hooks/vlan

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $NETWORK_DEVICES/services/vlan
   4 #
   5 # Description : VLAN Script
   6 #
   7 # Authors     : Michael Tremer - michael.tremer@ipfire.org
   8 #
   9 # Version     : 00.00
  10 #
  11 # Notes       : This script adds vlan support.
  12 #
  13 ########################################################################
  14
  15 . /lib/network/hook-header
  16
  17 HOOK_NAME=vlan
  18 HOOK_TYPE=port
  19
  20 function port_name() {
  21         echo "${zone}v${ID}"
  22 }
  23
  24 case "${action}" in
  25         help)
  26                 ;;
  27
  28         info)
  29                 echo "HOOK_NAME=${HOOK_NAME}"
  30                 echo "HOOK_TYPE=${HOOK_TYPE}"
  31                 ;;
  32
  33         pre-up)
  34                 # Load the kernel module
  35                 grep -q ^8021q /proc/modules || modprobe 8021q
  36
  37                 if ! port_is_up $(port_name); then
  38                         MESSAGE="Adding VLAN ${ID} to port ${MAC}..."
  39
  40                         if ! device_is_up $(devicify ${MAC}); then
  41                                 ip link set $(devicify ${MAC}) up
  42                         fi
  43                         vconfig add $(devicify ${MAC}) ${ID} >/dev/null
  44                         evaluate_retval
  45
  46                         device_rename $(get_device_by_mac_and_vid ${MAC} ${ID}) $(port_name)
  47                         ip link set $(port_name) up
  48
  49                         ebtables -t broute -A BROUTING -p 802_1Q --vlan-id=${ID} -j DROP
  50                 fi
  51                 ;;
  52
  53         post-up)
  54                 if ! zone_has_device_attached ${zone} $(port_name); then
  55                         zone_add_port ${zone} $(get_device ${MAC} ${ID})
  56                 fi
  57                 ;;
  58
  59         pre-down)
  60                 if zone_has_device_attached ${zone} $(port_name); then
  61                         zone_del_port ${zone} $(get_device_by_mac_and_vid ${MAC} ${ID})
  62                 fi
  63                 ;;
  64
  65         post-down)
  66                 if port_is_up $(port_name); then
  67                         MESSAGE="Removing VLAN ${ID} from port ${MAC}..."
  68
  69                         vconfig rem $(get_device_by_mac_and_vid ${MAC} ${ID}) >/dev/null
  70                         evaluate_retval
  71
  72                         ebtables -t broute -D BROUTING -p 802_1Q --vlan-id=${ID} -j DROP
  73                 fi
  74                 ;;
  75
  76         add)
  77                 MAC=$(macify ${1})
  78                 ID=${2} # Must be integer between 1 and 4096
  79
  80                 UUID=$(uuid)
  81                 cat <<EOF > ${CONFIG_UUIDS}/${UUID}
  82 HOOK="${HOOK_NAME}"
  83 ID="${ID}"
  84 MAC="${MAC}"
  85 EOF
  86                 ln -sf ${CONFIG_UUIDS}/${UUID} \
  87                         ${CONFIG_ZONES}/${zone}/${HOOK_NAME}-${UUID}
  88
  89                 log_success_msg "Configuration successfully saved!"
  90                 echo    "      Device      : $(devicify ${MAC})"
  91                 echo    "      MAC address : ${MAC}"
  92                 echo    "      VLAN tag    : ${ID}"
  93                 ;;
  94
  95         rem)
  96                 # XXX to be done
  97                 ;;
  98
  99         status)
 100                 echo -e "#  ${CLR_BOLD_CYN}VLAN port $(port_name)${NORMAL}"
 101                 echo -n "#    State: "
 102                 if device_is_up $(port_name); then
 103                         echo -e "${CLR_BOLD_GRN}up${NORMAL}"
 104                         RET=${EXIT_OK}
 105                 else
 106                         echo -e "${CLR_BOLD_RED}down${NORMAL}"
 107                         RET=${EXIT_ERROR}
 108                 fi
 109                 echo "#    ID   : ${ID}"
 110                 echo "#"
 111                 exit ${RET}
 112                 ;;
 113
 114         *)
 115                 echo "Usage: ${0} [interface] {up|down|add|remove|attach|detach|status}"
 116                 exit 1
 117         ;;
 118 esac
 119
 120 # End $NETWORK_DEVICES/services/vlan