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diff --git a/components/9990-select-eth-device.sh b/components/9990-select-eth-device.sh
index df00666..6bc67fd 100755
--- a/components/9990-select-eth-device.sh
+++ b/components/9990-select-eth-device.sh
@@ -55,11 +55,22 @@ Select_eth_device ()
case "${ARGUMENT}" in
live-netdev=*)
NETDEV="${ARGUMENT#live-netdev=}"
+ # net device could be specified by MAC address
+ hex="[0-9A-Fa-f][0-9A-Fa-f]"
+ case "${NETDEV}" in
+ ${hex}:${hex}:${hex}:${hex}:${hex}:${hex})
+ # MAC address; record it and select later
+ netdev_mac_addr="${NETDEV}"
+ ;;
+ *)
+ # interface name
echo "DEVICE=$NETDEV" >> /conf/param.conf
echo "Found live-netdev parameter, forcing to to use network device $NETDEV."
return
;;
esac
+ ;;
+ esac
done
else
l_interfaces="$DEVICE"
@@ -83,6 +94,7 @@ Select_eth_device ()
do
for interface in $l_interfaces
do
+ if [ -z "$netdev_mac_addr" ]; then
carrier=$(cat /sys/class/net/$interface/carrier \
2>/dev/null)
# link detected
@@ -94,6 +106,15 @@ Select_eth_device ()
found_eth_dev="$found_eth_dev $interface"
;;
esac
+ else
+ # MAC addr given, check for that
+ mac_addr=$(ifconfig "$interface" \
+ | grep HWaddr \
+ | { read _ _ _ _ mac_addr; echo $mac_addr; })
+ if [ "$mac_addr" = "$netdev_mac_addr" ]; then
+ found_eth_dev="$interface"
+ fi
+ fi
done
if [ -n "$found_eth_dev" ]
then
#!/bin/sh
Select_eth_device ()
{
# Boot type in initramfs's config
bootconf=$(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# can be superseded by command line (used by Debian-Live's netboot for example)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 eth* 2>/dev/null)"
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#!/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 eth* 2>/dev/null)"
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="${ARGUMENT#live-netdev=}"
# net device could be specified by MAC address
hex="[0-9A-Fa-f][0-9A-Fa-f]"
case "${NETDEV}" in
${hex}:${hex}:${hex}:${hex}:${hex}:${hex})
# MAC address; record it and select later
netdev_mac_addr="${NETDEV}"
;;
*)
# interface name
echo "DEVICE=$NETDEV" >> /conf/param.conf
echo "Found live-netdev parameter, forcing to to use network device $NETDEV."
return
;;
esac
;;
esac
done
else
l_interfaces="$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 $l_interfaces
do
if [ -z "$netdev_mac_addr" ]; then
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 $interface"
;;
esac
else
# MAC addr given, check for that
mac_addr=$(ifconfig "$interface" \
| grep HWaddr \
| { read _ _ _ _ mac_addr; echo $mac_addr; })
if [ "$mac_addr" = "$netdev_mac_addr" ]; then
found_eth_dev="$interface"
fi
fi
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
}
for ARGUMENT in ${LIVE_BOOT_CMDLINE}
do
case "${ARGUMENT}" in
live-netdev=*)
NETDEV="${ARGUMENT#live-netdev=}"
# net device could be specified by MAC address
hex="[0-9A-Fa-f][0-9A-Fa-f]"
case "${NETDEV}" in
${hex}:${hex}:${hex}:${hex}:${hex}:${hex})
# MAC address; record it and select later
netdev_mac_addr="${NETDEV}"
;;
*)
# interface name
echo "DEVICE=$NETDEV" >> /conf/param.conf
echo "Found live-netdev parameter, forcing to to use network device $NETDEV."
return
;;
esac
;;
esac
done
else
l_interfaces="$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 $l_interfaces
do
if [ -z "$netdev_mac_addr" ]; then
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 $interface"
;;
esac
else
# MAC addr given, check for that
mac_addr=$(ifconfig "$interface" \
| grep HWaddr \
| { read _ _ _ _ mac_addr; echo $mac_addr; })
if [ "$mac_addr" = "$netdev_mac_addr" ]; then
found_eth_dev="$interface"
fi
fi
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
}
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