From: Or Gerlitz <ogerl...@mellanox.com>

We can report checksum unnecessary also when the L3 checksum
flag on the cqe is set and there's no L4 header.

Signed-off-by: Or Gerlitz <ogerl...@mellanox.com>
Reviewed-by: Tariq Toukan <tar...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 424bc89184c6..5a43cbf9103f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -805,7 +805,8 @@ static inline void mlx5e_handle_csum(struct net_device 
*netdev,
 
 csum_unnecessary:
        if (likely((cqe->hds_ip_ext & CQE_L3_OK) &&
-                  (cqe->hds_ip_ext & CQE_L4_OK))) {
+                  ((cqe->hds_ip_ext & CQE_L4_OK) ||
+                   (get_cqe_l4_hdr_type(cqe) == CQE_L4_HDR_TYPE_NONE)))) {
                skb->ip_summed = CHECKSUM_UNNECESSARY;
                if (cqe_is_tunneled(cqe)) {
                        skb->csum_level = 1;
-- 
2.17.1

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