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  * $FreeBSD: head/sys/net80211/ieee80211_ddb.c 196019 2009-08-01 19:26:27Z rwatson $
26  */
27 
28 #include "opt_ddb.h"
29 #include "opt_wlan.h"
30 
31 #ifdef DDB
32 /*
33  * IEEE 802.11 DDB support
34  */
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/socket.h>
39 
40 #include <net/if.h>
41 #include <net/if_dl.h>
42 #include <net/if_media.h>
43 #include <net/if_types.h>
44 #include <net/ethernet.h>
45 #include <net/route.h>
46 
47 #include <netproto/802_11/ieee80211_var.h>
48 #ifdef IEEE80211_SUPPORT_TDMA
49 #include <netproto/802_11/ieee80211_tdma.h>
50 #endif
51 #ifdef IEEE80211_SUPPORT_MESH
52 #include <netproto/802_11/ieee80211_mesh.h>
53 #endif
54 
55 #include <ddb/ddb.h>
56 #include <ddb/db_sym.h>
57 
58 #define DB_PRINTSYM(prefix, name, addr) do { \
59 	db_printf("%s%-25s : ",  prefix, name); \
60 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
61 	db_printf("\n"); \
62 } while (0)
63 
64 static void _db_show_sta(const struct ieee80211_node *);
65 static void _db_show_vap(const struct ieee80211vap *, int);
66 static void _db_show_com(const struct ieee80211com *,
67 	int showvaps, int showsta, int showprocs);
68 
69 static void _db_show_node_table(const char *tag,
70 	const struct ieee80211_node_table *);
71 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
72 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
73 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
74 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
75 static void _db_show_roamparams(const char *tag, const void *arg,
76 	const struct ieee80211_roamparam *rp);
77 static void _db_show_txparams(const char *tag, const void *arg,
78 	const struct ieee80211_txparam *tp);
79 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
80 static void _db_show_stats(const struct ieee80211_stats *);
81 #if 0
82 #ifdef IEEE80211_SUPPORT_MESH
83 static void _db_show_mesh(const struct ieee80211_mesh_state *);
84 #endif
85 #endif
86 
87 DB_SHOW_COMMAND(sta, db_show_sta)
88 {
89 	if (!have_addr) {
90 		db_printf("usage: show sta <addr>\n");
91 		return;
92 	}
93 	_db_show_sta((const struct ieee80211_node *) addr);
94 }
95 
96 DB_SHOW_COMMAND(statab, db_show_statab)
97 {
98 	if (!have_addr) {
99 		db_printf("usage: show statab <addr>\n");
100 		return;
101 	}
102 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
103 }
104 
105 DB_SHOW_COMMAND(vap, db_show_vap)
106 {
107 	int i, showprocs = 0;
108 
109 	if (!have_addr) {
110 		db_printf("usage: show vap <addr>\n");
111 		return;
112 	}
113 	for (i = 0; modif[i] != '\0'; i++)
114 		switch (modif[i]) {
115 		case 'a':
116 			showprocs = 1;
117 			break;
118 		case 'p':
119 			showprocs = 1;
120 			break;
121 		}
122 	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
123 }
124 
125 DB_SHOW_COMMAND(com, db_show_com)
126 {
127 	const struct ieee80211com *ic;
128 	int i, showprocs = 0, showvaps = 0, showsta = 0;
129 
130 	if (!have_addr) {
131 		db_printf("usage: show com <addr>\n");
132 		return;
133 	}
134 	for (i = 0; modif[i] != '\0'; i++)
135 		switch (modif[i]) {
136 		case 'a':
137 			showsta = showvaps = showprocs = 1;
138 			break;
139 		case 's':
140 			showsta = 1;
141 			break;
142 		case 'v':
143 			showvaps = 1;
144 			break;
145 		case 'p':
146 			showprocs = 1;
147 			break;
148 		}
149 
150 	ic = (const struct ieee80211com *) addr;
151 	_db_show_com(ic, showvaps, showsta, showprocs);
152 }
153 
154 #if __FreeBSD__
155 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
156 {
157 	const struct ifnet *ifp;
158 	int i, showall = 0;
159 
160 	for (i = 0; modif[i] != '\0'; i++)
161 		switch (modif[i]) {
162 		case 'a':
163 			showall = 1;
164 			break;
165 		}
166 
167 	TAILQ_FOREACH(ifp, &ifnet, if_list) {
168 		if (ifp->if_type == IFT_IEEE80211) {
169 			const struct ieee80211com *ic = ifp->if_l2com;
170 
171 			if (!showall) {
172 				const struct ieee80211vap *vap;
173 				db_printf("%s: com %p vaps:",
174 				    ifp->if_xname, ic);
175 				TAILQ_FOREACH(vap, &ic->ic_vaps,
176 				    iv_next)
177 					db_printf(" %s(%p)",
178 					    vap->iv_ifp->if_xname, vap);
179 				db_printf("\n");
180 			} else
181 				_db_show_com(ic, 1, 1, 1);
182 		}
183 	}
184 }
185 #endif
186 
187 #if 0
188 #ifdef IEEE80211_SUPPORT_MESH
189 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
190 {
191 	const struct ieee80211_mesh_state *ms;
192 
193 	if (!have_addr) {
194 		db_printf("usage: show mesh <addr>\n");
195 		return;
196 	}
197 	ms = (const struct ieee80211_mesh_state *) addr;
198 	_db_show_mesh(ms);
199 }
200 #endif /* IEEE80211_SUPPORT_MESH */
201 #endif
202 
203 static void
204 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
205 {
206 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
207 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
208 		ieee80211_wme_acnames[tap->txa_ac]);
209 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
210 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
211 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
212 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
213 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
214 		tap->txa_attempts, tap->txa_nextrequest);
215 	/* XXX timer */
216 }
217 
218 static void
219 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
220 {
221 	int i;
222 
223 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
224 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
225 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
226 		sep, rap->rxa_qbytes, rap->rxa_qframes,
227 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
228 	db_printf("%s  age %d nframes %d\n", sep,
229 		rap->rxa_age, rap->rxa_nframes);
230 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
231 		if (rap->rxa_m[i] != NULL)
232 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
233 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
234 			    rap->rxa_m[i]);
235 }
236 
237 static void
238 _db_show_sta(const struct ieee80211_node *ni)
239 {
240 	int i;
241 
242 	db_printf("0x%p: mac %6D refcnt %d\n", ni,
243 		ni->ni_macaddr, ":", ieee80211_node_refcnt(ni));
244 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
245 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
246 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
247 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
248 		ni->ni_scangen, ni->ni_authmode,
249 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
250 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
251 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
252 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
253 		ni->ni_jointime, (unsigned long)(time_second - ni->ni_jointime),
254 		ni->ni_challenge);
255 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
256 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
257 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
258 		ni->ni_ies.ath_ie);
259 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
260 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
261 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
262 		for (i = 0; i < WME_NUM_TID; i++) {
263 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
264 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
265 				    i, ni->ni_txseqs[i],
266 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
267 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
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 %6D", 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_AC; 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 
316 #ifdef IEEE80211_SUPPORT_TDMA
317 static void
318 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
319 {
320 	db_printf("%stdma %p:\n", sep, ts);
321 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
322 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
323 	db_printf("%s  slotlen %u slotcnt %u", sep,
324 	    ts->tdma_slotlen, ts->tdma_slotcnt);
325 	db_printf(" inuse 0x%x active 0x%x count %d\n",
326 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
327 	if (showprocs) {
328 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
329 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
330 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
331 	}
332 }
333 #endif /* IEEE80211_SUPPORT_TDMA */
334 
335 static void
336 _db_show_vap(const struct ieee80211vap *vap, int showprocs)
337 {
338 	const struct ieee80211com *ic = vap->iv_ic;
339 	int i;
340 
341 	db_printf("%p:", vap);
342 	db_printf(" bss %p", vap->iv_bss);
343 	db_printf(" myaddr %6D", vap->iv_myaddr, ":");
344 	db_printf("\n");
345 
346 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
347 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
348 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
349 	db_printf("\n");
350 
351 	db_printf("\tic %p", vap->iv_ic);
352 	db_printf(" media %p", &vap->iv_media);
353 	db_printf(" bpf_if %p", vap->iv_rawbpf);
354 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
355 #if 0
356 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
357 #endif
358 	db_printf("\n");
359 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
360 
361 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
362 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
363 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
364 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
365 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
366 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
367 
368 	_db_show_stats(&vap->iv_stats);
369 
370 	db_printf("\tinact_init %d", vap->iv_inact_init);
371 	db_printf(" inact_auth %d", vap->iv_inact_auth);
372 	db_printf(" inact_run %d", vap->iv_inact_run);
373 	db_printf(" inact_probe %d", vap->iv_inact_probe);
374 	db_printf("\n");
375 
376 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
377 	if (vap->iv_des_nssid)
378 		_db_show_ssid(" des_ssid[%u] ", 0,
379 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
380 	db_printf(" des_bssid %6D", vap->iv_des_bssid, ":");
381 	db_printf("\n");
382 	db_printf("\tdes_mode %d", vap->iv_des_mode);
383 	_db_show_channel(" des_chan", vap->iv_des_chan);
384 	db_printf("\n");
385 #if 0
386 	int			iv_nicknamelen;	/* XXX junk */
387 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
388 #endif
389 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
390 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
391 	db_printf(" scanvalid %u", vap->iv_scanvalid);
392 	db_printf("\n");
393 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
394 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
395 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
396 	db_printf("\n");
397 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
398 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
399 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
400 		_db_show_ssid(" scanreq_ssid[%u]", i,
401 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
402 	db_printf(" roaming %d", vap->iv_roaming);
403 	db_printf("\n");
404 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
405 		if (isset(ic->ic_modecaps, i)) {
406 			_db_show_roamparams("\troamparms[%s]",
407 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
408 			db_printf("\n");
409 		}
410 
411 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
412 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
413 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
414 	db_printf("\n");
415 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
416 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
417 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
418 	db_printf("\n");
419 
420 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
421 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
422 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
423 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
424 	db_printf("\n");
425 
426 	db_printf("\tmax_aid %u", vap->iv_max_aid);
427 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
428 	db_printf("\n");
429 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
430 	db_printf(" ps_sta %u", vap->iv_ps_sta);
431 	db_printf(" ps_pending %u", vap->iv_ps_pending);
432 	db_printf(" tim_len %u", vap->iv_tim_len);
433 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
434 	db_printf("\n");
435 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
436 	db_printf(" dtim_count %u", vap->iv_dtim_count);
437 	db_printf(" set_tim %p", vap->iv_set_tim);
438 	db_printf(" csa_count %d", vap->iv_csa_count);
439 	db_printf("\n");
440 
441 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
442 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
443 	db_printf(" inact_timer %d", vap->iv_inact_timer);
444 	db_printf("\n");
445 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
446 		if (isset(ic->ic_modecaps, i)) {
447 			_db_show_txparams("\ttxparms[%s]",
448 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
449 			db_printf("\n");
450 		}
451 
452 	/* application-specified IE's to attach to mgt frames */
453 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
454 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
455 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
456 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
457 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
458 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
459 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
460 		if (vap->iv_wpa_ie != NULL)
461 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
462 		if (vap->iv_rsn_ie != NULL)
463 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
464 		db_printf("\n");
465 	}
466 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
467 	db_printf(" def_txkey %d", vap->iv_def_txkey);
468 	db_printf("\n");
469 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
470 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
471 
472 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
473 	db_printf(" ec %p", vap->iv_ec);
474 
475 	db_printf(" acl %p", vap->iv_acl);
476 	db_printf(" as %p", vap->iv_as);
477 	db_printf("\n");
478 #ifdef IEEE80211_SUPPORT_TDMA
479 	if (vap->iv_tdma != NULL)
480 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
481 #endif /* IEEE80211_SUPPORT_TDMA */
482 	if (showprocs) {
483 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
484 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
485 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
486 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
487 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
488 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
489 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
490 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
491 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
492 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
493 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
494 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
495 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
496 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
497 	}
498 }
499 
500 static void
501 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
502 {
503 	struct ieee80211vap *vap;
504 
505 	db_printf("%p:", ic);
506 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
507 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
508 	db_printf("\n");
509 	db_printf("\tifp %p(%s)", ic->ic_ifp, ic->ic_ifp->if_xname);
510 	db_printf("\n");
511 	db_printf("\theadroom %d", ic->ic_headroom);
512 	db_printf(" phytype %d", ic->ic_phytype);
513 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
514 	db_printf("\n");
515 	db_printf("\tmedia %p", &ic->ic_media);
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, 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_node_table(const char *tag, const struct ieee80211_node_table *nt)
671 {
672 	int i;
673 
674 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
675 	db_printf(" inact_init %d", nt->nt_inact_init);
676 	db_printf(" scangen %u\n", nt->nt_scangen);
677 	db_printf("%s keyixmax %d keyixmap %p\n",
678 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
679 	for (i = 0; i < nt->nt_keyixmax; i++) {
680 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
681 		if (ni != NULL)
682 			db_printf("%s [%3u] %p %6D\n", tag, i, ni,
683 			    ni->ni_macaddr, ":");
684 	}
685 }
686 
687 static void
688 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
689 {
690 	db_printf("%s ", tag);
691 	if (c == NULL)
692 		db_printf("<NULL>");
693 	else if (c == IEEE80211_CHAN_ANYC)
694 		db_printf("<ANY>");
695 	else
696 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
697 		    c->ic_freq, c->ic_ieee,
698 		    c->ic_flags, IEEE80211_CHAN_BITS,
699 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
700 		    c->ic_state, c->ic_extieee);
701 }
702 
703 static void
704 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
705 {
706 	const uint8_t *p;
707 	int i;
708 
709 	db_printf(tag, ix);
710 
711 	if (len > IEEE80211_NWID_LEN)
712 		len = IEEE80211_NWID_LEN;
713 	/* determine printable or not */
714 	for (i = 0, p = ssid; i < len; i++, p++) {
715 		if (*p < ' ' || *p > 0x7e)
716 			break;
717 	}
718 	if (i == len) {
719 		db_printf("\"");
720 		for (i = 0, p = ssid; i < len; i++, p++)
721 			db_printf("%c", *p);
722 		db_printf("\"");
723 	} else {
724 		db_printf("0x");
725 		for (i = 0, p = ssid; i < len; i++, p++)
726 			db_printf("%02x", *p);
727 	}
728 }
729 
730 static void
731 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
732 {
733 	const uint8_t *p;
734 	int i;
735 
736 	if (ie == NULL)
737 		return;
738 	db_printf("%s [0x", tag);
739 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
740 		db_printf("%02x", *p);
741 	db_printf("]\n");
742 }
743 
744 static void
745 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
746 {
747 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
748 	const struct ieee80211_cipher *cip = wk->wk_cipher;
749 	int keylen = wk->wk_keylen;
750 
751 	db_printf(tag, ix);
752 	switch (cip->ic_cipher) {
753 	case IEEE80211_CIPHER_WEP:
754 		/* compatibility */
755 		db_printf(" wepkey %u:%s", wk->wk_keyix,
756 		    keylen <= 5 ? "40-bit" :
757 		    keylen <= 13 ? "104-bit" : "128-bit");
758 		break;
759 	case IEEE80211_CIPHER_TKIP:
760 		if (keylen > 128/8)
761 			keylen -= 128/8;	/* ignore MIC for now */
762 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
763 		break;
764 	case IEEE80211_CIPHER_AES_OCB:
765 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
766 		break;
767 	case IEEE80211_CIPHER_AES_CCM:
768 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
769 		break;
770 	case IEEE80211_CIPHER_CKIP:
771 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
772 		break;
773 	case IEEE80211_CIPHER_NONE:
774 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
775 		break;
776 	default:
777 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
778 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
779 		break;
780 	}
781 	if (wk->wk_rxkeyix != wk->wk_keyix)
782 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
783 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
784 		int i;
785 
786 		db_printf(" <");
787 		for (i = 0; i < keylen; i++)
788 			db_printf("%02x", wk->wk_key[i]);
789 		db_printf(">");
790 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
791 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
792 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
793 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
794 		    wk->wk_keytsc != 0)
795 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
796 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
797 	}
798 	db_printf("\n");
799 }
800 
801 static void
802 printrate(const char *tag, int v)
803 {
804 	if (v == IEEE80211_FIXED_RATE_NONE)
805 		db_printf(" %s <none>", tag);
806 	else if (v == 11)
807 		db_printf(" %s 5.5", tag);
808 	else if (v & IEEE80211_RATE_MCS)
809 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
810 	else
811 		db_printf(" %s %d", tag, v/2);
812 }
813 
814 static void
815 _db_show_roamparams(const char *tag, const void *arg,
816     const struct ieee80211_roamparam *rp)
817 {
818 
819 	db_printf(tag, arg);
820 	if (rp->rssi & 1)
821 		db_printf(" rssi %u.5", rp->rssi/2);
822 	else
823 		db_printf(" rssi %u", rp->rssi/2);
824 	printrate("rate", rp->rate);
825 }
826 
827 static void
828 _db_show_txparams(const char *tag, const void *arg,
829     const struct ieee80211_txparam *tp)
830 {
831 
832 	db_printf(tag, arg);
833 	printrate("ucastrate", tp->ucastrate);
834 	printrate("mcastrate", tp->mcastrate);
835 	printrate("mgmtrate", tp->mgmtrate);
836 	db_printf(" maxretry %d", tp->maxretry);
837 }
838 
839 static void
840 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
841 {
842 	const struct mbuf *m;
843 
844 	db_printf("%s len %d maxlen %d drops %d head %p tail %p\n",
845 	    tag, q->aq_len, q->aq_maxlen, q->aq_drops,
846 	    q->aq_head, q->aq_tail);
847 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
848 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
849 		    /* XXX could be either TX or RX but is mostly TX */
850 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
851 }
852 
853 static void
854 _db_show_stats(const struct ieee80211_stats *is)
855 {
856 }
857 
858 #if 0
859 #ifdef IEEE80211_SUPPORT_MESH
860 static void
861 _db_show_mesh(const struct ieee80211_mesh_state *ms)
862 {
863 	struct ieee80211_mesh_route *rt;
864 	int i;
865 
866 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
867 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
868 	    ms->ms_ttl, ms->ms_flags);
869 	db_printf("routing table:\n");
870 	i = 0;
871 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
872 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
873 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
874 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
875 		    rt->rt_lifetime, rt->rt_lastmseq, rt->rt_priv);
876 		i++;
877 	}
878 }
879 #endif /* IEEE80211_SUPPORT_MESH */
880 #endif
881 #endif /* DDB */
882