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net: sched: mq: add simple offload notification

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mq offload is trivial, we just need to let the device know
that the root qdisc is mq.  Alternative approach would be
to export qdisc_lookup() and make drivers check the root
type themselves, but notification via ndo_setup_tc is more
in line with other qdiscs.

Note that mq doesn't hold any stats on it's own, it just
adds up stats of its children.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2018-05-25 21:53:35 -07:00
committed by David S. Miller
parent 2ef3c253f1
commit f971b13230
3 changed files with 30 additions and 0 deletions
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include/linux/netdevice.h
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@@ -791,6 +791,7 @@ enum tc_setup_type {
TC_SETUP_QDISC_CBS,
TC_SETUP_QDISC_RED,
TC_SETUP_QDISC_PRIO,
TC_SETUP_QDISC_MQ,
};
/* These structures hold the attributes of bpf state that are being passed