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Message-Id: <20190204123301.4223-15-vladbu@mellanox.com> Date: Mon, 4 Feb 2019 14:32:59 +0200 From: Vlad Buslov <vladbu@...lanox.com> To: netdev@...r.kernel.org Cc: jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net, ast@...nel.org, daniel@...earbox.net, Vlad Buslov <vladbu@...lanox.com> Subject: [PATCH net-next v3 14/16] net: sched: add flags to Qdisc class ops struct Extend Qdisc_class_ops with flags. Create enum to hold possible class ops flag values. Add first class ops flags value QDISC_CLASS_OPS_DOIT_UNLOCKED to indicate that class ops functions can be called without taking rtnl lock. Signed-off-by: Vlad Buslov <vladbu@...lanox.com> --- include/net/sch_generic.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 365801c2a4f5..e50b729f8691 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -179,6 +179,7 @@ static inline int qdisc_avail_bulklimit(const struct netdev_queue *txq) } struct Qdisc_class_ops { + unsigned int flags; /* Child qdisc manipulation */ struct netdev_queue * (*select_queue)(struct Qdisc *, struct tcmsg *); int (*graft)(struct Qdisc *, unsigned long cl, @@ -210,6 +211,13 @@ struct Qdisc_class_ops { struct gnet_dump *); }; +/* Qdisc_class_ops flag values */ + +/* Implements API that doesn't require rtnl lock */ +enum qdisc_class_ops_flags { + QDISC_CLASS_OPS_DOIT_UNLOCKED = 1, +}; + struct Qdisc_ops { struct Qdisc_ops *next; const struct Qdisc_class_ops *cl_ops; -- 2.13.6
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