xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 18849b5da0c5eaa88500b457be05b038813b51b1)
1 /*-
2  * Copyright (c) 2007-2009 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/malloc.h>
40 #include <sys/socket.h>
41 
42 #include <net/if.h>
43 #include <net/if_var.h>
44 #include <net/if_dl.h>
45 #include <net/if_media.h>
46 #include <net/if_types.h>
47 #include <net/ethernet.h>
48 #include <net/vnet.h>
49 
50 #include <net80211/ieee80211_var.h>
51 #ifdef IEEE80211_SUPPORT_TDMA
52 #include <net80211/ieee80211_tdma.h>
53 #endif
54 #ifdef IEEE80211_SUPPORT_MESH
55 #include <net80211/ieee80211_mesh.h>
56 #endif
57 
58 #include <ddb/ddb.h>
59 #include <ddb/db_sym.h>
60 
61 #define DB_PRINTSYM(prefix, name, addr) do { \
62 	db_printf("%s%-25s : ",  prefix, name); \
63 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
64 	db_printf("\n"); \
65 } while (0)
66 
67 static void _db_show_sta(const struct ieee80211_node *);
68 static void _db_show_vap(const struct ieee80211vap *, int, int);
69 static void _db_show_com(const struct ieee80211com *,
70 	int showvaps, int showsta, int showmesh, int showprocs);
71 
72 static void _db_show_all_vaps(void *, struct ieee80211com *);
73 
74 static void _db_show_node_table(const char *tag,
75 	const struct ieee80211_node_table *);
76 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
77 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
78 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
79 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
80 static void _db_show_roamparams(const char *tag, const void *arg,
81 	const struct ieee80211_roamparam *rp);
82 static void _db_show_txparams(const char *tag, const void *arg,
83 	const struct ieee80211_txparam *tp);
84 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
85 static void _db_show_stats(const struct ieee80211_stats *);
86 #ifdef IEEE80211_SUPPORT_MESH
87 static void _db_show_mesh(const struct ieee80211_mesh_state *);
88 #endif
89 
90 DB_SHOW_COMMAND(sta, db_show_sta)
91 {
92 	if (!have_addr) {
93 		db_printf("usage: show sta <addr>\n");
94 		return;
95 	}
96 	_db_show_sta((const struct ieee80211_node *) addr);
97 }
98 
99 DB_SHOW_COMMAND(statab, db_show_statab)
100 {
101 	if (!have_addr) {
102 		db_printf("usage: show statab <addr>\n");
103 		return;
104 	}
105 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
106 }
107 
108 DB_SHOW_COMMAND(vap, db_show_vap)
109 {
110 	int i, showmesh = 0, showprocs = 0;
111 
112 	if (!have_addr) {
113 		db_printf("usage: show vap <addr>\n");
114 		return;
115 	}
116 	for (i = 0; modif[i] != '\0'; i++)
117 		switch (modif[i]) {
118 		case 'a':
119 			showprocs = 1;
120 			showmesh = 1;
121 			break;
122 		case 'm':
123 			showmesh = 1;
124 			break;
125 		case 'p':
126 			showprocs = 1;
127 			break;
128 		}
129 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
130 }
131 
132 DB_SHOW_COMMAND(com, db_show_com)
133 {
134 	const struct ieee80211com *ic;
135 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
136 
137 	if (!have_addr) {
138 		db_printf("usage: show com <addr>\n");
139 		return;
140 	}
141 	for (i = 0; modif[i] != '\0'; i++)
142 		switch (modif[i]) {
143 		case 'a':
144 			showsta = showmesh = showvaps = showprocs = 1;
145 			break;
146 		case 's':
147 			showsta = 1;
148 			break;
149 		case 'm':
150 			showmesh = 1;
151 			break;
152 		case 'v':
153 			showvaps = 1;
154 			break;
155 		case 'p':
156 			showprocs = 1;
157 			break;
158 		}
159 
160 	ic = (const struct ieee80211com *) addr;
161 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
162 }
163 
164 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
165 {
166 	int i, showall = 0;
167 
168 	for (i = 0; modif[i] != '\0'; i++)
169 		switch (modif[i]) {
170 		case 'a':
171 			showall = 1;
172 			break;
173 		}
174 
175 	ieee80211_iterate_coms(_db_show_all_vaps, &showall);
176 }
177 
178 #ifdef IEEE80211_SUPPORT_MESH
179 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
180 {
181 	const struct ieee80211_mesh_state *ms;
182 
183 	if (!have_addr) {
184 		db_printf("usage: show mesh <addr>\n");
185 		return;
186 	}
187 	ms = (const struct ieee80211_mesh_state *) addr;
188 	_db_show_mesh(ms);
189 }
190 #endif /* IEEE80211_SUPPORT_MESH */
191 
192 static void
193 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
194 {
195 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
196 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
197 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
198 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
199 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
200 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
201 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
202 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
203 		tap->txa_attempts, tap->txa_nextrequest);
204 	/* XXX timer */
205 }
206 
207 static void
208 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
209 {
210 	int i;
211 
212 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
213 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
214 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
215 		sep, rap->rxa_qbytes, rap->rxa_qframes,
216 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
217 	db_printf("%s  age %d nframes %d\n", sep,
218 		rap->rxa_age, rap->rxa_nframes);
219 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
220 		if (rap->rxa_m[i] != NULL)
221 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
222 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
223 			    rap->rxa_m[i]);
224 }
225 
226 static void
227 _db_show_sta(const struct ieee80211_node *ni)
228 {
229 	int i;
230 
231 	db_printf("0x%p: mac %s refcnt %d\n", ni,
232 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
233 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
234 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
235 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
236 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
237 		ni->ni_scangen, ni->ni_authmode,
238 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
239 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
240 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
241 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
242 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
243 		ni->ni_challenge);
244 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
245 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
246 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
247 		ni->ni_ies.ath_ie);
248 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
249 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
250 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
251 		for (i = 0; i < WME_NUM_TID; i++) {
252 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
253 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
254 				    i, ni->ni_txseqs[i],
255 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
256 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
257 		}
258 	}
259 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
260 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
261 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
262 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
263 		ni->ni_rxfragstamp);
264 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
265 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
266 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
267 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
268 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
269 		ni->ni_noise);
270 	db_printf("\tintval %u capinfo %b\n",
271 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
272 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
273 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
274 	db_printf("\n");
275 	_db_show_channel("\tchannel", ni->ni_chan);
276 	db_printf("\n");
277 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
278 		ni->ni_erp, IEEE80211_ERP_BITS,
279 		ni->ni_dtim_period, ni->ni_dtim_count);
280 
281 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
282 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
283 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
284 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
285 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
286 
287 	/* XXX ampdu state */
288 	for (i = 0; i < WME_NUM_TID; i++)
289 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
290 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
291 	for (i = 0; i < WME_NUM_TID; i++)
292 		if (ni->ni_rx_ampdu[i].rxa_flags)
293 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
294 
295 	db_printf("\tinact %u inact_reload %u txrate %u\n",
296 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
297 #ifdef IEEE80211_SUPPORT_MESH
298 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
299 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
300 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
301 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
302 #endif
303 }
304 
305 #ifdef IEEE80211_SUPPORT_TDMA
306 static void
307 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
308 {
309 	db_printf("%stdma %p:\n", sep, ts);
310 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
311 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
312 	db_printf("%s  slotlen %u slotcnt %u", sep,
313 	    ts->tdma_slotlen, ts->tdma_slotcnt);
314 	db_printf(" inuse 0x%x active 0x%x count %d\n",
315 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
316 	if (showprocs) {
317 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
318 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
319 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
320 	}
321 }
322 #endif /* IEEE80211_SUPPORT_TDMA */
323 
324 static void
325 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
326 {
327 	const struct ieee80211com *ic = vap->iv_ic;
328 	int i;
329 
330 	db_printf("%p:", vap);
331 	db_printf(" bss %p", vap->iv_bss);
332 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
333 	db_printf("\n");
334 
335 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
336 #ifdef IEEE80211_SUPPORT_MESH
337 	if (vap->iv_opmode == IEEE80211_M_MBSS)
338 		db_printf("(%p)", vap->iv_mesh);
339 #endif
340 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
341 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
342 	db_printf("\n");
343 
344 	db_printf("\tic %p", vap->iv_ic);
345 	db_printf(" media %p", &vap->iv_media);
346 	db_printf(" bpf_if %p", vap->iv_rawbpf);
347 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
348 #if 0
349 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
350 #endif
351 	db_printf("\n");
352 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
353 
354 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
355 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
356 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
357 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
358 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
359 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
360 
361 	_db_show_stats(&vap->iv_stats);
362 
363 	db_printf("\tinact_init %d", vap->iv_inact_init);
364 	db_printf(" inact_auth %d", vap->iv_inact_auth);
365 	db_printf(" inact_run %d", vap->iv_inact_run);
366 	db_printf(" inact_probe %d", vap->iv_inact_probe);
367 	db_printf("\n");
368 
369 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
370 	if (vap->iv_des_nssid)
371 		_db_show_ssid(" des_ssid[%u] ", 0,
372 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
373 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
374 	db_printf("\n");
375 	db_printf("\tdes_mode %d", vap->iv_des_mode);
376 	_db_show_channel(" des_chan", vap->iv_des_chan);
377 	db_printf("\n");
378 #if 0
379 	int			iv_nicknamelen;	/* XXX junk */
380 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
381 #endif
382 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
383 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
384 	db_printf(" scanvalid %u", vap->iv_scanvalid);
385 	db_printf("\n");
386 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
387 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
388 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
389 	db_printf("\n");
390 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
391 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
392 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
393 		_db_show_ssid(" scanreq_ssid[%u]", i,
394 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
395 	db_printf(" roaming %d", vap->iv_roaming);
396 	db_printf("\n");
397 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
398 		if (isset(ic->ic_modecaps, i)) {
399 			_db_show_roamparams("\troamparms[%s]",
400 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
401 			db_printf("\n");
402 		}
403 
404 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
405 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
406 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
407 	db_printf("\n");
408 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
409 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
410 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
411 	db_printf("\n");
412 
413 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
414 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
415 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
416 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
417 	db_printf("\n");
418 
419 	db_printf("\tmax_aid %u", vap->iv_max_aid);
420 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
421 	db_printf("\n");
422 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
423 	db_printf(" ps_sta %u", vap->iv_ps_sta);
424 	db_printf(" ps_pending %u", vap->iv_ps_pending);
425 	db_printf(" tim_len %u", vap->iv_tim_len);
426 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
427 	db_printf("\n");
428 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
429 	db_printf(" dtim_count %u", vap->iv_dtim_count);
430 	db_printf(" set_tim %p", vap->iv_set_tim);
431 	db_printf(" csa_count %d", vap->iv_csa_count);
432 	db_printf("\n");
433 
434 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
435 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
436 	db_printf(" inact_timer %d", vap->iv_inact_timer);
437 	db_printf("\n");
438 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
439 		if (isset(ic->ic_modecaps, i)) {
440 			_db_show_txparams("\ttxparms[%s]",
441 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
442 			db_printf("\n");
443 		}
444 
445 	/* application-specified IE's to attach to mgt frames */
446 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
447 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
448 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
449 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
450 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
451 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
452 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
453 		if (vap->iv_wpa_ie != NULL)
454 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
455 		if (vap->iv_rsn_ie != NULL)
456 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
457 		db_printf("\n");
458 	}
459 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
460 	db_printf(" def_txkey %d", vap->iv_def_txkey);
461 	db_printf("\n");
462 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
463 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
464 
465 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
466 	db_printf(" ec %p", vap->iv_ec);
467 
468 	db_printf(" acl %p", vap->iv_acl);
469 	db_printf(" as %p", vap->iv_as);
470 	db_printf("\n");
471 #ifdef IEEE80211_SUPPORT_MESH
472 	if (showmesh && vap->iv_mesh != NULL)
473 		_db_show_mesh(vap->iv_mesh);
474 #endif
475 #ifdef IEEE80211_SUPPORT_TDMA
476 	if (vap->iv_tdma != NULL)
477 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
478 #endif /* IEEE80211_SUPPORT_TDMA */
479 	if (showprocs) {
480 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
481 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
482 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
483 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
484 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
485 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
486 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
487 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
488 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
489 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
490 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
491 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
492 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
493 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
494 	}
495 }
496 
497 static void
498 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
499     int showmesh, int showprocs)
500 {
501 	struct ieee80211vap *vap;
502 
503 	db_printf("%p:", ic);
504 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
505 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
506 	db_printf("\n");
507 	db_printf("\tsoftc %p", ic->ic_softc);
508 	db_printf("\tname %s", ic->ic_name);
509 	db_printf(" comlock %p", &ic->ic_comlock);
510 	db_printf("\n");
511 	db_printf("\theadroom %d", ic->ic_headroom);
512 	db_printf(" phytype %d", ic->ic_phytype);
513 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
514 	db_printf("\n");
515 	db_printf(" inact %p", &ic->ic_inact);
516 	db_printf("\n");
517 
518 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
519 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
520 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
521 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
522 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
523 	db_printf("\tcryptocaps=%b\n",
524 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
525 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
526 
527 #if 0
528 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
529 #endif
530 	db_printf("\tcurmode %u", ic->ic_curmode);
531 	db_printf(" promisc %u", ic->ic_promisc);
532 	db_printf(" allmulti %u", ic->ic_allmulti);
533 	db_printf(" nrunning %u", ic->ic_nrunning);
534 	db_printf("\n");
535 	db_printf("\tbintval %u", ic->ic_bintval);
536 	db_printf(" lintval %u", ic->ic_lintval);
537 	db_printf(" holdover %u", ic->ic_holdover);
538 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
539 	db_printf("\n");
540 #if 0
541 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
542 #endif
543 	/*
544 	 * Channel state:
545 	 *
546 	 * ic_channels is the set of available channels for the device;
547 	 *    it is setup by the driver
548 	 * ic_nchans is the number of valid entries in ic_channels
549 	 * ic_chan_avail is a bit vector of these channels used to check
550 	 *    whether a channel is available w/o searching the channel table.
551 	 * ic_chan_active is a (potentially) constrained subset of
552 	 *    ic_chan_avail that reflects any mode setting or user-specified
553 	 *    limit on the set of channels to use/scan
554 	 * ic_curchan is the current channel the device is set to; it may
555 	 *    be different from ic_bsschan when we are off-channel scanning
556 	 *    or otherwise doing background work
557 	 * ic_bsschan is the channel selected for operation; it may
558 	 *    be undefined (IEEE80211_CHAN_ANYC)
559 	 * ic_prevchan is a cached ``previous channel'' used to optimize
560 	 *    lookups when switching back+forth between two channels
561 	 *    (e.g. for dynamic turbo)
562 	 */
563 	db_printf("\tnchans %d", ic->ic_nchans);
564 #if 0
565 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
566 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
567 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
568 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
569 #endif
570 	db_printf("\n");
571 	_db_show_channel("\tcurchan", ic->ic_curchan);
572 	db_printf("\n");
573 	_db_show_channel("\tbsschan", ic->ic_bsschan);
574 	db_printf("\n");
575 	_db_show_channel("\tprevchan", ic->ic_prevchan);
576 	db_printf("\n");
577 	db_printf("\tregdomain %p", &ic->ic_regdomain);
578 	db_printf("\n");
579 
580 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
581 	db_printf(" csa_count %d", ic->ic_csa_count);
582 	db_printf( "dfs %p", &ic->ic_dfs);
583 	db_printf("\n");
584 
585 	db_printf("\tscan %p", ic->ic_scan);
586 	db_printf(" lastdata %d", ic->ic_lastdata);
587 	db_printf(" lastscan %d", ic->ic_lastscan);
588 	db_printf("\n");
589 
590 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
591 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
592 	db_printf(" wme %p", &ic->ic_wme);
593 	if (!showsta)
594 		db_printf(" sta %p", &ic->ic_sta);
595 	db_printf("\n");
596 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
597 	_db_show_ageq("\t", &ic->ic_stageq);
598 	if (showsta)
599 		_db_show_node_table("\t", &ic->ic_sta);
600 
601 	db_printf("\tprotmode %d", ic->ic_protmode);
602 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
603 	db_printf(" longslotsta %u", ic->ic_longslotsta);
604 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
605 	db_printf("\n");
606 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
607 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
608 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
609 	db_printf("\n");
610 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
611 	db_printf(" htprotmode %d", ic->ic_htprotmode);
612 	db_printf(" lastnonht %d", ic->ic_lastnonht);
613 	db_printf("\n");
614 
615 	db_printf("\tsuperg %p\n", ic->ic_superg);
616 
617 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
618 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
619 
620 	if (showprocs) {
621 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
622 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
623 #if 0
624 		/* operating mode attachment */
625 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
626 #endif
627 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
628 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
629 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
630 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
631 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
632 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
633 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
634 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
635 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
636 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
637 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
638 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
639 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
640 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
641 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
642 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
643 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
644 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
645 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
646 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
647 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
648 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
649 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
650 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
651 	}
652 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
653 		db_printf("\n");
654 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
655 			_db_show_vap(vap, showmesh, showprocs);
656 	}
657 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
658 		const struct ieee80211_node_table *nt = &ic->ic_sta;
659 		const struct ieee80211_node *ni;
660 
661 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
662 			db_printf("\n");
663 			_db_show_sta(ni);
664 		}
665 	}
666 }
667 
668 static void
669 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
670 {
671 	int showall = *(int *)arg;
672 
673 	if (!showall) {
674 		const struct ieee80211vap *vap;
675 		db_printf("%s: com %p vaps:", ic->ic_name, ic);
676 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
677 			db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
678 		db_printf("\n");
679 	} else
680 		_db_show_com(ic, 1, 1, 1, 1);
681 }
682 
683 static void
684 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
685 {
686 	int i;
687 
688 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
689 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
690 	db_printf(" inact_init %d", nt->nt_inact_init);
691 	db_printf(" scanlock %p", &nt->nt_scanlock);
692 	db_printf(" scangen %u\n", nt->nt_scangen);
693 	db_printf("%s keyixmax %d keyixmap %p\n",
694 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
695 	for (i = 0; i < nt->nt_keyixmax; i++) {
696 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
697 		if (ni != NULL)
698 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
699 			    ether_sprintf(ni->ni_macaddr));
700 	}
701 }
702 
703 static void
704 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
705 {
706 	db_printf("%s ", tag);
707 	if (c == NULL)
708 		db_printf("<NULL>");
709 	else if (c == IEEE80211_CHAN_ANYC)
710 		db_printf("<ANY>");
711 	else
712 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
713 		    c->ic_freq, c->ic_ieee,
714 		    c->ic_flags, IEEE80211_CHAN_BITS,
715 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
716 		    c->ic_state, c->ic_extieee);
717 }
718 
719 static void
720 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
721 {
722 	const uint8_t *p;
723 	int i;
724 
725 	db_printf(tag, ix);
726 
727 	if (len > IEEE80211_NWID_LEN)
728 		len = IEEE80211_NWID_LEN;
729 	/* determine printable or not */
730 	for (i = 0, p = ssid; i < len; i++, p++) {
731 		if (*p < ' ' || *p > 0x7e)
732 			break;
733 	}
734 	if (i == len) {
735 		db_printf("\"");
736 		for (i = 0, p = ssid; i < len; i++, p++)
737 			db_printf("%c", *p);
738 		db_printf("\"");
739 	} else {
740 		db_printf("0x");
741 		for (i = 0, p = ssid; i < len; i++, p++)
742 			db_printf("%02x", *p);
743 	}
744 }
745 
746 static void
747 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
748 {
749 	const uint8_t *p;
750 	int i;
751 
752 	if (ie == NULL)
753 		return;
754 	db_printf("%s [0x", tag);
755 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
756 		db_printf("%02x", *p);
757 	db_printf("]\n");
758 }
759 
760 static void
761 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
762 {
763 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
764 	const struct ieee80211_cipher *cip = wk->wk_cipher;
765 	int keylen = wk->wk_keylen;
766 
767 	db_printf(tag, ix);
768 	switch (cip->ic_cipher) {
769 	case IEEE80211_CIPHER_WEP:
770 		/* compatibility */
771 		db_printf(" wepkey %u:%s", wk->wk_keyix,
772 		    keylen <= 5 ? "40-bit" :
773 		    keylen <= 13 ? "104-bit" : "128-bit");
774 		break;
775 	case IEEE80211_CIPHER_TKIP:
776 		if (keylen > 128/8)
777 			keylen -= 128/8;	/* ignore MIC for now */
778 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
779 		break;
780 	case IEEE80211_CIPHER_AES_OCB:
781 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
782 		break;
783 	case IEEE80211_CIPHER_AES_CCM:
784 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
785 		break;
786 	case IEEE80211_CIPHER_CKIP:
787 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
788 		break;
789 	case IEEE80211_CIPHER_NONE:
790 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
791 		break;
792 	default:
793 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
794 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
795 		break;
796 	}
797 	if (wk->wk_rxkeyix != wk->wk_keyix)
798 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
799 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
800 		int i;
801 
802 		db_printf(" <");
803 		for (i = 0; i < keylen; i++)
804 			db_printf("%02x", wk->wk_key[i]);
805 		db_printf(">");
806 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
807 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
808 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
809 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
810 		    wk->wk_keytsc != 0)
811 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
812 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
813 	}
814 	db_printf("\n");
815 }
816 
817 static void
818 printrate(const char *tag, int v)
819 {
820 	if (v == IEEE80211_FIXED_RATE_NONE)
821 		db_printf(" %s <none>", tag);
822 	else if (v == 11)
823 		db_printf(" %s 5.5", tag);
824 	else if (v & IEEE80211_RATE_MCS)
825 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
826 	else
827 		db_printf(" %s %d", tag, v/2);
828 }
829 
830 static void
831 _db_show_roamparams(const char *tag, const void *arg,
832     const struct ieee80211_roamparam *rp)
833 {
834 
835 	db_printf(tag, arg);
836 	if (rp->rssi & 1)
837 		db_printf(" rssi %u.5", rp->rssi/2);
838 	else
839 		db_printf(" rssi %u", rp->rssi/2);
840 	printrate("rate", rp->rate);
841 }
842 
843 static void
844 _db_show_txparams(const char *tag, const void *arg,
845     const struct ieee80211_txparam *tp)
846 {
847 
848 	db_printf(tag, arg);
849 	printrate("ucastrate", tp->ucastrate);
850 	printrate("mcastrate", tp->mcastrate);
851 	printrate("mgmtrate", tp->mgmtrate);
852 	db_printf(" maxretry %d", tp->maxretry);
853 }
854 
855 static void
856 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
857 {
858 	const struct mbuf *m;
859 
860 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
861 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
862 	    q->aq_head, q->aq_tail);
863 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
864 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
865 		    /* XXX could be either TX or RX but is mostly TX */
866 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
867 }
868 
869 static void
870 _db_show_stats(const struct ieee80211_stats *is)
871 {
872 }
873 
874 #ifdef IEEE80211_SUPPORT_MESH
875 static void
876 _db_show_mesh(const struct ieee80211_mesh_state *ms)
877 {
878 	struct ieee80211_mesh_route *rt;
879 	int i;
880 
881 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
882 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
883 	    ms->ms_ttl, ms->ms_flags);
884 	db_printf("routing table:\n");
885 	i = 0;
886 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
887 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
888 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
889 
890 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
891 		    ieee80211_mesh_rt_update(rt, 0),
892 		    rt->rt_lastmseq, rt->rt_priv);
893 		i++;
894 	}
895 }
896 #endif /* IEEE80211_SUPPORT_MESH */
897 #endif /* DDB */
898