blob: c8f36b05067109e7f051533d09831ecee4f80628 (
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
|
#!/bin/sh
Select_eth_device ()
{
# Boot type in initramfs's config
bootconf=$(egrep '^BOOT=' /conf/initramfs.conf | tail -1)
# can be superseded by command line (used by Debian-Live's netboot for example)
for ARGUMENT in ${LIVE_BOOT_CMDLINE}
do
case "${ARGUMENT}" in
netboot=*)
NETBOOT="${ARGUMENT#netboot=}"
;;
esac
done
if [ "$bootconf" != "BOOT=nfs" ] && [ -z "$NETBOOT" ] && [ -z "$FETCH" ] && [ -z "$FTPFS" ] && [ -z "$HTTPFS" ]
then
# Not a net boot : nothing to do
return
fi
# we want to do some basic IP
modprobe -q af_packet
# Ensure all our net modules get loaded so we can actually compare MAC addresses...
udevadm trigger
udevadm settle
# Available Ethernet interfaces ?
l_interfaces=""
# See if we can derive the boot device
Device_from_bootif
if [ -z "$DEVICE" ]
then
echo "Waiting for ethernet card(s) up... If this fails, maybe the ethernet card is not supported by the kernel `uname -r`?"
while [ -z "$l_interfaces" ]
do
l_interfaces="$(cd /sys/class/net/ && ls -d * 2>/dev/null | grep -v "lo")"
done
if [ $(echo $l_interfaces | wc -w) -lt 2 ]
then
# only one interface : no choice
echo "DEVICE=$l_interfaces" >> /conf/param.conf
return
fi
# If user force to use specific device, write it
for ARGUMENT in ${LIVE_BOOT_CMDLINE}
do
case "${ARGUMENT}" in
live-netdev=*)
NETDEV="${ARGUMENT#live-netdev=}"
echo "DEVICE=$NETDEV" >> /conf/param.conf
echo "Found live-netdev parameter, forcing to to use network device $NETDEV."
return
;;
esac
done
else
l_interfaces="$DEVICE"
fi
found_eth_dev=""
while true
do
echo -n "Looking for a connected Ethernet interface ..."
for interface in $l_interfaces
do
# ATTR{carrier} is not set if this is not done
echo -n " $interface ?"
ipconfig -c none -d $interface -t 1 >/dev/null 2>&1
done
echo ''
for step in 1 2 3 4 5
do
for interface in $l_interfaces
do
carrier=$(cat /sys/class/net/$interface/carrier \
2>/dev/null)
# link detected
case "${carrier}" in
1)
echo "Connected $interface found"
# inform initrd's init script :
found_eth_dev="$found_eth_dev $interface"
;;
esac
done
if [ -n "$found_eth_dev" ]
then
echo "DEVICE='$found_eth_dev'" >> /conf/param.conf
return
else
# wait a bit
sleep 1
fi
done
done
}
|
