xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision b78ee15e9f04ae15c3e1200df974473167524d17)
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_var.h>
43 #include <net/if_dl.h>
44 #include <net/if_media.h>
45 #include <net/if_types.h>
46 #include <net/ethernet.h>
47 #include <net/vnet.h>
48 
49 #include <net80211/ieee80211_var.h>
50 #ifdef IEEE80211_SUPPORT_TDMA
51 #include <net80211/ieee80211_tdma.h>
52 #endif
53 #ifdef IEEE80211_SUPPORT_MESH
54 #include <net80211/ieee80211_mesh.h>
55 #endif
56 
57 #include <ddb/ddb.h>
58 #include <ddb/db_sym.h>
59 
60 #define DB_PRINTSYM(prefix, name, addr) do { \
61 	db_printf("%s%-25s : ",  prefix, name); \
62 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
63 	db_printf("\n"); \
64 } while (0)
65 
66 static void _db_show_sta(const struct ieee80211_node *);
67 static void _db_show_vap(const struct ieee80211vap *, int, int);
68 static void _db_show_com(const struct ieee80211com *,
69 	int showvaps, int showsta, int showmesh, int showprocs);
70 
71 static void _db_show_node_table(const char *tag,
72 	const struct ieee80211_node_table *);
73 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
74 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
75 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
76 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
77 static void _db_show_roamparams(const char *tag, const void *arg,
78 	const struct ieee80211_roamparam *rp);
79 static void _db_show_txparams(const char *tag, const void *arg,
80 	const struct ieee80211_txparam *tp);
81 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
82 static void _db_show_stats(const struct ieee80211_stats *);
83 #ifdef IEEE80211_SUPPORT_MESH
84 static void _db_show_mesh(const struct ieee80211_mesh_state *);
85 #endif
86 
87 DB_SHOW_COMMAND(sta, db_show_sta)
88 {
89 	if (!have_addr) {
90 		db_printf("usage: show sta <addr>\n");
91 		return;
92 	}
93 	_db_show_sta((const struct ieee80211_node *) addr);
94 }
95 
96 DB_SHOW_COMMAND(statab, db_show_statab)
97 {
98 	if (!have_addr) {
99 		db_printf("usage: show statab <addr>\n");
100 		return;
101 	}
102 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
103 }
104 
105 DB_SHOW_COMMAND(vap, db_show_vap)
106 {
107 	int i, showmesh = 0, showprocs = 0;
108 
109 	if (!have_addr) {
110 		db_printf("usage: show vap <addr>\n");
111 		return;
112 	}
113 	for (i = 0; modif[i] != '\0'; i++)
114 		switch (modif[i]) {
115 		case 'a':
116 			showprocs = 1;
117 			showmesh = 1;
118 			break;
119 		case 'm':
120 			showmesh = 1;
121 			break;
122 		case 'p':
123 			showprocs = 1;
124 			break;
125 		}
126 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
127 }
128 
129 DB_SHOW_COMMAND(com, db_show_com)
130 {
131 	const struct ieee80211com *ic;
132 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
133 
134 	if (!have_addr) {
135 		db_printf("usage: show com <addr>\n");
136 		return;
137 	}
138 	for (i = 0; modif[i] != '\0'; i++)
139 		switch (modif[i]) {
140 		case 'a':
141 			showsta = showmesh = showvaps = showprocs = 1;
142 			break;
143 		case 's':
144 			showsta = 1;
145 			break;
146 		case 'm':
147 			showmesh = 1;
148 			break;
149 		case 'v':
150 			showvaps = 1;
151 			break;
152 		case 'p':
153 			showprocs = 1;
154 			break;
155 		}
156 
157 	ic = (const struct ieee80211com *) addr;
158 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
159 }
160 
161 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
162 {
163 	VNET_ITERATOR_DECL(vnet_iter);
164 	const struct ifnet *ifp;
165 	int i, showall = 0;
166 
167 	for (i = 0; modif[i] != '\0'; i++)
168 		switch (modif[i]) {
169 		case 'a':
170 			showall = 1;
171 			break;
172 		}
173 
174 	VNET_FOREACH(vnet_iter) {
175 		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
176 			if (ifp->if_type == IFT_IEEE80211) {
177 				const struct ieee80211com *ic = ifp->if_l2com;
178 
179 				if (!showall) {
180 					const struct ieee80211vap *vap;
181 					db_printf("%s: com %p vaps:",
182 					    ifp->if_xname, ic);
183 					TAILQ_FOREACH(vap, &ic->ic_vaps,
184 					    iv_next)
185 						db_printf(" %s(%p)",
186 						    vap->iv_ifp->if_xname, vap);
187 					db_printf("\n");
188 				} else
189 					_db_show_com(ic, 1, 1, 1, 1);
190 			}
191 	}
192 }
193 
194 #ifdef IEEE80211_SUPPORT_MESH
195 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
196 {
197 	const struct ieee80211_mesh_state *ms;
198 
199 	if (!have_addr) {
200 		db_printf("usage: show mesh <addr>\n");
201 		return;
202 	}
203 	ms = (const struct ieee80211_mesh_state *) addr;
204 	_db_show_mesh(ms);
205 }
206 #endif /* IEEE80211_SUPPORT_MESH */
207 
208 static void
209 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
210 {
211 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
212 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
213 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
214 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
215 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
216 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
217 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
218 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
219 		tap->txa_attempts, tap->txa_nextrequest);
220 	/* XXX timer */
221 }
222 
223 static void
224 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
225 {
226 	int i;
227 
228 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
229 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
230 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
231 		sep, rap->rxa_qbytes, rap->rxa_qframes,
232 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
233 	db_printf("%s  age %d nframes %d\n", sep,
234 		rap->rxa_age, rap->rxa_nframes);
235 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
236 		if (rap->rxa_m[i] != NULL)
237 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
238 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
239 			    rap->rxa_m[i]);
240 }
241 
242 static void
243 _db_show_sta(const struct ieee80211_node *ni)
244 {
245 	int i;
246 
247 	db_printf("0x%p: mac %s refcnt %d\n", ni,
248 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
249 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
250 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
251 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
252 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
253 		ni->ni_scangen, ni->ni_authmode,
254 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
255 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
256 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
257 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
258 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
259 		ni->ni_challenge);
260 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
261 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
262 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
263 		ni->ni_ies.ath_ie);
264 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
265 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
266 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
267 		for (i = 0; i < WME_NUM_TID; i++) {
268 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
269 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
270 				    i, ni->ni_txseqs[i],
271 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
272 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
273 		}
274 	}
275 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
276 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
277 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
278 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
279 		ni->ni_rxfragstamp);
280 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
281 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
282 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
283 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
284 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
285 		ni->ni_noise);
286 	db_printf("\tintval %u capinfo %b\n",
287 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
288 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
289 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
290 	db_printf("\n");
291 	_db_show_channel("\tchannel", ni->ni_chan);
292 	db_printf("\n");
293 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
294 		ni->ni_erp, IEEE80211_ERP_BITS,
295 		ni->ni_dtim_period, ni->ni_dtim_count);
296 
297 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
298 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
299 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
300 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
301 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
302 
303 	/* XXX ampdu state */
304 	for (i = 0; i < WME_NUM_TID; i++)
305 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
306 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
307 	for (i = 0; i < WME_NUM_TID; i++)
308 		if (ni->ni_rx_ampdu[i].rxa_flags)
309 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
310 
311 	db_printf("\tinact %u inact_reload %u txrate %u\n",
312 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
313 #ifdef IEEE80211_SUPPORT_MESH
314 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
315 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
316 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
317 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
318 #endif
319 }
320 
321 #ifdef IEEE80211_SUPPORT_TDMA
322 static void
323 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
324 {
325 	db_printf("%stdma %p:\n", sep, ts);
326 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
327 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
328 	db_printf("%s  slotlen %u slotcnt %u", sep,
329 	    ts->tdma_slotlen, ts->tdma_slotcnt);
330 	db_printf(" inuse 0x%x active 0x%x count %d\n",
331 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
332 	if (showprocs) {
333 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
334 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
335 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
336 	}
337 }
338 #endif /* IEEE80211_SUPPORT_TDMA */
339 
340 static void
341 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
342 {
343 	const struct ieee80211com *ic = vap->iv_ic;
344 	int i;
345 
346 	db_printf("%p:", vap);
347 	db_printf(" bss %p", vap->iv_bss);
348 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
349 	db_printf("\n");
350 
351 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
352 #ifdef IEEE80211_SUPPORT_MESH
353 	if (vap->iv_opmode == IEEE80211_M_MBSS)
354 		db_printf("(%p)", vap->iv_mesh);
355 #endif
356 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
357 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
358 	db_printf("\n");
359 
360 	db_printf("\tic %p", vap->iv_ic);
361 	db_printf(" media %p", &vap->iv_media);
362 	db_printf(" bpf_if %p", vap->iv_rawbpf);
363 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
364 #if 0
365 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
366 #endif
367 	db_printf("\n");
368 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
369 
370 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
371 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
372 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
373 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
374 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
375 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
376 
377 	_db_show_stats(&vap->iv_stats);
378 
379 	db_printf("\tinact_init %d", vap->iv_inact_init);
380 	db_printf(" inact_auth %d", vap->iv_inact_auth);
381 	db_printf(" inact_run %d", vap->iv_inact_run);
382 	db_printf(" inact_probe %d", vap->iv_inact_probe);
383 	db_printf("\n");
384 
385 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
386 	if (vap->iv_des_nssid)
387 		_db_show_ssid(" des_ssid[%u] ", 0,
388 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
389 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
390 	db_printf("\n");
391 	db_printf("\tdes_mode %d", vap->iv_des_mode);
392 	_db_show_channel(" des_chan", vap->iv_des_chan);
393 	db_printf("\n");
394 #if 0
395 	int			iv_nicknamelen;	/* XXX junk */
396 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
397 #endif
398 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
399 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
400 	db_printf(" scanvalid %u", vap->iv_scanvalid);
401 	db_printf("\n");
402 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
403 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
404 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
405 	db_printf("\n");
406 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
407 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
408 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
409 		_db_show_ssid(" scanreq_ssid[%u]", i,
410 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
411 	db_printf(" roaming %d", vap->iv_roaming);
412 	db_printf("\n");
413 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
414 		if (isset(ic->ic_modecaps, i)) {
415 			_db_show_roamparams("\troamparms[%s]",
416 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
417 			db_printf("\n");
418 		}
419 
420 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
421 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
422 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
423 	db_printf("\n");
424 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
425 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
426 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
427 	db_printf("\n");
428 
429 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
430 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
431 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
432 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
433 	db_printf("\n");
434 
435 	db_printf("\tmax_aid %u", vap->iv_max_aid);
436 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
437 	db_printf("\n");
438 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
439 	db_printf(" ps_sta %u", vap->iv_ps_sta);
440 	db_printf(" ps_pending %u", vap->iv_ps_pending);
441 	db_printf(" tim_len %u", vap->iv_tim_len);
442 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
443 	db_printf("\n");
444 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
445 	db_printf(" dtim_count %u", vap->iv_dtim_count);
446 	db_printf(" set_tim %p", vap->iv_set_tim);
447 	db_printf(" csa_count %d", vap->iv_csa_count);
448 	db_printf("\n");
449 
450 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
451 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
452 	db_printf(" inact_timer %d", vap->iv_inact_timer);
453 	db_printf("\n");
454 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
455 		if (isset(ic->ic_modecaps, i)) {
456 			_db_show_txparams("\ttxparms[%s]",
457 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
458 			db_printf("\n");
459 		}
460 
461 	/* application-specified IE's to attach to mgt frames */
462 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
463 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
464 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
465 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
466 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
467 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
468 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
469 		if (vap->iv_wpa_ie != NULL)
470 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
471 		if (vap->iv_rsn_ie != NULL)
472 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
473 		db_printf("\n");
474 	}
475 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
476 	db_printf(" def_txkey %d", vap->iv_def_txkey);
477 	db_printf("\n");
478 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
479 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
480 
481 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
482 	db_printf(" ec %p", vap->iv_ec);
483 
484 	db_printf(" acl %p", vap->iv_acl);
485 	db_printf(" as %p", vap->iv_as);
486 	db_printf("\n");
487 #ifdef IEEE80211_SUPPORT_MESH
488 	if (showmesh && vap->iv_mesh != NULL)
489 		_db_show_mesh(vap->iv_mesh);
490 #endif
491 #ifdef IEEE80211_SUPPORT_TDMA
492 	if (vap->iv_tdma != NULL)
493 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
494 #endif /* IEEE80211_SUPPORT_TDMA */
495 	if (showprocs) {
496 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
497 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
498 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
499 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
500 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
501 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
502 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
503 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
504 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
505 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
506 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
507 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
508 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
509 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
510 	}
511 }
512 
513 static void
514 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
515     int showmesh, int showprocs)
516 {
517 	struct ieee80211vap *vap;
518 
519 	db_printf("%p:", ic);
520 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
521 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
522 	db_printf("\n");
523 	db_printf("\tifp %p(%s)", ic->ic_ifp, ic->ic_ifp->if_xname);
524 	db_printf("\tname %s", ic->ic_name);
525 	db_printf(" comlock %p", &ic->ic_comlock);
526 	db_printf("\n");
527 	db_printf("\theadroom %d", ic->ic_headroom);
528 	db_printf(" phytype %d", ic->ic_phytype);
529 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
530 	db_printf("\n");
531 	db_printf("\tmedia %p", &ic->ic_media);
532 	db_printf(" inact %p", &ic->ic_inact);
533 	db_printf("\n");
534 
535 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
536 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
537 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
538 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
539 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
540 	db_printf("\tcryptocaps=%b\n",
541 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
542 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
543 
544 #if 0
545 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
546 #endif
547 	db_printf("\tcurmode %u", ic->ic_curmode);
548 	db_printf(" promisc %u", ic->ic_promisc);
549 	db_printf(" allmulti %u", ic->ic_allmulti);
550 	db_printf(" nrunning %u", ic->ic_nrunning);
551 	db_printf("\n");
552 	db_printf("\tbintval %u", ic->ic_bintval);
553 	db_printf(" lintval %u", ic->ic_lintval);
554 	db_printf(" holdover %u", ic->ic_holdover);
555 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
556 	db_printf("\n");
557 #if 0
558 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
559 #endif
560 	/*
561 	 * Channel state:
562 	 *
563 	 * ic_channels is the set of available channels for the device;
564 	 *    it is setup by the driver
565 	 * ic_nchans is the number of valid entries in ic_channels
566 	 * ic_chan_avail is a bit vector of these channels used to check
567 	 *    whether a channel is available w/o searching the channel table.
568 	 * ic_chan_active is a (potentially) constrained subset of
569 	 *    ic_chan_avail that reflects any mode setting or user-specified
570 	 *    limit on the set of channels to use/scan
571 	 * ic_curchan is the current channel the device is set to; it may
572 	 *    be different from ic_bsschan when we are off-channel scanning
573 	 *    or otherwise doing background work
574 	 * ic_bsschan is the channel selected for operation; it may
575 	 *    be undefined (IEEE80211_CHAN_ANYC)
576 	 * ic_prevchan is a cached ``previous channel'' used to optimize
577 	 *    lookups when switching back+forth between two channels
578 	 *    (e.g. for dynamic turbo)
579 	 */
580 	db_printf("\tnchans %d", ic->ic_nchans);
581 #if 0
582 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
583 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
584 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
585 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
586 #endif
587 	db_printf("\n");
588 	_db_show_channel("\tcurchan", ic->ic_curchan);
589 	db_printf("\n");
590 	_db_show_channel("\tbsschan", ic->ic_bsschan);
591 	db_printf("\n");
592 	_db_show_channel("\tprevchan", ic->ic_prevchan);
593 	db_printf("\n");
594 	db_printf("\tregdomain %p", &ic->ic_regdomain);
595 	db_printf("\n");
596 
597 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
598 	db_printf(" csa_count %d", ic->ic_csa_count);
599 	db_printf( "dfs %p", &ic->ic_dfs);
600 	db_printf("\n");
601 
602 	db_printf("\tscan %p", ic->ic_scan);
603 	db_printf(" lastdata %d", ic->ic_lastdata);
604 	db_printf(" lastscan %d", ic->ic_lastscan);
605 	db_printf("\n");
606 
607 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
608 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
609 	db_printf(" wme %p", &ic->ic_wme);
610 	if (!showsta)
611 		db_printf(" sta %p", &ic->ic_sta);
612 	db_printf("\n");
613 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
614 	_db_show_ageq("\t", &ic->ic_stageq);
615 	if (showsta)
616 		_db_show_node_table("\t", &ic->ic_sta);
617 
618 	db_printf("\tprotmode %d", ic->ic_protmode);
619 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
620 	db_printf(" longslotsta %u", ic->ic_longslotsta);
621 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
622 	db_printf("\n");
623 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
624 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
625 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
626 	db_printf("\n");
627 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
628 	db_printf(" htprotmode %d", ic->ic_htprotmode);
629 	db_printf(" lastnonht %d", ic->ic_lastnonht);
630 	db_printf("\n");
631 
632 	db_printf("\tsuperg %p\n", ic->ic_superg);
633 
634 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
635 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
636 
637 	if (showprocs) {
638 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
639 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
640 #if 0
641 		/* operating mode attachment */
642 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
643 #endif
644 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
645 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
646 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
647 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
648 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
649 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
650 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
651 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
652 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
653 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
654 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
655 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
656 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
657 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
658 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
659 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
660 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
661 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
662 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
663 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
664 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
665 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
666 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
667 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
668 	}
669 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
670 		db_printf("\n");
671 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
672 			_db_show_vap(vap, showmesh, showprocs);
673 	}
674 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
675 		const struct ieee80211_node_table *nt = &ic->ic_sta;
676 		const struct ieee80211_node *ni;
677 
678 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
679 			db_printf("\n");
680 			_db_show_sta(ni);
681 		}
682 	}
683 }
684 
685 static void
686 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
687 {
688 	int i;
689 
690 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
691 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
692 	db_printf(" inact_init %d", nt->nt_inact_init);
693 	db_printf(" scanlock %p", &nt->nt_scanlock);
694 	db_printf(" scangen %u\n", nt->nt_scangen);
695 	db_printf("%s keyixmax %d keyixmap %p\n",
696 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
697 	for (i = 0; i < nt->nt_keyixmax; i++) {
698 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
699 		if (ni != NULL)
700 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
701 			    ether_sprintf(ni->ni_macaddr));
702 	}
703 }
704 
705 static void
706 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
707 {
708 	db_printf("%s ", tag);
709 	if (c == NULL)
710 		db_printf("<NULL>");
711 	else if (c == IEEE80211_CHAN_ANYC)
712 		db_printf("<ANY>");
713 	else
714 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
715 		    c->ic_freq, c->ic_ieee,
716 		    c->ic_flags, IEEE80211_CHAN_BITS,
717 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
718 		    c->ic_state, c->ic_extieee);
719 }
720 
721 static void
722 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
723 {
724 	const uint8_t *p;
725 	int i;
726 
727 	db_printf(tag, ix);
728 
729 	if (len > IEEE80211_NWID_LEN)
730 		len = IEEE80211_NWID_LEN;
731 	/* determine printable or not */
732 	for (i = 0, p = ssid; i < len; i++, p++) {
733 		if (*p < ' ' || *p > 0x7e)
734 			break;
735 	}
736 	if (i == len) {
737 		db_printf("\"");
738 		for (i = 0, p = ssid; i < len; i++, p++)
739 			db_printf("%c", *p);
740 		db_printf("\"");
741 	} else {
742 		db_printf("0x");
743 		for (i = 0, p = ssid; i < len; i++, p++)
744 			db_printf("%02x", *p);
745 	}
746 }
747 
748 static void
749 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
750 {
751 	const uint8_t *p;
752 	int i;
753 
754 	if (ie == NULL)
755 		return;
756 	db_printf("%s [0x", tag);
757 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
758 		db_printf("%02x", *p);
759 	db_printf("]\n");
760 }
761 
762 static void
763 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
764 {
765 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
766 	const struct ieee80211_cipher *cip = wk->wk_cipher;
767 	int keylen = wk->wk_keylen;
768 
769 	db_printf(tag, ix);
770 	switch (cip->ic_cipher) {
771 	case IEEE80211_CIPHER_WEP:
772 		/* compatibility */
773 		db_printf(" wepkey %u:%s", wk->wk_keyix,
774 		    keylen <= 5 ? "40-bit" :
775 		    keylen <= 13 ? "104-bit" : "128-bit");
776 		break;
777 	case IEEE80211_CIPHER_TKIP:
778 		if (keylen > 128/8)
779 			keylen -= 128/8;	/* ignore MIC for now */
780 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
781 		break;
782 	case IEEE80211_CIPHER_AES_OCB:
783 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
784 		break;
785 	case IEEE80211_CIPHER_AES_CCM:
786 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
787 		break;
788 	case IEEE80211_CIPHER_CKIP:
789 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
790 		break;
791 	case IEEE80211_CIPHER_NONE:
792 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
793 		break;
794 	default:
795 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
796 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
797 		break;
798 	}
799 	if (wk->wk_rxkeyix != wk->wk_keyix)
800 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
801 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
802 		int i;
803 
804 		db_printf(" <");
805 		for (i = 0; i < keylen; i++)
806 			db_printf("%02x", wk->wk_key[i]);
807 		db_printf(">");
808 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
809 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
810 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
811 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
812 		    wk->wk_keytsc != 0)
813 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
814 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
815 	}
816 	db_printf("\n");
817 }
818 
819 static void
820 printrate(const char *tag, int v)
821 {
822 	if (v == IEEE80211_FIXED_RATE_NONE)
823 		db_printf(" %s <none>", tag);
824 	else if (v == 11)
825 		db_printf(" %s 5.5", tag);
826 	else if (v & IEEE80211_RATE_MCS)
827 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
828 	else
829 		db_printf(" %s %d", tag, v/2);
830 }
831 
832 static void
833 _db_show_roamparams(const char *tag, const void *arg,
834     const struct ieee80211_roamparam *rp)
835 {
836 
837 	db_printf(tag, arg);
838 	if (rp->rssi & 1)
839 		db_printf(" rssi %u.5", rp->rssi/2);
840 	else
841 		db_printf(" rssi %u", rp->rssi/2);
842 	printrate("rate", rp->rate);
843 }
844 
845 static void
846 _db_show_txparams(const char *tag, const void *arg,
847     const struct ieee80211_txparam *tp)
848 {
849 
850 	db_printf(tag, arg);
851 	printrate("ucastrate", tp->ucastrate);
852 	printrate("mcastrate", tp->mcastrate);
853 	printrate("mgmtrate", tp->mgmtrate);
854 	db_printf(" maxretry %d", tp->maxretry);
855 }
856 
857 static void
858 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
859 {
860 	const struct mbuf *m;
861 
862 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
863 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
864 	    q->aq_head, q->aq_tail);
865 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
866 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
867 		    /* XXX could be either TX or RX but is mostly TX */
868 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
869 }
870 
871 static void
872 _db_show_stats(const struct ieee80211_stats *is)
873 {
874 }
875 
876 #ifdef IEEE80211_SUPPORT_MESH
877 static void
878 _db_show_mesh(const struct ieee80211_mesh_state *ms)
879 {
880 	struct ieee80211_mesh_route *rt;
881 	int i;
882 
883 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
884 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
885 	    ms->ms_ttl, ms->ms_flags);
886 	db_printf("routing table:\n");
887 	i = 0;
888 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
889 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
890 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
891 
892 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
893 		    ieee80211_mesh_rt_update(rt, 0),
894 		    rt->rt_lastmseq, rt->rt_priv);
895 		i++;
896 	}
897 }
898 #endif /* IEEE80211_SUPPORT_MESH */
899 #endif /* DDB */
900