xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 595e514d0df2bac5b813d35f83e32875dbf16a83)
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/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/vnet.h>
47 
48 #include <net80211/ieee80211_var.h>
49 #ifdef IEEE80211_SUPPORT_TDMA
50 #include <net80211/ieee80211_tdma.h>
51 #endif
52 #ifdef IEEE80211_SUPPORT_MESH
53 #include <net80211/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, int);
67 static void _db_show_com(const struct ieee80211com *,
68 	int showvaps, int showsta, int showmesh, 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 #ifdef IEEE80211_SUPPORT_MESH
83 static void _db_show_mesh(const struct ieee80211_mesh_state *);
84 #endif
85 
86 DB_SHOW_COMMAND(sta, db_show_sta)
87 {
88 	if (!have_addr) {
89 		db_printf("usage: show sta <addr>\n");
90 		return;
91 	}
92 	_db_show_sta((const struct ieee80211_node *) addr);
93 }
94 
95 DB_SHOW_COMMAND(statab, db_show_statab)
96 {
97 	if (!have_addr) {
98 		db_printf("usage: show statab <addr>\n");
99 		return;
100 	}
101 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
102 }
103 
104 DB_SHOW_COMMAND(vap, db_show_vap)
105 {
106 	int i, showmesh = 0, showprocs = 0;
107 
108 	if (!have_addr) {
109 		db_printf("usage: show vap <addr>\n");
110 		return;
111 	}
112 	for (i = 0; modif[i] != '\0'; i++)
113 		switch (modif[i]) {
114 		case 'a':
115 			showprocs = 1;
116 			showmesh = 1;
117 			break;
118 		case 'm':
119 			showmesh = 1;
120 			break;
121 		case 'p':
122 			showprocs = 1;
123 			break;
124 		}
125 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
126 }
127 
128 DB_SHOW_COMMAND(com, db_show_com)
129 {
130 	const struct ieee80211com *ic;
131 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
132 
133 	if (!have_addr) {
134 		db_printf("usage: show com <addr>\n");
135 		return;
136 	}
137 	for (i = 0; modif[i] != '\0'; i++)
138 		switch (modif[i]) {
139 		case 'a':
140 			showsta = showmesh = showvaps = showprocs = 1;
141 			break;
142 		case 's':
143 			showsta = 1;
144 			break;
145 		case 'm':
146 			showmesh = 1;
147 			break;
148 		case 'v':
149 			showvaps = 1;
150 			break;
151 		case 'p':
152 			showprocs = 1;
153 			break;
154 		}
155 
156 	ic = (const struct ieee80211com *) addr;
157 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
158 }
159 
160 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
161 {
162 	VNET_ITERATOR_DECL(vnet_iter);
163 	const struct ifnet *ifp;
164 	int i, showall = 0;
165 
166 	for (i = 0; modif[i] != '\0'; i++)
167 		switch (modif[i]) {
168 		case 'a':
169 			showall = 1;
170 			break;
171 		}
172 
173 	VNET_FOREACH(vnet_iter) {
174 		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
175 			if (ifp->if_type == IFT_IEEE80211) {
176 				const struct ieee80211com *ic = ifp->if_l2com;
177 
178 				if (!showall) {
179 					const struct ieee80211vap *vap;
180 					db_printf("%s: com %p vaps:",
181 					    ifp->if_xname, ic);
182 					TAILQ_FOREACH(vap, &ic->ic_vaps,
183 					    iv_next)
184 						db_printf(" %s(%p)",
185 						    vap->iv_ifp->if_xname, vap);
186 					db_printf("\n");
187 				} else
188 					_db_show_com(ic, 1, 1, 1, 1);
189 			}
190 	}
191 }
192 
193 #ifdef IEEE80211_SUPPORT_MESH
194 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
195 {
196 	const struct ieee80211_mesh_state *ms;
197 
198 	if (!have_addr) {
199 		db_printf("usage: show mesh <addr>\n");
200 		return;
201 	}
202 	ms = (const struct ieee80211_mesh_state *) addr;
203 	_db_show_mesh(ms);
204 }
205 #endif /* IEEE80211_SUPPORT_MESH */
206 
207 static void
208 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
209 {
210 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
211 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
212 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
213 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
214 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
215 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
216 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
217 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
218 		tap->txa_attempts, tap->txa_nextrequest);
219 	/* XXX timer */
220 }
221 
222 static void
223 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
224 {
225 	int i;
226 
227 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
228 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
229 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
230 		sep, rap->rxa_qbytes, rap->rxa_qframes,
231 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
232 	db_printf("%s  age %d nframes %d\n", sep,
233 		rap->rxa_age, rap->rxa_nframes);
234 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
235 		if (rap->rxa_m[i] != NULL)
236 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
237 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
238 			    rap->rxa_m[i]);
239 }
240 
241 static void
242 _db_show_sta(const struct ieee80211_node *ni)
243 {
244 	int i;
245 
246 	db_printf("0x%p: mac %s refcnt %d\n", ni,
247 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
248 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
249 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
250 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
251 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
252 		ni->ni_scangen, ni->ni_authmode,
253 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
254 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
255 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
256 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
257 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
258 		ni->ni_challenge);
259 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
260 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
261 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
262 		ni->ni_ies.ath_ie);
263 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
264 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
265 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
266 		for (i = 0; i < WME_NUM_TID; i++) {
267 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
268 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
269 				    i, ni->ni_txseqs[i],
270 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
271 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
272 		}
273 	}
274 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
275 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
276 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
277 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
278 		ni->ni_rxfragstamp);
279 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
280 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
281 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
282 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
283 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
284 		ni->ni_noise);
285 	db_printf("\tintval %u capinfo %b\n",
286 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
287 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
288 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
289 	db_printf("\n");
290 	_db_show_channel("\tchannel", ni->ni_chan);
291 	db_printf("\n");
292 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
293 		ni->ni_erp, IEEE80211_ERP_BITS,
294 		ni->ni_dtim_period, ni->ni_dtim_count);
295 
296 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
297 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
298 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
299 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
300 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
301 
302 	/* XXX ampdu state */
303 	for (i = 0; i < WME_NUM_TID; i++)
304 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
305 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
306 	for (i = 0; i < WME_NUM_TID; i++)
307 		if (ni->ni_rx_ampdu[i].rxa_flags)
308 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
309 
310 	db_printf("\tinact %u inact_reload %u txrate %u\n",
311 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
312 #ifdef IEEE80211_SUPPORT_MESH
313 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
314 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
315 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
316 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
317 #endif
318 }
319 
320 #ifdef IEEE80211_SUPPORT_TDMA
321 static void
322 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
323 {
324 	db_printf("%stdma %p:\n", sep, ts);
325 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
326 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
327 	db_printf("%s  slotlen %u slotcnt %u", sep,
328 	    ts->tdma_slotlen, ts->tdma_slotcnt);
329 	db_printf(" inuse 0x%x active 0x%x count %d\n",
330 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
331 	if (showprocs) {
332 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
333 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
334 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
335 	}
336 }
337 #endif /* IEEE80211_SUPPORT_TDMA */
338 
339 static void
340 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
341 {
342 	const struct ieee80211com *ic = vap->iv_ic;
343 	int i;
344 
345 	db_printf("%p:", vap);
346 	db_printf(" bss %p", vap->iv_bss);
347 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
348 	db_printf("\n");
349 
350 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
351 #ifdef IEEE80211_SUPPORT_MESH
352 	if (vap->iv_opmode == IEEE80211_M_MBSS)
353 		db_printf("(%p)", vap->iv_mesh);
354 #endif
355 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
356 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
357 	db_printf("\n");
358 
359 	db_printf("\tic %p", vap->iv_ic);
360 	db_printf(" media %p", &vap->iv_media);
361 	db_printf(" bpf_if %p", vap->iv_rawbpf);
362 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
363 #if 0
364 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
365 #endif
366 	db_printf("\n");
367 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
368 
369 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
370 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
371 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
372 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
373 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
374 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
375 
376 	_db_show_stats(&vap->iv_stats);
377 
378 	db_printf("\tinact_init %d", vap->iv_inact_init);
379 	db_printf(" inact_auth %d", vap->iv_inact_auth);
380 	db_printf(" inact_run %d", vap->iv_inact_run);
381 	db_printf(" inact_probe %d", vap->iv_inact_probe);
382 	db_printf("\n");
383 
384 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
385 	if (vap->iv_des_nssid)
386 		_db_show_ssid(" des_ssid[%u] ", 0,
387 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
388 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
389 	db_printf("\n");
390 	db_printf("\tdes_mode %d", vap->iv_des_mode);
391 	_db_show_channel(" des_chan", vap->iv_des_chan);
392 	db_printf("\n");
393 #if 0
394 	int			iv_nicknamelen;	/* XXX junk */
395 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
396 #endif
397 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
398 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
399 	db_printf(" scanvalid %u", vap->iv_scanvalid);
400 	db_printf("\n");
401 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
402 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
403 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
404 	db_printf("\n");
405 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
406 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
407 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
408 		_db_show_ssid(" scanreq_ssid[%u]", i,
409 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
410 	db_printf(" roaming %d", vap->iv_roaming);
411 	db_printf("\n");
412 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
413 		if (isset(ic->ic_modecaps, i)) {
414 			_db_show_roamparams("\troamparms[%s]",
415 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
416 			db_printf("\n");
417 		}
418 
419 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
420 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
421 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
422 	db_printf("\n");
423 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
424 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
425 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
426 	db_printf("\n");
427 
428 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
429 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
430 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
431 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
432 	db_printf("\n");
433 
434 	db_printf("\tmax_aid %u", vap->iv_max_aid);
435 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
436 	db_printf("\n");
437 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
438 	db_printf(" ps_sta %u", vap->iv_ps_sta);
439 	db_printf(" ps_pending %u", vap->iv_ps_pending);
440 	db_printf(" tim_len %u", vap->iv_tim_len);
441 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
442 	db_printf("\n");
443 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
444 	db_printf(" dtim_count %u", vap->iv_dtim_count);
445 	db_printf(" set_tim %p", vap->iv_set_tim);
446 	db_printf(" csa_count %d", vap->iv_csa_count);
447 	db_printf("\n");
448 
449 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
450 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
451 	db_printf(" inact_timer %d", vap->iv_inact_timer);
452 	db_printf("\n");
453 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
454 		if (isset(ic->ic_modecaps, i)) {
455 			_db_show_txparams("\ttxparms[%s]",
456 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
457 			db_printf("\n");
458 		}
459 
460 	/* application-specified IE's to attach to mgt frames */
461 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
462 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
463 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
464 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
465 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
466 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
467 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
468 		if (vap->iv_wpa_ie != NULL)
469 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
470 		if (vap->iv_rsn_ie != NULL)
471 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
472 		db_printf("\n");
473 	}
474 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
475 	db_printf(" def_txkey %d", vap->iv_def_txkey);
476 	db_printf("\n");
477 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
478 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
479 
480 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
481 	db_printf(" ec %p", vap->iv_ec);
482 
483 	db_printf(" acl %p", vap->iv_acl);
484 	db_printf(" as %p", vap->iv_as);
485 	db_printf("\n");
486 #ifdef IEEE80211_SUPPORT_MESH
487 	if (showmesh && vap->iv_mesh != NULL)
488 		_db_show_mesh(vap->iv_mesh);
489 #endif
490 #ifdef IEEE80211_SUPPORT_TDMA
491 	if (vap->iv_tdma != NULL)
492 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
493 #endif /* IEEE80211_SUPPORT_TDMA */
494 	if (showprocs) {
495 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
496 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
497 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
498 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
499 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
500 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
501 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
502 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
503 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
504 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
505 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
506 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
507 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
508 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
509 	}
510 }
511 
512 static void
513 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
514     int showmesh, int showprocs)
515 {
516 	struct ieee80211vap *vap;
517 
518 	db_printf("%p:", ic);
519 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
520 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
521 	db_printf("\n");
522 	db_printf("\tifp %p(%s)", ic->ic_ifp, ic->ic_ifp->if_xname);
523 	db_printf(" comlock %p", &ic->ic_comlock);
524 	db_printf("\n");
525 	db_printf("\theadroom %d", ic->ic_headroom);
526 	db_printf(" phytype %d", ic->ic_phytype);
527 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
528 	db_printf("\n");
529 	db_printf("\tmedia %p", &ic->ic_media);
530 	db_printf(" inact %p", &ic->ic_inact);
531 	db_printf("\n");
532 
533 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
534 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
535 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
536 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
537 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
538 	db_printf("\tcryptocaps=%b\n",
539 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
540 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
541 
542 #if 0
543 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
544 #endif
545 	db_printf("\tcurmode %u", ic->ic_curmode);
546 	db_printf(" promisc %u", ic->ic_promisc);
547 	db_printf(" allmulti %u", ic->ic_allmulti);
548 	db_printf(" nrunning %u", ic->ic_nrunning);
549 	db_printf("\n");
550 	db_printf("\tbintval %u", ic->ic_bintval);
551 	db_printf(" lintval %u", ic->ic_lintval);
552 	db_printf(" holdover %u", ic->ic_holdover);
553 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
554 	db_printf("\n");
555 #if 0
556 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
557 #endif
558 	/*
559 	 * Channel state:
560 	 *
561 	 * ic_channels is the set of available channels for the device;
562 	 *    it is setup by the driver
563 	 * ic_nchans is the number of valid entries in ic_channels
564 	 * ic_chan_avail is a bit vector of these channels used to check
565 	 *    whether a channel is available w/o searching the channel table.
566 	 * ic_chan_active is a (potentially) constrained subset of
567 	 *    ic_chan_avail that reflects any mode setting or user-specified
568 	 *    limit on the set of channels to use/scan
569 	 * ic_curchan is the current channel the device is set to; it may
570 	 *    be different from ic_bsschan when we are off-channel scanning
571 	 *    or otherwise doing background work
572 	 * ic_bsschan is the channel selected for operation; it may
573 	 *    be undefined (IEEE80211_CHAN_ANYC)
574 	 * ic_prevchan is a cached ``previous channel'' used to optimize
575 	 *    lookups when switching back+forth between two channels
576 	 *    (e.g. for dynamic turbo)
577 	 */
578 	db_printf("\tnchans %d", ic->ic_nchans);
579 #if 0
580 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
581 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
582 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
583 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
584 #endif
585 	db_printf("\n");
586 	_db_show_channel("\tcurchan", ic->ic_curchan);
587 	db_printf("\n");
588 	_db_show_channel("\tbsschan", ic->ic_bsschan);
589 	db_printf("\n");
590 	_db_show_channel("\tprevchan", ic->ic_prevchan);
591 	db_printf("\n");
592 	db_printf("\tregdomain %p", &ic->ic_regdomain);
593 	db_printf("\n");
594 
595 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
596 	db_printf(" csa_count %d", ic->ic_csa_count);
597 	db_printf( "dfs %p", &ic->ic_dfs);
598 	db_printf("\n");
599 
600 	db_printf("\tscan %p", ic->ic_scan);
601 	db_printf(" lastdata %d", ic->ic_lastdata);
602 	db_printf(" lastscan %d", ic->ic_lastscan);
603 	db_printf("\n");
604 
605 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
606 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
607 	db_printf(" wme %p", &ic->ic_wme);
608 	if (!showsta)
609 		db_printf(" sta %p", &ic->ic_sta);
610 	db_printf("\n");
611 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
612 	_db_show_ageq("\t", &ic->ic_stageq);
613 	if (showsta)
614 		_db_show_node_table("\t", &ic->ic_sta);
615 
616 	db_printf("\tprotmode %d", ic->ic_protmode);
617 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
618 	db_printf(" longslotsta %u", ic->ic_longslotsta);
619 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
620 	db_printf("\n");
621 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
622 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
623 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
624 	db_printf("\n");
625 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
626 	db_printf(" htprotmode %d", ic->ic_htprotmode);
627 	db_printf(" lastnonht %d", ic->ic_lastnonht);
628 	db_printf("\n");
629 
630 	db_printf("\tsuperg %p\n", ic->ic_superg);
631 
632 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
633 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
634 
635 	if (showprocs) {
636 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
637 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
638 #if 0
639 		/* operating mode attachment */
640 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
641 #endif
642 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
643 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
644 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
645 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
646 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
647 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
648 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
649 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
650 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
651 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
652 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
653 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
654 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
655 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
656 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
657 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
658 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
659 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
660 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
661 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
662 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
663 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
664 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
665 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
666 	}
667 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
668 		db_printf("\n");
669 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
670 			_db_show_vap(vap, showmesh, showprocs);
671 	}
672 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
673 		const struct ieee80211_node_table *nt = &ic->ic_sta;
674 		const struct ieee80211_node *ni;
675 
676 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
677 			db_printf("\n");
678 			_db_show_sta(ni);
679 		}
680 	}
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