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path: root/drivers/net/ethernet/calxeda/xgmac.c
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Diffstat (limited to 'drivers/net/ethernet/calxeda/xgmac.c')
-rw-r--r--drivers/net/ethernet/calxeda/xgmac.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index 63efa0dc45ba..6e723662ee69 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -394,7 +394,7 @@ struct xgmac_priv {
};
/* XGMAC Configuration Settings */
-#define MAX_MTU 9000
+#define XGMAC_MAX_MTU 9000
#define PAUSE_TIME 0x400
#define DMA_RX_RING_SZ 256
@@ -1360,20 +1360,6 @@ out:
*/
static int xgmac_change_mtu(struct net_device *dev, int new_mtu)
{
- struct xgmac_priv *priv = netdev_priv(dev);
- int old_mtu;
-
- if ((new_mtu < 46) || (new_mtu > MAX_MTU)) {
- netdev_err(priv->dev, "invalid MTU, max MTU is: %d\n", MAX_MTU);
- return -EINVAL;
- }
-
- old_mtu = dev->mtu;
-
- /* return early if the buffer sizes will not change */
- if (old_mtu == new_mtu)
- return 0;
-
/* Stop everything, get ready to change the MTU */
if (!netif_running(dev))
return 0;
@@ -1804,6 +1790,10 @@ static int xgmac_probe(struct platform_device *pdev)
ndev->features |= ndev->hw_features;
ndev->priv_flags |= IFF_UNICAST_FLT;
+ /* MTU range: 46 - 9000 */
+ ndev->min_mtu = ETH_ZLEN - ETH_HLEN;
+ ndev->max_mtu = XGMAC_MAX_MTU;
+
/* Get the MAC address */
xgmac_get_mac_addr(priv->base, ndev->dev_addr, 0);
if (!is_valid_ether_addr(ndev->dev_addr))