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net: sch: prio: Add offload ability for grafting a child

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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>
This commit is contained in:
Nogah Frankel
2018-02-28 10:45:06 +01:00
committed by David S. Miller
parent 98ceb7b6d6
commit b9c7a7acc7
2 changed files with 40 additions and 0 deletions
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8
include/net/pkt_cls.h
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@@ -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