net: sched: introduce chain_head_change callback

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Add a callback that is to be called whenever head of the chain changes.
Also provide a callback for the default case when the caller gets a
block using non-extended getter.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jiri Pirko 2017-11-03 11:46:24 +01:00 • committed by David S. Miller

parent aa5fbf0754

commit c7eb7d7230

4 changed files with 62 additions and 47 deletions

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14

include/net/pkt_cls.h

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5

include/net/sch_generic.h

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