netdev - [PATCH RFC v1 7/7] net/faraday: Enable offload checksum according to device-tree

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Date:	Tue,  6 Oct 2015 14:09:49 +1100
From:	Gavin Shan <gwshan@...ux.vnet.ibm.com>
To:	netdev@...r.kernel.org
Cc:	benh@...nel.crashing.org, davem@...emloft.net,
	Gavin Shan <gwshan@...ux.vnet.ibm.com>
Subject: [PATCH RFC v1 7/7] net/faraday: Enable offload checksum according to device-tree

This enables IP/UDP/TCP offload checksum according to information
passed on from bootloader through device-tree. The offload doesn't
working properly when the interface works in NCSI mode.

Signed-off-by: Gavin Shan <gwshan@...ux.vnet.ibm.com>
---
 drivers/net/ethernet/faraday/ftgmac100.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 1b13fd4..8caed35 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1377,7 +1377,11 @@ static int ftgmac100_probe(struct platform_device *pdev)
 
 	netdev->ethtool_ops = &ftgmac100_ethtool_ops;
 	netdev->netdev_ops = &ftgmac100_netdev_ops;
-	netdev->features = NETIF_F_IP_CSUM | NETIF_F_GRO;
+	if (pdev->dev.of_node &&
+	    of_get_property(pdev->dev.of_node, "no-hw-checksum", NULL))
+		netdev->features = NETIF_F_GRO;
+	else
+		netdev->features = NETIF_F_IP_CSUM | NETIF_F_GRO;
 
 	platform_set_drvdata(pdev, netdev);
 
-- 
2.1.0

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