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>

2 files changed, 14 insertions, 17 deletions

diff --git a/drivers/net/atl1c/atl1c_ethtool.c b/drivers/net/atl1c/atl1c_ethtool.c
index 7c521508313c..3af5a336a5af 100644
--- a/drivers/net/atl1c/atl1c_ethtool.c
+++ b/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)
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 7d9d5067a65c..894d485bf5bc 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/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;
 }