mac80211/hostapd: short_preamble is a per-vif option and should be enabled by default
[openwrt.git] / package / mac80211 / files / lib / wifi / mac80211.sh
index efceebb..1ad3eb5 100644 (file)
 #!/bin/sh
 append DRIVERS "mac80211"
 
-find_mac80211_phy() {
-       config_get device "$1"
+mac80211_hostapd_setup_base() {
+       local phy="$1"
+       local ifname="$2"
+
+       cfgfile="/var/run/hostapd-$phy.conf"
+
+       config_get device "$vif" device
+       config_get country "$device" country
+       config_get hwmode "$device" hwmode
+       config_get channel "$device" channel
+       config_get beacon_int "$device" beacon_int
+       config_get basic_rate_list "$device" basic_rate
+       config_get_bool noscan "$device" noscan
+
+       hostapd_set_log_options base_cfg "$device"
+
+       [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
+
+       [ "$channel" = auto ] && {
+               channel=$(iw phy "$phy" info | \
+                       sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
+               config_set "$device" channel "$channel"
+       }
+
+       [ -n "$hwmode" ] && {
+               config_get hwmode_11n "$device" hwmode_11n
+               [ -n "$hwmode_11n" ] && {
+                       hwmode="$hwmode_11n"
+                       append base_cfg "ieee80211n=1" "$N"
+                       config_get htmode "$device" htmode
+                       config_get ht_capab_list "$device" ht_capab
+                       case "$htmode" in
+                               HT20|HT40+|HT40-) ht_capab="[$htmode]";;
+                               *)ht_capab=;;
+                       esac
+                       for cap in $ht_capab_list; do
+                               ht_capab="$ht_capab[$cap]"
+                       done
+                       [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
+               }
+       }
+
+       local country_ie=0
+       [ -n "$country" ] && country_ie=1
+       config_get_bool country_ie "$device" country_ie "$country_ie"
+       [ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
+
+       local br brval brstr
+       [ -n "$basic_rate_list" ] && {
+               for br in $basic_rate_list; do
+                       brval="$(($br / 100))"
+                       [ -n "$brstr" ] && brstr="$brstr "
+                       brstr="$brstr$brval"
+               done
+       }
+
+       cat >> "$cfgfile" <<EOF
+ctrl_interface=/var/run/hostapd-$phy
+driver=nl80211
+wmm_ac_bk_cwmin=4
+wmm_ac_bk_cwmax=10
+wmm_ac_bk_aifs=7
+wmm_ac_bk_txop_limit=0
+wmm_ac_bk_acm=0
+wmm_ac_be_aifs=3
+wmm_ac_be_cwmin=4
+wmm_ac_be_cwmax=10
+wmm_ac_be_txop_limit=0
+wmm_ac_be_acm=0
+wmm_ac_vi_aifs=2
+wmm_ac_vi_cwmin=3
+wmm_ac_vi_cwmax=4
+wmm_ac_vi_txop_limit=94
+wmm_ac_vi_acm=0
+wmm_ac_vo_aifs=2
+wmm_ac_vo_cwmin=2
+wmm_ac_vo_cwmax=3
+wmm_ac_vo_txop_limit=47
+wmm_ac_vo_acm=0
+tx_queue_data3_aifs=7
+tx_queue_data3_cwmin=15
+tx_queue_data3_cwmax=1023
+tx_queue_data3_burst=0
+tx_queue_data2_aifs=3
+tx_queue_data2_cwmin=15
+tx_queue_data2_cwmax=63
+tx_queue_data2_burst=0
+tx_queue_data1_aifs=1
+tx_queue_data1_cwmin=7
+tx_queue_data1_cwmax=15
+tx_queue_data1_burst=3.0
+tx_queue_data0_aifs=1
+tx_queue_data0_cwmin=3
+tx_queue_data0_cwmax=7
+tx_queue_data0_burst=1.5
+${hwmode:+hw_mode=$hwmode}
+${channel:+channel=$channel}
+${beacon_int:+beacon_int=$beacon_int}
+${country:+country_code=$country}
+${noscan:+noscan=$noscan}
+${brstr:+basic_rates=$brstr}
+$base_cfg
+
+EOF
+}
+
+mac80211_hostapd_setup_bss() {
+       local phy="$1"
+       local vif="$2"
+
+       hostapd_cfg=
+       cfgfile="/var/run/hostapd-$phy.conf"
+       config_get ifname "$vif" ifname
+
+       if [ -f "$cfgfile" ]; then
+               append hostapd_cfg "bss=$ifname" "$N"
+       else
+               mac80211_hostapd_setup_base "$phy" "$ifname"
+               append hostapd_cfg "interface=$ifname" "$N"
+       fi
+
+       local net_cfg bridge
+       net_cfg="$(find_net_config "$vif")"
+       [ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
+       config_set "$vif" bridge "$bridge"
+
+       hostapd_set_bss_options hostapd_cfg "$vif"
+
+       config_get_bool wds "$vif" wds 0
+       [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
+
+       local macaddr hidden maxassoc wmm
+       config_get macaddr "$vif" macaddr
+       config_get maxassoc "$vif" maxassoc
+       config_get dtim_period "$vif" dtim_period
+       config_get max_listen_int "$vif" max_listen_int
+       config_get_bool hidden "$vif" hidden 0
+       config_get_bool wmm "$vif" wmm 1
+       cat >> /var/run/hostapd-$phy.conf <<EOF
+$hostapd_cfg
+wmm_enabled=$wmm
+bssid=$macaddr
+ignore_broadcast_ssid=$hidden
+${dtim_period:+dtim_period=$dtim_period}
+${max_listen_int:+max_listen_interval=$max_listen_int}
+${maxassoc:+max_num_sta=$maxassoc}
+EOF
+}
+
+mac80211_start_vif() {
+       local vif="$1"
+       local ifname="$2"
+
+       local net_cfg
+       net_cfg="$(find_net_config "$vif")"
+       [ -z "$net_cfg" ] || start_net "$ifname" "$net_cfg"
+
+       set_wifi_up "$vif" "$ifname"
+}
+
+lookup_phy() {
+       [ -n "$phy" ] && {
+               [ -d /sys/class/ieee80211/$phy ] && return
+       }
+
+       local devpath
+       config_get devpath "$device" path
+       [ -n "$devpath" -a -d "/sys/devices/$devpath/ieee80211" ] && {
+               phy="$(ls /sys/devices/$devpath/ieee80211 | grep -m 1 phy)"
+               [ -n "$phy" ] && return
+       }
 
        local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
-       config_get phy "$device" phy
-       [ -z "$phy" -a -n "$macaddr" ] && {
-               for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
-                       [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
-                       config_set "$device" phy "$phy"
-                       break
+       [ -n "$macaddr" ] && {
+               for _phy in $(ls /sys/class/ieee80211 2>/dev/null); do
+                       [ "$macaddr" = "$(cat /sys/class/ieee80211/${_phy}/macaddress)" ] || continue
+                       phy="$_phy"
+                       return
                done
-               config_get phy "$device" phy
        }
+       phy=
+       return
+}
+
+find_mac80211_phy() {
+       local device="$1"
+
+       config_get phy "$device" phy
+       lookup_phy
        [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
                echo "PHY for wifi device $1 not found"
                return 1
        }
+       config_set "$device" phy "$phy"
+
+       config_get macaddr "$device" macaddr
        [ -z "$macaddr" ] && {
                config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
        }
+
        return 0
 }
 
 scan_mac80211() {
        local device="$1"
-       local adhoc sta ap monitor mesh
+       local adhoc sta ap monitor mesh disabled
 
        config_get vifs "$device" vifs
        for vif in $vifs; do
+               config_get_bool disabled "$vif" disabled 0
+               [ $disabled = 0 ] || continue
+
                config_get mode "$vif" mode
                case "$mode" in
                        adhoc|sta|ap|monitor|mesh)
@@ -42,6 +225,14 @@ scan_mac80211() {
        config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
 }
 
+list_phy_interfaces() {
+       local phy="$1"
+       if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
+               ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
+       else
+               ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
+       fi
+}
 
 disable_mac80211() (
        local device="$1"
@@ -52,13 +243,18 @@ disable_mac80211() (
        set_wifi_down "$device"
        # kill all running hostapd and wpa_supplicant processes that
        # are running on atheros/mac80211 vifs
-       for pid in `pidof hostapd wpa_supplicant`; do
-               grep wlan /proc/$pid/cmdline >/dev/null && \
+       for pid in `pidof hostapd`; do
+               grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
                        kill $pid
        done
 
        include /lib/network
-       for wdev in $(ls /sys/class/ieee80211/${phy}/device/net 2>/dev/null); do
+       for wdev in $(list_phy_interfaces "$phy"); do
+               [ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
+               for pid in `pidof wpa_supplicant`; do
+                       grep "$wdev" /proc/$pid/cmdline >/dev/null && \
+                               kill $pid
+               done
                ifconfig "$wdev" down 2>/dev/null
                unbridge "$dev"
                iw dev "$wdev" del
@@ -66,47 +262,83 @@ disable_mac80211() (
 
        return 0
 )
+
 get_freq() {
        local phy="$1"
        local chan="$2"
        iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 }
+
+mac80211_generate_mac() {
+       local off="$1"
+       local mac="$2"
+       local oIFS="$IFS"; IFS=":"; set -- $mac; IFS="$oIFS"
+
+       local b2mask=0x00
+       [ $off -gt 0 ] && b2mask=0x02
+
+       printf "%02x:%s:%s:%s:%02x:%02x" \
+               $(( 0x$1 | $b2mask )) $2 $3 $4 \
+               $(( (0x$5 + ($off / 0x100)) % 0x100 )) \
+               $(( (0x$6 + $off) % 0x100 ))
+}
+
 enable_mac80211() {
        local device="$1"
        config_get channel "$device" channel
        config_get vifs "$device" vifs
        config_get txpower "$device" txpower
        config_get country "$device" country
+       config_get distance "$device" distance
+       config_get txantenna "$device" txantenna all
+       config_get rxantenna "$device" rxantenna all
+       config_get antenna_gain "$device" antenna_gain 0
+       config_get frag "$device" frag
+       config_get rts "$device" rts
        find_mac80211_phy "$device" || return 0
        config_get phy "$device" phy
        local i=0
+       local macidx=0
+       local apidx=0
        fixed=""
+       local hostapd_ctrl=""
+
+       [ -n "$country" ] && {
+               iw reg get | grep -q "^country $country:" || {
+                       iw reg set "$country"
+                       sleep 1
+               }
+       }
+
+       config_get chanbw "$device" chanbw
+       [ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw
+       [ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath5k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode
 
-       [ -n "$country" ] && iw reg set "$country"
        [ "$channel" = "auto" -o "$channel" = "0" ] || {
                fixed=1
        }
 
+       iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
+       iw phy "$phy" set antenna_gain $antenna_gain
+
+       [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
+       [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
+       [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
+
        export channel fixed
        # convert channel to frequency
        local freq="$(get_freq "$phy" "${fixed:+$channel}")"
 
        wifi_fixup_hwmode "$device" "g"
        for vif in $vifs; do
-               while [ -d "/sys/class/net/wlan$i" ]; do
-                       i=$(($i + 1))
-               done
-
                config_get ifname "$vif" ifname
                [ -n "$ifname" ] || {
-                       ifname="wlan$i"
+                       [ $i -gt 0 ] && ifname="wlan${phy#phy}-$i" || ifname="wlan${phy#phy}"
                }
                config_set "$vif" ifname "$ifname"
 
-               config_get enc "$vif" encryption
                config_get mode "$vif" mode
                config_get ssid "$vif" ssid
-               config_get_bool wds "$vif" wds 0
 
                # It is far easier to delete and create the desired interface
                case "$mode" in
@@ -116,7 +348,8 @@ enable_mac80211() {
                        ap)
                                # Hostapd will handle recreating the interface and
                                # it's accompanying monitor
-                               iw phy "$phy" interface add "$ifname" type managed
+                               apidx="$(($apidx + 1))"
+                               [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
                        ;;
                        mesh)
                                config_get mesh_id "$vif" mesh_id
@@ -127,11 +360,12 @@ enable_mac80211() {
                        ;;
                        sta)
                                local wdsflag
+                               config_get_bool wds "$vif" wds 0
                                [ "$wds" -gt 0 ] && wdsflag="4addr on"
                                iw phy "$phy" interface add "$ifname" type managed $wdsflag
                                config_get_bool powersave "$vif" powersave 0
                                [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
-                               iwconfig "$ifname" power "$powersave"
+                               iw "$ifname" set power_save "$powersave"
                        ;;
                esac
 
@@ -139,149 +373,162 @@ enable_mac80211() {
                # which can either be explicitly set in the device
                # section, or automatically generated
                config_get macaddr "$device" macaddr
-               local mac_1="${macaddr%%:*}"
-               local mac_2="${macaddr#*:}"
-
                config_get vif_mac "$vif" macaddr
                [ -n "$vif_mac" ] || {
-                       if [ "$i" -gt 0 ]; then
-                               offset="$(( 2 + $i * 4 ))"
-                       else
-                               offset="0"
-                       fi
-                       vif_mac="$( printf %02x $(($mac_1 + $offset)) ):$mac_2"
+                       vif_mac="$(mac80211_generate_mac $macidx $macaddr)"
+                       macidx="$(($macidx + 1))"
                }
-               ifconfig "$ifname" hw ether "$vif_mac"
-
-               # We attempt to set teh channel for all interfaces, although
-               # mac80211 may not support it or the driver might not yet
-               [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
+               [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
+               config_set "$vif" macaddr "$vif_mac"
 
-               local key keystring
-
-               # Valid values are:
-               # wpa / wep / none
-               #
                # !! ap !!
                #
                # ALL ap functionality will be passed to hostapd
                #
-               # !! mesh / adhoc / station !!
-               # none -> NO encryption
+               # !! station !!
                #
-               # wep + keymgmt = '' -> we use iw to connect to the
-               # network.
+               # ALL station functionality will be passed to wpa_supplicant
                #
-               # wep + keymgmt = 'NONE' -> wpa_supplicant will be
-               # configured to handle the wep connection
                if [ ! "$mode" = "ap" ]; then
-                       case "$enc" in
-                               wep)
-                                       config_get keymgmt "$vif" keymgmt
-                                       if [ -n "$keymgmt" ]; then
-                                               for idx in 1 2 3 4; do
-                                                       local zidx
-                                                       zidx=$(($idx - 1))
-                                                       config_get key "$vif" "key${idx}"
-                                                       if [ -n "$key" ]; then
-                                                               append keystring "${zidx}:${key} "
-                                                       fi
-                                               done
-                                       fi
-                               ;;
-                               *wpa*|*psk*)
-                                       config_get key "$vif" key
-                               ;;
-                       esac
+                       # We attempt to set the channel for all interfaces, although
+                       # mac80211 may not support it or the driver might not yet
+                       # for ap mode this is handled by hostapd
+                       [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
                fi
 
-               # txpower is not yet implemented in iw
+               i=$(($i + 1))
+       done
+
+       local start_hostapd=
+       rm -f /var/run/hostapd-$phy.conf
+       for vif in $vifs; do
+               config_get mode "$vif" mode
+               [ "$mode" = "ap" ] || continue
+               mac80211_hostapd_setup_bss "$phy" "$vif"
+               start_hostapd=1
+       done
+
+       [ -n "$start_hostapd" ] && {
+               hostapd -P /var/run/wifi-$phy.pid -B /var/run/hostapd-$phy.conf || {
+                       echo "Failed to start hostapd for $phy"
+                       return
+               }
+               sleep 2
+
+               for vif in $vifs; do
+                       config_get mode "$vif" mode
+                       config_get ifname "$vif" ifname
+                       [ "$mode" = "ap" ] || continue
+                       hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd-$phy/$ifname}"
+                       mac80211_start_vif "$vif" "$ifname"
+               done
+       }
+
+       for vif in $vifs; do
+               config_get mode "$vif" mode
+               config_get ifname "$vif" ifname
+               [ "$mode" = "ap" ] || ifconfig "$ifname" up
+
                config_get vif_txpower "$vif" txpower
                # use vif_txpower (from wifi-iface) to override txpower (from
                # wifi-device) if the latter doesn't exist
                txpower="${txpower:-$vif_txpower}"
-               [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
+               [ -z "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
 
-               config_get frag "$vif" frag
-               if [ -n "$frag" ]; then
-                       iw phy "$phy" set frag "${frag%%.*}"
-               fi
-
-               config_get rts "$vif" rts
-               if [ -n "$rts" ]; then
-                       iw phy "$phy" set rts "${frag%%.*}"
-               fi
-
-               ifconfig "$ifname" up
+               case "$mode" in
+                       adhoc)
+                               config_get bssid "$vif" bssid
+                               config_get ssid "$vif" ssid
+                               config_get beacon_int "$device" beacon_int
+                               config_get basic_rate_list "$device" basic_rate
+                               config_get encryption "$vif" encryption
+                               config_get key "$vif" key 1
+                               config_get mcast_rate "$vif" mcast_rate
+                               config_get htmode "$device" htmode
+                               case "$htmode" in
+                                       HT20|HT40+|HT40-) ;;
+                                       *) htmode= ;;
+                               esac
 
-               local net_cfg bridge
-               net_cfg="$(find_net_config "$vif")"
-               [ -z "$net_cfg" ] || {
-                       bridge="$(bridge_interface "$net_cfg")"
-                       config_set "$vif" bridge "$bridge"
-                       start_net "$ifname" "$net_cfg"
-               }
 
-               set_wifi_up "$vif" "$ifname"
-               case "$mode" in
-                       ap)
-                               if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
-                                       hostapd_setup_vif "$vif" nl80211 || {
-                                               echo "enable_mac80211($device): Failed to set up wpa for interface $ifname" >&2
+                               local keyspec=""
+                               [ "$encryption" == "psk" -o "$encryption" == "psk2" ] && {
+                                       if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+                                               wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" $freq $htmode || {
+                                                       echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
+                                                       # make sure this wifi interface won't accidentally stay open without encryption
+                                                       ifconfig "$ifname" down
+                                               }
+                                               mac80211_start_vif "$vif" "$ifname"
+                                               continue
+                                       fi
+                               }
+
+                               [ "$encryption" == "wep" ] && {
+                                       case "$key" in
+                                               [1234])
+                                                       local idx
+                                                       for idx in 1 2 3 4; do
+                                                               local ikey
+                                                               config_get ikey "$vif" "key$idx"
+
+                                                               [ -n "$ikey" ] && {
+                                                                       ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
+                                                                       [ $idx -eq $key ] && ikey="d:$ikey"
+                                                                       append keyspec "$ikey"
+                                                               }
+                                                       done
+                                               ;;
+                                               *) append keyspec "d:0:$(prepare_key_wep "$key")" ;;
+                                       esac
+                               }
+
+                               local br brval brsub brstr
+                               [ -n "$basic_rate_list" ] && {
+                                       for br in $basic_rate_list; do
+                                               brval="$(($br / 1000))"
+                                               brsub="$((($br / 100) % 10))"
+                                               [ "$brsub" -gt 0 ] && brval="$brval.$brsub"
+                                               [ -n "$brstr" ] && brstr="$brstr,"
+                                               brstr="$brstr$brval"
+                                       done
+                               }
+
+                               local mcval=""
+                               [ -n "$mcast_rate" ] && {
+                                       mcval="$(($mcast_rate / 1000))"
+                                       mcsub="$(( ($mcast_rate / 100) % 10 ))"
+                                       [ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
+                               }
+
+                               iw dev "$ifname" ibss join "$ssid" $freq $htmode \
+                                       ${fixed:+fixed-freq} $bssid \
+                                       ${beacon_int:+beacon-interval $beacon_int} \
+                                       ${brstr:+basic-rates $brstr} \
+                                       ${mcval:+mcast-rate $mcval} \
+                                       ${keyspec:+keys $keyspec}
+                       ;;
+                       sta)
+                               if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+                                       wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" || {
+                                               echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
                                                # make sure this wifi interface won't accidentally stay open without encryption
                                                ifconfig "$ifname" down
                                                continue
                                        }
                                fi
                        ;;
-                       adhoc)
-                               config_get bssid "$vif" bssid
-                               iw dev "$ifname" ibss join "$ssid" $freq ${fixed:+fixed-freq} $bssid
-                       ;;
-                       sta|mesh)
-                               config_get bssid "$vif" bssid
-                               case "$enc" in
-                                       wep)
-                                               if [ -n "$keymgmt" ]; then
-                                                       [ -n "$keystring" ] &&
-                                                               iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid key "$keystring"
-                                               else
-                                                       if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
-                                                               wpa_supplicant_setup_vif "$vif" wext || {
-                                                                       echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
-                                                                       # make sure this wifi interface won't accidentally stay open without encryption
-                                                                       ifconfig "$ifname" down
-                                                                       continue
-                                                               }
-                                                       fi
-                                               fi
-                                       ;;
-                                       *wpa*|*psk*)
-                                               config_get key "$vif" key
-                                               if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
-                                                       wpa_supplicant_setup_vif "$vif" wext || {
-                                                               echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
-                                                               # make sure this wifi interface won't accidentally stay open without encryption
-                                                               ifconfig "$ifname" down
-                                                               continue
-                                                       }
-                                               fi
-                                       ;;
-                                       *)
-                                               iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid
-                                       ;;
-                               esac
-
-                       ;;
                esac
+               [ "$mode" = "ap" ] || mac80211_start_vif "$vif" "$ifname"
        done
+
 }
 
 
-check_device() {
+check_mac80211_device() {
        config_get phy "$1" phy
        [ -z "$phy" ] && {
-               find_mac80211_phy "$1" || return 0
+               find_mac80211_phy "$1" >/dev/null || return 0
                config_get phy "$1" phy
        }
        [ "$phy" = "$dev" ] && found=1
@@ -297,37 +544,51 @@ detect_mac80211() {
        done
        for dev in $(ls /sys/class/ieee80211); do
                found=0
-               config_foreach check_device wifi-device
+               config_foreach check_mac80211_device wifi-device
                [ "$found" -gt 0 ] && continue
 
                mode_11n=""
                mode_band="g"
-               channel="5"
+               channel="11"
                ht_cap=0
-               for cap in $(iw phy "$dev" info | grep 'HT capabilities' | cut -d: -f2); do
+               for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
                        ht_cap="$(($ht_cap | $cap))"
                done
                ht_capab="";
                [ "$ht_cap" -gt 0 ] && {
                        mode_11n="n"
+                       append ht_capab "       option htmode   HT20" "$N"
+
                        list="  list ht_capab"
                        [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list  LDPC" "$N"
-                       [ "$(($ht_cap & 2))" -eq 2 ] && append ht_capab "$list  HT40-" "$N"
+                       [ "$(($ht_cap & 16))" -eq 16 ] && append ht_capab "$list        GF" "$N"
                        [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list        SHORT-GI-20" "$N"
                        [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list        SHORT-GI-40" "$N"
+                       [ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list      TX-STBC" "$N"
+                       [ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list      RX-STBC1" "$N"
+                       [ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list      RX-STBC12" "$N"
+                       [ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list      RX-STBC123" "$N"
                        [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list    DSSS_CCK-40" "$N"
                }
                iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
 
+               if [ -x /usr/bin/readlink ]; then
+                       path="$(readlink -f /sys/class/ieee80211/${dev}/device)"
+                       path="${path##/sys/devices/}"
+                       dev_id="        option path     '$path'"
+               else
+                       dev_id="        option macaddr  $(cat /sys/class/ieee80211/${dev}/macaddress)"
+               fi
+
                cat <<EOF
 config wifi-device  radio$devidx
        option type     mac80211
        option channel  ${channel}
-       option macaddr  $(cat /sys/class/ieee80211/${dev}/macaddress)
        option hwmode   11${mode_11n}${mode_band}
+$dev_id
+$ht_capab
        # REMOVE THIS LINE TO ENABLE WIFI:
        option disabled 1
-$ht_capab
 
 config wifi-iface
        option device   radio$devidx