Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f43f313e authored by Ben Greear's avatar Ben Greear Committed by Jeff Kirsher
Browse files

ixgbe: Support sending custom Ethernet FCS. 



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

Signed-off-by: default avatarBen Greear <greearb@candelatech.com>
Tested-by: default avatarJeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 89eaefb6

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+3 −0
Original line number Diff line number Diff line
@@ -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 |