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230 lines
7.0 KiB
230 lines
7.0 KiB
#!/bin/sh |
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
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# ex: ts=8 sw=4 sts=4 et filetype=sh |
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# NFS root might have reached here before /tmp/net.ifaces was written |
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udevadm settle --timeout=30 |
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# Don't write anything if we don't know our bootdev |
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[ -f /tmp/net.ifaces ] || return 1 |
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read IFACES < /tmp/net.ifaces |
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if [ -e /tmp/bond.info ]; then |
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. /tmp/bond.info |
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fi |
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if [ -e /tmp/bridge.info ]; then |
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. /tmp/bridge.info |
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fi |
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mkdir -m 0755 -p /tmp/ifcfg/ |
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mkdir -m 0755 -p /tmp/ifcfg-leases/ |
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get_config_line_by_subchannel() |
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{ |
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local CHANNEL |
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local line |
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CHANNELS="$1" |
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while read line; do |
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if strstr "$line" "$CHANNELS"; then |
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echo $line |
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return 0 |
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fi |
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done < /etc/ccw.conf |
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return 1 |
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} |
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print_s390() { |
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local _netif |
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local SUBCHANNELS |
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local OPTIONS |
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local NETTYPE |
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local CONFIG_LINE |
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local i |
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local channel |
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local OLD_IFS |
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_netif="$1" |
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# if we find ccw channel, then use those, instead of |
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# of the MAC |
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SUBCHANNELS=$({ |
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for i in /sys/class/net/$_netif/device/cdev[0-9]*; do |
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[ -e $i ] || continue |
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channel=$(readlink -f $i) |
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echo -n "${channel##*/}," |
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done |
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}) |
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[ -n "$SUBCHANNELS" ] || return 1 |
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SUBCHANNELS=${SUBCHANNELS%,} |
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echo "SUBCHANNELS=\"${SUBCHANNELS}\"" |
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CONFIG_LINE=$(get_config_line_by_subchannel $SUBCHANNELS) |
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[ $? -ne 0 -o -z "$CONFIG_LINE" ] && return |
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OLD_IFS=$IFS |
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IFS="," |
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set -- $CONFIG_LINE |
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IFS=$OLD_IFS |
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NETTYPE=$1 |
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shift |
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SUBCHANNELS="$1" |
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OPTIONS="" |
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shift |
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while [ $# -gt 0 ]; do |
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case $1 in |
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*=*) OPTIONS="$OPTIONS $1";; |
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esac |
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shift |
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done |
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OPTIONS=${OPTIONS## } |
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echo "NETTYPE=\"${NETTYPE}\"" |
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echo "OPTIONS=\"${OPTIONS}\"" |
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} |
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for netif in $IFACES ; do |
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# bridge? |
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unset bridge |
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unset bond |
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uuid=$(cat /proc/sys/kernel/random/uuid) |
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if [ "$netif" = "$bridgename" ]; then |
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bridge=yes |
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elif [ "$netif" = "$bondname" ]; then |
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# $netif can't be bridge and bond at the same time |
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bond=yes |
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fi |
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cat /sys/class/net/$netif/address > /tmp/net.$netif.hwaddr |
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{ |
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echo "# Generated by dracut initrd" |
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echo "DEVICE=$netif" |
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echo "ONBOOT=yes" |
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echo "NETBOOT=yes" |
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echo "UUID=$uuid" |
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[ -n "$mtu" ] && echo "MTU=$mtu" |
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if [ -f /tmp/net.$netif.lease ]; then |
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strstr "$ip" '*:*:*' && |
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echo "DHCPV6C=yes" |
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echo "BOOTPROTO=dhcp" |
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cp /tmp/net.$netif.lease /tmp/ifcfg-leases/dhclient-$uuid-$netif.lease |
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else |
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echo "BOOTPROTO=none" |
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# If we've booted with static ip= lines, the override file is there |
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[ -e /tmp/net.$netif.override ] && . /tmp/net.$netif.override |
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echo "IPADDR=$ip" |
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if strstr "$mask" "."; then |
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echo "NETMASK=$mask" |
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else |
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echo "PREFIX=$mask" |
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fi |
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[ -n "$gw" ] && echo "GATEWAY=$gw" |
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fi |
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} > /tmp/ifcfg/ifcfg-$netif |
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# bridge needs different things written to ifcfg |
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if [ -z "$bridge" ] && [ -z "$bond" ]; then |
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# standard interface |
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{ |
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if [ -n "$macaddr" ]; then |
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echo "MACADDR=$macaddr" |
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else |
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echo "HWADDR=\"$(cat /sys/class/net/$netif/address)\"" |
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fi |
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print_s390 $netif |
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echo "TYPE=Ethernet" |
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echo "NAME=\"Boot Disk\"" |
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[ -n "$mtu" ] && echo "MTU=$mtu" |
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} >> /tmp/ifcfg/ifcfg-$netif |
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fi |
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if [ -n "$bond" ] ; then |
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# bond interface |
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{ |
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# This variable is an indicator of a bond interface for initscripts |
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echo "BONDING_OPTS=\"$bondoptions\"" |
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echo "NAME=\"Boot Disk\"" |
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} >> /tmp/ifcfg/ifcfg-$netif |
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for slave in $bondslaves ; do |
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# Set ONBOOT=no to prevent initscripts from trying to setup already bonded physical interface |
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# write separate ifcfg file for the raw eth interface |
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{ |
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echo "# Generated by dracut initrd" |
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echo "DEVICE=$slave" |
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echo "TYPE=Ethernet" |
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echo "ONBOOT=no" |
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echo "NETBOOT=yes" |
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echo "HWADDR=$(cat /sys/class/net/$slave/address)" |
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echo "SLAVE=yes" |
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echo "MASTER=$netif" |
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echo "NAME=$slave" |
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} >> /tmp/ifcfg/ifcfg-$slave |
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done |
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fi |
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if [ -n "$bridge" ] ; then |
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# bridge |
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{ |
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echo "TYPE=Bridge" |
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echo "NAME=\"Boot Disk\"" |
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} >> /tmp/ifcfg/ifcfg-$netif |
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if [ "$ethname" = "$bondname" ] ; then |
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{ |
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# Set ONBOOT=no to prevent initscripts from trying to setup already bridged bond interface |
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echo "# Generated by dracut initrd" |
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echo "DEVICE=$bondname" |
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echo "ONBOOT=no" |
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echo "NETBOOT=yes" |
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# This variable is an indicator of a bond interface for initscripts |
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echo "BONDING_OPTS=\"$bondoptions\"" |
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echo "BRIDGE=$netif" |
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echo "NAME=\"$bondname\"" |
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} >> /tmp/ifcfg/ifcfg-$bondname |
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for slave in $bondslaves ; do |
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# write separate ifcfg file for the raw eth interface |
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# Set ONBOOT=no to prevent initscripts from trying to setup already bridged physical interface |
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{ |
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echo "# Generated by dracut initrd" |
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echo "DEVICE=$slave" |
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echo "TYPE=Ethernet" |
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echo "ONBOOT=no" |
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echo "NETBOOT=yes" |
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echo "HWADDR=$(cat /sys/class/net/$slave/address)" |
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echo "SLAVE=yes" |
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echo "MASTER=$bondname" |
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echo "NAME=$slave" |
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} >> /tmp/ifcfg/ifcfg-$slave |
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done |
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else |
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# write separate ifcfg file for the raw eth interface |
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{ |
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echo "# Generated by dracut initrd" |
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echo "DEVICE=$ethname" |
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echo "TYPE=Ethernet" |
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echo "ONBOOT=no" |
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echo "NETBOOT=yes" |
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echo "HWADDR=$(cat /sys/class/net/$ethname/address)" |
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echo "BRIDGE=$netif" |
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echo "NAME=$ethname" |
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} >> /tmp/ifcfg/ifcfg-$ethname |
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fi |
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fi |
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i=1 |
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for ns in $(getargs nameserver); do |
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echo "DNS${i}=${ns}" >> /tmp/ifcfg/ifcfg-$netif |
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i=$((i+1)) |
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done |
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done |
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# Pass network opts |
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mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts |
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mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient |
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echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab |
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echo "files /var/lib/dhclient" >> /run/initramfs/rwtab |
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{ |
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cp /tmp/net.* /run/initramfs/ |
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cp /tmp/net.$netif.resolv.conf /run/initramfs/state/etc/resolv.conf |
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cp -a -t /run/initramfs/state/etc/sysconfig/network-scripts/ /tmp/ifcfg/* |
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cp /tmp/ifcfg-leases/* /run/initramfs/state/var/lib/dhclient |
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} > /dev/null 2>&1
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