xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
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 __FBSDID("$FreeBSD$");
30 
31 #include "opt_ddb.h"
32 #include "opt_wlan.h"
33 
34 #ifdef DDB
35 /*
36  * IEEE 802.11 DDB support
37  */
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/socket.h>
43 
44 #include <net/if.h>
45 #include <net/if_var.h>
46 #include <net/if_dl.h>
47 #include <net/if_media.h>
48 #include <net/if_types.h>
49 #include <net/ethernet.h>
50 #include <net/vnet.h>
51 
52 #include <net80211/ieee80211_var.h>
53 #ifdef IEEE80211_SUPPORT_TDMA
54 #include <net80211/ieee80211_tdma.h>
55 #endif
56 #ifdef IEEE80211_SUPPORT_MESH
57 #include <net80211/ieee80211_mesh.h>
58 #endif
59 
60 #include <ddb/ddb.h>
61 #include <ddb/db_sym.h>
62 
63 #define DB_PRINTSYM(prefix, name, addr) do { \
64 	db_printf("%s%-25s : ",  prefix, name); \
65 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
66 	db_printf("\n"); \
67 } while (0)
68 
69 static void _db_show_sta(const struct ieee80211_node *);
70 static void _db_show_vap(const struct ieee80211vap *, int, int);
71 static void _db_show_com(const struct ieee80211com *,
72 	int showvaps, int showsta, int showmesh, int showprocs);
73 
74 static void _db_show_all_vaps(void *, struct ieee80211com *);
75 
76 static void _db_show_node_table(const char *tag,
77 	const struct ieee80211_node_table *);
78 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
79 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
80 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
81 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
82 static void _db_show_roamparams(const char *tag, const void *arg,
83 	const struct ieee80211_roamparam *rp);
84 static void _db_show_txparams(const char *tag, const void *arg,
85 	const struct ieee80211_txparam *tp);
86 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
87 static void _db_show_stats(const struct ieee80211_stats *);
88 #ifdef IEEE80211_SUPPORT_MESH
89 static void _db_show_mesh(const struct ieee80211_mesh_state *);
90 #endif
91 
92 DB_SHOW_COMMAND(sta, db_show_sta)
93 {
94 	if (!have_addr) {
95 		db_printf("usage: show sta <addr>\n");
96 		return;
97 	}
98 	_db_show_sta((const struct ieee80211_node *) addr);
99 }
100 
101 DB_SHOW_COMMAND(statab, db_show_statab)
102 {
103 	if (!have_addr) {
104 		db_printf("usage: show statab <addr>\n");
105 		return;
106 	}
107 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
108 }
109 
110 DB_SHOW_COMMAND(vap, db_show_vap)
111 {
112 	int i, showmesh = 0, showprocs = 0;
113 
114 	if (!have_addr) {
115 		db_printf("usage: show vap <addr>\n");
116 		return;
117 	}
118 	for (i = 0; modif[i] != '\0'; i++)
119 		switch (modif[i]) {
120 		case 'a':
121 			showprocs = 1;
122 			showmesh = 1;
123 			break;
124 		case 'm':
125 			showmesh = 1;
126 			break;
127 		case 'p':
128 			showprocs = 1;
129 			break;
130 		}
131 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
132 }
133 
134 DB_SHOW_COMMAND(com, db_show_com)
135 {
136 	const struct ieee80211com *ic;
137 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
138 
139 	if (!have_addr) {
140 		db_printf("usage: show com <addr>\n");
141 		return;
142 	}
143 	for (i = 0; modif[i] != '\0'; i++)
144 		switch (modif[i]) {
145 		case 'a':
146 			showsta = showmesh = showvaps = showprocs = 1;
147 			break;
148 		case 's':
149 			showsta = 1;
150 			break;
151 		case 'm':
152 			showmesh = 1;
153 			break;
154 		case 'v':
155 			showvaps = 1;
156 			break;
157 		case 'p':
158 			showprocs = 1;
159 			break;
160 		}
161 
162 	ic = (const struct ieee80211com *) addr;
163 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
164 }
165 
166 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
167 {
168 	int i, showall = 0;
169 
170 	for (i = 0; modif[i] != '\0'; i++)
171 		switch (modif[i]) {
172 		case 'a':
173 			showall = 1;
174 			break;
175 		}
176 
177 	ieee80211_iterate_coms(_db_show_all_vaps, &showall);
178 }
179 
180 #ifdef IEEE80211_SUPPORT_MESH
181 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
182 {
183 	const struct ieee80211_mesh_state *ms;
184 
185 	if (!have_addr) {
186 		db_printf("usage: show mesh <addr>\n");
187 		return;
188 	}
189 	ms = (const struct ieee80211_mesh_state *) addr;
190 	_db_show_mesh(ms);
191 }
192 #endif /* IEEE80211_SUPPORT_MESH */
193 
194 static void
195 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
196 {
197 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
198 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
199 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
200 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
201 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
202 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
203 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
204 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
205 		tap->txa_attempts, tap->txa_nextrequest);
206 	/* XXX timer */
207 }
208 
209 static void
210 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
211 {
212 	struct mbuf *m;
213 	int i;
214 
215 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
216 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
217 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
218 		sep, rap->rxa_qbytes, rap->rxa_qframes,
219 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
220 	db_printf("%s  age %d nframes %d\n", sep,
221 		rap->rxa_age, rap->rxa_nframes);
222 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
223 		if (mbufq_len(&rap->rxa_mq[i]) > 0) {
224 			db_printf("%s  m[%2u:%4u] ", sep, i,
225 			    IEEE80211_SEQ_ADD(rap->rxa_start, i));
226 			STAILQ_FOREACH(m, &rap->rxa_mq[i].mq_head,
227 			    m_stailqpkt) {
228 				db_printf(" %p", m);
229 			}
230 			db_printf("\n");
231 		}
232 }
233 
234 static void
235 _db_show_sta(const struct ieee80211_node *ni)
236 {
237 	int i;
238 
239 	db_printf("STA: %p: mac %s refcnt %d\n", ni,
240 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
241 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
242 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
243 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
244 	db_printf("\tauthmode %u ath_flags 0x%x ath_defkeyix %u\n",
245 		ni->ni_authmode, ni->ni_ath_flags, ni->ni_ath_defkeyix);
246 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
247 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
248 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
249 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
250 		ni->ni_challenge);
251 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
252 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
253 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
254 		ni->ni_ies.ath_ie);
255 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
256 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
257 	db_printf("\t vhtcap_ie %p vhtopmode_ie %p vhtpwrenv_ie %p]\n",
258 		ni->ni_ies.vhtcap_ie, ni->ni_ies.vhtopmode_ie,
259 		ni->ni_ies.vhtpwrenv_ie);
260 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
261 		for (i = 0; i < WME_NUM_TID; i++) {
262 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
263 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
264 				    i, ni->ni_txseqs[i],
265 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
266 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
267 		}
268 	}
269 
270 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
271 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
272 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
273 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
274 		ni->ni_rxfragstamp);
275 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
276 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
277 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
278 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
279 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
280 		ni->ni_noise);
281 	db_printf("\tintval %u capinfo %b\n",
282 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
283 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
284 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
285 	db_printf("\n");
286 	_db_show_channel("\tchannel", ni->ni_chan);
287 	db_printf("\n");
288 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
289 		ni->ni_erp, IEEE80211_ERP_BITS,
290 		ni->ni_dtim_period, ni->ni_dtim_count);
291 
292 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
293 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
294 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
295 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
296 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
297 
298 	/* XXX ampdu state */
299 	for (i = 0; i < WME_NUM_TID; i++)
300 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
301 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
302 	for (i = 0; i < WME_NUM_TID; i++)
303 		if (ni->ni_rx_ampdu[i].rxa_flags)
304 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
305 
306 	db_printf("\tinact %u inact_reload %u txrate %u\n",
307 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
308 #ifdef IEEE80211_SUPPORT_MESH
309 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
310 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
311 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
312 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
313 #endif
314 
315 	/* VHT state */
316 	db_printf("\tvhtcap %b vht_basicmcs %#06x vht_pad2 %#06x\n",
317 	    ni->ni_vhtcap, IEEE80211_VHTCAP_BITS,
318 	    ni->ni_vht_basicmcs, ni->ni_vht_pad2);
319 	db_printf("\tvht_mcsinfo: { rx_mcs_map %#06x rx_highest %#06x "
320 	    "tx_mcs_map %#06x tx_highest %#06x }\n",
321 	    ni->ni_vht_mcsinfo.rx_mcs_map, ni->ni_vht_mcsinfo.rx_highest,
322 	    ni->ni_vht_mcsinfo.tx_mcs_map, ni->ni_vht_mcsinfo.tx_highest);
323 	db_printf("\tvht_chan1/chan2 %u/%u vht_chanwidth %#04x\n",
324 	    ni->ni_vht_chan1, ni->ni_vht_chan2, ni->ni_vht_chanwidth);
325 	db_printf("\tvht_pad1 %#04x vht_spare { %#x %#x %#x %#x %#x %#x %#x %#x }\n",
326 	    ni->ni_vht_pad1, ni->ni_vht_spare[0], ni->ni_vht_spare[1],
327 	    ni->ni_vht_spare[2], ni->ni_vht_spare[3], ni->ni_vht_spare[4],
328 	    ni->ni_vht_spare[5], ni->ni_vht_spare[6], ni->ni_vht_spare[7]);
329 }
330 
331 #ifdef IEEE80211_SUPPORT_TDMA
332 static void
333 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
334 {
335 	db_printf("%stdma %p:\n", sep, ts);
336 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
337 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
338 	db_printf("%s  slotlen %u slotcnt %u", sep,
339 	    ts->tdma_slotlen, ts->tdma_slotcnt);
340 	db_printf(" inuse 0x%x active 0x%x count %d\n",
341 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
342 	if (showprocs) {
343 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
344 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
345 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
346 	}
347 }
348 #endif /* IEEE80211_SUPPORT_TDMA */
349 
350 static void
351 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
352 {
353 	const struct ieee80211com *ic = vap->iv_ic;
354 	int i;
355 
356 	db_printf("VAP %p:", vap);
357 	db_printf(" bss %p", vap->iv_bss);
358 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
359 	db_printf("\n");
360 
361 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
362 #ifdef IEEE80211_SUPPORT_MESH
363 	if (vap->iv_opmode == IEEE80211_M_MBSS)
364 		db_printf("(%p)", vap->iv_mesh);
365 #endif
366 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
367 	db_printf(" ifp %p(%s)", vap->iv_ifp, if_name(vap->iv_ifp));
368 	db_printf("\n");
369 
370 	db_printf("\tic %p", vap->iv_ic);
371 	db_printf(" media %p", &vap->iv_media);
372 	db_printf(" bpf_if %p", vap->iv_rawbpf);
373 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
374 #if 0
375 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
376 #endif
377 	db_printf("\n");
378 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
379 
380 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
381 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
382 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
383 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
384 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
385 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
386 	db_printf("\tvhtcaps=%b\n", vap->iv_vhtcaps, IEEE80211_VHTCAP_BITS);
387 
388 	_db_show_stats(&vap->iv_stats);
389 
390 	db_printf("\tinact_init %d", vap->iv_inact_init);
391 	db_printf(" inact_auth %d", vap->iv_inact_auth);
392 	db_printf(" inact_run %d", vap->iv_inact_run);
393 	db_printf(" inact_probe %d", vap->iv_inact_probe);
394 	db_printf("\n");
395 
396 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
397 	if (vap->iv_des_nssid)
398 		_db_show_ssid(" des_ssid[%u] ", 0,
399 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
400 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
401 	db_printf("\n");
402 	db_printf("\tdes_mode %d", vap->iv_des_mode);
403 	_db_show_channel(" des_chan", vap->iv_des_chan);
404 	db_printf("\n");
405 #if 0
406 	int			iv_nicknamelen;	/* XXX junk */
407 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
408 #endif
409 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
410 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
411 	db_printf(" scanvalid %u", vap->iv_scanvalid);
412 	db_printf("\n");
413 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
414 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
415 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
416 	db_printf("\n");
417 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
418 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
419 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
420 		_db_show_ssid(" scanreq_ssid[%u]", i,
421 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
422 	db_printf(" roaming %d", vap->iv_roaming);
423 	db_printf("\n");
424 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
425 		if (isset(ic->ic_modecaps, i)) {
426 			_db_show_roamparams("\troamparms[%s]",
427 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
428 			db_printf("\n");
429 		}
430 
431 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
432 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
433 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
434 	db_printf("\n");
435 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
436 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
437 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
438 	db_printf("\n");
439 
440 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
441 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
442 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
443 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
444 	db_printf("\n");
445 
446 	db_printf("\tmax_aid %u", vap->iv_max_aid);
447 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
448 	db_printf("\n");
449 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
450 	db_printf(" ps_sta %u", vap->iv_ps_sta);
451 	db_printf(" ps_pending %u", vap->iv_ps_pending);
452 	db_printf(" tim_len %u", vap->iv_tim_len);
453 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
454 	db_printf("\n");
455 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
456 	db_printf(" dtim_count %u", vap->iv_dtim_count);
457 	db_printf(" set_tim %p", vap->iv_set_tim);
458 	db_printf(" csa_count %d", vap->iv_csa_count);
459 	db_printf("\n");
460 
461 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
462 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
463 	db_printf(" inact_timer %d", vap->iv_inact_timer);
464 	db_printf("\n");
465 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
466 		if (isset(ic->ic_modecaps, i)) {
467 			_db_show_txparams("\ttxparms[%s]",
468 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
469 			db_printf("\n");
470 		}
471 
472 	/* application-specified IE's to attach to mgt frames */
473 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
474 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
475 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
476 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
477 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
478 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
479 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
480 		if (vap->iv_wpa_ie != NULL)
481 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
482 		if (vap->iv_rsn_ie != NULL)
483 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
484 		db_printf("\n");
485 	}
486 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
487 	db_printf(" def_txkey %d", vap->iv_def_txkey);
488 	db_printf("\n");
489 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
490 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
491 
492 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
493 	db_printf(" ec %p", vap->iv_ec);
494 
495 	db_printf(" acl %p", vap->iv_acl);
496 	db_printf(" as %p", vap->iv_as);
497 	db_printf("\n");
498 #ifdef IEEE80211_SUPPORT_MESH
499 	if (showmesh && vap->iv_mesh != NULL)
500 		_db_show_mesh(vap->iv_mesh);
501 #endif
502 #ifdef IEEE80211_SUPPORT_TDMA
503 	if (vap->iv_tdma != NULL)
504 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
505 #endif /* IEEE80211_SUPPORT_TDMA */
506 
507 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
508 	db_printf(" ht_sta_assoc %u", vap->iv_ht_sta_assoc);
509 	db_printf(" ht40_sta_assoc %u", vap->iv_ht40_sta_assoc);
510 	db_printf("\n");
511 	db_printf(" nonerpsta %u", vap->iv_nonerpsta);
512 	db_printf(" longslotsta %u", vap->iv_longslotsta);
513 	db_printf(" lastnonerp %d", vap->iv_lastnonerp);
514 	db_printf(" lastnonht %d", vap->iv_lastnonht);
515 	db_printf("\n");
516 
517 	if (showprocs) {
518 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
519 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
520 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
521 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
522 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
523 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
524 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
525 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
526 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
527 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
528 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
529 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
530 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
531 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
532 	}
533 }
534 
535 static void
536 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
537     int showmesh, int showprocs)
538 {
539 	struct ieee80211vap *vap;
540 
541 	db_printf("COM: %p:", ic);
542 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
543 		db_printf(" %s(%p)", if_name(vap->iv_ifp), vap);
544 	db_printf("\n");
545 	db_printf("\tsoftc %p", ic->ic_softc);
546 	db_printf("\tname %s", ic->ic_name);
547 	db_printf(" comlock %p", &ic->ic_comlock);
548 	db_printf(" txlock %p", &ic->ic_txlock);
549 	db_printf(" fflock %p", &ic->ic_fflock);
550 	db_printf("\n");
551 	db_printf("\theadroom %d", ic->ic_headroom);
552 	db_printf(" phytype %d", ic->ic_phytype);
553 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
554 	db_printf("\n");
555 	db_printf(" inact %p", &ic->ic_inact);
556 	db_printf("\n");
557 
558 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
559 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
560 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
561 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
562 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
563 	db_printf("\tcryptocaps=%b\n",
564 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
565 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
566 	db_printf("\tvhtcaps=%b\n", ic->ic_vhtcaps, IEEE80211_VHTCAP_BITS);
567 
568 #if 0
569 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
570 #endif
571 	db_printf("\tcurmode %u", ic->ic_curmode);
572 	db_printf(" promisc %u", ic->ic_promisc);
573 	db_printf(" allmulti %u", ic->ic_allmulti);
574 	db_printf(" nrunning %u", ic->ic_nrunning);
575 	db_printf("\n");
576 	db_printf("\tbintval %u", ic->ic_bintval);
577 	db_printf(" lintval %u", ic->ic_lintval);
578 	db_printf(" holdover %u", ic->ic_holdover);
579 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
580 	db_printf("\n");
581 #if 0
582 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
583 #endif
584 	/*
585 	 * Channel state:
586 	 *
587 	 * ic_channels is the set of available channels for the device;
588 	 *    it is setup by the driver
589 	 * ic_nchans is the number of valid entries in ic_channels
590 	 * ic_chan_avail is a bit vector of these channels used to check
591 	 *    whether a channel is available w/o searching the channel table.
592 	 * ic_chan_active is a (potentially) constrained subset of
593 	 *    ic_chan_avail that reflects any mode setting or user-specified
594 	 *    limit on the set of channels to use/scan
595 	 * ic_curchan is the current channel the device is set to; it may
596 	 *    be different from ic_bsschan when we are off-channel scanning
597 	 *    or otherwise doing background work
598 	 * ic_bsschan is the channel selected for operation; it may
599 	 *    be undefined (IEEE80211_CHAN_ANYC)
600 	 * ic_prevchan is a cached ``previous channel'' used to optimize
601 	 *    lookups when switching back+forth between two channels
602 	 *    (e.g. for dynamic turbo)
603 	 */
604 	db_printf("\tnchans %d", ic->ic_nchans);
605 #if 0
606 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
607 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
608 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
609 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
610 #endif
611 	db_printf("\n");
612 	_db_show_channel("\tcurchan", ic->ic_curchan);
613 	db_printf("\n");
614 	_db_show_channel("\tbsschan", ic->ic_bsschan);
615 	db_printf("\n");
616 	_db_show_channel("\tprevchan", ic->ic_prevchan);
617 	db_printf("\n");
618 	db_printf("\tregdomain %p", &ic->ic_regdomain);
619 	db_printf("\n");
620 
621 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
622 	db_printf(" csa_count %d", ic->ic_csa_count);
623 	db_printf( "dfs %p", &ic->ic_dfs);
624 	db_printf("\n");
625 
626 	db_printf("\tscan %p", ic->ic_scan);
627 	db_printf(" lastdata %d", ic->ic_lastdata);
628 	db_printf(" lastscan %d", ic->ic_lastscan);
629 	db_printf("\n");
630 
631 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
632 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
633 	db_printf(" wme %p", &ic->ic_wme);
634 	if (!showsta)
635 		db_printf(" sta %p", &ic->ic_sta);
636 	db_printf("\n");
637 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
638 	_db_show_ageq("\t", &ic->ic_stageq);
639 	if (showsta)
640 		_db_show_node_table("\t", &ic->ic_sta);
641 
642 	db_printf("\tprotmode %d", ic->ic_protmode);
643 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
644 	db_printf(" htprotmode %d", ic->ic_htprotmode);
645 	db_printf("\n");
646 
647 	db_printf("\tsuperg %p\n", ic->ic_superg);
648 
649 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
650 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
651 
652 	if (showprocs) {
653 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
654 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
655 #if 0
656 		/* operating mode attachment */
657 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
658 #endif
659 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
660 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
661 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
662 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
663 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
664 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
665 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
666 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
667 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
668 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
669 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
670 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
671 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
672 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
673 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
674 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
675 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
676 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
677 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
678 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
679 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
680 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
681 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
682 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
683 	}
684 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
685 		db_printf("\n");
686 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
687 			_db_show_vap(vap, showmesh, showprocs);
688 	}
689 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
690 		const struct ieee80211_node_table *nt = &ic->ic_sta;
691 		const struct ieee80211_node *ni;
692 
693 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
694 			db_printf("\n");
695 			_db_show_sta(ni);
696 		}
697 	}
698 }
699 
700 static void
701 _db_show_all_vaps(void *arg, struct ieee80211com *ic)
702 {
703 	int showall = *(int *)arg;
704 
705 	if (!showall) {
706 		const struct ieee80211vap *vap;
707 		db_printf("%s: com %p vaps:", ic->ic_name, ic);
708 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
709 			db_printf(" %s(%p)", if_name(vap->iv_ifp), vap);
710 		db_printf("\n");
711 	} else
712 		_db_show_com(ic, 1, 1, 1, 1);
713 }
714 
715 static void
716 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
717 {
718 	int i;
719 
720 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
721 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
722 	db_printf(" inact_init %d", nt->nt_inact_init);
723 	db_printf("%s keyixmax %d keyixmap %p\n",
724 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
725 	for (i = 0; i < nt->nt_keyixmax; i++) {
726 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
727 		if (ni != NULL)
728 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
729 			    ether_sprintf(ni->ni_macaddr));
730 	}
731 }
732 
733 static void
734 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
735 {
736 	db_printf("%s ", tag);
737 	if (c == NULL)
738 		db_printf("<NULL>");
739 	else if (c == IEEE80211_CHAN_ANYC)
740 		db_printf("<ANY>");
741 	else
742 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
743 		    c->ic_freq, c->ic_ieee,
744 		    c->ic_flags, IEEE80211_CHAN_BITS,
745 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
746 		    c->ic_state, c->ic_extieee);
747 }
748 
749 static void
750 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
751 {
752 	const uint8_t *p;
753 	int i;
754 
755 	db_printf(tag, ix);
756 
757 	if (len > IEEE80211_NWID_LEN)
758 		len = IEEE80211_NWID_LEN;
759 	/* determine printable or not */
760 	for (i = 0, p = ssid; i < len; i++, p++) {
761 		if (*p < ' ' || *p > 0x7e)
762 			break;
763 	}
764 	if (i == len) {
765 		db_printf("\"");
766 		for (i = 0, p = ssid; i < len; i++, p++)
767 			db_printf("%c", *p);
768 		db_printf("\"");
769 	} else {
770 		db_printf("0x");
771 		for (i = 0, p = ssid; i < len; i++, p++)
772 			db_printf("%02x", *p);
773 	}
774 }
775 
776 static void
777 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
778 {
779 	const uint8_t *p;
780 	int i;
781 
782 	if (ie == NULL)
783 		return;
784 	db_printf("%s [0x", tag);
785 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
786 		db_printf("%02x", *p);
787 	db_printf("]\n");
788 }
789 
790 static void
791 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
792 {
793 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
794 	const struct ieee80211_cipher *cip = wk->wk_cipher;
795 	int keylen = wk->wk_keylen;
796 
797 	db_printf(tag, ix);
798 	switch (cip->ic_cipher) {
799 	case IEEE80211_CIPHER_WEP:
800 		/* compatibility */
801 		db_printf(" wepkey %u:%s", wk->wk_keyix,
802 		    keylen <= 5 ? "40-bit" :
803 		    keylen <= 13 ? "104-bit" : "128-bit");
804 		break;
805 	case IEEE80211_CIPHER_TKIP:
806 		if (keylen > 128/8)
807 			keylen -= 128/8;	/* ignore MIC for now */
808 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
809 		break;
810 	case IEEE80211_CIPHER_AES_OCB:
811 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
812 		break;
813 	case IEEE80211_CIPHER_AES_CCM:
814 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
815 		break;
816 	case IEEE80211_CIPHER_CKIP:
817 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
818 		break;
819 	case IEEE80211_CIPHER_NONE:
820 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
821 		break;
822 	default:
823 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
824 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
825 		break;
826 	}
827 	if (wk->wk_rxkeyix != wk->wk_keyix)
828 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
829 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
830 		int i;
831 
832 		db_printf(" <");
833 		for (i = 0; i < keylen; i++)
834 			db_printf("%02x", wk->wk_key[i]);
835 		db_printf(">");
836 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
837 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
838 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
839 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
840 		    wk->wk_keytsc != 0)
841 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
842 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
843 	}
844 	db_printf("\n");
845 }
846 
847 static void
848 printrate(const char *tag, int v)
849 {
850 	if (v == IEEE80211_FIXED_RATE_NONE)
851 		db_printf(" %s <none>", tag);
852 	else if (v == 11)
853 		db_printf(" %s 5.5", tag);
854 	else if (v & IEEE80211_RATE_MCS)
855 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
856 	else
857 		db_printf(" %s %d", tag, v/2);
858 }
859 
860 static void
861 _db_show_roamparams(const char *tag, const void *arg,
862     const struct ieee80211_roamparam *rp)
863 {
864 
865 	db_printf(tag, arg);
866 	if (rp->rssi & 1)
867 		db_printf(" rssi %u.5", rp->rssi/2);
868 	else
869 		db_printf(" rssi %u", rp->rssi/2);
870 	printrate("rate", rp->rate);
871 }
872 
873 static void
874 _db_show_txparams(const char *tag, const void *arg,
875     const struct ieee80211_txparam *tp)
876 {
877 
878 	db_printf(tag, arg);
879 	printrate("ucastrate", tp->ucastrate);
880 	printrate("mcastrate", tp->mcastrate);
881 	printrate("mgmtrate", tp->mgmtrate);
882 	db_printf(" maxretry %d", tp->maxretry);
883 }
884 
885 static void
886 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
887 {
888 	const struct mbuf *m;
889 
890 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
891 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
892 	    q->aq_head, q->aq_tail);
893 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
894 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
895 		    /* XXX could be either TX or RX but is mostly TX */
896 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
897 }
898 
899 static void
900 _db_show_stats(const struct ieee80211_stats *is)
901 {
902 }
903 
904 #ifdef IEEE80211_SUPPORT_MESH
905 static void
906 _db_show_mesh(const struct ieee80211_mesh_state *ms)
907 {
908 	struct ieee80211_mesh_route *rt;
909 	int i;
910 
911 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
912 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
913 	    ms->ms_ttl, ms->ms_flags);
914 	db_printf("routing table:\n");
915 	i = 0;
916 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
917 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
918 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
919 
920 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
921 		    ieee80211_mesh_rt_update(rt, 0),
922 		    rt->rt_lastmseq, rt->rt_priv);
923 		i++;
924 	}
925 }
926 #endif /* IEEE80211_SUPPORT_MESH */
927 #endif /* DDB */
928