+++ /dev/null
-#!/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- # can be superseded by command line (used by Debian-Live's netboot for example)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
-
- # 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="${ARGUMENT#live-netdev=}"
- echo "DEVICE=$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
-}