network-hooks/vlan

   1 #!/bin/sh
   2
   3 # Most of this stuff is to enable vlans, it's really only needed by bridge_utils
   4 case "$IFACE" in
   5   # Ignore any alias (#272891) which uses <interface>:<alabel>
   6   *:*)
   7     exit 0
   8   ;;
   9   vlan[0-9]*)
  10     VLANID=`echo $IFACE|sed "s/vlan*//"`
  11   ;;
  12   *.[0-9]*)
  13     # Silently ignore interfaces which ifupdown handles on its own
  14     # If IF_BRIDGE_PORTS is set, probably we're called by bridge-utils
  15     [ -z "$IF_VLAN_RAW_DEVICE" -a -z "$IF_BRIDGE_PORTS" ] && exit 0
  16     VLANID=`echo $IFACE|sed "s/[a-zA-Z0-9]*\.//g"`
  17     IF_VLAN_RAW_DEVICE=`echo $IFACE|sed "s/\([a-zA-Z0-9]*\)\..*/\1/"`
  18   ;;
  19
  20   *)
  21     exit 0
  22   ;;
  23 esac
  24
  25 if [ -n "$IF_VLAN_RAW_DEVICE" ]; then
  26     if ! ip link show dev "$IF_VLAN_RAW_DEVICE" > /dev/null; then
  27         echo "$IF_VLAN_RAW_DEVICE does not exist, unable to create $IFACE"
  28         exit 1
  29     fi
  30     if [ ! -e "/sys/class/net/$IFACE" ]; then
  31         ip link set up dev $IF_VLAN_RAW_DEVICE
  32         ip link add link $IF_VLAN_RAW_DEVICE name $IFACE type vlan id $VLANID
  33     fi
  34
  35 fi
  36
  37 # This is not vlan specific, and should actually go somewhere else.
  38 if [ -n "$IF_HW_MAC_ADDRESS" ]; then
  39     ip link set $IFACE address $IF_HW_MAC_ADDRESS
  40 fi