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openSUSE:Leap:15.6:Update
dracut.16003
0169-network_set_mtu_macaddr_for_dhcp.patch
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File 0169-network_set_mtu_macaddr_for_dhcp.patch of Package dracut.16003
From b27ca9cfcb5df2066e87f673cb5c060bcf4016fa Mon Sep 17 00:00:00 2001 From: Pawel Wieczorkiewicz <pwieczorkiewicz@suse.de> Date: Tue, 23 Aug 2016 12:29:03 +0200 Subject: Set MTU and LLADDR for DHCP if specified References: boo#959803 Signed-off-by: Pawel Wieczorkiewicz <pwieczorkiewicz@suse.de> --- modules.d/40network/ifup.sh | 52 ++++++++++++++++++++++++++++----------------- 1 file changed, 32 insertions(+), 20 deletions(-) diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh index 0aaea72..3b92854 100755 --- a/modules.d/40network/ifup.sh +++ b/modules.d/40network/ifup.sh @@ -90,7 +90,7 @@ else fi dhcp_apply() { - unset IPADDR INTERFACE BROADCAST NETWORK PREFIXLEN ROUTES GATEWAYS HOSTNAME DNSDOMAIN DNSSEARCH DNSSERVERS + unset IPADDR INTERFACE BROADCAST NETWORK PREFIXLEN ROUTES GATEWAYS MTU HOSTNAME DNSDOMAIN DNSSEARCH DNSSERVERS if [ -f /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1} ]; then . /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1} else @@ -128,6 +128,9 @@ dhcp_apply() { done fi + # Set MTU + [ -n "${MTU}" ] && ip $1 link set mtu "$MTU" dev "$INTERFACE" + # Setup hostname [ -n "${HOSTNAME}" ] && hostname "$HOSTNAME" @@ -167,6 +170,25 @@ dhcp_apply() { return 0 } +read_ifcfg() { + unset PREFIXLEN LLADDR MTU REMOTE_IPADDR GATEWAY BOOTPROTO + + if [ -e /etc/sysconfig/network/ifcfg-${netif} ] ; then + # Pull in existing configuration + . /etc/sysconfig/network/ifcfg-${netif} + + # The first configuration can be anything + [ -n "$PREFIXLEN" ] && prefix=${PREFIXLEN} + [ -n "$LLADDR" ] && macaddr=${LLADDR} + [ -n "$MTU" ] && mtu=${MTU} + [ -n "$REMOTE_IPADDR" ] && server=${REMOTE_IPADDR} + [ -n "$GATEWAY" ] && gw=${GATEWAY} + [ -n "$BOOTPROTO" ] && autoconf=${BOOTPROTO} + return 0 + fi + return 1 +} + # Run dhclient do_dhcp() { # dhclient-script will mark the netif up and generate the online @@ -197,14 +219,14 @@ do_dhcp() { dhclient="wickedd-dhcp4 --test" fi - if ! iface_has_link $netif; then - warn "No carrier detected" - warn "Trying to set $netif up..." - ip $1 link set dev "$netif" up - if ! iface_has_link $netif; then - warn "Failed..." - return 1 - fi + if ! linkup $netif; then + warn "Could not bring interface $netif up!" + return 1 + fi + + if read_ifcfg ; then + [ -n "$macaddr" ] && ip $1 link set address $macaddr dev $netif + [ -n "$mtu" ] && ip $1 link set mtu $mtu dev $netif fi $dhclient --test-format leaseinfo --test-output /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1} --test-request - $netif << EOF @@ -245,17 +267,7 @@ do_ipv6auto() { # Handle ip configuration via ifcfg files do_ifcfg() { - if [ "$autoconf" = "static" ] && - [ -e /etc/sysconfig/network/ifcfg-${netif} ] ; then - # Pull in existing static configuration - . /etc/sysconfig/network/ifcfg-${netif} - - # The first configuration can be anything - [ -n "$PREFIXLEN" ] && prefix=${PREFIXLEN} - [ -n "$MTU" ] && mtu=${MTU} - [ -n "$REMOTE_IPADDR" ] && server=${REMOTE_IPADDR} - [ -n "$GATEWAY" ] && gw=${GATEWAY} - [ -n "$BOOTPROTO" ] && autoconf=${BOOTPROTO} + if [ "$autoconf" = "static" ] && read_ifcfg; then case "$autoconf" in dhcp6) load_ipv6 -- 2.6.6
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