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net: sched: use rcu for action cookie update

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Implement functions to atomically update and free action cookie
using rcu mechanism.

Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Buslov
2018-07-05 17:24:23 +03:00
committed by David S. Miller
parent b233504033
commit eec94fdb04
3 changed files with 32 additions and 15 deletions
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include/net/pkt_cls.h
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@@ -781,6 +781,7 @@ struct tc_mqprio_qopt_offload {
struct tc_cookie {
u8 *data;
u32 len;
struct rcu_head rcu;
};
struct tc_qopt_offload_stats {