ixgbevf: add check for CHECKSUM_PARTIAL when doing TSO

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 <emil.s.tantilov@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 79023ba29fdc9c41e5ec23351602031b0061660c..57e0cd89b3dc6872f2a8991e9f39f5ba9e39f8a6 100644 (file)
--- 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;