src/hooks/ports/ethernet

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /usr/lib/network/header-port
  23
  24 HOOK_SETTINGS=(
  25         "ADDRESS"
  26         "ADVERTISED_LINK_SPEEDS"
  27         "DEVICE"
  28         "OFFLOADING"
  29         "MTU"
  30 )
  31
  32 hook_check_settings() {
  33         assert ismac DEVICE
  34
  35         # Invalid MAC addresses are not allowed
  36         assert not isoneof DEVICE 00:00:00:00:00:00 ff:ff:ff:ff:ff:ff
  37
  38         if isset ADDRESS; then
  39                 assert ismac ADDRESS
  40         fi
  41
  42         if isset MTU; then
  43                 assert mtu_is_valid "ethernet" "${MTU}"
  44         fi
  45
  46         if isset MODES; then
  47                 local mode
  48                 for mode in ${MODES}; do
  49                         assert [ -n "${DEVICE_LINK_SPEEDS[${mode}]}" ]
  50                 done
  51         fi
  52 }
  53
  54 hook_parse_cmdline() {
  55         while [ $# -gt 0 ]; do
  56                 case "${1}" in
  57                         --address=*)
  58                                 ADDRESS="$(cli_get_val "${1}")"
  59
  60                                 if ! mac_is_valid "${ADDRESS}"; then
  61                                         error "Invalid MAC address: ${ADDRESS}"
  62                                         return ${EXIT_ERROR}
  63                                 fi
  64                                 ;;
  65
  66                         --advertised-link-speeds=*)
  67                                 ADVERTISED_LINK_SPEEDS="$(cli_get_val "${1}")"
  68
  69                                 local speed
  70                                 for speed in ${ADVERTISED_LINK_SPEEDS}; do
  71                                         if [ -z "${DEVICE_LINK_SPEEDS[${speed}]}" ]; then
  72                                                 error "Unsupported link speed: ${speed}"
  73                                                 return ${EXIT_ERROR}
  74                                         fi
  75                                 done
  76                                 ;;
  77
  78                         --mtu=*)
  79                                 MTU="$(cli_get_val "${1}")"
  80
  81                                 if ! mtu_is_valid "ethernet" "${MTU}"; then
  82                                         error "Invalid MTU: ${MTU}"
  83                                         return ${EXIT_ERROR}
  84                                 fi
  85                                 ;;
  86
  87                         --offloading=*)
  88                                 OFFLOADING="$(cli_get_bool "${1}")"
  89                                 ;;
  90
  91                         *)
  92                                 error "Unknown argument: ${1}"
  93                                 return ${EXIT_ERROR}
  94                                 ;;
  95                 esac
  96                 shift
  97         done
  98 }
  99
 100 # This function is only called automatically by hotplug to create
 101 # a new ethernet port.
 102 hook_new() {
 103         local port="${1}"
 104         assert isset port
 105
 106         local device="${2}"
 107         assert isset device
 108
 109         local DEVICE="$(device_get_address "${device}")"
 110
 111         if ! port_settings_write "${port}"; then
 112                 log ERROR "Could not write settings for port ${port}"
 113                 return ${EXIT_ERROR}
 114         fi
 115
 116         return ${EXIT_OK}
 117 }
 118
 119 hook_create() {
 120         return ${EXIT_OK}
 121 }
 122
 123 hook_up() {
 124         local port="${1}"
 125
 126         local ${HOOK_SETTINGS[*]}
 127         if ! port_settings_read "${port}"; then
 128                 log ERROR "Could not read settings for port ${port}"
 129                 return ${EXIT_ERROR}
 130         fi
 131
 132         # Set MAC address, if needed
 133         if isset ADDRESS; then
 134                 device_set_address "${port}" "${ADDRESS}"
 135         fi
 136
 137         # Set MTU
 138         if isset MTU; then
 139                 device_set_mtu "${port}" "${MTU}"
 140         else
 141                 device_set_mtu "${port}" "${DEFAULT_MTU}"
 142         fi
 143
 144         # Set link speeds
 145         if isset ADVERTISED_LINK_SPEEDS; then
 146                 device_advertise_link_speeds "${port}" ${ADVERTISED_LINK_SPEEDS}
 147         fi
 148
 149         # Auto-enable or disable hardware offloading
 150         if ! isset OFFLOADING || enabled OFFLOADING; then
 151                 offloading_auto "${port}"
 152         else
 153                 offloading_disable_all "${port}"
 154         fi
 155
 156         # Bring up the device
 157         device_set_up "${port}"
 158
 159         exit ${EXIT_OK}
 160 }
 161
 162 hook_remove() {
 163         exit ${EXIT_OK}
 164 }
 165
 166 hook_hotplug_rename() {
 167         hook_hotplug_rename_by_address "$@"
 168 }