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378 lines
11 KiB
378 lines
11 KiB
#!/bin/sh |
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# |
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# We don't need to check for ip= errors here, that is handled by the |
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# cmdline parser script |
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# |
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# without $2 means this is for real netroot case |
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# or it is for manually bring up network ie. for kdump scp vmcore |
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PATH=/usr/sbin:/usr/bin:/sbin:/bin |
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type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh |
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type ip_to_var >/dev/null 2>&1 || . /lib/net-lib.sh |
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# Huh? No $1? |
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[ -z "$1" ] && exit 1 |
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# $netif reads easier than $1 |
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netif=$1 |
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use_bridge='false' |
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use_vlan='false' |
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# enslave this interface to bond? |
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for i in /tmp/bond.*.info; do |
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[ -e "$i" ] || continue |
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unset bondslaves |
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unset bondname |
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. "$i" |
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for slave in $bondslaves ; do |
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if [ "$netif" = "$slave" ] ; then |
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netif=$bondname |
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break 2 |
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fi |
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done |
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done |
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if [ -e /tmp/team.info ]; then |
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. /tmp/team.info |
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for slave in $teamslaves ; do |
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if [ "$netif" = "$slave" ] ; then |
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netif=$teammaster |
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fi |
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done |
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fi |
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if [ -e /tmp/vlan.info ]; then |
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. /tmp/vlan.info |
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if [ "$netif" = "$phydevice" ]; then |
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if [ "$netif" = "$bondname" ] && [ -n "$DO_BOND_SETUP" ] ; then |
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: # We need to really setup bond (recursive call) |
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elif [ "$netif" = "$teammaster" ] && [ -n "$DO_TEAM_SETUP" ] ; then |
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: # We need to really setup team (recursive call) |
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else |
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netif="$vlanname" |
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use_vlan='true' |
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fi |
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fi |
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fi |
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# bridge this interface? |
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if [ -e /tmp/bridge.info ]; then |
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. /tmp/bridge.info |
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for ethname in $bridgeslaves ; do |
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if [ "$netif" = "$ethname" ]; then |
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if [ "$netif" = "$bondname" ] && [ -n "$DO_BOND_SETUP" ] ; then |
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: # We need to really setup bond (recursive call) |
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elif [ "$netif" = "$teammaster" ] && [ -n "$DO_TEAM_SETUP" ] ; then |
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: # We need to really setup team (recursive call) |
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elif [ "$netif" = "$vlanname" ] && [ -n "$DO_VLAN_SETUP" ]; then |
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: # We need to really setup vlan (recursive call) |
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else |
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netif="$bridgename" |
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use_bridge='true' |
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fi |
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fi |
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done |
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fi |
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# disable manual ifup while netroot is set for simplifying our logic |
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# in netroot case we prefer netroot to bringup $netif automaticlly |
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[ -n "$2" -a "$2" = "-m" ] && [ -z "$netroot" ] && manualup="$2" |
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if [ -n "$manualup" ]; then |
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>/tmp/net.$netif.manualup |
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rm -f /tmp/net.${netif}.did-setup |
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else |
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[ -e /tmp/net.${netif}.did-setup ] && exit 0 |
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[ -e /sys/class/net/$netif/address ] && \ |
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[ -e /tmp/net.$(cat /sys/class/net/$netif/address).did-setup ] && exit 0 |
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fi |
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# Run dhclient |
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do_dhcp() { |
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# dhclient-script will mark the netif up and generate the online |
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# event for nfsroot |
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# XXX add -V vendor class and option parsing per kernel |
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[ -e /tmp/dhclient.$netif.pid ] && return 0 |
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if ! iface_has_link $netif; then |
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echo "No carrier detected" |
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return 1 |
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fi |
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echo "Starting dhcp for interface $netif" |
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dhclient "$@" -1 -q -cf /etc/dhclient.conf -pf /tmp/dhclient.$netif.pid -lf /tmp/dhclient.$netif.lease $netif \ |
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|| echo "dhcp failed" |
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} |
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load_ipv6() { |
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[ -d /proc/sys/net/ipv6 ] && return |
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modprobe ipv6 |
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i=0 |
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while [ ! -d /proc/sys/net/ipv6 ]; do |
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i=$(($i+1)) |
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[ $i -gt 10 ] && break |
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sleep 0.1 |
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done |
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} |
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do_ipv6auto() { |
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load_ipv6 |
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echo 0 > /proc/sys/net/ipv6/conf/$netif/forwarding |
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echo 1 > /proc/sys/net/ipv6/conf/$netif/accept_ra |
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echo 1 > /proc/sys/net/ipv6/conf/$netif/accept_redirects |
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linkup $netif |
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wait_for_ipv6_auto $netif |
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[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname |
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return 0 |
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} |
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# Handle static ip configuration |
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do_static() { |
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strglobin $ip '*:*:*' && load_ipv6 |
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linkup $netif |
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[ -n "$macaddr" ] && ip link set address $macaddr dev $netif |
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[ -n "$mtu" ] && ip link set mtu $mtu dev $netif |
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if strglobin $ip '*:*:*'; then |
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# note no ip addr flush for ipv6 |
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ip addr add $ip/$mask ${srv:+peer $srv} dev $netif |
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wait_for_ipv6_dad $netif |
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else |
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ip addr flush dev $netif |
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ip addr add $ip/$mask ${srv:+peer $srv} brd + dev $netif |
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fi |
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[ -n "$gw" ] && echo ip route replace default via $gw dev $netif > /tmp/net.$netif.gw |
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[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname |
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return 0 |
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} |
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# loopback is always handled the same way |
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if [ "$netif" = "lo" ] ; then |
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ip link set lo up |
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ip addr add 127.0.0.1/8 dev lo |
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exit 0 |
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fi |
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# start bond if needed |
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if [ -e /tmp/bond.${netif}.info ]; then |
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. /tmp/bond.${netif}.info |
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if [ "$netif" = "$bondname" ] && [ ! -e /tmp/net.$bondname.up ] ; then # We are master bond device |
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modprobe bonding |
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echo "+$netif" > /sys/class/net/bonding_masters |
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ip link set $netif down |
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# Stolen from ifup-eth |
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# add the bits to setup driver parameters here |
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for arg in $bondoptions ; do |
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key=${arg%%=*}; |
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value=${arg##*=}; |
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# %{value:0:1} is replaced with non-bash specific construct |
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if [ "${key}" = "arp_ip_target" -a "${#value}" != "0" -a "+${value%%+*}" != "+" ]; then |
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OLDIFS=$IFS; |
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IFS=','; |
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for arp_ip in $value; do |
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echo +$arp_ip > /sys/class/net/${netif}/bonding/$key |
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done |
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IFS=$OLDIFS; |
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else |
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echo $value > /sys/class/net/${netif}/bonding/$key |
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fi |
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done |
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linkup $netif |
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for slave in $bondslaves ; do |
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ip link set $slave down |
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cat /sys/class/net/$slave/address > /tmp/net.${netif}.${slave}.hwaddr |
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echo "+$slave" > /sys/class/net/$bondname/bonding/slaves |
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linkup $slave |
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done |
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# add the bits to setup the needed post enslavement parameters |
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for arg in $BONDING_OPTS ; do |
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key=${arg%%=*}; |
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value=${arg##*=}; |
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if [ "${key}" = "primary" ]; then |
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echo $value > /sys/class/net/${netif}/bonding/$key |
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fi |
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done |
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fi |
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fi |
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if [ -e /tmp/team.info ]; then |
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. /tmp/team.info |
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if [ "$netif" = "$teammaster" ] && [ ! -e /tmp/net.$teammaster.up ] ; then |
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# We shall only bring up those _can_ come up |
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# in case of some slave is gone in active-backup mode |
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working_slaves="" |
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for slave in $teamslaves ; do |
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ip link set $slave up 2>/dev/null |
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if wait_for_if_up $slave; then |
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working_slaves+="$slave " |
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fi |
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done |
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# Do not add slaves now |
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teamd -d -U -n -N -t $teammaster -f /etc/teamd/$teammaster.conf |
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for slave in $working_slaves; do |
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# team requires the slaves to be down before joining team |
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ip link set $slave down |
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teamdctl $teammaster port add $slave |
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done |
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ip link set $teammaster up |
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fi |
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fi |
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# XXX need error handling like dhclient-script |
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if [ -e /tmp/bridge.info ]; then |
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. /tmp/bridge.info |
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# start bridge if necessary |
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if [ "$netif" = "$bridgename" ] && [ ! -e /tmp/net.$bridgename.up ]; then |
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brctl addbr $bridgename |
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brctl setfd $bridgename 0 |
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for ethname in $bridgeslaves ; do |
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if [ "$ethname" = "$bondname" ] ; then |
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DO_BOND_SETUP=yes ifup $bondname -m |
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elif [ "$ethname" = "$teammaster" ] ; then |
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DO_TEAM_SETUP=yes ifup $teammaster -m |
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elif [ "$ethname" = "$vlanname" ]; then |
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DO_VLAN_SETUP=yes ifup $vlanname -m |
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else |
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linkup $ethname |
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fi |
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brctl addif $bridgename $ethname |
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done |
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fi |
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fi |
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get_vid() { |
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case "$1" in |
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vlan*) |
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echo ${1#vlan} |
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;; |
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*.*) |
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echo ${1##*.} |
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;; |
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esac |
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} |
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if [ "$netif" = "$vlanname" ] && [ ! -e /tmp/net.$vlanname.up ]; then |
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modprobe 8021q |
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if [ "$phydevice" = "$bondname" ] ; then |
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DO_BOND_SETUP=yes ifup $phydevice -m |
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elif [ "$phydevice" = "$teammaster" ] ; then |
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DO_TEAM_SETUP=yes ifup $phydevice -m |
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else |
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linkup "$phydevice" |
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fi |
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ip link add dev "$vlanname" link "$phydevice" type vlan id "$(get_vid $vlanname)" |
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ip link set "$vlanname" up |
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fi |
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# No ip lines default to dhcp |
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ip=$(getarg ip) |
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if [ -z "$ip" ]; then |
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namesrv=$(getargs nameserver) |
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for s in $namesrv; do |
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echo nameserver $s >> /tmp/net.$netif.resolv.conf |
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done |
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if [ "$netroot" = "dhcp6" ]; then |
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do_dhcp -6 |
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else |
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do_dhcp -4 |
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fi |
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fi |
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# Specific configuration, spin through the kernel command line |
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# looking for ip= lines |
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for p in $(getargs ip=); do |
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ip_to_var $p |
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# skip ibft |
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[ "$autoconf" = "ibft" ] && continue |
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case "$dev" in |
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??:??:??:??:??:??) # MAC address |
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_dev=$(iface_for_mac $dev) |
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[ -n "$_dev" ] && dev="$_dev" |
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;; |
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??-??-??-??-??-??) # MAC address in BOOTIF form |
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_dev=$(iface_for_mac $(fix_bootif $dev)) |
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[ -n "$_dev" ] && dev="$_dev" |
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;; |
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esac |
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# If this option isn't directed at our interface, skip it |
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[ -n "$dev" ] && [ "$dev" != "$netif" ] && \ |
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[ "$use_bridge" != 'true' ] && \ |
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[ "$use_vlan" != 'true' ] && continue |
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# setup nameserver |
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namesrv="$dns1 $dns2 $(getargs nameserver)" |
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for s in $namesrv; do |
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echo nameserver $s >> /tmp/net.$netif.resolv.conf |
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done |
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# Store config for later use |
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for i in ip srv gw mask hostname macaddr dns1 dns2; do |
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eval '[ "$'$i'" ] && echo '$i'="$'$i'"' |
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done > /tmp/net.$netif.override |
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for autoopt in $(str_replace "$autoconf" "," " "); do |
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case $autoopt in |
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dhcp|on|any) |
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do_dhcp -4 ;; |
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dhcp6) |
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load_ipv6 |
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do_dhcp -6 ;; |
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auto6) |
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do_ipv6auto ;; |
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*) |
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do_static ;; |
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esac |
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done |
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> /tmp/net.${netif}.up |
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case $autoconf in |
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dhcp|on|any|dhcp6) |
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;; |
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*) |
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if [ $? -eq 0 ]; then |
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setup_net $netif |
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source_hook initqueue/online $netif |
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if [ -z "$manualup" ]; then |
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/sbin/netroot $netif |
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fi |
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fi |
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;; |
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esac |
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exit 0 |
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done |
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# netif isn't the top stack? Then we should exit here. |
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# eg. netif is bond0. br0 is on top of it. dhcp br0 is correct but dhcp |
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# bond0 doesn't make sense. |
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if [ -n "$DO_BOND_SETUP" -o -n "$DO_TEAM_SETUP" -o -n "$DO_VLAN_SETUP" ]; then |
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exit 0 |
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fi |
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# no ip option directed at our interface? |
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if [ ! -e /tmp/net.${netif}.up ]; then |
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if getargs 'ip=dhcp6'; then |
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load_ipv6 |
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do_dhcp -6 |
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else |
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do_dhcp -4 |
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fi |
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fi |
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exit 0
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