[RFC net-next 3/8] nfp: flower: use tc_can_offload_cls()

[Jakub Kicinski]

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.kicin...@netronome.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