trunk/net.Linux/bonding.sh

# Copyright 2004-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

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= 

        eval $(_get_array "slaves_${IFVAR}")
        [ $# = "0" ] && 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 ${IFACE}"
        eindent
        einfo "$@"

        # Check that our slaves exist
        (
        for IFACE in "$@" ; do
                _exists true || return 1
        done

        # Must force the slaves to a particular state before adding them
        for IFACE in "$@" ; do
                _delete_addresses
                _up
        done
        )

        # now force the master to up
        _up

        # finally add in slaves
        eoutdent
        /sbin/ifenslave "${IFACE}" $@ >/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 :
1	# Copyright 2004-2007 Gentoo Foundation
2	# Distributed under the terms of the GNU General Public License v2
3
4	bonding_depend() {
5	before interface macchanger
6	program /sbin/ifenslave
7	}
8
9	_config_vars="$_config_vars slaves"
10
11	_is_bond() {
12	[ -f "/proc/net/bonding/${IFACE}" ]
13	}
14
15	bonding_pre_start() {
16	local s= slaves=
17
18	eval $(_get_array "slaves_${IFVAR}")
19	[ $# = "0" ] && return 0
20
21	# Load the kernel module if required
22	if [ ! -d /proc/net/bonding ] ; then
23	if ! modprobe bonding ; then
24	eerror "Cannot load the bonding module"
25	return 1
26	fi
27	fi
28
29	# We can create the interface name we like now, but this
30	# requires sysfs
31	if ! _exists && [ -d /sys/class/net ] ; then
32	echo "+${IFACE}" > /sys/class/net/bonding_masters
33	fi
34	_exists true \|\| return 1
35
36	if ! _is_bond ; then
37	eerror "${IFACE} is not capable of bonding"
38	return 1
39	fi
40
41	ebegin "Adding slaves to ${IFACE}"
42	eindent
43	einfo "$@"
44
45	# Check that our slaves exist
46	(
47	for IFACE in "$@" ; do
48	_exists true \|\| return 1
49	done
50
51	# Must force the slaves to a particular state before adding them
52	for IFACE in "$@" ; do
53	_delete_addresses
54	_up
55	done
56	)
57
58	# now force the master to up
59	_up
60
61	# finally add in slaves
62	eoutdent
63	/sbin/ifenslave "${IFACE}" $@ >/dev/null
64	eend $?
65
66	return 0 #important
67	}
68
69	bonding_stop() {
70	_is_bond \|\| return 0
71
72	local slaves= s=
73	slaves=$( \
74	sed -n -e 's/^Slave Interface: //p' "/proc/net/bonding/${IFACE}" \
75	\| tr '\n' ' ' \
76	)
77	[ -z "${slaves}" ] && return 0
78
79	# remove all slaves
80	ebegin "Removing slaves from ${IFACE}"
81	eindent
82	einfo "${slaves}"
83	eoutdent
84	/sbin/ifenslave -d "${IFACE}" ${slaves}
85
86	# reset all slaves
87	(
88	for IFACE in ${slaves}; do
89	if _exists ; then
90	_delete_addresses
91	_down
92	fi
93	done
94	)
95
96	eend 0
97	return 0
98	}
99
100	# vim: set ts=4 :