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net: switchdev: introduce helper for checking dynamically learned FDB entries

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It is a bit difficult to understand what DSA checks when it tries to
avoid installing dynamically learned addresses on foreign interfaces as
local host addresses, so create a generic switchdev helper that can be
reused and is generally more readable.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean
2021-07-19 16:51:38 +03:00
committed by David S. Miller
parent 7d901a1e87
commit c6451cda10
2 changed files with 7 additions and 1 deletions
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2
net/dsa/slave.c
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@@ -2438,7 +2438,7 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused,
* On the other hand, FDB entries for local termination
* should always be installed.
*/
if (!fdb_info->added_by_user && !fdb_info->is_local &&
if (switchdev_fdb_is_dynamically_learned(fdb_info) &&
!dp->ds->assisted_learning_on_cpu_port)
return NOTIFY_DONE;