[ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
- if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
- [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
+ if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
then
+ # support for Syslinux IPAPPEND parameter
+ # it sets the BOOTIF variable on the kernel parameter
+ if [ -n "${BOOTIF}" ]
+ then
+ # pxelinux sets BOOTIF to a value based on the mac address of the
+ # network card used to PXE boot, so use this value for DEVICE rather
+ # than a hard-coded device name from initramfs.conf. this facilitates
+ # network booting when machines may have multiple network cards.
+ # pxelinux sets BOOTIF to 01-$mac_address
+
+ # strip off the leading "01-", which isn't part of the mac
+ # address
+ temp_mac=${BOOTIF#*-}
+
+ # convert to typical mac address format by replacing "-" with ":"
+ bootif_mac=""
+ IFS='-'
+ for x in $temp_mac
+ do
+ if [ -z "$bootif_mac" ]
+ then
+ bootif_mac="$x"
+ else
+ bootif_mac="$bootif_mac:$x"
+ fi
+ done
+ unset IFS
- # support for Syslinux IPAPPEND parameter
- # it sets the BOOTIF variable on the kernel parameter
+ # look for devices with matching mac address, and set DEVICE to
+ # appropriate value if match is found.
- if [ -n "${BOOTIF}" ]
- then
- # pxelinux sets BOOTIF to a value based on the mac address of the
- # network card used to PXE boot, so use this value for DEVICE rather
- # than a hard-coded device name from initramfs.conf. this facilitates
- # network booting when machines may have multiple network cards.
- # pxelinux sets BOOTIF to 01-$mac_address
-
- # strip off the leading "01-", which isn't part of the mac
- # address
- temp_mac=${BOOTIF#*-}
-
- # convert to typical mac address format by replacing "-" with ":"
- bootif_mac=""
- IFS='-'
- for x in $temp_mac
+ for device in /sys/class/net/*
+ do
+ if [ -f "$device/address" ]
+ then
+ current_mac=$(cat "$device/address")
+
+ if [ "$bootif_mac" = "$current_mac" ]
+ then
+ DEVICE=${device##*/}
+ break
+ fi
+ fi
+ done
+ fi
+
+ # if ethdevice was not specified on the kernel command line
+ # make sure we try to get a working network configuration
+ # for *every* present network device (except for loopback of course)
+ if [ -z "$ETHDEVICE" ]
+ then
+ echo "If you want to boot from a specific device use bootoption ethdevice=..."
+ for device in /sys/class/net/*
+ do
+ dev=${device##*/}
+ if [ "$dev" != "lo" ]
+ then
+ ETHDEVICE="$ETHDEVICE $dev"
+ fi
+ done
+ fi
+
+ # split args of ethdevice=eth0,eth1 into "eth0 eth1"
+ for device in $(echo $ETHDEVICE | sed 's/,/ /g')
do
- if [ -z "$bootif_mac" ]
- then
- bootif_mac="$x"
- else
- bootif_mac="$bootif_mac:$x"
- fi
+ devlist="$devlist $device"
done
- unset IFS
-
- # look for devices with matching mac address, and set DEVICE to
- # appropriate value if match is found.
- for device in /sys/class/net/*
+ # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
+ # an endless loop; if execution fails give it two further tries, that's
+ # why we use '$devlist $devlist $devlist' for the other for loop
+ for dev in $devlist $devlist $devlist
do
- if [ -f "$device/address" ]
+ echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
+ ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
+ jobid=$!
+ sleep "$ETHDEV_TIMEOUT" ; sleep 1
+ if [ -r /proc/"$jobid"/status ]
then
- current_mac=$(cat "$device/address")
-
- if [ "$bootif_mac" = "$current_mac" ]
- then
- DEVICE=${device##*/}
- break
- fi
+ echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
+ kill -9 $jobid
fi
- done
- fi
- # if ethdevice was not specified on the kernel command line
- # make sure we try to get a working network configuration
- # for *every* present network device (except for loopback of course)
- if [ -z "$ETHDEVICE" ] ; then
- echo "If you want to boot from a specific device use bootoption ethdevice=..."
- for device in /sys/class/net/*; do
- dev=${device##*/} ;
- if [ "$dev" != "lo" ] ; then
- ETHDEVICE="$ETHDEVICE $dev"
+ # if configuration of device worked we should have an assigned
+ # IP address, if so let's use the device as $DEVICE for later usage.
+ # simple and primitive approach which seems to work fine
+ if ifconfig $dev | grep -q 'inet.*addr:'
+ then
+ export DEVICE="$dev"
+ break
fi
done
- fi
-
- # split args of ethdevice=eth0,eth1 into "eth0 eth1"
- for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
- devlist="$devlist $device"
- done
-
- # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
- # an endless loop; if execution fails give it two further tries, that's
- # why we use '$devlist $devlist $devlist' for the other for loop
- for dev in $devlist $devlist $devlist ; do
- echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
- ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
- jobid=$!
- sleep "$ETHDEV_TIMEOUT" ; sleep 1
- if [ -r /proc/"$jobid"/status ] ; then
- echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
- kill -9 $jobid
- fi
-
- # if configuration of device worked we should have an assigned
- # IP address, if so let's use the device as $DEVICE for later usage.
- # simple and primitive approach which seems to work fine
- if ifconfig $dev | grep -q 'inet.*addr:' ; then
- export DEVICE="$dev"
- break
- fi
- done
-
else
for interface in ${DEVICE}; do
ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
done
fi
- for interface in ${DEVICE}; do
+ for interface in ${DEVICE}
+ do
# source relevant ipconfig output
OLDHOSTNAME=${HOSTNAME}
[ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
projects / live-boot-grml.git / blobdiff