functions.switch

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2012  IPFire Network Development Team                         #
   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 function switch_create() {
  23         local device=${1}
  24         assert isset device
  25
  26         log DEBUG "Creating virtual switch: ${device}"
  27         ovs-vsctl -- --may-exist add-br ${device}
  28
  29         assert device_exists ${device}
  30
  31         return ${EXIT_OK}
  32 }
  33
  34 function switch_remove() {
  35         local device=${1}
  36         assert isset device
  37
  38         # Set device down.
  39         device_set_down ${device}
  40
  41         log DEBUG "Removing virtual switch: ${device}"
  42         ovs-vsctl -- --if-exists del-br ${device}
  43
  44         return ${EXIT_OK}
  45 }
  46
  47 function switch_exists() {
  48         local device=${1}
  49         assert isset device
  50
  51         ovs-vsctl -- br-exists ${device}
  52         case "$?" in
  53                 0)
  54                         return ${EXIT_TRUE}
  55                         ;;
  56                 2)
  57                         return ${EXIT_FALSE}
  58                         ;;
  59         esac
  60
  61         return ${EXIT_ERROR}
  62 }
  63
  64 function switch_get_members() {
  65         local device=${1}
  66         assert isset device
  67
  68         ovs-vsctl -- list-ports ${device}
  69         return ${EXIT_OK}
  70 }
  71
  72 function switch_attach_port() {
  73         local device=${1}
  74         assert isset device
  75
  76         local port=${2}
  77         assert isset port
  78
  79         log DEBUG "Attaching port '${port}' to switch '${device}'"
  80         ovs-vsctl -- --may-exist add-port "${device}" "${port}"
  81
  82         return ${EXIT_OK}
  83 }
  84
  85 function switch_detach_port() {
  86         local device=${1}
  87         assert isset device
  88
  89         local port=${2}
  90         assert isset port
  91
  92         log DEBUG "Detaching port '${port}' from switch '${device}'"
  93         ovs-vsctl -- --if-exists del-port "${device}" "${port}"
  94
  95         return ${EXIT_OK}
  96 }
  97
  98 function switch_stp_enable() {
  99         local device=${1}
 100         assert isset device
 101
 102         log DEBUG "Enable STP on switch ${device}"
 103         ovs-vsctl set Bridge ${device} "stp_enable=true"
 104
 105         return ${EXIT_OK}
 106 }
 107
 108 function switch_stp_disable() {
 109         local device=${1}
 110         assert isset device
 111
 112         log DEBUG "Disable STP on switch ${device}"
 113         ovs-vsctl set Bridge ${device} "stp_enable=false"
 114
 115         return ${EXIT_OK}
 116 }
 117
 118 function switch_stp_is_enabled() {
 119         local device=${1}
 120         assert isset device
 121
 122         local output=$(ovs-vsctl -- --if-exists get Bridge ${device} stp_enable)
 123
 124         if enabled output; then
 125                 return ${EXIT_TRUE}
 126         fi
 127
 128         return ${EXIT_FALSE}
 129 }