bridge: mcast: Factor out a helper for PG entry size calculation

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Currently, netlink notifications are sent for individual port group
entries and not for the entire MDB entry itself.

Subsequent patches are going to add MDB get support which will require
the bridge driver to reply with an entire MDB entry.

Therefore, as a preparation, factor out an helper to calculate the size
of an individual port group entry. When determining the size of the
reply this helper will be invoked for each port group entry in the MDB
entry.

No functional changes intended.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ido Schimmel 2023-10-25 15:30:10 +03:00 • committed by David S. Miller

parent 1b6d993509

commit 62ef9cba98

1 changed files with 13 additions and 7 deletions

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net/bridge/br_mdb.c

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