Re: [PATCH v4 net-next 3/6] drivers: net: dsa: add locked fdb entry flag to drivers

[netdev]

On 2022-07-21 13:59, Vladimir Oltean wrote:
> On Sun, Jul 17, 2022 at 05:53:22PM +0200, netdev@xxxxxxxxxxxxxxxxxxxx 
> wrote:
> > > 3. What happens to packets with a DA matching the zero-DPV entry, are
> > > they also discarded in hardware? If so, here we differ from the bridge
> > > driver implementation where such packets will be forwarded according to
> > > the locked entry and egress the locked port
> >
> > I understand that egress will follow what is setup with regard to UC, 
> > MC and
> > BC, though I haven't tested that. But no replies will get through of 
> > course
> > as long as the port hasn't been opened for the iface behind the locked 
> > port.
>
> Here, should we be rather fixing the software bridge, if the current
> behavior is to forward packets towards locked FDB entries?

Yes, I think that locked entries should block egress to the respective 
hosts behind the locked port, which should be fixed in the bridge.