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ieee80211_var.h (191148) ieee80211_var.h (191546)
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 191148 2009-04-16 20:30:28Z kmacy $
26 * $FreeBSD: head/sys/net80211/ieee80211_var.h 191546 2009-04-26 21:46:04Z sam $
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;
110struct ieee80211_rate_table;
111
112struct ieee80211_stageq {
113 struct mbuf *head; /* frames linked w/ m_nextpkt */
114 struct mbuf *tail; /* last frame in queue */
115 int depth; /* # items on head */
116};
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 task ic_parent_task; /* deferred parent processing */
128
129 uint32_t ic_flags; /* state flags */
130 uint32_t ic_flags_ext; /* extended state flags */
131 uint32_t ic_flags_ven; /* vendor state flags */
132 uint32_t ic_caps; /* capabilities */
133 uint32_t ic_htcaps; /* HT capabilities */
134 uint32_t ic_cryptocaps; /* crypto capabilities */
135 uint8_t ic_modecaps[2]; /* set of mode capabilities */
136 uint8_t ic_promisc; /* vap's needing promisc mode */
137 uint8_t ic_allmulti; /* vap's needing all multicast*/
138 uint8_t ic_nrunning; /* vap's marked running */
139 uint8_t ic_curmode; /* current mode */
140 uint16_t ic_bintval; /* beacon interval */
141 uint16_t ic_lintval; /* listen interval */
142 uint16_t ic_holdover; /* PM hold over duration */
143 uint16_t ic_txpowlimit; /* global tx power limit */
144 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
145
146 /*
147 * Channel state:
148 *
149 * ic_channels is the set of available channels for the device;
150 * it is setup by the driver
151 * ic_nchans is the number of valid entries in ic_channels
152 * ic_chan_avail is a bit vector of these channels used to check
153 * whether a channel is available w/o searching the channel table.
154 * ic_chan_active is a (potentially) constrained subset of
155 * ic_chan_avail that reflects any mode setting or user-specified
156 * limit on the set of channels to use/scan
157 * ic_curchan is the current channel the device is set to; it may
158 * be different from ic_bsschan when we are off-channel scanning
159 * or otherwise doing background work
160 * ic_bsschan is the channel selected for operation; it may
161 * be undefined (IEEE80211_CHAN_ANYC)
162 * ic_prevchan is a cached ``previous channel'' used to optimize
163 * lookups when switching back+forth between two channels
164 * (e.g. for dynamic turbo)
165 */
166 int ic_nchans; /* # entries in ic_channels */
167 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
168 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
169 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
170 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
171 struct ieee80211_channel *ic_curchan; /* current channel */
172 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
173 struct ieee80211_channel *ic_bsschan; /* bss channel */
174 struct ieee80211_channel *ic_prevchan; /* previous channel */
175 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
176 struct ieee80211_appie *ic_countryie; /* calculated country ie */
177 struct ieee80211_channel *ic_countryie_chan;
178
179 /* 802.11h/DFS state */
180 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
181 int ic_csa_count; /* count for doing CSA */
182 struct ieee80211_dfs_state ic_dfs; /* DFS state */
183
184 struct ieee80211_scan_state *ic_scan; /* scan state */
185 int ic_lastdata; /* time of last data frame */
186 int ic_lastscan; /* time last scan completed */
187
188 /* NB: this is the union of all vap stations/neighbors */
189 int ic_max_keyix; /* max h/w key index */
190 struct ieee80211_node_table ic_sta; /* stations/neighbors */
191
192 /* XXX multi-bss: split out common/vap parts */
193 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
194
195 /* XXX multi-bss: can per-vap be done/make sense? */
196 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
197 uint16_t ic_nonerpsta; /* # non-ERP stations */
198 uint16_t ic_longslotsta; /* # long slot time stations */
199 uint16_t ic_sta_assoc; /* stations associated */
200 uint16_t ic_ht_sta_assoc;/* HT stations associated */
201 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
202 uint8_t ic_curhtprotmode;/* HTINFO bss state */
203 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
204 int ic_lastnonerp; /* last time non-ERP sta noted*/
205 int ic_lastnonht; /* last time non-HT sta noted */
206
207 /* fast-frames staging q */
208 struct ieee80211_stageq ic_ff_stageq[WME_NUM_AC];
209 int ic_stageqdepth; /* cumulative depth */
210
211 /* virtual ap create/delete */
212 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
213 const char name[IFNAMSIZ], int unit,
214 int opmode, int flags,
215 const uint8_t bssid[IEEE80211_ADDR_LEN],
216 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
217 void (*ic_vap_delete)(struct ieee80211vap *);
218 /* operating mode attachment */
219 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
220 /* return hardware/radio capabilities */
221 void (*ic_getradiocaps)(struct ieee80211com *,
222 int, int *, struct ieee80211_channel []);
223 /* check and/or prepare regdomain state change */
224 int (*ic_setregdomain)(struct ieee80211com *,
225 struct ieee80211_regdomain *,
226 int, struct ieee80211_channel []);
227 /* send/recv 802.11 management frame */
228 int (*ic_send_mgmt)(struct ieee80211_node *,
229 int, int);
230 /* send raw 802.11 frame */
231 int (*ic_raw_xmit)(struct ieee80211_node *,
232 struct mbuf *,
233 const struct ieee80211_bpf_params *);
234 /* update device state for 802.11 slot time change */
235 void (*ic_updateslot)(struct ifnet *);
236 /* handle multicast state changes */
237 void (*ic_update_mcast)(struct ifnet *);
238 /* handle promiscuous mode changes */
239 void (*ic_update_promisc)(struct ifnet *);
240 /* new station association callback/notification */
241 void (*ic_newassoc)(struct ieee80211_node *, int);
242 /* TDMA update notification */
243 void (*ic_tdma_update)(struct ieee80211_node *,
244 const struct ieee80211_tdma_param *, int);
245 /* node state management */
246 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
247 const uint8_t [IEEE80211_ADDR_LEN]);
248 void (*ic_node_free)(struct ieee80211_node *);
249 void (*ic_node_cleanup)(struct ieee80211_node *);
250 void (*ic_node_age)(struct ieee80211_node *);
251 void (*ic_node_drain)(struct ieee80211_node *);
252 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
253 void (*ic_node_getsignal)(const struct ieee80211_node*,
254 int8_t *, int8_t *);
255 void (*ic_node_getmimoinfo)(
256 const struct ieee80211_node*,
257 struct ieee80211_mimo_info *);
258 /* scanning support */
259 void (*ic_scan_start)(struct ieee80211com *);
260 void (*ic_scan_end)(struct ieee80211com *);
261 void (*ic_set_channel)(struct ieee80211com *);
262 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
263 unsigned long);
264 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
265
266 /*
267 * 802.11n ADDBA support. A simple/generic implementation
268 * of A-MPDU tx aggregation is provided; the driver may
269 * override these methods to provide their own support.
270 * A-MPDU rx re-ordering happens automatically if the
271 * driver passes out-of-order frames to ieee80211_input
272 * from an assocated HT station.
273 */
274 void (*ic_recv_action)(struct ieee80211_node *,
275 const uint8_t *frm, const uint8_t *efrm);
276 int (*ic_send_action)(struct ieee80211_node *,
277 int category, int action,
278 uint16_t args[4]);
279 /* check if A-MPDU should be enabled this station+ac */
280 int (*ic_ampdu_enable)(struct ieee80211_node *,
281 struct ieee80211_tx_ampdu *);
282 /* start/stop doing A-MPDU tx aggregation for a station */
283 int (*ic_addba_request)(struct ieee80211_node *,
284 struct ieee80211_tx_ampdu *,
285 int dialogtoken, int baparamset,
286 int batimeout);
287 int (*ic_addba_response)(struct ieee80211_node *,
288 struct ieee80211_tx_ampdu *,
289 int status, int baparamset, int batimeout);
290 void (*ic_addba_stop)(struct ieee80211_node *,
291 struct ieee80211_tx_ampdu *);
292 /* BAR response received */
293 void (*ic_bar_response)(struct ieee80211_node *,
294 struct ieee80211_tx_ampdu *, int status);
295};
296
297struct ieee80211_aclator;
298struct ieee80211_tdma_state;
299
300struct ieee80211vap {
301 struct ifmedia iv_media; /* interface media config */
302 struct ifnet *iv_ifp; /* associated device */
303 struct bpf_if *iv_rawbpf; /* packet filter structure */
304 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
305 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
306
307 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
308 struct ieee80211com *iv_ic; /* back ptr to common state */
309 uint32_t iv_debug; /* debug msg flags */
310 struct ieee80211_stats iv_stats; /* statistics */
311
312 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
313 uint32_t iv_flags; /* state flags */
314 uint32_t iv_flags_ext; /* extended state flags */
315 uint32_t iv_flags_ven; /* vendor state flags */
316 uint32_t iv_caps; /* capabilities */
317 uint32_t iv_htcaps; /* HT capabilities */
318 enum ieee80211_opmode iv_opmode; /* operation mode */
319 enum ieee80211_state iv_state; /* state machine state */
320 void (*iv_newstate_cb)(struct ieee80211vap *,
321 enum ieee80211_state, int);
322 struct callout iv_mgtsend; /* mgmt frame response timer */
323 /* inactivity timer settings */
324 int iv_inact_init; /* setting for new station */
325 int iv_inact_auth; /* auth but not assoc setting */
326 int iv_inact_run; /* authorized setting */
327 int iv_inact_probe; /* inactive probe time */
328
329 int iv_des_nssid; /* # desired ssids */
330 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
331 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
332 struct ieee80211_channel *iv_des_chan; /* desired channel */
333 uint16_t iv_des_mode; /* desired mode */
334 int iv_nicknamelen; /* XXX junk */
335 uint8_t iv_nickname[IEEE80211_NWID_LEN];
336 u_int iv_bgscanidle; /* bg scan idle threshold */
337 u_int iv_bgscanintvl; /* bg scan min interval */
338 u_int iv_scanvalid; /* scan cache valid threshold */
339 u_int iv_scanreq_duration;
340 u_int iv_scanreq_mindwell;
341 u_int iv_scanreq_maxdwell;
342 uint16_t iv_scanreq_flags;/* held scan request params */
343 uint8_t iv_scanreq_nssid;
344 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
345 /* sta-mode roaming state */
346 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
347 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
348
349 uint8_t iv_bmissthreshold;
350 uint8_t iv_bmiss_count; /* current beacon miss count */
351 int iv_bmiss_max; /* max bmiss before scan */
352 uint16_t iv_swbmiss_count;/* beacons in last period */
353 uint16_t iv_swbmiss_period;/* s/w bmiss period */
354 struct callout iv_swbmiss; /* s/w beacon miss timer */
355
356 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
357 int iv_ampdu_density;/* A-MPDU density */
358 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
359 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
360 u_int iv_ampdu_mintraffic[WME_NUM_AC];
361
362 uint32_t *iv_aid_bitmap; /* association id map */
363 uint16_t iv_max_aid;
364 uint16_t iv_sta_assoc; /* stations associated */
365 uint16_t iv_ps_sta; /* stations in power save */
366 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
367 uint16_t iv_txseq; /* mcast xmit seq# space */
368 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
369 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
370 uint8_t iv_dtim_period; /* DTIM period */
371 uint8_t iv_dtim_count; /* DTIM count from last bcn */
372 /* set/unset aid pwrsav state */
373 int iv_csa_count; /* count for doing CSA */
374
375 struct ieee80211_node *iv_bss; /* information for this node */
376 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
377 uint16_t iv_rtsthreshold;
378 uint16_t iv_fragthreshold;
379 int iv_inact_timer; /* inactivity timer wait */
380 /* application-specified IE's to attach to mgt frames */
381 struct ieee80211_appie *iv_appie_beacon;
382 struct ieee80211_appie *iv_appie_probereq;
383 struct ieee80211_appie *iv_appie_proberesp;
384 struct ieee80211_appie *iv_appie_assocreq;
385 struct ieee80211_appie *iv_appie_assocresp;
386 struct ieee80211_appie *iv_appie_wpa;
387 uint8_t *iv_wpa_ie;
388 uint8_t *iv_rsn_ie;
389 uint16_t iv_max_keyix; /* max h/w key index */
390 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
391 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
392 int (*iv_key_alloc)(struct ieee80211vap *,
393 struct ieee80211_key *,
394 ieee80211_keyix *, ieee80211_keyix *);
395 int (*iv_key_delete)(struct ieee80211vap *,
396 const struct ieee80211_key *);
397 int (*iv_key_set)(struct ieee80211vap *,
398 const struct ieee80211_key *,
399 const uint8_t mac[IEEE80211_ADDR_LEN]);
400 void (*iv_key_update_begin)(struct ieee80211vap *);
401 void (*iv_key_update_end)(struct ieee80211vap *);
402
403 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
404 void *iv_ec; /* private auth state */
405
406 const struct ieee80211_aclator *iv_acl; /* acl glue */
407 void *iv_as; /* private aclator state */
408
409 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
410
411 /* operate-mode detach hook */
412 void (*iv_opdetach)(struct ieee80211vap *);
413 /* receive processing */
414 int (*iv_input)(struct ieee80211_node *,
415 struct mbuf *, int rssi, int noise,
416 uint32_t rstamp);
417 void (*iv_recv_mgmt)(struct ieee80211_node *,
418 struct mbuf *, int, int, int, uint32_t);
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;
110struct ieee80211_rate_table;
111
112struct ieee80211_stageq {
113 struct mbuf *head; /* frames linked w/ m_nextpkt */
114 struct mbuf *tail; /* last frame in queue */
115 int depth; /* # items on head */
116};
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 task ic_parent_task; /* deferred parent processing */
128
129 uint32_t ic_flags; /* state flags */
130 uint32_t ic_flags_ext; /* extended state flags */
131 uint32_t ic_flags_ven; /* vendor state flags */
132 uint32_t ic_caps; /* capabilities */
133 uint32_t ic_htcaps; /* HT capabilities */
134 uint32_t ic_cryptocaps; /* crypto capabilities */
135 uint8_t ic_modecaps[2]; /* set of mode capabilities */
136 uint8_t ic_promisc; /* vap's needing promisc mode */
137 uint8_t ic_allmulti; /* vap's needing all multicast*/
138 uint8_t ic_nrunning; /* vap's marked running */
139 uint8_t ic_curmode; /* current mode */
140 uint16_t ic_bintval; /* beacon interval */
141 uint16_t ic_lintval; /* listen interval */
142 uint16_t ic_holdover; /* PM hold over duration */
143 uint16_t ic_txpowlimit; /* global tx power limit */
144 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
145
146 /*
147 * Channel state:
148 *
149 * ic_channels is the set of available channels for the device;
150 * it is setup by the driver
151 * ic_nchans is the number of valid entries in ic_channels
152 * ic_chan_avail is a bit vector of these channels used to check
153 * whether a channel is available w/o searching the channel table.
154 * ic_chan_active is a (potentially) constrained subset of
155 * ic_chan_avail that reflects any mode setting or user-specified
156 * limit on the set of channels to use/scan
157 * ic_curchan is the current channel the device is set to; it may
158 * be different from ic_bsschan when we are off-channel scanning
159 * or otherwise doing background work
160 * ic_bsschan is the channel selected for operation; it may
161 * be undefined (IEEE80211_CHAN_ANYC)
162 * ic_prevchan is a cached ``previous channel'' used to optimize
163 * lookups when switching back+forth between two channels
164 * (e.g. for dynamic turbo)
165 */
166 int ic_nchans; /* # entries in ic_channels */
167 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
168 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES];
169 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
170 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
171 struct ieee80211_channel *ic_curchan; /* current channel */
172 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
173 struct ieee80211_channel *ic_bsschan; /* bss channel */
174 struct ieee80211_channel *ic_prevchan; /* previous channel */
175 struct ieee80211_regdomain ic_regdomain;/* regulatory data */
176 struct ieee80211_appie *ic_countryie; /* calculated country ie */
177 struct ieee80211_channel *ic_countryie_chan;
178
179 /* 802.11h/DFS state */
180 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
181 int ic_csa_count; /* count for doing CSA */
182 struct ieee80211_dfs_state ic_dfs; /* DFS state */
183
184 struct ieee80211_scan_state *ic_scan; /* scan state */
185 int ic_lastdata; /* time of last data frame */
186 int ic_lastscan; /* time last scan completed */
187
188 /* NB: this is the union of all vap stations/neighbors */
189 int ic_max_keyix; /* max h/w key index */
190 struct ieee80211_node_table ic_sta; /* stations/neighbors */
191
192 /* XXX multi-bss: split out common/vap parts */
193 struct ieee80211_wme_state ic_wme; /* WME/WMM state */
194
195 /* XXX multi-bss: can per-vap be done/make sense? */
196 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */
197 uint16_t ic_nonerpsta; /* # non-ERP stations */
198 uint16_t ic_longslotsta; /* # long slot time stations */
199 uint16_t ic_sta_assoc; /* stations associated */
200 uint16_t ic_ht_sta_assoc;/* HT stations associated */
201 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */
202 uint8_t ic_curhtprotmode;/* HTINFO bss state */
203 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */
204 int ic_lastnonerp; /* last time non-ERP sta noted*/
205 int ic_lastnonht; /* last time non-HT sta noted */
206
207 /* fast-frames staging q */
208 struct ieee80211_stageq ic_ff_stageq[WME_NUM_AC];
209 int ic_stageqdepth; /* cumulative depth */
210
211 /* virtual ap create/delete */
212 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *,
213 const char name[IFNAMSIZ], int unit,
214 int opmode, int flags,
215 const uint8_t bssid[IEEE80211_ADDR_LEN],
216 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
217 void (*ic_vap_delete)(struct ieee80211vap *);
218 /* operating mode attachment */
219 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX];
220 /* return hardware/radio capabilities */
221 void (*ic_getradiocaps)(struct ieee80211com *,
222 int, int *, struct ieee80211_channel []);
223 /* check and/or prepare regdomain state change */
224 int (*ic_setregdomain)(struct ieee80211com *,
225 struct ieee80211_regdomain *,
226 int, struct ieee80211_channel []);
227 /* send/recv 802.11 management frame */
228 int (*ic_send_mgmt)(struct ieee80211_node *,
229 int, int);
230 /* send raw 802.11 frame */
231 int (*ic_raw_xmit)(struct ieee80211_node *,
232 struct mbuf *,
233 const struct ieee80211_bpf_params *);
234 /* update device state for 802.11 slot time change */
235 void (*ic_updateslot)(struct ifnet *);
236 /* handle multicast state changes */
237 void (*ic_update_mcast)(struct ifnet *);
238 /* handle promiscuous mode changes */
239 void (*ic_update_promisc)(struct ifnet *);
240 /* new station association callback/notification */
241 void (*ic_newassoc)(struct ieee80211_node *, int);
242 /* TDMA update notification */
243 void (*ic_tdma_update)(struct ieee80211_node *,
244 const struct ieee80211_tdma_param *, int);
245 /* node state management */
246 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *,
247 const uint8_t [IEEE80211_ADDR_LEN]);
248 void (*ic_node_free)(struct ieee80211_node *);
249 void (*ic_node_cleanup)(struct ieee80211_node *);
250 void (*ic_node_age)(struct ieee80211_node *);
251 void (*ic_node_drain)(struct ieee80211_node *);
252 int8_t (*ic_node_getrssi)(const struct ieee80211_node*);
253 void (*ic_node_getsignal)(const struct ieee80211_node*,
254 int8_t *, int8_t *);
255 void (*ic_node_getmimoinfo)(
256 const struct ieee80211_node*,
257 struct ieee80211_mimo_info *);
258 /* scanning support */
259 void (*ic_scan_start)(struct ieee80211com *);
260 void (*ic_scan_end)(struct ieee80211com *);
261 void (*ic_set_channel)(struct ieee80211com *);
262 void (*ic_scan_curchan)(struct ieee80211_scan_state *,
263 unsigned long);
264 void (*ic_scan_mindwell)(struct ieee80211_scan_state *);
265
266 /*
267 * 802.11n ADDBA support. A simple/generic implementation
268 * of A-MPDU tx aggregation is provided; the driver may
269 * override these methods to provide their own support.
270 * A-MPDU rx re-ordering happens automatically if the
271 * driver passes out-of-order frames to ieee80211_input
272 * from an assocated HT station.
273 */
274 void (*ic_recv_action)(struct ieee80211_node *,
275 const uint8_t *frm, const uint8_t *efrm);
276 int (*ic_send_action)(struct ieee80211_node *,
277 int category, int action,
278 uint16_t args[4]);
279 /* check if A-MPDU should be enabled this station+ac */
280 int (*ic_ampdu_enable)(struct ieee80211_node *,
281 struct ieee80211_tx_ampdu *);
282 /* start/stop doing A-MPDU tx aggregation for a station */
283 int (*ic_addba_request)(struct ieee80211_node *,
284 struct ieee80211_tx_ampdu *,
285 int dialogtoken, int baparamset,
286 int batimeout);
287 int (*ic_addba_response)(struct ieee80211_node *,
288 struct ieee80211_tx_ampdu *,
289 int status, int baparamset, int batimeout);
290 void (*ic_addba_stop)(struct ieee80211_node *,
291 struct ieee80211_tx_ampdu *);
292 /* BAR response received */
293 void (*ic_bar_response)(struct ieee80211_node *,
294 struct ieee80211_tx_ampdu *, int status);
295};
296
297struct ieee80211_aclator;
298struct ieee80211_tdma_state;
299
300struct ieee80211vap {
301 struct ifmedia iv_media; /* interface media config */
302 struct ifnet *iv_ifp; /* associated device */
303 struct bpf_if *iv_rawbpf; /* packet filter structure */
304 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */
305 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */
306
307 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
308 struct ieee80211com *iv_ic; /* back ptr to common state */
309 uint32_t iv_debug; /* debug msg flags */
310 struct ieee80211_stats iv_stats; /* statistics */
311
312 uint8_t iv_myaddr[IEEE80211_ADDR_LEN];
313 uint32_t iv_flags; /* state flags */
314 uint32_t iv_flags_ext; /* extended state flags */
315 uint32_t iv_flags_ven; /* vendor state flags */
316 uint32_t iv_caps; /* capabilities */
317 uint32_t iv_htcaps; /* HT capabilities */
318 enum ieee80211_opmode iv_opmode; /* operation mode */
319 enum ieee80211_state iv_state; /* state machine state */
320 void (*iv_newstate_cb)(struct ieee80211vap *,
321 enum ieee80211_state, int);
322 struct callout iv_mgtsend; /* mgmt frame response timer */
323 /* inactivity timer settings */
324 int iv_inact_init; /* setting for new station */
325 int iv_inact_auth; /* auth but not assoc setting */
326 int iv_inact_run; /* authorized setting */
327 int iv_inact_probe; /* inactive probe time */
328
329 int iv_des_nssid; /* # desired ssids */
330 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
331 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN];
332 struct ieee80211_channel *iv_des_chan; /* desired channel */
333 uint16_t iv_des_mode; /* desired mode */
334 int iv_nicknamelen; /* XXX junk */
335 uint8_t iv_nickname[IEEE80211_NWID_LEN];
336 u_int iv_bgscanidle; /* bg scan idle threshold */
337 u_int iv_bgscanintvl; /* bg scan min interval */
338 u_int iv_scanvalid; /* scan cache valid threshold */
339 u_int iv_scanreq_duration;
340 u_int iv_scanreq_mindwell;
341 u_int iv_scanreq_maxdwell;
342 uint16_t iv_scanreq_flags;/* held scan request params */
343 uint8_t iv_scanreq_nssid;
344 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
345 /* sta-mode roaming state */
346 enum ieee80211_roamingmode iv_roaming; /* roaming mode */
347 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
348
349 uint8_t iv_bmissthreshold;
350 uint8_t iv_bmiss_count; /* current beacon miss count */
351 int iv_bmiss_max; /* max bmiss before scan */
352 uint16_t iv_swbmiss_count;/* beacons in last period */
353 uint16_t iv_swbmiss_period;/* s/w bmiss period */
354 struct callout iv_swbmiss; /* s/w beacon miss timer */
355
356 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
357 int iv_ampdu_density;/* A-MPDU density */
358 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
359 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
360 u_int iv_ampdu_mintraffic[WME_NUM_AC];
361
362 uint32_t *iv_aid_bitmap; /* association id map */
363 uint16_t iv_max_aid;
364 uint16_t iv_sta_assoc; /* stations associated */
365 uint16_t iv_ps_sta; /* stations in power save */
366 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */
367 uint16_t iv_txseq; /* mcast xmit seq# space */
368 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */
369 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/
370 uint8_t iv_dtim_period; /* DTIM period */
371 uint8_t iv_dtim_count; /* DTIM count from last bcn */
372 /* set/unset aid pwrsav state */
373 int iv_csa_count; /* count for doing CSA */
374
375 struct ieee80211_node *iv_bss; /* information for this node */
376 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
377 uint16_t iv_rtsthreshold;
378 uint16_t iv_fragthreshold;
379 int iv_inact_timer; /* inactivity timer wait */
380 /* application-specified IE's to attach to mgt frames */
381 struct ieee80211_appie *iv_appie_beacon;
382 struct ieee80211_appie *iv_appie_probereq;
383 struct ieee80211_appie *iv_appie_proberesp;
384 struct ieee80211_appie *iv_appie_assocreq;
385 struct ieee80211_appie *iv_appie_assocresp;
386 struct ieee80211_appie *iv_appie_wpa;
387 uint8_t *iv_wpa_ie;
388 uint8_t *iv_rsn_ie;
389 uint16_t iv_max_keyix; /* max h/w key index */
390 ieee80211_keyix iv_def_txkey; /* default/group tx key index */
391 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID];
392 int (*iv_key_alloc)(struct ieee80211vap *,
393 struct ieee80211_key *,
394 ieee80211_keyix *, ieee80211_keyix *);
395 int (*iv_key_delete)(struct ieee80211vap *,
396 const struct ieee80211_key *);
397 int (*iv_key_set)(struct ieee80211vap *,
398 const struct ieee80211_key *,
399 const uint8_t mac[IEEE80211_ADDR_LEN]);
400 void (*iv_key_update_begin)(struct ieee80211vap *);
401 void (*iv_key_update_end)(struct ieee80211vap *);
402
403 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
404 void *iv_ec; /* private auth state */
405
406 const struct ieee80211_aclator *iv_acl; /* acl glue */
407 void *iv_as; /* private aclator state */
408
409 struct ieee80211_tdma_state *iv_tdma; /* tdma state */
410
411 /* operate-mode detach hook */
412 void (*iv_opdetach)(struct ieee80211vap *);
413 /* receive processing */
414 int (*iv_input)(struct ieee80211_node *,
415 struct mbuf *, int rssi, int noise,
416 uint32_t rstamp);
417 void (*iv_recv_mgmt)(struct ieee80211_node *,
418 struct mbuf *, int, int, int, uint32_t);
419 void (*iv_recv_ctl)(struct ieee80211_node *,
420 struct mbuf *, int);
419 void (*iv_deliver_data)(struct ieee80211vap *,
420 struct ieee80211_node *, struct mbuf *);
421#if 0
422 /* send processing */
423 int (*iv_send_mgmt)(struct ieee80211_node *,
424 int, int);
425#endif
426 /* beacon miss processing */
427 void (*iv_bmiss)(struct ieee80211vap *);
428 /* reset device state after 802.11 parameter/state change */
429 int (*iv_reset)(struct ieee80211vap *, u_long);
430 /* [schedule] beacon frame update */
431 void (*iv_update_beacon)(struct ieee80211vap *, int);
432 /* power save handling */
433 void (*iv_update_ps)(struct ieee80211vap *, int);
434 int (*iv_set_tim)(struct ieee80211_node *, int);
435 /* state machine processing */
436 int (*iv_newstate)(struct ieee80211vap *,
437 enum ieee80211_state, int);
438 /* 802.3 output method for raw frame xmit */
439 int (*iv_output)(struct ifnet *, struct mbuf *,
440 struct sockaddr *, struct route *);
441};
442MALLOC_DECLARE(M_80211_VAP);
443
444#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
445#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
446
447/* ic_flags/iv_flags */
448#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
449#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
450#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
451#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
452/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
453#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
454#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
455#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
456#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
457#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
458/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
459#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
460#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
461#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
462#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
463#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
464#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
465#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
466#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
467#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
468#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
469#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
470#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
471#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
472#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
473#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
474#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
475#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
476#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
477#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
478#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
479#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
480#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
481#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
482
483#define IEEE80211_F_BITS \
484 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
485 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
486 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
487 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
488 "\37DOTH\40DWDS"
489
490/* Atheros protocol-specific flags */
491#define IEEE80211_F_ATHEROS \
492 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
493/* Check if an Atheros capability was negotiated for use */
494#define IEEE80211_ATH_CAP(vap, ni, bit) \
495 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
496
497/* ic_flags_ext/iv_flags_ext */
498#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
499#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
500#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
501/* 0x00000006 reserved */
502#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
503#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
504#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
505#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
506#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
507#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
508#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
509#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
510#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
511/* NB: immutable: should be set only when creating a vap */
512#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
513#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
514#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */
515#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
516#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */
517#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
518#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */
519#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
520#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
521#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
522#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
523#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
524#define IEEE80211_FEXT_RIFS 0x20000000 /* CONF: RIFS enabled */
525
526#define IEEE80211_FEXT_BITS \
527 "\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
528 "\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
529 "\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
530 "\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
531
532#define IEEE80211_FVEN_BITS "\20"
533
534/* ic_caps/iv_caps: device driver capabilities */
535/* 0x2e available */
536#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
537#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
538#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
539#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
540#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
541#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
542#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
543#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
544#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
545#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
546#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
547#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
548#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
549#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
550/* 0x7c0000 available */
551#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
552#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
553#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
554#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
555#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
556#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
557/* 0x10000000 reserved */
558#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
559#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
560#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
561/* XXX protection/barker? */
562
563#define IEEE80211_C_OPMODE \
564 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
565 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
566 IEEE80211_C_TDMA)
567
568#define IEEE80211_C_BITS \
569 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
570 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
571 "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
572 "\37TXFRAG\40TDMA"
573
574/*
575 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
576 *
577 * NB: the low 16-bits are the 802.11 definitions, the upper
578 * 16-bits are used to define s/w/driver capabilities.
579 */
580#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
581#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
582/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
583#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
584#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
585#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
586
587#define IEEE80211_C_HTCAP_BITS \
588 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
589 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
590
591void ieee80211_ifattach(struct ieee80211com *,
592 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
593void ieee80211_ifdetach(struct ieee80211com *);
594int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
595 const char name[IFNAMSIZ], int unit, int opmode, int flags,
596 const uint8_t bssid[IEEE80211_ADDR_LEN],
597 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
598int ieee80211_vap_attach(struct ieee80211vap *,
599 ifm_change_cb_t, ifm_stat_cb_t);
600void ieee80211_vap_detach(struct ieee80211vap *);
601const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
602 const struct ieee80211_channel *);
603void ieee80211_announce(struct ieee80211com *);
604void ieee80211_announce_channels(struct ieee80211com *);
605void ieee80211_drain(struct ieee80211com *);
606void ieee80211_media_init(struct ieee80211com *);
607struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
608int ieee80211_media_change(struct ifnet *);
609void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
610int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
611int ieee80211_rate2media(struct ieee80211com *, int,
612 enum ieee80211_phymode);
613int ieee80211_media2rate(int);
614int ieee80211_mhz2ieee(u_int, u_int);
615int ieee80211_chan2ieee(struct ieee80211com *,
616 const struct ieee80211_channel *);
617u_int ieee80211_ieee2mhz(u_int, u_int);
618struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
619 int freq, int flags);
620struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
621 int ieee, int flags);
622int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
623enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
624
625/*
626 * Key update synchronization methods. XXX should not be visible.
627 */
628static __inline void
629ieee80211_key_update_begin(struct ieee80211vap *vap)
630{
631 vap->iv_key_update_begin(vap);
632}
633static __inline void
634ieee80211_key_update_end(struct ieee80211vap *vap)
635{
636 vap->iv_key_update_end(vap);
637}
638
639/*
640 * XXX these need to be here for IEEE80211_F_DATAPAD
641 */
642
643/*
644 * Return the space occupied by the 802.11 header and any
645 * padding required by the driver. This works for a
646 * management or data frame.
647 */
648static __inline int
649ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
650{
651 int size = ieee80211_hdrsize(data);
652 if (ic->ic_flags & IEEE80211_F_DATAPAD)
653 size = roundup(size, sizeof(uint32_t));
654 return size;
655}
656
657/*
658 * Like ieee80211_hdrspace, but handles any type of frame.
659 */
660static __inline int
661ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
662{
663 int size = ieee80211_anyhdrsize(data);
664 if (ic->ic_flags & IEEE80211_F_DATAPAD)
665 size = roundup(size, sizeof(uint32_t));
666 return size;
667}
668
669/*
670 * Notify a vap that beacon state has been updated.
671 */
672static __inline void
673ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
674{
675 if (vap->iv_state == IEEE80211_S_RUN)
676 vap->iv_update_beacon(vap, what);
677}
678
679/*
680 * Calculate HT channel promotion flags for a channel.
681 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_*
682 */
683static __inline int
684ieee80211_htchanflags(const struct ieee80211_channel *c)
685{
686 return IEEE80211_IS_CHAN_HT40(c) ?
687 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 :
688 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0;
689}
690
691/*
692 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
693 *
694 * The intent is that any problem in the net80211 layer can be
695 * diagnosed by inspecting the statistics (dumped by the wlanstats
696 * program) and/or the msgs generated by net80211. Messages are
697 * broken into functional classes and can be controlled with the
698 * wlandebug program. Certain of these msg groups are for facilities
699 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
700 */
701#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
702#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
703#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
704#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
705#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
706#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
707#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
708#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
709#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
710#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
711#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
712#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
713#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
714#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
715#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */
716#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
717#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
718#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
719#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
720#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
721#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
722#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
723#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
724#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
725#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
726#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
727#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
728#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
729#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
730#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
731#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
732
733#define IEEE80211_MSG_ANY 0xffffffff /* anything */
734
735#define IEEE80211_MSG_BITS \
736 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
737 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
738 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
739 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
740
741#ifdef IEEE80211_DEBUG
742#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
743#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
744 if (ieee80211_msg(_vap, _m)) \
745 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
746} while (0)
747#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
748 if (ieee80211_msg(_vap, _m)) \
749 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
750} while (0)
751#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
752 if (ieee80211_msg(_vap, _m)) \
753 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
754} while (0)
755#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
756 if (ieee80211_msg(_vap, _m)) \
757 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
758} while (0)
759void ieee80211_note(struct ieee80211vap *, const char *, ...);
760void ieee80211_note_mac(struct ieee80211vap *,
761 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
762void ieee80211_note_frame(struct ieee80211vap *,
763 const struct ieee80211_frame *, const char *, ...);
764#define ieee80211_msg_debug(_vap) \
765 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
766#define ieee80211_msg_dumppkts(_vap) \
767 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
768#define ieee80211_msg_input(_vap) \
769 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
770#define ieee80211_msg_radius(_vap) \
771 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
772#define ieee80211_msg_dumpradius(_vap) \
773 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
774#define ieee80211_msg_dumpradkeys(_vap) \
775 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
776#define ieee80211_msg_scan(_vap) \
777 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
778#define ieee80211_msg_assoc(_vap) \
779 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
780
781/*
782 * Emit a debug message about discarding a frame or information
783 * element. One format is for extracting the mac address from
784 * the frame header; the other is for when a header is not
785 * available or otherwise appropriate.
786 */
787#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
788 if ((_vap)->iv_debug & (_m)) \
789 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
790} while (0)
791#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
792 if ((_vap)->iv_debug & (_m)) \
793 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
794} while (0)
795#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
796 if ((_vap)->iv_debug & (_m)) \
797 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
798} while (0)
799
800void ieee80211_discard_frame(struct ieee80211vap *,
801 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
802void ieee80211_discard_ie(struct ieee80211vap *,
803 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
804void ieee80211_discard_mac(struct ieee80211vap *,
805 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
806 const char *fmt, ...);
807#else
808#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
809#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
810#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
811#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
812#define ieee80211_msg_dumppkts(_vap) 0
813#define ieee80211_msg(_vap, _m) 0
814
815#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
816#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
817#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
818#endif
819
820#endif /* _NET80211_IEEE80211_VAR_H_ */
421 void (*iv_deliver_data)(struct ieee80211vap *,
422 struct ieee80211_node *, struct mbuf *);
423#if 0
424 /* send processing */
425 int (*iv_send_mgmt)(struct ieee80211_node *,
426 int, int);
427#endif
428 /* beacon miss processing */
429 void (*iv_bmiss)(struct ieee80211vap *);
430 /* reset device state after 802.11 parameter/state change */
431 int (*iv_reset)(struct ieee80211vap *, u_long);
432 /* [schedule] beacon frame update */
433 void (*iv_update_beacon)(struct ieee80211vap *, int);
434 /* power save handling */
435 void (*iv_update_ps)(struct ieee80211vap *, int);
436 int (*iv_set_tim)(struct ieee80211_node *, int);
437 /* state machine processing */
438 int (*iv_newstate)(struct ieee80211vap *,
439 enum ieee80211_state, int);
440 /* 802.3 output method for raw frame xmit */
441 int (*iv_output)(struct ifnet *, struct mbuf *,
442 struct sockaddr *, struct route *);
443};
444MALLOC_DECLARE(M_80211_VAP);
445
446#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
447#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
448
449/* ic_flags/iv_flags */
450#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/
451#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */
452#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */
453#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */
454/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
455#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */
456#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */
457#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */
458#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */
459#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */
460/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
461#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/
462#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */
463#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */
464#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */
465#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/
466#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */
467#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */
468#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */
469#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */
470#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */
471#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
472#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/
473#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/
474#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */
475#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */
476#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */
477#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */
478#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */
479#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */
480#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */
481#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */
482#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */
483#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */
484
485#define IEEE80211_F_BITS \
486 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
487 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
488 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
489 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
490 "\37DOTH\40DWDS"
491
492/* Atheros protocol-specific flags */
493#define IEEE80211_F_ATHEROS \
494 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
495/* Check if an Atheros capability was negotiated for use */
496#define IEEE80211_ATH_CAP(vap, ni, bit) \
497 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
498
499/* ic_flags_ext/iv_flags_ext */
500#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */
501#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */
502#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */
503/* 0x00000006 reserved */
504#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */
505#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */
506#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */
507#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */
508#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */
509#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/
510#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */
511#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */
512#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */
513/* NB: immutable: should be set only when creating a vap */
514#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */
515#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/
516#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */
517#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */
518#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */
519#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */
520#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */
521#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */
522#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */
523#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */
524#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */
525#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */
526#define IEEE80211_FEXT_RIFS 0x20000000 /* CONF: RIFS enabled */
527
528#define IEEE80211_FEXT_BITS \
529 "\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
530 "\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
531 "\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
532 "\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
533
534#define IEEE80211_FVEN_BITS "\20"
535
536/* ic_caps/iv_caps: device driver capabilities */
537/* 0x2e available */
538#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
539#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
540#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
541#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
542#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
543#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
544#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
545#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
546#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
547#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
548#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
549#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
550#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
551#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
552/* 0x7c0000 available */
553#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
554#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
555#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
556#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
557#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
558#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
559/* 0x10000000 reserved */
560#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
561#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
562#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
563/* XXX protection/barker? */
564
565#define IEEE80211_C_OPMODE \
566 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
567 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
568 IEEE80211_C_TDMA)
569
570#define IEEE80211_C_BITS \
571 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
572 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
573 "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
574 "\37TXFRAG\40TDMA"
575
576/*
577 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
578 *
579 * NB: the low 16-bits are the 802.11 definitions, the upper
580 * 16-bits are used to define s/w/driver capabilities.
581 */
582#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
583#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
584/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
585#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
586#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
587#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
588
589#define IEEE80211_C_HTCAP_BITS \
590 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
591 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
592
593void ieee80211_ifattach(struct ieee80211com *,
594 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
595void ieee80211_ifdetach(struct ieee80211com *);
596int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
597 const char name[IFNAMSIZ], int unit, int opmode, int flags,
598 const uint8_t bssid[IEEE80211_ADDR_LEN],
599 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
600int ieee80211_vap_attach(struct ieee80211vap *,
601 ifm_change_cb_t, ifm_stat_cb_t);
602void ieee80211_vap_detach(struct ieee80211vap *);
603const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
604 const struct ieee80211_channel *);
605void ieee80211_announce(struct ieee80211com *);
606void ieee80211_announce_channels(struct ieee80211com *);
607void ieee80211_drain(struct ieee80211com *);
608void ieee80211_media_init(struct ieee80211com *);
609struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
610int ieee80211_media_change(struct ifnet *);
611void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
612int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
613int ieee80211_rate2media(struct ieee80211com *, int,
614 enum ieee80211_phymode);
615int ieee80211_media2rate(int);
616int ieee80211_mhz2ieee(u_int, u_int);
617int ieee80211_chan2ieee(struct ieee80211com *,
618 const struct ieee80211_channel *);
619u_int ieee80211_ieee2mhz(u_int, u_int);
620struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
621 int freq, int flags);
622struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
623 int ieee, int flags);
624int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
625enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
626
627/*
628 * Key update synchronization methods. XXX should not be visible.
629 */
630static __inline void
631ieee80211_key_update_begin(struct ieee80211vap *vap)
632{
633 vap->iv_key_update_begin(vap);
634}
635static __inline void
636ieee80211_key_update_end(struct ieee80211vap *vap)
637{
638 vap->iv_key_update_end(vap);
639}
640
641/*
642 * XXX these need to be here for IEEE80211_F_DATAPAD
643 */
644
645/*
646 * Return the space occupied by the 802.11 header and any
647 * padding required by the driver. This works for a
648 * management or data frame.
649 */
650static __inline int
651ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
652{
653 int size = ieee80211_hdrsize(data);
654 if (ic->ic_flags & IEEE80211_F_DATAPAD)
655 size = roundup(size, sizeof(uint32_t));
656 return size;
657}
658
659/*
660 * Like ieee80211_hdrspace, but handles any type of frame.
661 */
662static __inline int
663ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
664{
665 int size = ieee80211_anyhdrsize(data);
666 if (ic->ic_flags & IEEE80211_F_DATAPAD)
667 size = roundup(size, sizeof(uint32_t));
668 return size;
669}
670
671/*
672 * Notify a vap that beacon state has been updated.
673 */
674static __inline void
675ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
676{
677 if (vap->iv_state == IEEE80211_S_RUN)
678 vap->iv_update_beacon(vap, what);
679}
680
681/*
682 * Calculate HT channel promotion flags for a channel.
683 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_*
684 */
685static __inline int
686ieee80211_htchanflags(const struct ieee80211_channel *c)
687{
688 return IEEE80211_IS_CHAN_HT40(c) ?
689 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 :
690 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0;
691}
692
693/*
694 * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
695 *
696 * The intent is that any problem in the net80211 layer can be
697 * diagnosed by inspecting the statistics (dumped by the wlanstats
698 * program) and/or the msgs generated by net80211. Messages are
699 * broken into functional classes and can be controlled with the
700 * wlandebug program. Certain of these msg groups are for facilities
701 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X).
702 */
703#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
704#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
705#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
706#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
707#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
708#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
709#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
710#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
711#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
712#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
713#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
714#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
715#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
716#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
717#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */
718#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
719#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
720#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
721#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
722#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
723#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
724#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
725#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
726#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
727#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
728#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
729#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
730#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
731#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
732#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
733#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
734
735#define IEEE80211_MSG_ANY 0xffffffff /* anything */
736
737#define IEEE80211_MSG_BITS \
738 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
739 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \
740 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
741 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
742
743#ifdef IEEE80211_DEBUG
744#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
745#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \
746 if (ieee80211_msg(_vap, _m)) \
747 ieee80211_note(_vap, _fmt, __VA_ARGS__); \
748} while (0)
749#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \
750 if (ieee80211_msg(_vap, _m)) \
751 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
752} while (0)
753#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \
754 if (ieee80211_msg(_vap, _m)) \
755 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \
756} while (0)
757#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \
758 if (ieee80211_msg(_vap, _m)) \
759 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \
760} while (0)
761void ieee80211_note(struct ieee80211vap *, const char *, ...);
762void ieee80211_note_mac(struct ieee80211vap *,
763 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
764void ieee80211_note_frame(struct ieee80211vap *,
765 const struct ieee80211_frame *, const char *, ...);
766#define ieee80211_msg_debug(_vap) \
767 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
768#define ieee80211_msg_dumppkts(_vap) \
769 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
770#define ieee80211_msg_input(_vap) \
771 ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
772#define ieee80211_msg_radius(_vap) \
773 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
774#define ieee80211_msg_dumpradius(_vap) \
775 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
776#define ieee80211_msg_dumpradkeys(_vap) \
777 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
778#define ieee80211_msg_scan(_vap) \
779 ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
780#define ieee80211_msg_assoc(_vap) \
781 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
782
783/*
784 * Emit a debug message about discarding a frame or information
785 * element. One format is for extracting the mac address from
786 * the frame header; the other is for when a header is not
787 * available or otherwise appropriate.
788 */
789#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \
790 if ((_vap)->iv_debug & (_m)) \
791 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
792} while (0)
793#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \
794 if ((_vap)->iv_debug & (_m)) \
795 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
796} while (0)
797#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \
798 if ((_vap)->iv_debug & (_m)) \
799 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
800} while (0)
801
802void ieee80211_discard_frame(struct ieee80211vap *,
803 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
804void ieee80211_discard_ie(struct ieee80211vap *,
805 const struct ieee80211_frame *, const char *type, const char *fmt, ...);
806void ieee80211_discard_mac(struct ieee80211vap *,
807 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
808 const char *fmt, ...);
809#else
810#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
811#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
812#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
813#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
814#define ieee80211_msg_dumppkts(_vap) 0
815#define ieee80211_msg(_vap, _m) 0
816
817#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
818#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
819#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
820#endif
821
822#endif /* _NET80211_IEEE80211_VAR_H_ */