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Support dump over vlan tagged bonding

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Update: error out vlan over bridge case

This patch adds support for vlan tagged bonding,
in theory, we could support other complex setup as well,
in practice, this is not easy, so just support vlan
tagged bonding, which is the one we support in RHEL6.

Note, this patch depends on the dracut patch:
http://marc.info/?l=initramfs&m=134025049228510&w=2

Cc: Dave Young <dyoung@redhat.com>
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 2012-06-26 18:45:04 +08:00 committed by Dave Young
parent b5f7f39ee6
commit 469bdf2cae
1 changed files with 13 additions and 2 deletions
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15
dracut-module-setup.sh
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@ -81,8 +81,19 @@ 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" >> ${initdir}/etc/cmdline.d/43vlan.conf
echo " vlan=$_netdev:$_phydev" > ${initdir}/etc/cmdline.d/43vlan.conf
#Just support vlan over bond, it is not easy
#to support all other complex setup
if kdump_is_bridge "$_phydev"; then
derror "Vlan over bridge is not supported!"
exit 1
elif kdump_is_bond "$_phydev"; then
kdump_setup_bond "$_phydev"
else
echo " vlan=$_netdev:$_phydev ifname=$_phydev:$_netmac" > ${initdir}/etc/cmdline.d/43vlan.conf
fi
}
# Setup dracut to bringup a given network interface