[libvirt] [libvirt-test-API][PATCH] Add IPv6 section into network case

[jiahu]

Add IPv6 family related scenarios to virtual network case
---
 cases/basic_network.conf       | 8 ++++++++
 repos/network/define.py        | 7 ++++++-
 repos/network/xmls/network.xml | 5 +++++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/cases/basic_network.conf b/cases/basic_network.conf
index e9abd57..5d1438e 100644
--- a/cases/basic_network.conf
+++ b/cases/basic_network.conf
@@ -13,6 +13,14 @@ network:define
         $defaultnetend
     netmode
         nat
+    netip6addr
+        $netip6addr
+    netip6prefix
+        $netip6prefix
+    netip6start
+        $netip6start
+    netip6end
+        $netip6end
 
 network:network_list
     flags
diff --git a/repos/network/define.py b/repos/network/define.py
index dd054f7..6e50eb7 100644
--- a/repos/network/define.py
+++ b/repos/network/define.py
@@ -17,7 +17,12 @@ required_params = ('networkname',
                    'bridgenetmask',
                    'netstart',
                    'netend',
-                   'netmode',)
+                   'netmode',
+                   'netip6addr',
+                   'netip6prefix',
+                   'netip6start',
+                   'netip6end',
+                   )
 optional_params = {'xml' : 'xmls/network.xml',
                   }
 
diff --git a/repos/network/xmls/network.xml b/repos/network/xmls/network.xml
index 220169b..97e3517 100644
--- a/repos/network/xmls/network.xml
+++ b/repos/network/xmls/network.xml
@@ -7,4 +7,9 @@
       <range start="NETSTART" end="NETEND"/>
     </dhcp>
   </ip>
+  <ip family="ipv6" address="NETIP6ADDR" prefix="NETIP6PREFIX" >
+    <dhcp>
+      <range start="NETIP6START" end="NETIP6END" />
+    </dhcp>
+  </ip>
 </network>
-- 
1.8.1.4