xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision a9148abd9da5db2f1c682fb17bed791845fc41c9)
1 /*-
2  * Copyright (c) 2007-2008 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include "opt_ddb.h"
30 #include "opt_wlan.h"
31 
32 #ifdef DDB
33 /*
34  * IEEE 802.11 DDB support
35  */
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/socket.h>
40 #include <sys/vimage.h>
41 
42 #include <net/if.h>
43 #include <net/if_dl.h>
44 #include <net/if_media.h>
45 #include <net/if_types.h>
46 #include <net/ethernet.h>
47 
48 #include <net80211/ieee80211_var.h>
49 
50 #include <ddb/ddb.h>
51 #include <ddb/db_sym.h>
52 
53 #define	IEEE80211_MSG_BITS \
54 	"\20\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
55 	"\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1X\22POWER" \
56 	"\23STATE\24OUTPUT\25SCAN\26AUTH\27ASSOC\30NODE\31ELEMID\32XRATE" \
57 	"\33INPUT\34CRYPTO\35DUPMPKTS\36DEBUG\3711N"
58 
59 #define	IEEE80211_F_BITS \
60 	"\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
61 	"\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
62 	"\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
63 	"\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
64 	"\37DOTH\40DWDS"
65 
66 #define	IEEE80211_FEXT_BITS \
67 	"\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
68 	"\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
69 	"\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
70 	"\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
71 
72 #define	IEEE80211_FVEN_BITS	"\20"
73 
74 #define	IEEE80211_C_BITS \
75 	"\20\1STA\7FF\10TURBOP\11IBSS\12PMGT" \
76 	"\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
77 	"\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
78 	"\37TXFRAG"
79 
80 #define	IEEE80211_C_CRYPTO_BITS \
81 	"\20\1WEP\2TKIP\3AES\4AES_CCM\5TKIPMIC\6CKIP\12PMGT"
82 
83 #define	IEEE80211_C_HTCAP_BITS \
84 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
85 	"\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
86 
87 /* NB: policy bits not included */
88 #define	IEEE80211_CHAN_BITS \
89 	"\20\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ\12PASSIVE\13DYN\14GFSK" \
90 	"\15STURBO\16HALF\17QUARTER\20HT20\21HT40U\22HT40D\23DFS"
91 
92 #define	IEEE80211_NODE_BITS \
93 	"\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
94 	"\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40"
95 
96 #define	IEEE80211_ERP_BITS \
97 	"\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
98 
99 #define	IEEE80211_CAPINFO_BITS \
100 	"\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
101 	"\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
102 	"\16DSSOFDM"
103 
104 #define	IEEE80211_HTCAP_BITS \
105 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
106 	"\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
107 	"\20LSIGTXOPPROT"
108 
109 #define	IEEE80211_AGGR_BITS \
110 	"\20\1IMMEDIATE\2XCHGPEND\3RUNNING\4SETUP\5NAK"
111 
112 #define DB_PRINTSYM(prefix, addr) \
113 	db_printf(prefix " "); \
114 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
115 	db_printf("\n");
116 
117 static void _db_show_sta(const struct ieee80211_node *);
118 static void _db_show_vap(const struct ieee80211vap *, int);
119 static void _db_show_com(const struct ieee80211com *,
120 	int showvaps, int showsta, int showprocs);
121 
122 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
123 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
124 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
125 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
126 static void _db_show_roamparams(const char *tag, const void *arg,
127 	const struct ieee80211_roamparam *rp);
128 static void _db_show_txparams(const char *tag, const void *arg,
129 	const struct ieee80211_txparam *tp);
130 static void _db_show_stats(const struct ieee80211_stats *);
131 
132 DB_SHOW_COMMAND(sta, db_show_sta)
133 {
134 	if (!have_addr) {
135 		db_printf("usage: show sta <addr>\n");
136 		return;
137 	}
138 	_db_show_sta((const struct ieee80211_node *) addr);
139 }
140 
141 DB_SHOW_COMMAND(vap, db_show_vap)
142 {
143 	int i, showprocs = 0;
144 
145 	if (!have_addr) {
146 		db_printf("usage: show vap <addr>\n");
147 		return;
148 	}
149 	for (i = 0; modif[i] != '\0'; i++)
150 		switch (modif[i]) {
151 		case 'a':
152 			showprocs = 1;
153 			break;
154 		case 'p':
155 			showprocs = 1;
156 			break;
157 		}
158 	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
159 }
160 
161 DB_SHOW_COMMAND(com, db_show_com)
162 {
163 	const struct ieee80211com *ic;
164 	int i, showprocs = 0, showvaps = 0, showsta = 0;
165 
166 	if (!have_addr) {
167 		db_printf("usage: show com <addr>\n");
168 		return;
169 	}
170 	for (i = 0; modif[i] != '\0'; i++)
171 		switch (modif[i]) {
172 		case 'a':
173 			showsta = showvaps = showprocs = 1;
174 			break;
175 		case 's':
176 			showsta = 1;
177 			break;
178 		case 'v':
179 			showvaps = 1;
180 			break;
181 		case 'p':
182 			showprocs = 1;
183 			break;
184 		}
185 
186 	ic = (const struct ieee80211com *) addr;
187 	_db_show_com(ic, showvaps, showsta, showprocs);
188 }
189 
190 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
191 {
192 	VNET_ITERATOR_DECL(vnet_iter);
193 	const struct ifnet *ifp;
194 	int i, showall = 0;
195 
196 	for (i = 0; modif[i] != '\0'; i++)
197 		switch (modif[i]) {
198 		case 'a':
199 			showall = 1;
200 			break;
201 		}
202 
203 	VNET_FOREACH(vnet_iter) {
204 		INIT_VNET_NET(vnet_iter);
205 		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
206 			if (ifp->if_type == IFT_IEEE80211) {
207 				const struct ieee80211com *ic = ifp->if_l2com;
208 
209 				if (!showall) {
210 					const struct ieee80211vap *vap;
211 					db_printf("%s: com %p vaps:",
212 					    ifp->if_xname, ic);
213 					TAILQ_FOREACH(vap, &ic->ic_vaps,
214 					    iv_next)
215 						db_printf(" %s(%p)",
216 						    vap->iv_ifp->if_xname, vap);
217 					db_printf("\n");
218 				} else
219 					_db_show_com(ic, 1, 1, 1);
220 			}
221 	}
222 }
223 
224 static void
225 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
226 {
227 	db_printf("%stxampdu[%d]: %p flags %b ac %u\n",
228 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS, tap->txa_ac);
229 	db_printf("%s  token %u qbytes %d qframes %d start %u wnd %u\n",
230 		sep, tap->txa_token, tap->txa_qbytes, tap->txa_qframes,
231 		tap->txa_start, tap->txa_wnd);
232 	db_printf("%s  attempts %d nextrequest %d\n",
233 		sep, tap->txa_attempts, tap->txa_nextrequest);
234 	/* XXX packet q + timer */
235 }
236 
237 static void
238 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
239 {
240 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
241 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
242 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
243 		sep, rap->rxa_qbytes, rap->rxa_qframes,
244 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
245 	db_printf("%s  age %d nframes %d\n",
246 		sep, rap->rxa_age, rap->rxa_nframes);
247 }
248 
249 static void
250 _db_show_sta(const struct ieee80211_node *ni)
251 {
252 	int i;
253 
254 	db_printf("0x%p: mac %s refcnt %d\n", ni,
255 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
256 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
257 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
258 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
259 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
260 		ni->ni_scangen, ni->ni_authmode,
261 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
262 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
263 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
264 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
265 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
266 		ni->ni_challenge);
267 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
268 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
269 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
270 		ni->ni_ies.ath_ie);
271 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
272 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
273 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
274 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
275 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
276 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
277 		ni->ni_rxfragstamp);
278 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
279 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
280 	db_printf("\trstamp %u avgrssi 0x%x (rssi %d) noise %d\n",
281 		ni->ni_rstamp, ni->ni_avgrssi,
282 		IEEE80211_RSSI_GET(ni->ni_avgrssi), ni->ni_noise);
283 	db_printf("\tintval %u capinfo %b\n",
284 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
285 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
286 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
287 	db_printf("\n");
288 	_db_show_channel("\tchannel", ni->ni_chan);
289 	db_printf("\n");
290 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
291 		ni->ni_erp, IEEE80211_ERP_BITS,
292 		ni->ni_dtim_period, ni->ni_dtim_count);
293 
294 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
295 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
296 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
297 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
298 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
299 
300 	/* XXX ampdu state */
301 	for (i = 0; i < WME_NUM_AC; i++)
302 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
303 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
304 	for (i = 0; i < WME_NUM_TID; i++)
305 		if (ni->ni_rx_ampdu[i].rxa_nframes)
306 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
307 
308 	db_printf("\tinact %u inact_reload %u txrate %u\n",
309 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
310 	/* XXX savedq */
311 	/* XXX wdsq */
312 }
313 
314 static void
315 _db_show_vap(const struct ieee80211vap *vap, int showprocs)
316 {
317 	const struct ieee80211com *ic = vap->iv_ic;
318 	int i;
319 
320 	db_printf("%p:", vap);
321 	db_printf(" bss %p", vap->iv_bss);
322 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
323 	db_printf("\n");
324 
325 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
326 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
327 	db_printf(" ifp %p", vap->iv_ifp);
328 	db_printf("\n");
329 
330 	db_printf("\tic %p", vap->iv_ic);
331 	db_printf(" media %p", &vap->iv_media);
332 	db_printf(" bpf_if %p", vap->iv_rawbpf);
333 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
334 #if 0
335 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
336 #endif
337 	db_printf("\n");
338 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
339 
340 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
341 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
342 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
343 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
344 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
345 
346 	_db_show_stats(&vap->iv_stats);
347 
348 	db_printf("\tinact_init %d", vap->iv_inact_init);
349 	db_printf(" inact_auth %d", vap->iv_inact_auth);
350 	db_printf(" inact_run %d", vap->iv_inact_run);
351 	db_printf(" inact_probe %d", vap->iv_inact_probe);
352 	db_printf("\n");
353 
354 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
355 	if (vap->iv_des_nssid)
356 		_db_show_ssid(" des_ssid[%u] ", 0,
357 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
358 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
359 	db_printf("\n");
360 	db_printf("\tdes_mode %d", vap->iv_des_mode);
361 	_db_show_channel(" des_chan", vap->iv_des_chan);
362 	db_printf("\n");
363 #if 0
364 	int			iv_nicknamelen;	/* XXX junk */
365 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
366 #endif
367 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
368 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
369 	db_printf(" scanvalid %u", vap->iv_scanvalid);
370 	db_printf("\n");
371 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
372 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
373 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
374 	db_printf("\n");
375 	db_printf(" scanreq_flags 0x%x", vap->iv_scanreq_flags);
376 	db_printf("\tscanreq_nssid %d", vap->iv_scanreq_nssid);
377 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
378 		_db_show_ssid(" scanreq_ssid[%u]", i,
379 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
380 	db_printf(" roaming %d", vap->iv_roaming);
381 	db_printf("\n");
382 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
383 		if (isset(ic->ic_modecaps, i)) {
384 			_db_show_roamparams("\troamparms[%s]",
385 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
386 			db_printf("\n");
387 		}
388 
389 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
390 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
391 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
392 	db_printf("\n");
393 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
394 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
395 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
396 	db_printf("\n");
397 
398 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
399 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
400 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
401 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
402 	db_printf("\n");
403 
404 	db_printf("\tmax_aid %u", vap->iv_max_aid);
405 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
406 	db_printf("\n");
407 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
408 	db_printf(" ps_sta %u", vap->iv_ps_sta);
409 	db_printf(" ps_pending %u", vap->iv_ps_pending);
410 	db_printf(" tim_len %u", vap->iv_tim_len);
411 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
412 	db_printf("\n");
413 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
414 	db_printf(" dtim_count %u", vap->iv_dtim_count);
415 	db_printf(" set_tim %p", vap->iv_set_tim);
416 	db_printf(" csa_count %d", vap->iv_csa_count);
417 	db_printf("\n");
418 
419 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
420 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
421 	db_printf(" inact_timer %d", vap->iv_inact_timer);
422 	db_printf("\n");
423 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
424 		if (isset(ic->ic_modecaps, i)) {
425 			_db_show_txparams("\ttxparms[%s]",
426 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
427 			db_printf("\n");
428 		}
429 
430 	/* application-specified IE's to attach to mgt frames */
431 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
432 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
433 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
434 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
435 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
436 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
437 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
438 		if (vap->iv_wpa_ie != NULL)
439 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
440 		if (vap->iv_rsn_ie != NULL)
441 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
442 		db_printf("\n");
443 	}
444 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
445 	db_printf(" def_txkey %d", vap->iv_def_txkey);
446 	db_printf("\n");
447 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
448 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
449 
450 	db_printf("\tauth %p", vap->iv_auth);
451 	db_printf(" ec %p", vap->iv_ec);
452 
453 	db_printf(" acl %p", vap->iv_acl);
454 	db_printf(" as %p", vap->iv_as);
455 	db_printf("\n");
456 
457 	if (showprocs) {
458 		DB_PRINTSYM("\tiv_key_alloc", vap->iv_key_alloc);
459 		DB_PRINTSYM("\tiv_key_delete", vap->iv_key_delete);
460 		DB_PRINTSYM("\tiv_key_set", vap->iv_key_set);
461 		DB_PRINTSYM("\tiv_key_update_begin", vap->iv_key_update_begin);
462 		DB_PRINTSYM("\tiv_key_update_end", vap->iv_key_update_end);
463 		DB_PRINTSYM("\tiv_opdetach", vap->iv_opdetach);
464 		DB_PRINTSYM("\tiv_input", vap->iv_input);
465 		DB_PRINTSYM("\tiv_recv_mgmt", vap->iv_recv_mgmt);
466 		DB_PRINTSYM("\tiv_deliver_data", vap->iv_deliver_data);
467 		DB_PRINTSYM("\tiv_bmiss", vap->iv_bmiss);
468 		DB_PRINTSYM("\tiv_reset", vap->iv_reset);
469 		DB_PRINTSYM("\tiv_update_beacon", vap->iv_update_beacon);
470 		DB_PRINTSYM("\tiv_newstate", vap->iv_newstate);
471 		DB_PRINTSYM("\tiv_output", vap->iv_output);
472 	}
473 }
474 
475 static void
476 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
477 {
478 	struct ieee80211vap *vap;
479 
480 	db_printf("%p:", ic);
481 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
482 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
483 	db_printf("\n");
484 	db_printf("\tifp %p", ic->ic_ifp);
485 	db_printf(" comlock %p", &ic->ic_comlock);
486 	db_printf("\n");
487 	_db_show_stats(&ic->ic_stats);
488 	db_printf("\theadroom %d", ic->ic_headroom);
489 	db_printf(" phytype %d", ic->ic_phytype);
490 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
491 	db_printf("\n");
492 	db_printf("\tmedia %p", &ic->ic_media);
493 	db_printf(" myaddr %s", ether_sprintf(ic->ic_myaddr));
494 	db_printf(" inact %p", &ic->ic_inact);
495 	db_printf("\n");
496 
497 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
498 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
499 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
500 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
501 	db_printf("\tcryptocaps=%b\n",
502 	    ic->ic_cryptocaps, IEEE80211_C_CRYPTO_BITS);
503 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
504 
505 #if 0
506 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
507 #endif
508 	db_printf("\tcurmode %u", ic->ic_curmode);
509 	db_printf(" promisc %u", ic->ic_promisc);
510 	db_printf(" allmulti %u", ic->ic_allmulti);
511 	db_printf(" nrunning %u", ic->ic_nrunning);
512 	db_printf("\n");
513 	db_printf("\tbintval %u", ic->ic_bintval);
514 	db_printf(" lintval %u", ic->ic_lintval);
515 	db_printf(" holdover %u", ic->ic_holdover);
516 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
517 	db_printf("\n");
518 #if 0
519 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
520 #endif
521 	/*
522 	 * Channel state:
523 	 *
524 	 * ic_channels is the set of available channels for the device;
525 	 *    it is setup by the driver
526 	 * ic_nchans is the number of valid entries in ic_channels
527 	 * ic_chan_avail is a bit vector of these channels used to check
528 	 *    whether a channel is available w/o searching the channel table.
529 	 * ic_chan_active is a (potentially) constrained subset of
530 	 *    ic_chan_avail that reflects any mode setting or user-specified
531 	 *    limit on the set of channels to use/scan
532 	 * ic_curchan is the current channel the device is set to; it may
533 	 *    be different from ic_bsschan when we are off-channel scanning
534 	 *    or otherwise doing background work
535 	 * ic_bsschan is the channel selected for operation; it may
536 	 *    be undefined (IEEE80211_CHAN_ANYC)
537 	 * ic_prevchan is a cached ``previous channel'' used to optimize
538 	 *    lookups when switching back+forth between two channels
539 	 *    (e.g. for dynamic turbo)
540 	 */
541 	db_printf("\tnchans %d", ic->ic_nchans);
542 #if 0
543 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
544 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
545 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
546 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
547 #endif
548 	db_printf("\n");
549 	_db_show_channel("\tcurchan", ic->ic_curchan);
550 	db_printf("\n");
551 	_db_show_channel("\tbsschan", ic->ic_bsschan);
552 	db_printf("\n");
553 	_db_show_channel("\tprevchan", ic->ic_prevchan);
554 	db_printf("\n");
555 	db_printf("\tregdomain %p", &ic->ic_regdomain);
556 	db_printf("\n");
557 
558 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
559 	db_printf(" csa_count %d", ic->ic_csa_count);
560 	db_printf( "dfs %p", &ic->ic_dfs);
561 	db_printf("\n");
562 
563 	db_printf("\tscan %p", ic->ic_scan);
564 	db_printf(" lastdata %d", ic->ic_lastdata);
565 	db_printf(" lastscan %d", ic->ic_lastscan);
566 	db_printf("\n");
567 
568 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
569 	db_printf(" sta %p", &ic->ic_sta);
570 	db_printf(" wme %p", &ic->ic_wme);
571 	db_printf("\n");
572 
573 	db_printf("\tprotmode %d", ic->ic_protmode);
574 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
575 	db_printf(" longslotsta %u", ic->ic_longslotsta);
576 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
577 	db_printf("\n");
578 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
579 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
580 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
581 	db_printf("\n");
582 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
583 	db_printf(" htprotmode %d", ic->ic_htprotmode);
584 	db_printf(" lastnonht %d", ic->ic_lastnonht);
585 	db_printf("\n");
586 
587 	if (showprocs) {
588 		DB_PRINTSYM("\tic_vap_create", ic->ic_vap_create);
589 		DB_PRINTSYM("\tic_vap_delete", ic->ic_vap_delete);
590 #if 0
591 		/* operating mode attachment */
592 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
593 #endif
594 		DB_PRINTSYM("\tic_newassoc", ic->ic_newassoc);
595 		DB_PRINTSYM("\tic_getradiocaps", ic->ic_getradiocaps);
596 		DB_PRINTSYM("\tic_setregdomain", ic->ic_setregdomain);
597 		DB_PRINTSYM("\tic_send_mgmt", ic->ic_send_mgmt);
598 		DB_PRINTSYM("\tic_raw_xmit", ic->ic_raw_xmit);
599 		DB_PRINTSYM("\tic_updateslot", ic->ic_updateslot);
600 		DB_PRINTSYM("\tic_update_mcast", ic->ic_update_mcast);
601 		DB_PRINTSYM("\tic_update_promisc", ic->ic_update_promisc);
602 		DB_PRINTSYM("\tic_node_alloc", ic->ic_node_alloc);
603 		DB_PRINTSYM("\tic_node_free", ic->ic_node_free);
604 		DB_PRINTSYM("\tic_node_cleanup", ic->ic_node_cleanup);
605 		DB_PRINTSYM("\tic_node_getrssi", ic->ic_node_getrssi);
606 		DB_PRINTSYM("\tic_node_getsignal", ic->ic_node_getsignal);
607 		DB_PRINTSYM("\tic_node_getmimoinfo", ic->ic_node_getmimoinfo);
608 		DB_PRINTSYM("\tic_scan_start", ic->ic_scan_start);
609 		DB_PRINTSYM("\tic_scan_end", ic->ic_scan_end);
610 		DB_PRINTSYM("\tic_set_channel", ic->ic_set_channel);
611 		DB_PRINTSYM("\tic_scan_curchan", ic->ic_scan_curchan);
612 		DB_PRINTSYM("\tic_scan_mindwell", ic->ic_scan_mindwell);
613 		DB_PRINTSYM("\tic_recv_action", ic->ic_recv_action);
614 		DB_PRINTSYM("\tic_send_action", ic->ic_send_action);
615 		DB_PRINTSYM("\tic_addba_request", ic->ic_addba_request);
616 		DB_PRINTSYM("\tic_addba_response", ic->ic_addba_response);
617 		DB_PRINTSYM("\tic_addba_stop", ic->ic_addba_stop);
618 	}
619 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
620 		db_printf("\n");
621 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
622 			_db_show_vap(vap, showprocs);
623 	}
624 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
625 		const struct ieee80211_node_table *nt = &ic->ic_sta;
626 		const struct ieee80211_node *ni;
627 
628 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
629 			db_printf("\n");
630 			_db_show_sta(ni);
631 		}
632 	}
633 }
634 
635 static void
636 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
637 {
638 	db_printf("%s ", tag);
639 	if (c == NULL)
640 		db_printf("<NULL>");
641 	else if (c == IEEE80211_CHAN_ANYC)
642 		db_printf("<ANY>");
643 	else
644 		db_printf("[%u (%u) flags=%b maxreg %u maxpow %u minpow %u state 0x%x extieee %u]",
645 		    c->ic_freq, c->ic_ieee,
646 		    c->ic_flags, IEEE80211_CHAN_BITS,
647 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
648 		    c->ic_state, c->ic_extieee);
649 }
650 
651 static void
652 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
653 {
654 	const uint8_t *p;
655 	int i;
656 
657 	db_printf(tag, ix);
658 
659 	if (len > IEEE80211_NWID_LEN)
660 		len = IEEE80211_NWID_LEN;
661 	/* determine printable or not */
662 	for (i = 0, p = ssid; i < len; i++, p++) {
663 		if (*p < ' ' || *p > 0x7e)
664 			break;
665 	}
666 	if (i == len) {
667 		db_printf("\"");
668 		for (i = 0, p = ssid; i < len; i++, p++)
669 			db_printf("%c", *p);
670 		db_printf("\"");
671 	} else {
672 		db_printf("0x");
673 		for (i = 0, p = ssid; i < len; i++, p++)
674 			db_printf("%02x", *p);
675 	}
676 }
677 
678 static void
679 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
680 {
681 	const uint8_t *p;
682 	int i;
683 
684 	if (ie == NULL)
685 		return;
686 	db_printf("%s [0x", tag);
687 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
688 		db_printf("%02x", *p);
689 	db_printf("]\n");
690 }
691 
692 static void
693 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
694 {
695 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
696 	const struct ieee80211_cipher *cip = wk->wk_cipher;
697 	int keylen = wk->wk_keylen;
698 
699 	if ((wk->wk_flags & IEEE80211_KEY_DEVKEY) == 0)
700 		return;
701 	db_printf(tag, ix);
702 	switch (cip->ic_cipher) {
703 	case IEEE80211_CIPHER_WEP:
704 		/* compatibility */
705 		db_printf(" wepkey %u:%s", wk->wk_keyix,
706 		    keylen <= 5 ? "40-bit" :
707 		    keylen <= 13 ? "104-bit" : "128-bit");
708 		break;
709 	case IEEE80211_CIPHER_TKIP:
710 		if (keylen > 128/8)
711 			keylen -= 128/8;	/* ignore MIC for now */
712 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
713 		break;
714 	case IEEE80211_CIPHER_AES_OCB:
715 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
716 		break;
717 	case IEEE80211_CIPHER_AES_CCM:
718 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
719 		break;
720 	case IEEE80211_CIPHER_CKIP:
721 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
722 		break;
723 	case IEEE80211_CIPHER_NONE:
724 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
725 		break;
726 	default:
727 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
728 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
729 		break;
730 	}
731 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
732 		int i;
733 
734 		db_printf(" <");
735 		for (i = 0; i < keylen; i++)
736 			db_printf("%02x", wk->wk_key[i]);
737 		db_printf(">");
738 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
739 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
740 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
741 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
742 		    wk->wk_keytsc != 0)
743 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
744 		if (wk->wk_flags != 0) {
745 			const char *sep = " ";
746 
747 			if (wk->wk_flags & IEEE80211_KEY_XMIT)
748 				db_printf("%stx", sep), sep = "+";
749 			if (wk->wk_flags & IEEE80211_KEY_RECV)
750 				db_printf("%srx", sep), sep = "+";
751 			if (wk->wk_flags & IEEE80211_KEY_DEFAULT)
752 				db_printf("%sdef", sep), sep = "+";
753 			if (wk->wk_flags & IEEE80211_KEY_SWCRYPT)
754 				db_printf("%sswcrypt", sep), sep = "+";
755 			if (wk->wk_flags & IEEE80211_KEY_SWMIC)
756 				db_printf("%sswmic", sep), sep = "+";
757 		}
758 		db_printf("\n");
759 	}
760 }
761 
762 static void
763 printrate(const char *tag, int v)
764 {
765 	if (v == IEEE80211_FIXED_RATE_NONE)
766 		db_printf(" %s <none>", tag);
767 	else if (v == 11)
768 		db_printf(" %s 5.5", tag);
769 	else if (v & IEEE80211_RATE_MCS)
770 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
771 	else
772 		db_printf(" %s %d", tag, v/2);
773 }
774 
775 static void
776 _db_show_roamparams(const char *tag, const void *arg,
777     const struct ieee80211_roamparam *rp)
778 {
779 
780 	db_printf(tag, arg);
781 	if (rp->rssi & 1)
782 		db_printf(" rssi %u.5", rp->rssi/2);
783 	else
784 		db_printf(" rssi %u", rp->rssi/2);
785 	printrate("rate", rp->rate);
786 }
787 
788 static void
789 _db_show_txparams(const char *tag, const void *arg,
790     const struct ieee80211_txparam *tp)
791 {
792 
793 	db_printf(tag, arg);
794 	printrate("ucastrate", tp->ucastrate);
795 	printrate("mcastrate", tp->mcastrate);
796 	printrate("mgmtrate", tp->mgmtrate);
797 	db_printf(" maxretry %d", tp->maxretry);
798 }
799 
800 static void
801 _db_show_stats(const struct ieee80211_stats *is)
802 {
803 }
804 #endif /* DDB */
805