netdev - [PATCH net-next 2/8] cxgb4: use tc_cls_can_offload_and

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Date:   Wed, 24 Jan 2018 16:17:47 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net, jiri@...nulli.us
Cc:     dsahern@...il.com, netdev@...r.kernel.org,
        oss-drivers@...ronome.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Ganesh Goudar <ganeshgr@...lsio.com>
Subject: [PATCH net-next 2/8] cxgb4: use tc_cls_can_offload_and_chain0()

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@...ronome.com>
Reviewed-by: Simon Horman <simon.horman@...ronome.com>
---
CC: Ganesh Goudar <ganeshgr@...lsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index f0fd2eba30c2..1e3cd8abc56d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2928,9 +2928,6 @@ 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)
-		return -EOPNOTSUPP;
-
 	switch (cls_flower->command) {
 	case TC_CLSFLOWER_REPLACE:
 		return cxgb4_tc_flower_replace(dev, cls_flower);
@@ -2946,9 +2943,6 @@ 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)
-		return -EOPNOTSUPP;
-
 	switch (cls_u32->command) {
 	case TC_CLSU32_NEW_KNODE:
 	case TC_CLSU32_REPLACE_KNODE:
@@ -2974,7 +2968,7 @@ static int cxgb_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
 		return -EINVAL;
 	}
 
-	if (!tc_can_offload(dev))
+	if (!tc_cls_can_offload_and_chain0(dev, type_data))
 		return -EOPNOTSUPP;
 
 	switch (type) {
-- 
2.15.1