selftests: mlxsw: Add egress VID classification test
After routing, the device always consults a table that determines the packet's egress VID based on {egress RIF, egress local port}. In the unified bridge model, it is up to software to maintain this table via REIV register. The table needs to be updated in the following flows: 1. When a RIF is set on a FID, for each FID's {Port, VID} mapping, a new {RIF, Port}->VID mapping should be created. 2. When a {Port, VID} is mapped to a FID and the FID already has a RIF, a new {RIF, Port}->VID mapping should be created. Add a test to verify that packets get the correct VID after routing, regardless of the order of the configuration. # ./egress_vid_classification.sh TEST: Add RIF for existing {port, VID}->FID mapping [ OK ] TEST: Add {port, VID}->FID mapping for FID with a RIF [ OK ] Signed-off-by: Amit Cohen <amcohen@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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