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-rw-r--r--include/net/pkt_cls.h2
-rw-r--r--net/sched/sch_red.c17
2 files changed, 19 insertions, 0 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index fa31d034231d..01f2802b7aee 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -834,6 +834,7 @@ enum tc_red_command {
TC_RED_DESTROY,
TC_RED_STATS,
TC_RED_XSTATS,
+ TC_RED_GRAFT,
};
struct tc_red_qopt_offload_params {
@@ -853,6 +854,7 @@ struct tc_red_qopt_offload {
struct tc_red_qopt_offload_params set;
struct tc_qopt_offload_stats stats;
struct red_stats *xstats;
+ u32 child_handle;
};
};
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index a1d08bdd9357..4b5ca172ee2d 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -367,6 +367,21 @@ static int red_dump_class(struct Qdisc *sch, unsigned long cl,
return 0;
}
+static void red_graft_offload(struct Qdisc *sch,
+ struct Qdisc *new, struct Qdisc *old,
+ struct netlink_ext_ack *extack)
+{
+ struct tc_red_qopt_offload graft_offload = {
+ .handle = sch->handle,
+ .parent = sch->parent,
+ .child_handle = new->handle,
+ .command = TC_RED_GRAFT,
+ };
+
+ qdisc_offload_graft_helper(qdisc_dev(sch), sch, new, old,
+ TC_SETUP_QDISC_RED, &graft_offload, extack);
+}
+
static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
struct Qdisc **old, struct netlink_ext_ack *extack)
{
@@ -376,6 +391,8 @@ static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
new = &noop_qdisc;
*old = qdisc_replace(sch, new, &q->qdisc);
+
+ red_graft_offload(sch, new, *old, extack);
return 0;
}