Multi-bss (aka vap) support for 802.11 devices.

Note this includes changes to all drivers and moves some device firmware
loading to use firmware(9) and a separate module (e.g. ral).  Also there
no longer are separate wlan_scan* modules; this functionality is now
bundled into the wlan module.

Supported by:	Hobnob and Marvell
Reviewed by:	many
Obtained from:	Atheros (some bits)

1 files changed, 789 insertions, 0 deletions

diff --git a/sys/net80211/ieee80211_ddb.c b/sys/net80211/ieee80211_ddb.c
new file mode 100644
index 0000000..5b78283
--- /dev/null
+++ b/sys/net80211/ieee80211_ddb.c
@@ -0,0 +1,789 @@
+/*-
+ * Copyright (c) 2007-2008 Sam Leffler, Errno Consulting
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_ddb.h"
+#include "opt_wlan.h"
+
+#ifdef DDB
+/*
+ * IEEE 802.11 DDB support
+ */
+#include <sys/param.h>
+#include <sys/systm.h> 
+#include <sys/kernel.h>
+ 
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+#include <net/ethernet.h>
+
+#include <net80211/ieee80211_var.h>
+
+#include <ddb/ddb.h>
+
+#define	IEEE80211_MSG_BITS \
+	"\20\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
+	"\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1X\22POWER" \
+	"\23STATE\24OUTPUT\25SCAN\26AUTH\27ASSOC\30NODE\31ELEMID\32XRATE" \
+	"\33INPUT\34CRYPTO\35DUPMPKTS\36DEBUG\3711N"
+
+#define	IEEE80211_F_BITS \
+	"\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
+	"\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
+	"\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
+	"\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
+	"\37DOTH\40DWDS"
+
+#define	IEEE80211_FEXT_BITS \
+	"\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\12NONEPR_PR"\
+	"\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT\25AMDPU_TX" \
+	"\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20" \
+	"\34SHORTGI40\35HTCOMPAT"
+
+#define	IEEE80211_FVEN_BITS	"\20"
+
+#define	IEEE80211_C_BITS \
+	"\20\7FF\10TURBOP\11IBSS\12PMGT" \
+	"\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
+	"\21MONITOR\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
+	"\37TXFRAG"
+
+#define	IEEE80211_C_CRYPTO_BITS \
+	"\20\1WEP\2TKIP\3AES\4AES_CCM\5TKIPMIC\6CKIP\12PMGT"
+
+#define	IEEE80211_C_HTCAP_BITS \
+	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
+	"\21AMPDU\22AMSDU\23HT"
+
+/* NB: policy bits not included */
+#define	IEEE80211_CHAN_BITS \
+	"\20\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ\12PASSIVE\13DYN\14GFSK" \
+	"\15STURBO\16HALF\17QUARTER\20HT20\21HT40U\22HT40D\23DFS"
+
+#define	IEEE80211_NODE_BITS \
+	"\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
+	"\13AMPDU_RX\14AMPDU_TX"
+
+#define	IEEE80211_ERP_BITS \
+	"\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
+
+#define	IEEE80211_CAPINFO_BITS \
+	"\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
+	"\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
+	"\16DSSOFDM"
+
+#define	IEEE80211_HTCAP_BITS \
+	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
+	"\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
+	"\20LSIGTXOPPROT"
+
+#define	IEEE80211_AGGR_BITS \
+	"\20\1IMMEDIATE\2XCHGPEND\3RUNNING\4SETUP\5NAK"
+
+static void _db_show_sta(const struct ieee80211_node *);
+static void _db_show_vap(const struct ieee80211vap *, int);
+static void _db_show_com(const struct ieee80211com *,
+	int showvaps, int showsta, int showprocs);
+
+static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
+static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
+static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
+static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
+static void _db_show_roamparams(const char *tag, const void *arg,
+	const struct ieee80211_roamparam *rp);
+static void _db_show_txparams(const char *tag, const void *arg,
+	const struct ieee80211_txparam *tp);
+static void _db_show_stats(const struct ieee80211_stats *);
+
+DB_SHOW_COMMAND(sta, db_show_sta)
+{
+	if (!have_addr) {
+		db_printf("usage: show sta <addr>\n");
+		return;
+	}
+	_db_show_sta((const struct ieee80211_node *) addr);
+}
+
+DB_SHOW_COMMAND(vap, db_show_vap)
+{
+	int i, showprocs = 0;
+
+	if (!have_addr) {
+		db_printf("usage: show vap <addr>\n");
+		return;
+	}
+	for (i = 0; modif[i] != '\0'; i++)
+		switch (modif[i]) {
+		case 'a':
+			showprocs = 1;
+			break;
+		case 'p':
+			showprocs = 1;
+			break;
+		}
+	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
+}
+
+DB_SHOW_COMMAND(com, db_show_com)
+{
+	const struct ieee80211com *ic;
+	int i, showprocs = 0, showvaps = 0, showsta = 0;
+
+	if (!have_addr) {
+		db_printf("usage: show com <addr>\n");
+		return;
+	}
+	for (i = 0; modif[i] != '\0'; i++)
+		switch (modif[i]) {
+		case 'a':
+			showsta = showvaps = showprocs = 1;
+			break;
+		case 's':
+			showsta = 1;
+			break;
+		case 'v':
+			showvaps = 1;
+			break;
+		case 'p':
+			showprocs = 1;
+			break;
+		}
+
+	ic = (const struct ieee80211com *) addr;
+	_db_show_com(ic, showvaps, showsta, showprocs);
+}
+
+DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
+{
+	const struct ifnet *ifp;
+	int i, showall = 0;
+
+	for (i = 0; modif[i] != '\0'; i++)
+		switch (modif[i]) {
+		case 'a':
+			showall = 1;
+			break;
+		}
+
+	TAILQ_FOREACH(ifp, &ifnet, if_list)
+		if (ifp->if_type == IFT_IEEE80211) {
+			const struct ieee80211com *ic = ifp->if_l2com;
+
+			if (!showall) {
+				const struct ieee80211vap *vap;
+				db_printf("%s: com %p vaps:",
+				    ifp->if_xname, ic);
+				TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
+					db_printf(" %s(%p)",
+					    vap->iv_ifp->if_xname, vap);
+				db_printf("\n");
+			} else
+				_db_show_com(ic, 1, 1, 1);
+		}
+}
+
+static void
+_db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
+{
+	db_printf("%stxampdu[%d]: %p flags %b ac %u\n",
+		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS, tap->txa_ac);
+	db_printf("%s  token %u qbytes %d qframes %d seqstart %u start %u wnd %u\n",
+		sep, tap->txa_token, tap->txa_qbytes, tap->txa_qframes,
+		tap->txa_seqstart, tap->txa_start, tap->txa_wnd);
+	db_printf("%s  attempts %d nextrequest %d\n",
+		sep, tap->txa_attempts, tap->txa_nextrequest);
+	/* XXX packet q + timer */
+}
+
+static void
+_db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
+{
+	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
+		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
+	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
+		sep, rap->rxa_qbytes, rap->rxa_qframes,
+		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
+	db_printf("%s  age %d nframes %d\n",
+		sep, rap->rxa_age, rap->rxa_nframes);
+}
+
+static void
+_db_show_sta(const struct ieee80211_node *ni)
+{
+	int i;
+
+	db_printf("0x%p: mac %s refcnt %d\n", ni,
+		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
+	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
+		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
+	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
+	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
+		ni->ni_scangen, ni->ni_authmode,
+		ni->ni_ath_flags, ni->ni_ath_defkeyix);
+	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
+		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
+	db_printf("\tjointime %d (%lu secs) challenge %p\n",
+		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
+		ni->ni_challenge);
+	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
+	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
+		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
+		ni->ni_ies.ath_ie);
+	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
+		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
+	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
+		ni->ni_txseqs[IEEE80211_NONQOS_TID],
+		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
+		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
+		ni->ni_rxfragstamp);
+	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
+		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
+	db_printf("\trstamp %u avgrssi 0x%x (rssi %d) noise %d\n",
+		ni->ni_rstamp, ni->ni_avgrssi,
+		IEEE80211_RSSI_GET(ni->ni_avgrssi), ni->ni_noise);
+	db_printf("\tintval %u capinfo %b\n",
+		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
+	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
+	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
+	db_printf("\n");
+	_db_show_channel("\tchannel", ni->ni_chan);
+	db_printf("\n");
+	db_printf("\terp %b dtim_period %u dtim_count %u\n",
+		ni->ni_erp, IEEE80211_ERP_BITS,
+		ni->ni_dtim_period, ni->ni_dtim_count);
+
+	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
+		ni->ni_htcap, IEEE80211_HTCAP_BITS,
+		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
+	db_printf("\thtopmode 0x%x htstbc 0x%x reqcw %u chw %u\n",
+		ni->ni_htopmode, ni->ni_htstbc, ni->ni_reqcw, ni->ni_chw);
+
+	/* XXX ampdu state */
+	for (i = 0; i < WME_NUM_AC; i++)
+		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
+			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
+	for (i = 0; i < WME_NUM_TID; i++)
+		if (ni->ni_rx_ampdu[i].rxa_nframes)
+			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
+
+	db_printf("\tinact %u inact_reload %u txrate %u\n",
+		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
+	/* XXX savedq */
+	/* XXX wdsq */
+}
+
+static void
+_db_show_vap(const struct ieee80211vap *vap, int showprocs)
+{
+	const struct ieee80211com *ic = vap->iv_ic;
+	int i;
+
+	db_printf("%p:", vap);
+	db_printf(" bss %p", vap->iv_bss);
+	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
+	db_printf("\n");
+
+	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
+	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
+	db_printf(" ifp %p", vap->iv_ifp);
+	db_printf("\n");
+
+	db_printf("\tic %p", vap->iv_ic);
+	db_printf(" media %p", &vap->iv_media);
+	db_printf(" bpf_if %p", vap->iv_rawbpf);
+	db_printf(" mgtsend %p", &vap->iv_mgtsend);
+#if 0
+	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
+#endif
+	db_printf("\n");
+	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
+
+	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
+	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
+	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
+	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
+	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
+
+	_db_show_stats(&vap->iv_stats);
+
+	db_printf("\tinact_init %d", vap->iv_inact_init);
+	db_printf(" inact_auth %d", vap->iv_inact_auth);
+	db_printf(" inact_run %d", vap->iv_inact_run);
+	db_printf(" inact_probe %d", vap->iv_inact_probe);
+	db_printf("\n");
+
+	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
+	if (vap->iv_des_nssid)
+		_db_show_ssid(" des_ssid[%u] ", 0,
+		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
+	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
+	db_printf("\n");
+	db_printf("\tdes_mode %d", vap->iv_des_mode);
+	_db_show_channel(" des_chan", vap->iv_des_chan);
+	db_printf("\n");
+#if 0
+	int			iv_nicknamelen;	/* XXX junk */
+	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
+#endif
+	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
+	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
+	db_printf(" scanvalid %u", vap->iv_scanvalid);
+	db_printf("\n");
+	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
+	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
+	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
+	db_printf("\n");
+	db_printf(" scanreq_flags 0x%x", vap->iv_scanreq_flags);
+	db_printf("\tscanreq_nssid %d", vap->iv_scanreq_nssid);
+	for (i = 0; i < vap->iv_scanreq_nssid; i++)
+		_db_show_ssid(" scanreq_ssid[%u]", i,
+		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
+	db_printf(" roaming %d", vap->iv_roaming);
+	db_printf("\n");
+	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
+		if (isset(ic->ic_modecaps, i)) {
+			_db_show_roamparams("\troamparms[%s]",
+			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
+			db_printf("\n");
+		}
+
+	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
+	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
+	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
+	db_printf("\n");
+	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
+	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
+	db_printf(" swbmiss %p", &vap->iv_swbmiss);
+	db_printf("\n");
+
+	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
+	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
+	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
+	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
+	db_printf("\n");
+
+	db_printf("\tmax_aid %u", vap->iv_max_aid);
+	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
+	db_printf("\n");
+	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
+	db_printf(" ps_sta %u", vap->iv_ps_sta);
+	db_printf(" ps_pending %u", vap->iv_ps_pending);
+	db_printf(" tim_len %u", vap->iv_tim_len);
+	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
+	db_printf("\n");
+	db_printf("\tdtim_period %u", vap->iv_dtim_period);
+	db_printf(" dtim_count %u", vap->iv_dtim_count);
+	db_printf(" set_tim %p", vap->iv_set_tim);
+	db_printf(" csa_count %d", vap->iv_csa_count);
+	db_printf("\n");
+
+	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
+	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
+	db_printf(" inact_timer %d", vap->iv_inact_timer);
+	db_printf("\n");
+	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
+		if (isset(ic->ic_modecaps, i)) {
+			_db_show_txparams("\ttxparms[%s]",
+			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
+			db_printf("\n");
+		}
+
+	/* application-specified IE's to attach to mgt frames */
+	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
+	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
+	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
+	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
+	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
+	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
+	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
+		if (vap->iv_wpa_ie != NULL)
+			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
+		if (vap->iv_rsn_ie != NULL)
+			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
+		db_printf("\n");
+	}
+	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
+	db_printf(" def_txkey %d", vap->iv_def_txkey);
+	db_printf("\n");
+	for (i = 0; i < IEEE80211_WEP_NKID; i++)
+		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
+
+	db_printf("\tauth %p", vap->iv_auth);
+	db_printf(" ec %p", vap->iv_ec);
+
+	db_printf(" acl %p", vap->iv_acl);
+	db_printf(" as %p", vap->iv_as);
+	db_printf("\n");
+
+	if (showprocs) {
+		db_printf("\tiv_key_alloc %p\n", vap->iv_key_alloc);
+		db_printf("\tiv_key_delete %p\n", vap->iv_key_delete);
+		db_printf("\tiv_key_set %p\n", vap->iv_key_set);
+		db_printf("\tiv_key_update_begin %p\n", vap->iv_key_update_begin);
+		db_printf("\tiv_key_update_end %p\n", vap->iv_key_update_end);
+		db_printf("\tiv_opdetach %p\n", vap->iv_opdetach);
+		db_printf("\tiv_input %p\n", vap->iv_input);
+		db_printf("\tiv_recv_mgmt %p\n", vap->iv_recv_mgmt);
+		db_printf("\tiv_deliver_data %p\n", vap->iv_deliver_data);
+		db_printf("\tiv_bmiss %p\n", vap->iv_bmiss);
+		db_printf("\tiv_reset %p\n", vap->iv_reset);
+		db_printf("\tiv_update_beacon %p\n", vap->iv_update_beacon);
+		db_printf("\tiv_newstate %p\n", vap->iv_newstate);
+		db_printf("\tiv_output %p\n", vap->iv_output);
+	}
+}
+
+static void
+_db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
+{
+	struct ieee80211vap *vap;
+
+	db_printf("%p:", ic);
+	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
+		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
+	db_printf("\n");
+	db_printf("\tifp %p", ic->ic_ifp);
+	db_printf(" comlock %p", &ic->ic_comlock);
+	db_printf("\n");
+	_db_show_stats(&ic->ic_stats);
+	db_printf("\theadroom %d", ic->ic_headroom);
+	db_printf(" phytype %d", ic->ic_phytype);
+	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
+	db_printf("\n");
+	db_printf("\tmedia %p", &ic->ic_media);
+	db_printf(" myaddr %s", ether_sprintf(ic->ic_myaddr));
+	db_printf(" inact %p", &ic->ic_inact);
+	db_printf("\n");
+
+	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
+	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
+	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
+	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
+	db_printf("\tcryptocaps=%b\n",
+	    ic->ic_cryptocaps, IEEE80211_C_CRYPTO_BITS);
+	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
+
+#if 0
+	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
+#endif
+	db_printf("\tcurmode %u", ic->ic_curmode);
+	db_printf(" promisc %u", ic->ic_promisc);
+	db_printf(" allmulti %u", ic->ic_allmulti);
+	db_printf(" nrunning %u", ic->ic_nrunning);
+	db_printf("\n");
+	db_printf("\tbintval %u", ic->ic_bintval);
+	db_printf(" lintval %u", ic->ic_lintval);
+	db_printf(" holdover %u", ic->ic_holdover);
+	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
+	db_printf("\n");
+#if 0
+	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
+#endif
+	/*
+	 * Channel state:
+	 *
+	 * ic_channels is the set of available channels for the device;
+	 *    it is setup by the driver
+	 * ic_nchans is the number of valid entries in ic_channels
+	 * ic_chan_avail is a bit vector of these channels used to check
+	 *    whether a channel is available w/o searching the channel table.
+	 * ic_chan_active is a (potentially) constrained subset of
+	 *    ic_chan_avail that reflects any mode setting or user-specified
+	 *    limit on the set of channels to use/scan
+	 * ic_curchan is the current channel the device is set to; it may
+	 *    be different from ic_bsschan when we are off-channel scanning
+	 *    or otherwise doing background work
+	 * ic_bsschan is the channel selected for operation; it may
+	 *    be undefined (IEEE80211_CHAN_ANYC)
+	 * ic_prevchan is a cached ``previous channel'' used to optimize
+	 *    lookups when switching back+forth between two channels
+	 *    (e.g. for dynamic turbo)
+	 */
+	db_printf("\tnchans %d", ic->ic_nchans);
+#if 0
+	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
+	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
+	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
+	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
+#endif
+	db_printf("\n");
+	_db_show_channel("\tcurchan", ic->ic_curchan);
+	db_printf("\n");
+	_db_show_channel("\tbsschan", ic->ic_bsschan);
+	db_printf("\n");
+	_db_show_channel("\tprevchan", ic->ic_prevchan);
+	db_printf("\n");
+	db_printf("\tregdomain %p", &ic->ic_regdomain);
+	db_printf("\n");
+
+	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
+	db_printf(" csa_count %d", ic->ic_csa_count);
+	db_printf( "dfs %p", &ic->ic_dfs);
+	db_printf("\n");
+
+	db_printf("\tscan %p", ic->ic_scan);
+	db_printf(" lastdata %d", ic->ic_lastdata);
+	db_printf(" lastscan %d", ic->ic_lastscan);
+	db_printf("\n");
+
+	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
+	db_printf(" sta %p", &ic->ic_sta);
+	db_printf(" wme %p", &ic->ic_wme);
+	db_printf("\n");
+
+	db_printf("\tprotmode %d", ic->ic_protmode);
+	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
+	db_printf(" longslotsta %u", ic->ic_longslotsta);
+	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
+	db_printf("\n");
+	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
+	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
+	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
+	db_printf("\n");
+	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
+	db_printf(" htprotmode %d", ic->ic_htprotmode);
+	db_printf(" lastnonht %d", ic->ic_lastnonht);
+	db_printf("\n");
+
+	if (showprocs) {
+		db_printf("\tic_vap_create %p\n", ic->ic_vap_create);
+		db_printf("\tic_vap_delete %p\n", ic->ic_vap_delete);
+#if 0
+		/* operating mode attachment */
+		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
+#endif
+		db_printf("\tic_newassoc %p\n", ic->ic_newassoc);
+		db_printf("\tic_getradiocaps %p\n", ic->ic_getradiocaps);
+		db_printf("\tic_setregdomain %p\n", ic->ic_setregdomain);
+		db_printf("\tic_send_mgmt %p\n", ic->ic_send_mgmt);
+		db_printf("\tic_raw_xmit %p\n", ic->ic_raw_xmit);
+		db_printf("\tic_updateslot %p\n", ic->ic_updateslot);
+		db_printf("\tic_update_mcast %p\n", ic->ic_update_mcast);
+		db_printf("\tic_update_promisc %p\n", ic->ic_update_promisc);
+		db_printf("\tic_node_alloc %p\n", ic->ic_node_alloc);
+		db_printf("\tic_node_free %p\n", ic->ic_node_free);
+		db_printf("\tic_node_cleanup %p\n", ic->ic_node_cleanup);
+		db_printf("\tic_node_getrssi %p\n", ic->ic_node_getrssi);
+		db_printf("\tic_node_getsignal %p\n", ic->ic_node_getsignal);
+		db_printf("\tic_node_getmimoinfo %p\n", ic->ic_node_getmimoinfo);
+		db_printf("\tic_scan_start %p\n", ic->ic_scan_start);
+		db_printf("\tic_scan_end %p\n", ic->ic_scan_end);
+		db_printf("\tic_set_channel %p\n", ic->ic_set_channel);
+		db_printf("\tic_scan_curchan %p\n", ic->ic_scan_curchan);
+		db_printf("\tic_scan_mindwell %p\n", ic->ic_scan_mindwell);
+		db_printf("\tic_recv_action %p\n", ic->ic_recv_action);
+		db_printf("\tic_send_action %p\n", ic->ic_send_action);
+		db_printf("\tic_addba_request %p\n", ic->ic_addba_request);
+		db_printf("\tic_addba_response %p\n", ic->ic_addba_response);
+		db_printf("\tic_addba_stop %p\n", ic->ic_addba_stop);
+	}
+	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
+		db_printf("\n");
+		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
+			_db_show_vap(vap, showprocs);
+	}
+	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
+		const struct ieee80211_node_table *nt = &ic->ic_sta;
+		const struct ieee80211_node *ni;
+
+		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
+			db_printf("\n");
+			_db_show_sta(ni);
+		}
+	}
+}
+
+static void
+_db_show_channel(const char *tag, const struct ieee80211_channel *c)
+{
+	db_printf("%s ", tag);
+	if (c == NULL)
+		db_printf("<NULL>");
+	else if (c == IEEE80211_CHAN_ANYC)
+		db_printf("<ANY>");
+	else
+		db_printf("[%u (%u) flags=%b maxreg %u maxpow %u minpow %u state 0x%x extieee %u]",
+		    c->ic_freq, c->ic_ieee,
+		    c->ic_flags, IEEE80211_CHAN_BITS,
+		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
+		    c->ic_state, c->ic_extieee);
+}
+
+static void
+_db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
+{
+	const uint8_t *p;
+	int i;
+
+	db_printf(tag, ix);
+
+	if (len > IEEE80211_NWID_LEN)
+		len = IEEE80211_NWID_LEN;
+	/* determine printable or not */
+	for (i = 0, p = ssid; i < len; i++, p++) {
+		if (*p < ' ' || *p > 0x7e)
+			break;
+	}
+	if (i == len) {
+		db_printf("\"");
+		for (i = 0, p = ssid; i < len; i++, p++)
+			db_printf("%c", *p);
+		db_printf("\"");
+	} else {
+		db_printf("0x");
+		for (i = 0, p = ssid; i < len; i++, p++)
+			db_printf("%02x", *p);
+	}
+}
+
+static void
+_db_show_appie(const char *tag, const struct ieee80211_appie *ie)
+{
+	const uint8_t *p;
+	int i;
+
+	if (ie == NULL)
+		return;
+	db_printf("%s [0x", tag);
+	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
+		db_printf("%02x", *p);
+	db_printf("]\n");
+}
+
+static void
+_db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
+{
+	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
+	const struct ieee80211_cipher *cip = wk->wk_cipher;
+	int keylen = wk->wk_keylen;
+
+	if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
+		return;
+	db_printf(tag, ix);
+	switch (cip->ic_cipher) {
+	case IEEE80211_CIPHER_WEP:
+		/* compatibility */
+		db_printf(" wepkey %u:%s", wk->wk_keyix+1,
+		    keylen <= 5 ? "40-bit" :
+		    keylen <= 13 ? "104-bit" : "128-bit");
+		break;
+	case IEEE80211_CIPHER_TKIP:
+		if (keylen > 128/8)
+			keylen -= 128/8;	/* ignore MIC for now */
+		db_printf(" TKIP %u:%u-bit", wk->wk_keyix+1, 8*keylen);
+		break;
+	case IEEE80211_CIPHER_AES_OCB:
+		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix+1, 8*keylen);
+		break;
+	case IEEE80211_CIPHER_AES_CCM:
+		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix+1, 8*keylen);
+		break;
+	case IEEE80211_CIPHER_CKIP:
+		db_printf(" CKIP %u:%u-bit", wk->wk_keyix+1, 8*keylen);
+		break;
+	case IEEE80211_CIPHER_NONE:
+		db_printf(" NULL %u:%u-bit", wk->wk_keyix+1, 8*keylen);
+		break;
+	default:
+		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
+			cip->ic_cipher, wk->wk_keyix+1, 8*keylen);
+		break;
+	}
+	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
+		int i;
+
+		db_printf(" <");
+		for (i = 0; i < keylen; i++)
+			db_printf("%02x", wk->wk_key[i]);
+		db_printf(">");
+		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
+		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
+			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
+		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
+		    wk->wk_keytsc != 0)
+			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
+		if (wk->wk_flags != 0) {
+			const char *sep = " ";
+
+			if (wk->wk_flags & IEEE80211_KEY_XMIT)
+				db_printf("%stx", sep), sep = "+";
+			if (wk->wk_flags & IEEE80211_KEY_RECV)
+				db_printf("%srx", sep), sep = "+";
+			if (wk->wk_flags & IEEE80211_KEY_DEFAULT)
+				db_printf("%sdef", sep), sep = "+";
+		}
+		db_printf("\n");
+	}
+}
+
+static void
+printrate(const char *tag, int v)
+{
+	if (v == IEEE80211_FIXED_RATE_NONE)
+		db_printf(" %s <none>", tag);
+	else if (v == 11)
+		db_printf(" %s 5.5", tag);
+	else if (v & IEEE80211_RATE_MCS)
+		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
+	else
+		db_printf(" %s %d", tag, v/2);
+}
+
+static void
+_db_show_roamparams(const char *tag, const void *arg,
+    const struct ieee80211_roamparam *rp)
+{
+
+	db_printf(tag, arg);
+	if (rp->rssi & 1)
+		db_printf(" rssi %u.5", rp->rssi/2);
+	else
+		db_printf(" rssi %u", rp->rssi/2);
+	printrate("rate", rp->rate);
+}
+
+static void
+_db_show_txparams(const char *tag, const void *arg,
+    const struct ieee80211_txparam *tp)
+{
+
+	db_printf(tag, arg);
+	printrate("ucastrate", tp->ucastrate);
+	printrate("mcastrate", tp->mcastrate);
+	printrate("mgmtrate", tp->mgmtrate);
+	db_printf(" maxretry %d", tp->maxretry);
+}
+
+static void
+_db_show_stats(const struct ieee80211_stats *is)
+{
+}
+#endif /* DDB */