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net: bridge: Mark FDB entries that were added by user as such
Externally learned entries can be added by a user or by a switch driver
that is notifying the bridge driver about entries that were learned in
hardware.
In the first case, the entries are not marked with the 'added_by_user'
flag, which causes switch drivers to ignore them and not offload them.
The 'added_by_user' flag can be set on externally learned FDB entries
based on the 'swdev_notify' parameter in br_fdb_external_learn_add(),
which effectively means if the created / updated FDB entry was added by
a user or not.
Fixes: 816a3bed95
("switchdev: Add fdb.added_by_user to switchdev notifications")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Alexander Petrovskiy <alexpe@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Cc: Roopa Prabhu <roopa@cumulusnetworks.com>
Cc: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Cc: bridge@lists.linux-foundation.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
a11dcd6497
commit
710ae72877
@ -1128,6 +1128,8 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
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err = -ENOMEM;
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goto err_unlock;
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}
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if (swdev_notify)
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fdb->added_by_user = 1;
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fdb->added_by_external_learn = 1;
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fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
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} else {
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@ -1147,6 +1149,9 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
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modified = true;
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}
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if (swdev_notify)
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fdb->added_by_user = 1;
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if (modified)
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fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
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}
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