config/udev/network-hotplug-vlan

   1 #!/bin/bash
   2 ############################################################################
   3 #                                                                          #
   4 # This file is part of the IPFire Firewall.                                #
   5 #                                                                          #
   6 # IPFire is free software; you can redistribute it and/or modify           #
   7 # it under the terms of the GNU General Public License as published by     #
   8 # the Free Software Foundation; either version 2 of the License, or        #
   9 # (at your option) any later version.                                      #
  10 #                                                                          #
  11 # IPFire is distributed in the hope that it will be useful,                #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of           #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            #
  14 # GNU General Public License for more details.                             #
  15 #                                                                          #
  16 # You should have received a copy of the GNU General Public License        #
  17 # along with IPFire; if not, write to the Free Software                    #
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA #
  19 #                                                                          #
  20 # Copyright (C) 2015 IPFire Team <info@ipfire.org>                         #
  21 #                                                                          #
  22 ############################################################################
  23
  24 [ -n "${INTERFACE}" ] || exit 2
  25
  26 CONFIG_FILE="/var/ipfire/ethernet/vlans"
  27
  28 # Skip immediately if no configuration file has been found.
  29 [ -e "${CONFIG_FILE}" ] || exit 0
  30
  31 eval $(/usr/local/bin/readhash ${CONFIG_FILE})
  32
  33 for interface in green0 red0 blue0 orange0; do
  34         case "${interface}" in
  35                 green*)
  36                         PARENT_DEV=${GREEN_PARENT_DEV}
  37                         VLAN_ID=${GREEN_VLAN_ID}
  38                         MAC_ADDRESS=${GREEN_MAC_ADDRESS}
  39                         ;;
  40                 red*)
  41                         PARENT_DEV=${RED_PARENT_DEV}
  42                         VLAN_ID=${RED_VLAN_ID}
  43                         MAC_ADDRESS=${RED_MAC_ADDRESS}
  44                         ;;
  45                 blue*)
  46                         PARENT_DEV=${BLUE_PARENT_DEV}
  47                         VLAN_ID=${BLUE_VLAN_ID}
  48                         MAC_ADDRESS=${BLUE_MAC_ADDRESS}
  49                         ;;
  50                 orange*)
  51                         PARENT_DEV=${ORANGE_PARENT_DEV}
  52                         VLAN_ID=${ORANGE_VLAN_ID}
  53                         MAC_ADDRESS=${ORANGE_MAC_ADDRESS}
  54                         ;;
  55         esac
  56
  57         # If the parent device does not match the interface that
  58         # has just come up, we will go on for the next one.
  59         [ "${PARENT_DEV}" = "${INTERFACE}" ] || continue
  60
  61         # Check if the interface does already exists.
  62         # If so, we skip creating it.
  63         if [ -d "/sys/class/net/${interface}" ]; then
  64                 echo "Interface ${interface} already exists." >&2
  65                 continue
  66         fi
  67
  68         if [ -z "${VLAN_ID}" ]; then
  69                 echo "${interface}: You did not set the VLAN ID." >&2
  70                 continue
  71         fi
  72
  73         # Build command line.
  74         command="ip link add link ${PARENT_DEV} name ${interface}"
  75         if [ -n "${MAC_ADDRESS}" ]; then
  76                 command="${command} address ${MAC_ADDRESS}"
  77         fi
  78         command="${command} type vlan id ${VLAN_ID}"
  79
  80         echo "Creating VLAN interface ${interface}..."
  81         ${command}
  82
  83         # Bring up the parent device.
  84         ip link set ${PARENT_DEV} up
  85 done
  86
  87 exit 0