netdev - [RFC net-next 7/8] mlxsw: use tc_can_offload

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Date:   Tue, 23 Jan 2018 13:33:39 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     jiri@...nulli.us
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        dsahern@...il.com, Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [RFC net-next 7/8] mlxsw: use tc_can_offload_cls()

Make use of tc_can_offload_cls() to report error in case
ethtool tc offload flag is not set or chain unsupported.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 833cd0a96fd9..1e4aac8471d5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1738,7 +1738,7 @@ static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
 					  struct tc_cls_matchall_offload *f,
 					  bool ingress)
 {
-	if (f->common.chain_index)
+	if (!tc_can_offload_cls(mlxsw_sp_port->dev, &f->common))
 		return -EOPNOTSUPP;
 
 	switch (f->command) {
@@ -1780,9 +1780,6 @@ static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type,
 
 	switch (type) {
 	case TC_SETUP_CLSMATCHALL:
-		if (!tc_can_offload(mlxsw_sp_port->dev))
-			return -EOPNOTSUPP;
-
 		return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data,
 						      ingress);
 	case TC_SETUP_CLSFLOWER:
-- 
2.15.1