aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel
diff options
context:
space:
mode:
authorBen Greear <greearb@candelatech.com>2012-03-06 09:41:53 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-03-17 01:02:20 -0700
commit6b8f092284672c6504ed215052bfee6b7171411e (patch)
treeb7013b75a77dfd1670986960bb2e019d0ed7a40f /drivers/net/ethernet/intel
parent126a3fd251b244eabd9ab9dcb32b8b6f999c1b91 (diff)
igb: 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: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index e96cef89f12..99364edf031 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1964,6 +1964,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
NETIF_F_IPV6_CSUM |
NETIF_F_SG;
+ netdev->priv_flags |= IFF_SUPP_NOFCS;
+
if (pci_using_dac) {
netdev->features |= NETIF_F_HIGHDMA;
netdev->vlan_features |= NETIF_F_HIGHDMA;
@@ -4293,6 +4295,8 @@ static void igb_tx_map(struct igb_ring *tx_ring,
/* write last descriptor with RS and EOP bits */
cmd_type |= cpu_to_le32(size) | cpu_to_le32(IGB_TXD_DCMD);
+ if (unlikely(skb->no_fcs))
+ cmd_type &= ~(cpu_to_le32(E1000_ADVTXD_DCMD_IFCS));
tx_desc->read.cmd_type_len = cmd_type;
/* set the timestamp */