diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igbvf/netdev.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/netdev.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 12bb877df860..839ba110f7fb 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -1965,11 +1965,15 @@ static int igbvf_tso(struct igbvf_ring *tx_ring, /* initialize outer IP header fields */ if (ip.v4->version == 4) { + unsigned char *csum_start = skb_checksum_start(skb); + unsigned char *trans_start = ip.hdr + (ip.v4->ihl * 4); + /* IP header will have to cancel out any data that * is not a part of the outer IP header */ - ip.v4->check = csum_fold(csum_add(lco_csum(skb), - csum_unfold(l4.tcp->check))); + ip.v4->check = csum_fold(csum_partial(trans_start, + csum_start - trans_start, + 0)); type_tucmd |= E1000_ADVTXD_TUCMD_IPV4; ip.v4->tot_len = 0; @@ -2356,16 +2360,6 @@ static int igbvf_change_mtu(struct net_device *netdev, int new_mtu) struct igbvf_adapter *adapter = netdev_priv(netdev); int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; - if (new_mtu < 68 || new_mtu > INT_MAX - ETH_HLEN - ETH_FCS_LEN || - max_frame > MAX_JUMBO_FRAME_SIZE) - return -EINVAL; - -#define MAX_STD_JUMBO_FRAME_SIZE 9234 - if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) { - dev_err(&adapter->pdev->dev, "MTU > 9216 not supported.\n"); - return -EINVAL; - } - while (test_and_set_bit(__IGBVF_RESETTING, &adapter->state)) usleep_range(1000, 2000); /* igbvf_down has a dependency on max_frame_size */ @@ -2786,6 +2780,10 @@ static int igbvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX; + /* MTU range: 68 - 9216 */ + netdev->min_mtu = ETH_MIN_MTU; + netdev->max_mtu = MAX_STD_JUMBO_FRAME_SIZE; + /*reset the controller to put the device in a known good state */ err = hw->mac.ops.reset_hw(hw); if (err) { |