net: atl*: convert to hw_features

Things left as they were:
 - atl1: is RX checksum really enabled?
 - atl2: copy-paste from atl1, with-errors-on-modify I presume
 - atl1c: there's a bug: MTU can't be changed if device is not up

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

drivers/net/atl1c/atl1c_ethtool.c

@@ -113,11 +113,6 @@ static int atl1c_set_settings(struct net_device *netdev,
 	return 0;
 }
 
-static u32 atl1c_get_tx_csum(struct net_device *netdev)
-{
-	return (netdev->features & NETIF_F_HW_CSUM) != 0;
-}
-
 static u32 atl1c_get_msglevel(struct net_device *netdev)
 {
 	struct atl1c_adapter *adapter = netdev_priv(netdev);
@@ -307,9 +302,6 @@ static const struct ethtool_ops atl1c_ethtool_ops = {
 	.get_link               = ethtool_op_get_link,
 	.get_eeprom_len         = atl1c_get_eeprom_len,
 	.get_eeprom             = atl1c_get_eeprom,
-	.get_tx_csum            = atl1c_get_tx_csum,
-	.get_sg                 = ethtool_op_get_sg,
-	.set_sg                 = ethtool_op_set_sg,
 };
 
 void atl1c_set_ethtool_ops(struct net_device *netdev)

drivers/net/atl1c/atl1c_main.c

@@ -484,6 +484,15 @@ static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter,
 	adapter->rx_buffer_len = mtu > AT_RX_BUF_SIZE ?
 		roundup(mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN, 8) : AT_RX_BUF_SIZE;
 }
+
+static u32 atl1c_fix_features(struct net_device *netdev, u32 features)
+{
+	if (netdev->mtu > MAX_TSO_FRAME_SIZE)
+		features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+
+	return features;
+}
+
 /*
  * atl1c_change_mtu - Change the Maximum Transfer Unit
  * @netdev: network interface device structure
@@ -510,14 +519,8 @@ static int atl1c_change_mtu(struct net_device *netdev, int new_mtu)
 		netdev->mtu = new_mtu;
 		adapter->hw.max_frame_size = new_mtu;
 		atl1c_set_rxbufsize(adapter, netdev);
-		if (new_mtu > MAX_TSO_FRAME_SIZE) {
-			adapter->netdev->features &= ~NETIF_F_TSO;
-			adapter->netdev->features &= ~NETIF_F_TSO6;
-		} else {
-			adapter->netdev->features |= NETIF_F_TSO;
-			adapter->netdev->features |= NETIF_F_TSO6;
-		}
 		atl1c_down(adapter);
+		netdev_update_features(netdev);
 		atl1c_up(adapter);
 		clear_bit(__AT_RESETTING, &adapter->flags);
 		if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) {
@@ -2585,6 +2588,7 @@ static const struct net_device_ops atl1c_netdev_ops = {
 	.ndo_set_mac_address 	= atl1c_set_mac_addr,
 	.ndo_set_multicast_list = atl1c_set_multi,
 	.ndo_change_mtu		= atl1c_change_mtu,
+	.ndo_fix_features	= atl1c_fix_features,
 	.ndo_do_ioctl		= atl1c_ioctl,
 	.ndo_tx_timeout		= atl1c_tx_timeout,
 	.ndo_get_stats		= atl1c_get_stats,
@@ -2605,12 +2609,13 @@ static int atl1c_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
 	atl1c_set_ethtool_ops(netdev);
 
 	/* TODO: add when ready */
-	netdev->features =	NETIF_F_SG	   |
+	netdev->hw_features =	NETIF_F_SG	   |
 				NETIF_F_HW_CSUM	   |
 				NETIF_F_HW_VLAN_TX |
-				NETIF_F_HW_VLAN_RX |
 				NETIF_F_TSO	   |
 				NETIF_F_TSO6;
+	netdev->features =	netdev->hw_features |
+				NETIF_F_HW_VLAN_RX;
 	return 0;
 }
 

drivers/net/atl1e/atl1e_ethtool.c

@@ -382,9 +382,6 @@ static const struct ethtool_ops atl1e_ethtool_ops = {
 	.get_eeprom_len         = atl1e_get_eeprom_len,
 	.get_eeprom             = atl1e_get_eeprom,
 	.set_eeprom             = atl1e_set_eeprom,
-	.set_tx_csum            = ethtool_op_set_tx_hw_csum,
-	.set_sg                 = ethtool_op_set_sg,
-	.set_tso                = ethtool_op_set_tso,
 };
 
 void atl1e_set_ethtool_ops(struct net_device *netdev)

drivers/net/atl1e/atl1e_main.c

@@ -1927,11 +1927,7 @@ void atl1e_down(struct atl1e_adapter *adapter)
 	 * reschedule our watchdog timer */
 	set_bit(__AT_DOWN, &adapter->flags);
 
-#ifdef NETIF_F_LLTX
 	netif_stop_queue(netdev);
-#else
-	netif_tx_disable(netdev);
-#endif
 
 	/* reset MAC to disable all RX/TX */
 	atl1e_reset_hw(&adapter->hw);
@@ -2223,10 +2219,10 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
 	netdev->watchdog_timeo = AT_TX_WATCHDOG;
 	atl1e_set_ethtool_ops(netdev);
 
-	netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM |
-		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
-	netdev->features |= NETIF_F_LLTX;
-	netdev->features |= NETIF_F_TSO;
+	netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO |
+		NETIF_F_HW_VLAN_TX;
+	netdev->features = netdev->hw_features |
+		NETIF_F_HW_VLAN_RX | NETIF_F_LLTX;
 
 	return 0;
 }

drivers/net/atlx/atl1.c

@@ -2986,6 +2986,11 @@ static int __devinit atl1_probe(struct pci_dev *pdev,
 	netdev->features |= NETIF_F_SG;
 	netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
 
+	netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO;
+
+	/* is this valid? see atl1_setup_mac_ctrl() */
+	netdev->features |= NETIF_F_RXCSUM;
+
 	/*
 	 * patch for some L1 of old version,
 	 * the final version of L1 may not need these
@@ -3595,12 +3600,6 @@ static int atl1_set_pauseparam(struct net_device *netdev,
 	return 0;
 }
 
-/* FIXME: is this right? -- CHS */
-static u32 atl1_get_rx_csum(struct net_device *netdev)
-{
-	return 1;
-}
-
 static void atl1_get_strings(struct net_device *netdev, u32 stringset,
 	u8 *data)
 {
@@ -3668,13 +3667,9 @@ static const struct ethtool_ops atl1_ethtool_ops = {
 	.set_ringparam		= atl1_set_ringparam,
 	.get_pauseparam		= atl1_get_pauseparam,
 	.set_pauseparam		= atl1_set_pauseparam,
-	.get_rx_csum		= atl1_get_rx_csum,
-	.set_tx_csum		= ethtool_op_set_tx_hw_csum,
 	.get_link		= ethtool_op_get_link,
-	.set_sg			= ethtool_op_set_sg,
 	.get_strings		= atl1_get_strings,
 	.nway_reset		= atl1_nway_reset,
 	.get_ethtool_stats	= atl1_get_ethtool_stats,
 	.get_sset_count		= atl1_get_sset_count,
-	.set_tso		= ethtool_op_set_tso,
 };

drivers/net/atlx/atl2.c

@@ -1411,9 +1411,8 @@ static int __devinit atl2_probe(struct pci_dev *pdev,
 
 	err = -EIO;
 
-#ifdef NETIF_F_HW_VLAN_TX
+	netdev->hw_features = NETIF_F_SG;
 	netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
-#endif
 
 	/* Init PHY as early as possible due to power saving issue  */
 	atl2_phy_init(&adapter->hw);
@@ -1840,11 +1839,6 @@ static int atl2_set_settings(struct net_device *netdev,
 	return 0;
 }
 
-static u32 atl2_get_tx_csum(struct net_device *netdev)
-{
-	return (netdev->features & NETIF_F_HW_CSUM) != 0;
-}
-
 static u32 atl2_get_msglevel(struct net_device *netdev)
 {
 	return 0;
@@ -2112,12 +2106,6 @@ static const struct ethtool_ops atl2_ethtool_ops = {
 	.get_eeprom_len		= atl2_get_eeprom_len,
 	.get_eeprom		= atl2_get_eeprom,
 	.set_eeprom		= atl2_set_eeprom,
-	.get_tx_csum		= atl2_get_tx_csum,
-	.get_sg			= ethtool_op_get_sg,
-	.set_sg			= ethtool_op_set_sg,
-#ifdef NETIF_F_TSO
-	.get_tso		= ethtool_op_get_tso,
-#endif
 };
 
 static void atl2_set_ethtool_ops(struct net_device *netdev)