net: add queue for peer-to-peer packet forwarding

Now that we have re-factored the packet queue code, we can re-use
it for peer-to-peer also.

Patchworks-ID: 35520
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/net.h b/net.h
index e79f524..439de2a 100644
--- a/net.h
+++ b/net.h
@@ -28,6 +28,7 @@
     QTAILQ_ENTRY(VLANClientState) next;
     struct VLANState *vlan;
     VLANClientState *peer;
+    NetQueue *send_queue;
     char *model;
     char *name;
     char info_str[256];