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# HG changeset patch
# User emellor@leeni.uk.xensource.com
# Node ID 95f84e37c90d573dd01cc29db5b81ffb5f86f84a
# Parent 7256d2425fa795556903b706beed870014c48406
Resurrect vifname xm create vif option support. This was present in earlier
versions of Xen, and allows one to name a vif when it is created. This is
useful for integration with IP accounting packages, for example.

Closes bug #439.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

diff -r 7256d2425fa7 -r 95f84e37c90d tools/examples/vif-common.sh
--- a/tools/examples/vif-common.sh Tue Dec 13 17:31:35 2005
+++ b/tools/examples/vif-common.sh Tue Dec 13 18:06:03 2005
@@ -51,6 +51,17 @@
# Check presence of compulsory args.
XENBUS_PATH="${XENBUS_PATH:?}"
vif="${vif:?}"
+
+
+vifname=$(xenstore_read_default "$XENBUS_PATH/vifname" "")
+if [ "$vifname" ]
+then
+ if [ "$command" == "online" ] && ! ip link show "$vifname" >&/dev/null
+ then
+ do_or_die ip link set "$vif" name "$vifname"
+ fi
+ vif="$vifname"
+fi


function frob_iptable()
diff -r 7256d2425fa7 -r 95f84e37c90d tools/python/xen/xend/server/netif.py
--- a/tools/python/xen/xend/server/netif.py Tue Dec 13 17:31:35 2005
+++ b/tools/python/xen/xend/server/netif.py Tue Dec 13 18:06:03 2005
@@ -74,9 +74,10 @@
typ = sxp.child_value(config, 'type')
if typ == 'ioemu':
return (None,{},{})
- bridge = sxp.child_value(config, 'bridge')
- mac = sxp.child_value(config, 'mac')
- ipaddr = _get_config_ipaddr(config)
+ bridge = sxp.child_value(config, 'bridge')
+ mac = sxp.child_value(config, 'mac')
+ vifname = sxp.child_value(config, 'vifname')
+ ipaddr = _get_config_ipaddr(config)

devid = self.allocateDeviceID()

@@ -90,6 +91,8 @@
back['ip'] = ' '.join(ipaddr)
if bridge:
back['bridge'] = bridge
+ if vifname:
+ back['vifname'] = vifname

front = { 'handle' : "%i" % devid,
'mac' : mac }
@@ -102,9 +105,8 @@

result = DevController.configuration(self, devid)

- (script, ip, bridge, mac) = self.readBackend(devid,
- 'script', 'ip', 'bridge',
- 'mac')
+ (script, ip, bridge, mac, typ, vifname) = self.readBackend(
+ devid, 'script', 'ip', 'bridge', 'mac', 'type', 'vifname')

if script:
result.append(['script',
@@ -116,5 +118,9 @@
result.append(['bridge', bridge])
if mac:
result.append(['mac', mac])
+ if typ:
+ result.append(['type', typ])
+ if vifname:
+ result.append(['vifname', vifname])

return result

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