blob: 218485ab7265dcd469776d74586bfd5549a82d0b (
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
|
#!/bin/sh
#
# Format:
# bridge=<bridgename>:<ethname>
#
# bridge without parameters assumes bridge=br0:eth0
#
# return if bridge already parsed
[ -n "$bridgename" ] && return
# Check if bridge parameter is valid
if getarg bridge= >/dev/null ; then
if [ -z "$netroot" ] ; then
die "No netboot configured, bridge is invalid"
fi
fi
parsebridge() {
local v=${1}:
set --
while [ -n "$v" ]; do
set -- "$@" "${v%%:*}"
v=${v#*:}
done
unset bridgename ethname
case $# in
0) bridgename=br0; ethname=eth0 ;;
1) die "bridge= requires two parameters" ;;
2) bridgename=$1; ethname=$2 ;;
*) die "bridge= requires two parameters" ;;
esac
}
unset bridgename ethname
# Parse bridge for bridgename and ethname
if getarg bridge >/dev/null; then
# Read bridge= parameters if they exist
bridge="$(getarg bridge=)"
if [ ! "$bridge" = "bridge" ]; then
parsebridge "$(getarg bridge=)"
fi
# Simple default bridge
if [ -z "$bridgename" ]; then
bridgename=br0
ethname=eth0
fi
echo "bridgename=$bridgename" > /tmp/bridge.info
echo "ethname=$ethname" >> /tmp/bridge.info
return
fi
|
