sched: cls_flower: expose priority to offloading netdevice

The driver that offloads flower rules needs to know with which priority
user inserted the rules. So add this information into offload struct.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/pkt_cls.h

@@ -481,6 +481,7 @@ enum tc_fl_command {
 
 struct tc_cls_flower_offload {
 	enum tc_fl_command command;
+	u32 prio;
 	unsigned long cookie;
 	struct flow_dissector *dissector;
 	struct fl_flow_key *mask;