ixgbe: enable L3/L4 filtering for Tx switched packets

This will ensure that VF-to-VF traffic on the same PF
is filtered to allow RSS operation.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26242766
(cherry picked from commit e6b41c888154b5c529ba4d65b6fc55f2a7ae4d75)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Ethan Zhao <ethan.zhao@oracle.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index c6a2932a59ec01301eaa53d1fad508308acdf7dc..c8a9f41a80a76ee996bb599f2bd2be1a6897fcf4 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3593,6 +3593,9 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
                                mrqc = IXGBE_MRQC_VMDQRSS32EN;
                        else
                                mrqc = IXGBE_MRQC_VMDQRSS64EN;
+
+                       /* Enable L3/L4 for Tx Switched packets */
+                       mrqc |= IXGBE_MRQC_L3L4TXSWEN;
                } else {
                        if (tcs > 4)
                                mrqc = IXGBE_MRQC_RTRSS8TCEN;