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-rw-r--r--package/mac80211/files/lib/wifi/mac80211.sh195
1 files changed, 195 insertions, 0 deletions
diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
new file mode 100644
index 0000000000..39a7034abd
--- /dev/null
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -0,0 +1,195 @@
+#!/bin/sh
+append DRIVERS "mac80211"
+
+scan_mac80211() {
+ local device="$1"
+ local adhoc sta ap
+
+ config_get vifs "$device" vifs
+ for vif in $vifs; do
+
+ config_get ifname "$vif" ifname
+ config_set "$vif" ifname "${ifname:-$device}"
+
+ config_get mode "$vif" mode
+ case "$mode" in
+ adhoc|sta|ap)
+ append $mode "$vif"
+ ;;
+ *) echo "$device($vif): Invalid mode, ignored."; continue;;
+ esac
+ done
+
+ config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }"
+}
+
+
+disable_mac80211() (
+ local device="$1"
+
+ set_wifi_down "$device"
+ # kill all running hostapd and wpa_supplicant processes that
+ # are running on atheros vifs
+ for pid in `pidof hostapd wpa_supplicant`; do
+ grep wlan /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"
+ }
+ done
+ return 0
+)
+
+enable_mac80211() {
+ local device="$1"
+ config_get channel "$device" channel
+ config_get vifs "$device" vifs
+
+ local first=1
+ for vif in $vifs; do
+ config_get ifname "$vif" ifname
+ config_get enc "$vif" encryption
+ config_get mode "$vif" mode
+
+ config_get ifname "$vif" ifname
+ [ $? -ne 0 ] && {
+ echo "enable_mac80211($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
+ iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
+ ifconfig "$ifname" up
+ sleep 1
+ iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
+ }
+
+ wpa=
+ case "$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
+ key="${key:-1}"
+ case "$key" in
+ [1234]) iwconfig "$ifname" enc "[$key]";;
+ *) iwconfig "$ifname" enc "$key";;
+ esac
+ ;;
+ PSK|psk|PSK2|psk2)
+ config_get key "$vif" key
+ ;;
+ esac
+
+ case "$mode" in
+ adhoc)
+ config_get addr "$vif" bssid
+ [ -z "$addr" ] || {
+ iwconfig "$ifname" ap "$addr"
+ }
+ ;;
+ esac
+ config_get ssid "$vif" ssid
+
+ config_get txpwr "$vif" txpower
+ if [ -n "$txpwr" ]; then
+ iwconfig "$ifname" txpower "${txpwr%%.*}"
+ fi
+
+ config_get frag "$vif" frag
+ if [ -n "$frag" ]; then
+ iwconfig "$ifname" frag "${frag%%.*}"
+ fi
+
+ config_get rts "$vif" rts
+ if [ -n "$rts" ]; then
+ iwconfig "$ifname" rts "${rts%%.*}"
+ fi
+
+ ifconfig "$ifname" up
+ iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
+
+ 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 "$ssid"
+ set_wifi_up "$vif" "$ifname"
+ case "$mode" in
+ ap)
+ if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
+ hostapd_setup_vif "$vif" devicescape || {
+ echo "enable_atheros($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
+ continue
+ }
+ fi
+ ;;
+ 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
+ [ -z "$proto" ] || wpa_supplicant ${bridge:+ -b $bridge} -B -D wext -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
+ ;;
+ esac
+ first=0
+ done
+}
+
+
+detect_mac80211() {
+ cd /sys/class/net
+ for dev in $(ls -d wlan* 2>&-); do
+ config_get type "$dev" type
+ [ "$type" = mac80211 ] && return
+ cat <<EOF
+config wifi-device $dev
+ option type mac80211
+ option channel 5
+
+ # REMOVE THIS LINE TO ENABLE WIFI:
+ option disabled 1
+
+config wifi-iface
+ option device $dev
+ option network lan
+ option mode ap
+ option ssid OpenWrt
+ option encryption none
+EOF
+ done
+}