RE: [PATCH v5 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver

From: Razvan Stefanescu
Date: Wed Mar 14 2018 - 10:28:08 EST




> -----Original Message-----
> From: Andrew Lunn [mailto:andrew@xxxxxxx]
> Sent: Tuesday, March 13, 2018 5:26 PM
> To: Razvan Stefanescu <razvan.stefanescu@xxxxxxx>
> Cc: gregkh@xxxxxxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; Alexander Graf
> <agraf@xxxxxxx>; arnd@xxxxxxxx; Alexandru Marginean
> <alexandru.marginean@xxxxxxx>; Ruxandra Ioana Ciocoi Radulescu
> <ruxandra.radulescu@xxxxxxx>; Ioana Ciornei <ioana.ciornei@xxxxxxx>;
> Laurentiu Tudor <laurentiu.tudor@xxxxxxx>; stuyoder@xxxxxxxxx
> Subject: Re: [PATCH v5 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2
> Ethernet Switch driver
>
> > Hello Andrew,
> >
> > The current driver implementation uses only a single FDB for the switch,
> > so it is not possible configure multiple flooding domains to accommodate
> > ports partitioning.
>
> Ah, O.K. Rather than break somebodies network by wrongly flooding, it
> would be better to return -EOPNOTSUPP when the requirement for the
> second FDB is met. The offload to hardware will then not happen, and
> the software bridge will do all the work.
>
Thank you for your suggestion. I will add to the TODO list in v6.

Razvan
> Andrew