Re: [PATCH net] net: dsa: b53: prevent standalone from trying to forward to other ports

[Rafał Miłecki]

pt., 27 lut 2026 o 18:58 Florian Fainelli <f.fainelli@xxxxxxxxx> napisał(a):
> On 2/27/26 05:32, Rafał Miłecki wrote:
> > pt., 27 lut 2026 o 13:23 Rafał Miłecki <zajec5@xxxxxxxxx> napisał(a):
> >> czw., 26 lut 2026 o 22:26 Florian Fainelli
> >> <florian.fainelli@xxxxxxxxxxxx> napisał(a):
> >>> Could you try to program GMNGCFG (page 0x02, offset 0) bits 7:6 to have
> >>> the value 0b11 which is dual IMP port (IMPO is port 8 and IMP1 is port
> >>> 5) and see if that helps?
> >>
> >> On my Luxul XWR-3150 (it uses gmac0 and port 5) the value of
> >> B53_MGMT_PAGE (0x02) / B53_GLOBAL_CONFIG (0x00) is 0xc2. Nothing to
> >> set there I suppose?
> >
> > I tried other possible values:
> > 0x02
> > 0x82
> > 0x42
> >
> > None affected my switch / wan / lan ports.
> >
>
> Thanks for giving it a try, how about the BRCM_HDR_CTRL register
> programming (page 0x02, offset 0x03)? Can you see whether it is set to
> 0x3 or 0x1?

It's 0x02 which seems to match BRCM_HDR_P5_EN. It makes sense as
XWR-3150 uses gmac0 + port 5.

-- 
Rafał