#!/bin/sh
-# This file is based on /etc/xensource/script/vif from Citrix XenServer 5.0.0.
-# The original file did not contain a copyright notice or license statement.
+# Copyright (C) 2008,2009 Citrix Systems, Inc.
#
-# Copyright (C) 2009 Nicira Networks, Inc.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation; version 2.1 only. with the special
+# exception on linking described in file LICENSE.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Lesser General Public License for more details.
# CA-23900: Warning: when VIFs are added to windows guests with PV drivers the backend vif device is registered,
# unregistered and then registered again. This causes the udev event to fire twice and this script runs twice.
# Keep other-config/ keys in sync with device.ml:vif_udev_keys
-cfg_mod="/root/vswitch/bin/ovs-cfg-mod"
-dump_vif_details="/root/vswitch/scripts/dump-vif-details"
-service="/sbin/service"
-
-TYPE=`echo ${XENBUS_PATH} | cut -f 2 -d '/'`
-DOMID=`echo ${XENBUS_PATH} | cut -f 3 -d '/'`
-DEVID=`echo ${XENBUS_PATH} | cut -f 4 -d '/'`
-
-XAPI=/xapi/${DOMID}/hotplug/${TYPE}/${DEVID}
-HOTPLUG=/xapi/${DOMID}/hotplug/${TYPE}/${DEVID}
-PRIVATE=/xapi/${DOMID}/private/${TYPE}/${DEVID}
-BRCTL=/usr/sbin/brctl
-IP=/sbin/ip
+BRCTL="/usr/sbin/brctl"
+IP="/sbin/ip"
+vsctl="/usr/bin/ovs-vsctl"
handle_promiscuous()
{
- local arg=$(xenstore-read "${PRIVATE}/other-config/promiscuous")
+ local arg=$(xenstore-read "${PRIVATE}/other-config/promiscuous" 2>/dev/null)
if [ $? -eq 0 -a -n "${arg}" ] ; then
- case "${arg}" in
- true|on) echo 1 > /sys/class/net/${vif}/brport/promisc ;;
- *) echo 0 > /sys/class/net/${vif}/brport/promisc ;;
+ case $NETWORK_MODE in
+ bridge)
+ case "${arg}" in
+ true|on) echo 1 > /sys/class/net/${dev}/brport/promisc ;;
+ *) echo 0 > /sys/class/net/${dev}/brport/promisc ;;
+ esac
+ ;;
+ openvswitch)
+ logger -t script-vif "${dev}: Promiscuous ports are not supported via Open vSwitch."
+ ;;
esac
fi
}
handle_ethtool()
{
local opt=$1
- local arg=$(xenstore-read "${PRIVATE}/other-config/ethtool-${opt}")
+ local arg=$(xenstore-read "${PRIVATE}/other-config/ethtool-${opt}" 2>/dev/null)
if [ $? -eq 0 -a -n "${arg}" ] ; then
case "${arg}" in
- true|on) /sbin/ethtool -K "${vif}" "${opt}" on ;;
- false|off) /sbin/ethtool -K "${vif}" "${opt}" off ;;
- *) logger -t scripts-vif "Unknown ethtool argument ${opt}=${arg} on ${vif}/${VIFUUID}" ;;
+ true|on) /sbin/ethtool -K "${dev}" "${opt}" on ;;
+ false|off) /sbin/ethtool -K "${dev}" "${opt}" off ;;
+ *) logger -t scripts-vif "Unknown ethtool argument ${opt}=${arg} on ${dev}/${VIFUUID}" ;;
esac
fi
}
handle_mtu()
{
- local mtu=$(xenstore-read "${PRIVATE}/MTU")
+ local mtu=$(xenstore-read "${PRIVATE}/MTU" 2>/dev/null)
if [ $? -eq 0 -a -n "${mtu}" ]; then
- echo "${mtu}" > /sys/class/net/${vif}/mtu
+ logger -t scripts-vif "Setting ${dev} MTU ${mtu}"
+ ${IP} link set "${dev}" mtu ${mtu} || logger -t scripts-vif "Failed to ip link set ${dev} mtu ${mtu}. Error code $?"
+ fi
+}
+
+set_vif_external_id()
+{
+ local key=$1
+ local value=$2
+
+ logger -t scripts-vif "vif${DOMID}.${DEVID} external-ids:\"${key}\"=\"${value}\""
+
+ echo "-- set interface vif${DOMID}.${DEVID} external-ids:\"${key}\"=\"${value}\""
+}
+
+handle_vswitch_vif_details()
+{
+ local vm=$(xenstore-read "/local/domain/$DOMID/vm" 2>/dev/null)
+ if [ $? -eq 0 -a -n "${vm}" ] ; then
+ local vm_uuid=$(xenstore-read "$vm/uuid" 2>/dev/null)
+ fi
+ if [ -n "${vm_uuid}" ] ; then
+ set_vif_external_id "xs-vm-uuid" "${vm_uuid}"
+ fi
+
+ local vif_uuid=$(xenstore-read "${PRIVATE}/vif-uuid" 2>/dev/null)
+ if [ -n "${vif_uuid}" ] ; then
+ set_vif_external_id "xs-vif-uuid" "${vif_uuid}"
+ fi
+
+ local vif_details=
+ local net_uuid=$(xenstore-read "${PRIVATE}/network-uuid" 2>/dev/null)
+ if [ -n "${net_uuid}" ] ; then
+ set_vif_external_id "xs-network-uuid" "${net_uuid}"
+ fi
+ local address=$(xenstore-read "/local/domain/$DOMID/device/vif/$DEVID/mac" 2>/dev/null)
+ if [ -n "${address}" ] ; then
+ set_vif_external_id "attached-mac" "${address}"
fi
}
{
local address=$(xenstore-read "${PRIVATE}/bridge-MAC")
if [ $? -ne 0 -o -z "${address}" ]; then
- logger -t scripts-vif "Failed to read ${PRIVATE}/bridge-MAC from xenstore"
+ logger -t scripts-vif "Failed to read ${PRIVATE}/bridge-MAC from xenstore"
+ exit 1
fi
local bridge=$(xenstore-read "${PRIVATE}/bridge")
if [ $? -ne 0 -o -z "${bridge}" ]; then
- logger -t scripts-vif "Failed to read ${PRIVATE}/bridge from xenstore"
- fi
- logger -t scripts-vif "Adding ${vif} to ${bridge} with address ${address}"
-
- vid=
- if [ -e "/etc/openvswitch/br-$bridge" ]; then
- . "/etc/openvswitch/br-$bridge"
- if [ -n "$VLAN_SLAVE" -a -n "$VLAN_VID" ]; then
- bridge=$VLAN_SLAVE
- vid="--add=vlan.$vif.tag=$VLAN_VID"
- fi
+ logger -t scripts-vif "Failed to read ${PRIVATE}/bridge from xenstore"
+ exit 1
fi
+ logger -t scripts-vif "Adding ${dev} to ${bridge} with address ${address}"
- ${IP} link set "${vif}" down || logger -t scripts-vif "Failed to ip link set ${vif} down"
- ${IP} link set "${vif}" arp off || logger -t scripts-vif "Failed to ip link set ${vif} arp off"
- ${IP} link set "${vif}" multicast off || logger -t scripts-vif "Failed to ip link set ${vif} multicast off"
- ${IP} link set "${vif}" address "${address}" || logger -t scripts-vif "Failed to ip link set ${vif} address ${address}"
- ${IP} addr flush "${vif}" || logger -t scripts-vif "Failed to ip addr flush ${vif}"
+ ${IP} link set "${dev}" down || logger -t scripts-vif "Failed to ip link set ${dev} down"
+ ${IP} link set "${dev}" arp off || logger -t scripts-vif "Failed to ip link set ${dev} arp off"
+ ${IP} link set "${dev}" multicast off || logger -t scripts-vif "Failed to ip link set ${dev} multicast off"
+ ${IP} link set "${dev}" address "${address}" || logger -t scripts-vif "Failed to ip link set ${dev} address ${address}"
+ ${IP} addr flush "${dev}" || logger -t scripts-vif "Failed to ip addr flush ${dev}"
- local vif_details=$($dump_vif_details $DOMID $DEVID)
- if [ $? -ne 0 -o -z "${vif_details}" ]; then
- logger -t scripts-vif "Failed to retrieve vif details for vswitch"
- fi
+ case $NETWORK_MODE in
+ bridge)
+ ${BRCTL} setfd "${bridge}" 0 || logger -t scripts-vif "Failed to brctl setfd ${bridge} 0"
+ ${BRCTL} addif "${bridge}" "${dev}" || logger -t scripts-vif "Failed to brctl addif ${bridge} ${dev}"
+ ;;
+ openvswitch)
+ if [ "$TYPE" = "vif" ] ; then
+ local vif_details=$(handle_vswitch_vif_details $bridge)
+ fi
- $cfg_mod -F /etc/ovs-vswitchd.conf \
- --del-match="bridge.*.port=$vif" \
- --del-match="vlan.$vif.[!0-9]*" \
- --del-match="port.$vif.[!0-9]*" \
- --add="bridge.$bridge.port=$vif" \
- $vid $vif_details -c >/tmp/j
- $service vswitch reload
+ $vsctl --timeout=30 -- --if-exists del-port $dev -- add-port $bridge $dev $vif_details
+ ;;
+ esac
+
+ ${IP} link set "${dev}" up || logger -t scripts-vif "Failed to ip link set ${dev} up"
+}
+
+remove_from_bridge()
+{
+ case $NETWORK_MODE in
+ bridge)
+ # Nothing to do
+ ;;
+ openvswitch)
+ $vsctl --timeout=30 -- del-port $dev
+ ;;
+ esac
+}
+
+call_hook_script() {
+ local domid=$1
+ local action=$2
+ # Call the VIF hotplug hook if present
+ if [ -x /etc/xapi.d/vif-hotplug ]; then
+ local vm=$(xenstore-read "/local/domain/$domid/vm" 2>/dev/null)
+ if [ $? -eq 0 -a -n "${vm}" ] ; then
+ local vm_uuid=$(xenstore-read "$vm/uuid" 2>/dev/null)
+ fi
+ if [ -n "${vm_uuid}" ] ; then
+ logger -t scripts-vif "VM UUID ${vm_uuid}"
+ fi
- ${IP} link set "${vif}" up || logger -t scripts-vif "Failed to ip link set ${vif} up"
+ local vif_uuid=$(xenstore-read "${PRIVATE}/vif-uuid" 2>/dev/null)
+ if [ -n "${vif_uuid}" ] ; then
+ logger -t scripts-vif "VIF UUID ${vif_uuid}"
+ fi
+ if [ -n "${vif_uuid}" -a -n "${vm_uuid}" ] ; then
+ logger -t scripts-vif "Calling VIF hotplug hook for VM ${vm_uuid}, VIF ${vif_uuid}"
+ /etc/xapi.d/vif-hotplug -action "${action}" -vifuuid "${vif_uuid}" -vmuuid "${vm_uuid}"
+ fi
+ fi
}
-echo Called as "$@" "$TYPE" "$DOMID" "$DEVID" | logger -t scripts-vif
-case "$1" in
+NETWORK_MODE=$(cat /etc/xensource/network.conf)
+ACTION=$1
+
+# Older versions of XenServer do not pass in the type as an argument
+if [[ $# -lt 2 ]]; then
+ TYPE=vif
+else
+ TYPE=$2
+fi
+
+case $NETWORK_MODE in
+ bridge|openvswitch) ;;
+ vswitch) NETWORK_MODE=openvswitch ;;
+ *)
+ logger -t scripts-vif "Unknown network mode $NETWORK_MODE"
+ exit 1
+ ;;
+esac
+
+case ${TYPE} in
+ vif)
+ if [ -z ${XENBUS_PATH} ]; then
+ DOMID=$3
+ DEVID=$4
+ else
+ DOMID=`echo ${XENBUS_PATH} | cut -f 3 -d '/'`
+ DEVID=`echo ${XENBUS_PATH} | cut -f 4 -d '/'`
+ fi
+ dev=vif${DOMID}.${DEVID}
+ ;;
+ tap)
+ dev=$INTERFACE
+ DOMID=`echo ${dev#tap} | cut -f 1 -d '.'`
+ DEVID=`echo ${dev#tap} | cut -f 2 -d '.'`
+ ;;
+ *)
+ logger -t scripts-vif "unknown interface type ${TYPE}"
+ exit 1
+ ;;
+esac
+
+XAPI=/xapi/${DOMID}/hotplug/vif/${DEVID}
+HOTPLUG=/xapi/${DOMID}/hotplug/vif/${DEVID}
+PRIVATE=/xapi/${DOMID}/private/vif/${DEVID}
+
+logger -t scripts-vif "Called as \"$@\" domid:$DOMID devid:$DEVID mode:$NETWORK_MODE"
+case "${ACTION}" in
online)
- handle_ethtool rx
- handle_ethtool tx
- handle_ethtool sg
- handle_ethtool tso
- handle_ethtool ufo
- handle_ethtool gso
+ if [ "${TYPE}" = "vif" ] ; then
+ handle_ethtool rx
+ handle_ethtool tx
+ handle_ethtool sg
+ handle_ethtool tso
+ handle_ethtool ufo
+ handle_ethtool gso
- handle_mtu
- add_to_bridge
- handle_promiscuous
+ handle_mtu
+ add_to_bridge
+ handle_promiscuous
- xenstore-write "${HOTPLUG}/vif" "${vif}"
- xenstore-write "${HOTPLUG}/hotplug" "online"
+ xenstore-write "${HOTPLUG}/vif" "${dev}"
+ xenstore-write "${HOTPLUG}/hotplug" "online"
- # xs-xen.pq.hq:91e986b8e49f netback-wait-for-hotplug
- xenstore-write "/local/domain/0/backend/vif/${DOMID}/${DEVID}/hotplug-status" "connected"
+ # xs-xen.pq.hq:91e986b8e49f netback-wait-for-hotplug
+ xenstore-write "/local/domain/0/backend/vif/${DOMID}/${DEVID}/hotplug-status" "connected"
+ call_hook_script $DOMID "${ACTION}"
+ fi
+ ;;
+
+add)
+ if [ "${TYPE}" = "tap" ] ; then
+ add_to_bridge
+ fi
+ ;;
- ;;
remove)
- xenstore-rm "${HOTPLUG}/hotplug"
- vif=vif${DOMID}.${DEVID}
- logger -t scripts-vif "${vif} has been removed"
- $cfg_mod -vANY:console:emer -F /etc/ovs-vswitchd.conf \
- --del-match="bridge.*.port=${vif}" \
- --del-match="vlan.${vif}.[!0-9]*" \
- --del-match="port.${vif}.[!0-9]*" -c
- ;;
+ if [ "${TYPE}" = "vif" ] ;then
+ xenstore-rm "${HOTPLUG}/hotplug"
+ call_hook_script $DOMID "${ACTION}"
+ fi
+ logger -t scripts-vif "${dev} has been removed"
+ remove_from_bridge
+ ;;
+
+move)
+ if [ "${TYPE}" = "vif" ] ;then
+ add_to_bridge
+ fi
esac