blob: 793280bb8f330f70b1b7e28fd281647b0c04c908 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
bonding_depend()
{
before interface macchanger
}
_config_vars="$_config_vars slaves"
_is_bond()
{
[ -f "/proc/net/bonding/${IFACE}" ]
}
bonding_pre_start()
{
local x= 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 "${IFACE} is not capable of bonding"
return 1
fi
# Configure the bond.
# Nice and dynamic :)
for x in /sys/class/net/"${IFACE}"/bonding/*; do
[ -f "${x}" ] || continue
eval s=\$${x##*/}_${IFVAR}
if [ -n "${s}" ]; then
echo "${s}" >"${x}"
fi
done
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
_down
done
)
# now force the master to up
_up
# finally add in slaves
eoutdent
if [ -d /sys/class/net ]; then
for s in ${slaves}; do
echo "+${s}" >/sys/class/net/"${IFACE}"/bonding/slaves
done
else
/sbin/ifenslave "${IFACE}" ${slaves} >/dev/null
fi
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
if [ -d /sys/class/net ]; then
for s in ${slaves}; do
echo -"${s}" > /sys/class/net/"${IFACE}"/bonding/slaves
done
else
/sbin/ifenslave -d "${IFACE}" ${slaves}
fi
# reset all slaves
(
for IFACE in ${slaves}; do
if _exists; then
_delete_addresses
_down
fi
done
)
eend 0
return 0
}
|
