diff options
Diffstat (limited to 'main/vlan/vlan.pre-up')
| -rw-r--r-- | main/vlan/vlan.pre-up | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/main/vlan/vlan.pre-up b/main/vlan/vlan.pre-up new file mode 100644 index 000000000..450e0d335 --- /dev/null +++ b/main/vlan/vlan.pre-up @@ -0,0 +1,57 @@ +#!/bin/sh +do_vlan_config() { + local device="$1" + local id="$2" + local newname="$3" + local nametype="$4" + vconfig set_name_type ${nametype} + vconfig add ${device} ${id} +} + + +# Preferred method: +# Autoguess construction from #520147 +case "$IFACE" in + *#*) exit 0 ;; + *:*) exit 0 ;; + vlan*.*) exit 0 ;; + vlan*) VLAN_ID="${IFACE#vlan}" NAME1=VLAN;; + *.*) RAW_DEVICE="${IFACE%.*}"; VLAN_ID="${IFACE##*.}" NAME1=DEV;; + *) [ -n "${IF_VLAN_ID}" -o -n "${IF_VLAN_RAW_DEVICE}" ] || exit 0 ;; +esac +case "$VLAN_ID" in + [1-9]*) NAME2=VID_NO_PAD;; + 0???) NAME2=VID;; + 0*) NAME2=VID_NO_PAD;; # Failsafe fallback in case of backward compatability +esac +if [ -n "$IF_VLAN_RAW_DEVICE" ]; then + RAW_DEVICE="$IF_VLAN_RAW_DEVICE" +fi + +# Strip leading 0s +VLAN_ID="${VLAN_ID#0}" +VLAN_ID="${VLAN_ID#0}" +VLAN_ID="${VLAN_ID#0}" +VLAN_ID="${VLAN_ID#0}" +VLAN_ID="$(($VLAN_ID))" +if [ -n "$IF_VLAN_ID" ]; then + VLAN_ID="$IF_VLAN_ID" +fi + +if [ -z "$VLAN_ID" -o -z "$RAW_DEVICE" ]; then + exit 1 +fi + +if [ -n "$RAW_DEVICE" ] && [ -n "$VLAN_ID" ]; then + if ! ip link show dev "$RAW_DEVICE" > /dev/null; then + echo "$RAW_DEVICE does not exist, unable to create $IFACE" + exit 1 + fi + ip link set up dev "$RAW_DEVICE" + do_vlan_config "$RAW_DEVICE" "$VLAN_ID" "$IFACE" "${NAME1}_PLUS_${NAME2}" + if ! ip link show dev "$IFACE" > /dev/null; then + echo "Failed to create vlan device $IFACE on device $RAW_DEVICE with tag $VLAN_ID" + exit 1 + fi +fi + |