Home | History | Annotate | Line # | Download | only in net80211
ieee80211_proto.c revision 1.15.2.7
      1  1.15.2.7  skrll /*	$NetBSD: ieee80211_proto.c,v 1.15.2.7 2005/11/10 14:10:51 skrll Exp $	*/
      2  1.15.2.2  skrll /*-
      3  1.15.2.2  skrll  * Copyright (c) 2001 Atsushi Onoe
      4  1.15.2.7  skrll  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
      5  1.15.2.2  skrll  * All rights reserved.
      6  1.15.2.2  skrll  *
      7  1.15.2.2  skrll  * Redistribution and use in source and binary forms, with or without
      8  1.15.2.2  skrll  * modification, are permitted provided that the following conditions
      9  1.15.2.2  skrll  * are met:
     10  1.15.2.2  skrll  * 1. Redistributions of source code must retain the above copyright
     11  1.15.2.2  skrll  *    notice, this list of conditions and the following disclaimer.
     12  1.15.2.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.15.2.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     14  1.15.2.2  skrll  *    documentation and/or other materials provided with the distribution.
     15  1.15.2.2  skrll  * 3. The name of the author may not be used to endorse or promote products
     16  1.15.2.2  skrll  *    derived from this software without specific prior written permission.
     17  1.15.2.2  skrll  *
     18  1.15.2.2  skrll  * Alternatively, this software may be distributed under the terms of the
     19  1.15.2.2  skrll  * GNU General Public License ("GPL") version 2 as published by the Free
     20  1.15.2.2  skrll  * Software Foundation.
     21  1.15.2.2  skrll  *
     22  1.15.2.2  skrll  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  1.15.2.2  skrll  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  1.15.2.2  skrll  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  1.15.2.2  skrll  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  1.15.2.2  skrll  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  1.15.2.2  skrll  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  1.15.2.2  skrll  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  1.15.2.2  skrll  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  1.15.2.2  skrll  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  1.15.2.2  skrll  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  1.15.2.2  skrll  */
     33  1.15.2.2  skrll 
     34  1.15.2.2  skrll #include <sys/cdefs.h>
     35  1.15.2.2  skrll #ifdef __FreeBSD__
     36  1.15.2.7  skrll __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_proto.c,v 1.17 2005/07/04 01:29:41 sam Exp $");
     37  1.15.2.7  skrll #endif
     38  1.15.2.7  skrll #ifdef __NetBSD__
     39  1.15.2.7  skrll __KERNEL_RCSID(0, "$NetBSD: ieee80211_proto.c,v 1.15.2.7 2005/11/10 14:10:51 skrll Exp $");
     40  1.15.2.2  skrll #endif
     41  1.15.2.2  skrll 
     42  1.15.2.2  skrll /*
     43  1.15.2.2  skrll  * IEEE 802.11 protocol support.
     44  1.15.2.2  skrll  */
     45  1.15.2.2  skrll 
     46  1.15.2.2  skrll #include "opt_inet.h"
     47  1.15.2.2  skrll 
     48  1.15.2.2  skrll #include <sys/param.h>
     49  1.15.2.2  skrll #include <sys/kernel.h>
     50  1.15.2.7  skrll #include <sys/systm.h>
     51  1.15.2.7  skrll 
     52  1.15.2.2  skrll #include <sys/socket.h>
     53  1.15.2.2  skrll #include <sys/sockio.h>
     54  1.15.2.2  skrll #include <sys/endian.h>
     55  1.15.2.2  skrll #include <sys/errno.h>
     56  1.15.2.2  skrll #include <sys/proc.h>
     57  1.15.2.2  skrll #include <sys/sysctl.h>
     58  1.15.2.2  skrll 
     59  1.15.2.2  skrll #include <net/if.h>
     60  1.15.2.2  skrll #include <net/if_media.h>
     61  1.15.2.2  skrll #include <net/if_arp.h>
     62  1.15.2.2  skrll #include <net/if_ether.h>
     63  1.15.2.2  skrll #include <net/if_llc.h>
     64  1.15.2.2  skrll 
     65  1.15.2.7  skrll #include <net80211/ieee80211_netbsd.h>
     66  1.15.2.2  skrll #include <net80211/ieee80211_var.h>
     67  1.15.2.2  skrll 
     68  1.15.2.2  skrll #include <net/bpf.h>
     69  1.15.2.2  skrll 
     70  1.15.2.2  skrll #ifdef INET
     71  1.15.2.7  skrll #include <netinet/in.h>
     72  1.15.2.2  skrll #include <net/if_ether.h>
     73  1.15.2.2  skrll #endif
     74  1.15.2.2  skrll 
     75  1.15.2.2  skrll #include <net/route.h>
     76  1.15.2.7  skrll /* XXX tunables */
     77  1.15.2.7  skrll #define	AGGRESSIVE_MODE_SWITCH_HYSTERESIS	3	/* pkts / 100ms */
     78  1.15.2.7  skrll #define	HIGH_PRI_SWITCH_THRESH			10	/* pkts / 100ms */
     79  1.15.2.2  skrll 
     80  1.15.2.2  skrll #define	IEEE80211_RATE2MBS(r)	(((r) & IEEE80211_RATE_VAL) / 2)
     81  1.15.2.2  skrll 
     82  1.15.2.2  skrll const char *ieee80211_mgt_subtype_name[] = {
     83  1.15.2.2  skrll 	"assoc_req",	"assoc_resp",	"reassoc_req",	"reassoc_resp",
     84  1.15.2.2  skrll 	"probe_req",	"probe_resp",	"reserved#6",	"reserved#7",
     85  1.15.2.2  skrll 	"beacon",	"atim",		"disassoc",	"auth",
     86  1.15.2.2  skrll 	"deauth",	"reserved#13",	"reserved#14",	"reserved#15"
     87  1.15.2.2  skrll };
     88  1.15.2.7  skrll const char *ieee80211_ctl_subtype_name[] = {
     89  1.15.2.7  skrll 	"reserved#0",	"reserved#1",	"reserved#2",	"reserved#3",
     90  1.15.2.7  skrll 	"reserved#3",	"reserved#5",	"reserved#6",	"reserved#7",
     91  1.15.2.7  skrll 	"reserved#8",	"reserved#9",	"ps_poll",	"rts",
     92  1.15.2.7  skrll 	"cts",		"ack",		"cf_end",	"cf_end_ack"
     93  1.15.2.7  skrll };
     94  1.15.2.2  skrll const char *ieee80211_state_name[IEEE80211_S_MAX] = {
     95  1.15.2.2  skrll 	"INIT",		/* IEEE80211_S_INIT */
     96  1.15.2.2  skrll 	"SCAN",		/* IEEE80211_S_SCAN */
     97  1.15.2.2  skrll 	"AUTH",		/* IEEE80211_S_AUTH */
     98  1.15.2.2  skrll 	"ASSOC",	/* IEEE80211_S_ASSOC */
     99  1.15.2.2  skrll 	"RUN"		/* IEEE80211_S_RUN */
    100  1.15.2.2  skrll };
    101  1.15.2.7  skrll const char *ieee80211_wme_acnames[] = {
    102  1.15.2.7  skrll 	"WME_AC_BE",
    103  1.15.2.7  skrll 	"WME_AC_BK",
    104  1.15.2.7  skrll 	"WME_AC_VI",
    105  1.15.2.7  skrll 	"WME_AC_VO",
    106  1.15.2.7  skrll 	"WME_UPSD",
    107  1.15.2.7  skrll };
    108  1.15.2.2  skrll 
    109  1.15.2.2  skrll static int ieee80211_newstate(struct ieee80211com *, enum ieee80211_state, int);
    110  1.15.2.2  skrll 
    111  1.15.2.2  skrll void
    112  1.15.2.7  skrll ieee80211_proto_attach(struct ieee80211com *ic)
    113  1.15.2.2  skrll {
    114  1.15.2.7  skrll 	struct ifnet *ifp = ic->ic_ifp;
    115  1.15.2.2  skrll 
    116  1.15.2.7  skrll 	/* XXX room for crypto  */
    117  1.15.2.7  skrll 	ifp->if_hdrlen = sizeof(struct ieee80211_qosframe_addr4);
    118  1.15.2.2  skrll 
    119  1.15.2.2  skrll #ifdef notdef
    120  1.15.2.2  skrll 	ic->ic_rtsthreshold = IEEE80211_RTS_DEFAULT;
    121  1.15.2.2  skrll #else
    122  1.15.2.2  skrll 	ic->ic_rtsthreshold = IEEE80211_RTS_MAX;
    123  1.15.2.2  skrll #endif
    124  1.15.2.2  skrll 	ic->ic_fragthreshold = 2346;		/* XXX not used yet */
    125  1.15.2.2  skrll 	ic->ic_fixed_rate = -1;			/* no fixed rate */
    126  1.15.2.2  skrll 	ic->ic_protmode = IEEE80211_PROT_CTSONLY;
    127  1.15.2.7  skrll 	ic->ic_roaming = IEEE80211_ROAMING_AUTO;
    128  1.15.2.2  skrll 
    129  1.15.2.7  skrll 	ic->ic_wme.wme_hipri_switch_hysteresis =
    130  1.15.2.7  skrll 		AGGRESSIVE_MODE_SWITCH_HYSTERESIS;
    131  1.15.2.2  skrll 
    132  1.15.2.2  skrll 	/* protocol state change handler */
    133  1.15.2.2  skrll 	ic->ic_newstate = ieee80211_newstate;
    134  1.15.2.2  skrll 
    135  1.15.2.2  skrll 	/* initialize management frame handlers */
    136  1.15.2.2  skrll 	ic->ic_recv_mgmt = ieee80211_recv_mgmt;
    137  1.15.2.2  skrll 	ic->ic_send_mgmt = ieee80211_send_mgmt;
    138  1.15.2.2  skrll }
    139  1.15.2.2  skrll 
    140  1.15.2.2  skrll void
    141  1.15.2.7  skrll ieee80211_proto_detach(struct ieee80211com *ic)
    142  1.15.2.2  skrll {
    143  1.15.2.2  skrll 
    144  1.15.2.7  skrll 	/*
    145  1.15.2.7  skrll 	 * This should not be needed as we detach when reseting
    146  1.15.2.7  skrll 	 * the state but be conservative here since the
    147  1.15.2.7  skrll 	 * authenticator may do things like spawn kernel threads.
    148  1.15.2.7  skrll 	 */
    149  1.15.2.7  skrll 	if (ic->ic_auth->ia_detach)
    150  1.15.2.7  skrll 		ic->ic_auth->ia_detach(ic);
    151  1.15.2.7  skrll 
    152  1.15.2.2  skrll 	IF_PURGE(&ic->ic_mgtq);
    153  1.15.2.7  skrll 
    154  1.15.2.7  skrll 	/*
    155  1.15.2.7  skrll 	 * Detach any ACL'ator.
    156  1.15.2.7  skrll 	 */
    157  1.15.2.7  skrll 	if (ic->ic_acl != NULL)
    158  1.15.2.7  skrll 		ic->ic_acl->iac_detach(ic);
    159  1.15.2.7  skrll }
    160  1.15.2.7  skrll 
    161  1.15.2.7  skrll /*
    162  1.15.2.7  skrll  * Simple-minded authenticator module support.
    163  1.15.2.7  skrll  */
    164  1.15.2.7  skrll 
    165  1.15.2.7  skrll #define	IEEE80211_AUTH_MAX	(IEEE80211_AUTH_WPA+1)
    166  1.15.2.7  skrll /* XXX well-known names */
    167  1.15.2.7  skrll static const char *auth_modnames[IEEE80211_AUTH_MAX] = {
    168  1.15.2.7  skrll 	"wlan_internal",	/* IEEE80211_AUTH_NONE */
    169  1.15.2.7  skrll 	"wlan_internal",	/* IEEE80211_AUTH_OPEN */
    170  1.15.2.7  skrll 	"wlan_internal",	/* IEEE80211_AUTH_SHARED */
    171  1.15.2.7  skrll 	"wlan_xauth",		/* IEEE80211_AUTH_8021X	 */
    172  1.15.2.7  skrll 	"wlan_internal",	/* IEEE80211_AUTH_AUTO */
    173  1.15.2.7  skrll 	"wlan_xauth",		/* IEEE80211_AUTH_WPA */
    174  1.15.2.7  skrll };
    175  1.15.2.7  skrll static const struct ieee80211_authenticator *authenticators[IEEE80211_AUTH_MAX];
    176  1.15.2.7  skrll 
    177  1.15.2.7  skrll static const struct ieee80211_authenticator auth_internal = {
    178  1.15.2.7  skrll 	.ia_name		= "wlan_internal",
    179  1.15.2.7  skrll 	.ia_attach		= NULL,
    180  1.15.2.7  skrll 	.ia_detach		= NULL,
    181  1.15.2.7  skrll 	.ia_node_join		= NULL,
    182  1.15.2.7  skrll 	.ia_node_leave		= NULL,
    183  1.15.2.7  skrll };
    184  1.15.2.7  skrll 
    185  1.15.2.7  skrll /*
    186  1.15.2.7  skrll  * Setup internal authenticators once; they are never unregistered.
    187  1.15.2.7  skrll  */
    188  1.15.2.7  skrll static void
    189  1.15.2.7  skrll ieee80211_auth_setup(void)
    190  1.15.2.7  skrll {
    191  1.15.2.7  skrll 	ieee80211_authenticator_register(IEEE80211_AUTH_OPEN, &auth_internal);
    192  1.15.2.7  skrll 	ieee80211_authenticator_register(IEEE80211_AUTH_SHARED, &auth_internal);
    193  1.15.2.7  skrll 	ieee80211_authenticator_register(IEEE80211_AUTH_AUTO, &auth_internal);
    194  1.15.2.7  skrll }
    195  1.15.2.7  skrll 
    196  1.15.2.7  skrll const struct ieee80211_authenticator *
    197  1.15.2.7  skrll ieee80211_authenticator_get(int auth)
    198  1.15.2.7  skrll {
    199  1.15.2.7  skrll 	static int initialized = 0;
    200  1.15.2.7  skrll 	if (!initialized) {
    201  1.15.2.7  skrll 		ieee80211_auth_setup();
    202  1.15.2.7  skrll 		initialized = 1;
    203  1.15.2.7  skrll 	}
    204  1.15.2.7  skrll 	if (auth >= IEEE80211_AUTH_MAX)
    205  1.15.2.7  skrll 		return NULL;
    206  1.15.2.7  skrll 	if (authenticators[auth] == NULL)
    207  1.15.2.7  skrll 		ieee80211_load_module(auth_modnames[auth]);
    208  1.15.2.7  skrll 	return authenticators[auth];
    209  1.15.2.2  skrll }
    210  1.15.2.2  skrll 
    211  1.15.2.2  skrll void
    212  1.15.2.7  skrll ieee80211_authenticator_register(int type,
    213  1.15.2.7  skrll 	const struct ieee80211_authenticator *auth)
    214  1.15.2.2  skrll {
    215  1.15.2.7  skrll 	if (type >= IEEE80211_AUTH_MAX)
    216  1.15.2.7  skrll 		return;
    217  1.15.2.7  skrll 	authenticators[type] = auth;
    218  1.15.2.7  skrll }
    219  1.15.2.7  skrll 
    220  1.15.2.7  skrll void
    221  1.15.2.7  skrll ieee80211_authenticator_unregister(int type)
    222  1.15.2.7  skrll {
    223  1.15.2.7  skrll 
    224  1.15.2.7  skrll 	if (type >= IEEE80211_AUTH_MAX)
    225  1.15.2.7  skrll 		return;
    226  1.15.2.7  skrll 	authenticators[type] = NULL;
    227  1.15.2.7  skrll }
    228  1.15.2.7  skrll 
    229  1.15.2.7  skrll /*
    230  1.15.2.7  skrll  * Very simple-minded ACL module support.
    231  1.15.2.7  skrll  */
    232  1.15.2.7  skrll /* XXX just one for now */
    233  1.15.2.7  skrll static	const struct ieee80211_aclator *acl = NULL;
    234  1.15.2.7  skrll 
    235  1.15.2.7  skrll void
    236  1.15.2.7  skrll ieee80211_aclator_register(const struct ieee80211_aclator *iac)
    237  1.15.2.7  skrll {
    238  1.15.2.7  skrll 	printf("wlan: %s acl policy registered\n", iac->iac_name);
    239  1.15.2.7  skrll 	acl = iac;
    240  1.15.2.7  skrll }
    241  1.15.2.7  skrll 
    242  1.15.2.7  skrll void
    243  1.15.2.7  skrll ieee80211_aclator_unregister(const struct ieee80211_aclator *iac)
    244  1.15.2.7  skrll {
    245  1.15.2.7  skrll 	if (acl == iac)
    246  1.15.2.7  skrll 		acl = NULL;
    247  1.15.2.7  skrll 	printf("wlan: %s acl policy unregistered\n", iac->iac_name);
    248  1.15.2.7  skrll }
    249  1.15.2.7  skrll 
    250  1.15.2.7  skrll const struct ieee80211_aclator *
    251  1.15.2.7  skrll ieee80211_aclator_get(const char *name)
    252  1.15.2.7  skrll {
    253  1.15.2.7  skrll 	if (acl == NULL)
    254  1.15.2.7  skrll 		ieee80211_load_module("wlan_acl");
    255  1.15.2.7  skrll 	return acl != NULL && strcmp(acl->iac_name, name) == 0 ? acl : NULL;
    256  1.15.2.7  skrll }
    257  1.15.2.7  skrll 
    258  1.15.2.7  skrll void
    259  1.15.2.7  skrll ieee80211_print_essid(const u_int8_t *essid, int len)
    260  1.15.2.7  skrll {
    261  1.15.2.7  skrll 	const u_int8_t *p;
    262  1.15.2.2  skrll 	int i;
    263  1.15.2.2  skrll 
    264  1.15.2.2  skrll 	if (len > IEEE80211_NWID_LEN)
    265  1.15.2.2  skrll 		len = IEEE80211_NWID_LEN;
    266  1.15.2.2  skrll 	/* determine printable or not */
    267  1.15.2.2  skrll 	for (i = 0, p = essid; i < len; i++, p++) {
    268  1.15.2.2  skrll 		if (*p < ' ' || *p > 0x7e)
    269  1.15.2.2  skrll 			break;
    270  1.15.2.2  skrll 	}
    271  1.15.2.2  skrll 	if (i == len) {
    272  1.15.2.2  skrll 		printf("\"");
    273  1.15.2.2  skrll 		for (i = 0, p = essid; i < len; i++, p++)
    274  1.15.2.2  skrll 			printf("%c", *p);
    275  1.15.2.2  skrll 		printf("\"");
    276  1.15.2.2  skrll 	} else {
    277  1.15.2.2  skrll 		printf("0x");
    278  1.15.2.2  skrll 		for (i = 0, p = essid; i < len; i++, p++)
    279  1.15.2.2  skrll 			printf("%02x", *p);
    280  1.15.2.2  skrll 	}
    281  1.15.2.2  skrll }
    282  1.15.2.2  skrll 
    283  1.15.2.2  skrll void
    284  1.15.2.7  skrll ieee80211_dump_pkt(const u_int8_t *buf, int len, int rate, int rssi)
    285  1.15.2.2  skrll {
    286  1.15.2.7  skrll 	const struct ieee80211_frame *wh;
    287  1.15.2.2  skrll 	int i;
    288  1.15.2.2  skrll 
    289  1.15.2.7  skrll 	wh = (const struct ieee80211_frame *)buf;
    290  1.15.2.2  skrll 	switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) {
    291  1.15.2.2  skrll 	case IEEE80211_FC1_DIR_NODS:
    292  1.15.2.2  skrll 		printf("NODS %s", ether_sprintf(wh->i_addr2));
    293  1.15.2.2  skrll 		printf("->%s", ether_sprintf(wh->i_addr1));
    294  1.15.2.2  skrll 		printf("(%s)", ether_sprintf(wh->i_addr3));
    295  1.15.2.2  skrll 		break;
    296  1.15.2.2  skrll 	case IEEE80211_FC1_DIR_TODS:
    297  1.15.2.2  skrll 		printf("TODS %s", ether_sprintf(wh->i_addr2));
    298  1.15.2.2  skrll 		printf("->%s", ether_sprintf(wh->i_addr3));
    299  1.15.2.2  skrll 		printf("(%s)", ether_sprintf(wh->i_addr1));
    300  1.15.2.2  skrll 		break;
    301  1.15.2.2  skrll 	case IEEE80211_FC1_DIR_FROMDS:
    302  1.15.2.2  skrll 		printf("FRDS %s", ether_sprintf(wh->i_addr3));
    303  1.15.2.2  skrll 		printf("->%s", ether_sprintf(wh->i_addr1));
    304  1.15.2.2  skrll 		printf("(%s)", ether_sprintf(wh->i_addr2));
    305  1.15.2.2  skrll 		break;
    306  1.15.2.2  skrll 	case IEEE80211_FC1_DIR_DSTODS:
    307  1.15.2.7  skrll 		printf("DSDS %s", ether_sprintf((const u_int8_t *)&wh[1]));
    308  1.15.2.2  skrll 		printf("->%s", ether_sprintf(wh->i_addr3));
    309  1.15.2.2  skrll 		printf("(%s", ether_sprintf(wh->i_addr2));
    310  1.15.2.2  skrll 		printf("->%s)", ether_sprintf(wh->i_addr1));
    311  1.15.2.2  skrll 		break;
    312  1.15.2.2  skrll 	}
    313  1.15.2.2  skrll 	switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
    314  1.15.2.2  skrll 	case IEEE80211_FC0_TYPE_DATA:
    315  1.15.2.2  skrll 		printf(" data");
    316  1.15.2.2  skrll 		break;
    317  1.15.2.2  skrll 	case IEEE80211_FC0_TYPE_MGT:
    318  1.15.2.2  skrll 		printf(" %s", ieee80211_mgt_subtype_name[
    319  1.15.2.2  skrll 		    (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK)
    320  1.15.2.2  skrll 		    >> IEEE80211_FC0_SUBTYPE_SHIFT]);
    321  1.15.2.2  skrll 		break;
    322  1.15.2.2  skrll 	default:
    323  1.15.2.2  skrll 		printf(" type#%d", wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK);
    324  1.15.2.2  skrll 		break;
    325  1.15.2.2  skrll 	}
    326  1.15.2.7  skrll 	if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
    327  1.15.2.7  skrll 		printf(" WEP [IV");
    328  1.15.2.7  skrll 		for (i = 0; i < IEEE80211_WEP_IVLEN; i++)
    329  1.15.2.7  skrll 			printf(" %.02x", buf[sizeof(*wh)+i]);
    330  1.15.2.7  skrll 		printf(" KID %u]", buf[sizeof(*wh)+i] >> 6);
    331  1.15.2.7  skrll 	}
    332  1.15.2.2  skrll 	if (rate >= 0)
    333  1.15.2.2  skrll 		printf(" %dM", rate / 2);
    334  1.15.2.2  skrll 	if (rssi >= 0)
    335  1.15.2.2  skrll 		printf(" +%d", rssi);
    336  1.15.2.2  skrll 	printf("\n");
    337  1.15.2.2  skrll 	if (len > 0) {
    338  1.15.2.2  skrll 		for (i = 0; i < len; i++) {
    339  1.15.2.2  skrll 			if ((i & 1) == 0)
    340  1.15.2.2  skrll 				printf(" ");
    341  1.15.2.2  skrll 			printf("%02x", buf[i]);
    342  1.15.2.2  skrll 		}
    343  1.15.2.2  skrll 		printf("\n");
    344  1.15.2.2  skrll 	}
    345  1.15.2.2  skrll }
    346  1.15.2.2  skrll 
    347  1.15.2.2  skrll int
    348  1.15.2.2  skrll ieee80211_fix_rate(struct ieee80211com *ic, struct ieee80211_node *ni, int flags)
    349  1.15.2.2  skrll {
    350  1.15.2.2  skrll #define	RV(v)	((v) & IEEE80211_RATE_VAL)
    351  1.15.2.2  skrll 	int i, j, ignore, error;
    352  1.15.2.7  skrll 	int okrate, badrate, fixedrate;
    353  1.15.2.2  skrll 	struct ieee80211_rateset *srs, *nrs;
    354  1.15.2.2  skrll 	u_int8_t r;
    355  1.15.2.2  skrll 
    356  1.15.2.7  skrll 	/*
    357  1.15.2.7  skrll 	 * If the fixed rate check was requested but no
    358  1.15.2.7  skrll 	 * fixed has been defined then just remove it.
    359  1.15.2.7  skrll 	 */
    360  1.15.2.7  skrll 	if ((flags & IEEE80211_F_DOFRATE) && ic->ic_fixed_rate < 0)
    361  1.15.2.7  skrll 		flags &= ~IEEE80211_F_DOFRATE;
    362  1.15.2.2  skrll 	error = 0;
    363  1.15.2.7  skrll 	okrate = badrate = fixedrate = 0;
    364  1.15.2.2  skrll 	srs = &ic->ic_sup_rates[ieee80211_chan2mode(ic, ni->ni_chan)];
    365  1.15.2.2  skrll 	nrs = &ni->ni_rates;
    366  1.15.2.2  skrll 	for (i = 0; i < nrs->rs_nrates; ) {
    367  1.15.2.2  skrll 		ignore = 0;
    368  1.15.2.2  skrll 		if (flags & IEEE80211_F_DOSORT) {
    369  1.15.2.2  skrll 			/*
    370  1.15.2.2  skrll 			 * Sort rates.
    371  1.15.2.2  skrll 			 */
    372  1.15.2.2  skrll 			for (j = i + 1; j < nrs->rs_nrates; j++) {
    373  1.15.2.2  skrll 				if (RV(nrs->rs_rates[i]) > RV(nrs->rs_rates[j])) {
    374  1.15.2.2  skrll 					r = nrs->rs_rates[i];
    375  1.15.2.2  skrll 					nrs->rs_rates[i] = nrs->rs_rates[j];
    376  1.15.2.2  skrll 					nrs->rs_rates[j] = r;
    377  1.15.2.2  skrll 				}
    378  1.15.2.2  skrll 			}
    379  1.15.2.2  skrll 		}
    380  1.15.2.2  skrll 		r = nrs->rs_rates[i] & IEEE80211_RATE_VAL;
    381  1.15.2.2  skrll 		badrate = r;
    382  1.15.2.2  skrll 		if (flags & IEEE80211_F_DOFRATE) {
    383  1.15.2.2  skrll 			/*
    384  1.15.2.7  skrll 			 * Check any fixed rate is included.
    385  1.15.2.2  skrll 			 */
    386  1.15.2.7  skrll 			if (r == RV(srs->rs_rates[ic->ic_fixed_rate]))
    387  1.15.2.7  skrll 				fixedrate = r;
    388  1.15.2.2  skrll 		}
    389  1.15.2.2  skrll 		if (flags & IEEE80211_F_DONEGO) {
    390  1.15.2.2  skrll 			/*
    391  1.15.2.2  skrll 			 * Check against supported rates.
    392  1.15.2.2  skrll 			 */
    393  1.15.2.2  skrll 			for (j = 0; j < srs->rs_nrates; j++) {
    394  1.15.2.2  skrll 				if (r == RV(srs->rs_rates[j])) {
    395  1.15.2.2  skrll 					/*
    396  1.15.2.2  skrll 					 * Overwrite with the supported rate
    397  1.15.2.2  skrll 					 * value so any basic rate bit is set.
    398  1.15.2.2  skrll 					 * This insures that response we send
    399  1.15.2.2  skrll 					 * to stations have the necessary basic
    400  1.15.2.2  skrll 					 * rate bit set.
    401  1.15.2.2  skrll 					 */
    402  1.15.2.2  skrll 					nrs->rs_rates[i] = srs->rs_rates[j];
    403  1.15.2.2  skrll 					break;
    404  1.15.2.2  skrll 				}
    405  1.15.2.2  skrll 			}
    406  1.15.2.2  skrll 			if (j == srs->rs_nrates) {
    407  1.15.2.2  skrll 				/*
    408  1.15.2.2  skrll 				 * A rate in the node's rate set is not
    409  1.15.2.2  skrll 				 * supported.  If this is a basic rate and we
    410  1.15.2.2  skrll 				 * are operating as an AP then this is an error.
    411  1.15.2.2  skrll 				 * Otherwise we just discard/ignore the rate.
    412  1.15.2.2  skrll 				 * Note that this is important for 11b stations
    413  1.15.2.2  skrll 				 * when they want to associate with an 11g AP.
    414  1.15.2.2  skrll 				 */
    415  1.15.2.7  skrll #ifndef IEEE80211_NO_HOSTAP
    416  1.15.2.2  skrll 				if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
    417  1.15.2.2  skrll 				    (nrs->rs_rates[i] & IEEE80211_RATE_BASIC))
    418  1.15.2.2  skrll 					error++;
    419  1.15.2.7  skrll #endif /* !IEEE80211_NO_HOSTAP */
    420  1.15.2.2  skrll 				ignore++;
    421  1.15.2.2  skrll 			}
    422  1.15.2.2  skrll 		}
    423  1.15.2.2  skrll 		if (flags & IEEE80211_F_DODEL) {
    424  1.15.2.2  skrll 			/*
    425  1.15.2.2  skrll 			 * Delete unacceptable rates.
    426  1.15.2.2  skrll 			 */
    427  1.15.2.2  skrll 			if (ignore) {
    428  1.15.2.2  skrll 				nrs->rs_nrates--;
    429  1.15.2.2  skrll 				for (j = i; j < nrs->rs_nrates; j++)
    430  1.15.2.2  skrll 					nrs->rs_rates[j] = nrs->rs_rates[j + 1];
    431  1.15.2.2  skrll 				nrs->rs_rates[j] = 0;
    432  1.15.2.2  skrll 				continue;
    433  1.15.2.2  skrll 			}
    434  1.15.2.2  skrll 		}
    435  1.15.2.2  skrll 		if (!ignore) {
    436  1.15.2.2  skrll 			okrate = nrs->rs_rates[i];
    437  1.15.2.2  skrll 			ni->ni_txrate = i;
    438  1.15.2.2  skrll 		}
    439  1.15.2.2  skrll 		i++;
    440  1.15.2.2  skrll 	}
    441  1.15.2.7  skrll 	if (okrate == 0 || error != 0 ||
    442  1.15.2.7  skrll 	    ((flags & IEEE80211_F_DOFRATE) && fixedrate == 0))
    443  1.15.2.2  skrll 		return badrate | IEEE80211_RATE_BASIC;
    444  1.15.2.2  skrll 	else
    445  1.15.2.2  skrll 		return RV(okrate);
    446  1.15.2.2  skrll #undef RV
    447  1.15.2.2  skrll }
    448  1.15.2.2  skrll 
    449  1.15.2.7  skrll /*
    450  1.15.2.7  skrll  * Reset 11g-related state.
    451  1.15.2.7  skrll  */
    452  1.15.2.7  skrll void
    453  1.15.2.7  skrll ieee80211_reset_erp(struct ieee80211com *ic)
    454  1.15.2.7  skrll {
    455  1.15.2.7  skrll 	ic->ic_flags &= ~IEEE80211_F_USEPROT;
    456  1.15.2.7  skrll 	ic->ic_nonerpsta = 0;
    457  1.15.2.7  skrll 	ic->ic_longslotsta = 0;
    458  1.15.2.7  skrll 	/*
    459  1.15.2.7  skrll 	 * Short slot time is enabled only when operating in 11g
    460  1.15.2.7  skrll 	 * and not in an IBSS.  We must also honor whether or not
    461  1.15.2.7  skrll 	 * the driver is capable of doing it.
    462  1.15.2.7  skrll 	 */
    463  1.15.2.7  skrll 	ieee80211_set_shortslottime(ic,
    464  1.15.2.7  skrll 		ic->ic_curmode == IEEE80211_MODE_11A ||
    465  1.15.2.7  skrll 		(ic->ic_curmode == IEEE80211_MODE_11G &&
    466  1.15.2.7  skrll 		ic->ic_opmode == IEEE80211_M_HOSTAP &&
    467  1.15.2.7  skrll 		(ic->ic_caps & IEEE80211_C_SHSLOT)));
    468  1.15.2.7  skrll 	/*
    469  1.15.2.7  skrll 	 * Set short preamble and ERP barker-preamble flags.
    470  1.15.2.7  skrll 	 */
    471  1.15.2.7  skrll 	if (ic->ic_curmode == IEEE80211_MODE_11A ||
    472  1.15.2.7  skrll 	    (ic->ic_caps & IEEE80211_C_SHPREAMBLE)) {
    473  1.15.2.7  skrll 		ic->ic_flags |= IEEE80211_F_SHPREAMBLE;
    474  1.15.2.7  skrll 		ic->ic_flags &= ~IEEE80211_F_USEBARKER;
    475  1.15.2.7  skrll 	} else {
    476  1.15.2.7  skrll 		ic->ic_flags &= ~IEEE80211_F_SHPREAMBLE;
    477  1.15.2.7  skrll 		ic->ic_flags |= IEEE80211_F_USEBARKER;
    478  1.15.2.7  skrll 	}
    479  1.15.2.7  skrll }
    480  1.15.2.7  skrll 
    481  1.15.2.7  skrll /*
    482  1.15.2.7  skrll  * Set the short slot time state and notify the driver.
    483  1.15.2.7  skrll  */
    484  1.15.2.7  skrll void
    485  1.15.2.7  skrll ieee80211_set_shortslottime(struct ieee80211com *ic, int onoff)
    486  1.15.2.7  skrll {
    487  1.15.2.7  skrll 	if (onoff)
    488  1.15.2.7  skrll 		ic->ic_flags |= IEEE80211_F_SHSLOT;
    489  1.15.2.7  skrll 	else
    490  1.15.2.7  skrll 		ic->ic_flags &= ~IEEE80211_F_SHSLOT;
    491  1.15.2.7  skrll 	/* notify driver */
    492  1.15.2.7  skrll 	if (ic->ic_updateslot != NULL)
    493  1.15.2.7  skrll 		ic->ic_updateslot(ic->ic_ifp);
    494  1.15.2.7  skrll }
    495  1.15.2.7  skrll 
    496  1.15.2.7  skrll /*
    497  1.15.2.7  skrll  * Check if the specified rate set supports ERP.
    498  1.15.2.7  skrll  * NB: the rate set is assumed to be sorted.
    499  1.15.2.7  skrll  */
    500  1.15.2.7  skrll int
    501  1.15.2.7  skrll ieee80211_iserp_rateset(struct ieee80211com *ic, struct ieee80211_rateset *rs)
    502  1.15.2.7  skrll {
    503  1.15.2.7  skrll #define N(a)	(sizeof(a) / sizeof(a[0]))
    504  1.15.2.7  skrll 	static const int rates[] = { 2, 4, 11, 22, 12, 24, 48 };
    505  1.15.2.7  skrll 	int i, j;
    506  1.15.2.7  skrll 
    507  1.15.2.7  skrll 	if (rs->rs_nrates < N(rates))
    508  1.15.2.7  skrll 		return 0;
    509  1.15.2.7  skrll 	for (i = 0; i < N(rates); i++) {
    510  1.15.2.7  skrll 		for (j = 0; j < rs->rs_nrates; j++) {
    511  1.15.2.7  skrll 			int r = rs->rs_rates[j] & IEEE80211_RATE_VAL;
    512  1.15.2.7  skrll 			if (rates[i] == r)
    513  1.15.2.7  skrll 				goto next;
    514  1.15.2.7  skrll 			if (r > rates[i])
    515  1.15.2.7  skrll 				return 0;
    516  1.15.2.7  skrll 		}
    517  1.15.2.7  skrll 		return 0;
    518  1.15.2.7  skrll 	next:
    519  1.15.2.7  skrll 		;
    520  1.15.2.7  skrll 	}
    521  1.15.2.7  skrll 	return 1;
    522  1.15.2.7  skrll #undef N
    523  1.15.2.7  skrll }
    524  1.15.2.7  skrll 
    525  1.15.2.7  skrll /*
    526  1.15.2.7  skrll  * Mark the basic rates for the 11g rate table based on the
    527  1.15.2.7  skrll  * operating mode.  For real 11g we mark all the 11b rates
    528  1.15.2.7  skrll  * and 6, 12, and 24 OFDM.  For 11b compatibility we mark only
    529  1.15.2.7  skrll  * 11b rates.  There's also a pseudo 11a-mode used to mark only
    530  1.15.2.7  skrll  * the basic OFDM rates.
    531  1.15.2.7  skrll  */
    532  1.15.2.7  skrll void
    533  1.15.2.7  skrll ieee80211_set11gbasicrates(struct ieee80211_rateset *rs, enum ieee80211_phymode mode)
    534  1.15.2.7  skrll {
    535  1.15.2.7  skrll 	static const struct ieee80211_rateset basic[] = {
    536  1.15.2.7  skrll 	    { 0 },			/* IEEE80211_MODE_AUTO */
    537  1.15.2.7  skrll 	    { 3, { 12, 24, 48 } },	/* IEEE80211_MODE_11A */
    538  1.15.2.7  skrll 	    { 2, { 2, 4 } },		/* IEEE80211_MODE_11B */
    539  1.15.2.7  skrll 	    { 4, { 2, 4, 11, 22 } },	/* IEEE80211_MODE_11G (mixed b/g) */
    540  1.15.2.7  skrll 	    { 0 },			/* IEEE80211_MODE_FH */
    541  1.15.2.7  skrll 					/* IEEE80211_MODE_PUREG (not yet) */
    542  1.15.2.7  skrll 	    { 7, { 2, 4, 11, 22, 12, 24, 48 } },
    543  1.15.2.7  skrll 	};
    544  1.15.2.7  skrll 	int i, j;
    545  1.15.2.7  skrll 
    546  1.15.2.7  skrll 	for (i = 0; i < rs->rs_nrates; i++) {
    547  1.15.2.7  skrll 		rs->rs_rates[i] &= IEEE80211_RATE_VAL;
    548  1.15.2.7  skrll 		for (j = 0; j < basic[mode].rs_nrates; j++)
    549  1.15.2.7  skrll 			if (basic[mode].rs_rates[j] == rs->rs_rates[i]) {
    550  1.15.2.7  skrll 				rs->rs_rates[i] |= IEEE80211_RATE_BASIC;
    551  1.15.2.7  skrll 				break;
    552  1.15.2.7  skrll 			}
    553  1.15.2.7  skrll 	}
    554  1.15.2.7  skrll }
    555  1.15.2.7  skrll 
    556  1.15.2.7  skrll /*
    557  1.15.2.7  skrll  * WME protocol support.  The following parameters come from the spec.
    558  1.15.2.7  skrll  */
    559  1.15.2.7  skrll typedef struct phyParamType {
    560  1.15.2.7  skrll 	u_int8_t aifsn;
    561  1.15.2.7  skrll 	u_int8_t logcwmin;
    562  1.15.2.7  skrll 	u_int8_t logcwmax;
    563  1.15.2.7  skrll 	u_int16_t txopLimit;
    564  1.15.2.7  skrll 	u_int8_t acm;
    565  1.15.2.7  skrll } paramType;
    566  1.15.2.7  skrll 
    567  1.15.2.7  skrll static const struct phyParamType phyParamForAC_BE[IEEE80211_MODE_MAX] = {
    568  1.15.2.7  skrll 	{ 3, 4, 6 },		/* IEEE80211_MODE_AUTO */
    569  1.15.2.7  skrll 	{ 3, 4, 6 },		/* IEEE80211_MODE_11A */
    570  1.15.2.7  skrll 	{ 3, 5, 7 },		/* IEEE80211_MODE_11B */
    571  1.15.2.7  skrll 	{ 3, 4, 6 },		/* IEEE80211_MODE_11G */
    572  1.15.2.7  skrll 	{ 3, 5, 7 },		/* IEEE80211_MODE_FH */
    573  1.15.2.7  skrll 	{ 2, 3, 5 },		/* IEEE80211_MODE_TURBO_A */
    574  1.15.2.7  skrll 	{ 2, 3, 5 },		/* IEEE80211_MODE_TURBO_G */
    575  1.15.2.7  skrll };
    576  1.15.2.7  skrll static const struct phyParamType phyParamForAC_BK[IEEE80211_MODE_MAX] = {
    577  1.15.2.7  skrll 	{ 7, 4, 10 },		/* IEEE80211_MODE_AUTO */
    578  1.15.2.7  skrll 	{ 7, 4, 10 },		/* IEEE80211_MODE_11A */
    579  1.15.2.7  skrll 	{ 7, 5, 10 },		/* IEEE80211_MODE_11B */
    580  1.15.2.7  skrll 	{ 7, 4, 10 },		/* IEEE80211_MODE_11G */
    581  1.15.2.7  skrll 	{ 7, 5, 10 },		/* IEEE80211_MODE_FH */
    582  1.15.2.7  skrll 	{ 7, 3, 10 },		/* IEEE80211_MODE_TURBO_A */
    583  1.15.2.7  skrll 	{ 7, 3, 10 },		/* IEEE80211_MODE_TURBO_G */
    584  1.15.2.7  skrll };
    585  1.15.2.7  skrll static const struct phyParamType phyParamForAC_VI[IEEE80211_MODE_MAX] = {
    586  1.15.2.7  skrll 	{ 1, 3, 4,  94 },	/* IEEE80211_MODE_AUTO */
    587  1.15.2.7  skrll 	{ 1, 3, 4,  94 },	/* IEEE80211_MODE_11A */
    588  1.15.2.7  skrll 	{ 1, 4, 5, 188 },	/* IEEE80211_MODE_11B */
    589  1.15.2.7  skrll 	{ 1, 3, 4,  94 },	/* IEEE80211_MODE_11G */
    590  1.15.2.7  skrll 	{ 1, 4, 5, 188 },	/* IEEE80211_MODE_FH */
    591  1.15.2.7  skrll 	{ 1, 2, 3,  94 },	/* IEEE80211_MODE_TURBO_A */
    592  1.15.2.7  skrll 	{ 1, 2, 3,  94 },	/* IEEE80211_MODE_TURBO_G */
    593  1.15.2.7  skrll };
    594  1.15.2.7  skrll static const struct phyParamType phyParamForAC_VO[IEEE80211_MODE_MAX] = {
    595  1.15.2.7  skrll 	{ 1, 2, 3,  47 },	/* IEEE80211_MODE_AUTO */
    596  1.15.2.7  skrll 	{ 1, 2, 3,  47 },	/* IEEE80211_MODE_11A */
    597  1.15.2.7  skrll 	{ 1, 3, 4, 102 },	/* IEEE80211_MODE_11B */
    598  1.15.2.7  skrll 	{ 1, 2, 3,  47 },	/* IEEE80211_MODE_11G */
    599  1.15.2.7  skrll 	{ 1, 3, 4, 102 },	/* IEEE80211_MODE_FH */
    600  1.15.2.7  skrll 	{ 1, 2, 2,  47 },	/* IEEE80211_MODE_TURBO_A */
    601  1.15.2.7  skrll 	{ 1, 2, 2,  47 },	/* IEEE80211_MODE_TURBO_G */
    602  1.15.2.7  skrll };
    603  1.15.2.7  skrll 
    604  1.15.2.7  skrll static const struct phyParamType bssPhyParamForAC_BE[IEEE80211_MODE_MAX] = {
    605  1.15.2.7  skrll 	{ 3, 4, 10 },		/* IEEE80211_MODE_AUTO */
    606  1.15.2.7  skrll 	{ 3, 4, 10 },		/* IEEE80211_MODE_11A */
    607  1.15.2.7  skrll 	{ 3, 5, 10 },		/* IEEE80211_MODE_11B */
    608  1.15.2.7  skrll 	{ 3, 4, 10 },		/* IEEE80211_MODE_11G */
    609  1.15.2.7  skrll 	{ 3, 5, 10 },		/* IEEE80211_MODE_FH */
    610  1.15.2.7  skrll 	{ 2, 3, 10 },		/* IEEE80211_MODE_TURBO_A */
    611  1.15.2.7  skrll 	{ 2, 3, 10 },		/* IEEE80211_MODE_TURBO_G */
    612  1.15.2.7  skrll };
    613  1.15.2.7  skrll static const struct phyParamType bssPhyParamForAC_VI[IEEE80211_MODE_MAX] = {
    614  1.15.2.7  skrll 	{ 2, 3, 4,  94 },	/* IEEE80211_MODE_AUTO */
    615  1.15.2.7  skrll 	{ 2, 3, 4,  94 },	/* IEEE80211_MODE_11A */
    616  1.15.2.7  skrll 	{ 2, 4, 5, 188 },	/* IEEE80211_MODE_11B */
    617  1.15.2.7  skrll 	{ 2, 3, 4,  94 },	/* IEEE80211_MODE_11G */
    618  1.15.2.7  skrll 	{ 2, 4, 5, 188 },	/* IEEE80211_MODE_FH */
    619  1.15.2.7  skrll 	{ 2, 2, 3,  94 },	/* IEEE80211_MODE_TURBO_A */
    620  1.15.2.7  skrll 	{ 2, 2, 3,  94 },	/* IEEE80211_MODE_TURBO_G */
    621  1.15.2.7  skrll };
    622  1.15.2.7  skrll static const struct phyParamType bssPhyParamForAC_VO[IEEE80211_MODE_MAX] = {
    623  1.15.2.7  skrll 	{ 2, 2, 3,  47 },	/* IEEE80211_MODE_AUTO */
    624  1.15.2.7  skrll 	{ 2, 2, 3,  47 },	/* IEEE80211_MODE_11A */
    625  1.15.2.7  skrll 	{ 2, 3, 4, 102 },	/* IEEE80211_MODE_11B */
    626  1.15.2.7  skrll 	{ 2, 2, 3,  47 },	/* IEEE80211_MODE_11G */
    627  1.15.2.7  skrll 	{ 2, 3, 4, 102 },	/* IEEE80211_MODE_FH */
    628  1.15.2.7  skrll 	{ 1, 2, 2,  47 },	/* IEEE80211_MODE_TURBO_A */
    629  1.15.2.7  skrll 	{ 1, 2, 2,  47 },	/* IEEE80211_MODE_TURBO_G */
    630  1.15.2.7  skrll };
    631  1.15.2.7  skrll 
    632  1.15.2.7  skrll void
    633  1.15.2.7  skrll ieee80211_wme_initparams(struct ieee80211com *ic)
    634  1.15.2.7  skrll {
    635  1.15.2.7  skrll 	struct ieee80211_wme_state *wme = &ic->ic_wme;
    636  1.15.2.7  skrll 	const paramType *pPhyParam, *pBssPhyParam;
    637  1.15.2.7  skrll 	struct wmeParams *wmep;
    638  1.15.2.7  skrll 	int i;
    639  1.15.2.7  skrll 
    640  1.15.2.7  skrll 	if ((ic->ic_caps & IEEE80211_C_WME) == 0)
    641  1.15.2.7  skrll 		return;
    642  1.15.2.7  skrll 
    643  1.15.2.7  skrll 	for (i = 0; i < WME_NUM_AC; i++) {
    644  1.15.2.7  skrll 		switch (i) {
    645  1.15.2.7  skrll 		case WME_AC_BK:
    646  1.15.2.7  skrll 			pPhyParam = &phyParamForAC_BK[ic->ic_curmode];
    647  1.15.2.7  skrll 			pBssPhyParam = &phyParamForAC_BK[ic->ic_curmode];
    648  1.15.2.7  skrll 			break;
    649  1.15.2.7  skrll 		case WME_AC_VI:
    650  1.15.2.7  skrll 			pPhyParam = &phyParamForAC_VI[ic->ic_curmode];
    651  1.15.2.7  skrll 			pBssPhyParam = &bssPhyParamForAC_VI[ic->ic_curmode];
    652  1.15.2.7  skrll 			break;
    653  1.15.2.7  skrll 		case WME_AC_VO:
    654  1.15.2.7  skrll 			pPhyParam = &phyParamForAC_VO[ic->ic_curmode];
    655  1.15.2.7  skrll 			pBssPhyParam = &bssPhyParamForAC_VO[ic->ic_curmode];
    656  1.15.2.7  skrll 			break;
    657  1.15.2.7  skrll 		case WME_AC_BE:
    658  1.15.2.7  skrll 		default:
    659  1.15.2.7  skrll 			pPhyParam = &phyParamForAC_BE[ic->ic_curmode];
    660  1.15.2.7  skrll 			pBssPhyParam = &bssPhyParamForAC_BE[ic->ic_curmode];
    661  1.15.2.7  skrll 			break;
    662  1.15.2.7  skrll 		}
    663  1.15.2.7  skrll 
    664  1.15.2.7  skrll 		wmep = &wme->wme_wmeChanParams.cap_wmeParams[i];
    665  1.15.2.7  skrll 		if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
    666  1.15.2.7  skrll 			wmep->wmep_acm = pPhyParam->acm;
    667  1.15.2.7  skrll 			wmep->wmep_aifsn = pPhyParam->aifsn;
    668  1.15.2.7  skrll 			wmep->wmep_logcwmin = pPhyParam->logcwmin;
    669  1.15.2.7  skrll 			wmep->wmep_logcwmax = pPhyParam->logcwmax;
    670  1.15.2.7  skrll 			wmep->wmep_txopLimit = pPhyParam->txopLimit;
    671  1.15.2.7  skrll 		} else {
    672  1.15.2.7  skrll 			wmep->wmep_acm = pBssPhyParam->acm;
    673  1.15.2.7  skrll 			wmep->wmep_aifsn = pBssPhyParam->aifsn;
    674  1.15.2.7  skrll 			wmep->wmep_logcwmin = pBssPhyParam->logcwmin;
    675  1.15.2.7  skrll 			wmep->wmep_logcwmax = pBssPhyParam->logcwmax;
    676  1.15.2.7  skrll 			wmep->wmep_txopLimit = pBssPhyParam->txopLimit;
    677  1.15.2.7  skrll 
    678  1.15.2.7  skrll 		}
    679  1.15.2.7  skrll 		IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME,
    680  1.15.2.7  skrll 			"%s: %s chan [acm %u aifsn %u log2(cwmin) %u "
    681  1.15.2.7  skrll 			"log2(cwmax) %u txpoLimit %u]\n", __func__
    682  1.15.2.7  skrll 			, ieee80211_wme_acnames[i]
    683  1.15.2.7  skrll 			, wmep->wmep_acm
    684  1.15.2.7  skrll 			, wmep->wmep_aifsn
    685  1.15.2.7  skrll 			, wmep->wmep_logcwmin
    686  1.15.2.7  skrll 			, wmep->wmep_logcwmax
    687  1.15.2.7  skrll 			, wmep->wmep_txopLimit
    688  1.15.2.7  skrll 		);
    689  1.15.2.7  skrll 
    690  1.15.2.7  skrll 		wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[i];
    691  1.15.2.7  skrll 		wmep->wmep_acm = pBssPhyParam->acm;
    692  1.15.2.7  skrll 		wmep->wmep_aifsn = pBssPhyParam->aifsn;
    693  1.15.2.7  skrll 		wmep->wmep_logcwmin = pBssPhyParam->logcwmin;
    694  1.15.2.7  skrll 		wmep->wmep_logcwmax = pBssPhyParam->logcwmax;
    695  1.15.2.7  skrll 		wmep->wmep_txopLimit = pBssPhyParam->txopLimit;
    696  1.15.2.7  skrll 		IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME,
    697  1.15.2.7  skrll 			"%s: %s  bss [acm %u aifsn %u log2(cwmin) %u "
    698  1.15.2.7  skrll 			"log2(cwmax) %u txpoLimit %u]\n", __func__
    699  1.15.2.7  skrll 			, ieee80211_wme_acnames[i]
    700  1.15.2.7  skrll 			, wmep->wmep_acm
    701  1.15.2.7  skrll 			, wmep->wmep_aifsn
    702  1.15.2.7  skrll 			, wmep->wmep_logcwmin
    703  1.15.2.7  skrll 			, wmep->wmep_logcwmax
    704  1.15.2.7  skrll 			, wmep->wmep_txopLimit
    705  1.15.2.7  skrll 		);
    706  1.15.2.7  skrll 	}
    707  1.15.2.7  skrll 	/* NB: check ic_bss to avoid NULL deref on initial attach */
    708  1.15.2.7  skrll 	if (ic->ic_bss != NULL) {
    709  1.15.2.7  skrll 		/*
    710  1.15.2.7  skrll 		 * Calculate agressive mode switching threshold based
    711  1.15.2.7  skrll 		 * on beacon interval.  This doesn't need locking since
    712  1.15.2.7  skrll 		 * we're only called before entering the RUN state at
    713  1.15.2.7  skrll 		 * which point we start sending beacon frames.
    714  1.15.2.7  skrll 		 */
    715  1.15.2.7  skrll 		wme->wme_hipri_switch_thresh =
    716  1.15.2.7  skrll 			(HIGH_PRI_SWITCH_THRESH * ic->ic_bss->ni_intval) / 100;
    717  1.15.2.7  skrll 		ieee80211_wme_updateparams(ic);
    718  1.15.2.7  skrll 	}
    719  1.15.2.7  skrll }
    720  1.15.2.7  skrll 
    721  1.15.2.7  skrll /*
    722  1.15.2.7  skrll  * Update WME parameters for ourself and the BSS.
    723  1.15.2.7  skrll  */
    724  1.15.2.7  skrll void
    725  1.15.2.7  skrll ieee80211_wme_updateparams_locked(struct ieee80211com *ic)
    726  1.15.2.7  skrll {
    727  1.15.2.7  skrll 	static const paramType phyParam[IEEE80211_MODE_MAX] = {
    728  1.15.2.7  skrll 		{ 2, 4, 10, 64 },	/* IEEE80211_MODE_AUTO */
    729  1.15.2.7  skrll 		{ 2, 4, 10, 64 },	/* IEEE80211_MODE_11A */
    730  1.15.2.7  skrll 		{ 2, 5, 10, 64 },	/* IEEE80211_MODE_11B */
    731  1.15.2.7  skrll 		{ 2, 4, 10, 64 },	/* IEEE80211_MODE_11G */
    732  1.15.2.7  skrll 		{ 2, 5, 10, 64 },	/* IEEE80211_MODE_FH */
    733  1.15.2.7  skrll 		{ 1, 3, 10, 64 },	/* IEEE80211_MODE_TURBO_A */
    734  1.15.2.7  skrll 		{ 1, 3, 10, 64 },	/* IEEE80211_MODE_TURBO_G */
    735  1.15.2.7  skrll 	};
    736  1.15.2.7  skrll 	struct ieee80211_wme_state *wme = &ic->ic_wme;
    737  1.15.2.7  skrll 	const struct wmeParams *wmep;
    738  1.15.2.7  skrll 	struct wmeParams *chanp, *bssp;
    739  1.15.2.7  skrll 	int i;
    740  1.15.2.7  skrll 
    741  1.15.2.7  skrll        	/* set up the channel access parameters for the physical device */
    742  1.15.2.7  skrll 	for (i = 0; i < WME_NUM_AC; i++) {
    743  1.15.2.7  skrll 		chanp = &wme->wme_chanParams.cap_wmeParams[i];
    744  1.15.2.7  skrll 		wmep = &wme->wme_wmeChanParams.cap_wmeParams[i];
    745  1.15.2.7  skrll 		chanp->wmep_aifsn = wmep->wmep_aifsn;
    746  1.15.2.7  skrll 		chanp->wmep_logcwmin = wmep->wmep_logcwmin;
    747  1.15.2.7  skrll 		chanp->wmep_logcwmax = wmep->wmep_logcwmax;
    748  1.15.2.7  skrll 		chanp->wmep_txopLimit = wmep->wmep_txopLimit;
    749  1.15.2.7  skrll 
    750  1.15.2.7  skrll 		chanp = &wme->wme_bssChanParams.cap_wmeParams[i];
    751  1.15.2.7  skrll 		wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[i];
    752  1.15.2.7  skrll 		chanp->wmep_aifsn = wmep->wmep_aifsn;
    753  1.15.2.7  skrll 		chanp->wmep_logcwmin = wmep->wmep_logcwmin;
    754  1.15.2.7  skrll 		chanp->wmep_logcwmax = wmep->wmep_logcwmax;
    755  1.15.2.7  skrll 		chanp->wmep_txopLimit = wmep->wmep_txopLimit;
    756  1.15.2.7  skrll 	}
    757  1.15.2.7  skrll 
    758  1.15.2.7  skrll 	/*
    759  1.15.2.7  skrll 	 * This implements agressive mode as found in certain
    760  1.15.2.7  skrll 	 * vendors' AP's.  When there is significant high
    761  1.15.2.7  skrll 	 * priority (VI/VO) traffic in the BSS throttle back BE
    762  1.15.2.7  skrll 	 * traffic by using conservative parameters.  Otherwise
    763  1.15.2.7  skrll 	 * BE uses agressive params to optimize performance of
    764  1.15.2.7  skrll 	 * legacy/non-QoS traffic.
    765  1.15.2.7  skrll 	 */
    766  1.15.2.7  skrll         if ((ic->ic_opmode == IEEE80211_M_HOSTAP &&
    767  1.15.2.7  skrll 	     (wme->wme_flags & WME_F_AGGRMODE) == 0) ||
    768  1.15.2.7  skrll 	    (ic->ic_opmode != IEEE80211_M_HOSTAP &&
    769  1.15.2.7  skrll 	     (ic->ic_bss->ni_flags & IEEE80211_NODE_QOS) == 0) ||
    770  1.15.2.7  skrll 	    (ic->ic_flags & IEEE80211_F_WME) == 0) {
    771  1.15.2.7  skrll 		chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE];
    772  1.15.2.7  skrll 		bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE];
    773  1.15.2.7  skrll 
    774  1.15.2.7  skrll 		chanp->wmep_aifsn = bssp->wmep_aifsn =
    775  1.15.2.7  skrll 			phyParam[ic->ic_curmode].aifsn;
    776  1.15.2.7  skrll 		chanp->wmep_logcwmin = bssp->wmep_logcwmin =
    777  1.15.2.7  skrll 			phyParam[ic->ic_curmode].logcwmin;
    778  1.15.2.7  skrll 		chanp->wmep_logcwmax = bssp->wmep_logcwmax =
    779  1.15.2.7  skrll 			phyParam[ic->ic_curmode].logcwmax;
    780  1.15.2.7  skrll 		chanp->wmep_txopLimit = bssp->wmep_txopLimit =
    781  1.15.2.7  skrll 			(ic->ic_caps & IEEE80211_C_BURST) ?
    782  1.15.2.7  skrll 				phyParam[ic->ic_curmode].txopLimit : 0;
    783  1.15.2.7  skrll 		IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME,
    784  1.15.2.7  skrll 			"%s: %s [acm %u aifsn %u log2(cwmin) %u "
    785  1.15.2.7  skrll 			"log2(cwmax) %u txpoLimit %u]\n", __func__
    786  1.15.2.7  skrll 			, ieee80211_wme_acnames[WME_AC_BE]
    787  1.15.2.7  skrll 			, chanp->wmep_acm
    788  1.15.2.7  skrll 			, chanp->wmep_aifsn
    789  1.15.2.7  skrll 			, chanp->wmep_logcwmin
    790  1.15.2.7  skrll 			, chanp->wmep_logcwmax
    791  1.15.2.7  skrll 			, chanp->wmep_txopLimit
    792  1.15.2.7  skrll 		);
    793  1.15.2.7  skrll 	}
    794  1.15.2.7  skrll 
    795  1.15.2.7  skrll #ifndef IEEE80211_NO_HOSTAP
    796  1.15.2.7  skrll 	if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
    797  1.15.2.7  skrll 	    ic->ic_sta_assoc < 2 && (wme->wme_flags & WME_F_AGGRMODE) == 0) {
    798  1.15.2.7  skrll         	static const u_int8_t logCwMin[IEEE80211_MODE_MAX] = {
    799  1.15.2.7  skrll               		3,	/* IEEE80211_MODE_AUTO */
    800  1.15.2.7  skrll               		3,	/* IEEE80211_MODE_11A */
    801  1.15.2.7  skrll               		4,	/* IEEE80211_MODE_11B */
    802  1.15.2.7  skrll               		3,	/* IEEE80211_MODE_11G */
    803  1.15.2.7  skrll               		4,	/* IEEE80211_MODE_FH */
    804  1.15.2.7  skrll               		3,	/* IEEE80211_MODE_TURBO_A */
    805  1.15.2.7  skrll               		3,	/* IEEE80211_MODE_TURBO_G */
    806  1.15.2.7  skrll 		};
    807  1.15.2.7  skrll 		chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE];
    808  1.15.2.7  skrll 		bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE];
    809  1.15.2.7  skrll 
    810  1.15.2.7  skrll 		chanp->wmep_logcwmin = bssp->wmep_logcwmin =
    811  1.15.2.7  skrll 			logCwMin[ic->ic_curmode];
    812  1.15.2.7  skrll 		IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME,
    813  1.15.2.7  skrll 			"%s: %s log2(cwmin) %u\n", __func__
    814  1.15.2.7  skrll 			, ieee80211_wme_acnames[WME_AC_BE]
    815  1.15.2.7  skrll 			, chanp->wmep_logcwmin
    816  1.15.2.7  skrll 		);
    817  1.15.2.7  skrll     	}
    818  1.15.2.7  skrll 	if (ic->ic_opmode == IEEE80211_M_HOSTAP) {	/* XXX ibss? */
    819  1.15.2.7  skrll 		/*
    820  1.15.2.7  skrll 		 * Arrange for a beacon update and bump the parameter
    821  1.15.2.7  skrll 		 * set number so associated stations load the new values.
    822  1.15.2.7  skrll 		 */
    823  1.15.2.7  skrll 		wme->wme_bssChanParams.cap_info =
    824  1.15.2.7  skrll 			(wme->wme_bssChanParams.cap_info+1) & WME_QOSINFO_COUNT;
    825  1.15.2.7  skrll 		ic->ic_flags |= IEEE80211_F_WMEUPDATE;
    826  1.15.2.7  skrll 	}
    827  1.15.2.7  skrll #endif /* !IEEE80211_NO_HOSTAP */
    828  1.15.2.7  skrll 
    829  1.15.2.7  skrll 	wme->wme_update(ic);
    830  1.15.2.7  skrll 
    831  1.15.2.7  skrll 	IEEE80211_DPRINTF(ic, IEEE80211_MSG_WME,
    832  1.15.2.7  skrll 		"%s: WME params updated, cap_info 0x%x\n", __func__,
    833  1.15.2.7  skrll 		ic->ic_opmode == IEEE80211_M_STA ?
    834  1.15.2.7  skrll 			wme->wme_wmeChanParams.cap_info :
    835  1.15.2.7  skrll 			wme->wme_bssChanParams.cap_info);
    836  1.15.2.7  skrll }
    837  1.15.2.7  skrll 
    838  1.15.2.7  skrll void
    839  1.15.2.7  skrll ieee80211_wme_updateparams(struct ieee80211com *ic)
    840  1.15.2.7  skrll {
    841  1.15.2.7  skrll 
    842  1.15.2.7  skrll 	if (ic->ic_caps & IEEE80211_C_WME) {
    843  1.15.2.7  skrll 		IEEE80211_BEACON_LOCK(ic);
    844  1.15.2.7  skrll 		ieee80211_wme_updateparams_locked(ic);
    845  1.15.2.7  skrll 		IEEE80211_BEACON_UNLOCK(ic);
    846  1.15.2.7  skrll 	}
    847  1.15.2.7  skrll }
    848  1.15.2.7  skrll 
    849  1.15.2.7  skrll #ifndef IEEE80211_NO_HOSTAP
    850  1.15.2.7  skrll static void
    851  1.15.2.7  skrll sta_disassoc(void *arg, struct ieee80211_node *ni)
    852  1.15.2.7  skrll {
    853  1.15.2.7  skrll 	struct ieee80211com *ic = arg;
    854  1.15.2.7  skrll 
    855  1.15.2.7  skrll 	if (ni->ni_associd != 0) {
    856  1.15.2.7  skrll 		IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
    857  1.15.2.7  skrll 			IEEE80211_REASON_ASSOC_LEAVE);
    858  1.15.2.7  skrll 		ieee80211_node_leave(ic, ni);
    859  1.15.2.7  skrll 	}
    860  1.15.2.7  skrll }
    861  1.15.2.7  skrll 
    862  1.15.2.7  skrll static void
    863  1.15.2.7  skrll sta_deauth(void *arg, struct ieee80211_node *ni)
    864  1.15.2.7  skrll {
    865  1.15.2.7  skrll 	struct ieee80211com *ic = arg;
    866  1.15.2.7  skrll 
    867  1.15.2.7  skrll 	IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
    868  1.15.2.7  skrll 		IEEE80211_REASON_ASSOC_LEAVE);
    869  1.15.2.7  skrll }
    870  1.15.2.7  skrll #endif /* !IEEE80211_NO_HOSTAP */
    871  1.15.2.7  skrll 
    872  1.15.2.2  skrll static int
    873  1.15.2.7  skrll ieee80211_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
    874  1.15.2.2  skrll {
    875  1.15.2.7  skrll 	struct ifnet *ifp = ic->ic_ifp;
    876  1.15.2.2  skrll 	struct ieee80211_node *ni;
    877  1.15.2.2  skrll 	enum ieee80211_state ostate;
    878  1.15.2.2  skrll 
    879  1.15.2.2  skrll 	ostate = ic->ic_state;
    880  1.15.2.7  skrll 	IEEE80211_DPRINTF(ic, IEEE80211_MSG_STATE, "%s: %s -> %s\n", __func__,
    881  1.15.2.7  skrll 		ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
    882  1.15.2.2  skrll 	ic->ic_state = nstate;			/* state transition */
    883  1.15.2.2  skrll 	ni = ic->ic_bss;			/* NB: no reference held */
    884  1.15.2.2  skrll 	switch (nstate) {
    885  1.15.2.2  skrll 	case IEEE80211_S_INIT:
    886  1.15.2.2  skrll 		switch (ostate) {
    887  1.15.2.2  skrll 		case IEEE80211_S_INIT:
    888  1.15.2.2  skrll 			break;
    889  1.15.2.2  skrll 		case IEEE80211_S_RUN:
    890  1.15.2.2  skrll 			switch (ic->ic_opmode) {
    891  1.15.2.2  skrll 			case IEEE80211_M_STA:
    892  1.15.2.2  skrll 				IEEE80211_SEND_MGMT(ic, ni,
    893  1.15.2.2  skrll 				    IEEE80211_FC0_SUBTYPE_DISASSOC,
    894  1.15.2.2  skrll 				    IEEE80211_REASON_ASSOC_LEAVE);
    895  1.15.2.7  skrll 				ieee80211_sta_leave(ic, ni);
    896  1.15.2.2  skrll 				break;
    897  1.15.2.2  skrll 			case IEEE80211_M_HOSTAP:
    898  1.15.2.7  skrll #ifndef IEEE80211_NO_HOSTAP
    899  1.15.2.7  skrll 				ieee80211_iterate_nodes(&ic->ic_sta,
    900  1.15.2.7  skrll 					sta_disassoc, ic);
    901  1.15.2.7  skrll #endif /* !IEEE80211_NO_HOSTAP */
    902  1.15.2.2  skrll 				break;
    903  1.15.2.2  skrll 			default:
    904  1.15.2.2  skrll 				break;
    905  1.15.2.2  skrll 			}
    906  1.15.2.7  skrll 			goto reset;
    907  1.15.2.2  skrll 		case IEEE80211_S_ASSOC:
    908  1.15.2.2  skrll 			switch (ic->ic_opmode) {
    909  1.15.2.2  skrll 			case IEEE80211_M_STA:
    910  1.15.2.2  skrll 				IEEE80211_SEND_MGMT(ic, ni,
    911  1.15.2.2  skrll 				    IEEE80211_FC0_SUBTYPE_DEAUTH,
    912  1.15.2.2  skrll 				    IEEE80211_REASON_AUTH_LEAVE);
    913  1.15.2.2  skrll 				break;
    914  1.15.2.2  skrll 			case IEEE80211_M_HOSTAP:
    915  1.15.2.7  skrll #ifndef IEEE80211_NO_HOSTAP
    916  1.15.2.7  skrll 				ieee80211_iterate_nodes(&ic->ic_sta,
    917  1.15.2.7  skrll 					sta_deauth, ic);
    918  1.15.2.7  skrll #endif /* !IEEE80211_NO_HOSTAP */
    919  1.15.2.2  skrll 				break;
    920  1.15.2.2  skrll 			default:
    921  1.15.2.2  skrll 				break;
    922  1.15.2.2  skrll 			}
    923  1.15.2.7  skrll 			goto reset;
    924  1.15.2.2  skrll 		case IEEE80211_S_SCAN:
    925  1.15.2.7  skrll 			ieee80211_cancel_scan(ic);
    926  1.15.2.7  skrll 			goto reset;
    927  1.15.2.7  skrll 		case IEEE80211_S_AUTH:
    928  1.15.2.7  skrll 		reset:
    929  1.15.2.2  skrll 			ic->ic_mgt_timer = 0;
    930  1.15.2.2  skrll 			IF_PURGE(&ic->ic_mgtq);
    931  1.15.2.7  skrll 			ieee80211_reset_bss(ic);
    932  1.15.2.2  skrll 			break;
    933  1.15.2.2  skrll 		}
    934  1.15.2.7  skrll 		if (ic->ic_auth->ia_detach != NULL)
    935  1.15.2.7  skrll 			ic->ic_auth->ia_detach(ic);
    936  1.15.2.2  skrll 		break;
    937  1.15.2.2  skrll 	case IEEE80211_S_SCAN:
    938  1.15.2.2  skrll 		switch (ostate) {
    939  1.15.2.2  skrll 		case IEEE80211_S_INIT:
    940  1.15.2.7  skrll 			if ((ic->ic_opmode == IEEE80211_M_HOSTAP ||
    941  1.15.2.7  skrll 			     ic->ic_opmode == IEEE80211_M_IBSS ||
    942  1.15.2.7  skrll 			     ic->ic_opmode == IEEE80211_M_AHDEMO) &&
    943  1.15.2.2  skrll 			    ic->ic_des_chan != IEEE80211_CHAN_ANYC) {
    944  1.15.2.2  skrll 				/*
    945  1.15.2.2  skrll 				 * AP operation and we already have a channel;
    946  1.15.2.2  skrll 				 * bypass the scan and startup immediately.
    947  1.15.2.2  skrll 				 */
    948  1.15.2.2  skrll 				ieee80211_create_ibss(ic, ic->ic_des_chan);
    949  1.15.2.2  skrll 			} else {
    950  1.15.2.7  skrll 				ieee80211_begin_scan(ic, arg);
    951  1.15.2.2  skrll 			}
    952  1.15.2.2  skrll 			break;
    953  1.15.2.2  skrll 		case IEEE80211_S_SCAN:
    954  1.15.2.7  skrll 			/*
    955  1.15.2.7  skrll 			 * Scan next. If doing an active scan and the
    956  1.15.2.7  skrll 			 * channel is not marked passive-only then send
    957  1.15.2.7  skrll 			 * a probe request.  Otherwise just listen for
    958  1.15.2.7  skrll 			 * beacons on the channel.
    959  1.15.2.7  skrll 			 */
    960  1.15.2.7  skrll 			if ((ic->ic_flags & IEEE80211_F_ASCAN) &&
    961  1.15.2.7  skrll 			    (ni->ni_chan->ic_flags & IEEE80211_CHAN_PASSIVE) == 0) {
    962  1.15.2.2  skrll 				IEEE80211_SEND_MGMT(ic, ni,
    963  1.15.2.2  skrll 				    IEEE80211_FC0_SUBTYPE_PROBE_REQ, 0);
    964  1.15.2.2  skrll 			}
    965  1.15.2.2  skrll 			break;
    966  1.15.2.2  skrll 		case IEEE80211_S_RUN:
    967  1.15.2.2  skrll 			/* beacon miss */
    968  1.15.2.2  skrll 			IEEE80211_DPRINTF(ic, IEEE80211_MSG_STATE,
    969  1.15.2.7  skrll 				"no recent beacons from %s; rescanning\n",
    970  1.15.2.7  skrll 				ether_sprintf(ic->ic_bss->ni_bssid));
    971  1.15.2.7  skrll 			ieee80211_sta_leave(ic, ni);
    972  1.15.2.7  skrll 			ic->ic_flags &= ~IEEE80211_F_SIBSS;	/* XXX */
    973  1.15.2.2  skrll 			/* FALLTHRU */
    974  1.15.2.2  skrll 		case IEEE80211_S_AUTH:
    975  1.15.2.2  skrll 		case IEEE80211_S_ASSOC:
    976  1.15.2.2  skrll 			/* timeout restart scan */
    977  1.15.2.7  skrll 			ni = ieee80211_find_node(&ic->ic_scan,
    978  1.15.2.7  skrll 				ic->ic_bss->ni_macaddr);
    979  1.15.2.2  skrll 			if (ni != NULL) {
    980  1.15.2.2  skrll 				ni->ni_fails++;
    981  1.15.2.7  skrll 				ieee80211_unref_node(&ni);
    982  1.15.2.2  skrll 			}
    983  1.15.2.7  skrll 			if (ic->ic_roaming == IEEE80211_ROAMING_AUTO)
    984  1.15.2.7  skrll 				ieee80211_begin_scan(ic, arg);
    985  1.15.2.2  skrll 			break;
    986  1.15.2.2  skrll 		}
    987  1.15.2.2  skrll 		break;
    988  1.15.2.2  skrll 	case IEEE80211_S_AUTH:
    989  1.15.2.2  skrll 		switch (ostate) {
    990  1.15.2.2  skrll 		case IEEE80211_S_INIT:
    991  1.15.2.2  skrll 		case IEEE80211_S_SCAN:
    992  1.15.2.2  skrll 			IEEE80211_SEND_MGMT(ic, ni,
    993  1.15.2.2  skrll 			    IEEE80211_FC0_SUBTYPE_AUTH, 1);
    994  1.15.2.2  skrll 			break;
    995  1.15.2.2  skrll 		case IEEE80211_S_AUTH:
    996  1.15.2.2  skrll 		case IEEE80211_S_ASSOC:
    997  1.15.2.7  skrll 			switch (arg) {
    998  1.15.2.2  skrll 			case IEEE80211_FC0_SUBTYPE_AUTH:
    999  1.15.2.2  skrll 				/* ??? */
   1000  1.15.2.2  skrll 				IEEE80211_SEND_MGMT(ic, ni,
   1001  1.15.2.2  skrll 				    IEEE80211_FC0_SUBTYPE_AUTH, 2);
   1002  1.15.2.2  skrll 				break;
   1003  1.15.2.2  skrll 			case IEEE80211_FC0_SUBTYPE_DEAUTH:
   1004  1.15.2.2  skrll 				/* ignore and retry scan on timeout */
   1005  1.15.2.2  skrll 				break;
   1006  1.15.2.2  skrll 			}
   1007  1.15.2.2  skrll 			break;
   1008  1.15.2.2  skrll 		case IEEE80211_S_RUN:
   1009  1.15.2.7  skrll 			switch (arg) {
   1010  1.15.2.2  skrll 			case IEEE80211_FC0_SUBTYPE_AUTH:
   1011  1.15.2.2  skrll 				IEEE80211_SEND_MGMT(ic, ni,
   1012  1.15.2.2  skrll 				    IEEE80211_FC0_SUBTYPE_AUTH, 2);
   1013  1.15.2.2  skrll 				ic->ic_state = ostate;	/* stay RUN */
   1014  1.15.2.2  skrll 				break;
   1015  1.15.2.2  skrll 			case IEEE80211_FC0_SUBTYPE_DEAUTH:
   1016  1.15.2.7  skrll 				ieee80211_sta_leave(ic, ni);
   1017  1.15.2.7  skrll 				if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) {
   1018  1.15.2.7  skrll 					/* try to reauth */
   1019  1.15.2.7  skrll 					IEEE80211_SEND_MGMT(ic, ni,
   1020  1.15.2.7  skrll 					    IEEE80211_FC0_SUBTYPE_AUTH, 1);
   1021  1.15.2.7  skrll 				}
   1022  1.15.2.2  skrll 				break;
   1023  1.15.2.2  skrll 			}
   1024  1.15.2.2  skrll 			break;
   1025  1.15.2.2  skrll 		}
   1026  1.15.2.2  skrll 		break;
   1027  1.15.2.2  skrll 	case IEEE80211_S_ASSOC:
   1028  1.15.2.2  skrll 		switch (ostate) {
   1029  1.15.2.2  skrll 		case IEEE80211_S_INIT:
   1030  1.15.2.2  skrll 		case IEEE80211_S_SCAN:
   1031  1.15.2.2  skrll 		case IEEE80211_S_ASSOC:
   1032  1.15.2.2  skrll 			IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY,
   1033  1.15.2.7  skrll 				"%s: invalid transition\n", __func__);
   1034  1.15.2.2  skrll 			break;
   1035  1.15.2.2  skrll 		case IEEE80211_S_AUTH:
   1036  1.15.2.2  skrll 			IEEE80211_SEND_MGMT(ic, ni,
   1037  1.15.2.2  skrll 			    IEEE80211_FC0_SUBTYPE_ASSOC_REQ, 0);
   1038  1.15.2.2  skrll 			break;
   1039  1.15.2.2  skrll 		case IEEE80211_S_RUN:
   1040  1.15.2.7  skrll 			ieee80211_sta_leave(ic, ni);
   1041  1.15.2.7  skrll 			if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) {
   1042  1.15.2.7  skrll 				IEEE80211_SEND_MGMT(ic, ni,
   1043  1.15.2.7  skrll 				    IEEE80211_FC0_SUBTYPE_ASSOC_REQ, 1);
   1044  1.15.2.7  skrll 			}
   1045  1.15.2.2  skrll 			break;
   1046  1.15.2.2  skrll 		}
   1047  1.15.2.2  skrll 		break;
   1048  1.15.2.2  skrll 	case IEEE80211_S_RUN:
   1049  1.15.2.7  skrll 		if (ic->ic_flags & IEEE80211_F_WPA) {
   1050  1.15.2.7  skrll 			/* XXX validate prerequisites */
   1051  1.15.2.7  skrll 		}
   1052  1.15.2.2  skrll 		switch (ostate) {
   1053  1.15.2.2  skrll 		case IEEE80211_S_INIT:
   1054  1.15.2.7  skrll 			if (ic->ic_opmode == IEEE80211_M_MONITOR)
   1055  1.15.2.7  skrll 				break;
   1056  1.15.2.7  skrll 			/* fall thru... */
   1057  1.15.2.2  skrll 		case IEEE80211_S_AUTH:
   1058  1.15.2.2  skrll 			IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY,
   1059  1.15.2.7  skrll 				"%s: invalid transition\n", __func__);
   1060  1.15.2.7  skrll 			/* fall thru... */
   1061  1.15.2.7  skrll 		case IEEE80211_S_RUN:
   1062  1.15.2.2  skrll 			break;
   1063  1.15.2.2  skrll 		case IEEE80211_S_SCAN:		/* adhoc/hostap mode */
   1064  1.15.2.2  skrll 		case IEEE80211_S_ASSOC:		/* infra mode */
   1065  1.15.2.2  skrll 			IASSERT(ni->ni_txrate < ni->ni_rates.rs_nrates,
   1066  1.15.2.7  skrll 				("%s: bogus xmit rate %u setup\n", __func__,
   1067  1.15.2.2  skrll 					ni->ni_txrate));
   1068  1.15.2.2  skrll #ifdef IEEE80211_DEBUG
   1069  1.15.2.2  skrll 			if (ieee80211_msg_debug(ic)) {
   1070  1.15.2.2  skrll 				if (ic->ic_opmode == IEEE80211_M_STA)
   1071  1.15.2.7  skrll 					if_printf(ifp, "associated ");
   1072  1.15.2.2  skrll 				else
   1073  1.15.2.7  skrll 					if_printf(ifp, "synchronized ");
   1074  1.15.2.2  skrll 				printf("with %s ssid ",
   1075  1.15.2.2  skrll 				    ether_sprintf(ni->ni_bssid));
   1076  1.15.2.2  skrll 				ieee80211_print_essid(ic->ic_bss->ni_essid,
   1077  1.15.2.2  skrll 				    ni->ni_esslen);
   1078  1.15.2.2  skrll 				printf(" channel %d start %uMb\n",
   1079  1.15.2.2  skrll 					ieee80211_chan2ieee(ic, ni->ni_chan),
   1080  1.15.2.2  skrll 					IEEE80211_RATE2MBS(ni->ni_rates.rs_rates[ni->ni_txrate]));
   1081  1.15.2.2  skrll 			}
   1082  1.15.2.2  skrll #endif
   1083  1.15.2.2  skrll 			ic->ic_mgt_timer = 0;
   1084  1.15.2.7  skrll 			if (ic->ic_opmode == IEEE80211_M_STA)
   1085  1.15.2.7  skrll 				ieee80211_notify_node_join(ic, ni,
   1086  1.15.2.7  skrll 					arg == IEEE80211_FC0_SUBTYPE_ASSOC_RESP);
   1087  1.15.2.7  skrll 			(*ifp->if_start)(ifp);	/* XXX not authorized yet */
   1088  1.15.2.2  skrll 			break;
   1089  1.15.2.2  skrll 		}
   1090  1.15.2.7  skrll 		/*
   1091  1.15.2.7  skrll 		 * Start/stop the authenticator when operating as an
   1092  1.15.2.7  skrll 		 * AP.  We delay until here to allow configuration to
   1093  1.15.2.7  skrll 		 * happen out of order.
   1094  1.15.2.7  skrll 		 */
   1095  1.15.2.7  skrll 		if (ic->ic_opmode == IEEE80211_M_HOSTAP && /* XXX IBSS/AHDEMO */
   1096  1.15.2.7  skrll 		    ic->ic_auth->ia_attach != NULL) {
   1097  1.15.2.7  skrll 			/* XXX check failure */
   1098  1.15.2.7  skrll 			ic->ic_auth->ia_attach(ic);
   1099  1.15.2.7  skrll 		} else if (ic->ic_auth->ia_detach != NULL) {
   1100  1.15.2.7  skrll 			ic->ic_auth->ia_detach(ic);
   1101  1.15.2.7  skrll 		}
   1102  1.15.2.7  skrll 		/*
   1103  1.15.2.7  skrll 		 * When 802.1x is not in use mark the port authorized
   1104  1.15.2.7  skrll 		 * at this point so traffic can flow.
   1105  1.15.2.7  skrll 		 */
   1106  1.15.2.7  skrll 		if (ni->ni_authmode != IEEE80211_AUTH_8021X)
   1107  1.15.2.7  skrll 			ieee80211_node_authorize(ic, ni);
   1108  1.15.2.7  skrll 		/*
   1109  1.15.2.7  skrll 		 * Enable inactivity processing.
   1110  1.15.2.7  skrll 		 * XXX
   1111  1.15.2.7  skrll 		 */
   1112  1.15.2.7  skrll 		ic->ic_scan.nt_inact_timer = IEEE80211_INACT_WAIT;
   1113  1.15.2.7  skrll 		ic->ic_sta.nt_inact_timer = IEEE80211_INACT_WAIT;
   1114  1.15.2.2  skrll 		break;
   1115  1.15.2.2  skrll 	}
   1116  1.15.2.2  skrll 	return 0;
   1117  1.15.2.2  skrll }
   1118