xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
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 	struct mbuf *m;
211 	int i;
212 
213 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
214 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
215 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
216 		sep, rap->rxa_qbytes, rap->rxa_qframes,
217 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
218 	db_printf("%s  age %d nframes %d\n", sep,
219 		rap->rxa_age, rap->rxa_nframes);
220 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
221 		if (mbufq_len(&rap->rxa_mq[i]) > 0) {
222 			db_printf("%s  m[%2u:%4u] ", sep, i,
223 			    IEEE80211_SEQ_ADD(rap->rxa_start, i));
224 			STAILQ_FOREACH(m, &rap->rxa_mq[i].mq_head,
225 			    m_stailqpkt) {
226 				db_printf(" %p", m);
227 			}
228 			db_printf("\n");
229 		}
230 }
231 
232 static void
233 _db_show_sta(const struct ieee80211_node *ni)
234 {
235 	int i;
236 
237 	db_printf("STA: %p: mac %s refcnt %d\n", ni,
238 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
239 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
240 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
241 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
242 	db_printf("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
243 		ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
244 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
245 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
246 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
247 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
248 		ni->ni_challenge);
249 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
250 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
251 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
252 		ni->ni_ies.ath_ie);
253 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
254 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
255 	db_printf("\t vhtcap_ie %p vhtopmode_ie %p vhtpwrenv_ie %p]\n",
256 		ni->ni_ies.vhtcap_ie, ni->ni_ies.vhtopmode_ie,
257 		ni->ni_ies.vhtpwrenv_ie);
258 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
259 		for (i = 0; i < WME_NUM_TID; i++) {
260 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
261 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
262 				    i, ni->ni_txseqs[i],
263 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
264 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
265 		}
266 	}
267 
268 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
269 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
270 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
271 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
272 		ni->ni_rxfragstamp);
273 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
274 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
275 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
276 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
277 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
278 		ni->ni_noise);
279 	db_printf("\tintval %u capinfo %b\n",
280 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
281 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
282 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
283 	db_printf("\n");
284 	_db_show_channel("\tchannel", ni->ni_chan);
285 	db_printf("\n");
286 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
287 		ni->ni_erp, IEEE80211_ERP_BITS,
288 		ni->ni_dtim_period, ni->ni_dtim_count);
289 
290 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
291 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
292 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
293 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
294 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
295 
296 	/* XXX ampdu state */
297 	for (i = 0; i < WME_NUM_TID; i++)
298 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
299 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
300 	for (i = 0; i < WME_NUM_TID; i++)
301 		if (ni->ni_rx_ampdu[i].rxa_flags)
302 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
303 
304 	db_printf("\tinact %u inact_reload %u txrate %u\n",
305 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
306 #ifdef IEEE80211_SUPPORT_MESH
307 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
308 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
309 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
310 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
311 #endif
312 
313 	/* VHT state */
314 	db_printf("\tvhtcap %b vht_basicmcs %#06x vht_pad2 %#06x\n",
315 	    ni->ni_vhtcap, IEEE80211_VHTCAP_BITS,
316 	    ni->ni_vht_basicmcs, ni->ni_vht_pad2);
317 	db_printf("\tvht_mcsinfo: { rx_mcs_map %#06x rx_highest %#06x "
318 	    "tx_mcs_map %#06x tx_highest %#06x }\n",
319 	    ni->ni_vht_mcsinfo.rx_mcs_map, ni->ni_vht_mcsinfo.rx_highest,
320 	    ni->ni_vht_mcsinfo.tx_mcs_map, ni->ni_vht_mcsinfo.tx_highest);
321 	db_printf("\tvht_chan1/chan2 %u/%u vht_chanwidth %#04x\n",
322 	    ni->ni_vht_chan1, ni->ni_vht_chan2, ni->ni_vht_chanwidth);
323 	db_printf("\tvht_pad1 %#04x vht_spare { %#x %#x %#x %#x %#x %#x %#x %#x }\n",
324 	    ni->ni_vht_pad1, ni->ni_vht_spare[0], ni->ni_vht_spare[1],
325 	    ni->ni_vht_spare[2], ni->ni_vht_spare[3], ni->ni_vht_spare[4],
326 	    ni->ni_vht_spare[5], ni->ni_vht_spare[6], ni->ni_vht_spare[7]);
327 }
328 
329 #ifdef IEEE80211_SUPPORT_TDMA
330 static void
331 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
332 {
333 	db_printf("%stdma %p:\n", sep, ts);
334 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
335 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
336 	db_printf("%s  slotlen %u slotcnt %u", sep,
337 	    ts->tdma_slotlen, ts->tdma_slotcnt);
338 	db_printf(" inuse 0x%x active 0x%x count %d\n",
339 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
340 	if (showprocs) {
341 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
342 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
343 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
344 	}
345 }
346 #endif /* IEEE80211_SUPPORT_TDMA */
347 
348 static void
349 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
350 {
351 	const struct ieee80211com *ic = vap->iv_ic;
352 	int i;
353 
354 	db_printf("VAP %p:", vap);
355 	db_printf(" bss %p", vap->iv_bss);
356 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
357 	db_printf("\n");
358 
359 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
360 #ifdef IEEE80211_SUPPORT_MESH
361 	if (vap->iv_opmode == IEEE80211_M_MBSS)
362 		db_printf("(%p)", vap->iv_mesh);
363 #endif
364 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
365 	db_printf(" ifp %p(%s)", vap->iv_ifp, if_name(vap->iv_ifp));
366 	db_printf("\n");
367 
368 	db_printf("\tic %p", vap->iv_ic);
369 	db_printf(" media %p", &vap->iv_media);
370 	db_printf(" bpf_if %p", vap->iv_rawbpf);
371 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
372 #if 0
373 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
374 #endif
375 	db_printf("\n");
376 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
377 
378 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
379 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
380 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
381 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
382 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
383 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
384 	db_printf("\tvhtcaps=%b\n", vap->iv_vhtcaps, IEEE80211_VHTCAP_BITS);
385 
386 	_db_show_stats(&vap->iv_stats);
387 
388 	db_printf("\tinact_init %d", vap->iv_inact_init);
389 	db_printf(" inact_auth %d", vap->iv_inact_auth);
390 	db_printf(" inact_run %d", vap->iv_inact_run);
391 	db_printf(" inact_probe %d", vap->iv_inact_probe);
392 	db_printf("\n");
393 
394 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
395 	if (vap->iv_des_nssid)
396 		_db_show_ssid(" des_ssid[%u] ", 0,
397 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
398 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
399 	db_printf("\n");
400 	db_printf("\tdes_mode %d", vap->iv_des_mode);
401 	_db_show_channel(" des_chan", vap->iv_des_chan);
402 	db_printf("\n");
403 #if 0
404 	int			iv_nicknamelen;	/* XXX junk */
405 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
406 #endif
407 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
408 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
409 	db_printf(" scanvalid %u", vap->iv_scanvalid);
410 	db_printf("\n");
411 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
412 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
413 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
414 	db_printf("\n");
415 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
416 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
417 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
418 		_db_show_ssid(" scanreq_ssid[%u]", i,
419 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
420 	db_printf(" roaming %d", vap->iv_roaming);
421 	db_printf("\n");
422 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
423 		if (isset(ic->ic_modecaps, i)) {
424 			_db_show_roamparams("\troamparms[%s]",
425 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
426 			db_printf("\n");
427 		}
428 
429 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
430 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
431 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
432 	db_printf("\n");
433 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
434 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
435 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
436 	db_printf("\n");
437 
438 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
439 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
440 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
441 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
442 	db_printf("\n");
443 
444 	db_printf("\tmax_aid %u", vap->iv_max_aid);
445 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
446 	db_printf("\n");
447 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
448 	db_printf(" ps_sta %u", vap->iv_ps_sta);
449 	db_printf(" ps_pending %u", vap->iv_ps_pending);
450 	db_printf(" tim_len %u", vap->iv_tim_len);
451 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
452 	db_printf("\n");
453 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
454 	db_printf(" dtim_count %u", vap->iv_dtim_count);
455 	db_printf(" set_tim %p", vap->iv_set_tim);
456 	db_printf(" csa_count %d", vap->iv_csa_count);
457 	db_printf("\n");
458 
459 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
460 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
461 	db_printf(" inact_timer %d", vap->iv_inact_timer);
462 	db_printf("\n");
463 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
464 		if (isset(ic->ic_modecaps, i)) {
465 			_db_show_txparams("\ttxparms[%s]",
466 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
467 			db_printf("\n");
468 		}
469 
470 	/* application-specified IE's to attach to mgt frames */
471 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
472 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
473 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
474 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
475 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
476 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
477 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
478 		if (vap->iv_wpa_ie != NULL)
479 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
480 		if (vap->iv_rsn_ie != NULL)
481 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
482 		db_printf("\n");
483 	}
484 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
485 	db_printf(" def_txkey %d", vap->iv_def_txkey);
486 	db_printf("\n");
487 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
488 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
489 
490 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
491 	db_printf(" ec %p", vap->iv_ec);
492 
493 	db_printf(" acl %p", vap->iv_acl);
494 	db_printf(" as %p", vap->iv_as);
495 	db_printf("\n");
496 #ifdef IEEE80211_SUPPORT_MESH
497 	if (showmesh && vap->iv_mesh != NULL)
498 		_db_show_mesh(vap->iv_mesh);
499 #endif
500 #ifdef IEEE80211_SUPPORT_TDMA
501 	if (vap->iv_tdma != NULL)
502 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
503 #endif /* IEEE80211_SUPPORT_TDMA */
504 
505 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
506 	db_printf(" ht_sta_assoc %u", vap->iv_ht_sta_assoc);
507 	db_printf(" ht40_sta_assoc %u", vap->iv_ht40_sta_assoc);
508 	db_printf("\n");
509 	db_printf(" nonerpsta %u", vap->iv_nonerpsta);
510 	db_printf(" longslotsta %u", vap->iv_longslotsta);
511 	db_printf(" lastnonerp %d", vap->iv_lastnonerp);
512 	db_printf(" lastnonht %d", vap->iv_lastnonht);
513 	db_printf("\n");
514 
515 	if (showprocs) {
516 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
517 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
518 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
519 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
520 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
521 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
522 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
523 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
524 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
525 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
526 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
527 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
528 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
529 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
530 	}
531 }
532 
533 static void
534 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
535     int showmesh, int showprocs)
536 {
537 	struct ieee80211vap *vap;
538 
539 	db_printf("COM: %p:", ic);
540 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
541 		db_printf(" %s(%p)", if_name(vap->iv_ifp), vap);
542 	db_printf("\n");
543 	db_printf("\tsoftc %p", ic->ic_softc);
544 	db_printf("\tname %s", ic->ic_name);
545 	db_printf(" comlock %p", &ic->ic_comlock);
546 	db_printf(" txlock %p", &ic->ic_txlock);
547 	db_printf(" fflock %p", &ic->ic_fflock);
548 	db_printf("\n");
549 	db_printf("\theadroom %d", ic->ic_headroom);
550 	db_printf(" phytype %d", ic->ic_phytype);
551 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
552 	db_printf("\n");
553 	db_printf(" inact %p", &ic->ic_inact);
554 	db_printf("\n");
555 
556 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
557 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
558 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
559 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
560 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
561 	db_printf("\tcryptocaps=%b\n",
562 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
563 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
564 	db_printf("\tvhtcaps=%b\n", ic->ic_vhtcaps, IEEE80211_VHTCAP_BITS);
565 
566 #if 0
567 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
568 #endif
569 	db_printf("\tcurmode %u", ic->ic_curmode);
570 	db_printf(" promisc %u", ic->ic_promisc);
571 	db_printf(" allmulti %u", ic->ic_allmulti);
572 	db_printf(" nrunning %u", ic->ic_nrunning);
573 	db_printf("\n");
574 	db_printf("\tbintval %u", ic->ic_bintval);
575 	db_printf(" lintval %u", ic->ic_lintval);
576 	db_printf(" holdover %u", ic->ic_holdover);
577 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
578 	db_printf("\n");
579 #if 0
580 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
581 #endif
582 	/*
583 	 * Channel state:
584 	 *
585 	 * ic_channels is the set of available channels for the device;
586 	 *    it is setup by the driver
587 	 * ic_nchans is the number of valid entries in ic_channels
588 	 * ic_chan_avail is a bit vector of these channels used to check
589 	 *    whether a channel is available w/o searching the channel table.
590 	 * ic_chan_active is a (potentially) constrained subset of
591 	 *    ic_chan_avail that reflects any mode setting or user-specified
592 	 *    limit on the set of channels to use/scan
593 	 * ic_curchan is the current channel the device is set to; it may
594 	 *    be different from ic_bsschan when we are off-channel scanning
595 	 *    or otherwise doing background work
596 	 * ic_bsschan is the channel selected for operation; it may
597 	 *    be undefined (IEEE80211_CHAN_ANYC)
598 	 * ic_prevchan is a cached ``previous channel'' used to optimize
599 	 *    lookups when switching back+forth between two channels
600 	 *    (e.g. for dynamic turbo)
601 	 */
602 	db_printf("\tnchans %d", ic->ic_nchans);
603 #if 0
604 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
605 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
606 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
607 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
608 #endif
609 	db_printf("\n");
610 	_db_show_channel("\tcurchan", ic->ic_curchan);
611 	db_printf("\n");
612 	_db_show_channel("\tbsschan", ic->ic_bsschan);
613 	db_printf("\n");
614 	_db_show_channel("\tprevchan", ic->ic_prevchan);
615 	db_printf("\n");
616 	db_printf("\tregdomain %p", &ic->ic_regdomain);
617 	db_printf("\n");
618 
619 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
620 	db_printf(" csa_count %d", ic->ic_csa_count);
621 	db_printf( "dfs %p", &ic->ic_dfs);
622 	db_printf("\n");
623 
624 	db_printf("\tscan %p", ic->ic_scan);
625 	db_printf(" lastdata %d", ic->ic_lastdata);
626 	db_printf(" lastscan %d", ic->ic_lastscan);
627 	db_printf("\n");
628 
629 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
630 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
631 	db_printf(" wme %p", &ic->ic_wme);
632 	if (!showsta)
633 		db_printf(" sta %p", &ic->ic_sta);
634 	db_printf("\n");
635 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
636 	_db_show_ageq("\t", &ic->ic_stageq);
637 	if (showsta)
638 		_db_show_node_table("\t", &ic->ic_sta);
639 
640 	db_printf("\tprotmode %d", ic->ic_protmode);
641 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
642 	db_printf(" htprotmode %d", ic->ic_htprotmode);
643 	db_printf("\n");
644 
645 	db_printf("\tsuperg %p\n", ic->ic_superg);
646 
647 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
648 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
649 
650 	if (showprocs) {
651 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
652 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
653 #if 0
654 		/* operating mode attachment */
655 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
656 #endif
657 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
658 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
659 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
660 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
661 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
662 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
663 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
664 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
665 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
666 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
667 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
668 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
669 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
670 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
671 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
672 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
673 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
674 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
675 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
676 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
677 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
678 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
679 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
680 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
681 	}
682 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
683 		db_printf("\n");
684 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
685 			_db_show_vap(vap, showmesh, showprocs);
686 	}
687 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
688 		const struct ieee80211_node_table *nt = &ic->ic_sta;
689 		const struct ieee80211_node *ni;
690 
691 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
692 			db_printf("\n");
693 			_db_show_sta(ni);
694 		}
695 	}
696 }
697 
698 static void
699 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
700 {
701 	int showall = *(int *)arg;
702 
703 	if (!showall) {
704 		const struct ieee80211vap *vap;
705 		db_printf("%s: com %p vaps:", ic->ic_name, ic);
706 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
707 			db_printf(" %s(%p)", if_name(vap->iv_ifp), vap);
708 		db_printf("\n");
709 	} else
710 		_db_show_com(ic, 1, 1, 1, 1);
711 }
712 
713 static void
714 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
715 {
716 	int i;
717 
718 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
719 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
720 	db_printf(" inact_init %d", nt->nt_inact_init);
721 	db_printf("%s keyixmax %d keyixmap %p\n",
722 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
723 	for (i = 0; i < nt->nt_keyixmax; i++) {
724 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
725 		if (ni != NULL)
726 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
727 			    ether_sprintf(ni->ni_macaddr));
728 	}
729 }
730 
731 static void
732 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
733 {
734 	db_printf("%s ", tag);
735 	if (c == NULL)
736 		db_printf("<NULL>");
737 	else if (c == IEEE80211_CHAN_ANYC)
738 		db_printf("<ANY>");
739 	else
740 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
741 		    c->ic_freq, c->ic_ieee,
742 		    c->ic_flags, IEEE80211_CHAN_BITS,
743 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
744 		    c->ic_state, c->ic_extieee);
745 }
746 
747 static void
748 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
749 {
750 	const uint8_t *p;
751 	int i;
752 
753 	db_printf(tag, ix);
754 
755 	if (len > IEEE80211_NWID_LEN)
756 		len = IEEE80211_NWID_LEN;
757 	/* determine printable or not */
758 	for (i = 0, p = ssid; i < len; i++, p++) {
759 		if (*p < ' ' || *p > 0x7e)
760 			break;
761 	}
762 	if (i == len) {
763 		db_printf("\"");
764 		for (i = 0, p = ssid; i < len; i++, p++)
765 			db_printf("%c", *p);
766 		db_printf("\"");
767 	} else {
768 		db_printf("0x");
769 		for (i = 0, p = ssid; i < len; i++, p++)
770 			db_printf("%02x", *p);
771 	}
772 }
773 
774 static void
775 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
776 {
777 	const uint8_t *p;
778 	int i;
779 
780 	if (ie == NULL)
781 		return;
782 	db_printf("%s [0x", tag);
783 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
784 		db_printf("%02x", *p);
785 	db_printf("]\n");
786 }
787 
788 static void
789 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
790 {
791 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
792 	const struct ieee80211_cipher *cip = wk->wk_cipher;
793 	int keylen = wk->wk_keylen;
794 
795 	db_printf(tag, ix);
796 	switch (cip->ic_cipher) {
797 	case IEEE80211_CIPHER_WEP:
798 		/* compatibility */
799 		db_printf(" wepkey %u:%s", wk->wk_keyix,
800 		    keylen <= 5 ? "40-bit" :
801 		    keylen <= 13 ? "104-bit" : "128-bit");
802 		break;
803 	case IEEE80211_CIPHER_TKIP:
804 		if (keylen > 128/8)
805 			keylen -= 128/8;	/* ignore MIC for now */
806 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
807 		break;
808 	case IEEE80211_CIPHER_AES_OCB:
809 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
810 		break;
811 	case IEEE80211_CIPHER_AES_CCM:
812 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
813 		break;
814 	case IEEE80211_CIPHER_CKIP:
815 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
816 		break;
817 	case IEEE80211_CIPHER_NONE:
818 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
819 		break;
820 	default:
821 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
822 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
823 		break;
824 	}
825 	if (wk->wk_rxkeyix != wk->wk_keyix)
826 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
827 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
828 		int i;
829 
830 		db_printf(" <");
831 		for (i = 0; i < keylen; i++)
832 			db_printf("%02x", wk->wk_key[i]);
833 		db_printf(">");
834 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
835 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
836 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
837 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
838 		    wk->wk_keytsc != 0)
839 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
840 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
841 	}
842 	db_printf("\n");
843 }
844 
845 static void
846 printrate(const char *tag, int v)
847 {
848 	if (v == IEEE80211_FIXED_RATE_NONE)
849 		db_printf(" %s <none>", tag);
850 	else if (v == 11)
851 		db_printf(" %s 5.5", tag);
852 	else if (v & IEEE80211_RATE_MCS)
853 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
854 	else
855 		db_printf(" %s %d", tag, v/2);
856 }
857 
858 static void
859 _db_show_roamparams(const char *tag, const void *arg,
860     const struct ieee80211_roamparam *rp)
861 {
862 
863 	db_printf(tag, arg);
864 	if (rp->rssi & 1)
865 		db_printf(" rssi %u.5", rp->rssi/2);
866 	else
867 		db_printf(" rssi %u", rp->rssi/2);
868 	printrate("rate", rp->rate);
869 }
870 
871 static void
872 _db_show_txparams(const char *tag, const void *arg,
873     const struct ieee80211_txparam *tp)
874 {
875 
876 	db_printf(tag, arg);
877 	printrate("ucastrate", tp->ucastrate);
878 	printrate("mcastrate", tp->mcastrate);
879 	printrate("mgmtrate", tp->mgmtrate);
880 	db_printf(" maxretry %d", tp->maxretry);
881 }
882 
883 static void
884 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
885 {
886 	const struct mbuf *m;
887 
888 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
889 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
890 	    q->aq_head, q->aq_tail);
891 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
892 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
893 		    /* XXX could be either TX or RX but is mostly TX */
894 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
895 }
896 
897 static void
898 _db_show_stats(const struct ieee80211_stats *is)
899 {
900 }
901 
902 #ifdef IEEE80211_SUPPORT_MESH
903 static void
904 _db_show_mesh(const struct ieee80211_mesh_state *ms)
905 {
906 	struct ieee80211_mesh_route *rt;
907 	int i;
908 
909 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
910 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
911 	    ms->ms_ttl, ms->ms_flags);
912 	db_printf("routing table:\n");
913 	i = 0;
914 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
915 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
916 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
917 
918 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
919 		    ieee80211_mesh_rt_update(rt, 0),
920 		    rt->rt_lastmseq, rt->rt_priv);
921 		i++;
922 	}
923 }
924 #endif /* IEEE80211_SUPPORT_MESH */
925 #endif /* DDB */
926