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 233452 2012-03-25 03:11:57Z adrian $
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 struct task ic_chw_task; /* deferred HT CHW update */
134
135 uint32_t ic_flags; /* state flags */
136 uint32_t ic_flags_ext; /* extended state flags */
137 uint32_t ic_flags_ht; /* HT state flags */
138 uint32_t ic_flags_ven; /* vendor state flags */
139 uint32_t ic_caps; /* capabilities */
140 uint32_t ic_htcaps; /* HT capabilities */
141 uint32_t ic_htextcaps; /* HT extended capabilities */
142 uint32_t ic_cryptocaps; /* crypto capabilities */
143 uint8_t ic_modecaps[2]; /* set of mode capabilities */
144 uint8_t ic_promisc; /* vap's needing promisc mode */
145 uint8_t ic_allmulti; /* vap's needing all multicast*/
146 uint8_t ic_nrunning; /* vap's marked running */
147 uint8_t ic_curmode; /* current mode */
148 uint16_t ic_bintval; /* beacon interval */
149 uint16_t ic_lintval; /* listen interval */
150 uint16_t ic_holdover; /* PM hold over duration */
151 uint16_t ic_txpowlimit; /* global tx power limit */
152 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
153
154 /*
155 * Channel state:
156 *
157 * ic_channels is the set of available channels for the device;
158 * it is setup by the driver
159 * ic_nchans is the number of valid entries in ic_channels
160 * ic_chan_avail is a bit vector of these channels used to check
161 * whether a channel is available w/o searching the channel table.
162 * ic_chan_active is a (potentially) constrained subset of
163 * ic_chan_avail that reflects any mode setting or user-specified
164 * limit on the set of channels to use/scan
165 * ic_curchan is the current channel the device is set to; it may
166 * be different from ic_bsschan when we are off-channel scanning
167 * or otherwise doing background work
168 * ic_bsschan is the channel selected for operation; it may
169 * be undefined (IEEE80211_CHAN_ANYC)
170 * ic_prevchan is a cached ``previous channel'' used to optimize
171 * lookups when switching back+forth between two channels
172 * (e.g. for dynamic turbo)
173 */
174 int ic_nchans; /* # entries in ic_channels */
175 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
176 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
177 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
178 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
179 struct ieee80211_channel *ic_curchan; /* current channel */
180 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
181 struct ieee80211_channel *ic_bsschan; /* bss channel */
182 struct ieee80211_channel *ic_prevchan; /* previous channel */
183 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
184 struct ieee80211_appie *ic_countryie; /* calculated country ie */
185 struct ieee80211_channel *ic_countryie_chan;
186
187 /* 802.11h/DFS state */
188 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
189 short ic_csa_mode; /* mode for doing CSA */
190 short ic_csa_count; /* count for doing CSA */
191 struct ieee80211_dfs_state ic_dfs; /* DFS state */
192
193 struct ieee80211_scan_state *ic_scan; /* scan state */
194 int ic_lastdata; /* time of last data frame */
195 int ic_lastscan; /* time last scan completed */
196
197 /* NB: this is the union of all vap stations/neighbors */
198 int ic_max_keyix; /* max h/w key index */
199 struct ieee80211_node_table ic_sta; /* stations/neighbors */
200 struct ieee80211_ageq ic_stageq; /* frame staging queue */
201 uint32_t ic_hash_key; /* random key for mac hash */
202
203 /* XXX multi-bss: split out common/vap parts */
204 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
205
206 /* XXX multi-bss: can per-vap be done/make sense? */
207 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
208 uint16_t ic_nonerpsta; /* # non-ERP stations */
209 uint16_t ic_longslotsta; /* # long slot time stations */
210 uint16_t ic_sta_assoc; /* stations associated */
211 uint16_t ic_ht_sta_assoc;/* HT stations associated */
212 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
213 uint8_t ic_curhtprotmode;/* HTINFO bss state */
214 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
215 int ic_lastnonerp; /* last time non-ERP sta noted*/
216 int ic_lastnonht; /* last time non-HT sta noted */
217 uint8_t ic_rxstream; /* # RX streams */
218 uint8_t ic_txstream; /* # TX streams */
219
220 /* optional state for Atheros SuperG protocol extensions */
221 struct ieee80211_superg *ic_superg;
222
223 /* radiotap handling */
224 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
225 void *ic_txchan; /* channel state in ic_th */
226 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
227 void *ic_rxchan; /* channel state in ic_rh */
228 int ic_montaps; /* active monitor mode taps */
229
230 /* virtual ap create/delete */
231 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
232 const char [IFNAMSIZ], int,
233 enum ieee80211_opmode, int,
234 const uint8_t [IEEE80211_ADDR_LEN],
235 const uint8_t [IEEE80211_ADDR_LEN]);
236 void (*ic_vap_delete)(struct ieee80211vap *);
237 /* operating mode attachment */
238 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
239 /* return hardware/radio capabilities */
240 void (*ic_getradiocaps)(struct ieee80211com *,
241 int, int *, struct ieee80211_channel []);
242 /* check and/or prepare regdomain state change */
243 int (*ic_setregdomain)(struct ieee80211com *,
244 struct ieee80211_regdomain *,
245 int, struct ieee80211_channel []);
246
247 int (*ic_set_quiet)(struct ieee80211_node *,
248 u_int8_t *quiet_elm);
249
250 /* send/recv 802.11 management frame */
251 int (*ic_send_mgmt)(struct ieee80211_node *,
252 int, int);
253 /* send raw 802.11 frame */
254 int (*ic_raw_xmit)(struct ieee80211_node *,
255 struct mbuf *,
256 const struct ieee80211_bpf_params *);
257 /* update device state for 802.11 slot time change */
258 void (*ic_updateslot)(struct ifnet *);
259 /* handle multicast state changes */
260 void (*ic_update_mcast)(struct ifnet *);
261 /* handle promiscuous mode changes */
262 void (*ic_update_promisc)(struct ifnet *);
263 /* new station association callback/notification */
264 void (*ic_newassoc)(struct ieee80211_node *, int);
265 /* TDMA update notification */
266 void (*ic_tdma_update)(struct ieee80211_node *,
267 const struct ieee80211_tdma_param *, int);
268 /* node state management */
269 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
270 const uint8_t [IEEE80211_ADDR_LEN]);
271 void (*ic_node_free)(struct ieee80211_node *);
272 void (*ic_node_cleanup)(struct ieee80211_node *);
273 void (*ic_node_age)(struct ieee80211_node *);
274 void (*ic_node_drain)(struct ieee80211_node *);
275 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
276 void (*ic_node_getsignal)(const struct ieee80211_node*,
277 int8_t *, int8_t *);
278 void (*ic_node_getmimoinfo)(
279 const struct ieee80211_node*,
280 struct ieee80211_mimo_info *);
281 /* scanning support */
282 void (*ic_scan_start)(struct ieee80211com *);
283 void (*ic_scan_end)(struct ieee80211com *);
284 void (*ic_set_channel)(struct ieee80211com *);
285 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
286 unsigned long);
287 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
288
289 /*
290 * 802.11n ADDBA support. A simple/generic implementation
291 * of A-MPDU tx aggregation is provided; the driver may
292 * override these methods to provide their own support.
293 * A-MPDU rx re-ordering happens automatically if the
294 * driver passes out-of-order frames to ieee80211_input
295 * from an assocated HT station.
296 */
297 int (*ic_recv_action)(struct ieee80211_node *,
298 const struct ieee80211_frame *,
299 const uint8_t *frm, const uint8_t *efrm);
300 int (*ic_send_action)(struct ieee80211_node *,
301 int category, int action, void *);
302 /* check if A-MPDU should be enabled this station+ac */
303 int (*ic_ampdu_enable)(struct ieee80211_node *,
304 struct ieee80211_tx_ampdu *);
305 /* start/stop doing A-MPDU tx aggregation for a station */
306 int (*ic_addba_request)(struct ieee80211_node *,
307 struct ieee80211_tx_ampdu *,
308 int dialogtoken, int baparamset,
309 int batimeout);
310 int (*ic_addba_response)(struct ieee80211_node *,
311 struct ieee80211_tx_ampdu *,
312 int status, int baparamset, int batimeout);
313 void (*ic_addba_stop)(struct ieee80211_node *,
314 struct ieee80211_tx_ampdu *);
315 void (*ic_addba_response_timeout)(struct ieee80211_node *,
316 struct ieee80211_tx_ampdu *);
317 /* BAR response received */
318 void (*ic_bar_response)(struct ieee80211_node *,
319 struct ieee80211_tx_ampdu *, int status);
320 /* start/stop doing A-MPDU rx processing for a station */
321 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
322 struct ieee80211_rx_ampdu *, int baparamset,
323 int batimeout, int baseqctl);
324 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
325 struct ieee80211_rx_ampdu *);
326
327 /* The channel width has changed (20<->2040) */
328 void (*ic_update_chw)(struct ieee80211com *);
329
330 uint64_t ic_spare[7];
331};
332
333struct ieee80211_aclator;
334struct ieee80211_tdma_state;
335struct ieee80211_mesh_state;
336struct ieee80211_hwmp_state;
337
338struct ieee80211vap {
339 struct ifmedia iv_media; /* interface media config */
340 struct ifnet *iv_ifp; /* associated device */
341 struct bpf_if *iv_rawbpf; /* packet filter structure */
342 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
343 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
344
345 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
346 struct ieee80211com *iv_ic; /* back ptr to common state */
347 uint32_t iv_debug; /* debug msg flags */
348 struct ieee80211_stats iv_stats; /* statistics */
349
350 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
351 uint32_t iv_flags; /* state flags */
352 uint32_t iv_flags_ext; /* extended state flags */
353 uint32_t iv_flags_ht; /* HT state flags */
354 uint32_t iv_flags_ven; /* vendor state flags */
355 uint32_t iv_caps; /* capabilities */
356 uint32_t iv_htcaps; /* HT capabilities */
357 uint32_t iv_htextcaps; /* HT extended capabilities */
358 enum ieee80211_opmode iv_opmode; /* operation mode */
359 enum ieee80211_state iv_state; /* state machine state */
360 enum ieee80211_state iv_nstate; /* pending state */
361 int iv_nstate_arg; /* pending state arg */
362 struct task iv_nstate_task; /* deferred state processing */
363 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
364 struct callout iv_mgtsend; /* mgmt frame response timer */
365 /* inactivity timer settings */
366 int iv_inact_init; /* setting for new station */
367 int iv_inact_auth; /* auth but not assoc setting */
368 int iv_inact_run; /* authorized setting */
369 int iv_inact_probe; /* inactive probe time */
370
371 int iv_des_nssid; /* # desired ssids */
372 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
373 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
374 struct ieee80211_channel *iv_des_chan; /* desired channel */
375 uint16_t iv_des_mode; /* desired mode */
376 int iv_nicknamelen; /* XXX junk */
377 uint8_t iv_nickname[IEEE80211_NWID_LEN];
378 u_int iv_bgscanidle; /* bg scan idle threshold */
379 u_int iv_bgscanintvl; /* bg scan min interval */
380 u_int iv_scanvalid; /* scan cache valid threshold */
381 u_int iv_scanreq_duration;
382 u_int iv_scanreq_mindwell;
383 u_int iv_scanreq_maxdwell;
384 uint16_t iv_scanreq_flags;/* held scan request params */
385 uint8_t iv_scanreq_nssid;
386 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
387 /* sta-mode roaming state */
388 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
389 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
390
391 uint8_t iv_bmissthreshold;
392 uint8_t iv_bmiss_count; /* current beacon miss count */
393 int iv_bmiss_max; /* max bmiss before scan */
394 uint16_t iv_swbmiss_count;/* beacons in last period */
395 uint16_t iv_swbmiss_period;/* s/w bmiss period */
396 struct callout iv_swbmiss; /* s/w beacon miss timer */
397
398 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
399 int iv_ampdu_density;/* A-MPDU density */
400 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
401 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
402 u_int iv_ampdu_mintraffic[WME_NUM_AC];
403
404 uint32_t *iv_aid_bitmap; /* association id map */
405 uint16_t iv_max_aid;
406 uint16_t iv_sta_assoc; /* stations associated */
407 uint16_t iv_ps_sta; /* stations in power save */
408 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
409 uint16_t iv_txseq; /* mcast xmit seq# space */
410 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
411 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
412 uint8_t iv_dtim_period; /* DTIM period */
413 uint8_t iv_dtim_count; /* DTIM count from last bcn */
414 /* set/unset aid pwrsav state */
415 uint8_t iv_quiet; /* Quiet Element */
416 uint8_t iv_quiet_count; /* constant count for Quiet Element */
417 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
418 uint8_t iv_quiet_period; /* period for Quiet Element */
419 uint16_t iv_quiet_duration; /* duration for Quiet Element */
420 uint16_t iv_quiet_offset; /* offset for Quiet Element */
421 int iv_csa_count; /* count for doing CSA */
422
423 struct ieee80211_node *iv_bss; /* information for this node */
424 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
425 uint16_t iv_rtsthreshold;
426 uint16_t iv_fragthreshold;
427 int iv_inact_timer; /* inactivity timer wait */
428 /* application-specified IE's to attach to mgt frames */
429 struct ieee80211_appie *iv_appie_beacon;
430 struct ieee80211_appie *iv_appie_probereq;
431 struct ieee80211_appie *iv_appie_proberesp;
432 struct ieee80211_appie *iv_appie_assocreq;
433 struct ieee80211_appie *iv_appie_assocresp;
434 struct ieee80211_appie *iv_appie_wpa;
435 uint8_t *iv_wpa_ie;
436 uint8_t *iv_rsn_ie;
437 uint16_t iv_max_keyix; /* max h/w key index */
438 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
439 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
440 int (*iv_key_alloc)(struct ieee80211vap *,
441 struct ieee80211_key *,
442 ieee80211_keyix *, ieee80211_keyix *);
443 int (*iv_key_delete)(struct ieee80211vap *,
444 const struct ieee80211_key *);
445 int (*iv_key_set)(struct ieee80211vap *,
446 const struct ieee80211_key *,
447 const uint8_t mac[IEEE80211_ADDR_LEN]);
448 void (*iv_key_update_begin)(struct ieee80211vap *);
449 void (*iv_key_update_end)(struct ieee80211vap *);
450
451 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
452 void *iv_ec; /* private auth state */
453
454 const struct ieee80211_aclator *iv_acl; /* acl glue */
455 void *iv_as; /* private aclator state */
456
457 const struct ieee80211_ratectl *iv_rate;
458 void *iv_rs; /* private ratectl state */
459
460 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
461 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
462 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
463
464 /* operate-mode detach hook */
465 void (*iv_opdetach)(struct ieee80211vap *);
466 /* receive processing */
467 int (*iv_input)(struct ieee80211_node *,
468 struct mbuf *, int, int);
469 void (*iv_recv_mgmt)(struct ieee80211_node *,
470 struct mbuf *, int, int, int);
471 void (*iv_recv_ctl)(struct ieee80211_node *,
472 struct mbuf *, int);
473 void (*iv_deliver_data)(struct ieee80211vap *,
474 struct ieee80211_node *, struct mbuf *);
475#if 0
476 /* send processing */
477 int (*iv_send_mgmt)(struct ieee80211_node *,
478 int, int);
479#endif
480 /* beacon miss processing */
481 void (*iv_bmiss)(struct ieee80211vap *);
482 /* reset device state after 802.11 parameter/state change */
483 int (*iv_reset)(struct ieee80211vap *, u_long);
484 /* [schedule] beacon frame update */
485 void (*iv_update_beacon)(struct ieee80211vap *, int);
486 /* power save handling */
487 void (*iv_update_ps)(struct ieee80211vap *, int);
488 int (*iv_set_tim)(struct ieee80211_node *, int);
489 /* state machine processing */
490 int (*iv_newstate)(struct ieee80211vap *,
491 enum ieee80211_state, int);
492 /* 802.3 output method for raw frame xmit */
493 int (*iv_output)(struct ifnet *, struct mbuf *,
494 struct sockaddr *, struct route *);
495 uint64_t iv_spare[6];
496};
497MALLOC_DECLARE(M_80211_VAP);
498
499#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
500#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
501
502/* ic_flags/iv_flags */
503#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
504#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
505#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
506#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
507/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
508#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
509#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
510#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
511#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
512#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
513/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
514#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
515#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
516#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
517#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
518#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
519#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
520#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
521#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
522#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
523#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
524#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
525#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
526#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
527#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
528#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
529#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
530#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
531#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
532#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
533#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
534#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
535#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
536#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
537
538#define IEEE80211_F_BITS \
539 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
540 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
541 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
542 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
543 "\37DOTH\40DWDS"
544
545/* Atheros protocol-specific flags */
546#define IEEE80211_F_ATHEROS \
547 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
548/* Check if an Atheros capability was negotiated for use */
549#define IEEE80211_ATH_CAP(vap, ni, bit) \
550 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
551
552/* ic_flags_ext/iv_flags_ext */
553#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
554#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
555/* 0x00000006 reserved */
556#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
557#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
558#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
559#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
560#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
561#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
562#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
563#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
564#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
565#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
566#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
567#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
568#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
569/* NB: immutable: should be set only when creating a vap */
570#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
571#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
572#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
573
574#define IEEE80211_FEXT_BITS \
575 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
576 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
577 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
578
579/* ic_flags_ht/iv_flags_ht */
580#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
581#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
582#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
583#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
584#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
585#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
586#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
587#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
588#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
589#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
590#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
591#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
592#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
593#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
594#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
595
596#define IEEE80211_FHT_BITS \
597 "\20\1NONHT_PR" \
598 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
599 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
600 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
601
602#define IEEE80211_FVEN_BITS "\20"
603
604/* ic_caps/iv_caps: device driver capabilities */
605/* 0x2e available */
606#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
607#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
608#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
609#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
610#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
611#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
612#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
613#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
614#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
615#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
616#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
617#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
618#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
619#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
620#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
621/* 0x7c0000 available */
622#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
623#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
624#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
625#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
626#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
627#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
628/* 0x10000000 reserved */
629#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
630#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
631#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
632/* XXX protection/barker? */
633
634#define IEEE80211_C_OPMODE \
635 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
636 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
637 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
638
639#define IEEE80211_C_BITS \
640 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
641 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
642 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
643 "\37TXFRAG\40TDMA"
644
645/*
646 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
647 *
648 * NB: the low 16-bits are the 802.11 definitions, the upper
649 * 16-bits are used to define s/w/driver capabilities.
650 */
651#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
652#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
653/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
654#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
655#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
656#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
657#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
658#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
659#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
660#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
661
662#define IEEE80211_C_HTCAP_BITS \
663 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
664 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
665
666void ieee80211_ifattach(struct ieee80211com *,
667 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
668void ieee80211_ifdetach(struct ieee80211com *);
669int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
670 const char name[IFNAMSIZ], int unit,
671 enum ieee80211_opmode opmode, int flags,
672 const uint8_t bssid[IEEE80211_ADDR_LEN],
673 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
674int ieee80211_vap_attach(struct ieee80211vap *,
675 ifm_change_cb_t, ifm_stat_cb_t);
676void ieee80211_vap_detach(struct ieee80211vap *);
677const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
678 const struct ieee80211_channel *);
679void ieee80211_announce(struct ieee80211com *);
680void ieee80211_announce_channels(struct ieee80211com *);
681void ieee80211_drain(struct ieee80211com *);
682void ieee80211_media_init(struct ieee80211com *);
683struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
684int ieee80211_media_change(struct ifnet *);
685void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
686int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
687int ieee80211_rate2media(struct ieee80211com *, int,
688 enum ieee80211_phymode);
689int ieee80211_media2rate(int);
690int ieee80211_mhz2ieee(u_int, u_int);
691int ieee80211_chan2ieee(struct ieee80211com *,
692 const struct ieee80211_channel *);
693u_int ieee80211_ieee2mhz(u_int, u_int);
694struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
695 int freq, int flags);
696struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
697 int ieee, int flags);
698int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
699enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
700uint32_t ieee80211_mac_hash(const struct ieee80211com *,
701 const uint8_t addr[IEEE80211_ADDR_LEN]);
702
703void ieee80211_radiotap_attach(struct ieee80211com *,
704 struct ieee80211_radiotap_header *th, int tlen,
705 uint32_t tx_radiotap,
706 struct ieee80211_radiotap_header *rh, int rlen,
707 uint32_t rx_radiotap);
708void ieee80211_radiotap_detach(struct ieee80211com *);
709void ieee80211_radiotap_vattach(struct ieee80211vap *);
710void ieee80211_radiotap_vdetach(struct ieee80211vap *);
711void ieee80211_radiotap_chan_change(struct ieee80211com *);
712void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
713void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
714void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
715
716static __inline int
717ieee80211_radiotap_active(const struct ieee80211com *ic)
718{
719 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
720}
721
722static __inline int
723ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
724{
725 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
726 vap->iv_ic->ic_montaps != 0;
727}
728
729/*
730 * Enqueue a task on the state thread.
731 */
732static __inline void
733ieee80211_runtask(struct ieee80211com *ic, struct task *task)
734{
735 taskqueue_enqueue(ic->ic_tq, task);
736}
737
738/*
739 * Wait for a queued task to complete.
740 */
741static __inline void
742ieee80211_draintask(struct ieee80211com *ic, struct task *task)
743{
744 taskqueue_drain(ic->ic_tq, task);
745}
746
747/*
748 * Key update synchronization methods. XXX should not be visible.
749 */
750static __inline void
751ieee80211_key_update_begin(struct ieee80211vap *vap)
752{
753 vap->iv_key_update_begin(vap);
754}
755static __inline void
756ieee80211_key_update_end(struct ieee80211vap *vap)
757{
758 vap->iv_key_update_end(vap);
759}
760
761/*
762 * XXX these need to be here for IEEE80211_F_DATAPAD
763 */
764
765/*
766 * Return the space occupied by the 802.11 header and any
767 * padding required by the driver. This works for a
768 * management or data frame.
769 */
770static __inline int
771ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
772{
773 int size = ieee80211_hdrsize(data);
774 if (ic->ic_flags & IEEE80211_F_DATAPAD)
775 size = roundup(size, sizeof(uint32_t));
776 return size;
777}
778
779/*
780 * Like ieee80211_hdrspace, but handles any type of frame.
781 */
782static __inline int
783ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
784{
785 int size = ieee80211_anyhdrsize(data);
786 if (ic->ic_flags & IEEE80211_F_DATAPAD)
787 size = roundup(size, sizeof(uint32_t));
788 return size;
789}
790
791/*
792 * Notify a vap that beacon state has been updated.
793 */
794static __inline void
795ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
796{
797 if (vap->iv_state == IEEE80211_S_RUN)
798 vap->iv_update_beacon(vap, what);
799}
800
801/*
802 * Calculate HT channel promotion flags for a channel.
803 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
804 */
805static __inline int
806ieee80211_htchanflags(const struct ieee80211_channel *c)
807{
808 return IEEE80211_IS_CHAN_HT40(c) ?
809 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
810 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
811}
812
813/*
814 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
815 *
816 * The intent is that any problem in the net80211 layer can be
817 * diagnosed by inspecting the statistics (dumped by the wlanstats
818 * program) and/or the msgs generated by net80211. Messages are
819 * broken into functional classes and can be controlled with the
820 * wlandebug program. Certain of these msg groups are for facilities
821 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
822 */
823#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
824#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
825#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
826#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
827#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
828#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
829#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
830#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
831#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
832#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
833#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
834#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
835#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
836#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
837#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
838#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
839#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
840#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
841#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
842#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
843#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
844#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
845#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
846#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
847#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
848#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
849#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
850#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
851#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
852#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
853#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
854
855#define IEEE80211_MSG_ANY 0xffffffff /* anything */
856
857#define IEEE80211_MSG_BITS \
858 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
859 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
860 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
861 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
862
863#ifdef IEEE80211_DEBUG
864#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
865#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
866 if (ieee80211_msg(_vap, _m)) \
867 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
868} while (0)
869#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
870 if (ieee80211_msg(_vap, _m)) \
871 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
872} while (0)
873#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
874 if (ieee80211_msg(_vap, _m)) \
875 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
876} while (0)
877#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
878 if (ieee80211_msg(_vap, _m)) \
879 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
880} while (0)
881void ieee80211_note(const struct ieee80211vap *, const char *, ...);
882void ieee80211_note_mac(const struct ieee80211vap *,
883 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
884void ieee80211_note_frame(const struct ieee80211vap *,
885 const struct ieee80211_frame *, const char *, ...);
886#define ieee80211_msg_debug(_vap) \
887 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
888#define ieee80211_msg_dumppkts(_vap) \
889 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
890#define ieee80211_msg_input(_vap) \
891 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
892#define ieee80211_msg_radius(_vap) \
893 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
894#define ieee80211_msg_dumpradius(_vap) \
895 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
896#define ieee80211_msg_dumpradkeys(_vap) \
897 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
898#define ieee80211_msg_scan(_vap) \
899 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
900#define ieee80211_msg_assoc(_vap) \
901 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
902
903/*
904 * Emit a debug message about discarding a frame or information
905 * element. One format is for extracting the mac address from
906 * the frame header; the other is for when a header is not
907 * available or otherwise appropriate.
908 */
909#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
910 if ((_vap)->iv_debug & (_m)) \
911 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
912} while (0)
913#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
914 if ((_vap)->iv_debug & (_m)) \
915 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
916} while (0)
917#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
918 if ((_vap)->iv_debug & (_m)) \
919 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
920} while (0)
921
922void ieee80211_discard_frame(const struct ieee80211vap *,
923 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
924void ieee80211_discard_ie(const struct ieee80211vap *,
925 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
926void ieee80211_discard_mac(const struct ieee80211vap *,
927 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
928 const char *fmt, ...);
929#else
930#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
931#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
932#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
933#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
934#define ieee80211_msg_dumppkts(_vap) 0
935#define ieee80211_msg(_vap, _m) 0
936
937#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
938#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
939#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
940#endif
941
942#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 233452 2012-03-25 03:11:57Z adrian $
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 struct task ic_chw_task; /* deferred HT CHW update */
134
135 uint32_t ic_flags; /* state flags */
136 uint32_t ic_flags_ext; /* extended state flags */
137 uint32_t ic_flags_ht; /* HT state flags */
138 uint32_t ic_flags_ven; /* vendor state flags */
139 uint32_t ic_caps; /* capabilities */
140 uint32_t ic_htcaps; /* HT capabilities */
141 uint32_t ic_htextcaps; /* HT extended capabilities */
142 uint32_t ic_cryptocaps; /* crypto capabilities */
143 uint8_t ic_modecaps[2]; /* set of mode capabilities */
144 uint8_t ic_promisc; /* vap's needing promisc mode */
145 uint8_t ic_allmulti; /* vap's needing all multicast*/
146 uint8_t ic_nrunning; /* vap's marked running */
147 uint8_t ic_curmode; /* current mode */
148 uint16_t ic_bintval; /* beacon interval */
149 uint16_t ic_lintval; /* listen interval */
150 uint16_t ic_holdover; /* PM hold over duration */
151 uint16_t ic_txpowlimit; /* global tx power limit */
152 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
153
154 /*
155 * Channel state:
156 *
157 * ic_channels is the set of available channels for the device;
158 * it is setup by the driver
159 * ic_nchans is the number of valid entries in ic_channels
160 * ic_chan_avail is a bit vector of these channels used to check
161 * whether a channel is available w/o searching the channel table.
162 * ic_chan_active is a (potentially) constrained subset of
163 * ic_chan_avail that reflects any mode setting or user-specified
164 * limit on the set of channels to use/scan
165 * ic_curchan is the current channel the device is set to; it may
166 * be different from ic_bsschan when we are off-channel scanning
167 * or otherwise doing background work
168 * ic_bsschan is the channel selected for operation; it may
169 * be undefined (IEEE80211_CHAN_ANYC)
170 * ic_prevchan is a cached ``previous channel'' used to optimize
171 * lookups when switching back+forth between two channels
172 * (e.g. for dynamic turbo)
173 */
174 int ic_nchans; /* # entries in ic_channels */
175 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
176 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
177 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
178 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
179 struct ieee80211_channel *ic_curchan; /* current channel */
180 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
181 struct ieee80211_channel *ic_bsschan; /* bss channel */
182 struct ieee80211_channel *ic_prevchan; /* previous channel */
183 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
184 struct ieee80211_appie *ic_countryie; /* calculated country ie */
185 struct ieee80211_channel *ic_countryie_chan;
186
187 /* 802.11h/DFS state */
188 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
189 short ic_csa_mode; /* mode for doing CSA */
190 short ic_csa_count; /* count for doing CSA */
191 struct ieee80211_dfs_state ic_dfs; /* DFS state */
192
193 struct ieee80211_scan_state *ic_scan; /* scan state */
194 int ic_lastdata; /* time of last data frame */
195 int ic_lastscan; /* time last scan completed */
196
197 /* NB: this is the union of all vap stations/neighbors */
198 int ic_max_keyix; /* max h/w key index */
199 struct ieee80211_node_table ic_sta; /* stations/neighbors */
200 struct ieee80211_ageq ic_stageq; /* frame staging queue */
201 uint32_t ic_hash_key; /* random key for mac hash */
202
203 /* XXX multi-bss: split out common/vap parts */
204 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
205
206 /* XXX multi-bss: can per-vap be done/make sense? */
207 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
208 uint16_t ic_nonerpsta; /* # non-ERP stations */
209 uint16_t ic_longslotsta; /* # long slot time stations */
210 uint16_t ic_sta_assoc; /* stations associated */
211 uint16_t ic_ht_sta_assoc;/* HT stations associated */
212 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
213 uint8_t ic_curhtprotmode;/* HTINFO bss state */
214 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
215 int ic_lastnonerp; /* last time non-ERP sta noted*/
216 int ic_lastnonht; /* last time non-HT sta noted */
217 uint8_t ic_rxstream; /* # RX streams */
218 uint8_t ic_txstream; /* # TX streams */
219
220 /* optional state for Atheros SuperG protocol extensions */
221 struct ieee80211_superg *ic_superg;
222
223 /* radiotap handling */
224 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
225 void *ic_txchan; /* channel state in ic_th */
226 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
227 void *ic_rxchan; /* channel state in ic_rh */
228 int ic_montaps; /* active monitor mode taps */
229
230 /* virtual ap create/delete */
231 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
232 const char [IFNAMSIZ], int,
233 enum ieee80211_opmode, int,
234 const uint8_t [IEEE80211_ADDR_LEN],
235 const uint8_t [IEEE80211_ADDR_LEN]);
236 void (*ic_vap_delete)(struct ieee80211vap *);
237 /* operating mode attachment */
238 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
239 /* return hardware/radio capabilities */
240 void (*ic_getradiocaps)(struct ieee80211com *,
241 int, int *, struct ieee80211_channel []);
242 /* check and/or prepare regdomain state change */
243 int (*ic_setregdomain)(struct ieee80211com *,
244 struct ieee80211_regdomain *,
245 int, struct ieee80211_channel []);
246
247 int (*ic_set_quiet)(struct ieee80211_node *,
248 u_int8_t *quiet_elm);
249
250 /* send/recv 802.11 management frame */
251 int (*ic_send_mgmt)(struct ieee80211_node *,
252 int, int);
253 /* send raw 802.11 frame */
254 int (*ic_raw_xmit)(struct ieee80211_node *,
255 struct mbuf *,
256 const struct ieee80211_bpf_params *);
257 /* update device state for 802.11 slot time change */
258 void (*ic_updateslot)(struct ifnet *);
259 /* handle multicast state changes */
260 void (*ic_update_mcast)(struct ifnet *);
261 /* handle promiscuous mode changes */
262 void (*ic_update_promisc)(struct ifnet *);
263 /* new station association callback/notification */
264 void (*ic_newassoc)(struct ieee80211_node *, int);
265 /* TDMA update notification */
266 void (*ic_tdma_update)(struct ieee80211_node *,
267 const struct ieee80211_tdma_param *, int);
268 /* node state management */
269 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
270 const uint8_t [IEEE80211_ADDR_LEN]);
271 void (*ic_node_free)(struct ieee80211_node *);
272 void (*ic_node_cleanup)(struct ieee80211_node *);
273 void (*ic_node_age)(struct ieee80211_node *);
274 void (*ic_node_drain)(struct ieee80211_node *);
275 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
276 void (*ic_node_getsignal)(const struct ieee80211_node*,
277 int8_t *, int8_t *);
278 void (*ic_node_getmimoinfo)(
279 const struct ieee80211_node*,
280 struct ieee80211_mimo_info *);
281 /* scanning support */
282 void (*ic_scan_start)(struct ieee80211com *);
283 void (*ic_scan_end)(struct ieee80211com *);
284 void (*ic_set_channel)(struct ieee80211com *);
285 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
286 unsigned long);
287 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
288
289 /*
290 * 802.11n ADDBA support. A simple/generic implementation
291 * of A-MPDU tx aggregation is provided; the driver may
292 * override these methods to provide their own support.
293 * A-MPDU rx re-ordering happens automatically if the
294 * driver passes out-of-order frames to ieee80211_input
295 * from an assocated HT station.
296 */
297 int (*ic_recv_action)(struct ieee80211_node *,
298 const struct ieee80211_frame *,
299 const uint8_t *frm, const uint8_t *efrm);
300 int (*ic_send_action)(struct ieee80211_node *,
301 int category, int action, void *);
302 /* check if A-MPDU should be enabled this station+ac */
303 int (*ic_ampdu_enable)(struct ieee80211_node *,
304 struct ieee80211_tx_ampdu *);
305 /* start/stop doing A-MPDU tx aggregation for a station */
306 int (*ic_addba_request)(struct ieee80211_node *,
307 struct ieee80211_tx_ampdu *,
308 int dialogtoken, int baparamset,
309 int batimeout);
310 int (*ic_addba_response)(struct ieee80211_node *,
311 struct ieee80211_tx_ampdu *,
312 int status, int baparamset, int batimeout);
313 void (*ic_addba_stop)(struct ieee80211_node *,
314 struct ieee80211_tx_ampdu *);
315 void (*ic_addba_response_timeout)(struct ieee80211_node *,
316 struct ieee80211_tx_ampdu *);
317 /* BAR response received */
318 void (*ic_bar_response)(struct ieee80211_node *,
319 struct ieee80211_tx_ampdu *, int status);
320 /* start/stop doing A-MPDU rx processing for a station */
321 int (*ic_ampdu_rx_start)(struct ieee80211_node *,
322 struct ieee80211_rx_ampdu *, int baparamset,
323 int batimeout, int baseqctl);
324 void (*ic_ampdu_rx_stop)(struct ieee80211_node *,
325 struct ieee80211_rx_ampdu *);
326
327 /* The channel width has changed (20<->2040) */
328 void (*ic_update_chw)(struct ieee80211com *);
329
330 uint64_t ic_spare[7];
331};
332
333struct ieee80211_aclator;
334struct ieee80211_tdma_state;
335struct ieee80211_mesh_state;
336struct ieee80211_hwmp_state;
337
338struct ieee80211vap {
339 struct ifmedia iv_media; /* interface media config */
340 struct ifnet *iv_ifp; /* associated device */
341 struct bpf_if *iv_rawbpf; /* packet filter structure */
342 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
343 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
344
345 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
346 struct ieee80211com *iv_ic; /* back ptr to common state */
347 uint32_t iv_debug; /* debug msg flags */
348 struct ieee80211_stats iv_stats; /* statistics */
349
350 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
351 uint32_t iv_flags; /* state flags */
352 uint32_t iv_flags_ext; /* extended state flags */
353 uint32_t iv_flags_ht; /* HT state flags */
354 uint32_t iv_flags_ven; /* vendor state flags */
355 uint32_t iv_caps; /* capabilities */
356 uint32_t iv_htcaps; /* HT capabilities */
357 uint32_t iv_htextcaps; /* HT extended capabilities */
358 enum ieee80211_opmode iv_opmode; /* operation mode */
359 enum ieee80211_state iv_state; /* state machine state */
360 enum ieee80211_state iv_nstate; /* pending state */
361 int iv_nstate_arg; /* pending state arg */
362 struct task iv_nstate_task; /* deferred state processing */
363 struct task iv_swbmiss_task;/* deferred iv_bmiss call */
364 struct callout iv_mgtsend; /* mgmt frame response timer */
365 /* inactivity timer settings */
366 int iv_inact_init; /* setting for new station */
367 int iv_inact_auth; /* auth but not assoc setting */
368 int iv_inact_run; /* authorized setting */
369 int iv_inact_probe; /* inactive probe time */
370
371 int iv_des_nssid; /* # desired ssids */
372 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
373 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
374 struct ieee80211_channel *iv_des_chan; /* desired channel */
375 uint16_t iv_des_mode; /* desired mode */
376 int iv_nicknamelen; /* XXX junk */
377 uint8_t iv_nickname[IEEE80211_NWID_LEN];
378 u_int iv_bgscanidle; /* bg scan idle threshold */
379 u_int iv_bgscanintvl; /* bg scan min interval */
380 u_int iv_scanvalid; /* scan cache valid threshold */
381 u_int iv_scanreq_duration;
382 u_int iv_scanreq_mindwell;
383 u_int iv_scanreq_maxdwell;
384 uint16_t iv_scanreq_flags;/* held scan request params */
385 uint8_t iv_scanreq_nssid;
386 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
387 /* sta-mode roaming state */
388 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
389 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
390
391 uint8_t iv_bmissthreshold;
392 uint8_t iv_bmiss_count; /* current beacon miss count */
393 int iv_bmiss_max; /* max bmiss before scan */
394 uint16_t iv_swbmiss_count;/* beacons in last period */
395 uint16_t iv_swbmiss_period;/* s/w bmiss period */
396 struct callout iv_swbmiss; /* s/w beacon miss timer */
397
398 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
399 int iv_ampdu_density;/* A-MPDU density */
400 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
401 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
402 u_int iv_ampdu_mintraffic[WME_NUM_AC];
403
404 uint32_t *iv_aid_bitmap; /* association id map */
405 uint16_t iv_max_aid;
406 uint16_t iv_sta_assoc; /* stations associated */
407 uint16_t iv_ps_sta; /* stations in power save */
408 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
409 uint16_t iv_txseq; /* mcast xmit seq# space */
410 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
411 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
412 uint8_t iv_dtim_period; /* DTIM period */
413 uint8_t iv_dtim_count; /* DTIM count from last bcn */
414 /* set/unset aid pwrsav state */
415 uint8_t iv_quiet; /* Quiet Element */
416 uint8_t iv_quiet_count; /* constant count for Quiet Element */
417 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */
418 uint8_t iv_quiet_period; /* period for Quiet Element */
419 uint16_t iv_quiet_duration; /* duration for Quiet Element */
420 uint16_t iv_quiet_offset; /* offset for Quiet Element */
421 int iv_csa_count; /* count for doing CSA */
422
423 struct ieee80211_node *iv_bss; /* information for this node */
424 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
425 uint16_t iv_rtsthreshold;
426 uint16_t iv_fragthreshold;
427 int iv_inact_timer; /* inactivity timer wait */
428 /* application-specified IE's to attach to mgt frames */
429 struct ieee80211_appie *iv_appie_beacon;
430 struct ieee80211_appie *iv_appie_probereq;
431 struct ieee80211_appie *iv_appie_proberesp;
432 struct ieee80211_appie *iv_appie_assocreq;
433 struct ieee80211_appie *iv_appie_assocresp;
434 struct ieee80211_appie *iv_appie_wpa;
435 uint8_t *iv_wpa_ie;
436 uint8_t *iv_rsn_ie;
437 uint16_t iv_max_keyix; /* max h/w key index */
438 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
439 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
440 int (*iv_key_alloc)(struct ieee80211vap *,
441 struct ieee80211_key *,
442 ieee80211_keyix *, ieee80211_keyix *);
443 int (*iv_key_delete)(struct ieee80211vap *,
444 const struct ieee80211_key *);
445 int (*iv_key_set)(struct ieee80211vap *,
446 const struct ieee80211_key *,
447 const uint8_t mac[IEEE80211_ADDR_LEN]);
448 void (*iv_key_update_begin)(struct ieee80211vap *);
449 void (*iv_key_update_end)(struct ieee80211vap *);
450
451 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
452 void *iv_ec; /* private auth state */
453
454 const struct ieee80211_aclator *iv_acl; /* acl glue */
455 void *iv_as; /* private aclator state */
456
457 const struct ieee80211_ratectl *iv_rate;
458 void *iv_rs; /* private ratectl state */
459
460 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
461 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */
462 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */
463
464 /* operate-mode detach hook */
465 void (*iv_opdetach)(struct ieee80211vap *);
466 /* receive processing */
467 int (*iv_input)(struct ieee80211_node *,
468 struct mbuf *, int, int);
469 void (*iv_recv_mgmt)(struct ieee80211_node *,
470 struct mbuf *, int, int, int);
471 void (*iv_recv_ctl)(struct ieee80211_node *,
472 struct mbuf *, int);
473 void (*iv_deliver_data)(struct ieee80211vap *,
474 struct ieee80211_node *, struct mbuf *);
475#if 0
476 /* send processing */
477 int (*iv_send_mgmt)(struct ieee80211_node *,
478 int, int);
479#endif
480 /* beacon miss processing */
481 void (*iv_bmiss)(struct ieee80211vap *);
482 /* reset device state after 802.11 parameter/state change */
483 int (*iv_reset)(struct ieee80211vap *, u_long);
484 /* [schedule] beacon frame update */
485 void (*iv_update_beacon)(struct ieee80211vap *, int);
486 /* power save handling */
487 void (*iv_update_ps)(struct ieee80211vap *, int);
488 int (*iv_set_tim)(struct ieee80211_node *, int);
489 /* state machine processing */
490 int (*iv_newstate)(struct ieee80211vap *,
491 enum ieee80211_state, int);
492 /* 802.3 output method for raw frame xmit */
493 int (*iv_output)(struct ifnet *, struct mbuf *,
494 struct sockaddr *, struct route *);
495 uint64_t iv_spare[6];
496};
497MALLOC_DECLARE(M_80211_VAP);
498
499#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
500#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
501
502/* ic_flags/iv_flags */
503#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
504#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
505#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
506#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
507/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
508#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
509#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
510#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
511#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
512#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
513/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
514#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
515#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
516#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
517#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
518#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
519#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
520#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
521#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
522#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
523#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
524#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
525#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
526#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
527#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
528#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
529#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
530#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
531#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
532#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
533#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
534#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
535#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
536#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
537
538#define IEEE80211_F_BITS \
539 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
540 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
541 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
542 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
543 "\37DOTH\40DWDS"
544
545/* Atheros protocol-specific flags */
546#define IEEE80211_F_ATHEROS \
547 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
548/* Check if an Atheros capability was negotiated for use */
549#define IEEE80211_ATH_CAP(vap, ni, bit) \
550 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
551
552/* ic_flags_ext/iv_flags_ext */
553#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
554#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
555/* 0x00000006 reserved */
556#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
557#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
558#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
559#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
560#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
561#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */
562#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
563#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
564#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
565#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
566#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */
567#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */
568#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */
569/* NB: immutable: should be set only when creating a vap */
570#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
571#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
572#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */
573
574#define IEEE80211_FEXT_BITS \
575 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
576 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
577 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
578
579/* ic_flags_ht/iv_flags_ht */
580#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
581#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */
582#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */
583#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
584#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */
585#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
586#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */
587#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
588#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
589#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
590#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
591#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
592#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */
593#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */
594#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */
595
596#define IEEE80211_FHT_BITS \
597 "\20\1NONHT_PR" \
598 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
599 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
600 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
601
602#define IEEE80211_FVEN_BITS "\20"
603
604/* ic_caps/iv_caps: device driver capabilities */
605/* 0x2e available */
606#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
607#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
608#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
609#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
610#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
611#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
612#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
613#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
614#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
615#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
616#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
617#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
618#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
619#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
620#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
621/* 0x7c0000 available */
622#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
623#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
624#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
625#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
626#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
627#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
628/* 0x10000000 reserved */
629#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
630#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
631#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
632/* XXX protection/barker? */
633
634#define IEEE80211_C_OPMODE \
635 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
636 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
637 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
638
639#define IEEE80211_C_BITS \
640 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
641 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
642 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
643 "\37TXFRAG\40TDMA"
644
645/*
646 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
647 *
648 * NB: the low 16-bits are the 802.11 definitions, the upper
649 * 16-bits are used to define s/w/driver capabilities.
650 */
651#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
652#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
653/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
654#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
655#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
656#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
657#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
658#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
659#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
660#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */
661
662#define IEEE80211_C_HTCAP_BITS \
663 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
664 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
665
666void ieee80211_ifattach(struct ieee80211com *,
667 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
668void ieee80211_ifdetach(struct ieee80211com *);
669int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
670 const char name[IFNAMSIZ], int unit,
671 enum ieee80211_opmode opmode, int flags,
672 const uint8_t bssid[IEEE80211_ADDR_LEN],
673 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
674int ieee80211_vap_attach(struct ieee80211vap *,
675 ifm_change_cb_t, ifm_stat_cb_t);
676void ieee80211_vap_detach(struct ieee80211vap *);
677const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
678 const struct ieee80211_channel *);
679void ieee80211_announce(struct ieee80211com *);
680void ieee80211_announce_channels(struct ieee80211com *);
681void ieee80211_drain(struct ieee80211com *);
682void ieee80211_media_init(struct ieee80211com *);
683struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
684int ieee80211_media_change(struct ifnet *);
685void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
686int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
687int ieee80211_rate2media(struct ieee80211com *, int,
688 enum ieee80211_phymode);
689int ieee80211_media2rate(int);
690int ieee80211_mhz2ieee(u_int, u_int);
691int ieee80211_chan2ieee(struct ieee80211com *,
692 const struct ieee80211_channel *);
693u_int ieee80211_ieee2mhz(u_int, u_int);
694struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
695 int freq, int flags);
696struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
697 int ieee, int flags);
698int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
699enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
700uint32_t ieee80211_mac_hash(const struct ieee80211com *,
701 const uint8_t addr[IEEE80211_ADDR_LEN]);
702
703void ieee80211_radiotap_attach(struct ieee80211com *,
704 struct ieee80211_radiotap_header *th, int tlen,
705 uint32_t tx_radiotap,
706 struct ieee80211_radiotap_header *rh, int rlen,
707 uint32_t rx_radiotap);
708void ieee80211_radiotap_detach(struct ieee80211com *);
709void ieee80211_radiotap_vattach(struct ieee80211vap *);
710void ieee80211_radiotap_vdetach(struct ieee80211vap *);
711void ieee80211_radiotap_chan_change(struct ieee80211com *);
712void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
713void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
714void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
715
716static __inline int
717ieee80211_radiotap_active(const struct ieee80211com *ic)
718{
719 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
720}
721
722static __inline int
723ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
724{
725 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
726 vap->iv_ic->ic_montaps != 0;
727}
728
729/*
730 * Enqueue a task on the state thread.
731 */
732static __inline void
733ieee80211_runtask(struct ieee80211com *ic, struct task *task)
734{
735 taskqueue_enqueue(ic->ic_tq, task);
736}
737
738/*
739 * Wait for a queued task to complete.
740 */
741static __inline void
742ieee80211_draintask(struct ieee80211com *ic, struct task *task)
743{
744 taskqueue_drain(ic->ic_tq, task);
745}
746
747/*
748 * Key update synchronization methods. XXX should not be visible.
749 */
750static __inline void
751ieee80211_key_update_begin(struct ieee80211vap *vap)
752{
753 vap->iv_key_update_begin(vap);
754}
755static __inline void
756ieee80211_key_update_end(struct ieee80211vap *vap)
757{
758 vap->iv_key_update_end(vap);
759}
760
761/*
762 * XXX these need to be here for IEEE80211_F_DATAPAD
763 */
764
765/*
766 * Return the space occupied by the 802.11 header and any
767 * padding required by the driver. This works for a
768 * management or data frame.
769 */
770static __inline int
771ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
772{
773 int size = ieee80211_hdrsize(data);
774 if (ic->ic_flags & IEEE80211_F_DATAPAD)
775 size = roundup(size, sizeof(uint32_t));
776 return size;
777}
778
779/*
780 * Like ieee80211_hdrspace, but handles any type of frame.
781 */
782static __inline int
783ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
784{
785 int size = ieee80211_anyhdrsize(data);
786 if (ic->ic_flags & IEEE80211_F_DATAPAD)
787 size = roundup(size, sizeof(uint32_t));
788 return size;
789}
790
791/*
792 * Notify a vap that beacon state has been updated.
793 */
794static __inline void
795ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
796{
797 if (vap->iv_state == IEEE80211_S_RUN)
798 vap->iv_update_beacon(vap, what);
799}
800
801/*
802 * Calculate HT channel promotion flags for a channel.
803 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
804 */
805static __inline int
806ieee80211_htchanflags(const struct ieee80211_channel *c)
807{
808 return IEEE80211_IS_CHAN_HT40(c) ?
809 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
810 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0;
811}
812
813/*
814 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
815 *
816 * The intent is that any problem in the net80211 layer can be
817 * diagnosed by inspecting the statistics (dumped by the wlanstats
818 * program) and/or the msgs generated by net80211. Messages are
819 * broken into functional classes and can be controlled with the
820 * wlandebug program. Certain of these msg groups are for facilities
821 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
822 */
823#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
824#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
825#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
826#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
827#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
828#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
829#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
830#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
831#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
832#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
833#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
834#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
835#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
836#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
837#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
838#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
839#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
840#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
841#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
842#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
843#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
844#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
845#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
846#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
847#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
848#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
849#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
850#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
851#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
852#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
853#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
854
855#define IEEE80211_MSG_ANY 0xffffffff /* anything */
856
857#define IEEE80211_MSG_BITS \
858 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
859 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
860 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
861 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
862
863#ifdef IEEE80211_DEBUG
864#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
865#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
866 if (ieee80211_msg(_vap, _m)) \
867 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
868} while (0)
869#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
870 if (ieee80211_msg(_vap, _m)) \
871 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
872} while (0)
873#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
874 if (ieee80211_msg(_vap, _m)) \
875 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
876} while (0)
877#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
878 if (ieee80211_msg(_vap, _m)) \
879 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
880} while (0)
881void ieee80211_note(const struct ieee80211vap *, const char *, ...);
882void ieee80211_note_mac(const struct ieee80211vap *,
883 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
884void ieee80211_note_frame(const struct ieee80211vap *,
885 const struct ieee80211_frame *, const char *, ...);
886#define ieee80211_msg_debug(_vap) \
887 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
888#define ieee80211_msg_dumppkts(_vap) \
889 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
890#define ieee80211_msg_input(_vap) \
891 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
892#define ieee80211_msg_radius(_vap) \
893 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
894#define ieee80211_msg_dumpradius(_vap) \
895 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
896#define ieee80211_msg_dumpradkeys(_vap) \
897 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
898#define ieee80211_msg_scan(_vap) \
899 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
900#define ieee80211_msg_assoc(_vap) \
901 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
902
903/*
904 * Emit a debug message about discarding a frame or information
905 * element. One format is for extracting the mac address from
906 * the frame header; the other is for when a header is not
907 * available or otherwise appropriate.
908 */
909#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
910 if ((_vap)->iv_debug & (_m)) \
911 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
912} while (0)
913#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
914 if ((_vap)->iv_debug & (_m)) \
915 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
916} while (0)
917#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
918 if ((_vap)->iv_debug & (_m)) \
919 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
920} while (0)
921
922void ieee80211_discard_frame(const struct ieee80211vap *,
923 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
924void ieee80211_discard_ie(const struct ieee80211vap *,
925 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
926void ieee80211_discard_mac(const struct ieee80211vap *,
927 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
928 const char *fmt, ...);
929#else
930#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
931#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
932#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
933#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
934#define ieee80211_msg_dumppkts(_vap) 0
935#define ieee80211_msg(_vap, _m) 0
936
937#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
938#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
939#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
940#endif
941
942#endif /* _NET80211_IEEE80211_VAR_H_ */