+static int ftgmac100_set_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct ftgmac100 *priv = netdev_priv(netdev);
+ netdev_features_t changed = netdev->features ^ features;
+
+ if (!netif_running(netdev))
+ return 0;
+
+ /* Update the vlan filtering bit */
+ if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
+ u32 maccr;
+
+ maccr = ioread32(priv->base + FTGMAC100_OFFSET_MACCR);
+ if (priv->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
+ maccr |= FTGMAC100_MACCR_RM_VLAN;
+ else
+ maccr &= ~FTGMAC100_MACCR_RM_VLAN;
+ iowrite32(maccr, priv->base + FTGMAC100_OFFSET_MACCR);
+ }
+
+ return 0;
+}
+