net: sched: red: inform offloads about harddrop setting

To mirror software behaviour on offload more precisely inform
the drivers about the state of the harddrop flag.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/pkt_cls.h

@@ -807,6 +807,7 @@ struct tc_red_qopt_offload_params {
 	u32 max;
 	u32 probability;
 	bool is_ecn;
+	bool is_harddrop;
 	struct gnet_stats_queue *qstats;
 };
 

net/sched/sch_red.c

@@ -167,6 +167,7 @@ static int red_offload(struct Qdisc *sch, bool enable)
 		opt.set.max = q->parms.qth_max >> q->parms.Wlog;
 		opt.set.probability = q->parms.max_P;
 		opt.set.is_ecn = red_use_ecn(q);
+		opt.set.is_harddrop = red_use_harddrop(q);
 		opt.set.qstats = &sch->qstats;
 	} else {
 		opt.command = TC_RED_DESTROY;