netdev - [RFC net-next 4/8] cxgb4: use tc_can_offload

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Date:   Tue, 23 Jan 2018 13:33:36 -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 4/8] cxgb4: 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/chelsio/cxgb4/cxgb4_main.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 4716387830ef..bee357e1c147 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2905,7 +2905,7 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
 static int cxgb_setup_tc_flower(struct net_device *dev,
 				struct tc_cls_flower_offload *cls_flower)
 {
-	if (cls_flower->common.chain_index)
+	if (!tc_can_offload_cls(dev, &cls_flower->common))
 		return -EOPNOTSUPP;
 
 	switch (cls_flower->command) {
@@ -2923,7 +2923,7 @@ static int cxgb_setup_tc_flower(struct net_device *dev,
 static int cxgb_setup_tc_cls_u32(struct net_device *dev,
 				 struct tc_cls_u32_offload *cls_u32)
 {
-	if (cls_u32->common.chain_index)
+	if (!tc_can_offload_cls(dev, &cls_u32->common))
 		return -EOPNOTSUPP;
 
 	switch (cls_u32->command) {
@@ -2951,9 +2951,6 @@ static int cxgb_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
 		return -EINVAL;
 	}
 
-	if (!tc_can_offload(dev))
-		return -EOPNOTSUPP;
-
 	switch (type) {
 	case TC_SETUP_CLSU32:
 		return cxgb_setup_tc_cls_u32(dev, type_data);
-- 
2.15.1