[PATCH net-next 13/13] net: sched: add flags to Qdisc class ops struct
From: Vlad Buslov <hidden>
Date: 2018-09-06 12:33:29
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> Acked-by: Jiri Pirko <redacted> --- 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 2b87b47c49f6..bc4082961726 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h@@ -174,6 +174,7 @@ 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,
@@ -205,6 +206,13 @@ 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;
--
2.7.5