netdev - [RFC net-next 3/8] nfp: flower: use tc_can_offload

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Message-Id: <20180123213340.19235-4-jakub.kicinski@netronome.com>
Date:   Tue, 23 Jan 2018 13:33:35 -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 3/8] nfp: flower: 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/netronome/nfp/flower/offload.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index 837134a9137c..74851d02c8b2 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -483,8 +483,9 @@ static int
 nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
 			struct tc_cls_flower_offload *flower, bool egress)
 {
-	if (!eth_proto_is_802_3(flower->common.protocol) ||
-	    flower->common.chain_index)
+	if (!tc_can_offload_cls(netdev, &flower->common))
+		return -EOPNOTSUPP;
+	if (!eth_proto_is_802_3(flower->common.protocol))
 		return -EOPNOTSUPP;
 
 	switch (flower->command) {
@@ -504,9 +505,6 @@ int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
 {
 	struct nfp_repr *repr = cb_priv;
 
-	if (!tc_can_offload(repr->netdev))
-		return -EOPNOTSUPP;
-
 	switch (type) {
 	case TC_SETUP_CLSFLOWER:
 		return nfp_flower_repr_offload(repr->app, repr->netdev,
@@ -521,9 +519,6 @@ static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type,
 {
 	struct nfp_repr *repr = cb_priv;
 
-	if (!tc_can_offload(repr->netdev))
-		return -EOPNOTSUPP;
-
 	switch (type) {
 	case TC_SETUP_CLSFLOWER:
 		return nfp_flower_repr_offload(repr->app, repr->netdev,
-- 
2.15.1