[hyperv] Receive all VMBus messages in a poll

Allow for elision of transmitted TCP ACKs by handling all received VMBus messages in each network device poll operation. Signed-off-by: Michael Brown <mcb30@ipxe.org>
ipxe · Dec 20, 2014 · 4e68216 · 4e68216
1 parent 6729146
commit 4e68216
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/drivers/net/netvsc.c b/src/drivers/net/netvsc.c
@@ -435,9 +435,11 @@ static struct vmbus_channel_operations netvsc_channel_operations = {
  */
 static void netvsc_poll ( struct rndis_device *rndis ) {
 	struct netvsc_device *netvsc = rndis->priv;
+	struct vmbus_device *vmdev = netvsc->vmdev;
 
 	/* Poll VMBus device */
-	vmbus_poll ( netvsc->vmdev );
+	while ( vmbus_has_data ( vmdev ) )
+		vmbus_poll ( vmdev );
 }
 
 /**