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From: Florian Fainelli <f.fainelli@gmail.com>
To: "Rafał Miłecki" <zajec5@gmail.com>,
	"Florian Fainelli" <florian.fainelli@broadcom.com>
Cc: Jonas Gorski <jonas.gorski@gmail.com>,
	Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Hauke Mehrtens <hauke@hauke-m.de>
Subject: Re: [PATCH net] net: dsa: b53: prevent standalone from trying to forward to other ports
Date: Fri, 27 Feb 2026 09:58:03 -0800	[thread overview]
Message-ID: <eccf1d40-e4f2-4ea1-a8e2-328606fc0860@gmail.com> (raw)
In-Reply-To: <CACna6ry9B9LiPbWdXzi7FCcaU1YC+HPkor53AiSEaRSNUMcLwQ@mail.gmail.com>

On 2/27/26 05:32, Rafał Miłecki wrote:
> pt., 27 lut 2026 o 13:23 Rafał Miłecki <zajec5@gmail.com> napisał(a):
>> czw., 26 lut 2026 o 22:26 Florian Fainelli
>> <florian.fainelli@broadcom.com> 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?
-- 
Florian

  reply	other threads:[~2026-02-27 17:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-08  9:14 [PATCH net] net: dsa: b53: prevent standalone from trying to forward to other ports Jonas Gorski
2025-05-13 10:28 ` Paolo Abeni
2025-05-13 12:43 ` Florian Fainelli
2025-05-13 12:55 ` Vladimir Oltean
2025-05-13 13:50 ` patchwork-bot+netdevbpf
2026-02-26 20:24 ` Rafał Miłecki
2026-02-26 21:26   ` Florian Fainelli
2026-02-27 12:23     ` Rafał Miłecki
2026-02-27 13:32       ` Rafał Miłecki
2026-02-27 17:58         ` Florian Fainelli [this message]
2026-02-27 18:13           ` Rafał Miłecki
2026-02-28 13:30             ` Jonas Gorski
2026-03-02 12:34               ` Rafał Miłecki

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