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SubjectRe: [PATCH v5 net-next 6/6] selftests: forwarding: add test of MAC-Auth Bypass to locked port tests
On 2022-09-08 13:20, Vladimir Oltean wrote:
> On Thu, Sep 08, 2022 at 01:14:59PM +0200, netdev@kapio-technology.com
> wrote:
>> On 2022-09-08 09:59, Ido Schimmel wrote:
>> > On Wed, Sep 07, 2022 at 11:10:07PM +0200, netdev@kapio-technology.com 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.

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