xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision eb9da1ada8b6b2c74378a5c17029ec5a7fb199e6)
1 /*-
2  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include "opt_ddb.h"
30 #include "opt_wlan.h"
31 
32 #ifdef DDB
33 /*
34  * IEEE 802.11 DDB support
35  */
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #include <sys/socket.h>
41 
42 #include <net/if.h>
43 #include <net/if_var.h>
44 #include <net/if_dl.h>
45 #include <net/if_media.h>
46 #include <net/if_types.h>
47 #include <net/ethernet.h>
48 #include <net/vnet.h>
49 
50 #include <net80211/ieee80211_var.h>
51 #ifdef IEEE80211_SUPPORT_TDMA
52 #include <net80211/ieee80211_tdma.h>
53 #endif
54 #ifdef IEEE80211_SUPPORT_MESH
55 #include <net80211/ieee80211_mesh.h>
56 #endif
57 
58 #include <ddb/ddb.h>
59 #include <ddb/db_sym.h>
60 
61 #define DB_PRINTSYM(prefix, name, addr) do { \
62 	db_printf("%s%-25s : ",  prefix, name); \
63 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
64 	db_printf("\n"); \
65 } while (0)
66 
67 static void _db_show_sta(const struct ieee80211_node *);
68 static void _db_show_vap(const struct ieee80211vap *, int, int);
69 static void _db_show_com(const struct ieee80211com *,
70 	int showvaps, int showsta, int showmesh, int showprocs);
71 
72 static void _db_show_all_vaps(void *, struct ieee80211com *);
73 
74 static void _db_show_node_table(const char *tag,
75 	const struct ieee80211_node_table *);
76 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
77 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
78 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
79 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
80 static void _db_show_roamparams(const char *tag, const void *arg,
81 	const struct ieee80211_roamparam *rp);
82 static void _db_show_txparams(const char *tag, const void *arg,
83 	const struct ieee80211_txparam *tp);
84 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
85 static void _db_show_stats(const struct ieee80211_stats *);
86 #ifdef IEEE80211_SUPPORT_MESH
87 static void _db_show_mesh(const struct ieee80211_mesh_state *);
88 #endif
89 
90 DB_SHOW_COMMAND(sta, db_show_sta)
91 {
92 	if (!have_addr) {
93 		db_printf("usage: show sta <addr>\n");
94 		return;
95 	}
96 	_db_show_sta((const struct ieee80211_node *) addr);
97 }
98 
99 DB_SHOW_COMMAND(statab, db_show_statab)
100 {
101 	if (!have_addr) {
102 		db_printf("usage: show statab <addr>\n");
103 		return;
104 	}
105 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
106 }
107 
108 DB_SHOW_COMMAND(vap, db_show_vap)
109 {
110 	int i, showmesh = 0, showprocs = 0;
111 
112 	if (!have_addr) {
113 		db_printf("usage: show vap <addr>\n");
114 		return;
115 	}
116 	for (i = 0; modif[i] != '\0'; i++)
117 		switch (modif[i]) {
118 		case 'a':
119 			showprocs = 1;
120 			showmesh = 1;
121 			break;
122 		case 'm':
123 			showmesh = 1;
124 			break;
125 		case 'p':
126 			showprocs = 1;
127 			break;
128 		}
129 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
130 }
131 
132 DB_SHOW_COMMAND(com, db_show_com)
133 {
134 	const struct ieee80211com *ic;
135 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
136 
137 	if (!have_addr) {
138 		db_printf("usage: show com <addr>\n");
139 		return;
140 	}
141 	for (i = 0; modif[i] != '\0'; i++)
142 		switch (modif[i]) {
143 		case 'a':
144 			showsta = showmesh = showvaps = showprocs = 1;
145 			break;
146 		case 's':
147 			showsta = 1;
148 			break;
149 		case 'm':
150 			showmesh = 1;
151 			break;
152 		case 'v':
153 			showvaps = 1;
154 			break;
155 		case 'p':
156 			showprocs = 1;
157 			break;
158 		}
159 
160 	ic = (const struct ieee80211com *) addr;
161 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
162 }
163 
164 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
165 {
166 	int i, showall = 0;
167 
168 	for (i = 0; modif[i] != '\0'; i++)
169 		switch (modif[i]) {
170 		case 'a':
171 			showall = 1;
172 			break;
173 		}
174 
175 	ieee80211_iterate_coms(_db_show_all_vaps, &showall);
176 }
177 
178 #ifdef IEEE80211_SUPPORT_MESH
179 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
180 {
181 	const struct ieee80211_mesh_state *ms;
182 
183 	if (!have_addr) {
184 		db_printf("usage: show mesh <addr>\n");
185 		return;
186 	}
187 	ms = (const struct ieee80211_mesh_state *) addr;
188 	_db_show_mesh(ms);
189 }
190 #endif /* IEEE80211_SUPPORT_MESH */
191 
192 static void
193 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
194 {
195 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
196 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
197 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
198 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
199 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
200 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
201 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
202 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
203 		tap->txa_attempts, tap->txa_nextrequest);
204 	/* XXX timer */
205 }
206 
207 static void
208 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
209 {
210 	int i;
211 
212 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
213 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
214 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
215 		sep, rap->rxa_qbytes, rap->rxa_qframes,
216 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
217 	db_printf("%s  age %d nframes %d\n", sep,
218 		rap->rxa_age, rap->rxa_nframes);
219 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
220 		if (rap->rxa_m[i] != NULL)
221 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
222 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
223 			    rap->rxa_m[i]);
224 }
225 
226 static void
227 _db_show_sta(const struct ieee80211_node *ni)
228 {
229 	int i;
230 
231 	db_printf("0x%p: mac %s refcnt %d\n", ni,
232 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
233 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
234 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
235 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
236 	db_printf("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
237 		ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
238 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
239 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
240 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
241 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
242 		ni->ni_challenge);
243 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
244 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
245 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
246 		ni->ni_ies.ath_ie);
247 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
248 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
249 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
250 		for (i = 0; i < WME_NUM_TID; i++) {
251 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
252 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
253 				    i, ni->ni_txseqs[i],
254 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
255 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
256 		}
257 	}
258 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
259 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
260 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
261 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
262 		ni->ni_rxfragstamp);
263 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
264 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
265 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
266 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
267 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
268 		ni->ni_noise);
269 	db_printf("\tintval %u capinfo %b\n",
270 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
271 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
272 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
273 	db_printf("\n");
274 	_db_show_channel("\tchannel", ni->ni_chan);
275 	db_printf("\n");
276 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
277 		ni->ni_erp, IEEE80211_ERP_BITS,
278 		ni->ni_dtim_period, ni->ni_dtim_count);
279 
280 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
281 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
282 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
283 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
284 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
285 
286 	/* XXX ampdu state */
287 	for (i = 0; i < WME_NUM_TID; i++)
288 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
289 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
290 	for (i = 0; i < WME_NUM_TID; i++)
291 		if (ni->ni_rx_ampdu[i].rxa_flags)
292 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
293 
294 	db_printf("\tinact %u inact_reload %u txrate %u\n",
295 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
296 #ifdef IEEE80211_SUPPORT_MESH
297 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
298 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
299 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
300 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
301 #endif
302 }
303 
304 #ifdef IEEE80211_SUPPORT_TDMA
305 static void
306 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
307 {
308 	db_printf("%stdma %p:\n", sep, ts);
309 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
310 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
311 	db_printf("%s  slotlen %u slotcnt %u", sep,
312 	    ts->tdma_slotlen, ts->tdma_slotcnt);
313 	db_printf(" inuse 0x%x active 0x%x count %d\n",
314 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
315 	if (showprocs) {
316 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
317 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
318 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
319 	}
320 }
321 #endif /* IEEE80211_SUPPORT_TDMA */
322 
323 static void
324 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
325 {
326 	const struct ieee80211com *ic = vap->iv_ic;
327 	int i;
328 
329 	db_printf("%p:", vap);
330 	db_printf(" bss %p", vap->iv_bss);
331 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
332 	db_printf("\n");
333 
334 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
335 #ifdef IEEE80211_SUPPORT_MESH
336 	if (vap->iv_opmode == IEEE80211_M_MBSS)
337 		db_printf("(%p)", vap->iv_mesh);
338 #endif
339 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
340 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
341 	db_printf("\n");
342 
343 	db_printf("\tic %p", vap->iv_ic);
344 	db_printf(" media %p", &vap->iv_media);
345 	db_printf(" bpf_if %p", vap->iv_rawbpf);
346 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
347 #if 0
348 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
349 #endif
350 	db_printf("\n");
351 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
352 
353 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
354 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
355 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
356 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
357 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
358 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
359 
360 	_db_show_stats(&vap->iv_stats);
361 
362 	db_printf("\tinact_init %d", vap->iv_inact_init);
363 	db_printf(" inact_auth %d", vap->iv_inact_auth);
364 	db_printf(" inact_run %d", vap->iv_inact_run);
365 	db_printf(" inact_probe %d", vap->iv_inact_probe);
366 	db_printf("\n");
367 
368 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
369 	if (vap->iv_des_nssid)
370 		_db_show_ssid(" des_ssid[%u] ", 0,
371 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
372 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
373 	db_printf("\n");
374 	db_printf("\tdes_mode %d", vap->iv_des_mode);
375 	_db_show_channel(" des_chan", vap->iv_des_chan);
376 	db_printf("\n");
377 #if 0
378 	int			iv_nicknamelen;	/* XXX junk */
379 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
380 #endif
381 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
382 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
383 	db_printf(" scanvalid %u", vap->iv_scanvalid);
384 	db_printf("\n");
385 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
386 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
387 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
388 	db_printf("\n");
389 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
390 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
391 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
392 		_db_show_ssid(" scanreq_ssid[%u]", i,
393 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
394 	db_printf(" roaming %d", vap->iv_roaming);
395 	db_printf("\n");
396 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
397 		if (isset(ic->ic_modecaps, i)) {
398 			_db_show_roamparams("\troamparms[%s]",
399 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
400 			db_printf("\n");
401 		}
402 
403 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
404 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
405 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
406 	db_printf("\n");
407 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
408 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
409 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
410 	db_printf("\n");
411 
412 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
413 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
414 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
415 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
416 	db_printf("\n");
417 
418 	db_printf("\tmax_aid %u", vap->iv_max_aid);
419 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
420 	db_printf("\n");
421 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
422 	db_printf(" ps_sta %u", vap->iv_ps_sta);
423 	db_printf(" ps_pending %u", vap->iv_ps_pending);
424 	db_printf(" tim_len %u", vap->iv_tim_len);
425 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
426 	db_printf("\n");
427 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
428 	db_printf(" dtim_count %u", vap->iv_dtim_count);
429 	db_printf(" set_tim %p", vap->iv_set_tim);
430 	db_printf(" csa_count %d", vap->iv_csa_count);
431 	db_printf("\n");
432 
433 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
434 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
435 	db_printf(" inact_timer %d", vap->iv_inact_timer);
436 	db_printf("\n");
437 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
438 		if (isset(ic->ic_modecaps, i)) {
439 			_db_show_txparams("\ttxparms[%s]",
440 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
441 			db_printf("\n");
442 		}
443 
444 	/* application-specified IE's to attach to mgt frames */
445 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
446 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
447 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
448 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
449 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
450 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
451 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
452 		if (vap->iv_wpa_ie != NULL)
453 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
454 		if (vap->iv_rsn_ie != NULL)
455 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
456 		db_printf("\n");
457 	}
458 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
459 	db_printf(" def_txkey %d", vap->iv_def_txkey);
460 	db_printf("\n");
461 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
462 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
463 
464 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
465 	db_printf(" ec %p", vap->iv_ec);
466 
467 	db_printf(" acl %p", vap->iv_acl);
468 	db_printf(" as %p", vap->iv_as);
469 	db_printf("\n");
470 #ifdef IEEE80211_SUPPORT_MESH
471 	if (showmesh && vap->iv_mesh != NULL)
472 		_db_show_mesh(vap->iv_mesh);
473 #endif
474 #ifdef IEEE80211_SUPPORT_TDMA
475 	if (vap->iv_tdma != NULL)
476 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
477 #endif /* IEEE80211_SUPPORT_TDMA */
478 	if (showprocs) {
479 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
480 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
481 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
482 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
483 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
484 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
485 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
486 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
487 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
488 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
489 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
490 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
491 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
492 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
493 	}
494 }
495 
496 static void
497 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
498     int showmesh, int showprocs)
499 {
500 	struct ieee80211vap *vap;
501 
502 	db_printf("%p:", ic);
503 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
504 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
505 	db_printf("\n");
506 	db_printf("\tsoftc %p", ic->ic_softc);
507 	db_printf("\tname %s", ic->ic_name);
508 	db_printf(" comlock %p", &ic->ic_comlock);
509 	db_printf(" txlock %p", &ic->ic_txlock);
510 	db_printf(" fflock %p", &ic->ic_fflock);
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(" inact %p", &ic->ic_inact);
517 	db_printf("\n");
518 
519 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
520 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
521 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
522 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
523 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
524 	db_printf("\tcryptocaps=%b\n",
525 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
526 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
527 
528 #if 0
529 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
530 #endif
531 	db_printf("\tcurmode %u", ic->ic_curmode);
532 	db_printf(" promisc %u", ic->ic_promisc);
533 	db_printf(" allmulti %u", ic->ic_allmulti);
534 	db_printf(" nrunning %u", ic->ic_nrunning);
535 	db_printf("\n");
536 	db_printf("\tbintval %u", ic->ic_bintval);
537 	db_printf(" lintval %u", ic->ic_lintval);
538 	db_printf(" holdover %u", ic->ic_holdover);
539 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
540 	db_printf("\n");
541 #if 0
542 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
543 #endif
544 	/*
545 	 * Channel state:
546 	 *
547 	 * ic_channels is the set of available channels for the device;
548 	 *    it is setup by the driver
549 	 * ic_nchans is the number of valid entries in ic_channels
550 	 * ic_chan_avail is a bit vector of these channels used to check
551 	 *    whether a channel is available w/o searching the channel table.
552 	 * ic_chan_active is a (potentially) constrained subset of
553 	 *    ic_chan_avail that reflects any mode setting or user-specified
554 	 *    limit on the set of channels to use/scan
555 	 * ic_curchan is the current channel the device is set to; it may
556 	 *    be different from ic_bsschan when we are off-channel scanning
557 	 *    or otherwise doing background work
558 	 * ic_bsschan is the channel selected for operation; it may
559 	 *    be undefined (IEEE80211_CHAN_ANYC)
560 	 * ic_prevchan is a cached ``previous channel'' used to optimize
561 	 *    lookups when switching back+forth between two channels
562 	 *    (e.g. for dynamic turbo)
563 	 */
564 	db_printf("\tnchans %d", ic->ic_nchans);
565 #if 0
566 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
567 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
568 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
569 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
570 #endif
571 	db_printf("\n");
572 	_db_show_channel("\tcurchan", ic->ic_curchan);
573 	db_printf("\n");
574 	_db_show_channel("\tbsschan", ic->ic_bsschan);
575 	db_printf("\n");
576 	_db_show_channel("\tprevchan", ic->ic_prevchan);
577 	db_printf("\n");
578 	db_printf("\tregdomain %p", &ic->ic_regdomain);
579 	db_printf("\n");
580 
581 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
582 	db_printf(" csa_count %d", ic->ic_csa_count);
583 	db_printf( "dfs %p", &ic->ic_dfs);
584 	db_printf("\n");
585 
586 	db_printf("\tscan %p", ic->ic_scan);
587 	db_printf(" lastdata %d", ic->ic_lastdata);
588 	db_printf(" lastscan %d", ic->ic_lastscan);
589 	db_printf("\n");
590 
591 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
592 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
593 	db_printf(" wme %p", &ic->ic_wme);
594 	if (!showsta)
595 		db_printf(" sta %p", &ic->ic_sta);
596 	db_printf("\n");
597 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
598 	_db_show_ageq("\t", &ic->ic_stageq);
599 	if (showsta)
600 		_db_show_node_table("\t", &ic->ic_sta);
601 
602 	db_printf("\tprotmode %d", ic->ic_protmode);
603 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
604 	db_printf(" longslotsta %u", ic->ic_longslotsta);
605 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
606 	db_printf("\n");
607 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
608 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
609 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
610 	db_printf("\n");
611 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
612 	db_printf(" htprotmode %d", ic->ic_htprotmode);
613 	db_printf(" lastnonht %d", ic->ic_lastnonht);
614 	db_printf("\n");
615 
616 	db_printf("\tsuperg %p\n", ic->ic_superg);
617 
618 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
619 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
620 
621 	if (showprocs) {
622 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
623 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
624 #if 0
625 		/* operating mode attachment */
626 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
627 #endif
628 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
629 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
630 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
631 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
632 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
633 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
634 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
635 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
636 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
637 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
638 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
639 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
640 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
641 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
642 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
643 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
644 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
645 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
646 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
647 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
648 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
649 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
650 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
651 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
652 	}
653 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
654 		db_printf("\n");
655 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
656 			_db_show_vap(vap, showmesh, showprocs);
657 	}
658 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
659 		const struct ieee80211_node_table *nt = &ic->ic_sta;
660 		const struct ieee80211_node *ni;
661 
662 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
663 			db_printf("\n");
664 			_db_show_sta(ni);
665 		}
666 	}
667 }
668 
669 static void
670 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
671 {
672 	int showall = *(int *)arg;
673 
674 	if (!showall) {
675 		const struct ieee80211vap *vap;
676 		db_printf("%s: com %p vaps:", ic->ic_name, ic);
677 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
678 			db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
679 		db_printf("\n");
680 	} else
681 		_db_show_com(ic, 1, 1, 1, 1);
682 }
683 
684 static void
685 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
686 {
687 	int i;
688 
689 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
690 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
691 	db_printf(" inact_init %d", nt->nt_inact_init);
692 	db_printf("%s keyixmax %d keyixmap %p\n",
693 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
694 	for (i = 0; i < nt->nt_keyixmax; i++) {
695 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
696 		if (ni != NULL)
697 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
698 			    ether_sprintf(ni->ni_macaddr));
699 	}
700 }
701 
702 static void
703 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
704 {
705 	db_printf("%s ", tag);
706 	if (c == NULL)
707 		db_printf("<NULL>");
708 	else if (c == IEEE80211_CHAN_ANYC)
709 		db_printf("<ANY>");
710 	else
711 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
712 		    c->ic_freq, c->ic_ieee,
713 		    c->ic_flags, IEEE80211_CHAN_BITS,
714 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
715 		    c->ic_state, c->ic_extieee);
716 }
717 
718 static void
719 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
720 {
721 	const uint8_t *p;
722 	int i;
723 
724 	db_printf(tag, ix);
725 
726 	if (len > IEEE80211_NWID_LEN)
727 		len = IEEE80211_NWID_LEN;
728 	/* determine printable or not */
729 	for (i = 0, p = ssid; i < len; i++, p++) {
730 		if (*p < ' ' || *p > 0x7e)
731 			break;
732 	}
733 	if (i == len) {
734 		db_printf("\"");
735 		for (i = 0, p = ssid; i < len; i++, p++)
736 			db_printf("%c", *p);
737 		db_printf("\"");
738 	} else {
739 		db_printf("0x");
740 		for (i = 0, p = ssid; i < len; i++, p++)
741 			db_printf("%02x", *p);
742 	}
743 }
744 
745 static void
746 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
747 {
748 	const uint8_t *p;
749 	int i;
750 
751 	if (ie == NULL)
752 		return;
753 	db_printf("%s [0x", tag);
754 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
755 		db_printf("%02x", *p);
756 	db_printf("]\n");
757 }
758 
759 static void
760 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
761 {
762 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
763 	const struct ieee80211_cipher *cip = wk->wk_cipher;
764 	int keylen = wk->wk_keylen;
765 
766 	db_printf(tag, ix);
767 	switch (cip->ic_cipher) {
768 	case IEEE80211_CIPHER_WEP:
769 		/* compatibility */
770 		db_printf(" wepkey %u:%s", wk->wk_keyix,
771 		    keylen <= 5 ? "40-bit" :
772 		    keylen <= 13 ? "104-bit" : "128-bit");
773 		break;
774 	case IEEE80211_CIPHER_TKIP:
775 		if (keylen > 128/8)
776 			keylen -= 128/8;	/* ignore MIC for now */
777 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
778 		break;
779 	case IEEE80211_CIPHER_AES_OCB:
780 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
781 		break;
782 	case IEEE80211_CIPHER_AES_CCM:
783 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
784 		break;
785 	case IEEE80211_CIPHER_CKIP:
786 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
787 		break;
788 	case IEEE80211_CIPHER_NONE:
789 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
790 		break;
791 	default:
792 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
793 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
794 		break;
795 	}
796 	if (wk->wk_rxkeyix != wk->wk_keyix)
797 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
798 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
799 		int i;
800 
801 		db_printf(" <");
802 		for (i = 0; i < keylen; i++)
803 			db_printf("%02x", wk->wk_key[i]);
804 		db_printf(">");
805 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
806 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
807 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
808 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
809 		    wk->wk_keytsc != 0)
810 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
811 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
812 	}
813 	db_printf("\n");
814 }
815 
816 static void
817 printrate(const char *tag, int v)
818 {
819 	if (v == IEEE80211_FIXED_RATE_NONE)
820 		db_printf(" %s <none>", tag);
821 	else if (v == 11)
822 		db_printf(" %s 5.5", tag);
823 	else if (v & IEEE80211_RATE_MCS)
824 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
825 	else
826 		db_printf(" %s %d", tag, v/2);
827 }
828 
829 static void
830 _db_show_roamparams(const char *tag, const void *arg,
831     const struct ieee80211_roamparam *rp)
832 {
833 
834 	db_printf(tag, arg);
835 	if (rp->rssi & 1)
836 		db_printf(" rssi %u.5", rp->rssi/2);
837 	else
838 		db_printf(" rssi %u", rp->rssi/2);
839 	printrate("rate", rp->rate);
840 }
841 
842 static void
843 _db_show_txparams(const char *tag, const void *arg,
844     const struct ieee80211_txparam *tp)
845 {
846 
847 	db_printf(tag, arg);
848 	printrate("ucastrate", tp->ucastrate);
849 	printrate("mcastrate", tp->mcastrate);
850 	printrate("mgmtrate", tp->mgmtrate);
851 	db_printf(" maxretry %d", tp->maxretry);
852 }
853 
854 static void
855 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
856 {
857 	const struct mbuf *m;
858 
859 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
860 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
861 	    q->aq_head, q->aq_tail);
862 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
863 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
864 		    /* XXX could be either TX or RX but is mostly TX */
865 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
866 }
867 
868 static void
869 _db_show_stats(const struct ieee80211_stats *is)
870 {
871 }
872 
873 #ifdef IEEE80211_SUPPORT_MESH
874 static void
875 _db_show_mesh(const struct ieee80211_mesh_state *ms)
876 {
877 	struct ieee80211_mesh_route *rt;
878 	int i;
879 
880 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
881 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
882 	    ms->ms_ttl, ms->ms_flags);
883 	db_printf("routing table:\n");
884 	i = 0;
885 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
886 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
887 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
888 
889 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
890 		    ieee80211_mesh_rt_update(rt, 0),
891 		    rt->rt_lastmseq, rt->rt_priv);
892 		i++;
893 	}
894 }
895 #endif /* IEEE80211_SUPPORT_MESH */
896 #endif /* DDB */
897