From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Brown Subject: [net-next 6/6] ixgbevf: add check for CHECKSUM_PARTIAL when doing TSO Date: Thu, 27 Feb 2014 20:32:45 -0800 Message-ID: <1393561965-3688-7-git-send-email-aaron.f.brown@intel.com> References: <1393561965-3688-1-git-send-email-aaron.f.brown@intel.com> Cc: Emil Tantilov , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Alexander Duyck , Aaron Brown To: davem@davemloft.net Return-path: Received: from mga02.intel.com ([134.134.136.20]:13228 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907AbaB1EgL (ORCPT ); Thu, 27 Feb 2014 23:36:11 -0500 In-Reply-To: <1393561965-3688-1-git-send-email-aaron.f.brown@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Emil Tantilov This patch adds check for CHECKSUM_PARTIAL to avoid the skb_is_gso check in ixgbevf_tso(). It should reduce overhead for workloads that are not using TSO or checksum offloads. It is the same as in ixgbe. Signed-off-by: Emil Tantilov Signed-off-by: Alexander Duyck Tested-by: Phil Schmitt Signed-off-by: Aaron Brown --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 79023ba..57e0cd8 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -2777,6 +2777,9 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring, u32 vlan_macip_lens, type_tucmd; u32 mss_l4len_idx, l4len; + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; + if (!skb_is_gso(skb)) return 0; -- 1.8.5.GIT