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 190532 2009-03-29 21:17:08Z sam $
| 26 * $FreeBSD: head/sys/net80211/ieee80211_var.h 190577 2009-03-30 21:41:06Z rpaulo $
|
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#ifdef __NetBSD__
36#include <net80211/ieee80211_netbsd.h>
37#elif __FreeBSD__
38#include <net80211/ieee80211_freebsd.h>
39#elif __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_crypto.h>
48#include <net80211/ieee80211_dfs.h>
49#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
50#include <net80211/ieee80211_phy.h>
51#include <net80211/ieee80211_power.h>
52#include <net80211/ieee80211_node.h>
53#include <net80211/ieee80211_proto.h>
54#include <net80211/ieee80211_scan.h>
55
56#define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */
57#define IEEE80211_TXPOWER_MIN 0 /* kill radio */
58
59#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
60#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
61
62#define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
63#define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
64
65#define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
66#define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
67
68#define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
69#define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
70
71#define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
72#define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
73
74#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
75#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
76
77#define IEEE80211_FIXED_RATE_NONE 0xff
78#define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
79
80#define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
81#define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
82
83#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
84#define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
85#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
86
87/*
88 * 802.11 control state is split into a common portion that maps
89 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
90 * that are bound to an ieee80211com instance and share a single
91 * underlying device. Each VAP has a corresponding OS device
92 * entity through which traffic flows and that applications use
93 * for issuing ioctls, etc.
94 */
95
96/*
97 * Data common to one or more virtual AP's. State shared by
98 * the underlying device and the net80211 layer is exposed here;
99 * e.g. device-specific callbacks.
100 */
101struct ieee80211vap;
102typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
103
104struct ieee80211_appie {
105 uint16_t ie_len; /* size of ie_data */
106 uint8_t ie_data[]; /* user-specified IE's */
107};
108
109struct ieee80211_tdma_param;
110
111struct ieee80211com {
112 struct ifnet *ic_ifp; /* associated device */
113 ieee80211_com_lock_t ic_comlock; /* state update lock */
114 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
115 int ic_headroom; /* driver tx headroom needs */
116 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
117 enum ieee80211_opmode ic_opmode; /* operation mode */
118 struct ifmedia ic_media; /* interface media config */
119 struct callout ic_inact; /* inactivity processing */
120 struct task ic_parent_task; /* deferred parent processing */
121
122 uint32_t ic_flags; /* state flags */
123 uint32_t ic_flags_ext; /* extended state flags */
124 uint32_t ic_flags_ven; /* vendor state flags */
125 uint32_t ic_caps; /* capabilities */
126 uint32_t ic_htcaps; /* HT capabilities */
127 uint32_t ic_cryptocaps; /* crypto capabilities */
128 uint8_t ic_modecaps[2]; /* set of mode capabilities */
129 uint8_t ic_promisc; /* vap's needing promisc mode */
130 uint8_t ic_allmulti; /* vap's needing all multicast*/
131 uint8_t ic_nrunning; /* vap's marked running */
132 uint8_t ic_curmode; /* current mode */
133 uint16_t ic_bintval; /* beacon interval */
134 uint16_t ic_lintval; /* listen interval */
135 uint16_t ic_holdover; /* PM hold over duration */
136 uint16_t ic_txpowlimit; /* global tx power limit */
137 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
138
139 /*
140 * Channel state:
141 *
142 * ic_channels is the set of available channels for the device;
143 * it is setup by the driver
144 * ic_nchans is the number of valid entries in ic_channels
145 * ic_chan_avail is a bit vector of these channels used to check
146 * whether a channel is available w/o searching the channel table.
147 * ic_chan_active is a (potentially) constrained subset of
148 * ic_chan_avail that reflects any mode setting or user-specified
149 * limit on the set of channels to use/scan
150 * ic_curchan is the current channel the device is set to; it may
151 * be different from ic_bsschan when we are off-channel scanning
152 * or otherwise doing background work
153 * ic_bsschan is the channel selected for operation; it may
154 * be undefined (IEEE80211_CHAN_ANYC)
155 * ic_prevchan is a cached ``previous channel'' used to optimize
156 * lookups when switching back+forth between two channels
157 * (e.g. for dynamic turbo)
158 */
159 int ic_nchans; /* # entries in ic_channels */
160 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
161 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
162 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
163 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
164 struct ieee80211_channel *ic_curchan; /* current channel */
165 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
166 struct ieee80211_channel *ic_bsschan; /* bss channel */
167 struct ieee80211_channel *ic_prevchan; /* previous channel */
168 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
169 struct ieee80211_appie *ic_countryie; /* calculated country ie */
170 struct ieee80211_channel *ic_countryie_chan;
171
172 /* 802.11h/DFS state */
173 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
174 int ic_csa_count; /* count for doing CSA */
175 struct ieee80211_dfs_state ic_dfs; /* DFS state */
176
177 struct ieee80211_scan_state *ic_scan; /* scan state */
178 int ic_lastdata; /* time of last data frame */
179 int ic_lastscan; /* time last scan completed */
180
181 /* NB: this is the union of all vap stations/neighbors */
182 int ic_max_keyix; /* max h/w key index */
183 struct ieee80211_node_table ic_sta; /* stations/neighbors */
184
185 /* XXX multi-bss: split out common/vap parts */
186 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
187
188 /* XXX multi-bss: can per-vap be done/make sense? */
189 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
190 uint16_t ic_nonerpsta; /* # non-ERP stations */
191 uint16_t ic_longslotsta; /* # long slot time stations */
192 uint16_t ic_sta_assoc; /* stations associated */
193 uint16_t ic_ht_sta_assoc;/* HT stations associated */
194 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
195 uint8_t ic_curhtprotmode;/* HTINFO bss state */
196 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
197 int ic_lastnonerp; /* last time non-ERP sta noted*/
198 int ic_lastnonht; /* last time non-HT sta noted */
199
200 /* virtual ap create/delete */
201 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
202 const char name[IFNAMSIZ], int unit,
203 int opmode, int flags,
204 const uint8_t bssid[IEEE80211_ADDR_LEN],
205 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
206 void (*ic_vap_delete)(struct ieee80211vap *);
207 /* operating mode attachment */
208 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
209 /* return hardware/radio capabilities */
210 void (*ic_getradiocaps)(struct ieee80211com *,
211 int, int *, struct ieee80211_channel []);
212 /* check and/or prepare regdomain state change */
213 int (*ic_setregdomain)(struct ieee80211com *,
214 struct ieee80211_regdomain *,
215 int, struct ieee80211_channel []);
216 /* send/recv 802.11 management frame */
217 int (*ic_send_mgmt)(struct ieee80211_node *,
218 int, int);
219 /* send raw 802.11 frame */
220 int (*ic_raw_xmit)(struct ieee80211_node *,
221 struct mbuf *,
222 const struct ieee80211_bpf_params *);
223 /* update device state for 802.11 slot time change */
224 void (*ic_updateslot)(struct ifnet *);
225 /* handle multicast state changes */
226 void (*ic_update_mcast)(struct ifnet *);
227 /* handle promiscuous mode changes */
228 void (*ic_update_promisc)(struct ifnet *);
229 /* new station association callback/notification */
230 void (*ic_newassoc)(struct ieee80211_node *, int);
231 /* TDMA update notification */
232 void (*ic_tdma_update)(struct ieee80211_node *,
233 const struct ieee80211_tdma_param *, int);
234 /* node state management */
235 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
236 const uint8_t [IEEE80211_ADDR_LEN]);
237 void (*ic_node_free)(struct ieee80211_node *);
238 void (*ic_node_cleanup)(struct ieee80211_node *);
239 void (*ic_node_age)(struct ieee80211_node *);
240 void (*ic_node_drain)(struct ieee80211_node *);
241 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
242 void (*ic_node_getsignal)(const struct ieee80211_node*,
243 int8_t *, int8_t *);
244 void (*ic_node_getmimoinfo)(
245 const struct ieee80211_node*,
246 struct ieee80211_mimo_info *);
247 /* scanning support */
248 void (*ic_scan_start)(struct ieee80211com *);
249 void (*ic_scan_end)(struct ieee80211com *);
250 void (*ic_set_channel)(struct ieee80211com *);
251 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
252 unsigned long);
253 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
254
255 /*
256 * 802.11n ADDBA support. A simple/generic implementation
257 * of A-MPDU tx aggregation is provided; the driver may
258 * override these methods to provide their own support.
259 * A-MPDU rx re-ordering happens automatically if the
260 * driver passes out-of-order frames to ieee80211_input
261 * from an assocated HT station.
262 */
263 void (*ic_recv_action)(struct ieee80211_node *,
264 const uint8_t *frm, const uint8_t *efrm);
265 int (*ic_send_action)(struct ieee80211_node *,
266 int category, int action,
267 uint16_t args[4]);
268 /* check if A-MPDU should be enabled this station+ac */
269 int (*ic_ampdu_enable)(struct ieee80211_node *,
270 struct ieee80211_tx_ampdu *);
271 /* start/stop doing A-MPDU tx aggregation for a station */
272 int (*ic_addba_request)(struct ieee80211_node *,
273 struct ieee80211_tx_ampdu *,
274 int dialogtoken, int baparamset,
275 int batimeout);
276 int (*ic_addba_response)(struct ieee80211_node *,
277 struct ieee80211_tx_ampdu *,
278 int status, int baparamset, int batimeout);
279 void (*ic_addba_stop)(struct ieee80211_node *,
280 struct ieee80211_tx_ampdu *);
281 /* BAR response received */
282 void (*ic_bar_response)(struct ieee80211_node *,
283 struct ieee80211_tx_ampdu *, int status);
284};
285
286struct ieee80211_aclator;
287struct ieee80211_tdma_state;
288
289struct ieee80211vap {
290 struct ifmedia iv_media; /* interface media config */
291 struct ifnet *iv_ifp; /* associated device */
292 struct bpf_if *iv_rawbpf; /* packet filter structure */
293 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
294 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
295
296 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
297 struct ieee80211com *iv_ic; /* back ptr to common state */
298 uint32_t iv_debug; /* debug msg flags */
299 struct ieee80211_stats iv_stats; /* statistics */
300
301 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
302 uint32_t iv_flags; /* state flags */
303 uint32_t iv_flags_ext; /* extended state flags */
304 uint32_t iv_flags_ven; /* vendor state flags */
305 uint32_t iv_caps; /* capabilities */
306 uint32_t iv_htcaps; /* HT capabilities */
307 enum ieee80211_opmode iv_opmode; /* operation mode */
308 enum ieee80211_state iv_state; /* state machine state */
309 void (*iv_newstate_cb)(struct ieee80211vap *,
310 enum ieee80211_state, int);
311 struct callout iv_mgtsend; /* mgmt frame response timer */
312 /* inactivity timer settings */
313 int iv_inact_init; /* setting for new station */
314 int iv_inact_auth; /* auth but not assoc setting */
315 int iv_inact_run; /* authorized setting */
316 int iv_inact_probe; /* inactive probe time */
317
318 int iv_des_nssid; /* # desired ssids */
319 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
320 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
321 struct ieee80211_channel *iv_des_chan; /* desired channel */
322 uint16_t iv_des_mode; /* desired mode */
323 int iv_nicknamelen; /* XXX junk */
324 uint8_t iv_nickname[IEEE80211_NWID_LEN];
325 u_int iv_bgscanidle; /* bg scan idle threshold */
326 u_int iv_bgscanintvl; /* bg scan min interval */
327 u_int iv_scanvalid; /* scan cache valid threshold */
328 u_int iv_scanreq_duration;
329 u_int iv_scanreq_mindwell;
330 u_int iv_scanreq_maxdwell;
331 uint16_t iv_scanreq_flags;/* held scan request params */
332 uint8_t iv_scanreq_nssid;
333 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
334 /* sta-mode roaming state */
335 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
336 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
337
338 uint8_t iv_bmissthreshold;
339 uint8_t iv_bmiss_count; /* current beacon miss count */
340 int iv_bmiss_max; /* max bmiss before scan */
341 uint16_t iv_swbmiss_count;/* beacons in last period */
342 uint16_t iv_swbmiss_period;/* s/w bmiss period */
343 struct callout iv_swbmiss; /* s/w beacon miss timer */
344
345 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
346 int iv_ampdu_density;/* A-MPDU density */
347 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
348 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
349 u_int iv_ampdu_mintraffic[WME_NUM_AC];
350
351 uint32_t *iv_aid_bitmap; /* association id map */
352 uint16_t iv_max_aid;
353 uint16_t iv_sta_assoc; /* stations associated */
354 uint16_t iv_ps_sta; /* stations in power save */
355 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
356 uint16_t iv_txseq; /* mcast xmit seq# space */
357 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
358 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
359 uint8_t iv_dtim_period; /* DTIM period */
360 uint8_t iv_dtim_count; /* DTIM count from last bcn */
361 /* set/unset aid pwrsav state */
362 int iv_csa_count; /* count for doing CSA */
363
364 struct ieee80211_node *iv_bss; /* information for this node */
365 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
366 uint16_t iv_rtsthreshold;
367 uint16_t iv_fragthreshold;
368 int iv_inact_timer; /* inactivity timer wait */
369 /* application-specified IE's to attach to mgt frames */
370 struct ieee80211_appie *iv_appie_beacon;
371 struct ieee80211_appie *iv_appie_probereq;
372 struct ieee80211_appie *iv_appie_proberesp;
373 struct ieee80211_appie *iv_appie_assocreq;
374 struct ieee80211_appie *iv_appie_assocresp;
375 struct ieee80211_appie *iv_appie_wpa;
376 uint8_t *iv_wpa_ie;
377 uint8_t *iv_rsn_ie;
378 uint16_t iv_max_keyix; /* max h/w key index */
379 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
380 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
381 int (*iv_key_alloc)(struct ieee80211vap *,
382 struct ieee80211_key *,
383 ieee80211_keyix *, ieee80211_keyix *);
384 int (*iv_key_delete)(struct ieee80211vap *,
385 const struct ieee80211_key *);
386 int (*iv_key_set)(struct ieee80211vap *,
387 const struct ieee80211_key *,
388 const uint8_t mac[IEEE80211_ADDR_LEN]);
389 void (*iv_key_update_begin)(struct ieee80211vap *);
390 void (*iv_key_update_end)(struct ieee80211vap *);
391
392 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
393 void *iv_ec; /* private auth state */
394
395 const struct ieee80211_aclator *iv_acl; /* acl glue */
396 void *iv_as; /* private aclator state */
397
398 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
399
400 /* operate-mode detach hook */
401 void (*iv_opdetach)(struct ieee80211vap *);
402 /* receive processing */
403 int (*iv_input)(struct ieee80211_node *,
404 struct mbuf *, int rssi, int noise,
405 uint32_t rstamp);
406 void (*iv_recv_mgmt)(struct ieee80211_node *,
407 struct mbuf *, int, int, int, uint32_t);
408 void (*iv_deliver_data)(struct ieee80211vap *,
409 struct ieee80211_node *, struct mbuf *);
410#if 0
411 /* send processing */
412 int (*iv_send_mgmt)(struct ieee80211_node *,
413 int, int);
414#endif
415 /* beacon miss processing */
416 void (*iv_bmiss)(struct ieee80211vap *);
417 /* reset device state after 802.11 parameter/state change */
418 int (*iv_reset)(struct ieee80211vap *, u_long);
419 /* [schedule] beacon frame update */
420 void (*iv_update_beacon)(struct ieee80211vap *, int);
421 /* power save handling */
422 void (*iv_update_ps)(struct ieee80211vap *, int);
423 int (*iv_set_tim)(struct ieee80211_node *, int);
424 /* state machine processing */
425 int (*iv_newstate)(struct ieee80211vap *,
426 enum ieee80211_state, int);
427 /* 802.3 output method for raw frame xmit */
428 int (*iv_output)(struct ifnet *, struct mbuf *,
429 struct sockaddr *, struct rtentry *);
430};
431MALLOC_DECLARE(M_80211_VAP);
432
433#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
434#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
435
436/* ic_flags/iv_flags */
437#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
438#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
439#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
440#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
441/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
442#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
443#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
444#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
445#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
446#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
447/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
448#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
449#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
450#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
451#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
452#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
453#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
454#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
455#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
456#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
457#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
458#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
459#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
460#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
461#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
462#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
463#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
464#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
465#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
466#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
467#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
468#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
469#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
470#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
471
472#define IEEE80211_F_BITS \
473 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
474 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
475 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
476 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
477 "\37DOTH\40DWDS"
478
479/* Atheros protocol-specific flags */
480#define IEEE80211_F_ATHEROS \
481 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
482/* Check if an Atheros capability was negotiated for use */
483#define IEEE80211_ATH_CAP(vap, ni, bit) \
484 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
485
486/* ic_flags_ext/iv_flags_ext */
487#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
488#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
489#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
490/* 0x00000006 reserved */
491#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
492#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
493#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
494#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
495#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
496#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
497#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
498#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
499#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
500/* NB: immutable: should be set only when creating a vap */
501#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
502#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
503#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */
504#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
505#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */
506#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
507#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */
508#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
509#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
510#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
511#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
512#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
513#define IEEE80211_FEXT_RIFS 0x20000000 /* CONF: RIFS enabled */
514
515#define IEEE80211_FEXT_BITS \
516 "\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
517 "\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
518 "\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
519 "\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
520
521#define IEEE80211_FVEN_BITS "\20"
522
523/* ic_caps/iv_caps: device driver capabilities */
524/* 0x2f available */
525#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
526#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
527#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
528#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
529#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
530#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
531#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
532#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
533#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
534#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
535#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
536#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
537#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
538/* 0x7c0000 available */
539#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
540#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
541#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
542#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
543#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
544#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
545/* 0x10000000 reserved */
546#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
547#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
548#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
549/* XXX protection/barker? */
550
551#define IEEE80211_C_OPMODE \
552 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
553 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
554 IEEE80211_C_TDMA)
555
556#define IEEE80211_C_BITS \
557 "\20\1STA\7FF\10TURBOP\11IBSS\12PMGT" \
558 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
559 "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
560 "\37TXFRAG\40TDMA"
561
562/*
563 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
564 *
565 * NB: the low 16-bits are the 802.11 definitions, the upper
566 * 16-bits are used to define s/w/driver capabilities.
567 */
568#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
569#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
570/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
571#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
572#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
573#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
574
575#define IEEE80211_C_HTCAP_BITS \
576 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
577 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
578
579void ieee80211_ifattach(struct ieee80211com *,
580 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
581void ieee80211_ifdetach(struct ieee80211com *);
582int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
583 const char name[IFNAMSIZ], int unit, int opmode, int flags,
584 const uint8_t bssid[IEEE80211_ADDR_LEN],
585 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
586int ieee80211_vap_attach(struct ieee80211vap *,
587 ifm_change_cb_t, ifm_stat_cb_t);
588void ieee80211_vap_detach(struct ieee80211vap *);
589const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
590 const struct ieee80211_channel *);
591void ieee80211_announce(struct ieee80211com *);
592void ieee80211_announce_channels(struct ieee80211com *);
593void ieee80211_drain(struct ieee80211com *);
594void ieee80211_media_init(struct ieee80211com *);
595struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
596int ieee80211_media_change(struct ifnet *);
597void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
598int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
599int ieee80211_rate2media(struct ieee80211com *, int,
600 enum ieee80211_phymode);
601int ieee80211_media2rate(int);
602int ieee80211_mhz2ieee(u_int, u_int);
603int ieee80211_chan2ieee(struct ieee80211com *,
604 const struct ieee80211_channel *);
605u_int ieee80211_ieee2mhz(u_int, u_int);
606struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
607 int freq, int flags);
608struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
609 int ieee, int flags);
610int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
611enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
612
613/*
614 * Key update synchronization methods. XXX should not be visible.
615 */
616static __inline void
617ieee80211_key_update_begin(struct ieee80211vap *vap)
618{
619 vap->iv_key_update_begin(vap);
620}
621static __inline void
622ieee80211_key_update_end(struct ieee80211vap *vap)
623{
624 vap->iv_key_update_end(vap);
625}
626
627/*
628 * XXX these need to be here for IEEE80211_F_DATAPAD
629 */
630
631/*
632 * Return the space occupied by the 802.11 header and any
633 * padding required by the driver. This works for a
634 * management or data frame.
635 */
636static __inline int
637ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
638{
639 int size = ieee80211_hdrsize(data);
640 if (ic->ic_flags & IEEE80211_F_DATAPAD)
641 size = roundup(size, sizeof(uint32_t));
642 return size;
643}
644
645/*
646 * Like ieee80211_hdrspace, but handles any type of frame.
647 */
648static __inline int
649ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
650{
651 int size = ieee80211_anyhdrsize(data);
652 if (ic->ic_flags & IEEE80211_F_DATAPAD)
653 size = roundup(size, sizeof(uint32_t));
654 return size;
655}
656
657/*
658 * Notify a vap that beacon state has been updated.
659 */
660static __inline void
661ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
662{
663 if (vap->iv_state == IEEE80211_S_RUN)
664 vap->iv_update_beacon(vap, what);
665}
666
667/*
668 * Calculate HT channel promotion flags for a channel.
669 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_*
670 */
671static __inline int
672ieee80211_htchanflags(const struct ieee80211_channel *c)
673{
674 return IEEE80211_IS_CHAN_HT40(c) ?
675 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 :
676 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0;
677}
678
679/*
680 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
681 *
682 * The intent is that any problem in the net80211 layer can be
683 * diagnosed by inspecting the statistics (dumped by the wlanstats
684 * program) and/or the msgs generated by net80211. Messages are
685 * broken into functional classes and can be controlled with the
686 * wlandebug program. Certain of these msg groups are for facilities
687 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
688 */
689#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
690#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
691#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
692#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
693#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
694#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
695#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
696#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
697#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
698#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
699#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
700#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
701#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
702#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
703#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */
704#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
705#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
706#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
| 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#ifdef __NetBSD__
36#include <net80211/ieee80211_netbsd.h>
37#elif __FreeBSD__
38#include <net80211/ieee80211_freebsd.h>
39#elif __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_crypto.h>
48#include <net80211/ieee80211_dfs.h>
49#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
50#include <net80211/ieee80211_phy.h>
51#include <net80211/ieee80211_power.h>
52#include <net80211/ieee80211_node.h>
53#include <net80211/ieee80211_proto.h>
54#include <net80211/ieee80211_scan.h>
55
56#define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */
57#define IEEE80211_TXPOWER_MIN 0 /* kill radio */
58
59#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */
60#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */
61
62#define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */
63#define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */
64
65#define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */
66#define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */
67
68#define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */
69#define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */
70
71#define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */
72#define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */
73
74#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */
75#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */
76
77#define IEEE80211_FIXED_RATE_NONE 0xff
78#define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */
79
80#define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX
81#define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX
82
83#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
84#define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000)
85#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
86
87/*
88 * 802.11 control state is split into a common portion that maps
89 * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
90 * that are bound to an ieee80211com instance and share a single
91 * underlying device. Each VAP has a corresponding OS device
92 * entity through which traffic flows and that applications use
93 * for issuing ioctls, etc.
94 */
95
96/*
97 * Data common to one or more virtual AP's. State shared by
98 * the underlying device and the net80211 layer is exposed here;
99 * e.g. device-specific callbacks.
100 */
101struct ieee80211vap;
102typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
103
104struct ieee80211_appie {
105 uint16_t ie_len; /* size of ie_data */
106 uint8_t ie_data[]; /* user-specified IE's */
107};
108
109struct ieee80211_tdma_param;
110
111struct ieee80211com {
112 struct ifnet *ic_ifp; /* associated device */
113 ieee80211_com_lock_t ic_comlock; /* state update lock */
114 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */
115 int ic_headroom; /* driver tx headroom needs */
116 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
117 enum ieee80211_opmode ic_opmode; /* operation mode */
118 struct ifmedia ic_media; /* interface media config */
119 struct callout ic_inact; /* inactivity processing */
120 struct task ic_parent_task; /* deferred parent processing */
121
122 uint32_t ic_flags; /* state flags */
123 uint32_t ic_flags_ext; /* extended state flags */
124 uint32_t ic_flags_ven; /* vendor state flags */
125 uint32_t ic_caps; /* capabilities */
126 uint32_t ic_htcaps; /* HT capabilities */
127 uint32_t ic_cryptocaps; /* crypto capabilities */
128 uint8_t ic_modecaps[2]; /* set of mode capabilities */
129 uint8_t ic_promisc; /* vap's needing promisc mode */
130 uint8_t ic_allmulti; /* vap's needing all multicast*/
131 uint8_t ic_nrunning; /* vap's marked running */
132 uint8_t ic_curmode; /* current mode */
133 uint16_t ic_bintval; /* beacon interval */
134 uint16_t ic_lintval; /* listen interval */
135 uint16_t ic_holdover; /* PM hold over duration */
136 uint16_t ic_txpowlimit; /* global tx power limit */
137 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
138
139 /*
140 * Channel state:
141 *
142 * ic_channels is the set of available channels for the device;
143 * it is setup by the driver
144 * ic_nchans is the number of valid entries in ic_channels
145 * ic_chan_avail is a bit vector of these channels used to check
146 * whether a channel is available w/o searching the channel table.
147 * ic_chan_active is a (potentially) constrained subset of
148 * ic_chan_avail that reflects any mode setting or user-specified
149 * limit on the set of channels to use/scan
150 * ic_curchan is the current channel the device is set to; it may
151 * be different from ic_bsschan when we are off-channel scanning
152 * or otherwise doing background work
153 * ic_bsschan is the channel selected for operation; it may
154 * be undefined (IEEE80211_CHAN_ANYC)
155 * ic_prevchan is a cached ``previous channel'' used to optimize
156 * lookups when switching back+forth between two channels
157 * (e.g. for dynamic turbo)
158 */
159 int ic_nchans; /* # entries in ic_channels */
160 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
161 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
162 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
163 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
164 struct ieee80211_channel *ic_curchan; /* current channel */
165 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
166 struct ieee80211_channel *ic_bsschan; /* bss channel */
167 struct ieee80211_channel *ic_prevchan; /* previous channel */
168 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
169 struct ieee80211_appie *ic_countryie; /* calculated country ie */
170 struct ieee80211_channel *ic_countryie_chan;
171
172 /* 802.11h/DFS state */
173 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
174 int ic_csa_count; /* count for doing CSA */
175 struct ieee80211_dfs_state ic_dfs; /* DFS state */
176
177 struct ieee80211_scan_state *ic_scan; /* scan state */
178 int ic_lastdata; /* time of last data frame */
179 int ic_lastscan; /* time last scan completed */
180
181 /* NB: this is the union of all vap stations/neighbors */
182 int ic_max_keyix; /* max h/w key index */
183 struct ieee80211_node_table ic_sta; /* stations/neighbors */
184
185 /* XXX multi-bss: split out common/vap parts */
186 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
187
188 /* XXX multi-bss: can per-vap be done/make sense? */
189 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
190 uint16_t ic_nonerpsta; /* # non-ERP stations */
191 uint16_t ic_longslotsta; /* # long slot time stations */
192 uint16_t ic_sta_assoc; /* stations associated */
193 uint16_t ic_ht_sta_assoc;/* HT stations associated */
194 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
195 uint8_t ic_curhtprotmode;/* HTINFO bss state */
196 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
197 int ic_lastnonerp; /* last time non-ERP sta noted*/
198 int ic_lastnonht; /* last time non-HT sta noted */
199
200 /* virtual ap create/delete */
201 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
202 const char name[IFNAMSIZ], int unit,
203 int opmode, int flags,
204 const uint8_t bssid[IEEE80211_ADDR_LEN],
205 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
206 void (*ic_vap_delete)(struct ieee80211vap *);
207 /* operating mode attachment */
208 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
209 /* return hardware/radio capabilities */
210 void (*ic_getradiocaps)(struct ieee80211com *,
211 int, int *, struct ieee80211_channel []);
212 /* check and/or prepare regdomain state change */
213 int (*ic_setregdomain)(struct ieee80211com *,
214 struct ieee80211_regdomain *,
215 int, struct ieee80211_channel []);
216 /* send/recv 802.11 management frame */
217 int (*ic_send_mgmt)(struct ieee80211_node *,
218 int, int);
219 /* send raw 802.11 frame */
220 int (*ic_raw_xmit)(struct ieee80211_node *,
221 struct mbuf *,
222 const struct ieee80211_bpf_params *);
223 /* update device state for 802.11 slot time change */
224 void (*ic_updateslot)(struct ifnet *);
225 /* handle multicast state changes */
226 void (*ic_update_mcast)(struct ifnet *);
227 /* handle promiscuous mode changes */
228 void (*ic_update_promisc)(struct ifnet *);
229 /* new station association callback/notification */
230 void (*ic_newassoc)(struct ieee80211_node *, int);
231 /* TDMA update notification */
232 void (*ic_tdma_update)(struct ieee80211_node *,
233 const struct ieee80211_tdma_param *, int);
234 /* node state management */
235 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
236 const uint8_t [IEEE80211_ADDR_LEN]);
237 void (*ic_node_free)(struct ieee80211_node *);
238 void (*ic_node_cleanup)(struct ieee80211_node *);
239 void (*ic_node_age)(struct ieee80211_node *);
240 void (*ic_node_drain)(struct ieee80211_node *);
241 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
242 void (*ic_node_getsignal)(const struct ieee80211_node*,
243 int8_t *, int8_t *);
244 void (*ic_node_getmimoinfo)(
245 const struct ieee80211_node*,
246 struct ieee80211_mimo_info *);
247 /* scanning support */
248 void (*ic_scan_start)(struct ieee80211com *);
249 void (*ic_scan_end)(struct ieee80211com *);
250 void (*ic_set_channel)(struct ieee80211com *);
251 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
252 unsigned long);
253 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
254
255 /*
256 * 802.11n ADDBA support. A simple/generic implementation
257 * of A-MPDU tx aggregation is provided; the driver may
258 * override these methods to provide their own support.
259 * A-MPDU rx re-ordering happens automatically if the
260 * driver passes out-of-order frames to ieee80211_input
261 * from an assocated HT station.
262 */
263 void (*ic_recv_action)(struct ieee80211_node *,
264 const uint8_t *frm, const uint8_t *efrm);
265 int (*ic_send_action)(struct ieee80211_node *,
266 int category, int action,
267 uint16_t args[4]);
268 /* check if A-MPDU should be enabled this station+ac */
269 int (*ic_ampdu_enable)(struct ieee80211_node *,
270 struct ieee80211_tx_ampdu *);
271 /* start/stop doing A-MPDU tx aggregation for a station */
272 int (*ic_addba_request)(struct ieee80211_node *,
273 struct ieee80211_tx_ampdu *,
274 int dialogtoken, int baparamset,
275 int batimeout);
276 int (*ic_addba_response)(struct ieee80211_node *,
277 struct ieee80211_tx_ampdu *,
278 int status, int baparamset, int batimeout);
279 void (*ic_addba_stop)(struct ieee80211_node *,
280 struct ieee80211_tx_ampdu *);
281 /* BAR response received */
282 void (*ic_bar_response)(struct ieee80211_node *,
283 struct ieee80211_tx_ampdu *, int status);
284};
285
286struct ieee80211_aclator;
287struct ieee80211_tdma_state;
288
289struct ieee80211vap {
290 struct ifmedia iv_media; /* interface media config */
291 struct ifnet *iv_ifp; /* associated device */
292 struct bpf_if *iv_rawbpf; /* packet filter structure */
293 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
294 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
295
296 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
297 struct ieee80211com *iv_ic; /* back ptr to common state */
298 uint32_t iv_debug; /* debug msg flags */
299 struct ieee80211_stats iv_stats; /* statistics */
300
301 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
302 uint32_t iv_flags; /* state flags */
303 uint32_t iv_flags_ext; /* extended state flags */
304 uint32_t iv_flags_ven; /* vendor state flags */
305 uint32_t iv_caps; /* capabilities */
306 uint32_t iv_htcaps; /* HT capabilities */
307 enum ieee80211_opmode iv_opmode; /* operation mode */
308 enum ieee80211_state iv_state; /* state machine state */
309 void (*iv_newstate_cb)(struct ieee80211vap *,
310 enum ieee80211_state, int);
311 struct callout iv_mgtsend; /* mgmt frame response timer */
312 /* inactivity timer settings */
313 int iv_inact_init; /* setting for new station */
314 int iv_inact_auth; /* auth but not assoc setting */
315 int iv_inact_run; /* authorized setting */
316 int iv_inact_probe; /* inactive probe time */
317
318 int iv_des_nssid; /* # desired ssids */
319 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
320 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
321 struct ieee80211_channel *iv_des_chan; /* desired channel */
322 uint16_t iv_des_mode; /* desired mode */
323 int iv_nicknamelen; /* XXX junk */
324 uint8_t iv_nickname[IEEE80211_NWID_LEN];
325 u_int iv_bgscanidle; /* bg scan idle threshold */
326 u_int iv_bgscanintvl; /* bg scan min interval */
327 u_int iv_scanvalid; /* scan cache valid threshold */
328 u_int iv_scanreq_duration;
329 u_int iv_scanreq_mindwell;
330 u_int iv_scanreq_maxdwell;
331 uint16_t iv_scanreq_flags;/* held scan request params */
332 uint8_t iv_scanreq_nssid;
333 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
334 /* sta-mode roaming state */
335 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
336 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
337
338 uint8_t iv_bmissthreshold;
339 uint8_t iv_bmiss_count; /* current beacon miss count */
340 int iv_bmiss_max; /* max bmiss before scan */
341 uint16_t iv_swbmiss_count;/* beacons in last period */
342 uint16_t iv_swbmiss_period;/* s/w bmiss period */
343 struct callout iv_swbmiss; /* s/w beacon miss timer */
344
345 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
346 int iv_ampdu_density;/* A-MPDU density */
347 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
348 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
349 u_int iv_ampdu_mintraffic[WME_NUM_AC];
350
351 uint32_t *iv_aid_bitmap; /* association id map */
352 uint16_t iv_max_aid;
353 uint16_t iv_sta_assoc; /* stations associated */
354 uint16_t iv_ps_sta; /* stations in power save */
355 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
356 uint16_t iv_txseq; /* mcast xmit seq# space */
357 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
358 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
359 uint8_t iv_dtim_period; /* DTIM period */
360 uint8_t iv_dtim_count; /* DTIM count from last bcn */
361 /* set/unset aid pwrsav state */
362 int iv_csa_count; /* count for doing CSA */
363
364 struct ieee80211_node *iv_bss; /* information for this node */
365 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
366 uint16_t iv_rtsthreshold;
367 uint16_t iv_fragthreshold;
368 int iv_inact_timer; /* inactivity timer wait */
369 /* application-specified IE's to attach to mgt frames */
370 struct ieee80211_appie *iv_appie_beacon;
371 struct ieee80211_appie *iv_appie_probereq;
372 struct ieee80211_appie *iv_appie_proberesp;
373 struct ieee80211_appie *iv_appie_assocreq;
374 struct ieee80211_appie *iv_appie_assocresp;
375 struct ieee80211_appie *iv_appie_wpa;
376 uint8_t *iv_wpa_ie;
377 uint8_t *iv_rsn_ie;
378 uint16_t iv_max_keyix; /* max h/w key index */
379 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
380 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
381 int (*iv_key_alloc)(struct ieee80211vap *,
382 struct ieee80211_key *,
383 ieee80211_keyix *, ieee80211_keyix *);
384 int (*iv_key_delete)(struct ieee80211vap *,
385 const struct ieee80211_key *);
386 int (*iv_key_set)(struct ieee80211vap *,
387 const struct ieee80211_key *,
388 const uint8_t mac[IEEE80211_ADDR_LEN]);
389 void (*iv_key_update_begin)(struct ieee80211vap *);
390 void (*iv_key_update_end)(struct ieee80211vap *);
391
392 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
393 void *iv_ec; /* private auth state */
394
395 const struct ieee80211_aclator *iv_acl; /* acl glue */
396 void *iv_as; /* private aclator state */
397
398 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
399
400 /* operate-mode detach hook */
401 void (*iv_opdetach)(struct ieee80211vap *);
402 /* receive processing */
403 int (*iv_input)(struct ieee80211_node *,
404 struct mbuf *, int rssi, int noise,
405 uint32_t rstamp);
406 void (*iv_recv_mgmt)(struct ieee80211_node *,
407 struct mbuf *, int, int, int, uint32_t);
408 void (*iv_deliver_data)(struct ieee80211vap *,
409 struct ieee80211_node *, struct mbuf *);
410#if 0
411 /* send processing */
412 int (*iv_send_mgmt)(struct ieee80211_node *,
413 int, int);
414#endif
415 /* beacon miss processing */
416 void (*iv_bmiss)(struct ieee80211vap *);
417 /* reset device state after 802.11 parameter/state change */
418 int (*iv_reset)(struct ieee80211vap *, u_long);
419 /* [schedule] beacon frame update */
420 void (*iv_update_beacon)(struct ieee80211vap *, int);
421 /* power save handling */
422 void (*iv_update_ps)(struct ieee80211vap *, int);
423 int (*iv_set_tim)(struct ieee80211_node *, int);
424 /* state machine processing */
425 int (*iv_newstate)(struct ieee80211vap *,
426 enum ieee80211_state, int);
427 /* 802.3 output method for raw frame xmit */
428 int (*iv_output)(struct ifnet *, struct mbuf *,
429 struct sockaddr *, struct rtentry *);
430};
431MALLOC_DECLARE(M_80211_VAP);
432
433#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
434#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
435
436/* ic_flags/iv_flags */
437#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
438#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
439#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
440#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
441/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
442#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
443#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
444#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
445#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
446#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
447/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
448#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
449#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
450#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
451#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
452#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
453#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
454#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
455#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
456#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
457#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
458#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
459#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
460#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
461#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
462#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
463#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
464#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
465#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
466#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
467#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
468#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
469#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
470#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
471
472#define IEEE80211_F_BITS \
473 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
474 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
475 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
476 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
477 "\37DOTH\40DWDS"
478
479/* Atheros protocol-specific flags */
480#define IEEE80211_F_ATHEROS \
481 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
482/* Check if an Atheros capability was negotiated for use */
483#define IEEE80211_ATH_CAP(vap, ni, bit) \
484 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
485
486/* ic_flags_ext/iv_flags_ext */
487#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
488#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
489#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
490/* 0x00000006 reserved */
491#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
492#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
493#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
494#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
495#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
496#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
497#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
498#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
499#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
500/* NB: immutable: should be set only when creating a vap */
501#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
502#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
503#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */
504#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
505#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */
506#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
507#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */
508#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
509#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
510#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
511#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
512#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
513#define IEEE80211_FEXT_RIFS 0x20000000 /* CONF: RIFS enabled */
514
515#define IEEE80211_FEXT_BITS \
516 "\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
517 "\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
518 "\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
519 "\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
520
521#define IEEE80211_FVEN_BITS "\20"
522
523/* ic_caps/iv_caps: device driver capabilities */
524/* 0x2f available */
525#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
526#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
527#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
528#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
529#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
530#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
531#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
532#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
533#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
534#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
535#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
536#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
537#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
538/* 0x7c0000 available */
539#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
540#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
541#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
542#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
543#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
544#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
545/* 0x10000000 reserved */
546#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
547#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
548#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
549/* XXX protection/barker? */
550
551#define IEEE80211_C_OPMODE \
552 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
553 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
554 IEEE80211_C_TDMA)
555
556#define IEEE80211_C_BITS \
557 "\20\1STA\7FF\10TURBOP\11IBSS\12PMGT" \
558 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
559 "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
560 "\37TXFRAG\40TDMA"
561
562/*
563 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
564 *
565 * NB: the low 16-bits are the 802.11 definitions, the upper
566 * 16-bits are used to define s/w/driver capabilities.
567 */
568#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
569#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
570/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
571#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
572#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
573#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
574
575#define IEEE80211_C_HTCAP_BITS \
576 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
577 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
578
579void ieee80211_ifattach(struct ieee80211com *,
580 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
581void ieee80211_ifdetach(struct ieee80211com *);
582int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
583 const char name[IFNAMSIZ], int unit, int opmode, int flags,
584 const uint8_t bssid[IEEE80211_ADDR_LEN],
585 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
586int ieee80211_vap_attach(struct ieee80211vap *,
587 ifm_change_cb_t, ifm_stat_cb_t);
588void ieee80211_vap_detach(struct ieee80211vap *);
589const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
590 const struct ieee80211_channel *);
591void ieee80211_announce(struct ieee80211com *);
592void ieee80211_announce_channels(struct ieee80211com *);
593void ieee80211_drain(struct ieee80211com *);
594void ieee80211_media_init(struct ieee80211com *);
595struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
596int ieee80211_media_change(struct ifnet *);
597void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
598int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
599int ieee80211_rate2media(struct ieee80211com *, int,
600 enum ieee80211_phymode);
601int ieee80211_media2rate(int);
602int ieee80211_mhz2ieee(u_int, u_int);
603int ieee80211_chan2ieee(struct ieee80211com *,
604 const struct ieee80211_channel *);
605u_int ieee80211_ieee2mhz(u_int, u_int);
606struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
607 int freq, int flags);
608struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
609 int ieee, int flags);
610int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
611enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
612
613/*
614 * Key update synchronization methods. XXX should not be visible.
615 */
616static __inline void
617ieee80211_key_update_begin(struct ieee80211vap *vap)
618{
619 vap->iv_key_update_begin(vap);
620}
621static __inline void
622ieee80211_key_update_end(struct ieee80211vap *vap)
623{
624 vap->iv_key_update_end(vap);
625}
626
627/*
628 * XXX these need to be here for IEEE80211_F_DATAPAD
629 */
630
631/*
632 * Return the space occupied by the 802.11 header and any
633 * padding required by the driver. This works for a
634 * management or data frame.
635 */
636static __inline int
637ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
638{
639 int size = ieee80211_hdrsize(data);
640 if (ic->ic_flags & IEEE80211_F_DATAPAD)
641 size = roundup(size, sizeof(uint32_t));
642 return size;
643}
644
645/*
646 * Like ieee80211_hdrspace, but handles any type of frame.
647 */
648static __inline int
649ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
650{
651 int size = ieee80211_anyhdrsize(data);
652 if (ic->ic_flags & IEEE80211_F_DATAPAD)
653 size = roundup(size, sizeof(uint32_t));
654 return size;
655}
656
657/*
658 * Notify a vap that beacon state has been updated.
659 */
660static __inline void
661ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
662{
663 if (vap->iv_state == IEEE80211_S_RUN)
664 vap->iv_update_beacon(vap, what);
665}
666
667/*
668 * Calculate HT channel promotion flags for a channel.
669 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_*
670 */
671static __inline int
672ieee80211_htchanflags(const struct ieee80211_channel *c)
673{
674 return IEEE80211_IS_CHAN_HT40(c) ?
675 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 :
676 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0;
677}
678
679/*
680 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
681 *
682 * The intent is that any problem in the net80211 layer can be
683 * diagnosed by inspecting the statistics (dumped by the wlanstats
684 * program) and/or the msgs generated by net80211. Messages are
685 * broken into functional classes and can be controlled with the
686 * wlandebug program. Certain of these msg groups are for facilities
687 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
688 */
689#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
690#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
691#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
692#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
693#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
694#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
695#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
696#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
697#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
698#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
699#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
700#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
701#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
702#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
703#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */
704#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
705#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
706#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
|
707#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */
| 707#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
|
708#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
709#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
710#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
711#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
712#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
713#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
714#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
715#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
716#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
717#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
718#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
719#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
720
721#define IEEE80211_MSG_ANY 0xffffffff /* anything */
722
723#define IEEE80211_MSG_BITS \
724 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
725 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
726 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
727 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
728
729#ifdef IEEE80211_DEBUG
730#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
731#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
732 if (ieee80211_msg(_vap, _m)) \
733 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
734} while (0)
735#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
736 if (ieee80211_msg(_vap, _m)) \
737 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
738} while (0)
739#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
740 if (ieee80211_msg(_vap, _m)) \
741 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
742} while (0)
743#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
744 if (ieee80211_msg(_vap, _m)) \
745 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
746} while (0)
747void ieee80211_note(struct ieee80211vap *, const char *, ...);
748void ieee80211_note_mac(struct ieee80211vap *,
749 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
750void ieee80211_note_frame(struct ieee80211vap *,
751 const struct ieee80211_frame *, const char *, ...);
752#define ieee80211_msg_debug(_vap) \
753 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
754#define ieee80211_msg_dumppkts(_vap) \
755 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
756#define ieee80211_msg_input(_vap) \
757 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
758#define ieee80211_msg_radius(_vap) \
759 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
760#define ieee80211_msg_dumpradius(_vap) \
761 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
762#define ieee80211_msg_dumpradkeys(_vap) \
763 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
764#define ieee80211_msg_scan(_vap) \
765 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
766#define ieee80211_msg_assoc(_vap) \
767 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
768
769/*
770 * Emit a debug message about discarding a frame or information
771 * element. One format is for extracting the mac address from
772 * the frame header; the other is for when a header is not
773 * available or otherwise appropriate.
774 */
775#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
776 if ((_vap)->iv_debug & (_m)) \
777 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
778} while (0)
779#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
780 if ((_vap)->iv_debug & (_m)) \
781 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
782} while (0)
783#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
784 if ((_vap)->iv_debug & (_m)) \
785 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
786} while (0)
787
788void ieee80211_discard_frame(struct ieee80211vap *,
789 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
790void ieee80211_discard_ie(struct ieee80211vap *,
791 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
792void ieee80211_discard_mac(struct ieee80211vap *,
793 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
794 const char *fmt, ...);
795#else
796#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
797#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
798#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
799#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
800#define ieee80211_msg_dumppkts(_vap) 0
801#define ieee80211_msg(_vap, _m) 0
802
803#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
804#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
805#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
806#endif
807
808#endif /* _NET80211_IEEE80211_VAR_H_ */
| 708#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
709#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
710#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
711#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
712#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
713#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
714#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
715#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
716#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
717#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
718#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
719#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
720
721#define IEEE80211_MSG_ANY 0xffffffff /* anything */
722
723#define IEEE80211_MSG_BITS \
724 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
725 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
726 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
727 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
728
729#ifdef IEEE80211_DEBUG
730#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
731#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
732 if (ieee80211_msg(_vap, _m)) \
733 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
734} while (0)
735#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
736 if (ieee80211_msg(_vap, _m)) \
737 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
738} while (0)
739#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
740 if (ieee80211_msg(_vap, _m)) \
741 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
742} while (0)
743#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
744 if (ieee80211_msg(_vap, _m)) \
745 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
746} while (0)
747void ieee80211_note(struct ieee80211vap *, const char *, ...);
748void ieee80211_note_mac(struct ieee80211vap *,
749 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
750void ieee80211_note_frame(struct ieee80211vap *,
751 const struct ieee80211_frame *, const char *, ...);
752#define ieee80211_msg_debug(_vap) \
753 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
754#define ieee80211_msg_dumppkts(_vap) \
755 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
756#define ieee80211_msg_input(_vap) \
757 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
758#define ieee80211_msg_radius(_vap) \
759 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
760#define ieee80211_msg_dumpradius(_vap) \
761 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
762#define ieee80211_msg_dumpradkeys(_vap) \
763 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
764#define ieee80211_msg_scan(_vap) \
765 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
766#define ieee80211_msg_assoc(_vap) \
767 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
768
769/*
770 * Emit a debug message about discarding a frame or information
771 * element. One format is for extracting the mac address from
772 * the frame header; the other is for when a header is not
773 * available or otherwise appropriate.
774 */
775#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
776 if ((_vap)->iv_debug & (_m)) \
777 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
778} while (0)
779#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
780 if ((_vap)->iv_debug & (_m)) \
781 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
782} while (0)
783#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
784 if ((_vap)->iv_debug & (_m)) \
785 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
786} while (0)
787
788void ieee80211_discard_frame(struct ieee80211vap *,
789 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
790void ieee80211_discard_ie(struct ieee80211vap *,
791 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
792void ieee80211_discard_mac(struct ieee80211vap *,
793 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
794 const char *fmt, ...);
795#else
796#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
797#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
798#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
799#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
800#define ieee80211_msg_dumppkts(_vap) 0
801#define ieee80211_msg(_vap, _m) 0
802
803#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
804#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
805#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
806#endif
807
808#endif /* _NET80211_IEEE80211_VAR_H_ */
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