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From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Thu, 25 Jan 2018 14:00:47 -0800
Subject: mlx5: use tc_cls_can_offload_and_chain0()
Patch-mainline: v4.16-rc1
Git-commit: 9ab88e83fd1e07f18990dc12b8960638a64c02ef
References: bsc#1103990 FATE#326006

Make use of tc_cls_can_offload_and_chain0() to set extack msg in case
ethtool tc offload flag is not set or chain unsupported.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c |    5 +----
 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c  |    5 +----
 2 files changed, 2 insertions(+), 8 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2944,9 +2944,6 @@ out:
 static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv,
 				     struct tc_cls_flower_offload *cls_flower)
 {
-	if (cls_flower->common.chain_index)
-		return -EOPNOTSUPP;
-
 	switch (cls_flower->command) {
 	case TC_CLSFLOWER_REPLACE:
 		return mlx5e_configure_flower(priv, cls_flower);
@@ -2964,7 +2961,7 @@ int mlx5e_setup_tc_block_cb(enum tc_setu
 {
 	struct mlx5e_priv *priv = cb_priv;
 
-	if (!tc_can_offload(priv->netdev))
+	if (!tc_cls_can_offload_and_chain0(priv->netdev, type_data))
 		return -EOPNOTSUPP;
 
 	switch (type) {
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -719,9 +719,6 @@ static int
 mlx5e_rep_setup_tc_cls_flower(struct mlx5e_priv *priv,
 			      struct tc_cls_flower_offload *cls_flower)
 {
-	if (cls_flower->common.chain_index)
-		return -EOPNOTSUPP;
-
 	switch (cls_flower->command) {
 	case TC_CLSFLOWER_REPLACE:
 		return mlx5e_configure_flower(priv, cls_flower);
@@ -739,7 +736,7 @@ static int mlx5e_rep_setup_tc_cb(enum tc
 {
 	struct mlx5e_priv *priv = cb_priv;
 
-	if (!tc_can_offload(priv->netdev))
+	if (!tc_cls_can_offload_and_chain0(priv->netdev, type_data))
 		return -EOPNOTSUPP;
 
 	switch (type) {