On Sat, Apr 10, 2021 at 03:34:47PM +0200, Ansuel Smith wrote: > Allow for multiple CPU ports in a DSA switch tree. By default the first > CPU port is assigned mimic the original assignement logic. A DSA driver > can define a function to declare a preferred CPU port based on the > provided port. If the function doesn't have a preferred port the CPU > port is assigned using a round-robin way starting from the last assigned > CPU port. > Examples: > There are two CPU port but no port_get_preferred_cpu is provided: > - The old logic is used. Every port is assigned to the first cpu port. > There are two CPU port but the port_get_preferred_cpu return -1: > - The port is assigned using a round-robin way since no preference is > provided. > There are two CPU port and the port_get_preferred_cpu define only one > port and the rest with -1: (wan port with CPU1 and the rest no > preference) > lan1 <-> eth0 > lan2 <-> eth1 > lan3 <-> eth0 > lan4 <-> eth1 > wan <-> eth1 > There are two CPU port and the port_get_preferred assign a preference > for every port: (wan port with CPU1 everything else CPU0) > lan1 <-> eth0 > lan2 <-> eth0 > lan3 <-> eth0 > lan4 <-> eth0 > wan <-> eth1
So, drivers will read the name of every port and decide which CPU port does it use? > > Signed-off-by: Marek Beh�n <marek.be...@nic.cz> > Signed-off-by: Ansuel Smith <ansuels...@gmail.com>
