From: Jesse Gross <jesse@nicira.com>
Date: Mon, 22 Feb 2010 22:04:41 +0000 (-0500)
Subject: gre: Disable tx queue.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c8740c5be5a63c65d7d38e08179a43157d4c4b1;p=openvswitch

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 23a55740..da43f453 100644
--- 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);
 }