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|
#!/bin/sh
append DRIVERS "mac80211"
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')"
[ -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
}
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
}
check_mac80211_device() {
config_get phy "$1" phy
[ -z "$phy" ] && {
find_mac80211_phy "$1" >/dev/null || return 0
config_get phy "$1" phy
}
[ "$phy" = "$dev" ] && found=1
}
detect_mac80211() {
devidx=0
config_load wireless
while :; do
config_get type "radio$devidx" type
[ -n "$type" ] || break
devidx=$(($devidx + 1))
done
for dev in $(ls /sys/class/ieee80211); do
found=0
config_foreach check_mac80211_device wifi-device
[ "$found" -gt 0 ] && continue
mode_11n=""
mode_band="g"
channel="11"
htmode=""
ht_cap=0
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"
htmode="HT20"
list=" list ht_capab"
[ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$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 "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
vht_cap=$(iw phy "$dev" info | grep -c 'VHT Capabilities')
[ "$vht_cap" -gt 0 ] && {
mode_band="a";
channel="36"
htmode="VHT80"
}
[ -n $htmode ] && append ht_capab " option htmode $htmode" "$N"
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 ${channel}
option hwmode 11${mode_11n}${mode_band}
$dev_id
$ht_capab
# REMOVE THIS LINE TO ENABLE WIFI:
option disabled 1
config wifi-iface
option device radio$devidx
option network lan
option mode ap
option ssid OpenWrt
option encryption none
EOF
devidx=$(($devidx + 1))
done
}
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