mlxsw: Extract classification of router-related events to a helper

Several more events are coming in the following patches, and extending the
if statement is getting awkward. Instead, convert it to a switch.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2022-03-02 18:31:26 +02:00 • committed by David S. Miller
commit c1de13f91e