[PATCH 0/6] realtek: fix management of mdb entries

Bjørn Mork bjorn at mork.no
Wed Mar 22 04:26:40 PDT 2023


Vladimir Oltean <olteanv at gmail.com> writes:

> As a way to fix a bug quickly and get correct behavior, I guess there's
> also the option of stopping to process multicast packets in hardware,
> and configure the switch to always send any multicast to the CPU port
> only.

I don't think that's an option.  The CPU is dimensioned for switch
management. For the RTL838x, using the current ethernet driver, it tends
to break down completely at 30-40 Mbits/s.

Multicast offloading is necessary to be able to use one of these devices
for e.g IPTV.  Which definitely is a relevant use case.


Bjørn



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