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Commit dfcd2a2b authored by Vlad Buslov's avatar Vlad Buslov Committed by David S. Miller
Browse files

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: default avatarVlad Buslov <vladbu@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 12db03b6

include/net/sch_generic.h

+8 −0
Original line number Diff line number Diff line
@@ -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;