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