src/hooks/ports/bonding

   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="HOOK ADDRESS MIIMON MODE SLAVES"
  25
  26 ADDRESS=$(mac_generate)
  27 SLAVES=""
  28 MIIMON=100
  29 MODE="balance-rr"
  30
  31 function hook_check() {
  32         assert isset ADDRESS
  33         assert ismac ADDRESS
  34
  35         #assert isset SLAVES
  36         assert isinteger MIIMON
  37 }
  38
  39 function hook_new() {
  40         hook_edit $@
  41 }
  42
  43 function hook_edit() {
  44         local port=${1}
  45         assert isset port
  46         shift
  47
  48         while [ $# -gt 0 ]; do
  49                 case "${1}" in
  50                         --address=*)
  51                                 ADDRESS=$(cli_get_val ${1})
  52                                 ;;
  53                         --miimon=*)
  54                                 MIIMON=$(cli_get_val ${1})
  55                                 ;;
  56                         --mode=*)
  57                                 MODE=$(cli_get_val ${1})
  58                                 ;;
  59                         --slave=*)
  60                                 slave=$(cli_get_val ${1})
  61                                 SLAVES="${SLAVES} ${slave}"
  62                                 ;;
  63                         *)
  64                                 warning "Unknown argument '${1}'"
  65                                 ;;
  66                 esac
  67                 shift
  68         done
  69
  70         DEVICE=${port}
  71
  72         # XXX think this must move to _check()
  73         if ! isset DEVICE; then
  74                 error "You must set a device name."
  75                 exit ${EXIT_ERROR}
  76         fi
  77
  78         if ! isset SLAVES; then
  79                 error "You need to specify at least one slave port (e.g. --slave=port0)."
  80                 exit ${EXIT_ERROR}
  81         fi
  82
  83         local slave
  84         for slave in $(unquote ${SLAVES}); do
  85                 if ! device_is_ethernet ${slave}; then
  86                         error "Slave device '${slave}' is not an ethernet device."
  87                         exit ${EXIT_ERROR}
  88                 fi
  89         done
  90
  91         # Remove any whitespace
  92         SLAVES=$(echo ${SLAVES})
  93
  94         port_settings_write "${port}" ${HOOK_SETTINGS}
  95
  96         exit ${EXIT_OK}
  97 }
  98
  99 function hook_create() {
 100         local port="${1}"
 101         assert isset port
 102
 103         # Exit silently if the device already exists
 104         device_exists "${port}" && exit ${EXIT_OK}
 105
 106         port_settings_read "${port}" ${HOOK_SETTINGS}
 107
 108         # Create the bonding devices
 109         bonding_create "${port}" \
 110                 --address="${ADDRESS}" \
 111                 --mode="${MODE}" || exit ${EXIT_ERROR}
 112
 113         bonding_set_miimon "${port}" "${MIIMON}"
 114
 115         exit ${EXIT_OK}
 116 }
 117
 118 function hook_remove() {
 119         local port="${1}"
 120         assert isset port
 121
 122         port_settings_read "${port}" ${HOOK_SETTINGS}
 123
 124         # Remove the bonding device
 125         if device_exists "${port}"; then
 126                 bonding_remove "${port}"
 127         fi
 128 }
 129
 130 function hook_up() {
 131         local port="${1}"
 132         assert isset port
 133
 134         port_settings_read "${port}" ${HOOK_SETTINGS}
 135
 136         # Execute the default action
 137         hook_default_up "${port}"
 138
 139         # Bring up all slaves
 140         local slave
 141         for slave in $(unquote ${SLAVES}); do
 142                 port_up "${slave}"
 143         done
 144 }
 145
 146 function hook_down() {
 147         local port="${1}"
 148         assert isset port
 149
 150         port_settings_read "${port}" ${HOOK_SETTINGS}
 151
 152         # Bring down all slaves
 153         local slave
 154         for slave in $(unquote ${SLAVES}); do
 155                 port_down "${slave}"
 156         done
 157
 158         # Execute the default action
 159         hook_default_down "${port}"
 160 }
 161
 162 function hook_hotplug() {
 163         local port="${1}"
 164         assert isset port
 165
 166         case "$(hotplug_action)" in
 167                 add)
 168                         # Handle events of the same interface
 169                         if hotplug_event_port_is_interface "${port}"; then
 170                                 # Read configuration
 171                                 port_settings_read "${port}" ${HOOK_SETTINGS}
 172
 173                                 # Bring up all slaves
 174                                 # Attach those which already exist and try to create
 175                                 # those which don't exist yet. They will be attached
 176                                 # in their own hotplug event.
 177                                 local slave
 178                                 for slave in $(unquote ${SLAVES}); do
 179                                         if device_exists "${slave}"; then
 180                                                 bonding_enslave_device "${port}" "${slave}"
 181                                         else
 182                                                 port_create "${slave}"
 183                                         fi
 184                                 done
 185
 186                                 exit ${EXIT_OK}
 187
 188                         # Handle slave devices that have just been created and
 189                         # attach them.
 190                         elif hotplug_event_interface_is_slave_of_port "${port}"; then
 191                                 bonding_enslave_device "${port}" "${INTERFACE}"
 192
 193                                 # If the parent device has been set up, we will
 194                                 # bring up the slave device as well.
 195                                 if device_is_up "${port}"; then
 196                                         port_up "${INTERFACE}"
 197                                 fi
 198                         fi
 199
 200                         exit ${EXIT_OK}
 201                         ;;
 202
 203                 remove)
 204                         if hotplug_event_port_is_interface "${port}"; then
 205                                 # Bring down all slaves after the parent device went away
 206                                 local slave
 207                                 for slave in $(port_get_slaves "${port}"); do
 208                                         port_remove "${slave}"
 209                                 done
 210
 211                                 exit ${EXIT_OK}
 212                         fi
 213                         ;;
 214         esac
 215
 216         exit ${EXIT_NOT_HANDLED}
 217 }