net: sch: prio: Add offload ability for grafting a child
Offload sch_prio graft command for capable drivers.
Warn in case of a failure, unless the graft was done as part of a destroy
operation (the new qdisc is a noop) or if all the qdiscs (the parent, the
old child, and the new one) are not offloaded.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 8740625..e828d31 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -806,6 +806,7 @@ enum tc_prio_command {
TC_PRIO_REPLACE,
TC_PRIO_DESTROY,
TC_PRIO_STATS,
+ TC_PRIO_GRAFT,
};
struct tc_prio_qopt_offload_params {
@@ -818,6 +819,11 @@ struct tc_prio_qopt_offload_params {
struct gnet_stats_queue *qstats;
};
+struct tc_prio_qopt_offload_graft_params {
+ u8 band;
+ u32 child_handle;
+};
+
struct tc_prio_qopt_offload {
enum tc_prio_command command;
u32 handle;
@@ -825,6 +831,8 @@ struct tc_prio_qopt_offload {
union {
struct tc_prio_qopt_offload_params replace_params;
struct tc_qopt_offload_stats stats;
+ struct tc_prio_qopt_offload_graft_params graft_params;
};
};
+
#endif