diff options
Diffstat (limited to 'xenserver/etc_xensource_scripts_vif')
| -rwxr-xr-x | xenserver/etc_xensource_scripts_vif | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/xenserver/etc_xensource_scripts_vif b/xenserver/etc_xensource_scripts_vif new file mode 100755 index 000000000..fcf13a690 --- /dev/null +++ b/xenserver/etc_xensource_scripts_vif @@ -0,0 +1,130 @@ +#!/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) 2009 Nicira Networks, Inc. + +# 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. +# Since the first invocation of the script races with the device unregistration, spurious errors are possible +# which will be logged but are safe to ignore since the second script invocation should complete the operation. +# Note that each script invocation is run synchronously from udev and so the scripts don't race with each other. + +# Keep other-config/ keys in sync with device.ml:vif_udev_keys + +cfg_mod="/root/vswitch/bin/ovs-cfg-mod" +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 + + +handle_promiscuous() +{ + local arg=$(xenstore-read "${PRIVATE}/other-config/promiscuous") + 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 ;; + esac + fi +} + +handle_ethtool() +{ + local opt=$1 + local arg=$(xenstore-read "${PRIVATE}/other-config/ethtool-${opt}") + 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}" ;; + esac + fi +} + +handle_mtu() +{ + local mtu=$(xenstore-read "${PRIVATE}/MTU") + if [ $? -eq 0 -a -n "${mtu}" ]; then + echo "${mtu}" > /sys/class/net/${vif}/mtu + fi +} + +add_to_bridge() +{ + local address=$(xenstore-read "${PRIVATE}/bridge-MAC") + if [ $? -ne 0 -o -z "${address}" ]; then + logger -t scripts-vif "Failed to read ${PRIVATE}/bridge-MAC from xenstore" + fi + local bridge=$(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 + fi + + ${IP} link set "${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}" + + $cfg_mod -F /etc/ovs-vswitchd.conf \ + --del-match="bridge.*.port=$vif" \ + --del-match="vlan.$vif.[!0-9]*" \ + --del-match="port.$vif.[!0-9]*" \ + --add="bridge.$bridge.port=$vif" \ + $vid -c + $service vswitch reload + + ${IP} link set "${vif}" up || logger -t scripts-vif "Failed to ip link set ${vif} up" +} + +echo Called as "$@" "$TYPE" "$DOMID" "$DEVID" | logger -t scripts-vif +case "$1" in +online) + handle_ethtool rx + handle_ethtool tx + handle_ethtool sg + handle_ethtool tso + handle_ethtool ufo + handle_ethtool gso + + handle_mtu + add_to_bridge + handle_promiscuous + + xenstore-write "${HOTPLUG}/vif" "${vif}" + xenstore-write "${HOTPLUG}/hotplug" "online" + + # xs-xen.pq.hq:91e986b8e49f netback-wait-for-hotplug + xenstore-write "/local/domain/0/backend/vif/${DOMID}/${DEVID}/hotplug-status" "connected" + + ;; +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 + ;; +esac |