functions.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 function bonding_init() {
  23         if ! grep -q "^bonding" /proc/modules; then
  24                 modprobe bonding
  25
  26                 bonding_remove bond0
  27         fi
  28 }
  29
  30 function bonding_create() {
  31         local device=${1}
  32         local mac=${2}
  33
  34         # Make sure the bonding is initialized
  35         bonding_init
  36
  37         [ -z "${mac}" ] && mac=$(mac_generate)
  38
  39         log INFO "Creating bonding device '${device}' (${mac})."
  40
  41         echo "+${device}" > /sys/class/net/bonding_masters
  42         device_set_address ${device} ${mac}
  43         device_set_up ${device}
  44 }
  45
  46 function bonding_remove() {
  47         local device=$(devicify ${1})
  48
  49         assert isset device
  50
  51         log INFO "Remove bonding device '${device}'."
  52
  53         device_set_down ${device}
  54         echo "-${device}" > /sys/class/net/bonding_masters
  55 }
  56
  57 function bonding_set_mode() {
  58         local device=${1}
  59         local mode=${2}
  60
  61         log INFO "Setting bonding mode on '${device}' '${mode}'."
  62
  63         echo "${mode}" > /sys/class/net/${device}/bonding/mode
  64 }
  65
  66 function bonding_get_mode() {
  67         local device=${1}
  68
  69         local mode mode_num
  70         read mode mode_num < ${SYS_CLASS_NET}/${device}/bonding/mode
  71         echo "${mode}"
  72 }
  73
  74 function bonding_enslave_device() {
  75         local device=$(devicify ${1})
  76         local slave=$(devicify ${2})
  77         shift 2
  78
  79         assert isset device
  80         assert isset slave
  81
  82         log INFO "Enslaving slave '${slave}' to '${device}'."
  83
  84         device_set_down ${slave}
  85         echo "+${slave}" > /sys/class/net/${device}/bonding/slaves
  86 }
  87
  88 function bonding_get_slaves() {
  89         local device=${1}
  90
  91         cat ${SYS_CLASS_NET}/${device}/bonding/slaves
  92 }
  93
  94 function bonding_get_active_slave() {
  95         local device=${1}
  96
  97         cat ${SYS_CLASS_NET}/${device}/bonding/active_slave
  98 }
  99
 100 # XXX function bonding_get_lacp_rate?
 101
 102 function bonding_get_miimon() {
 103         local device=${1}
 104
 105         cat ${SYS_CLASS_NET}/${device}/bonding/miimon
 106 }
 107
 108 function bonding_set_miimon() {
 109         local device=${1}
 110         local miimon=${2}
 111
 112         echo "${miimon}" > ${SYS_CLASS_NET}/${device}/bonding/miimon
 113 }
 114
 115 function bonding_device_print() {
 116         local device=${1}
 117
 118         ethernet_device_print ${device}
 119
 120         echo # Empty line
 121
 122         printf "${DEVICE_PRINT_LINE1}" "Mode:" "$(bonding_get_mode ${device})"
 123         printf "${DEVICE_PRINT_LINE1}" "Slaves:" "$(bonding_get_slaves ${device})"
 124 }
 125
 126 function bonding_slave_get_master() {
 127         local slave=${1}
 128
 129         assert isset slave
 130         assert device_is_bonded ${slave}
 131
 132         local device
 133         for device in $(devices_get_all); do
 134                 if device_is_bonding ${device} && listmatch ${slave} $(bonding_get_slaves ${device}); then
 135                         echo "${device}"
 136                         return ${EXIT_OK}
 137                 fi
 138         done
 139
 140         return ${EXIT_ERROR}
 141 }