From mboxrd@z Thu Jan 1 00:00:00 1970 From: greearb@candelatech.com Subject: [PATCH 1/2] ixgbe: Support sending custom Ethernet FCS. Date: Mon, 5 Mar 2012 17:18:23 -0800 Message-ID: <1330996704-13076-1-git-send-email-greearb@candelatech.com> Cc: jeffrey.t.kirsher@intel.com, Ben Greear To: netdev@vger.kernel.org Return-path: Received: from mail.candelatech.com ([208.74.158.172]:40977 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757930Ab2CFBSi (ORCPT ); Mon, 5 Mar 2012 20:18:38 -0500 Sender: netdev-owner@vger.kernel.org List-ID: From: Ben Greear 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 --- :100644 100644 23a4665... b6e51f9... M drivers/net/ethernet/intel/ixgbe/ixgbe_main.c drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 23a4665..b6e51f9 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6754,6 +6754,8 @@ 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; @@ -7762,6 +7764,7 @@ 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 | -- 1.7.3.4