From: Emil Tantilov <emil.s.tantilov@intel.com>
Date: Tue, 25 Apr 2017 18:31:06 +0000 (-0700)
Subject: ixgbe: enable L3/L4 filtering for Tx switched packets
X-Git-Tag: v4.1.12-104.0.20170618_1145~60
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=379eb9189dc9103b179b065a2b788a1c2c73aa69;p=users%2Fjedix%2Flinux-maple.git

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 c6a2932a59ec..c8a9f41a80a7 100644
--- 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;