On 2022-09-08 13:20, Vladimir Oltean wrote:
On Thu, Sep 08, 2022 at 01:14:59PM +0200, netdev@xxxxxxxxxxxxxxxxxxxx
wrote:
On 2022-09-08 09:59, Ido Schimmel wrote:
> On Wed, Sep 07, 2022 at 11:10:07PM +0200, netdev@xxxxxxxxxxxxxxxxxxxx wrote:
> > I am at the blackhole driver implementation now, as I suppose that the
> > iproute2 command should work with the mv88e6xxx driver when adding blackhole
> > entries (with a added selftest)?
> > I decided to add the blackhole feature as new ops for drivers with functions
> > blackhole_fdb_add() and blackhole_fdb_del(). Do you agree with that approach?
>
> I assume you are talking about extending 'dsa_switch_ops'?
Yes, that is the idea.
> If so, it's up to the DSA maintainers to decide.
What will be the usefulness of adding a blackhole FDB entry from user
space?
With the software bridge it could be used to signal a untrusted host in
connection with a locked port entry attempt. I don't see so much use
other that test purposes with the driver though.
