3 #============================================================================
6 # Script for configuring a vif in routed mode.
7 # The hotplugging system will call this script if it is specified either in
8 # the device configuration given to Xend, or the default Xend configuration
9 # in /etc/xen/xend-config.sxp. If the script is specified in neither of those
10 # places, then vif-bridge is the default.
13 # vif-route (add|remove|online|offline)
16 # vif vif interface name (required).
17 # dev qemu interface name (optional)
18 # XENBUS_PATH path to this device's details in the XenStore (required).
19 # Read from the store:
20 # ip list of IP networks for the vif, space-separated (default given in
23 # This script will set up proxy arp for any ip addresses that are being routed
24 # type read to determine if the device is ioemu
26 #============================================================================
29 . "$dir/vif-common.sh"
36 if [ ${dev} != ${vif} ]; then
37 # This is an HVM and it has two interfaces, so we'll set up a bridge.
45 create_bridge ${brname}
46 setup_bridge_port ${dev}
47 setup_bridge_port ${vif}
48 add_to_bridge ${brname} ${dev}
49 add_to_bridge ${brname} ${vif}
51 ifconfig ${intfname} ${main_ip} netmask 255.255.255.255 up
52 echo 1 >/proc/sys/net/ipv4/conf/${intfname}/proxy_arp
53 echo 1 >/proc/sys/net/ipv4/conf/${intfname}/rp_filter
54 xenstore-write "$XENBUS_PATH/feature-gso-tcpv4" 0
55 ethtool -K ${vif} tx off
61 do_without_error brctl delif ${brname} ${vif}
62 do_without_error brctl delif ${brname} ${dev}
63 do_without_error ifconfig ${brname} down
66 cmdprefix='do_without_error'
70 vif_type=$(xenstore_read_default "$XENBUS_PATH/type" "viffront")
71 if [ ${vif_type} != "ioemu" -o x${qemu_online} = xyes ] ; then
73 # If we've been given a list of IP addresses, then add routes from dom0 to
74 # the guest using those addresses.
75 for addr in ${ip} ; do
76 ${cmdprefix} ip route ${ipcmd} ${addr} dev ${intfname} src ${main_ip}
77 if [ "$ipcmd" == "del" ]; then
78 do_without_error ip route del ${addr} dev ${dev} src ${main_ip}
80 if [ "$command" == "online" ]; then
81 arpspoof -i $(invirt-getconf xen.iface) -t 18.181.0.1 ${addr}&
89 if [[ "$command" == "offline" && -n "$brname" ]]
91 do_without_error brctl delbr ${brname}
94 log debug "Successful vif-route $command for $vif."
95 if [ "$command" == "online" ]