On Sat, Sep 26, 2020 at 10:32:02PM +0300, Vladimir Oltean wrote:
> Currently DSA assumes that taggers don't mess with the destination MAC
> address of the frames on RX. That is not always the case. Some DSA
> headers are placed before the Ethernet header (ocelot), and others
> simply mangle random bytes from the destination MAC address (sja1105
> with its incl_srcpt option).
>
> Currently the DSA master goes to promiscuous mode automatically when the
> slave devices go too (such as when enslaved to a bridge), but in
> standalone mode this is a problem that needs to be dealt with.
>
> So give drivers the possibility to signal that their tagging protocol
> will get randomly dropped otherwise, and let DSA deal with fixing that.
>
> Signed-off-by: Vladimir Oltean <vladimir.olt...@nxp.com>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Andrew
