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ixgbe: Support sending custom Ethernet FCS.

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Including bad FCS, used generate frames with bad FCS
to test other system's handling of RX of bad packets.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Ben Greear 2012-03-06 09:42:04 +00:00 committed by Jeff Kirsher
parent 89eaefb61d
commit f43f313eb7
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -6768,6 +6768,8 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring,
tx_buffer_info->dma = dma;
tx_desc->read.buffer_addr = cpu_to_le64(dma + offset);
if (unlikely(skb->no_fcs))
cmd_type &= ~(cpu_to_le32(IXGBE_ADVTXD_DCMD_IFCS));
tx_desc->read.cmd_type_len = cmd_type | cpu_to_le32(size);
tx_desc->read.olinfo_status = olinfo_status;
@ -7778,6 +7780,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
netdev->vlan_features |= NETIF_F_SG;
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->priv_flags |= IFF_SUPP_NOFCS;
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
adapter->flags &= ~(IXGBE_FLAG_RSS_ENABLED |