On Sat, 2022-12-17 at 21:39 +0100, Jan Hoffmann wrote:
> As learning for the CPU port is now disabled globally, the bit in the
> TX header doesn't have any effect anymore. Remove it to make the header
> consistent with the global configuration.
>
> Originally, this change was intended to be applied before commit
> eb456aedfe24 ("realtek: use assisted learning on CPU port"), which is
> why the commit message incorrectly mentions that the TX header already
> disables learning.
>
> The reason for disabling learning on the CPU port in the first place is
> that it doesn't work correctly when packets are trapped to the CPU and
> then forwarded by the CPU to other ports. In that case, the switch would
> incorrectly learn the CPU port as source. An example that triggered this
> issue are Multicast Listener Reports and IGMP membership reports.
>
> Signed-off-by: Jan Hoffmann <[email protected]>
Thanks! Merged to master.
Best,
Sander
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