net: sched: red: offload a graft notification

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Drivers offloading Qdiscs should have reasonable certainty
the offloaded behaviour matches the SW path.  This is impossible
if the driver does not know about all Qdiscs or when Qdiscs move
and are reused.  Send a graft notification from RED.  The drivers
are expected to simply stop offloading the Qdisc, if a non-standard
child is ever grafted onto it.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jakub Kicinski 2018-11-12 14:58:13 -08:00 • committed by David S. Miller

parent aee7539c58

commit bf2a752bea

2 changed files with 19 additions and 0 deletions

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2

include/net/pkt_cls.h

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17

net/sched/sch_red.c

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