xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
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_route.h"
31 #include "opt_wlan.h"
32 
33 #ifdef DDB
34 /*
35  * IEEE 802.11 DDB support
36  */
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/socket.h>
41 #include <sys/vimage.h>
42 
43 #include <net/if.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/route.h>
49 #include <net/vnet.h>
50 
51 #include <net80211/ieee80211_var.h>
52 
53 #include <ddb/ddb.h>
54 #include <ddb/db_sym.h>
55 
56 #define DB_PRINTSYM(prefix, addr) \
57 	db_printf(prefix " "); \
58 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
59 	db_printf("\n");
60 
61 static void _db_show_sta(const struct ieee80211_node *);
62 static void _db_show_vap(const struct ieee80211vap *, int);
63 static void _db_show_com(const struct ieee80211com *,
64 	int showvaps, int showsta, int showprocs);
65 
66 static void _db_show_node_table(const char *tag,
67 	const struct ieee80211_node_table *);
68 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
69 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
70 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
71 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
72 static void _db_show_roamparams(const char *tag, const void *arg,
73 	const struct ieee80211_roamparam *rp);
74 static void _db_show_txparams(const char *tag, const void *arg,
75 	const struct ieee80211_txparam *tp);
76 static void _db_show_stats(const struct ieee80211_stats *);
77 
78 DB_SHOW_COMMAND(sta, db_show_sta)
79 {
80 	if (!have_addr) {
81 		db_printf("usage: show sta <addr>\n");
82 		return;
83 	}
84 	_db_show_sta((const struct ieee80211_node *) addr);
85 }
86 
87 DB_SHOW_COMMAND(statab, db_show_statab)
88 {
89 	if (!have_addr) {
90 		db_printf("usage: show statab <addr>\n");
91 		return;
92 	}
93 	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
94 }
95 
96 DB_SHOW_COMMAND(vap, db_show_vap)
97 {
98 	int i, showprocs = 0;
99 
100 	if (!have_addr) {
101 		db_printf("usage: show vap <addr>\n");
102 		return;
103 	}
104 	for (i = 0; modif[i] != '\0'; i++)
105 		switch (modif[i]) {
106 		case 'a':
107 			showprocs = 1;
108 			break;
109 		case 'p':
110 			showprocs = 1;
111 			break;
112 		}
113 	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
114 }
115 
116 DB_SHOW_COMMAND(com, db_show_com)
117 {
118 	const struct ieee80211com *ic;
119 	int i, showprocs = 0, showvaps = 0, showsta = 0;
120 
121 	if (!have_addr) {
122 		db_printf("usage: show com <addr>\n");
123 		return;
124 	}
125 	for (i = 0; modif[i] != '\0'; i++)
126 		switch (modif[i]) {
127 		case 'a':
128 			showsta = showvaps = showprocs = 1;
129 			break;
130 		case 's':
131 			showsta = 1;
132 			break;
133 		case 'v':
134 			showvaps = 1;
135 			break;
136 		case 'p':
137 			showprocs = 1;
138 			break;
139 		}
140 
141 	ic = (const struct ieee80211com *) addr;
142 	_db_show_com(ic, showvaps, showsta, showprocs);
143 }
144 
145 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
146 {
147 	VNET_ITERATOR_DECL(vnet_iter);
148 	const struct ifnet *ifp;
149 	int i, showall = 0;
150 
151 	for (i = 0; modif[i] != '\0'; i++)
152 		switch (modif[i]) {
153 		case 'a':
154 			showall = 1;
155 			break;
156 		}
157 
158 	VNET_FOREACH(vnet_iter) {
159 		INIT_VNET_NET(vnet_iter);
160 		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
161 			if (ifp->if_type == IFT_IEEE80211) {
162 				const struct ieee80211com *ic = ifp->if_l2com;
163 
164 				if (!showall) {
165 					const struct ieee80211vap *vap;
166 					db_printf("%s: com %p vaps:",
167 					    ifp->if_xname, ic);
168 					TAILQ_FOREACH(vap, &ic->ic_vaps,
169 					    iv_next)
170 						db_printf(" %s(%p)",
171 						    vap->iv_ifp->if_xname, vap);
172 					db_printf("\n");
173 				} else
174 					_db_show_com(ic, 1, 1, 1);
175 			}
176 	}
177 }
178 
179 static void
180 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
181 {
182 	db_printf("%stxampdu[%d]: %p flags %b ac %u\n",
183 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS, tap->txa_ac);
184 	db_printf("%s  token %u qbytes %d qframes %d start %u wnd %u\n",
185 		sep, tap->txa_token, tap->txa_qbytes, tap->txa_qframes,
186 		tap->txa_start, tap->txa_wnd);
187 	db_printf("%s  attempts %d nextrequest %d\n",
188 		sep, tap->txa_attempts, tap->txa_nextrequest);
189 	/* XXX packet q + timer */
190 }
191 
192 static void
193 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
194 {
195 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
196 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
197 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
198 		sep, rap->rxa_qbytes, rap->rxa_qframes,
199 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
200 	db_printf("%s  age %d nframes %d\n",
201 		sep, rap->rxa_age, rap->rxa_nframes);
202 }
203 
204 static void
205 _db_show_sta(const struct ieee80211_node *ni)
206 {
207 	int i;
208 
209 	db_printf("0x%p: mac %s refcnt %d\n", ni,
210 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
211 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
212 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
213 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
214 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
215 		ni->ni_scangen, ni->ni_authmode,
216 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
217 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
218 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
219 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
220 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
221 		ni->ni_challenge);
222 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
223 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
224 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
225 		ni->ni_ies.ath_ie);
226 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
227 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
228 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
229 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
230 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
231 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
232 		ni->ni_rxfragstamp);
233 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
234 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
235 	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
236 	db_printf("\trstamp %u avgrssi 0x%x (rssi %d) noise %d\n",
237 		ni->ni_rstamp, ni->ni_avgrssi,
238 		IEEE80211_RSSI_GET(ni->ni_avgrssi), ni->ni_noise);
239 	db_printf("\tintval %u capinfo %b\n",
240 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
241 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
242 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
243 	db_printf("\n");
244 	_db_show_channel("\tchannel", ni->ni_chan);
245 	db_printf("\n");
246 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
247 		ni->ni_erp, IEEE80211_ERP_BITS,
248 		ni->ni_dtim_period, ni->ni_dtim_count);
249 
250 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
251 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
252 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
253 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
254 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
255 
256 	/* XXX ampdu state */
257 	for (i = 0; i < WME_NUM_AC; i++)
258 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
259 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
260 	for (i = 0; i < WME_NUM_TID; i++)
261 		if (ni->ni_rx_ampdu[i].rxa_nframes)
262 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
263 
264 	db_printf("\tinact %u inact_reload %u txrate %u\n",
265 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
266 	/* XXX savedq */
267 	/* XXX wdsq */
268 }
269 
270 static void
271 _db_show_vap(const struct ieee80211vap *vap, int showprocs)
272 {
273 	const struct ieee80211com *ic = vap->iv_ic;
274 	int i;
275 
276 	db_printf("%p:", vap);
277 	db_printf(" bss %p", vap->iv_bss);
278 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
279 	db_printf("\n");
280 
281 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
282 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
283 	db_printf(" ifp %p", vap->iv_ifp);
284 	db_printf("\n");
285 
286 	db_printf("\tic %p", vap->iv_ic);
287 	db_printf(" media %p", &vap->iv_media);
288 	db_printf(" bpf_if %p", vap->iv_rawbpf);
289 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
290 #if 0
291 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
292 #endif
293 	db_printf("\n");
294 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
295 
296 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
297 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
298 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
299 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
300 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
301 
302 	_db_show_stats(&vap->iv_stats);
303 
304 	db_printf("\tinact_init %d", vap->iv_inact_init);
305 	db_printf(" inact_auth %d", vap->iv_inact_auth);
306 	db_printf(" inact_run %d", vap->iv_inact_run);
307 	db_printf(" inact_probe %d", vap->iv_inact_probe);
308 	db_printf("\n");
309 
310 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
311 	if (vap->iv_des_nssid)
312 		_db_show_ssid(" des_ssid[%u] ", 0,
313 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
314 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
315 	db_printf("\n");
316 	db_printf("\tdes_mode %d", vap->iv_des_mode);
317 	_db_show_channel(" des_chan", vap->iv_des_chan);
318 	db_printf("\n");
319 #if 0
320 	int			iv_nicknamelen;	/* XXX junk */
321 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
322 #endif
323 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
324 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
325 	db_printf(" scanvalid %u", vap->iv_scanvalid);
326 	db_printf("\n");
327 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
328 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
329 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
330 	db_printf("\n");
331 	db_printf(" scanreq_flags 0x%x", vap->iv_scanreq_flags);
332 	db_printf("\tscanreq_nssid %d", vap->iv_scanreq_nssid);
333 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
334 		_db_show_ssid(" scanreq_ssid[%u]", i,
335 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
336 	db_printf(" roaming %d", vap->iv_roaming);
337 	db_printf("\n");
338 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
339 		if (isset(ic->ic_modecaps, i)) {
340 			_db_show_roamparams("\troamparms[%s]",
341 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
342 			db_printf("\n");
343 		}
344 
345 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
346 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
347 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
348 	db_printf("\n");
349 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
350 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
351 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
352 	db_printf("\n");
353 
354 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
355 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
356 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
357 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
358 	db_printf("\n");
359 
360 	db_printf("\tmax_aid %u", vap->iv_max_aid);
361 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
362 	db_printf("\n");
363 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
364 	db_printf(" ps_sta %u", vap->iv_ps_sta);
365 	db_printf(" ps_pending %u", vap->iv_ps_pending);
366 	db_printf(" tim_len %u", vap->iv_tim_len);
367 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
368 	db_printf("\n");
369 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
370 	db_printf(" dtim_count %u", vap->iv_dtim_count);
371 	db_printf(" set_tim %p", vap->iv_set_tim);
372 	db_printf(" csa_count %d", vap->iv_csa_count);
373 	db_printf("\n");
374 
375 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
376 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
377 	db_printf(" inact_timer %d", vap->iv_inact_timer);
378 	db_printf("\n");
379 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
380 		if (isset(ic->ic_modecaps, i)) {
381 			_db_show_txparams("\ttxparms[%s]",
382 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
383 			db_printf("\n");
384 		}
385 
386 	/* application-specified IE's to attach to mgt frames */
387 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
388 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
389 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
390 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
391 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
392 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
393 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
394 		if (vap->iv_wpa_ie != NULL)
395 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
396 		if (vap->iv_rsn_ie != NULL)
397 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
398 		db_printf("\n");
399 	}
400 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
401 	db_printf(" def_txkey %d", vap->iv_def_txkey);
402 	db_printf("\n");
403 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
404 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
405 
406 	db_printf("\tauth %p", vap->iv_auth);
407 	db_printf(" ec %p", vap->iv_ec);
408 
409 	db_printf(" acl %p", vap->iv_acl);
410 	db_printf(" as %p", vap->iv_as);
411 	db_printf("\n");
412 
413 	if (showprocs) {
414 		DB_PRINTSYM("\tiv_key_alloc", vap->iv_key_alloc);
415 		DB_PRINTSYM("\tiv_key_delete", vap->iv_key_delete);
416 		DB_PRINTSYM("\tiv_key_set", vap->iv_key_set);
417 		DB_PRINTSYM("\tiv_key_update_begin", vap->iv_key_update_begin);
418 		DB_PRINTSYM("\tiv_key_update_end", vap->iv_key_update_end);
419 		DB_PRINTSYM("\tiv_opdetach", vap->iv_opdetach);
420 		DB_PRINTSYM("\tiv_input", vap->iv_input);
421 		DB_PRINTSYM("\tiv_recv_mgmt", vap->iv_recv_mgmt);
422 		DB_PRINTSYM("\tiv_deliver_data", vap->iv_deliver_data);
423 		DB_PRINTSYM("\tiv_bmiss", vap->iv_bmiss);
424 		DB_PRINTSYM("\tiv_reset", vap->iv_reset);
425 		DB_PRINTSYM("\tiv_update_beacon", vap->iv_update_beacon);
426 		DB_PRINTSYM("\tiv_newstate", vap->iv_newstate);
427 		DB_PRINTSYM("\tiv_output", vap->iv_output);
428 	}
429 }
430 
431 static void
432 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
433 {
434 	struct ieee80211vap *vap;
435 
436 	db_printf("%p:", ic);
437 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
438 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
439 	db_printf("\n");
440 	db_printf("\tifp %p", ic->ic_ifp);
441 	db_printf(" comlock %p", &ic->ic_comlock);
442 	db_printf("\n");
443 	db_printf("\theadroom %d", ic->ic_headroom);
444 	db_printf(" phytype %d", ic->ic_phytype);
445 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
446 	db_printf("\n");
447 	db_printf("\tmedia %p", &ic->ic_media);
448 	db_printf(" myaddr %s", ether_sprintf(ic->ic_myaddr));
449 	db_printf(" inact %p", &ic->ic_inact);
450 	db_printf("\n");
451 
452 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
453 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
454 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
455 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
456 	db_printf("\tcryptocaps=%b\n",
457 	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
458 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
459 
460 #if 0
461 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
462 #endif
463 	db_printf("\tcurmode %u", ic->ic_curmode);
464 	db_printf(" promisc %u", ic->ic_promisc);
465 	db_printf(" allmulti %u", ic->ic_allmulti);
466 	db_printf(" nrunning %u", ic->ic_nrunning);
467 	db_printf("\n");
468 	db_printf("\tbintval %u", ic->ic_bintval);
469 	db_printf(" lintval %u", ic->ic_lintval);
470 	db_printf(" holdover %u", ic->ic_holdover);
471 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
472 	db_printf("\n");
473 #if 0
474 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
475 #endif
476 	/*
477 	 * Channel state:
478 	 *
479 	 * ic_channels is the set of available channels for the device;
480 	 *    it is setup by the driver
481 	 * ic_nchans is the number of valid entries in ic_channels
482 	 * ic_chan_avail is a bit vector of these channels used to check
483 	 *    whether a channel is available w/o searching the channel table.
484 	 * ic_chan_active is a (potentially) constrained subset of
485 	 *    ic_chan_avail that reflects any mode setting or user-specified
486 	 *    limit on the set of channels to use/scan
487 	 * ic_curchan is the current channel the device is set to; it may
488 	 *    be different from ic_bsschan when we are off-channel scanning
489 	 *    or otherwise doing background work
490 	 * ic_bsschan is the channel selected for operation; it may
491 	 *    be undefined (IEEE80211_CHAN_ANYC)
492 	 * ic_prevchan is a cached ``previous channel'' used to optimize
493 	 *    lookups when switching back+forth between two channels
494 	 *    (e.g. for dynamic turbo)
495 	 */
496 	db_printf("\tnchans %d", ic->ic_nchans);
497 #if 0
498 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
499 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
500 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
501 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
502 #endif
503 	db_printf("\n");
504 	_db_show_channel("\tcurchan", ic->ic_curchan);
505 	db_printf("\n");
506 	_db_show_channel("\tbsschan", ic->ic_bsschan);
507 	db_printf("\n");
508 	_db_show_channel("\tprevchan", ic->ic_prevchan);
509 	db_printf("\n");
510 	db_printf("\tregdomain %p", &ic->ic_regdomain);
511 	db_printf("\n");
512 
513 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
514 	db_printf(" csa_count %d", ic->ic_csa_count);
515 	db_printf( "dfs %p", &ic->ic_dfs);
516 	db_printf("\n");
517 
518 	db_printf("\tscan %p", ic->ic_scan);
519 	db_printf(" lastdata %d", ic->ic_lastdata);
520 	db_printf(" lastscan %d", ic->ic_lastscan);
521 	db_printf("\n");
522 
523 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
524 	db_printf(" wme %p", &ic->ic_wme);
525 	if (!showsta)
526 		db_printf(" sta %p", &ic->ic_sta);
527 	db_printf("\n");
528 	if (showsta)
529 		_db_show_node_table("\t", &ic->ic_sta);
530 
531 	db_printf("\tprotmode %d", ic->ic_protmode);
532 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
533 	db_printf(" longslotsta %u", ic->ic_longslotsta);
534 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
535 	db_printf("\n");
536 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
537 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
538 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
539 	db_printf("\n");
540 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
541 	db_printf(" htprotmode %d", ic->ic_htprotmode);
542 	db_printf(" lastnonht %d", ic->ic_lastnonht);
543 	db_printf("\n");
544 
545 	if (showprocs) {
546 		DB_PRINTSYM("\tic_vap_create", ic->ic_vap_create);
547 		DB_PRINTSYM("\tic_vap_delete", ic->ic_vap_delete);
548 #if 0
549 		/* operating mode attachment */
550 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
551 #endif
552 		DB_PRINTSYM("\tic_newassoc", ic->ic_newassoc);
553 		DB_PRINTSYM("\tic_getradiocaps", ic->ic_getradiocaps);
554 		DB_PRINTSYM("\tic_setregdomain", ic->ic_setregdomain);
555 		DB_PRINTSYM("\tic_send_mgmt", ic->ic_send_mgmt);
556 		DB_PRINTSYM("\tic_raw_xmit", ic->ic_raw_xmit);
557 		DB_PRINTSYM("\tic_updateslot", ic->ic_updateslot);
558 		DB_PRINTSYM("\tic_update_mcast", ic->ic_update_mcast);
559 		DB_PRINTSYM("\tic_update_promisc", ic->ic_update_promisc);
560 		DB_PRINTSYM("\tic_node_alloc", ic->ic_node_alloc);
561 		DB_PRINTSYM("\tic_node_free", ic->ic_node_free);
562 		DB_PRINTSYM("\tic_node_cleanup", ic->ic_node_cleanup);
563 		DB_PRINTSYM("\tic_node_getrssi", ic->ic_node_getrssi);
564 		DB_PRINTSYM("\tic_node_getsignal", ic->ic_node_getsignal);
565 		DB_PRINTSYM("\tic_node_getmimoinfo", ic->ic_node_getmimoinfo);
566 		DB_PRINTSYM("\tic_scan_start", ic->ic_scan_start);
567 		DB_PRINTSYM("\tic_scan_end", ic->ic_scan_end);
568 		DB_PRINTSYM("\tic_set_channel", ic->ic_set_channel);
569 		DB_PRINTSYM("\tic_scan_curchan", ic->ic_scan_curchan);
570 		DB_PRINTSYM("\tic_scan_mindwell", ic->ic_scan_mindwell);
571 		DB_PRINTSYM("\tic_recv_action", ic->ic_recv_action);
572 		DB_PRINTSYM("\tic_send_action", ic->ic_send_action);
573 		DB_PRINTSYM("\tic_addba_request", ic->ic_addba_request);
574 		DB_PRINTSYM("\tic_addba_response", ic->ic_addba_response);
575 		DB_PRINTSYM("\tic_addba_stop", ic->ic_addba_stop);
576 	}
577 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
578 		db_printf("\n");
579 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
580 			_db_show_vap(vap, showprocs);
581 	}
582 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
583 		const struct ieee80211_node_table *nt = &ic->ic_sta;
584 		const struct ieee80211_node *ni;
585 
586 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
587 			db_printf("\n");
588 			_db_show_sta(ni);
589 		}
590 	}
591 }
592 
593 static void
594 _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
595 {
596 	int i;
597 
598 	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
599 	db_printf("%s  nodelock %p", tag, &nt->nt_nodelock);
600 	db_printf(" inact_init %d", nt->nt_inact_init);
601 	db_printf(" scanlock %p", &nt->nt_scanlock);
602 	db_printf(" scangen %u\n", nt->nt_scangen);
603 	db_printf("%s  keyixmax %d keyixmap %p\n",
604 	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
605 	for (i = 0; i < nt->nt_keyixmax; i++) {
606 		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
607 		if (ni != NULL)
608 			db_printf("%s  [%3u] %p %s\n", tag, i, ni,
609 			    ether_sprintf(ni->ni_macaddr));
610 	}
611 }
612 
613 static void
614 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
615 {
616 	db_printf("%s ", tag);
617 	if (c == NULL)
618 		db_printf("<NULL>");
619 	else if (c == IEEE80211_CHAN_ANYC)
620 		db_printf("<ANY>");
621 	else
622 		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
623 		    c->ic_freq, c->ic_ieee,
624 		    c->ic_flags, IEEE80211_CHAN_BITS,
625 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
626 		    c->ic_state, c->ic_extieee);
627 }
628 
629 static void
630 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
631 {
632 	const uint8_t *p;
633 	int i;
634 
635 	db_printf(tag, ix);
636 
637 	if (len > IEEE80211_NWID_LEN)
638 		len = IEEE80211_NWID_LEN;
639 	/* determine printable or not */
640 	for (i = 0, p = ssid; i < len; i++, p++) {
641 		if (*p < ' ' || *p > 0x7e)
642 			break;
643 	}
644 	if (i == len) {
645 		db_printf("\"");
646 		for (i = 0, p = ssid; i < len; i++, p++)
647 			db_printf("%c", *p);
648 		db_printf("\"");
649 	} else {
650 		db_printf("0x");
651 		for (i = 0, p = ssid; i < len; i++, p++)
652 			db_printf("%02x", *p);
653 	}
654 }
655 
656 static void
657 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
658 {
659 	const uint8_t *p;
660 	int i;
661 
662 	if (ie == NULL)
663 		return;
664 	db_printf("%s [0x", tag);
665 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
666 		db_printf("%02x", *p);
667 	db_printf("]\n");
668 }
669 
670 static void
671 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
672 {
673 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
674 	const struct ieee80211_cipher *cip = wk->wk_cipher;
675 	int keylen = wk->wk_keylen;
676 
677 	db_printf(tag, ix);
678 	switch (cip->ic_cipher) {
679 	case IEEE80211_CIPHER_WEP:
680 		/* compatibility */
681 		db_printf(" wepkey %u:%s", wk->wk_keyix,
682 		    keylen <= 5 ? "40-bit" :
683 		    keylen <= 13 ? "104-bit" : "128-bit");
684 		break;
685 	case IEEE80211_CIPHER_TKIP:
686 		if (keylen > 128/8)
687 			keylen -= 128/8;	/* ignore MIC for now */
688 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
689 		break;
690 	case IEEE80211_CIPHER_AES_OCB:
691 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
692 		break;
693 	case IEEE80211_CIPHER_AES_CCM:
694 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
695 		break;
696 	case IEEE80211_CIPHER_CKIP:
697 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
698 		break;
699 	case IEEE80211_CIPHER_NONE:
700 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
701 		break;
702 	default:
703 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
704 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
705 		break;
706 	}
707 	if (wk->wk_rxkeyix != wk->wk_keyix)
708 		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
709 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
710 		int i;
711 
712 		db_printf(" <");
713 		for (i = 0; i < keylen; i++)
714 			db_printf("%02x", wk->wk_key[i]);
715 		db_printf(">");
716 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
717 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
718 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
719 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
720 		    wk->wk_keytsc != 0)
721 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
722 		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
723 	}
724 	db_printf("\n");
725 }
726 
727 static void
728 printrate(const char *tag, int v)
729 {
730 	if (v == IEEE80211_FIXED_RATE_NONE)
731 		db_printf(" %s <none>", tag);
732 	else if (v == 11)
733 		db_printf(" %s 5.5", tag);
734 	else if (v & IEEE80211_RATE_MCS)
735 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
736 	else
737 		db_printf(" %s %d", tag, v/2);
738 }
739 
740 static void
741 _db_show_roamparams(const char *tag, const void *arg,
742     const struct ieee80211_roamparam *rp)
743 {
744 
745 	db_printf(tag, arg);
746 	if (rp->rssi & 1)
747 		db_printf(" rssi %u.5", rp->rssi/2);
748 	else
749 		db_printf(" rssi %u", rp->rssi/2);
750 	printrate("rate", rp->rate);
751 }
752 
753 static void
754 _db_show_txparams(const char *tag, const void *arg,
755     const struct ieee80211_txparam *tp)
756 {
757 
758 	db_printf(tag, arg);
759 	printrate("ucastrate", tp->ucastrate);
760 	printrate("mcastrate", tp->mcastrate);
761 	printrate("mgmtrate", tp->mgmtrate);
762 	db_printf(" maxretry %d", tp->maxretry);
763 }
764 
765 static void
766 _db_show_stats(const struct ieee80211_stats *is)
767 {
768 }
769 #endif /* DDB */
770