ieee80211_ddb.c revision 188556
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: head/sys/net80211/ieee80211_ddb.c 188556 2009-02-13 05:31:18Z sam $");
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/socket.h>
40#include <sys/vimage.h>
41
42#include <net/if.h>
43#include <net/if_dl.h>
44#include <net/if_media.h>
45#include <net/if_types.h>
46#include <net/ethernet.h>
47#include <net/vnet.h>
48
49#include <net80211/ieee80211_var.h>
50
51#include <ddb/ddb.h>
52#include <ddb/db_sym.h>
53
54#define DB_PRINTSYM(prefix, addr) \
55	db_printf(prefix " "); \
56	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
57	db_printf("\n");
58
59static void _db_show_sta(const struct ieee80211_node *);
60static void _db_show_vap(const struct ieee80211vap *, int);
61static void _db_show_com(const struct ieee80211com *,
62	int showvaps, int showsta, int showprocs);
63
64static void _db_show_node_table(const char *tag,
65	const struct ieee80211_node_table *);
66static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
67static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
68static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
69static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
70static void _db_show_roamparams(const char *tag, const void *arg,
71	const struct ieee80211_roamparam *rp);
72static void _db_show_txparams(const char *tag, const void *arg,
73	const struct ieee80211_txparam *tp);
74static void _db_show_stats(const struct ieee80211_stats *);
75
76DB_SHOW_COMMAND(sta, db_show_sta)
77{
78	if (!have_addr) {
79		db_printf("usage: show sta <addr>\n");
80		return;
81	}
82	_db_show_sta((const struct ieee80211_node *) addr);
83}
84
85DB_SHOW_COMMAND(statab, db_show_statab)
86{
87	if (!have_addr) {
88		db_printf("usage: show statab <addr>\n");
89		return;
90	}
91	_db_show_node_table("", (const struct ieee80211_node_table *) addr);
92}
93
94DB_SHOW_COMMAND(vap, db_show_vap)
95{
96	int i, showprocs = 0;
97
98	if (!have_addr) {
99		db_printf("usage: show vap <addr>\n");
100		return;
101	}
102	for (i = 0; modif[i] != '\0'; i++)
103		switch (modif[i]) {
104		case 'a':
105			showprocs = 1;
106			break;
107		case 'p':
108			showprocs = 1;
109			break;
110		}
111	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
112}
113
114DB_SHOW_COMMAND(com, db_show_com)
115{
116	const struct ieee80211com *ic;
117	int i, showprocs = 0, showvaps = 0, showsta = 0;
118
119	if (!have_addr) {
120		db_printf("usage: show com <addr>\n");
121		return;
122	}
123	for (i = 0; modif[i] != '\0'; i++)
124		switch (modif[i]) {
125		case 'a':
126			showsta = showvaps = showprocs = 1;
127			break;
128		case 's':
129			showsta = 1;
130			break;
131		case 'v':
132			showvaps = 1;
133			break;
134		case 'p':
135			showprocs = 1;
136			break;
137		}
138
139	ic = (const struct ieee80211com *) addr;
140	_db_show_com(ic, showvaps, showsta, showprocs);
141}
142
143DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
144{
145	VNET_ITERATOR_DECL(vnet_iter);
146	const struct ifnet *ifp;
147	int i, showall = 0;
148
149	for (i = 0; modif[i] != '\0'; i++)
150		switch (modif[i]) {
151		case 'a':
152			showall = 1;
153			break;
154		}
155
156	VNET_FOREACH(vnet_iter) {
157		INIT_VNET_NET(vnet_iter);
158		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
159			if (ifp->if_type == IFT_IEEE80211) {
160				const struct ieee80211com *ic = ifp->if_l2com;
161
162				if (!showall) {
163					const struct ieee80211vap *vap;
164					db_printf("%s: com %p vaps:",
165					    ifp->if_xname, ic);
166					TAILQ_FOREACH(vap, &ic->ic_vaps,
167					    iv_next)
168						db_printf(" %s(%p)",
169						    vap->iv_ifp->if_xname, vap);
170					db_printf("\n");
171				} else
172					_db_show_com(ic, 1, 1, 1);
173			}
174	}
175}
176
177static void
178_db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
179{
180	db_printf("%stxampdu[%d]: %p flags %b ac %u\n",
181		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS, tap->txa_ac);
182	db_printf("%s  token %u qbytes %d qframes %d start %u wnd %u\n",
183		sep, tap->txa_token, tap->txa_qbytes, tap->txa_qframes,
184		tap->txa_start, tap->txa_wnd);
185	db_printf("%s  attempts %d nextrequest %d\n",
186		sep, tap->txa_attempts, tap->txa_nextrequest);
187	/* XXX packet q + timer */
188}
189
190static void
191_db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
192{
193	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
194		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
195	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
196		sep, rap->rxa_qbytes, rap->rxa_qframes,
197		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
198	db_printf("%s  age %d nframes %d\n",
199		sep, rap->rxa_age, rap->rxa_nframes);
200}
201
202static void
203_db_show_sta(const struct ieee80211_node *ni)
204{
205	int i;
206
207	db_printf("0x%p: mac %s refcnt %d\n", ni,
208		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
209	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
210		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
211	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
212	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
213		ni->ni_scangen, ni->ni_authmode,
214		ni->ni_ath_flags, ni->ni_ath_defkeyix);
215	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
216		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
217	db_printf("\tjointime %d (%lu secs) challenge %p\n",
218		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
219		ni->ni_challenge);
220	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
221	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
222		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
223		ni->ni_ies.ath_ie);
224	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
225		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
226	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
227		ni->ni_txseqs[IEEE80211_NONQOS_TID],
228		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
229		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
230		ni->ni_rxfragstamp);
231	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
232		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
233	_db_show_key("\tucastkey", 0, &ni->ni_ucastkey);
234	db_printf("\trstamp %u avgrssi 0x%x (rssi %d) noise %d\n",
235		ni->ni_rstamp, ni->ni_avgrssi,
236		IEEE80211_RSSI_GET(ni->ni_avgrssi), ni->ni_noise);
237	db_printf("\tintval %u capinfo %b\n",
238		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
239	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
240	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
241	db_printf("\n");
242	_db_show_channel("\tchannel", ni->ni_chan);
243	db_printf("\n");
244	db_printf("\terp %b dtim_period %u dtim_count %u\n",
245		ni->ni_erp, IEEE80211_ERP_BITS,
246		ni->ni_dtim_period, ni->ni_dtim_count);
247
248	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
249		ni->ni_htcap, IEEE80211_HTCAP_BITS,
250		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
251	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
252		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
253
254	/* XXX ampdu state */
255	for (i = 0; i < WME_NUM_AC; i++)
256		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
257			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
258	for (i = 0; i < WME_NUM_TID; i++)
259		if (ni->ni_rx_ampdu[i].rxa_nframes)
260			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
261
262	db_printf("\tinact %u inact_reload %u txrate %u\n",
263		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
264	/* XXX savedq */
265	/* XXX wdsq */
266}
267
268static void
269_db_show_vap(const struct ieee80211vap *vap, int showprocs)
270{
271	const struct ieee80211com *ic = vap->iv_ic;
272	int i;
273
274	db_printf("%p:", vap);
275	db_printf(" bss %p", vap->iv_bss);
276	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
277	db_printf("\n");
278
279	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
280	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
281	db_printf(" ifp %p", vap->iv_ifp);
282	db_printf("\n");
283
284	db_printf("\tic %p", vap->iv_ic);
285	db_printf(" media %p", &vap->iv_media);
286	db_printf(" bpf_if %p", vap->iv_rawbpf);
287	db_printf(" mgtsend %p", &vap->iv_mgtsend);
288#if 0
289	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
290#endif
291	db_printf("\n");
292	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
293
294	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
295	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
296	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
297	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
298	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
299
300	_db_show_stats(&vap->iv_stats);
301
302	db_printf("\tinact_init %d", vap->iv_inact_init);
303	db_printf(" inact_auth %d", vap->iv_inact_auth);
304	db_printf(" inact_run %d", vap->iv_inact_run);
305	db_printf(" inact_probe %d", vap->iv_inact_probe);
306	db_printf("\n");
307
308	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
309	if (vap->iv_des_nssid)
310		_db_show_ssid(" des_ssid[%u] ", 0,
311		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
312	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
313	db_printf("\n");
314	db_printf("\tdes_mode %d", vap->iv_des_mode);
315	_db_show_channel(" des_chan", vap->iv_des_chan);
316	db_printf("\n");
317#if 0
318	int			iv_nicknamelen;	/* XXX junk */
319	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
320#endif
321	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
322	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
323	db_printf(" scanvalid %u", vap->iv_scanvalid);
324	db_printf("\n");
325	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
326	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
327	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
328	db_printf("\n");
329	db_printf(" scanreq_flags 0x%x", vap->iv_scanreq_flags);
330	db_printf("\tscanreq_nssid %d", vap->iv_scanreq_nssid);
331	for (i = 0; i < vap->iv_scanreq_nssid; i++)
332		_db_show_ssid(" scanreq_ssid[%u]", i,
333		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
334	db_printf(" roaming %d", vap->iv_roaming);
335	db_printf("\n");
336	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
337		if (isset(ic->ic_modecaps, i)) {
338			_db_show_roamparams("\troamparms[%s]",
339			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
340			db_printf("\n");
341		}
342
343	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
344	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
345	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
346	db_printf("\n");
347	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
348	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
349	db_printf(" swbmiss %p", &vap->iv_swbmiss);
350	db_printf("\n");
351
352	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
353	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
354	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
355	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
356	db_printf("\n");
357
358	db_printf("\tmax_aid %u", vap->iv_max_aid);
359	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
360	db_printf("\n");
361	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
362	db_printf(" ps_sta %u", vap->iv_ps_sta);
363	db_printf(" ps_pending %u", vap->iv_ps_pending);
364	db_printf(" tim_len %u", vap->iv_tim_len);
365	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
366	db_printf("\n");
367	db_printf("\tdtim_period %u", vap->iv_dtim_period);
368	db_printf(" dtim_count %u", vap->iv_dtim_count);
369	db_printf(" set_tim %p", vap->iv_set_tim);
370	db_printf(" csa_count %d", vap->iv_csa_count);
371	db_printf("\n");
372
373	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
374	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
375	db_printf(" inact_timer %d", vap->iv_inact_timer);
376	db_printf("\n");
377	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
378		if (isset(ic->ic_modecaps, i)) {
379			_db_show_txparams("\ttxparms[%s]",
380			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
381			db_printf("\n");
382		}
383
384	/* application-specified IE's to attach to mgt frames */
385	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
386	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
387	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
388	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
389	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
390	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
391	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
392		if (vap->iv_wpa_ie != NULL)
393			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
394		if (vap->iv_rsn_ie != NULL)
395			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
396		db_printf("\n");
397	}
398	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
399	db_printf(" def_txkey %d", vap->iv_def_txkey);
400	db_printf("\n");
401	for (i = 0; i < IEEE80211_WEP_NKID; i++)
402		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
403
404	db_printf("\tauth %p", vap->iv_auth);
405	db_printf(" ec %p", vap->iv_ec);
406
407	db_printf(" acl %p", vap->iv_acl);
408	db_printf(" as %p", vap->iv_as);
409	db_printf("\n");
410
411	if (showprocs) {
412		DB_PRINTSYM("\tiv_key_alloc", vap->iv_key_alloc);
413		DB_PRINTSYM("\tiv_key_delete", vap->iv_key_delete);
414		DB_PRINTSYM("\tiv_key_set", vap->iv_key_set);
415		DB_PRINTSYM("\tiv_key_update_begin", vap->iv_key_update_begin);
416		DB_PRINTSYM("\tiv_key_update_end", vap->iv_key_update_end);
417		DB_PRINTSYM("\tiv_opdetach", vap->iv_opdetach);
418		DB_PRINTSYM("\tiv_input", vap->iv_input);
419		DB_PRINTSYM("\tiv_recv_mgmt", vap->iv_recv_mgmt);
420		DB_PRINTSYM("\tiv_deliver_data", vap->iv_deliver_data);
421		DB_PRINTSYM("\tiv_bmiss", vap->iv_bmiss);
422		DB_PRINTSYM("\tiv_reset", vap->iv_reset);
423		DB_PRINTSYM("\tiv_update_beacon", vap->iv_update_beacon);
424		DB_PRINTSYM("\tiv_newstate", vap->iv_newstate);
425		DB_PRINTSYM("\tiv_output", vap->iv_output);
426	}
427}
428
429static void
430_db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
431{
432	struct ieee80211vap *vap;
433
434	db_printf("%p:", ic);
435	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
436		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
437	db_printf("\n");
438	db_printf("\tifp %p", ic->ic_ifp);
439	db_printf(" comlock %p", &ic->ic_comlock);
440	db_printf("\n");
441	db_printf("\theadroom %d", ic->ic_headroom);
442	db_printf(" phytype %d", ic->ic_phytype);
443	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
444	db_printf("\n");
445	db_printf("\tmedia %p", &ic->ic_media);
446	db_printf(" myaddr %s", ether_sprintf(ic->ic_myaddr));
447	db_printf(" inact %p", &ic->ic_inact);
448	db_printf("\n");
449
450	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
451	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
452	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
453	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
454	db_printf("\tcryptocaps=%b\n",
455	    ic->ic_cryptocaps, IEEE80211_CRYPTO_BITS);
456	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
457
458#if 0
459	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
460#endif
461	db_printf("\tcurmode %u", ic->ic_curmode);
462	db_printf(" promisc %u", ic->ic_promisc);
463	db_printf(" allmulti %u", ic->ic_allmulti);
464	db_printf(" nrunning %u", ic->ic_nrunning);
465	db_printf("\n");
466	db_printf("\tbintval %u", ic->ic_bintval);
467	db_printf(" lintval %u", ic->ic_lintval);
468	db_printf(" holdover %u", ic->ic_holdover);
469	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
470	db_printf("\n");
471#if 0
472	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
473#endif
474	/*
475	 * Channel state:
476	 *
477	 * ic_channels is the set of available channels for the device;
478	 *    it is setup by the driver
479	 * ic_nchans is the number of valid entries in ic_channels
480	 * ic_chan_avail is a bit vector of these channels used to check
481	 *    whether a channel is available w/o searching the channel table.
482	 * ic_chan_active is a (potentially) constrained subset of
483	 *    ic_chan_avail that reflects any mode setting or user-specified
484	 *    limit on the set of channels to use/scan
485	 * ic_curchan is the current channel the device is set to; it may
486	 *    be different from ic_bsschan when we are off-channel scanning
487	 *    or otherwise doing background work
488	 * ic_bsschan is the channel selected for operation; it may
489	 *    be undefined (IEEE80211_CHAN_ANYC)
490	 * ic_prevchan is a cached ``previous channel'' used to optimize
491	 *    lookups when switching back+forth between two channels
492	 *    (e.g. for dynamic turbo)
493	 */
494	db_printf("\tnchans %d", ic->ic_nchans);
495#if 0
496	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
497	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
498	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
499	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
500#endif
501	db_printf("\n");
502	_db_show_channel("\tcurchan", ic->ic_curchan);
503	db_printf("\n");
504	_db_show_channel("\tbsschan", ic->ic_bsschan);
505	db_printf("\n");
506	_db_show_channel("\tprevchan", ic->ic_prevchan);
507	db_printf("\n");
508	db_printf("\tregdomain %p", &ic->ic_regdomain);
509	db_printf("\n");
510
511	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
512	db_printf(" csa_count %d", ic->ic_csa_count);
513	db_printf( "dfs %p", &ic->ic_dfs);
514	db_printf("\n");
515
516	db_printf("\tscan %p", ic->ic_scan);
517	db_printf(" lastdata %d", ic->ic_lastdata);
518	db_printf(" lastscan %d", ic->ic_lastscan);
519	db_printf("\n");
520
521	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
522	db_printf(" wme %p", &ic->ic_wme);
523	if (!showsta)
524		db_printf(" sta %p", &ic->ic_sta);
525	db_printf("\n");
526	if (showsta)
527		_db_show_node_table("\t", &ic->ic_sta);
528
529	db_printf("\tprotmode %d", ic->ic_protmode);
530	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
531	db_printf(" longslotsta %u", ic->ic_longslotsta);
532	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
533	db_printf("\n");
534	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
535	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
536	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
537	db_printf("\n");
538	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
539	db_printf(" htprotmode %d", ic->ic_htprotmode);
540	db_printf(" lastnonht %d", ic->ic_lastnonht);
541	db_printf("\n");
542
543	if (showprocs) {
544		DB_PRINTSYM("\tic_vap_create", ic->ic_vap_create);
545		DB_PRINTSYM("\tic_vap_delete", ic->ic_vap_delete);
546#if 0
547		/* operating mode attachment */
548		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
549#endif
550		DB_PRINTSYM("\tic_newassoc", ic->ic_newassoc);
551		DB_PRINTSYM("\tic_getradiocaps", ic->ic_getradiocaps);
552		DB_PRINTSYM("\tic_setregdomain", ic->ic_setregdomain);
553		DB_PRINTSYM("\tic_send_mgmt", ic->ic_send_mgmt);
554		DB_PRINTSYM("\tic_raw_xmit", ic->ic_raw_xmit);
555		DB_PRINTSYM("\tic_updateslot", ic->ic_updateslot);
556		DB_PRINTSYM("\tic_update_mcast", ic->ic_update_mcast);
557		DB_PRINTSYM("\tic_update_promisc", ic->ic_update_promisc);
558		DB_PRINTSYM("\tic_node_alloc", ic->ic_node_alloc);
559		DB_PRINTSYM("\tic_node_free", ic->ic_node_free);
560		DB_PRINTSYM("\tic_node_cleanup", ic->ic_node_cleanup);
561		DB_PRINTSYM("\tic_node_getrssi", ic->ic_node_getrssi);
562		DB_PRINTSYM("\tic_node_getsignal", ic->ic_node_getsignal);
563		DB_PRINTSYM("\tic_node_getmimoinfo", ic->ic_node_getmimoinfo);
564		DB_PRINTSYM("\tic_scan_start", ic->ic_scan_start);
565		DB_PRINTSYM("\tic_scan_end", ic->ic_scan_end);
566		DB_PRINTSYM("\tic_set_channel", ic->ic_set_channel);
567		DB_PRINTSYM("\tic_scan_curchan", ic->ic_scan_curchan);
568		DB_PRINTSYM("\tic_scan_mindwell", ic->ic_scan_mindwell);
569		DB_PRINTSYM("\tic_recv_action", ic->ic_recv_action);
570		DB_PRINTSYM("\tic_send_action", ic->ic_send_action);
571		DB_PRINTSYM("\tic_addba_request", ic->ic_addba_request);
572		DB_PRINTSYM("\tic_addba_response", ic->ic_addba_response);
573		DB_PRINTSYM("\tic_addba_stop", ic->ic_addba_stop);
574	}
575	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
576		db_printf("\n");
577		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
578			_db_show_vap(vap, showprocs);
579	}
580	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
581		const struct ieee80211_node_table *nt = &ic->ic_sta;
582		const struct ieee80211_node *ni;
583
584		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
585			db_printf("\n");
586			_db_show_sta(ni);
587		}
588	}
589}
590
591static void
592_db_show_node_table(const char *tag, const struct ieee80211_node_table *nt)
593{
594	int i;
595
596	db_printf("%s%s@%p:\n", tag, nt->nt_name, nt);
597	db_printf("%s  nodelock %p", tag, &nt->nt_nodelock);
598	db_printf(" inact_init %d", nt->nt_inact_init);
599	db_printf(" scanlock %p", &nt->nt_scanlock);
600	db_printf(" scangen %u\n", nt->nt_scangen);
601	db_printf("%s  keyixmax %d keyixmap %p\n",
602	    tag, nt->nt_keyixmax, nt->nt_keyixmap);
603	for (i = 0; i < nt->nt_keyixmax; i++) {
604		const struct ieee80211_node *ni = nt->nt_keyixmap[i];
605		if (ni != NULL)
606			db_printf("%s  [%3u] %p %s\n", tag, i, ni,
607			    ether_sprintf(ni->ni_macaddr));
608	}
609}
610
611static void
612_db_show_channel(const char *tag, const struct ieee80211_channel *c)
613{
614	db_printf("%s ", tag);
615	if (c == NULL)
616		db_printf("<NULL>");
617	else if (c == IEEE80211_CHAN_ANYC)
618		db_printf("<ANY>");
619	else
620		db_printf("[%u (%u) flags=%b maxreg %d maxpow %d minpow %d state 0x%x extieee %u]",
621		    c->ic_freq, c->ic_ieee,
622		    c->ic_flags, IEEE80211_CHAN_BITS,
623		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
624		    c->ic_state, c->ic_extieee);
625}
626
627static void
628_db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
629{
630	const uint8_t *p;
631	int i;
632
633	db_printf(tag, ix);
634
635	if (len > IEEE80211_NWID_LEN)
636		len = IEEE80211_NWID_LEN;
637	/* determine printable or not */
638	for (i = 0, p = ssid; i < len; i++, p++) {
639		if (*p < ' ' || *p > 0x7e)
640			break;
641	}
642	if (i == len) {
643		db_printf("\"");
644		for (i = 0, p = ssid; i < len; i++, p++)
645			db_printf("%c", *p);
646		db_printf("\"");
647	} else {
648		db_printf("0x");
649		for (i = 0, p = ssid; i < len; i++, p++)
650			db_printf("%02x", *p);
651	}
652}
653
654static void
655_db_show_appie(const char *tag, const struct ieee80211_appie *ie)
656{
657	const uint8_t *p;
658	int i;
659
660	if (ie == NULL)
661		return;
662	db_printf("%s [0x", tag);
663	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
664		db_printf("%02x", *p);
665	db_printf("]\n");
666}
667
668static void
669_db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
670{
671	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
672	const struct ieee80211_cipher *cip = wk->wk_cipher;
673	int keylen = wk->wk_keylen;
674
675	db_printf(tag, ix);
676	switch (cip->ic_cipher) {
677	case IEEE80211_CIPHER_WEP:
678		/* compatibility */
679		db_printf(" wepkey %u:%s", wk->wk_keyix,
680		    keylen <= 5 ? "40-bit" :
681		    keylen <= 13 ? "104-bit" : "128-bit");
682		break;
683	case IEEE80211_CIPHER_TKIP:
684		if (keylen > 128/8)
685			keylen -= 128/8;	/* ignore MIC for now */
686		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
687		break;
688	case IEEE80211_CIPHER_AES_OCB:
689		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
690		break;
691	case IEEE80211_CIPHER_AES_CCM:
692		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
693		break;
694	case IEEE80211_CIPHER_CKIP:
695		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
696		break;
697	case IEEE80211_CIPHER_NONE:
698		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
699		break;
700	default:
701		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
702			cip->ic_cipher, wk->wk_keyix, 8*keylen);
703		break;
704	}
705	if (wk->wk_rxkeyix != wk->wk_keyix)
706		db_printf(" rxkeyix %u", wk->wk_rxkeyix);
707	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
708		int i;
709
710		db_printf(" <");
711		for (i = 0; i < keylen; i++)
712			db_printf("%02x", wk->wk_key[i]);
713		db_printf(">");
714		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
715		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
716			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
717		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
718		    wk->wk_keytsc != 0)
719			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
720		db_printf(" flags=%b", wk->wk_flags, IEEE80211_KEY_BITS);
721	}
722	db_printf("\n");
723}
724
725static void
726printrate(const char *tag, int v)
727{
728	if (v == IEEE80211_FIXED_RATE_NONE)
729		db_printf(" %s <none>", tag);
730	else if (v == 11)
731		db_printf(" %s 5.5", tag);
732	else if (v & IEEE80211_RATE_MCS)
733		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
734	else
735		db_printf(" %s %d", tag, v/2);
736}
737
738static void
739_db_show_roamparams(const char *tag, const void *arg,
740    const struct ieee80211_roamparam *rp)
741{
742
743	db_printf(tag, arg);
744	if (rp->rssi & 1)
745		db_printf(" rssi %u.5", rp->rssi/2);
746	else
747		db_printf(" rssi %u", rp->rssi/2);
748	printrate("rate", rp->rate);
749}
750
751static void
752_db_show_txparams(const char *tag, const void *arg,
753    const struct ieee80211_txparam *tp)
754{
755
756	db_printf(tag, arg);
757	printrate("ucastrate", tp->ucastrate);
758	printrate("mcastrate", tp->mcastrate);
759	printrate("mgmtrate", tp->mgmtrate);
760	db_printf(" maxretry %d", tp->maxretry);
761}
762
763static void
764_db_show_stats(const struct ieee80211_stats *is)
765{
766}
767#endif /* DDB */
768