Nikolay Aleksandrov 45a687879b net: bridge: fix flags interpretation for extern learn fdb entries ... Ignore fdb flags when adding port extern learn entries and always set BR_FDB_LOCAL flag when adding bridge extern learn entries. This is closest to the behaviour we had before and avoids breaking any use cases which were allowed. This patch fixes iproute2 calls which assume NUD_PERMANENT and were allowed before, example: $ bridge fdb add 00:11:22:33:44:55 dev swp1 extern_learn Extern learn entries are allowed to roam, but do not expire, so static or dynamic flags make no sense for them. Also add a comment for future reference. Fixes: eb100e0e24 ("net: bridge: allow to add externally learned entries from user-space") Fixes: 0541a62932 ("net: bridge: validate the NUD_PERMANENT bit when adding an extern_learn FDB entry") Reviewed-by: Ido Schimmel <idosch@nvidia.com> Tested-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/20210810110010.43859-1-razor@blackwall.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>		2021-08-10 11:29:39 -07:00
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linux	net: bridge: fix flags interpretation for extern learn fdb entries	2021-08-10 11:29:39 -07:00
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