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  * $FreeBSD: head/sys/net80211/ieee80211_ddb.c 196019 2009-08-01 19:26:27Z rwatson $
26  * $DragonFly$
27  */
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 
41 #include <net/if.h>
42 #include <net/if_dl.h>
43 #include <net/if_media.h>
44 #include <net/if_types.h>
45 #include <net/ethernet.h>
46 #include <net/route.h>
47 
48 #include <netproto/802_11/ieee80211_var.h>
49 #ifdef IEEE80211_SUPPORT_TDMA
50 #include <netproto/802_11/ieee80211_tdma.h>
51 #endif
52 #ifdef IEEE80211_SUPPORT_MESH
53 #include <netproto/802_11/ieee80211_mesh.h>
54 #endif
55 
56 #include <ddb/ddb.h>
57 #include <ddb/db_sym.h>
58 
59 #define DB_PRINTSYM(prefix, name, addr) do { \
60 	db_printf("%s%-25s : ",  prefix, name); \
61 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
62 	db_printf("\n"); \
63 } while (0)
64 
65 static void _db_show_sta(const struct ieee80211_node *);
66 static void _db_show_vap(const struct ieee80211vap *, int);
67 static void _db_show_com(const struct ieee80211com *,
68 	int showvaps, int showsta, int showprocs);
69 
70 static void _db_show_node_table(const char *tag,
71 	const struct ieee80211_node_table *);
72 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
73 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
74 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
75 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
76 static void _db_show_roamparams(const char *tag, const void *arg,
77 	const struct ieee80211_roamparam *rp);
78 static void _db_show_txparams(const char *tag, const void *arg,
79 	const struct ieee80211_txparam *tp);
80 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
81 static void _db_show_stats(const struct ieee80211_stats *);
82 #if 0
83 #ifdef IEEE80211_SUPPORT_MESH
84 static void _db_show_mesh(const struct ieee80211_mesh_state *);
85 #endif
86 #endif
87 
88 DB_SHOW_COMMAND(sta, db_show_sta)
89 {
90 	if (!have_addr) {
91 		db_printf("usage: show sta <addr>\n");
92 		return;
93 	}
94 	_db_show_sta((const struct ieee80211_node *) addr);
95 }
96 
97 DB_SHOW_COMMAND(statab, db_show_statab)
98 {
99 	if (!have_addr) {
100 		db_printf("usage: show statab <addr>\n");
101 		return;
102 	}
103 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
104 }
105 
106 DB_SHOW_COMMAND(vap, db_show_vap)
107 {
108 	int i, showprocs = 0;
109 
110 	if (!have_addr) {
111 		db_printf("usage: show vap <addr>\n");
112 		return;
113 	}
114 	for (i = 0; modif[i] != '\0'; i++)
115 		switch (modif[i]) {
116 		case 'a':
117 			showprocs = 1;
118 			break;
119 		case 'p':
120 			showprocs = 1;
121 			break;
122 		}
123 	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
124 }
125 
126 DB_SHOW_COMMAND(com, db_show_com)
127 {
128 	const struct ieee80211com *ic;
129 	int i, showprocs = 0, showvaps = 0, showsta = 0;
130 
131 	if (!have_addr) {
132 		db_printf("usage: show com <addr>\n");
133 		return;
134 	}
135 	for (i = 0; modif[i] != '\0'; i++)
136 		switch (modif[i]) {
137 		case 'a':
138 			showsta = showvaps = showprocs = 1;
139 			break;
140 		case 's':
141 			showsta = 1;
142 			break;
143 		case 'v':
144 			showvaps = 1;
145 			break;
146 		case 'p':
147 			showprocs = 1;
148 			break;
149 		}
150 
151 	ic = (const struct ieee80211com *) addr;
152 	_db_show_com(ic, showvaps, showsta, showprocs);
153 }
154 
155 #if __FreeBSD__
156 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
157 {
158 	const struct ifnet *ifp;
159 	int i, showall = 0;
160 
161 	for (i = 0; modif[i] != '\0'; i++)
162 		switch (modif[i]) {
163 		case 'a':
164 			showall = 1;
165 			break;
166 		}
167 
168 	TAILQ_FOREACH(ifp, &ifnet, if_list) {
169 		if (ifp->if_type == IFT_IEEE80211) {
170 			const struct ieee80211com *ic = ifp->if_l2com;
171 
172 			if (!showall) {
173 				const struct ieee80211vap *vap;
174 				db_printf("%s: com %p vaps:",
175 				    ifp->if_xname, ic);
176 				TAILQ_FOREACH(vap, &ic->ic_vaps,
177 				    iv_next)
178 					db_printf(" %s(%p)",
179 					    vap->iv_ifp->if_xname, vap);
180 				db_printf("\n");
181 			} else
182 				_db_show_com(ic, 1, 1, 1);
183 		}
184 	}
185 }
186 #endif
187 
188 #if 0
189 #ifdef IEEE80211_SUPPORT_MESH
190 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
191 {
192 	const struct ieee80211_mesh_state *ms;
193 
194 	if (!have_addr) {
195 		db_printf("usage: show mesh <addr>\n");
196 		return;
197 	}
198 	ms = (const struct ieee80211_mesh_state *) addr;
199 	_db_show_mesh(ms);
200 }
201 #endif /* IEEE80211_SUPPORT_MESH */
202 #endif
203 
204 static void
205 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
206 {
207 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
208 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
209 		ieee80211_wme_acnames[tap->txa_ac]);
210 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
211 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
212 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
213 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
214 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
215 		tap->txa_attempts, tap->txa_nextrequest);
216 	/* XXX timer */
217 }
218 
219 static void
220 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
221 {
222 	int i;
223 
224 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
225 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
226 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
227 		sep, rap->rxa_qbytes, rap->rxa_qframes,
228 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
229 	db_printf("%s  age %d nframes %d\n", sep,
230 		rap->rxa_age, rap->rxa_nframes);
231 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
232 		if (rap->rxa_m[i] != NULL)
233 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
234 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
235 			    rap->rxa_m[i]);
236 }
237 
238 static void
239 _db_show_sta(const struct ieee80211_node *ni)
240 {
241 	int i;
242 
243 	db_printf("0x%p: mac %6D refcnt %d\n", ni,
244 		ni->ni_macaddr, ":", ieee80211_node_refcnt(ni));
245 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
246 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
247 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
248 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
249 		ni->ni_scangen, ni->ni_authmode,
250 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
251 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
252 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
253 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
254 		ni->ni_jointime, (unsigned long)(time_second - ni->ni_jointime),
255 		ni->ni_challenge);
256 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
257 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
258 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
259 		ni->ni_ies.ath_ie);
260 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
261 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
262 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
263 		for (i = 0; i < WME_NUM_TID; i++) {
264 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
265 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
266 				    i, ni->ni_txseqs[i],
267 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
268 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
269 		}
270 	}
271 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
272 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
273 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
274 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
275 		ni->ni_rxfragstamp);
276 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
277 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
278 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
279 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
280 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
281 		ni->ni_noise);
282 	db_printf("\tintval %u capinfo %b\n",
283 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
284 	db_printf("\tbssid %6D", ni->ni_bssid, ":");
285 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
286 	db_printf("\n");
287 	_db_show_channel("\tchannel", ni->ni_chan);
288 	db_printf("\n");
289 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
290 		ni->ni_erp, IEEE80211_ERP_BITS,
291 		ni->ni_dtim_period, ni->ni_dtim_count);
292 
293 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
294 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
295 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
296 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
297 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
298 
299 	/* XXX ampdu state */
300 	for (i = 0; i < WME_NUM_AC; i++)
301 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
302 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
303 	for (i = 0; i < WME_NUM_TID; i++)
304 		if (ni->ni_rx_ampdu[i].rxa_flags)
305 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
306 
307 	db_printf("\tinact %u inact_reload %u txrate %u\n",
308 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
309 #ifdef IEEE80211_SUPPORT_MESH
310 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
311 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
312 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
313 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
314 #endif
315 }
316 
317 #ifdef IEEE80211_SUPPORT_TDMA
318 static void
319 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
320 {
321 	db_printf("%stdma %p:\n", sep, ts);
322 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
323 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
324 	db_printf("%s  slotlen %u slotcnt %u", sep,
325 	    ts->tdma_slotlen, ts->tdma_slotcnt);
326 	db_printf(" inuse 0x%x active 0x%x count %d\n",
327 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
328 	if (showprocs) {
329 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
330 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
331 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
332 	}
333 }
334 #endif /* IEEE80211_SUPPORT_TDMA */
335 
336 static void
337 _db_show_vap(const struct ieee80211vap *vap, int showprocs)
338 {
339 	const struct ieee80211com *ic = vap->iv_ic;
340 	int i;
341 
342 	db_printf("%p:", vap);
343 	db_printf(" bss %p", vap->iv_bss);
344 	db_printf(" myaddr %6D", vap->iv_myaddr, ":");
345 	db_printf("\n");
346 
347 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
348 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
349 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
350 	db_printf("\n");
351 
352 	db_printf("\tic %p", vap->iv_ic);
353 	db_printf(" media %p", &vap->iv_media);
354 	db_printf(" bpf_if %p", vap->iv_rawbpf);
355 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
356 #if 0
357 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
358 #endif
359 	db_printf("\n");
360 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
361 
362 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
363 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
364 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
365 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
366 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
367 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
368 
369 	_db_show_stats(&vap->iv_stats);
370 
371 	db_printf("\tinact_init %d", vap->iv_inact_init);
372 	db_printf(" inact_auth %d", vap->iv_inact_auth);
373 	db_printf(" inact_run %d", vap->iv_inact_run);
374 	db_printf(" inact_probe %d", vap->iv_inact_probe);
375 	db_printf("\n");
376 
377 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
378 	if (vap->iv_des_nssid)
379 		_db_show_ssid(" des_ssid[%u] ", 0,
380 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
381 	db_printf(" des_bssid %6D", vap->iv_des_bssid, ":");
382 	db_printf("\n");
383 	db_printf("\tdes_mode %d", vap->iv_des_mode);
384 	_db_show_channel(" des_chan", vap->iv_des_chan);
385 	db_printf("\n");
386 #if 0
387 	int			iv_nicknamelen;	/* XXX junk */
388 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
389 #endif
390 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
391 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
392 	db_printf(" scanvalid %u", vap->iv_scanvalid);
393 	db_printf("\n");
394 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
395 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
396 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
397 	db_printf("\n");
398 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
399 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
400 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
401 		_db_show_ssid(" scanreq_ssid[%u]", i,
402 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
403 	db_printf(" roaming %d", vap->iv_roaming);
404 	db_printf("\n");
405 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
406 		if (isset(ic->ic_modecaps, i)) {
407 			_db_show_roamparams("\troamparms[%s]",
408 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
409 			db_printf("\n");
410 		}
411 
412 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
413 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
414 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
415 	db_printf("\n");
416 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
417 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
418 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
419 	db_printf("\n");
420 
421 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
422 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
423 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
424 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
425 	db_printf("\n");
426 
427 	db_printf("\tmax_aid %u", vap->iv_max_aid);
428 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
429 	db_printf("\n");
430 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
431 	db_printf(" ps_sta %u", vap->iv_ps_sta);
432 	db_printf(" ps_pending %u", vap->iv_ps_pending);
433 	db_printf(" tim_len %u", vap->iv_tim_len);
434 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
435 	db_printf("\n");
436 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
437 	db_printf(" dtim_count %u", vap->iv_dtim_count);
438 	db_printf(" set_tim %p", vap->iv_set_tim);
439 	db_printf(" csa_count %d", vap->iv_csa_count);
440 	db_printf("\n");
441 
442 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
443 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
444 	db_printf(" inact_timer %d", vap->iv_inact_timer);
445 	db_printf("\n");
446 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
447 		if (isset(ic->ic_modecaps, i)) {
448 			_db_show_txparams("\ttxparms[%s]",
449 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
450 			db_printf("\n");
451 		}
452 
453 	/* application-specified IE's to attach to mgt frames */
454 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
455 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
456 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
457 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
458 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
459 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
460 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
461 		if (vap->iv_wpa_ie != NULL)
462 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
463 		if (vap->iv_rsn_ie != NULL)
464 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
465 		db_printf("\n");
466 	}
467 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
468 	db_printf(" def_txkey %d", vap->iv_def_txkey);
469 	db_printf("\n");
470 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
471 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
472 
473 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
474 	db_printf(" ec %p", vap->iv_ec);
475 
476 	db_printf(" acl %p", vap->iv_acl);
477 	db_printf(" as %p", vap->iv_as);
478 	db_printf("\n");
479 #ifdef IEEE80211_SUPPORT_TDMA
480 	if (vap->iv_tdma != NULL)
481 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
482 #endif /* IEEE80211_SUPPORT_TDMA */
483 	if (showprocs) {
484 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
485 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
486 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
487 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
488 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
489 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
490 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
491 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
492 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
493 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
494 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
495 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
496 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
497 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
498 	}
499 }
500 
501 static void
502 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
503 {
504 	struct ieee80211vap *vap;
505 
506 	db_printf("%p:", ic);
507 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
508 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
509 	db_printf("\n");
510 	db_printf("\tifp %p(%s)", ic->ic_ifp, ic->ic_ifp->if_xname);
511 	db_printf("\n");
512 	db_printf("\theadroom %d", ic->ic_headroom);
513 	db_printf(" phytype %d", ic->ic_phytype);
514 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
515 	db_printf("\n");
516 	db_printf("\tmedia %p", &ic->ic_media);
517 	db_printf(" inact %p", &ic->ic_inact);
518 	db_printf("\n");
519 
520 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
521 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
522 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
523 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
524 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
525 	db_printf("\tcryptocaps=%b\n",
526 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
527 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
528 
529 #if 0
530 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
531 #endif
532 	db_printf("\tcurmode %u", ic->ic_curmode);
533 	db_printf(" promisc %u", ic->ic_promisc);
534 	db_printf(" allmulti %u", ic->ic_allmulti);
535 	db_printf(" nrunning %u", ic->ic_nrunning);
536 	db_printf("\n");
537 	db_printf("\tbintval %u", ic->ic_bintval);
538 	db_printf(" lintval %u", ic->ic_lintval);
539 	db_printf(" holdover %u", ic->ic_holdover);
540 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
541 	db_printf("\n");
542 #if 0
543 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
544 #endif
545 	/*
546 	 * Channel state:
547 	 *
548 	 * ic_channels is the set of available channels for the device;
549 	 *    it is setup by the driver
550 	 * ic_nchans is the number of valid entries in ic_channels
551 	 * ic_chan_avail is a bit vector of these channels used to check
552 	 *    whether a channel is available w/o searching the channel table.
553 	 * ic_chan_active is a (potentially) constrained subset of
554 	 *    ic_chan_avail that reflects any mode setting or user-specified
555 	 *    limit on the set of channels to use/scan
556 	 * ic_curchan is the current channel the device is set to; it may
557 	 *    be different from ic_bsschan when we are off-channel scanning
558 	 *    or otherwise doing background work
559 	 * ic_bsschan is the channel selected for operation; it may
560 	 *    be undefined (IEEE80211_CHAN_ANYC)
561 	 * ic_prevchan is a cached ``previous channel'' used to optimize
562 	 *    lookups when switching back+forth between two channels
563 	 *    (e.g. for dynamic turbo)
564 	 */
565 	db_printf("\tnchans %d", ic->ic_nchans);
566 #if 0
567 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
568 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
569 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
570 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
571 #endif
572 	db_printf("\n");
573 	_db_show_channel("\tcurchan", ic->ic_curchan);
574 	db_printf("\n");
575 	_db_show_channel("\tbsschan", ic->ic_bsschan);
576 	db_printf("\n");
577 	_db_show_channel("\tprevchan", ic->ic_prevchan);
578 	db_printf("\n");
579 	db_printf("\tregdomain %p", &ic->ic_regdomain);
580 	db_printf("\n");
581 
582 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
583 	db_printf(" csa_count %d", ic->ic_csa_count);
584 	db_printf( "dfs %p", &ic->ic_dfs);
585 	db_printf("\n");
586 
587 	db_printf("\tscan %p", ic->ic_scan);
588 	db_printf(" lastdata %d", ic->ic_lastdata);
589 	db_printf(" lastscan %d", ic->ic_lastscan);
590 	db_printf("\n");
591 
592 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
593 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
594 	db_printf(" wme %p", &ic->ic_wme);
595 	if (!showsta)
596 		db_printf(" sta %p", &ic->ic_sta);
597 	db_printf("\n");
598 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
599 	_db_show_ageq("\t", &ic->ic_stageq);
600 	if (showsta)
601 		_db_show_node_table("\t", &ic->ic_sta);
602 
603 	db_printf("\tprotmode %d", ic->ic_protmode);
604 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
605 	db_printf(" longslotsta %u", ic->ic_longslotsta);
606 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
607 	db_printf("\n");
608 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
609 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
610 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
611 	db_printf("\n");
612 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
613 	db_printf(" htprotmode %d", ic->ic_htprotmode);
614 	db_printf(" lastnonht %d", ic->ic_lastnonht);
615 	db_printf("\n");
616 
617 	db_printf("\tsuperg %p\n", ic->ic_superg);
618 
619 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
620 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
621 
622 	if (showprocs) {
623 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
624 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
625 #if 0
626 		/* operating mode attachment */
627 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
628 #endif
629 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
630 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
631 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
632 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
633 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
634 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
635 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
636 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
637 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
638 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
639 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
640 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
641 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
642 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
643 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
644 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
645 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
646 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
647 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
648 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
649 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
650 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
651 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
652 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
653 	}
654 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
655 		db_printf("\n");
656 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
657 			_db_show_vap(vap, showprocs);
658 	}
659 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
660 		const struct ieee80211_node_table *nt = &ic->ic_sta;
661 		const struct ieee80211_node *ni;
662 
663 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
664 			db_printf("\n");
665 			_db_show_sta(ni);
666 		}
667 	}
668 }
669 
670 static void
671 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
672 {
673 	int i;
674 
675 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
676 	db_printf(" inact_init %d", nt->nt_inact_init);
677 	db_printf(" scangen %u\n", nt->nt_scangen);
678 	db_printf("%s keyixmax %d keyixmap %p\n",
679 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
680 	for (i = 0; i < nt->nt_keyixmax; i++) {
681 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
682 		if (ni != NULL)
683 			db_printf("%s [%3u] %p %6D\n", tag, i, ni,
684 			    ni->ni_macaddr, ":");
685 	}
686 }
687 
688 static void
689 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
690 {
691 	db_printf("%s ", tag);
692 	if (c == NULL)
693 		db_printf("<NULL>");
694 	else if (c == IEEE80211_CHAN_ANYC)
695 		db_printf("<ANY>");
696 	else
697 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
698 		    c->ic_freq, c->ic_ieee,
699 		    c->ic_flags, IEEE80211_CHAN_BITS,
700 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
701 		    c->ic_state, c->ic_extieee);
702 }
703 
704 static void
705 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
706 {
707 	const uint8_t *p;
708 	int i;
709 
710 	db_printf(tag, ix);
711 
712 	if (len > IEEE80211_NWID_LEN)
713 		len = IEEE80211_NWID_LEN;
714 	/* determine printable or not */
715 	for (i = 0, p = ssid; i < len; i++, p++) {
716 		if (*p < ' ' || *p > 0x7e)
717 			break;
718 	}
719 	if (i == len) {
720 		db_printf("\"");
721 		for (i = 0, p = ssid; i < len; i++, p++)
722 			db_printf("%c", *p);
723 		db_printf("\"");
724 	} else {
725 		db_printf("0x");
726 		for (i = 0, p = ssid; i < len; i++, p++)
727 			db_printf("%02x", *p);
728 	}
729 }
730 
731 static void
732 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
733 {
734 	const uint8_t *p;
735 	int i;
736 
737 	if (ie == NULL)
738 		return;
739 	db_printf("%s [0x", tag);
740 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
741 		db_printf("%02x", *p);
742 	db_printf("]\n");
743 }
744 
745 static void
746 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
747 {
748 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
749 	const struct ieee80211_cipher *cip = wk->wk_cipher;
750 	int keylen = wk->wk_keylen;
751 
752 	db_printf(tag, ix);
753 	switch (cip->ic_cipher) {
754 	case IEEE80211_CIPHER_WEP:
755 		/* compatibility */
756 		db_printf(" wepkey %u:%s", wk->wk_keyix,
757 		    keylen <= 5 ? "40-bit" :
758 		    keylen <= 13 ? "104-bit" : "128-bit");
759 		break;
760 	case IEEE80211_CIPHER_TKIP:
761 		if (keylen > 128/8)
762 			keylen -= 128/8;	/* ignore MIC for now */
763 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
764 		break;
765 	case IEEE80211_CIPHER_AES_OCB:
766 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
767 		break;
768 	case IEEE80211_CIPHER_AES_CCM:
769 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
770 		break;
771 	case IEEE80211_CIPHER_CKIP:
772 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
773 		break;
774 	case IEEE80211_CIPHER_NONE:
775 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
776 		break;
777 	default:
778 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
779 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
780 		break;
781 	}
782 	if (wk->wk_rxkeyix != wk->wk_keyix)
783 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
784 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
785 		int i;
786 
787 		db_printf(" <");
788 		for (i = 0; i < keylen; i++)
789 			db_printf("%02x", wk->wk_key[i]);
790 		db_printf(">");
791 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
792 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
793 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
794 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
795 		    wk->wk_keytsc != 0)
796 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
797 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
798 	}
799 	db_printf("\n");
800 }
801 
802 static void
803 printrate(const char *tag, int v)
804 {
805 	if (v == IEEE80211_FIXED_RATE_NONE)
806 		db_printf(" %s <none>", tag);
807 	else if (v == 11)
808 		db_printf(" %s 5.5", tag);
809 	else if (v & IEEE80211_RATE_MCS)
810 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
811 	else
812 		db_printf(" %s %d", tag, v/2);
813 }
814 
815 static void
816 _db_show_roamparams(const char *tag, const void *arg,
817     const struct ieee80211_roamparam *rp)
818 {
819 
820 	db_printf(tag, arg);
821 	if (rp->rssi & 1)
822 		db_printf(" rssi %u.5", rp->rssi/2);
823 	else
824 		db_printf(" rssi %u", rp->rssi/2);
825 	printrate("rate", rp->rate);
826 }
827 
828 static void
829 _db_show_txparams(const char *tag, const void *arg,
830     const struct ieee80211_txparam *tp)
831 {
832 
833 	db_printf(tag, arg);
834 	printrate("ucastrate", tp->ucastrate);
835 	printrate("mcastrate", tp->mcastrate);
836 	printrate("mgmtrate", tp->mgmtrate);
837 	db_printf(" maxretry %d", tp->maxretry);
838 }
839 
840 static void
841 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
842 {
843 	const struct mbuf *m;
844 
845 	db_printf("%s len %d maxlen %d drops %d head %p tail %p\n",
846 	    tag, q->aq_len, q->aq_maxlen, q->aq_drops,
847 	    q->aq_head, q->aq_tail);
848 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
849 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
850 		    /* XXX could be either TX or RX but is mostly TX */
851 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
852 }
853 
854 static void
855 _db_show_stats(const struct ieee80211_stats *is)
856 {
857 }
858 
859 #if 0
860 #ifdef IEEE80211_SUPPORT_MESH
861 static void
862 _db_show_mesh(const struct ieee80211_mesh_state *ms)
863 {
864 	struct ieee80211_mesh_route *rt;
865 	int i;
866 
867 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
868 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
869 	    ms->ms_ttl, ms->ms_flags);
870 	db_printf("routing table:\n");
871 	i = 0;
872 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
873 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
874 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
875 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
876 		    rt->rt_lifetime, rt->rt_lastmseq, rt->rt_priv);
877 		i++;
878 	}
879 }
880 #endif /* IEEE80211_SUPPORT_MESH */
881 #endif
882 #endif /* DDB */
883