gre: Disable tx queue.

GRE is a software device that processes packets synchronously and
doesn't need a queue.  Currently we are using the default for
Ethernet devices but that is unnecessary.

diff --git a/datapath/linux-2.6/compat-2.6/ip_gre.c b/datapath/linux-2.6/compat-2.6/ip_gre.c
index 23a557400756cb8db0d797028f6637f510d87932..da43f4535accebe86d7ab3b623f24c9a7186b245 100644 (file)
--- a/datapath/linux-2.6/compat-2.6/ip_gre.c
+++ b/datapath/linux-2.6/compat-2.6/ip_gre.c
@@ -1589,6 +1589,7 @@ static void ipgre_tap_setup(struct net_device *dev)
 
        dev->iflink             = 0;
        dev->features           |= NETIF_F_NETNS_LOCAL;
+       dev->tx_queue_len       = 0;
 
        SET_ETHTOOL_OPS(dev, &ethtool_ops);
 }