network: do not unnecessarily touch interfaces configured as proto=none; bring down...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16266 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index d0aa33d1a43fcce41cc1e1cb179c1d11e768e64c..808463df52ca0ab628e1b5a3459c07a78093c71f 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -84,6 +84,7 @@ prepare_interface() {
        local iface="$1"
        local config="$2"
        local vifmac="$3"
+       local proto
 
        # if we're called for the bridge interface itself, don't bother trying
        # to create any interfaces here. The scripts have already done that, otherwise
@@ -91,9 +92,12 @@ prepare_interface() {
        [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
        
        ifconfig "$iface" 2>/dev/null >/dev/null && {
-               # make sure the interface is removed from any existing bridge and deconfigured 
-               ifconfig "$iface" 0.0.0.0
+               config_get proto "$config" proto
+
+               # make sure the interface is removed from any existing bridge and deconfigured,
+               # (deconfigured only if the interface is not set to proto=none)
                unbridge "$iface"
+               [ "$proto" = none ] || ifconfig "$iface" 0.0.0.0
 
                # Change interface MAC address if requested
                [ -n "$vifmac" ] && {
@@ -287,6 +291,11 @@ setup_interface() {
                        fi
                ;;
        esac
+       [ "$proto" = none ] || {
+               for ifn in `ifconfig | grep "^$iface:" | awk '{print $1}'`; do
+                       ifconfig "$ifn" down
+               done
+       }
        config_set "$config" aliases ""
        config_set "$config" alias_count 0
        config_foreach setup_interface_alias alias "$config" "$iface"