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|
#!/bin/sh
append DRIVERS "atheros"
scan_atheros() {
local device="$1"
local wds
local adhoc sta ap
config_get vifs "$device" vifs
for vif in $vifs; do
config_get ifname "$vif" ifname
config_set "$vif" ifname "${ifname:-ath}"
config_get mode "$vif" mode
case "$mode" in
adhoc|sta|ap)
append $mode "$vif"
;;
wds)
config_get addr "$vif" bssid
config_get ssid "$vif" ssid
[ -z "$addr" -a -n "$ssid" ] && {
config_set "$vif" wds 1
config_set "$vif" mode sta
mode="sta"
addr="$ssid"
}
${addr:+append $mode "$vif"}
;;
*) echo "$device($vif): Invalid mode, ignored."; continue;;
esac
done
case "${adhoc:+1}:${sta:+1}:${ap+1}" in
# valid mode combinations
1::) wds="";;
:1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
:1:);;
::1);;
::);;
*) echo "$device: Invalid mode combination in config"; return 1;;
esac
config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${wds:+$wds }"
}
disable_atheros() (
local device="$1"
# kill all running hostapd and wpa_supplicant processes that
# are running on atheros vifs
for pid in `pidof hostapd wpa_supplicant`; do
grep ath /proc/$pid/cmdline >/dev/null && \
kill $pid
done
include /lib/network
cd /proc/sys/net
for dev in *; do
grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
ifconfig "$dev" down
unbridge "$dev"
wlanconfig "$dev" destroy
}
done
return 0
)
enable_atheros() {
config_get channel "$device" channel
config_get vifs "$device" vifs
disable_atheros "$device"
local first=1
for vif in $vifs; do
nosbeacon=
config_get ifname "$vif" ifname
config_get enc "$vif" encryption
config_get mode "$vif" mode
[ "$mode" = sta ] && config_get nosbeacon "$device" nosbeacon
config_get ifname "$vif" ifname
ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
[ $? -ne 0 ] && {
echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
continue
}
config_set "$vif" ifname "$ifname"
[ "$first" = 1 ] && {
# only need to change freq band and channel on the first vif
config_get agmode "$device" mode
pureg=0
case "$agmode" in
*b) agmode=11b;;
*bg) agmode=11g;;
*g) agmode=11g; pureg=1;;
*a) agmode=11a;;
*) agmode=11g;;
esac
iwconfig "$ifname" channel 0
iwpriv "$ifname" mode "$agmode"
iwpriv "$ifname" pureg "$pureg"
iwconfig "$ifname" channel "$channel"
}
config_get_bool hidden "$vif" hidden
iwpriv "$ifname" hide_ssid "$hidden"
config_get wds "$vif" wds
case "$wds" in
1|on|enabled) wds=1;;
*) wds=0;;
esac
iwpriv "$ifname" wds "$wds"
wpa=
case "$enc" in
WEP|wep)
for idx in 1 2 3 4; do
config_get key "$vif" "key${idx}"
iwconfig "$ifname" enc "[$idx]" "${key:-off}"
done
config_get key "$vif" key
iwconfig "$ifname" enc "${key:-1}"
;;
PSK|psk|PSK2|psk2)
config_get key "$vif" key
;;
esac
case "$mode" in
wds)
config_get addr "$vif" bssid
iwpriv "$ifname" wds_add "$addr"
;;
*)
config_get ssid "$vif" ssid
;;
esac
[ "$mode" = "sta" ] && {
config_get_bool bgscan "$vif" bgscan 1
iwpriv "$ifname" bgscan "$bgscan"
}
config_get_bool antdiv "$device" diversity 1
sysctl -w dev."$device".diversity="$antdiv" >&-
config_get antrx "$device" rxantenna
if [ -n "$antrx" ]; then
sysctl -w dev."$device".rxantenna="$antrx" >&-
fi
config_get anttx "$device" txantenna
if [ -n "$anttx" ]; then
sysctl -w dev."$device".txantenna="$anttx" >&-
fi
config_get distance "$device" distance
if [ -n "$distance" ]; then
athctrl -i "$device" -d "$distance" >&-
fi
config_get txpwr "$vif" txpower
if [ -n "$txpwr" ]; then
iwconfig "$ifname" txpower "${txpwr%%.*}"
fi
ifconfig "$ifname" up
local net_cfg bridge
net_cfg="$(find_net_config "$vif")"
[ -z "$net_cfg" ] || {
bridge="$(bridge_interface "$net_cfg")"
config_set "$vif" bridge "$bridge"
start_net "$ifname" "$net_cfg"
}
iwconfig "$ifname" essid "$ssid"
case "$mode" in
ap)
hostapd_setup_vif "$vif" madwifi || {
echo "enable_atheros($device): Failed to set up wpa for interface $ifname" >&2
# make sure this wifi interface won't accidentally stay open without encryption
ifconfig "$ifname" down
wlanconfig "$ifname" destroy
continue
}
;;
wds|sta)
case "$enc" in
PSK|psk|PSK2|psk2)
case "$enc" in
PSK|psk)
proto='proto=WPA';;
PSK2|psk2)
proto='proto=RSN';;
esac
cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
ctrl_interface=/var/run/wpa_supplicant
network={
scan_ssid=1
ssid="$ssid"
key_mgmt=WPA-PSK
$proto
psk="$key"
}
EOF
;;
WPA|wpa|WPA2|wpa2)
#add wpa_supplicant calls here
;;
esac
net_cfg="$(find_net_config "$vif")"
[ -z "$net_cfg" ] || {
bridge="$(bridge_interface "$net_cfg")"
}
wpa_supplicant ${bridge:+ -b $bridge} -Bw -D wext -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
;;
esac
first=0
done
}
detect_atheros() {
cd /proc/sys/dev
[ -d ath ] || return
for dev in wifi*; do
config_get type "$dev" type
[ "$type" = atheros ] && return
cat <<EOF
config wifi-device $dev
option type atheros
option channel 5
# option diversity 1
# option txantenna 0
# option rxantenna 0
# option distance 2000
# disable radio to prevent an open ap after reflashing:
option radio 0
config wifi-iface
option device $dev
option network lan
option mode ap
option ssid OpenWrt
option hidden 0
# option txpower 15
# option bgscan enable
option encryption none
EOF
done
}
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