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#!/bin/sh
# NFS root might have reached here before /tmp/net.ifaces was written
type is_persistent_ethernet_name >/dev/null 2>&1 || . /lib/net-lib.sh
udevadm settle --timeout=30
mkdir -m 0755 -p /tmp/ifcfg/
mkdir -m 0755 -p /tmp/ifcfg-leases/
get_config_line_by_subchannel()
{
local CHANNEL
local line
CHANNELS="$1"
while read line || [ -n "$line" ]; do
if strstr "$line" "$CHANNELS"; then
echo $line
return 0
fi
done < /etc/ccw.conf
return 1
}
print_s390() {
local _netif
local SUBCHANNELS
local OPTIONS
local NETTYPE
local CONFIG_LINE
local i
local channel
local OLD_IFS
_netif="$1"
# if we find ccw channel, then use those, instead of
# of the MAC
SUBCHANNELS=$({
for i in /sys/class/net/$_netif/device/cdev[0-9]*; do
[ -e $i ] || continue
channel=$(readlink -f $i)
printf '%s' "${channel##*/},"
done
})
[ -n "$SUBCHANNELS" ] || return 1
SUBCHANNELS=${SUBCHANNELS%,}
echo "SUBCHANNELS=\"${SUBCHANNELS}\""
CONFIG_LINE=$(get_config_line_by_subchannel $SUBCHANNELS)
[ $? -ne 0 -o -z "$CONFIG_LINE" ] && return 0
OLD_IFS=$IFS
IFS=","
set -- $CONFIG_LINE
IFS=$OLD_IFS
NETTYPE=$1
shift
SUBCHANNELS="$1"
OPTIONS=""
shift
while [ $# -gt 0 ]; do
case $1 in
*=*) OPTIONS="$OPTIONS $1";;
esac
shift
done
OPTIONS=${OPTIONS## }
echo "NETTYPE=\"${NETTYPE}\""
echo "OPTIONS=\"${OPTIONS}\""
return 0
}
hw_bind() {
local _netif="$1"
local _macaddr="$2"
[ -n "$_macaddr" ] \
&& echo "MACADDR=\"$_macaddr\""
print_s390 "$_netif" \
&& return 0
[ -n "$_macaddr" ] && return 0
is_persistent_ethernet_name "$_netif" && return 0
[ -f "/sys/class/net/$_netif/addr_assign_type" ] \
&& [ "$(cat "/sys/class/net/$_netif/addr_assign_type")" != "0" ] \
&& return 1
[ -f "/sys/class/net/$_netif/address" ] \
|| return 1
echo "HWADDR=\"$(cat /sys/class/net/$_netif/address)\""
}
interface_bind() {
local _netif="$1"
local _macaddr="$2"
if [ ! -e "/sys/class/net/$_netif" ]; then
derror "Cannot find network interface '$_netif'!"
return 1
fi
# see, if we can bind it to some hw parms
if hw_bind "$_netif" "$_macaddr"; then
# only print out DEVICE, if it's user assigned
is_kernel_ethernet_name "$_netif" && return 0
fi
echo "DEVICE=\"$_netif\""
}
for netup in /tmp/net.*.did-setup ; do
[ -f $netup ] || continue
netif=${netup%%.did-setup}
netif=${netif##*/net.}
strglobin "$netif" ":*:*:*:*:" && continue
[ -e /tmp/ifcfg/ifcfg-$netif ] && continue
unset bridge
unset bond
unset bondslaves
unset bondname
unset bondoptions
unset bridgename
unset bridgeslaves
unset team
unset uuid
unset ip
unset gw
unset mtu
unset mask
unset macaddr
unset slave
unset ethname
unset vlan
unset vlanname
unset phydevice
[ -e /tmp/bond.${netif}.info ] && . /tmp/bond.${netif}.info
[ -e /tmp/bridge.${netif}.info ] && . /tmp/bridge.${netif}.info
[ -e /tmp/team.${netif}.info ] && . /tmp/team.${netif}.info
uuid=$(cat /proc/sys/kernel/random/uuid)
if [ "$netif" = "$bridgename" ]; then
bridge=yes
elif [ "$netif" = "$teammaster" ]; then
team=yes
elif [ "$netif" = "$bondname" ]; then
# $netif can't be bridge and bond at the same time
bond=yes
fi
for i in /tmp/vlan.${netif}.*; do
[ ! -e "$i" ] && continue
. "$i"
vlan=yes
break
done
# skip team interfaces for now, the host config must be in sync
[ "$netif" = "$teammaster" ] && continue
{
echo "# Generated by dracut initrd"
echo "NAME=\"$netif\""
[ -z "$vlan" ] && interface_bind "$netif" "$macaddr"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "UUID=\"$uuid\""
strstr "$(ip -6 addr show dev $netif)" 'inet6' && echo "IPV6INIT=yes"
if [ -f /tmp/dhclient.$netif.lease ]; then
[ -f /tmp/dhclient.$netif.dhcpopts ] && . /tmp/dhclient.$netif.dhcpopts
if [ -f /tmp/net.$netif.has_ibft_config ]; then
echo "BOOTPROTO=ibft"
else
echo "BOOTPROTO=dhcp"
fi
cp /tmp/dhclient.$netif.lease /tmp/ifcfg-leases/dhclient-$uuid-$netif.lease
else
# If we've booted with static ip= lines, the override file is there
[ -e /tmp/net.$netif.override ] && . /tmp/net.$netif.override
if strglobin "$ip" '*:*:*'; then
echo "IPV6INIT=yes"
echo "IPV6_AUTOCONF=no"
echo "IPV6ADDR=\"$ip/$mask\""
else
if [ -f /tmp/net.$netif.has_ibft_config ]; then
echo "BOOTPROTO=ibft"
else
echo "BOOTPROTO=none"
echo "IPADDR=\"$ip\""
if strstr "$mask" "."; then
echo "NETMASK=\"$mask\""
else
echo "PREFIX=\"$mask\""
fi
fi
fi
if strglobin "$gw" '*:*:*'; then
echo "IPV6_DEFAULTGW=\"$gw\""
elif [ -n "$gw" ]; then
echo "GATEWAY=\"$gw\""
fi
fi
[ -n "$mtu" ] && echo "MTU=\"$mtu\""
} > /tmp/ifcfg/ifcfg-$netif
# bridge needs different things written to ifcfg
if [ -z "$bridge" ] && [ -z "$bond" ] && [ -z "$vlan" ] && [ -z "$team" ]; then
# standard interface
echo "TYPE=Ethernet" >> /tmp/ifcfg/ifcfg-$netif
fi
if [ -n "$vlan" ] ; then
{
echo "TYPE=Vlan"
echo "DEVICE=\"$netif\""
echo "VLAN=yes"
echo "PHYSDEV=\"$phydevice\""
} >> /tmp/ifcfg/ifcfg-$netif
fi
if [ -n "$bond" ] ; then
# bond interface
{
# This variable is an indicator of a bond interface for initscripts
echo "BONDING_OPTS=\"$bondoptions\""
echo "NAME=\"$netif\""
echo "TYPE=Bond"
} >> /tmp/ifcfg/ifcfg-$netif
for slave in $bondslaves ; do
# write separate ifcfg file for the raw eth interface
(
echo "# Generated by dracut initrd"
echo "NAME=\"$slave\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "SLAVE=yes"
echo "MASTER=\"$netif\""
echo "UUID=\"$(cat /proc/sys/kernel/random/uuid)\""
unset macaddr
[ -e /tmp/net.$slave.override ] && . /tmp/net.$slave.override
interface_bind "$slave" "$macaddr"
) >> /tmp/ifcfg/ifcfg-$slave
done
fi
if [ -n "$bridge" ] ; then
# bridge
{
echo "TYPE=Bridge"
echo "NAME=\"$netif\""
} >> /tmp/ifcfg/ifcfg-$netif
for slave in $bridgeslaves ; do
# write separate ifcfg file for the raw eth interface
(
echo "# Generated by dracut initrd"
echo "NAME=\"$slave\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "BRIDGE=\"$bridgename\""
echo "UUID=\"$(cat /proc/sys/kernel/random/uuid)\""
unset macaddr
[ -e /tmp/net.$slave.override ] && . /tmp/net.$slave.override
interface_bind "$slave" "$macaddr"
) >> /tmp/ifcfg/ifcfg-$slave
done
fi
i=1
for ns in $(getargs nameserver) $dns1 $dns2; do
echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-$netif
i=$((i+1))
done
[ -f /tmp/net.route6."$netif" ] && cp /tmp/net.route6."$netif" /tmp/ifcfg/route6-"$netif"
[ -f /tmp/net.route."$netif" ] && cp /tmp/net.route."$netif" /tmp/ifcfg/route-"$netif"
done
# Pass network opts
mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts
mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient
echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
{
cp /tmp/net.* /run/initramfs/
for i in /tmp/net.*.resolv.conf; do
[ -f "$i" ] && cat "$i"
done | sort -u > /run/initramfs/state/etc/resolv.conf
[ -s /run/initramfs/state/etc/resolv.conf ] || rm -f /run/initramfs/state/etc/resolv.conf
copytree /tmp/ifcfg /run/initramfs/state/etc/sysconfig/network-scripts
cp /tmp/ifcfg-leases/* /run/initramfs/state/var/lib/dhclient
} > /dev/null 2>&1