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add vlan support 

This patch depends on the latest dracut in git.
It adds support of dumping over a vlan device.

Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
This commit is contained in:
Cong Wang 2012-06-10 18:24:36 +08:00 committed by Dave Young
parent 999870558b
commit e720fcdadf
1 changed files with 14 additions and 0 deletions
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14
dracut-module-setup.sh
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@ -39,6 +39,10 @@ kdump_is_bond() {
[ -d /sys/class/net/"$1"/bonding ]
}
kdump_is_vlan() {
[ -f /proc/net/vlan/"$1" ]
}
#$1: netdev name
#checking /etc/sysconfig/network-scripts/ifcfg-$1,
#if it use static ip echo it, or echo null
@ -73,6 +77,14 @@ kdump_setup_bond() {
#echo "bondoptions=\"$bondoptions\"" >> ${initdir}/etc/cmdline.d/42bond.conf
}
kdump_setup_vlan() {
local _netdev=$1
local _phydev="$(awk '/^Device:/{print $2}' /proc/net/vlan/"$_netdev")"
local _netmac="$(kdump_get_mac_addr $_phydev)"
echo -n " ifname=$_phydev:$_netmac" > ${initdir}/etc/cmdline.d/43vlan.conf
echo " vlan=$_netdev:$_phydev" >> ${initdir}/etc/cmdline.d/43vlan.conf
}
# Setup dracut to bringup a given network interface
kdump_setup_netdev() {
local _netdev=$1
@ -92,6 +104,8 @@ kdump_setup_netdev() {
kdump_setup_bridge "$_netdev"
elif kdump_is_bond "$_netdev"; then
kdump_setup_bond "$_netdev"
elif kdump_is_vlan "$_netdev"; then
kdump_setup_vlan "$_netdev"
else
echo -n " ip=${_static}$_netdev:${_proto}" > ${initdir}/etc/cmdline.d/40ip.conf
echo " ifname=$_netdev:$(kdump_get_mac_addr $_netdev)" >> ${initdir}/etc/cmdline.d/40ip.conf