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mac80211: store the device path as identifier in the config instead of the mac address, makes it more robust against card replacement or user errors

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33834 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2012-10-18 00:09:55 +00:00
parent 3cd6424cb6
commit 8691e346bf
1 changed files with 38 additions and 10 deletions
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48
package/mac80211/files/lib/wifi/mac80211.sh
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@ -184,26 +184,46 @@ mac80211_start_vif() {
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 "$device" macaddr | tr 'A-Z' 'a-z')"
[ -n "$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="$1"
local macaddr="$(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
done
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
}
@ -575,12 +595,20 @@ detect_mac80211() {
}
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