv_scanreq_maxdwell;
385 uint16_t iv_scanreq_flags;/* held scan request params */
386 uint8_t iv_scanreq_nssid;
387 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
388 /* sta-mode roaming state */
389 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
390 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
391
392 uint8_t iv_bmissthreshold;
393 uint8_t iv_bmiss_count; /* current beacon miss count */
394 int iv_bmiss_max; /* max bmiss before scan */
395 uint16_t iv_swbmiss_count;/* beacons in last period */
396 uint16_t iv_swbmiss_period;/* s/w bmiss period */
397 struct callout iv_swbmiss; /* s/w beacon miss timer */
398
399 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
400 int iv_ampdu_density;/* A-MPDU density */
401 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
402 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
403 u_int iv_ampdu_mintraffic[WME_NUM_AC];
404
405 uint32_t *iv_aid_bitmap; /* association id map */
406 uint16_t iv_max_aid;
407 uint16_t iv_sta_assoc; /* stations associated */
408 uint16_t iv_ps_sta; /* stations in power save */
409 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
410 uint16_t iv_txseq; /* mcast xmit seq# space */
411 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
412 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
413 uint8_t iv_dtim_period; /* DTIM period */
414 uint8_t iv_dtim_count; /* DTIM count from last bcn */
415 /* set/unset aid pwrsav state */
416 uint8_t iv_quiet; /* Quiet Element */
417 uint8_t iv_quiet_count; /* constant count for Quiet Element */
418 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
419 uint8_t iv_quiet_period; /* period for Quiet Element */
420 uint16_t iv_quiet_duration; /* duration for Quiet Element */
421 uint16_t iv_quiet_offset; /* offset for Quiet Element */
422 int iv_csa_count; /* count for doing CSA */
423
424 struct ieee80211_node *iv_bss; /* information for this node */
425 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
426 uint16_t iv_rtsthreshold;
427 uint16_t iv_fragthreshold;
428 int iv_inact_timer; /* inactivity timer wait */
429 /* application-specified IE's to attach to mgt frames */
430 struct ieee80211_appie *iv_appie_beacon;
431 struct ieee80211_appie *iv_appie_probereq;
432 struct ieee80211_appie *iv_appie_proberesp;
433 struct ieee80211_appie *iv_appie_assocreq;
434 struct ieee80211_appie *iv_appie_assocresp;
435 struct ieee80211_appie *iv_appie_wpa;
436 uint8_t *iv_wpa_ie;
437 uint8_t *iv_rsn_ie;
438 uint16_t iv_max_keyix; /* max h/w key index */
439 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
440 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
441 int (*iv_key_alloc)(struct ieee80211vap *,
442 struct ieee80211_key *,
443 ieee80211_keyix *, ieee80211_keyix *);
444 int (*iv_key_delete)(struct ieee80211vap *,
445 const struct ieee80211_key *);
446 int (*iv_key_set)(struct ieee80211vap *,
447 const struct ieee80211_key *,
448 const uint8_t mac[IEEE80211_ADDR_LEN]);
449 void (*iv_key_update_begin)(struct ieee80211vap *);
450 void (*iv_key_update_end)(struct ieee80211vap *);
451
452 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
453 void *iv_ec; /* private auth state */
454
455 const struct ieee80211_aclator *iv_acl; /* acl glue */
456 void *iv_as; /* private aclator state */
457
458 const struct ieee80211_ratectl *iv_rate;
459 void *iv_rs; /* private ratectl state */
460
461 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
462 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
463 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
464
465 /* operate-mode detach hook */
466 void (*iv_opdetach)(struct ieee80211vap *);
467 /* receive processing */
468 int (*iv_input)(struct ieee80211_node *,
469 struct mbuf *, int, int);
470 void (*iv_recv_mgmt)(struct ieee80211_node *,
471 struct mbuf *, int, int, int);
472 void (*iv_recv_ctl)(struct ieee80211_node *,
473 struct mbuf *, int);
474 void (*iv_deliver_data)(struct ieee80211vap *,
475 struct ieee80211_node *, struct mbuf *);
476#if 0
477 /* send processing */
478 int (*iv_send_mgmt)(struct ieee80211_node *,
479 int, int);
480#endif
481 /* beacon miss processing */
482 void (*iv_bmiss)(struct ieee80211vap *);
483 /* reset device state after 802.11 parameter/state change */
484 int (*iv_reset)(struct ieee80211vap *, u_long);
485 /* [schedule] beacon frame update */
486 void (*iv_update_beacon)(struct ieee80211vap *, int);
487 /* power save handling */
488 void (*iv_update_ps)(struct ieee80211vap *, int);
489 int (*iv_set_tim)(struct ieee80211_node *, int);
490 void (*iv_node_ps)(struct ieee80211_node *, int);
491 void (*iv_sta_ps)(struct ieee80211vap *, int);
492 void (*iv_recv_pspoll)(struct ieee80211_node *,
493 struct mbuf *);
494
495 /* state machine processing */
496 int (*iv_newstate)(struct ieee80211vap *,
497 enum ieee80211_state, int);
498 /* 802.3 output method for raw frame xmit */
499 int (*iv_output)(struct ifnet *, struct mbuf *,
500 const struct sockaddr *, struct route *);
501 uint64_t iv_spare[6];
502};
503MALLOC_DECLARE(M_80211_VAP);
504
505#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
506#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
507
508/* ic_flags/iv_flags */
509#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
510#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
511#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
512#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
513/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
514#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
515#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
516#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
517#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
518#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
519/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
520#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
521#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
522#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
523#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
524#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
525#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
526#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
527#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
528#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
529#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
530#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
531#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
532#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
533#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
534#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
535#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
536#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
537#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
538#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
539#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
540#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
541#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
542#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
543
544#define IEEE80211_F_BITS \
545 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
546 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
547 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
548 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
549 "\37DOTH\40DWDS"
550
551/* Atheros protocol-specific flags */
552#define IEEE80211_F_ATHEROS \
553 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
554/* Check if an Atheros capability was negotiated for use */
555#define IEEE80211_ATH_CAP(vap, ni, bit) \
556 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
557
558/* ic_flags_ext/iv_flags_ext */
559#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
560#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
561/* 0x00000006 reserved */
562#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
563#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
564#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
565#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
566#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
567#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
568#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
569#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
570#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
571#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
572#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
573#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
574#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
575/* NB: immutable: should be set only when creating a vap */
576#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
577#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
578#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
579
580#define IEEE80211_FEXT_BITS \
581 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
582 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
583 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
584
585/* ic_flags_ht/iv_flags_ht */
586#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
587#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
588#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
589#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
590#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
591#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
592#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
593#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
594#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
595#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
596#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
597#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
598#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
599#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
600#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
601
602#define IEEE80211_FHT_BITS \
603 "\20\1NONHT_PR" \
604 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
605 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
606 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
607
608#define IEEE80211_FVEN_BITS "\20"
609
610/* ic_caps/iv_caps: device driver capabilities */
611/* 0x2e available */
612#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
613#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
614#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
615#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
616#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
617#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
618#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
619#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
620#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
621#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
622#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
623#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
624#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
625#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
626#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
627/* 0x7c0000 available */
628#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
629#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
630#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
631#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
632#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
633#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
634/* 0x10000000 reserved */
635#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
636#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
637#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
638/* XXX protection/barker? */
639
640#define IEEE80211_C_OPMODE \
641 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
642 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
643 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
644
645#define IEEE80211_C_BITS \
646 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
647 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
648 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
649 "\37TXFRAG\40TDMA"
650
651/*
652 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
653 *
654 * NB: the low 16-bits are the 802.11 definitions, the upper
655 * 16-bits are used to define s/w/driver capabilities.
656 */
657#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
658#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
659/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
660#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
661#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
662#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
663#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
664#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
665#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
666#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
667
668#define IEEE80211_C_HTCAP_BITS \
669 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
670 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
671
672void ieee80211_ifattach(struct ieee80211com *,
673 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
674void ieee80211_ifdetach(struct ieee80211com *);
675int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
676 const char name[IFNAMSIZ], int unit,
677 enum ieee80211_opmode opmode, int flags,
678 const uint8_t bssid[IEEE80211_ADDR_LEN],
679 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
680int ieee80211_vap_attach(struct ieee80211vap *,
681 ifm_change_cb_t, ifm_stat_cb_t);
682void ieee80211_vap_detach(struct ieee80211vap *);
683const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
684 const struct ieee80211_channel *);
685void ieee80211_announce(struct ieee80211com *);
686void ieee80211_announce_channels(struct ieee80211com *);
687void ieee80211_drain(struct ieee80211com *);
688void ieee80211_media_init(struct ieee80211com *);
689struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
690int ieee80211_media_change(struct ifnet *);
691void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
692int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
693int ieee80211_rate2media(struct ieee80211com *, int,
694 enum ieee80211_phymode);
695int ieee80211_media2rate(int);
696int ieee80211_mhz2ieee(u_int, u_int);
697int ieee80211_chan2ieee(struct ieee80211com *,
698 const struct ieee80211_channel *);
699u_int ieee80211_ieee2mhz(u_int, u_int);
700struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
701 int freq, int flags);
702struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
703 int ieee, int flags);
704int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
705enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
706uint32_t ieee80211_mac_hash(const struct ieee80211com *,
707 const uint8_t addr[IEEE80211_ADDR_LEN]);
708
709void ieee80211_radiotap_attach(struct ieee80211com *,
710 struct ieee80211_radiotap_header *th, int tlen,
711 uint32_t tx_radiotap,
712 struct ieee80211_radiotap_header *rh, int rlen,
713 uint32_t rx_radiotap);
714void ieee80211_radiotap_attachv(struct ieee80211com *,
715 struct ieee80211_radiotap_header *th,
716 int tlen, int n_tx_v, uint32_t tx_radiotap,
717 struct ieee80211_radiotap_header *rh,
718 int rlen, int n_rx_v, uint32_t rx_radiotap);
719void ieee80211_radiotap_detach(struct ieee80211com *);
720void ieee80211_radiotap_vattach(struct ieee80211vap *);
721void ieee80211_radiotap_vdetach(struct ieee80211vap *);
722void ieee80211_radiotap_chan_change(struct ieee80211com *);
723void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
724void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
725void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
726
727static __inline int
728ieee80211_radiotap_active(const struct ieee80211com *ic)
729{
730 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
731}
732
733static __inline int
734ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
735{
736 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
737 vap->iv_ic->ic_montaps != 0;
738}
739
740/*
741 * Enqueue a task on the state thread.
742 */
743static __inline void
744ieee80211_runtask(struct ieee80211com *ic, struct task *task)
745{
746 taskqueue_enqueue(ic->ic_tq, task);
747}
748
749/*
750 * Wait for a queued task to complete.
751 */
752static __inline void
753ieee80211_draintask(struct ieee80211com *ic, struct task *task)
754{
755 taskqueue_drain(ic->ic_tq, task);
756}
757
758/*
759 * Key update synchronization methods. XXX should not be visible.
760 */
761static __inline void
762ieee80211_key_update_begin(struct ieee80211vap *vap)
763{
764 vap->iv_key_update_begin(vap);
765}
766static __inline void
767ieee80211_key_update_end(struct ieee80211vap *vap)
768{
769 vap->iv_key_update_end(vap);
770}
771
772/*
773 * XXX these need to be here for IEEE80211_F_DATAPAD
774 */
775
776/*
777 * Return the space occupied by the 802.11 header and any
778 * padding required by the driver. This works for a
779 * management or data frame.
780 */
781static __inline int
782ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
783{
784 int size = ieee80211_hdrsize(data);
785 if (ic->ic_flags & IEEE80211_F_DATAPAD)
786 size = roundup(size, sizeof(uint32_t));
787 return size;
788}
789
790/*
791 * Like ieee80211_hdrspace, but handles any type of frame.
792 */
793static __inline int
794ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
795{
796 int size = ieee80211_anyhdrsize(data);
797 if (ic->ic_flags & IEEE80211_F_DATAPAD)
798 size = roundup(size, sizeof(uint32_t));
799 return size;
800}
801
802/*
803 * Notify a vap that beacon state has been updated.
804 */
805static __inline void
806ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
807{
808 if (vap->iv_state == IEEE80211_S_RUN)
809 vap->iv_update_beacon(vap, what);
810}
811
812/*
813 * Calculate HT channel promotion flags for a channel.
814 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
815 */
816static __inline int
817ieee80211_htchanflags(const struct ieee80211_channel *c)
818{
819 return IEEE80211_IS_CHAN_HT40(c) ?
820 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
821 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
822}
823
824/*
825 * Fetch the current TX power (cap) for the given node.
826 *
827 * This includes the node and ic/vap TX power limit as needed,
828 * but it doesn't take into account any per-rate limit.
829 */
830static __inline uint16_t
831ieee80211_get_node_txpower(struct ieee80211_node *ni)
832{
833 struct ieee80211com *ic = ni->ni_ic;
834 uint16_t txpower;
835
836 txpower = ni->ni_txpower;
837 txpower = MIN(txpower, ic->ic_txpowlimit);
838 if (ic->ic_curchan != NULL) {
839 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower);
840 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower);
841 }
842
843 return (txpower);
844}
845
846/*
847 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
848 *
849 * The intent is that any problem in the net80211 layer can be
850 * diagnosed by inspecting the statistics (dumped by the wlanstats
851 * program) and/or the msgs generated by net80211. Messages are
852 * broken into functional classes and can be controlled with the
853 * wlandebug program. Certain of these msg groups are for facilities
854 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
855 */
856#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
857#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
858#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
859#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
860#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
861#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
862#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
863#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
864#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
865#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
866#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
867#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
868#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
869#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
870#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
871#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
872#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
873#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
874#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
875#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
876#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
877#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
878#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
879#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
880#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
881#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
882#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
883#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
884#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
885#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
886#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
887
888#define IEEE80211_MSG_ANY 0xffffffff /* anything */
889
890#define IEEE80211_MSG_BITS \
891 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
892 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
893 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
894 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
895
896#ifdef IEEE80211_DEBUG
897#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
898#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
899 if (ieee80211_msg(_vap, _m)) \
900 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
901} while (0)
902#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
903 if (ieee80211_msg(_vap, _m)) \
904 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
905} while (0)
906#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
907 if (ieee80211_msg(_vap, _m)) \
908 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
909} while (0)
910#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
911 if (ieee80211_msg(_vap, _m)) \
912 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
913} while (0)
914void ieee80211_note(const struct ieee80211vap *, const char *, ...);
915void ieee80211_note_mac(const struct ieee80211vap *,
916 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
917void ieee80211_note_frame(const struct ieee80211vap *,
918 const struct ieee80211_frame *, const char *, ...);
919#define ieee80211_msg_debug(_vap) \
920 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
921#define ieee80211_msg_dumppkts(_vap) \
922 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
923#define ieee80211_msg_input(_vap) \
924 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
925#define ieee80211_msg_radius(_vap) \
926 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
927#define ieee80211_msg_dumpradius(_vap) \
928 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
929#define ieee80211_msg_dumpradkeys(_vap) \
930 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
931#define ieee80211_msg_scan(_vap) \
932 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
933#define ieee80211_msg_assoc(_vap) \
934 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
935
936/*
937 * Emit a debug message about discarding a frame or information
938 * element. One format is for extracting the mac address from
939 * the frame header; the other is for when a header is not
940 * available or otherwise appropriate.
941 */
942#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
943 if ((_vap)->iv_debug & (_m)) \
944 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
945} while (0)
946#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
947 if ((_vap)->iv_debug & (_m)) \
948 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
949} while (0)
950#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
951 if ((_vap)->iv_debug & (_m)) \
952 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
953} while (0)
954
955void ieee80211_discard_frame(const struct ieee80211vap *,
956 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
957void ieee80211_discard_ie(const struct ieee80211vap *,
958 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
959void ieee80211_discard_mac(const struct ieee80211vap *,
960 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
961 const char *fmt, ...);
962#else
963#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
964#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
965#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
966#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
967#define ieee80211_msg_dumppkts(_vap) 0
968#define ieee80211_msg(_vap, _m) 0
969
970#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
971#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
972#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
973#endif
974
975#endif /* _NET80211_IEEE80211_VAR_H_ */