[PATCH net] i40e: flower: check if TC offload is enabled on a netdev

[Jakub Kicinski]

Since TC block changes drivers are required to check if
the TC hw offload flag is set on the interface themselves.

Fixes: 2f4b411a3d67 ("i40e: Enable cloud filters via tc-flower")
Fixes: 44ae12a768b7 ("net: sched: move the can_offload check from binding phase 
to rule insertion phase")
Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
Reviewed-by: Simon Horman <simon.hor...@netronome.com>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c 
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 42dcaefc4c19..af792112a2d3 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7505,6 +7505,8 @@ static int i40e_setup_tc_cls_flower(struct 
i40e_netdev_priv *np,
 {
        struct i40e_vsi *vsi = np->vsi;
 
+       if (!tc_can_offload(vsi->netdev))
+               return -EOPNOTSUPP;
        if (cls_flower->common.chain_index)
                return -EOPNOTSUPP;
 
-- 
2.15.1