xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 3a9fd8242b35884921dfc4e886f284a75870a536)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include "opt_ddb.h"
32 #include "opt_wlan.h"
33 
34 #ifdef DDB
35 /*
36  * IEEE 802.11 DDB support
37  */
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/socket.h>
43 
44 #include <net/if.h>
45 #include <net/if_var.h>
46 #include <net/if_dl.h>
47 #include <net/if_media.h>
48 #include <net/if_types.h>
49 #include <net/ethernet.h>
50 #include <net/vnet.h>
51 
52 #include <net80211/ieee80211_var.h>
53 #ifdef IEEE80211_SUPPORT_TDMA
54 #include <net80211/ieee80211_tdma.h>
55 #endif
56 #ifdef IEEE80211_SUPPORT_MESH
57 #include <net80211/ieee80211_mesh.h>
58 #endif
59 
60 #include <ddb/ddb.h>
61 #include <ddb/db_sym.h>
62 
63 #define DB_PRINTSYM(prefix, name, addr) do { \
64 	db_printf("%s%-25s : ",  prefix, name); \
65 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
66 	db_printf("\n"); \
67 } while (0)
68 
69 static void _db_show_sta(const struct ieee80211_node *);
70 static void _db_show_vap(const struct ieee80211vap *, int, int);
71 static void _db_show_com(const struct ieee80211com *,
72 	int showvaps, int showsta, int showmesh, int showprocs);
73 
74 static void _db_show_all_vaps(void *, struct ieee80211com *);
75 
76 static void _db_show_node_table(const char *tag,
77 	const struct ieee80211_node_table *);
78 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
79 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
80 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
81 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
82 static void _db_show_roamparams(const char *tag, const void *arg,
83 	const struct ieee80211_roamparam *rp);
84 static void _db_show_txparams(const char *tag, const void *arg,
85 	const struct ieee80211_txparam *tp);
86 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
87 static void _db_show_stats(const struct ieee80211_stats *);
88 #ifdef IEEE80211_SUPPORT_MESH
89 static void _db_show_mesh(const struct ieee80211_mesh_state *);
90 #endif
91 
92 DB_SHOW_COMMAND(sta, db_show_sta)
93 {
94 	if (!have_addr) {
95 		db_printf("usage: show sta <addr>\n");
96 		return;
97 	}
98 	_db_show_sta((const struct ieee80211_node *) addr);
99 }
100 
101 DB_SHOW_COMMAND(statab, db_show_statab)
102 {
103 	if (!have_addr) {
104 		db_printf("usage: show statab <addr>\n");
105 		return;
106 	}
107 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
108 }
109 
110 DB_SHOW_COMMAND(vap, db_show_vap)
111 {
112 	int i, showmesh = 0, showprocs = 0;
113 
114 	if (!have_addr) {
115 		db_printf("usage: show vap <addr>\n");
116 		return;
117 	}
118 	for (i = 0; modif[i] != '\0'; i++)
119 		switch (modif[i]) {
120 		case 'a':
121 			showprocs = 1;
122 			showmesh = 1;
123 			break;
124 		case 'm':
125 			showmesh = 1;
126 			break;
127 		case 'p':
128 			showprocs = 1;
129 			break;
130 		}
131 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
132 }
133 
134 DB_SHOW_COMMAND(com, db_show_com)
135 {
136 	const struct ieee80211com *ic;
137 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
138 
139 	if (!have_addr) {
140 		db_printf("usage: show com <addr>\n");
141 		return;
142 	}
143 	for (i = 0; modif[i] != '\0'; i++)
144 		switch (modif[i]) {
145 		case 'a':
146 			showsta = showmesh = showvaps = showprocs = 1;
147 			break;
148 		case 's':
149 			showsta = 1;
150 			break;
151 		case 'm':
152 			showmesh = 1;
153 			break;
154 		case 'v':
155 			showvaps = 1;
156 			break;
157 		case 'p':
158 			showprocs = 1;
159 			break;
160 		}
161 
162 	ic = (const struct ieee80211com *) addr;
163 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
164 }
165 
166 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
167 {
168 	int i, showall = 0;
169 
170 	for (i = 0; modif[i] != '\0'; i++)
171 		switch (modif[i]) {
172 		case 'a':
173 			showall = 1;
174 			break;
175 		}
176 
177 	ieee80211_iterate_coms(_db_show_all_vaps, &showall);
178 }
179 
180 #ifdef IEEE80211_SUPPORT_MESH
181 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
182 {
183 	const struct ieee80211_mesh_state *ms;
184 
185 	if (!have_addr) {
186 		db_printf("usage: show mesh <addr>\n");
187 		return;
188 	}
189 	ms = (const struct ieee80211_mesh_state *) addr;
190 	_db_show_mesh(ms);
191 }
192 #endif /* IEEE80211_SUPPORT_MESH */
193 
194 static void
195 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
196 {
197 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
198 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
199 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
200 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
201 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
202 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
203 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
204 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
205 		tap->txa_attempts, tap->txa_nextrequest);
206 	/* XXX timer */
207 }
208 
209 static void
210 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
211 {
212 	struct mbuf *m;
213 	int i;
214 
215 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
216 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
217 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
218 		sep, rap->rxa_qbytes, rap->rxa_qframes,
219 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
220 	db_printf("%s  age %d nframes %d\n", sep,
221 		rap->rxa_age, rap->rxa_nframes);
222 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
223 		if (mbufq_len(&rap->rxa_mq[i]) > 0) {
224 			db_printf("%s  m[%2u:%4u] ", sep, i,
225 			    IEEE80211_SEQ_ADD(rap->rxa_start, i));
226 			STAILQ_FOREACH(m, &rap->rxa_mq[i].mq_head,
227 			    m_stailqpkt) {
228 				db_printf(" %p", m);
229 			}
230 			db_printf("\n");
231 		}
232 }
233 
234 static void
235 _db_show_sta(const struct ieee80211_node *ni)
236 {
237 	int i;
238 
239 	db_printf("%p: mac %s refcnt %d\n", ni,
240 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
241 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
242 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
243 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
244 	db_printf("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
245 		ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
246 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
247 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
248 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
249 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
250 		ni->ni_challenge);
251 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
252 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
253 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
254 		ni->ni_ies.ath_ie);
255 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
256 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
257 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
258 		for (i = 0; i < WME_NUM_TID; i++) {
259 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
260 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
261 				    i, ni->ni_txseqs[i],
262 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
263 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
264 		}
265 	}
266 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
267 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
268 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
269 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
270 		ni->ni_rxfragstamp);
271 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
272 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
273 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
274 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
275 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
276 		ni->ni_noise);
277 	db_printf("\tintval %u capinfo %b\n",
278 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
279 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
280 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
281 	db_printf("\n");
282 	_db_show_channel("\tchannel", ni->ni_chan);
283 	db_printf("\n");
284 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
285 		ni->ni_erp, IEEE80211_ERP_BITS,
286 		ni->ni_dtim_period, ni->ni_dtim_count);
287 
288 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
289 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
290 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
291 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
292 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
293 
294 	/* XXX ampdu state */
295 	for (i = 0; i < WME_NUM_TID; i++)
296 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
297 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
298 	for (i = 0; i < WME_NUM_TID; i++)
299 		if (ni->ni_rx_ampdu[i].rxa_flags)
300 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
301 
302 	db_printf("\tinact %u inact_reload %u txrate %u\n",
303 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
304 #ifdef IEEE80211_SUPPORT_MESH
305 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
306 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
307 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
308 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
309 #endif
310 }
311 
312 #ifdef IEEE80211_SUPPORT_TDMA
313 static void
314 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
315 {
316 	db_printf("%stdma %p:\n", sep, ts);
317 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
318 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
319 	db_printf("%s  slotlen %u slotcnt %u", sep,
320 	    ts->tdma_slotlen, ts->tdma_slotcnt);
321 	db_printf(" inuse 0x%x active 0x%x count %d\n",
322 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
323 	if (showprocs) {
324 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
325 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
326 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
327 	}
328 }
329 #endif /* IEEE80211_SUPPORT_TDMA */
330 
331 static void
332 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
333 {
334 	const struct ieee80211com *ic = vap->iv_ic;
335 	int i;
336 
337 	db_printf("%p:", vap);
338 	db_printf(" bss %p", vap->iv_bss);
339 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
340 	db_printf("\n");
341 
342 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
343 #ifdef IEEE80211_SUPPORT_MESH
344 	if (vap->iv_opmode == IEEE80211_M_MBSS)
345 		db_printf("(%p)", vap->iv_mesh);
346 #endif
347 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
348 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
349 	db_printf("\n");
350 
351 	db_printf("\tic %p", vap->iv_ic);
352 	db_printf(" media %p", &vap->iv_media);
353 	db_printf(" bpf_if %p", vap->iv_rawbpf);
354 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
355 #if 0
356 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
357 #endif
358 	db_printf("\n");
359 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
360 
361 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
362 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
363 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
364 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
365 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
366 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
367 
368 	_db_show_stats(&vap->iv_stats);
369 
370 	db_printf("\tinact_init %d", vap->iv_inact_init);
371 	db_printf(" inact_auth %d", vap->iv_inact_auth);
372 	db_printf(" inact_run %d", vap->iv_inact_run);
373 	db_printf(" inact_probe %d", vap->iv_inact_probe);
374 	db_printf("\n");
375 
376 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
377 	if (vap->iv_des_nssid)
378 		_db_show_ssid(" des_ssid[%u] ", 0,
379 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
380 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
381 	db_printf("\n");
382 	db_printf("\tdes_mode %d", vap->iv_des_mode);
383 	_db_show_channel(" des_chan", vap->iv_des_chan);
384 	db_printf("\n");
385 #if 0
386 	int			iv_nicknamelen;	/* XXX junk */
387 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
388 #endif
389 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
390 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
391 	db_printf(" scanvalid %u", vap->iv_scanvalid);
392 	db_printf("\n");
393 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
394 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
395 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
396 	db_printf("\n");
397 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
398 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
399 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
400 		_db_show_ssid(" scanreq_ssid[%u]", i,
401 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
402 	db_printf(" roaming %d", vap->iv_roaming);
403 	db_printf("\n");
404 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
405 		if (isset(ic->ic_modecaps, i)) {
406 			_db_show_roamparams("\troamparms[%s]",
407 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
408 			db_printf("\n");
409 		}
410 
411 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
412 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
413 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
414 	db_printf("\n");
415 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
416 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
417 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
418 	db_printf("\n");
419 
420 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
421 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
422 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
423 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
424 	db_printf("\n");
425 
426 	db_printf("\tmax_aid %u", vap->iv_max_aid);
427 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
428 	db_printf("\n");
429 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
430 	db_printf(" ps_sta %u", vap->iv_ps_sta);
431 	db_printf(" ps_pending %u", vap->iv_ps_pending);
432 	db_printf(" tim_len %u", vap->iv_tim_len);
433 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
434 	db_printf("\n");
435 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
436 	db_printf(" dtim_count %u", vap->iv_dtim_count);
437 	db_printf(" set_tim %p", vap->iv_set_tim);
438 	db_printf(" csa_count %d", vap->iv_csa_count);
439 	db_printf("\n");
440 
441 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
442 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
443 	db_printf(" inact_timer %d", vap->iv_inact_timer);
444 	db_printf("\n");
445 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
446 		if (isset(ic->ic_modecaps, i)) {
447 			_db_show_txparams("\ttxparms[%s]",
448 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
449 			db_printf("\n");
450 		}
451 
452 	/* application-specified IE's to attach to mgt frames */
453 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
454 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
455 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
456 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
457 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
458 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
459 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
460 		if (vap->iv_wpa_ie != NULL)
461 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
462 		if (vap->iv_rsn_ie != NULL)
463 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
464 		db_printf("\n");
465 	}
466 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
467 	db_printf(" def_txkey %d", vap->iv_def_txkey);
468 	db_printf("\n");
469 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
470 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
471 
472 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
473 	db_printf(" ec %p", vap->iv_ec);
474 
475 	db_printf(" acl %p", vap->iv_acl);
476 	db_printf(" as %p", vap->iv_as);
477 	db_printf("\n");
478 #ifdef IEEE80211_SUPPORT_MESH
479 	if (showmesh && vap->iv_mesh != NULL)
480 		_db_show_mesh(vap->iv_mesh);
481 #endif
482 #ifdef IEEE80211_SUPPORT_TDMA
483 	if (vap->iv_tdma != NULL)
484 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
485 #endif /* IEEE80211_SUPPORT_TDMA */
486 
487 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
488 	db_printf(" ht_sta_assoc %u", vap->iv_ht_sta_assoc);
489 	db_printf(" ht40_sta_assoc %u", vap->iv_ht40_sta_assoc);
490 	db_printf("\n");
491 	db_printf(" nonerpsta %u", vap->iv_nonerpsta);
492 	db_printf(" longslotsta %u", vap->iv_longslotsta);
493 	db_printf(" lastnonerp %d", vap->iv_lastnonerp);
494 	db_printf(" lastnonht %d", vap->iv_lastnonht);
495 	db_printf("\n");
496 
497 	if (showprocs) {
498 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
499 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
500 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
501 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
502 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
503 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
504 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
505 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
506 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
507 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
508 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
509 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
510 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
511 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
512 	}
513 }
514 
515 static void
516 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
517     int showmesh, int showprocs)
518 {
519 	struct ieee80211vap *vap;
520 
521 	db_printf("%p:", ic);
522 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
523 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
524 	db_printf("\n");
525 	db_printf("\tsoftc %p", ic->ic_softc);
526 	db_printf("\tname %s", ic->ic_name);
527 	db_printf(" comlock %p", &ic->ic_comlock);
528 	db_printf(" txlock %p", &ic->ic_txlock);
529 	db_printf(" fflock %p", &ic->ic_fflock);
530 	db_printf("\n");
531 	db_printf("\theadroom %d", ic->ic_headroom);
532 	db_printf(" phytype %d", ic->ic_phytype);
533 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
534 	db_printf("\n");
535 	db_printf(" inact %p", &ic->ic_inact);
536 	db_printf("\n");
537 
538 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
539 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
540 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
541 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
542 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
543 	db_printf("\tcryptocaps=%b\n",
544 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
545 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
546 
547 #if 0
548 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
549 #endif
550 	db_printf("\tcurmode %u", ic->ic_curmode);
551 	db_printf(" promisc %u", ic->ic_promisc);
552 	db_printf(" allmulti %u", ic->ic_allmulti);
553 	db_printf(" nrunning %u", ic->ic_nrunning);
554 	db_printf("\n");
555 	db_printf("\tbintval %u", ic->ic_bintval);
556 	db_printf(" lintval %u", ic->ic_lintval);
557 	db_printf(" holdover %u", ic->ic_holdover);
558 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
559 	db_printf("\n");
560 #if 0
561 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
562 #endif
563 	/*
564 	 * Channel state:
565 	 *
566 	 * ic_channels is the set of available channels for the device;
567 	 *    it is setup by the driver
568 	 * ic_nchans is the number of valid entries in ic_channels
569 	 * ic_chan_avail is a bit vector of these channels used to check
570 	 *    whether a channel is available w/o searching the channel table.
571 	 * ic_chan_active is a (potentially) constrained subset of
572 	 *    ic_chan_avail that reflects any mode setting or user-specified
573 	 *    limit on the set of channels to use/scan
574 	 * ic_curchan is the current channel the device is set to; it may
575 	 *    be different from ic_bsschan when we are off-channel scanning
576 	 *    or otherwise doing background work
577 	 * ic_bsschan is the channel selected for operation; it may
578 	 *    be undefined (IEEE80211_CHAN_ANYC)
579 	 * ic_prevchan is a cached ``previous channel'' used to optimize
580 	 *    lookups when switching back+forth between two channels
581 	 *    (e.g. for dynamic turbo)
582 	 */
583 	db_printf("\tnchans %d", ic->ic_nchans);
584 #if 0
585 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
586 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
587 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
588 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
589 #endif
590 	db_printf("\n");
591 	_db_show_channel("\tcurchan", ic->ic_curchan);
592 	db_printf("\n");
593 	_db_show_channel("\tbsschan", ic->ic_bsschan);
594 	db_printf("\n");
595 	_db_show_channel("\tprevchan", ic->ic_prevchan);
596 	db_printf("\n");
597 	db_printf("\tregdomain %p", &ic->ic_regdomain);
598 	db_printf("\n");
599 
600 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
601 	db_printf(" csa_count %d", ic->ic_csa_count);
602 	db_printf( "dfs %p", &ic->ic_dfs);
603 	db_printf("\n");
604 
605 	db_printf("\tscan %p", ic->ic_scan);
606 	db_printf(" lastdata %d", ic->ic_lastdata);
607 	db_printf(" lastscan %d", ic->ic_lastscan);
608 	db_printf("\n");
609 
610 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
611 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
612 	db_printf(" wme %p", &ic->ic_wme);
613 	if (!showsta)
614 		db_printf(" sta %p", &ic->ic_sta);
615 	db_printf("\n");
616 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
617 	_db_show_ageq("\t", &ic->ic_stageq);
618 	if (showsta)
619 		_db_show_node_table("\t", &ic->ic_sta);
620 
621 	db_printf("\tprotmode %d", ic->ic_protmode);
622 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
623 	db_printf(" htprotmode %d", ic->ic_htprotmode);
624 	db_printf("\n");
625 
626 	db_printf("\tsuperg %p\n", ic->ic_superg);
627 
628 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
629 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
630 
631 	if (showprocs) {
632 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
633 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
634 #if 0
635 		/* operating mode attachment */
636 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
637 #endif
638 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
639 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
640 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
641 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
642 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
643 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
644 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
645 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
646 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
647 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
648 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
649 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
650 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
651 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
652 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
653 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
654 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
655 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
656 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
657 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
658 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
659 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
660 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
661 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
662 	}
663 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
664 		db_printf("\n");
665 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
666 			_db_show_vap(vap, showmesh, showprocs);
667 	}
668 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
669 		const struct ieee80211_node_table *nt = &ic->ic_sta;
670 		const struct ieee80211_node *ni;
671 
672 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
673 			db_printf("\n");
674 			_db_show_sta(ni);
675 		}
676 	}
677 }
678 
679 static void
680 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
681 {
682 	int showall = *(int *)arg;
683 
684 	if (!showall) {
685 		const struct ieee80211vap *vap;
686 		db_printf("%s: com %p vaps:", ic->ic_name, ic);
687 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
688 			db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
689 		db_printf("\n");
690 	} else
691 		_db_show_com(ic, 1, 1, 1, 1);
692 }
693 
694 static void
695 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
696 {
697 	int i;
698 
699 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
700 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
701 	db_printf(" inact_init %d", nt->nt_inact_init);
702 	db_printf("%s keyixmax %d keyixmap %p\n",
703 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
704 	for (i = 0; i < nt->nt_keyixmax; i++) {
705 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
706 		if (ni != NULL)
707 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
708 			    ether_sprintf(ni->ni_macaddr));
709 	}
710 }
711 
712 static void
713 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
714 {
715 	db_printf("%s ", tag);
716 	if (c == NULL)
717 		db_printf("<NULL>");
718 	else if (c == IEEE80211_CHAN_ANYC)
719 		db_printf("<ANY>");
720 	else
721 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
722 		    c->ic_freq, c->ic_ieee,
723 		    c->ic_flags, IEEE80211_CHAN_BITS,
724 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
725 		    c->ic_state, c->ic_extieee);
726 }
727 
728 static void
729 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
730 {
731 	const uint8_t *p;
732 	int i;
733 
734 	db_printf(tag, ix);
735 
736 	if (len > IEEE80211_NWID_LEN)
737 		len = IEEE80211_NWID_LEN;
738 	/* determine printable or not */
739 	for (i = 0, p = ssid; i < len; i++, p++) {
740 		if (*p < ' ' || *p > 0x7e)
741 			break;
742 	}
743 	if (i == len) {
744 		db_printf("\"");
745 		for (i = 0, p = ssid; i < len; i++, p++)
746 			db_printf("%c", *p);
747 		db_printf("\"");
748 	} else {
749 		db_printf("0x");
750 		for (i = 0, p = ssid; i < len; i++, p++)
751 			db_printf("%02x", *p);
752 	}
753 }
754 
755 static void
756 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
757 {
758 	const uint8_t *p;
759 	int i;
760 
761 	if (ie == NULL)
762 		return;
763 	db_printf("%s [0x", tag);
764 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
765 		db_printf("%02x", *p);
766 	db_printf("]\n");
767 }
768 
769 static void
770 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
771 {
772 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
773 	const struct ieee80211_cipher *cip = wk->wk_cipher;
774 	int keylen = wk->wk_keylen;
775 
776 	db_printf(tag, ix);
777 	switch (cip->ic_cipher) {
778 	case IEEE80211_CIPHER_WEP:
779 		/* compatibility */
780 		db_printf(" wepkey %u:%s", wk->wk_keyix,
781 		    keylen <= 5 ? "40-bit" :
782 		    keylen <= 13 ? "104-bit" : "128-bit");
783 		break;
784 	case IEEE80211_CIPHER_TKIP:
785 		if (keylen > 128/8)
786 			keylen -= 128/8;	/* ignore MIC for now */
787 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
788 		break;
789 	case IEEE80211_CIPHER_AES_OCB:
790 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
791 		break;
792 	case IEEE80211_CIPHER_AES_CCM:
793 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
794 		break;
795 	case IEEE80211_CIPHER_CKIP:
796 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
797 		break;
798 	case IEEE80211_CIPHER_NONE:
799 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
800 		break;
801 	default:
802 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
803 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
804 		break;
805 	}
806 	if (wk->wk_rxkeyix != wk->wk_keyix)
807 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
808 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
809 		int i;
810 
811 		db_printf(" <");
812 		for (i = 0; i < keylen; i++)
813 			db_printf("%02x", wk->wk_key[i]);
814 		db_printf(">");
815 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
816 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
817 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
818 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
819 		    wk->wk_keytsc != 0)
820 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
821 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
822 	}
823 	db_printf("\n");
824 }
825 
826 static void
827 printrate(const char *tag, int v)
828 {
829 	if (v == IEEE80211_FIXED_RATE_NONE)
830 		db_printf(" %s <none>", tag);
831 	else if (v == 11)
832 		db_printf(" %s 5.5", tag);
833 	else if (v & IEEE80211_RATE_MCS)
834 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
835 	else
836 		db_printf(" %s %d", tag, v/2);
837 }
838 
839 static void
840 _db_show_roamparams(const char *tag, const void *arg,
841     const struct ieee80211_roamparam *rp)
842 {
843 
844 	db_printf(tag, arg);
845 	if (rp->rssi & 1)
846 		db_printf(" rssi %u.5", rp->rssi/2);
847 	else
848 		db_printf(" rssi %u", rp->rssi/2);
849 	printrate("rate", rp->rate);
850 }
851 
852 static void
853 _db_show_txparams(const char *tag, const void *arg,
854     const struct ieee80211_txparam *tp)
855 {
856 
857 	db_printf(tag, arg);
858 	printrate("ucastrate", tp->ucastrate);
859 	printrate("mcastrate", tp->mcastrate);
860 	printrate("mgmtrate", tp->mgmtrate);
861 	db_printf(" maxretry %d", tp->maxretry);
862 }
863 
864 static void
865 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
866 {
867 	const struct mbuf *m;
868 
869 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
870 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
871 	    q->aq_head, q->aq_tail);
872 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
873 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
874 		    /* XXX could be either TX or RX but is mostly TX */
875 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
876 }
877 
878 static void
879 _db_show_stats(const struct ieee80211_stats *is)
880 {
881 }
882 
883 #ifdef IEEE80211_SUPPORT_MESH
884 static void
885 _db_show_mesh(const struct ieee80211_mesh_state *ms)
886 {
887 	struct ieee80211_mesh_route *rt;
888 	int i;
889 
890 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
891 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
892 	    ms->ms_ttl, ms->ms_flags);
893 	db_printf("routing table:\n");
894 	i = 0;
895 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
896 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
897 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
898 
899 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
900 		    ieee80211_mesh_rt_update(rt, 0),
901 		    rt->rt_lastmseq, rt->rt_priv);
902 		i++;
903 	}
904 }
905 #endif /* IEEE80211_SUPPORT_MESH */
906 #endif /* DDB */
907