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546 lines
17 KiB
546 lines
17 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=$1 |
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# loopback is always handled the same way |
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if [ "$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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do_dhcp_parallel() { |
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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_carrier $netif; then |
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warn "No carrier detected on interface $netif" |
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return 1 |
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fi |
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bootintf=$(readlink $IFNETFILE) |
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if [ ! -z $bootintf ] && [ -e /tmp/dhclient.$bootintf.lease ]; then |
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info "DHCP already succeeded for $bootintf, exiting for $netif" |
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return 1 |
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fi |
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if [ ! -e /run/NetworkManager/conf.d/10-dracut-dhclient.conf ]; then |
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mkdir -p /run/NetworkManager/conf.d |
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echo '[main]' > /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
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echo 'dhcp=dhclient' >> /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
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fi |
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chmod +x /sbin/dhcp-multi.sh |
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/sbin/dhcp-multi.sh "$netif" "$DO_VLAN" "$@" & |
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return 0 |
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} |
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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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local _COUNT=0 |
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local _timeout=$(getargs rd.net.timeout.dhcp=) |
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local _DHCPRETRY=$(getargs rd.net.dhcp.retry=) |
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_DHCPRETRY=${_DHCPRETRY:-1} |
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[ -e /tmp/dhclient.$netif.pid ] && return 0 |
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if ! iface_has_carrier $netif; then |
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warn "No carrier detected on interface $netif" |
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return 1 |
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fi |
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if [ ! -e /run/NetworkManager/conf.d/10-dracut-dhclient.conf ]; then |
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mkdir -p /run/NetworkManager/conf.d |
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echo '[main]' > /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
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echo 'dhcp=dhclient' >> /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
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fi |
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while [ $_COUNT -lt $_DHCPRETRY ]; do |
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info "Starting dhcp for interface $netif" |
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dhclient "$@" \ |
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${_timeout:+--timeout $_timeout} \ |
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-q \ |
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-1 \ |
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-cf /etc/dhclient.conf \ |
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-pf /tmp/dhclient.$netif.pid \ |
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-lf /tmp/dhclient.$netif.lease \ |
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$netif \ |
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&& return 0 |
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_COUNT=$(($_COUNT + 1)) |
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[ $_COUNT -lt $_DHCPRETRY ] && sleep 1 |
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done |
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warn "dhcp for interface $netif failed" |
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# nuke those files since we failed; we might retry dhcp again if it's e.g. |
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# `ip=dhcp,dhcp6` and we check for the PID file at the top |
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rm -f /tmp/dhclient.$netif.{pid,lease} |
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return 1 |
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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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[ $i -gt 10 ] && break |
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sleep 0.1 |
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done |
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} |
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do_ipv6auto() { |
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local ret |
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load_ipv6 |
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echo 0 > /proc/sys/net/ipv6/conf/$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 $netif |
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ret=$? |
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[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname |
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return $ret |
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} |
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do_ipv6link() { |
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local ret |
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load_ipv6 |
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echo 0 > /proc/sys/net/ipv6/conf/$netif/forwarding |
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echo 0 > /proc/sys/net/ipv6/conf/$netif/accept_ra |
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echo 0 > /proc/sys/net/ipv6/conf/$netif/accept_redirects |
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linkup $netif |
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[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname |
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return $ret |
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} |
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# Handle static ip configuration |
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do_static() { |
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strglobin $ip '*:*:*' && load_ipv6 |
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if ! iface_has_carrier "$netif"; then |
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warn "No carrier detected on interface $netif" |
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return 1 |
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elif ! linkup "$netif"; then |
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warn "Could not bring interface $netif up!" |
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return 1 |
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fi |
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ip route get "$ip" 2> /dev/null | { |
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read a rest |
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if [ "$a" = "local" ]; then |
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warn "Not assigning $ip to interface $netif, cause it is already assigned!" |
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return 1 |
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fi |
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return 0 |
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} || return 1 |
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[ -n "$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 $netif |
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echo 0 > /proc/sys/net/ipv6/conf/$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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wait_for_ipv6_dad $netif |
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else |
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if [ -z "$srv" ]; then |
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if command -v arping2 > /dev/null; then |
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if arping2 -q -C 1 -c 2 -I $netif -0 $ip; then |
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warn "Duplicate address detected for $ip for interface $netif." |
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return 1 |
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fi |
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else |
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if ! arping -f -q -D -c 2 -I $netif $ip; then |
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warn "Duplicate address detected for $ip for interface $netif." |
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return 1 |
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fi |
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fi |
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fi |
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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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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 ${1##*.} |
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;; |
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esac |
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} |
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# check, if we need VLAN's for this interface |
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if [ -z "$DO_VLAN_PHY" ] && [ -e /tmp/vlan.${netif}.phy ]; then |
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unset DO_VLAN |
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NO_AUTO_DHCP=yes DO_VLAN_PHY=yes ifup "$netif" |
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modprobe -b -q 8021q |
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for i in /tmp/vlan.*.${netif}; do |
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[ -e "$i" ] || continue |
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unset vlanname |
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unset phydevice |
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. "$i" |
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if [ -n "$vlanname" ]; then |
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linkup "$phydevice" |
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ip link add dev "$vlanname" link "$phydevice" type vlan id "$(get_vid $vlanname)" |
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ifup "$vlanname" |
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fi |
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done |
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exit 0 |
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fi |
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# Check, if interface is VLAN interface |
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if ! [ -e /tmp/vlan.${netif}.phy ]; then |
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for i in /tmp/vlan.${netif}.*; do |
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[ -e "$i" ] || continue |
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export DO_VLAN=yes |
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break |
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done |
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fi |
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# bridge this interface? |
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if [ -z "$NO_BRIDGE_MASTER" ]; then |
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for i in /tmp/bridge.*.info; do |
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[ -e "$i" ] || continue |
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unset bridgeslaves |
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unset bridgename |
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. "$i" |
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for ethname in $bridgeslaves; do |
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[ "$netif" != "$ethname" ] && continue |
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NO_BRIDGE_MASTER=yes NO_AUTO_DHCP=yes ifup $ethname |
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linkup $ethname |
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if [ ! -e /tmp/bridge.$bridgename.up ]; then |
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ip link add name $bridgename type bridge |
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echo 0 > /sys/devices/virtual/net/$bridgename/bridge/forward_delay |
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> /tmp/bridge.$bridgename.up |
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fi |
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ip link set dev $ethname master $bridgename |
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ifup $bridgename |
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exit 0 |
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done |
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done |
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fi |
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# enslave this interface to bond? |
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if [ -z "$NO_BOND_MASTER" ]; then |
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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 $bondslaves; do |
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[ "$netif" != "$slave" ] && continue |
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# already setup |
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[ -e /tmp/bond.$bondname.up ] && exit 0 |
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# wait for all slaves to show up |
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for slave in $bondslaves; do |
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# try to create the slave (maybe vlan or bridge) |
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NO_BOND_MASTER=yes NO_AUTO_DHCP=yes ifup $slave |
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if ! ip link show dev $slave > /dev/null 2>&1; then |
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# wait for the last slave to show up |
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exit 0 |
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fi |
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done |
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modprobe -q -b bonding |
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echo "+$bondname" > /sys/class/net/bonding_masters 2> /dev/null |
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ip link set $bondname 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/${bondname}/bonding/$key |
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done |
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IFS=$OLDIFS |
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else |
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echo $value > /sys/class/net/${bondname}/bonding/$key |
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fi |
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done |
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linkup $bondname |
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for slave in $bondslaves; do |
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cat /sys/class/net/$slave/address > /tmp/net.${bondname}.${slave}.hwaddr |
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ip link set $slave down |
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echo "+$slave" > /sys/class/net/$bondname/bonding/slaves |
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linkup $slave |
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done |
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# Set mtu on bond master |
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[ -n "$bondmtu" ] && ip link set mtu $bondmtu dev $bondname |
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# add the bits to setup the needed post enslavement parameters |
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for arg in $bondoptions; do |
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key=${arg%%=*} |
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value=${arg##*=} |
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if [ "${key}" = "primary" ]; then |
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echo $value > /sys/class/net/${bondname}/bonding/$key |
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fi |
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done |
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> /tmp/bond.$bondname.up |
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NO_BOND_MASTER=yes ifup $bondname |
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exit $? |
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done |
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done |
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fi |
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if [ -z "$NO_TEAM_MASTER" ]; then |
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for i in /tmp/team.*.info; do |
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[ -e "$i" ] || continue |
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unset teammaster |
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unset teamslaves |
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. "$i" |
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for slave in $teamslaves; do |
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[ "$netif" != "$slave" ] && continue |
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[ -e /tmp/team.$teammaster.up ] && exit 0 |
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# wait for all slaves to show up |
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for slave in $teamslaves; do |
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# try to create the slave (maybe vlan or bridge) |
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NO_TEAM_MASTER=yes NO_AUTO_DHCP=yes ifup $slave |
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if ! ip link show dev $slave > /dev/null 2>&1; then |
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# wait for the last slave to show up |
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exit 0 |
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fi |
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done |
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if [ ! -e /tmp/team.$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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teamdctl ${teammaster} port present ${slave} 2> /dev/null \ |
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&& continue |
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ip link set dev $slave up 2> /dev/null |
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if wait_for_if_up $slave; then |
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working_slaves="$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 dev $slave down |
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( |
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unset TEAM_PORT_CONFIG |
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_hwaddr=$(cat /sys/class/net/$slave/address) |
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_subchannels=$(iface_get_subchannels "$slave") |
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if [ -n "$_hwaddr" ] && [ -e "/etc/sysconfig/network-scripts/mac-${_hwaddr}.conf" ]; then |
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. "/etc/sysconfig/network-scripts/mac-${_hwaddr}.conf" |
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elif [ -n "$_subchannels" ] && [ -e "/etc/sysconfig/network-scripts/ccw-${_subchannels}.conf" ]; then |
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. "/etc/sysconfig/network-scripts/ccw-${_subchannels}.conf" |
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elif [ -e "/etc/sysconfig/network-scripts/ifcfg-${slave}" ]; then |
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. "/etc/sysconfig/network-scripts/ifcfg-${slave}" |
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fi |
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if [ -n "${TEAM_PORT_CONFIG}" ]; then |
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/usr/bin/teamdctl ${teammaster} port config update ${slave} "${TEAM_PORT_CONFIG}" |
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fi |
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) |
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teamdctl $teammaster port add $slave |
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done |
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ip link set dev $teammaster up |
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> /tmp/team.$teammaster.up |
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NO_TEAM_MASTER=yes ifup $teammaster |
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exit $? |
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fi |
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done |
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done |
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fi |
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# all synthetic interfaces done.. now check if the interface is available |
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if ! ip link show dev $netif > /dev/null 2>&1; then |
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exit 1 |
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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.${netif}.did-setup ] && exit 0 |
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[ -z "$DO_VLAN" ] \ |
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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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# 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="$_dev" |
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;; |
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esac |
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# If this option isn't directed at our interface, skip it |
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if [ -n "$dev" ]; then |
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[ "$dev" != "$netif" ] && continue |
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else |
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iface_is_enslaved "$netif" && continue |
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fi |
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# Store config for later use |
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for i in ip srv gw mask hostname macaddr mtu dns1 dns2; do |
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eval '[ "$'$i'" ] && echo '$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 $autoopt in |
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dhcp | on | any) |
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do_dhcp -4 |
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;; |
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single-dhcp) |
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do_dhcp_parallel -4 |
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exit 0 |
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;; |
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dhcp6) |
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load_ipv6 |
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do_dhcp -6 |
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;; |
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auto6) |
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do_ipv6auto |
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;; |
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either6) |
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do_ipv6auto || do_dhcp -6 |
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;; |
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link6) |
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do_ipv6link |
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;; |
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*) |
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do_static |
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;; |
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esac |
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done |
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ret=$? |
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# setup nameserver |
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for s in "$dns1" "$dns2" $(getargs nameserver); do |
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[ -n "$s" ] || continue |
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echo nameserver $s >> /tmp/net.$netif.resolv.conf |
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done |
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if [ $ret -eq 0 ]; then |
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> /tmp/net.${netif}.up |
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if [ -z "$DO_VLAN" ] && [ -e /sys/class/net/${netif}/address ]; then |
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> /tmp/net.$(cat /sys/class/net/${netif}/address).up |
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fi |
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# and finally, finish interface set up if there isn't already a script |
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# to do so (which is the case in the dhcp path) |
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if [ ! -e $hookdir/initqueue/setup_net_$netif.sh ]; 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 $netif |
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fi |
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fi |
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if command -v wicked > /dev/null && [ -z "$manualup" ]; then |
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/sbin/netroot $netif |
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fi |
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exit $ret |
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fi |
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done |
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# no ip option directed at our interface? |
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if [ -z "$NO_AUTO_DHCP" ] && [ ! -e /tmp/net.${netif}.up ]; then |
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ret=1 |
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if [ -e /tmp/net.bootdev ]; then |
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BOOTDEV=$(cat /tmp/net.bootdev) |
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if [ "$netif" = "$BOOTDEV" ] || [ "$BOOTDEV" = "$(cat /sys/class/net/${netif}/address)" ]; then |
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do_dhcp |
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ret=$? |
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fi |
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else |
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# No ip lines, no bootdev -> default to dhcp |
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ip=$(getarg ip) |
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if getargs 'ip=dhcp6' > /dev/null || [ -z "$ip" -a "$netroot" = "dhcp6" ]; then |
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load_ipv6 |
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do_dhcp -6 |
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ret=$? |
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fi |
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if getargs 'ip=dhcp' > /dev/null || [ -z "$ip" -a "$netroot" != "dhcp6" ]; then |
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do_dhcp -4 |
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ret=$? |
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fi |
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fi |
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for s in $(getargs nameserver); do |
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[ -n "$s" ] || continue |
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echo nameserver $s >> /tmp/net.$netif.resolv.conf |
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done |
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if [ "$ret" -eq 0 ] && [ -n "$(ls /tmp/leaseinfo.${netif}* 2> /dev/null)" ]; then |
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> /tmp/net.${netif}.did-setup |
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if [ -e /sys/class/net/${netif}/address ]; then |
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> /tmp/net.$(cat /sys/class/net/${netif}/address).did-setup |
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fi |
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fi |
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fi |
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exit 0
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