xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 15c433351f54e7cd5bec8d36c8e89e6a7fa55b26)
1 /*-
2  * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include "opt_ddb.h"
30 #include "opt_wlan.h"
31 
32 #ifdef DDB
33 /*
34  * IEEE 802.11 DDB support
35  */
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #include <sys/socket.h>
41 
42 #include <net/if.h>
43 #include <net/if_var.h>
44 #include <net/if_dl.h>
45 #include <net/if_media.h>
46 #include <net/if_types.h>
47 #include <net/ethernet.h>
48 #include <net/vnet.h>
49 
50 #include <net80211/ieee80211_var.h>
51 #ifdef IEEE80211_SUPPORT_TDMA
52 #include <net80211/ieee80211_tdma.h>
53 #endif
54 #ifdef IEEE80211_SUPPORT_MESH
55 #include <net80211/ieee80211_mesh.h>
56 #endif
57 
58 #include <ddb/ddb.h>
59 #include <ddb/db_sym.h>
60 
61 #define DB_PRINTSYM(prefix, name, addr) do { \
62 	db_printf("%s%-25s : ",  prefix, name); \
63 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
64 	db_printf("\n"); \
65 } while (0)
66 
67 static void _db_show_sta(const struct ieee80211_node *);
68 static void _db_show_vap(const struct ieee80211vap *, int, int);
69 static void _db_show_com(const struct ieee80211com *,
70 	int showvaps, int showsta, int showmesh, int showprocs);
71 
72 static void _db_show_node_table(const char *tag,
73 	const struct ieee80211_node_table *);
74 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
75 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
76 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
77 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
78 static void _db_show_roamparams(const char *tag, const void *arg,
79 	const struct ieee80211_roamparam *rp);
80 static void _db_show_txparams(const char *tag, const void *arg,
81 	const struct ieee80211_txparam *tp);
82 static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q);
83 static void _db_show_stats(const struct ieee80211_stats *);
84 #ifdef IEEE80211_SUPPORT_MESH
85 static void _db_show_mesh(const struct ieee80211_mesh_state *);
86 #endif
87 
88 DB_SHOW_COMMAND(sta, db_show_sta)
89 {
90 	if (!have_addr) {
91 		db_printf("usage: show sta <addr>\n");
92 		return;
93 	}
94 	_db_show_sta((const struct ieee80211_node *) addr);
95 }
96 
97 DB_SHOW_COMMAND(statab, db_show_statab)
98 {
99 	if (!have_addr) {
100 		db_printf("usage: show statab <addr>\n");
101 		return;
102 	}
103 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
104 }
105 
106 DB_SHOW_COMMAND(vap, db_show_vap)
107 {
108 	int i, showmesh = 0, showprocs = 0;
109 
110 	if (!have_addr) {
111 		db_printf("usage: show vap <addr>\n");
112 		return;
113 	}
114 	for (i = 0; modif[i] != '\0'; i++)
115 		switch (modif[i]) {
116 		case 'a':
117 			showprocs = 1;
118 			showmesh = 1;
119 			break;
120 		case 'm':
121 			showmesh = 1;
122 			break;
123 		case 'p':
124 			showprocs = 1;
125 			break;
126 		}
127 	_db_show_vap((const struct ieee80211vap *) addr, showmesh, showprocs);
128 }
129 
130 DB_SHOW_COMMAND(com, db_show_com)
131 {
132 	const struct ieee80211com *ic;
133 	int i, showprocs = 0, showvaps = 0, showsta = 0, showmesh = 0;
134 
135 	if (!have_addr) {
136 		db_printf("usage: show com <addr>\n");
137 		return;
138 	}
139 	for (i = 0; modif[i] != '\0'; i++)
140 		switch (modif[i]) {
141 		case 'a':
142 			showsta = showmesh = showvaps = showprocs = 1;
143 			break;
144 		case 's':
145 			showsta = 1;
146 			break;
147 		case 'm':
148 			showmesh = 1;
149 			break;
150 		case 'v':
151 			showvaps = 1;
152 			break;
153 		case 'p':
154 			showprocs = 1;
155 			break;
156 		}
157 
158 	ic = (const struct ieee80211com *) addr;
159 	_db_show_com(ic, showvaps, showsta, showmesh, showprocs);
160 }
161 
162 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
163 {
164 	VNET_ITERATOR_DECL(vnet_iter);
165 	const struct ifnet *ifp;
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 	VNET_FOREACH(vnet_iter) {
176 		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
177 			if (ifp->if_type == IFT_IEEE80211) {
178 				const struct ieee80211com *ic = ifp->if_l2com;
179 
180 				if (!showall) {
181 					const struct ieee80211vap *vap;
182 					db_printf("%s: com %p vaps:",
183 					    ifp->if_xname, ic);
184 					TAILQ_FOREACH(vap, &ic->ic_vaps,
185 					    iv_next)
186 						db_printf(" %s(%p)",
187 						    vap->iv_ifp->if_xname, vap);
188 					db_printf("\n");
189 				} else
190 					_db_show_com(ic, 1, 1, 1, 1);
191 			}
192 	}
193 }
194 
195 #ifdef IEEE80211_SUPPORT_MESH
196 DB_SHOW_ALL_COMMAND(mesh, db_show_mesh)
197 {
198 	const struct ieee80211_mesh_state *ms;
199 
200 	if (!have_addr) {
201 		db_printf("usage: show mesh <addr>\n");
202 		return;
203 	}
204 	ms = (const struct ieee80211_mesh_state *) addr;
205 	_db_show_mesh(ms);
206 }
207 #endif /* IEEE80211_SUPPORT_MESH */
208 
209 static void
210 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
211 {
212 	db_printf("%stxampdu[%d]: %p flags %b %s\n",
213 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS,
214 		ieee80211_wme_acnames[TID_TO_WME_AC(tap->txa_tid)]);
215 	db_printf("%s  token %u lastsample %d pkts %d avgpps %d qbytes %d qframes %d\n",
216 		sep, tap->txa_token, tap->txa_lastsample, tap->txa_pkts,
217 		tap->txa_avgpps, tap->txa_qbytes, tap->txa_qframes);
218 	db_printf("%s  start %u seqpending %u wnd %u attempts %d nextrequest %d\n",
219 		sep, tap->txa_start, tap->txa_seqpending, tap->txa_wnd,
220 		tap->txa_attempts, tap->txa_nextrequest);
221 	/* XXX timer */
222 }
223 
224 static void
225 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
226 {
227 	int i;
228 
229 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
230 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
231 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
232 		sep, rap->rxa_qbytes, rap->rxa_qframes,
233 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
234 	db_printf("%s  age %d nframes %d\n", sep,
235 		rap->rxa_age, rap->rxa_nframes);
236 	for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++)
237 		if (rap->rxa_m[i] != NULL)
238 			db_printf("%s  m[%2u:%4u] %p\n", sep, i,
239 			    IEEE80211_SEQ_ADD(rap->rxa_start, i),
240 			    rap->rxa_m[i]);
241 }
242 
243 static void
244 _db_show_sta(const struct ieee80211_node *ni)
245 {
246 	int i;
247 
248 	db_printf("0x%p: mac %s refcnt %d\n", ni,
249 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
250 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
251 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
252 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
253 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
254 		ni->ni_scangen, ni->ni_authmode,
255 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
256 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
257 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
258 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
259 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
260 		ni->ni_challenge);
261 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
262 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
263 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
264 		ni->ni_ies.ath_ie);
265 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
266 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
267 	if (ni->ni_flags & IEEE80211_NODE_QOS) {
268 		for (i = 0; i < WME_NUM_TID; i++) {
269 			if (ni->ni_txseqs[i] || ni->ni_rxseqs[i])
270 				db_printf("\t[%u] txseq %u rxseq %u fragno %u\n",
271 				    i, ni->ni_txseqs[i],
272 				    ni->ni_rxseqs[i] >> IEEE80211_SEQ_SEQ_SHIFT,
273 				    ni->ni_rxseqs[i] & IEEE80211_SEQ_FRAG_MASK);
274 		}
275 	}
276 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
277 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
278 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
279 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
280 		ni->ni_rxfragstamp);
281 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
282 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
283 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
284 	db_printf("\tavgrssi 0x%x (rssi %d) noise %d\n",
285 		ni->ni_avgrssi, IEEE80211_RSSI_GET(ni->ni_avgrssi),
286 		ni->ni_noise);
287 	db_printf("\tintval %u capinfo %b\n",
288 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
289 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
290 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
291 	db_printf("\n");
292 	_db_show_channel("\tchannel", ni->ni_chan);
293 	db_printf("\n");
294 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
295 		ni->ni_erp, IEEE80211_ERP_BITS,
296 		ni->ni_dtim_period, ni->ni_dtim_count);
297 
298 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
299 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
300 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
301 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
302 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
303 
304 	/* XXX ampdu state */
305 	for (i = 0; i < WME_NUM_TID; i++)
306 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
307 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
308 	for (i = 0; i < WME_NUM_TID; i++)
309 		if (ni->ni_rx_ampdu[i].rxa_flags)
310 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
311 
312 	db_printf("\tinact %u inact_reload %u txrate %u\n",
313 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
314 #ifdef IEEE80211_SUPPORT_MESH
315 	_db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid);
316 	db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n",
317 	    ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS,
318 	    ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval);
319 #endif
320 }
321 
322 #ifdef IEEE80211_SUPPORT_TDMA
323 static void
324 _db_show_tdma(const char *sep, const struct ieee80211_tdma_state *ts, int showprocs)
325 {
326 	db_printf("%stdma %p:\n", sep, ts);
327 	db_printf("%s  version %u slot %u bintval %u peer %p\n", sep,
328 	    ts->tdma_version, ts->tdma_slot, ts->tdma_bintval, ts->tdma_peer);
329 	db_printf("%s  slotlen %u slotcnt %u", sep,
330 	    ts->tdma_slotlen, ts->tdma_slotcnt);
331 	db_printf(" inuse 0x%x active 0x%x count %d\n",
332 	    ts->tdma_inuse[0], ts->tdma_active[0], ts->tdma_count);
333 	if (showprocs) {
334 		DB_PRINTSYM(sep, "  tdma_newstate", ts->tdma_newstate);
335 		DB_PRINTSYM(sep, "  tdma_recv_mgmt", ts->tdma_recv_mgmt);
336 		DB_PRINTSYM(sep, "  tdma_opdetach", ts->tdma_opdetach);
337 	}
338 }
339 #endif /* IEEE80211_SUPPORT_TDMA */
340 
341 static void
342 _db_show_vap(const struct ieee80211vap *vap, int showmesh, int showprocs)
343 {
344 	const struct ieee80211com *ic = vap->iv_ic;
345 	int i;
346 
347 	db_printf("%p:", vap);
348 	db_printf(" bss %p", vap->iv_bss);
349 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
350 	db_printf("\n");
351 
352 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
353 #ifdef IEEE80211_SUPPORT_MESH
354 	if (vap->iv_opmode == IEEE80211_M_MBSS)
355 		db_printf("(%p)", vap->iv_mesh);
356 #endif
357 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
358 	db_printf(" ifp %p(%s)", vap->iv_ifp, vap->iv_ifp->if_xname);
359 	db_printf("\n");
360 
361 	db_printf("\tic %p", vap->iv_ic);
362 	db_printf(" media %p", &vap->iv_media);
363 	db_printf(" bpf_if %p", vap->iv_rawbpf);
364 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
365 #if 0
366 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
367 #endif
368 	db_printf("\n");
369 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
370 
371 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
372 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
373 	db_printf("\tflags_ht=%b\n", vap->iv_flags_ht, IEEE80211_FHT_BITS);
374 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
375 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
376 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
377 
378 	_db_show_stats(&vap->iv_stats);
379 
380 	db_printf("\tinact_init %d", vap->iv_inact_init);
381 	db_printf(" inact_auth %d", vap->iv_inact_auth);
382 	db_printf(" inact_run %d", vap->iv_inact_run);
383 	db_printf(" inact_probe %d", vap->iv_inact_probe);
384 	db_printf("\n");
385 
386 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
387 	if (vap->iv_des_nssid)
388 		_db_show_ssid(" des_ssid[%u] ", 0,
389 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
390 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
391 	db_printf("\n");
392 	db_printf("\tdes_mode %d", vap->iv_des_mode);
393 	_db_show_channel(" des_chan", vap->iv_des_chan);
394 	db_printf("\n");
395 #if 0
396 	int			iv_nicknamelen;	/* XXX junk */
397 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
398 #endif
399 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
400 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
401 	db_printf(" scanvalid %u", vap->iv_scanvalid);
402 	db_printf("\n");
403 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
404 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
405 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
406 	db_printf("\n");
407 	db_printf("\tscanreq_flags 0x%x", vap->iv_scanreq_flags);
408 	db_printf(" scanreq_nssid %d", vap->iv_scanreq_nssid);
409 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
410 		_db_show_ssid(" scanreq_ssid[%u]", i,
411 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
412 	db_printf(" roaming %d", vap->iv_roaming);
413 	db_printf("\n");
414 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
415 		if (isset(ic->ic_modecaps, i)) {
416 			_db_show_roamparams("\troamparms[%s]",
417 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
418 			db_printf("\n");
419 		}
420 
421 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
422 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
423 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
424 	db_printf("\n");
425 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
426 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
427 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
428 	db_printf("\n");
429 
430 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
431 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
432 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
433 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
434 	db_printf("\n");
435 
436 	db_printf("\tmax_aid %u", vap->iv_max_aid);
437 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
438 	db_printf("\n");
439 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
440 	db_printf(" ps_sta %u", vap->iv_ps_sta);
441 	db_printf(" ps_pending %u", vap->iv_ps_pending);
442 	db_printf(" tim_len %u", vap->iv_tim_len);
443 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
444 	db_printf("\n");
445 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
446 	db_printf(" dtim_count %u", vap->iv_dtim_count);
447 	db_printf(" set_tim %p", vap->iv_set_tim);
448 	db_printf(" csa_count %d", vap->iv_csa_count);
449 	db_printf("\n");
450 
451 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
452 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
453 	db_printf(" inact_timer %d", vap->iv_inact_timer);
454 	db_printf("\n");
455 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
456 		if (isset(ic->ic_modecaps, i)) {
457 			_db_show_txparams("\ttxparms[%s]",
458 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
459 			db_printf("\n");
460 		}
461 
462 	/* application-specified IE's to attach to mgt frames */
463 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
464 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
465 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
466 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
467 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
468 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
469 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
470 		if (vap->iv_wpa_ie != NULL)
471 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
472 		if (vap->iv_rsn_ie != NULL)
473 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
474 		db_printf("\n");
475 	}
476 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
477 	db_printf(" def_txkey %d", vap->iv_def_txkey);
478 	db_printf("\n");
479 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
480 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
481 
482 	db_printf("\tauth %p(%s)", vap->iv_auth, vap->iv_auth->ia_name);
483 	db_printf(" ec %p", vap->iv_ec);
484 
485 	db_printf(" acl %p", vap->iv_acl);
486 	db_printf(" as %p", vap->iv_as);
487 	db_printf("\n");
488 #ifdef IEEE80211_SUPPORT_MESH
489 	if (showmesh && vap->iv_mesh != NULL)
490 		_db_show_mesh(vap->iv_mesh);
491 #endif
492 #ifdef IEEE80211_SUPPORT_TDMA
493 	if (vap->iv_tdma != NULL)
494 		_db_show_tdma("\t", vap->iv_tdma, showprocs);
495 #endif /* IEEE80211_SUPPORT_TDMA */
496 	if (showprocs) {
497 		DB_PRINTSYM("\t", "iv_key_alloc", vap->iv_key_alloc);
498 		DB_PRINTSYM("\t", "iv_key_delete", vap->iv_key_delete);
499 		DB_PRINTSYM("\t", "iv_key_set", vap->iv_key_set);
500 		DB_PRINTSYM("\t", "iv_key_update_begin", vap->iv_key_update_begin);
501 		DB_PRINTSYM("\t", "iv_key_update_end", vap->iv_key_update_end);
502 		DB_PRINTSYM("\t", "iv_opdetach", vap->iv_opdetach);
503 		DB_PRINTSYM("\t", "iv_input", vap->iv_input);
504 		DB_PRINTSYM("\t", "iv_recv_mgmt", vap->iv_recv_mgmt);
505 		DB_PRINTSYM("\t", "iv_deliver_data", vap->iv_deliver_data);
506 		DB_PRINTSYM("\t", "iv_bmiss", vap->iv_bmiss);
507 		DB_PRINTSYM("\t", "iv_reset", vap->iv_reset);
508 		DB_PRINTSYM("\t", "iv_update_beacon", vap->iv_update_beacon);
509 		DB_PRINTSYM("\t", "iv_newstate", vap->iv_newstate);
510 		DB_PRINTSYM("\t", "iv_output", vap->iv_output);
511 	}
512 }
513 
514 static void
515 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta,
516     int showmesh, int showprocs)
517 {
518 	struct ieee80211vap *vap;
519 
520 	db_printf("%p:", ic);
521 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
522 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
523 	db_printf("\n");
524 	db_printf("\tsoftc %p", ic->ic_softc);
525 	db_printf("\tname %s", ic->ic_name);
526 	db_printf(" comlock %p", &ic->ic_comlock);
527 	db_printf("\n");
528 	db_printf("\theadroom %d", ic->ic_headroom);
529 	db_printf(" phytype %d", ic->ic_phytype);
530 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
531 	db_printf("\n");
532 	db_printf(" inact %p", &ic->ic_inact);
533 	db_printf("\n");
534 
535 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
536 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
537 	db_printf("\tflags_ht=%b\n", ic->ic_flags_ht, IEEE80211_FHT_BITS);
538 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
539 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
540 	db_printf("\tcryptocaps=%b\n",
541 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
542 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
543 
544 #if 0
545 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
546 #endif
547 	db_printf("\tcurmode %u", ic->ic_curmode);
548 	db_printf(" promisc %u", ic->ic_promisc);
549 	db_printf(" allmulti %u", ic->ic_allmulti);
550 	db_printf(" nrunning %u", ic->ic_nrunning);
551 	db_printf("\n");
552 	db_printf("\tbintval %u", ic->ic_bintval);
553 	db_printf(" lintval %u", ic->ic_lintval);
554 	db_printf(" holdover %u", ic->ic_holdover);
555 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
556 	db_printf("\n");
557 #if 0
558 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
559 #endif
560 	/*
561 	 * Channel state:
562 	 *
563 	 * ic_channels is the set of available channels for the device;
564 	 *    it is setup by the driver
565 	 * ic_nchans is the number of valid entries in ic_channels
566 	 * ic_chan_avail is a bit vector of these channels used to check
567 	 *    whether a channel is available w/o searching the channel table.
568 	 * ic_chan_active is a (potentially) constrained subset of
569 	 *    ic_chan_avail that reflects any mode setting or user-specified
570 	 *    limit on the set of channels to use/scan
571 	 * ic_curchan is the current channel the device is set to; it may
572 	 *    be different from ic_bsschan when we are off-channel scanning
573 	 *    or otherwise doing background work
574 	 * ic_bsschan is the channel selected for operation; it may
575 	 *    be undefined (IEEE80211_CHAN_ANYC)
576 	 * ic_prevchan is a cached ``previous channel'' used to optimize
577 	 *    lookups when switching back+forth between two channels
578 	 *    (e.g. for dynamic turbo)
579 	 */
580 	db_printf("\tnchans %d", ic->ic_nchans);
581 #if 0
582 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
583 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
584 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
585 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
586 #endif
587 	db_printf("\n");
588 	_db_show_channel("\tcurchan", ic->ic_curchan);
589 	db_printf("\n");
590 	_db_show_channel("\tbsschan", ic->ic_bsschan);
591 	db_printf("\n");
592 	_db_show_channel("\tprevchan", ic->ic_prevchan);
593 	db_printf("\n");
594 	db_printf("\tregdomain %p", &ic->ic_regdomain);
595 	db_printf("\n");
596 
597 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
598 	db_printf(" csa_count %d", ic->ic_csa_count);
599 	db_printf( "dfs %p", &ic->ic_dfs);
600 	db_printf("\n");
601 
602 	db_printf("\tscan %p", ic->ic_scan);
603 	db_printf(" lastdata %d", ic->ic_lastdata);
604 	db_printf(" lastscan %d", ic->ic_lastscan);
605 	db_printf("\n");
606 
607 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
608 	db_printf(" hash_key 0x%x", ic->ic_hash_key);
609 	db_printf(" wme %p", &ic->ic_wme);
610 	if (!showsta)
611 		db_printf(" sta %p", &ic->ic_sta);
612 	db_printf("\n");
613 	db_printf("\tstageq@%p:\n", &ic->ic_stageq);
614 	_db_show_ageq("\t", &ic->ic_stageq);
615 	if (showsta)
616 		_db_show_node_table("\t", &ic->ic_sta);
617 
618 	db_printf("\tprotmode %d", ic->ic_protmode);
619 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
620 	db_printf(" longslotsta %u", ic->ic_longslotsta);
621 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
622 	db_printf("\n");
623 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
624 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
625 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
626 	db_printf("\n");
627 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
628 	db_printf(" htprotmode %d", ic->ic_htprotmode);
629 	db_printf(" lastnonht %d", ic->ic_lastnonht);
630 	db_printf("\n");
631 
632 	db_printf("\tsuperg %p\n", ic->ic_superg);
633 
634 	db_printf("\tmontaps %d th %p txchan %p rh %p rxchan %p\n",
635 	    ic->ic_montaps, ic->ic_th, ic->ic_txchan, ic->ic_rh, ic->ic_rxchan);
636 
637 	if (showprocs) {
638 		DB_PRINTSYM("\t", "ic_vap_create", ic->ic_vap_create);
639 		DB_PRINTSYM("\t", "ic_vap_delete", ic->ic_vap_delete);
640 #if 0
641 		/* operating mode attachment */
642 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
643 #endif
644 		DB_PRINTSYM("\t", "ic_newassoc", ic->ic_newassoc);
645 		DB_PRINTSYM("\t", "ic_getradiocaps", ic->ic_getradiocaps);
646 		DB_PRINTSYM("\t", "ic_setregdomain", ic->ic_setregdomain);
647 		DB_PRINTSYM("\t", "ic_send_mgmt", ic->ic_send_mgmt);
648 		DB_PRINTSYM("\t", "ic_raw_xmit", ic->ic_raw_xmit);
649 		DB_PRINTSYM("\t", "ic_updateslot", ic->ic_updateslot);
650 		DB_PRINTSYM("\t", "ic_update_mcast", ic->ic_update_mcast);
651 		DB_PRINTSYM("\t", "ic_update_promisc", ic->ic_update_promisc);
652 		DB_PRINTSYM("\t", "ic_node_alloc", ic->ic_node_alloc);
653 		DB_PRINTSYM("\t", "ic_node_free", ic->ic_node_free);
654 		DB_PRINTSYM("\t", "ic_node_cleanup", ic->ic_node_cleanup);
655 		DB_PRINTSYM("\t", "ic_node_getrssi", ic->ic_node_getrssi);
656 		DB_PRINTSYM("\t", "ic_node_getsignal", ic->ic_node_getsignal);
657 		DB_PRINTSYM("\t", "ic_node_getmimoinfo", ic->ic_node_getmimoinfo);
658 		DB_PRINTSYM("\t", "ic_scan_start", ic->ic_scan_start);
659 		DB_PRINTSYM("\t", "ic_scan_end", ic->ic_scan_end);
660 		DB_PRINTSYM("\t", "ic_set_channel", ic->ic_set_channel);
661 		DB_PRINTSYM("\t", "ic_scan_curchan", ic->ic_scan_curchan);
662 		DB_PRINTSYM("\t", "ic_scan_mindwell", ic->ic_scan_mindwell);
663 		DB_PRINTSYM("\t", "ic_recv_action", ic->ic_recv_action);
664 		DB_PRINTSYM("\t", "ic_send_action", ic->ic_send_action);
665 		DB_PRINTSYM("\t", "ic_addba_request", ic->ic_addba_request);
666 		DB_PRINTSYM("\t", "ic_addba_response", ic->ic_addba_response);
667 		DB_PRINTSYM("\t", "ic_addba_stop", ic->ic_addba_stop);
668 	}
669 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
670 		db_printf("\n");
671 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
672 			_db_show_vap(vap, showmesh, showprocs);
673 	}
674 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
675 		const struct ieee80211_node_table *nt = &ic->ic_sta;
676 		const struct ieee80211_node *ni;
677 
678 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
679 			db_printf("\n");
680 			_db_show_sta(ni);
681 		}
682 	}
683 }
684 
685 static void
686 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
687 {
688 	int i;
689 
690 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
691 	db_printf("%s nodelock %p", tag, &nt->nt_nodelock);
692 	db_printf(" inact_init %d", nt->nt_inact_init);
693 	db_printf(" scanlock %p", &nt->nt_scanlock);
694 	db_printf(" scangen %u\n", nt->nt_scangen);
695 	db_printf("%s keyixmax %d keyixmap %p\n",
696 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
697 	for (i = 0; i < nt->nt_keyixmax; i++) {
698 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
699 		if (ni != NULL)
700 			db_printf("%s [%3u] %p %s\n", tag, i, ni,
701 			    ether_sprintf(ni->ni_macaddr));
702 	}
703 }
704 
705 static void
706 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
707 {
708 	db_printf("%s ", tag);
709 	if (c == NULL)
710 		db_printf("<NULL>");
711 	else if (c == IEEE80211_CHAN_ANYC)
712 		db_printf("<ANY>");
713 	else
714 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
715 		    c->ic_freq, c->ic_ieee,
716 		    c->ic_flags, IEEE80211_CHAN_BITS,
717 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
718 		    c->ic_state, c->ic_extieee);
719 }
720 
721 static void
722 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
723 {
724 	const uint8_t *p;
725 	int i;
726 
727 	db_printf(tag, ix);
728 
729 	if (len > IEEE80211_NWID_LEN)
730 		len = IEEE80211_NWID_LEN;
731 	/* determine printable or not */
732 	for (i = 0, p = ssid; i < len; i++, p++) {
733 		if (*p < ' ' || *p > 0x7e)
734 			break;
735 	}
736 	if (i == len) {
737 		db_printf("\"");
738 		for (i = 0, p = ssid; i < len; i++, p++)
739 			db_printf("%c", *p);
740 		db_printf("\"");
741 	} else {
742 		db_printf("0x");
743 		for (i = 0, p = ssid; i < len; i++, p++)
744 			db_printf("%02x", *p);
745 	}
746 }
747 
748 static void
749 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
750 {
751 	const uint8_t *p;
752 	int i;
753 
754 	if (ie == NULL)
755 		return;
756 	db_printf("%s [0x", tag);
757 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
758 		db_printf("%02x", *p);
759 	db_printf("]\n");
760 }
761 
762 static void
763 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
764 {
765 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
766 	const struct ieee80211_cipher *cip = wk->wk_cipher;
767 	int keylen = wk->wk_keylen;
768 
769 	db_printf(tag, ix);
770 	switch (cip->ic_cipher) {
771 	case IEEE80211_CIPHER_WEP:
772 		/* compatibility */
773 		db_printf(" wepkey %u:%s", wk->wk_keyix,
774 		    keylen <= 5 ? "40-bit" :
775 		    keylen <= 13 ? "104-bit" : "128-bit");
776 		break;
777 	case IEEE80211_CIPHER_TKIP:
778 		if (keylen > 128/8)
779 			keylen -= 128/8;	/* ignore MIC for now */
780 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
781 		break;
782 	case IEEE80211_CIPHER_AES_OCB:
783 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
784 		break;
785 	case IEEE80211_CIPHER_AES_CCM:
786 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
787 		break;
788 	case IEEE80211_CIPHER_CKIP:
789 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
790 		break;
791 	case IEEE80211_CIPHER_NONE:
792 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
793 		break;
794 	default:
795 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
796 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
797 		break;
798 	}
799 	if (wk->wk_rxkeyix != wk->wk_keyix)
800 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
801 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
802 		int i;
803 
804 		db_printf(" <");
805 		for (i = 0; i < keylen; i++)
806 			db_printf("%02x", wk->wk_key[i]);
807 		db_printf(">");
808 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
809 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
810 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
811 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
812 		    wk->wk_keytsc != 0)
813 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
814 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
815 	}
816 	db_printf("\n");
817 }
818 
819 static void
820 printrate(const char *tag, int v)
821 {
822 	if (v == IEEE80211_FIXED_RATE_NONE)
823 		db_printf(" %s <none>", tag);
824 	else if (v == 11)
825 		db_printf(" %s 5.5", tag);
826 	else if (v & IEEE80211_RATE_MCS)
827 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
828 	else
829 		db_printf(" %s %d", tag, v/2);
830 }
831 
832 static void
833 _db_show_roamparams(const char *tag, const void *arg,
834     const struct ieee80211_roamparam *rp)
835 {
836 
837 	db_printf(tag, arg);
838 	if (rp->rssi & 1)
839 		db_printf(" rssi %u.5", rp->rssi/2);
840 	else
841 		db_printf(" rssi %u", rp->rssi/2);
842 	printrate("rate", rp->rate);
843 }
844 
845 static void
846 _db_show_txparams(const char *tag, const void *arg,
847     const struct ieee80211_txparam *tp)
848 {
849 
850 	db_printf(tag, arg);
851 	printrate("ucastrate", tp->ucastrate);
852 	printrate("mcastrate", tp->mcastrate);
853 	printrate("mgmtrate", tp->mgmtrate);
854 	db_printf(" maxretry %d", tp->maxretry);
855 }
856 
857 static void
858 _db_show_ageq(const char *tag, const struct ieee80211_ageq *q)
859 {
860 	const struct mbuf *m;
861 
862 	db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n",
863 	    tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops,
864 	    q->aq_head, q->aq_tail);
865 	for (m = q->aq_head; m != NULL; m = m->m_nextpkt)
866 		db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len,
867 		    /* XXX could be either TX or RX but is mostly TX */
868 		    m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS);
869 }
870 
871 static void
872 _db_show_stats(const struct ieee80211_stats *is)
873 {
874 }
875 
876 #ifdef IEEE80211_SUPPORT_MESH
877 static void
878 _db_show_mesh(const struct ieee80211_mesh_state *ms)
879 {
880 	struct ieee80211_mesh_route *rt;
881 	int i;
882 
883 	_db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id);
884 	db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq,
885 	    ms->ms_ttl, ms->ms_flags);
886 	db_printf("routing table:\n");
887 	i = 0;
888 	TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) {
889 		db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i,
890 		    rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric);
891 
892 		db_printf("\tlifetime: %u lastseq: %u priv: %p\n",
893 		    ieee80211_mesh_rt_update(rt, 0),
894 		    rt->rt_lastmseq, rt->rt_priv);
895 		i++;
896 	}
897 }
898 #endif /* IEEE80211_SUPPORT_MESH */
899 #endif /* DDB */
900