From: Shannon Nelson <shannon.nelson@intel.com>
Date: Mon, 4 Jan 2016 18:33:04 +0000 (-0800)
Subject: i40e: do TSO only if CHECKSUM_PARTIAL is set
X-Git-Tag: v4.1.12-92~189^2~125
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ae2614cac449c3621911feb0621825ca1c3803d1;p=users%2Fjedix%2Flinux-maple.git

i40e: do TSO only if CHECKSUM_PARTIAL is set

Orabug: 22342532

Don't bother trying to set up a TSO if the skb->ip_summed is not
set to CHECKSUM_PARTIAL.

Change-ID: I6495b3568e404907a2965b48cf3e2effa7c9ab55
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit e9f6563d7bb3914711c6601cdf5d9f9b6e1b461f)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
---

diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 79cce1f70ace5..490cfd7223eee 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2220,6 +2220,9 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
 	u32 l4len;
 	int err;
 
+	if (skb->ip_summed != CHECKSUM_PARTIAL)
+		return 0;
+
 	if (!skb_is_gso(skb))
 		return 0;
 
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index ab7679eb73fa8..3d8f390e594fc 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -1470,6 +1470,9 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
 	u32 l4len;
 	int err;
 
+	if (skb->ip_summed != CHECKSUM_PARTIAL)
+		return 0;
+
 	if (!skb_is_gso(skb))
 		return 0;