net: bridge: mcast: add delete due to fast-leave mdb flag

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In user-space there's no way to distinguish why an mdb entry was deleted
and that is a problem for daemons which would like to keep the mdb in
sync with remote ends (e.g. mlag) but would also like to converge faster.
In almost all cases we'd like to age-out the remote entry for performance
and convergence reasons except when fast-leave is enabled. In that case we
want explicit immediate remote delete, thus add mdb flag which is set only
when the entry is being deleted due to fast-leave.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Nikolay Aleksandrov 2019-07-30 15:20:41 +03:00 • committed by David S. Miller

parent 0eba31ef5c

commit 3247b27204

4 changed files with 5 additions and 1 deletions

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include/uapi/linux/if_bridge.h

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