From: Chad Dupuis <cdupuis@redhat.com>
Date: Tue, 3 Aug 2010 13:51:06 -0400
Subject: [net] netxen: fix tx csum status
Message-id: <20100803134822.2239.59.sendpatchset@localhost.localdomain>
Patchwork-id: 27331
O-Subject: [RHEL 5.6 PATCH 29/44] netxen: fix tx csum status
Bugzilla: 562937
RH-Acked-by: David S. Miller <davem@redhat.com>
RH-Acked-by: Neil Horman <nhorman@redhat.com>

Bugzilla
========

562937

Upstream Status
===============

net-2.6 commit id ff90cd4a1dcfc03bf228d94f553619198e65bc42

Description
===========

>From d55ca9775722a3d496664a533f4b7cfd64c80c53 Mon Sep 17 00:00:00 2001
From: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Date: Mon, 29 Mar 2010 02:43:41 +0000
Subject: [PATCH] netxen: fix tx csum status

Kernel default tx csum function (ethtool_op_get_tx_csum) doesn't show
correct csum status. It takes various FLAGS (NETIF_F_ALL_CSUM) in account
to show tx csum status, which driver doesn't set while disabling tx csum.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 911a983..a41ed24 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -703,6 +703,11 @@ netxen_nic_get_ethtool_stats(struct net_device *dev,
 	}
 }
 
+static u32 netxen_nic_get_tx_csum(struct net_device *dev)
+{
+	return dev->features & NETIF_F_IP_CSUM;
+}
+
 static u32 netxen_nic_get_rx_csum(struct net_device *dev)
 {
 	struct netxen_adapter *adapter = netdev_priv(dev);
@@ -887,7 +892,7 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
 	.set_ringparam = netxen_nic_set_ringparam,
 	.get_pauseparam = netxen_nic_get_pauseparam,
 	.set_pauseparam = netxen_nic_set_pauseparam,
-	.get_tx_csum = ethtool_op_get_tx_csum,
+	.get_tx_csum = netxen_nic_get_tx_csum,
 	.set_tx_csum = ethtool_op_set_tx_csum,
 	.get_sg = ethtool_op_get_sg,
 	.set_sg = ethtool_op_set_sg,