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: NJiri Pirko <jiri@mellanox.com>
Acked-by: NIdo Schimmel <idosch@mellanox.com>
Signed-off-by: NDavid 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;

net/sched/cls_flower.c

@@ -229,6 +229,7 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f)
 		return;
 
 	offload.command = TC_CLSFLOWER_DESTROY;
+	offload.prio = tp->prio;
 	offload.cookie = (unsigned long)f;
 
 	tc->type = TC_SETUP_CLSFLOWER;
@@ -260,6 +261,7 @@ static int fl_hw_replace_filter(struct tcf_proto *tp,
 	}
 
 	offload.command = TC_CLSFLOWER_REPLACE;
+	offload.prio = tp->prio;
 	offload.cookie = (unsigned long)f;
 	offload.dissector = dissector;
 	offload.mask = mask;
@@ -287,6 +289,7 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
 		return;
 
 	offload.command = TC_CLSFLOWER_STATS;
+	offload.prio = tp->prio;
 	offload.cookie = (unsigned long)f;
 	offload.exts = &f->exts;