net: mlx4: convert to hw_features

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/mlx4/en_ethtool.c

@@ -57,37 +57,6 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 	drvinfo->eedump_len = 0;
 }
 
-static u32 mlx4_en_get_tso(struct net_device *dev)
-{
-	return (dev->features & NETIF_F_TSO) != 0;
-}
-
-static int mlx4_en_set_tso(struct net_device *dev, u32 data)
-{
-	struct mlx4_en_priv *priv = netdev_priv(dev);
-
-	if (data) {
-		if (!priv->mdev->LSO_support)
-			return -EPERM;
-		dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
-	} else
-		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
-	return 0;
-}
-
-static u32 mlx4_en_get_rx_csum(struct net_device *dev)
-{
-	struct mlx4_en_priv *priv = netdev_priv(dev);
-	return priv->rx_csum;
-}
-
-static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
-{
-	struct mlx4_en_priv *priv = netdev_priv(dev);
-	priv->rx_csum = (data != 0);
-	return 0;
-}
-
 static const char main_strings[][ETH_GSTRING_LEN] = {
 	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
 	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
@@ -483,17 +452,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
 	.get_drvinfo = mlx4_en_get_drvinfo,
 	.get_settings = mlx4_en_get_settings,
 	.set_settings = mlx4_en_set_settings,
-#ifdef NETIF_F_TSO
-	.get_tso = mlx4_en_get_tso,
-	.set_tso = mlx4_en_set_tso,
-#endif
-	.get_sg = ethtool_op_get_sg,
-	.set_sg = ethtool_op_set_sg,
 	.get_link = ethtool_op_get_link,
-	.get_rx_csum = mlx4_en_get_rx_csum,
-	.set_rx_csum = mlx4_en_set_rx_csum,
-	.get_tx_csum = ethtool_op_get_tx_csum,
-	.set_tx_csum = ethtool_op_set_tx_ipv6_csum,
 	.get_strings = mlx4_en_get_strings,
 	.get_sset_count = mlx4_en_get_sset_count,
 	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
@@ -508,7 +467,6 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
 	.set_pauseparam = mlx4_en_set_pauseparam,
 	.get_ringparam = mlx4_en_get_ringparam,
 	.set_ringparam = mlx4_en_set_ringparam,
-	.get_flags = ethtool_op_get_flags,
 };
 
 

drivers/net/mlx4/en_netdev.c

@@ -1083,7 +1083,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	priv->prof = prof;
 	priv->port = port;
 	priv->port_up = false;
-	priv->rx_csum = 1;
 	priv->flags = prof->flags;
 	priv->tx_ring_num = prof->tx_ring_num;
 	priv->rx_ring_num = prof->rx_ring_num;
@@ -1141,21 +1140,16 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	/*
 	 * Set driver features
 	 */
-	dev->features |= NETIF_F_SG;
-	dev->vlan_features |= NETIF_F_SG;
-	dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
-	dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
-	dev->features |= NETIF_F_HIGHDMA;
-	dev->features |= NETIF_F_HW_VLAN_TX |
-			 NETIF_F_HW_VLAN_RX |
-			 NETIF_F_HW_VLAN_FILTER;
-	dev->features |= NETIF_F_GRO;
-	if (mdev->LSO_support) {
-		dev->features |= NETIF_F_TSO;
-		dev->features |= NETIF_F_TSO6;
-		dev->vlan_features |= NETIF_F_TSO;
-		dev->vlan_features |= NETIF_F_TSO6;
-	}
+	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
+	if (mdev->LSO_support)
+		dev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
+
+	dev->vlan_features = dev->hw_features;
+
+	dev->hw_features |= NETIF_F_RXCSUM;
+	dev->features = dev->hw_features | NETIF_F_HIGHDMA |
+			NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX |
+			NETIF_F_HW_VLAN_FILTER;
 
 	mdev->pndev[port] = dev;
 

drivers/net/mlx4/en_rx.c

@@ -584,7 +584,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
 		ring->bytes += length;
 		ring->packets++;
 
-		if (likely(priv->rx_csum)) {
+		if (likely(dev->features & NETIF_F_RXCSUM)) {
 			if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&
 			    (cqe->checksum == cpu_to_be16(0xffff))) {
 				priv->port_stats.rx_chksum_good++;

drivers/net/mlx4/mlx4_en.h

@@ -451,7 +451,6 @@ struct mlx4_en_priv {
 	int registered;
 	int allocated;
 	int stride;
-	int rx_csum;
 	u64 mac;
 	int mac_index;
 	unsigned max_mtu;