diff options
Diffstat (limited to 'drivers/net/ethernet/atheros/atl1c/atl1c_main.c')
| -rw-r--r-- | drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index d2f89f026d70..e8e9c104cfeb 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -501,11 +501,16 @@ static int atl1c_set_features(struct net_device *netdev, static int atl1c_change_mtu(struct net_device *netdev, int new_mtu) { struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; 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)) { + /* Fast Ethernet controller doesn't support jumbo packet */ + if (((hw->nic_type == athr_l2c || + hw->nic_type == athr_l2c_b || + hw->nic_type == athr_l2c_b2) && new_mtu > ETH_DATA_LEN) || + max_frame < ETH_ZLEN + ETH_FCS_LEN || + max_frame > MAX_JUMBO_FRAME_SIZE) { if (netif_msg_link(adapter)) dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); return -EINVAL; @@ -1049,7 +1054,7 @@ static void atl1c_configure_tx(struct atl1c_adapter *adapter) u16 tx_offload_thresh; u32 txq_ctrl_data; - tx_offload_thresh = MAX_TX_OFFLOAD_THRESH; + tx_offload_thresh = MAX_TSO_FRAME_SIZE; AT_WRITE_REG(hw, REG_TX_TSO_OFFLOAD_THRESH, (tx_offload_thresh >> 3) & TX_TSO_OFFLOAD_THRESH_MASK); max_pay_load = pcie_get_readrq(adapter->pdev) >> 8; |