diff options
Diffstat (limited to 'drivers/net/ethernet/oki-semi/pch_gbe')
| -rw-r--r-- | drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 3cd87a41ac92..d461f419948e 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -2260,16 +2260,10 @@ static int pch_gbe_set_mac(struct net_device *netdev, void *addr) static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) { struct pch_gbe_adapter *adapter = netdev_priv(netdev); - int max_frame; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; unsigned long old_rx_buffer_len = adapter->rx_buffer_len; int err; - max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > PCH_GBE_MAX_JUMBO_FRAME_SIZE)) { - netdev_err(netdev, "Invalid MTU setting\n"); - return -EINVAL; - } if (max_frame <= PCH_GBE_FRAME_SIZE_2048) adapter->rx_buffer_len = PCH_GBE_FRAME_SIZE_2048; else if (max_frame <= PCH_GBE_FRAME_SIZE_4096) @@ -2633,6 +2627,11 @@ static int pch_gbe_probe(struct pci_dev *pdev, netdev->features = netdev->hw_features; pch_gbe_set_ethtool_ops(netdev); + /* MTU range: 46 - 10300 */ + netdev->min_mtu = ETH_ZLEN - ETH_HLEN; + netdev->max_mtu = PCH_GBE_MAX_JUMBO_FRAME_SIZE - + (ETH_HLEN + ETH_FCS_LEN); + pch_gbe_mac_load_mac_addr(&adapter->hw); pch_gbe_mac_reset_hw(&adapter->hw); |