[RFC net-next 4/8] cxgb4: 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/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