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# Copyright 2004-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
bonding_depend() {
before interface macchanger
program /sbin/ifenslave
}
_config_vars="$_config_vars slaves"
_is_bond() {
[ -f "/proc/net/bonding/${IFACE}" ]
}
bonding_pre_start() {
local s= slaves="$(_get_array "slaves_${IFVAR}")"
[ -z "${slaves}" ] && return 0
# Load the kernel module if required
if [ ! -d /proc/net/bonding ]; then
if ! modprobe bonding; then
eerror "Cannot load the bonding module"
return 1
fi
fi
# We can create the interface name we like now, but this
# requires sysfs
if ! _exists && [ -d /sys/class/net ]; then
echo "+${IFACE}" > /sys/class/net/bonding_masters
fi
_exists true || return 1
if ! _is_bond; then
eerror "${IFACE} is not capable of bonding"
return 1
fi
ebegin "Adding slaves to ${IFACE}"
eindent
einfo "${slaves}"
# Check that our slaves exist
(
for IFACE in ${slaves}; do
_exists true || return 1
done
# Must force the slaves to a particular state before adding them
for IFACE in ${slaves}; do
_delete_addresses
_up
done
)
# now force the master to up
_up
# finally add in slaves
eoutdent
/sbin/ifenslave "${IFACE}" ${slaves} >/dev/null
eend $?
return 0 #important
}
bonding_stop() {
_is_bond || return 0
local slaves= s=
slaves=$( \
sed -n -e 's/^Slave Interface: //p' "/proc/net/bonding/${IFACE}" \
| tr '\n' ' ' \
)
[ -z "${slaves}" ] && return 0
# remove all slaves
ebegin "Removing slaves from ${IFACE}"
eindent
einfo "${slaves}"
eoutdent
/sbin/ifenslave -d "${IFACE}" ${slaves}
# reset all slaves
(
for IFACE in ${slaves}; do
if _exists; then
_delete_addresses
_down
fi
done
)
eend 0
return 0
}
# vim: set ts=4 :
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