On Tue, Mar 16, 2021 at 12:36:24PM +0800, DENG Qingfang wrote: > On Tue, Mar 16, 2021 at 5:15 AM Vladimir Oltean <olte...@gmail.com> wrote: > > > > Actually this is just how Qingfang explained it: > > https://patchwork.kernel.org/project/netdevbpf/patch/20210224081018.24719-1-dqf...@gmail.com/ > > > > I just assume that MT7530/7531 switches don't need to enable flooding on > > user ports when the only possible traffic source is the CPU port - the > > CPU port can inject traffic into any port regardless of egress flooding > > setting. If that's not true, I don't see how traffic in standalone ports > > mode would work after this patch. > > Correct. Don't forget the earlier version of this driver (before my > attempt to fix roaming) disabled unknown unicast flooding (trapped to > CPU) in the same way.
Ok, so in practice you don't really need to touch this register if it's already all ones.