diff options
Diffstat (limited to 'drivers/net/ethernet/atheros/atl1e/atl1e_main.c')
| -rw-r--r-- | drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 974713b19ab6..e96091b652a7 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -439,16 +439,10 @@ static int atl1e_set_features(struct net_device *netdev, static int atl1e_change_mtu(struct net_device *netdev, int new_mtu) { struct atl1e_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - netdev_warn(adapter->netdev, "invalid MTU setting\n"); - return -EINVAL; - } /* set MTU */ - if (old_mtu != new_mtu && netif_running(netdev)) { + if (netif_running(netdev)) { while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) msleep(1); netdev->mtu = new_mtu; @@ -2272,6 +2266,10 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) netdev->netdev_ops = &atl1e_netdev_ops; netdev->watchdog_timeo = AT_TX_WATCHDOG; + /* MTU range: 42 - 8170 */ + netdev->min_mtu = ETH_ZLEN - (ETH_HLEN + VLAN_HLEN); + netdev->max_mtu = MAX_JUMBO_FRAME_SIZE - + (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); atl1e_set_ethtool_ops(netdev); netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | |