net: flow: Add l3mdev flow update

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Add l3mdev hook to set FLOWI_FLAG_SKIP_NH_OIF flag and update oif/iif
in flow struct if its oif or iif points to a device enslaved to an L3
Master device. Only 1 needs to be converted to match the l3mdev FIB
rule. This moves the flow adjustment for l3mdev to a single point
catching all lookups. It is redundant for existing hooks (those are
removed in later patches) but is needed for missed lookups such as
PMTU updates.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David Ahern 2016-09-10 12:09:52 -07:00 • committed by David S. Miller

parent cf9932a941

commit 9ee0034b8f

4 changed files with 47 additions and 0 deletions

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net/l3mdev/l3mdev.c

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