mv643xx_eth: export rx csum get/set methods via ethtool

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 89eaf3b3c760..3bbbd9410c9c 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1528,6 +1528,24 @@ mv643xx_eth_set_ringparam(struct net_device *dev, struct ethtool_ringparam *er)
         return 0;
 }
 
+static u32
+mv643xx_eth_get_rx_csum(struct net_device *dev)
+{
+        struct mv643xx_eth_private *mp = netdev_priv(dev);
+
+        return !!(rdlp(mp, PORT_CONFIG) & 0x02000000);
+}
+
+static int
+mv643xx_eth_set_rx_csum(struct net_device *dev, u32 rx_csum)
+{
+        struct mv643xx_eth_private *mp = netdev_priv(dev);
+
+        wrlp(mp, PORT_CONFIG, rx_csum ? 0x02000000 : 0x00000000);
+
+        return 0;
+}
+
 static void mv643xx_eth_get_strings(struct net_device *dev,
                                     uint32_t stringset, uint8_t *data)
 {
@@ -1586,6 +1604,8 @@ static const struct ethtool_ops mv643xx_eth_ethtool_ops = {
         .set_coalesce           = mv643xx_eth_set_coalesce,
         .get_ringparam          = mv643xx_eth_get_ringparam,
         .set_ringparam          = mv643xx_eth_set_ringparam,
+        .get_rx_csum            = mv643xx_eth_get_rx_csum,
+        .set_rx_csum            = mv643xx_eth_set_rx_csum,
         .set_sg                 = ethtool_op_set_sg,
         .get_strings            = mv643xx_eth_get_strings,
         .get_ethtool_stats      = mv643xx_eth_get_ethtool_stats,