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Thu, 08 Jan 2026 15:19:13 -0800 (PST) Date: Thu, 8 Jan 2026 23:19:11 +0000 From: Fabio Baltieri To: Heiner Kallweit Cc: Andrew Lunn , Andrew Lunn , Russell King - ARM Linux , Paolo Abeni , Eric Dumazet , David Miller , Jakub Kicinski , Vladimir Oltean , Michael Klein , Daniel Golle , Realtek linux nic maintainers , Aleksander Jan Bajkowski , "netdev@vger.kernel.org" Subject: Re: [PATCH net-next 2/2] r8169: add support for RTL8127ATF (Fiber SFP) Message-ID: References: <52011433-79d3-4097-a2d3-d1cca1f66acb@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Jan 08, 2026 at 09:28:20PM +0100, Heiner Kallweit wrote: > RTL8127ATF supports a SFP+ port for fiber modules (10GBASE-SR/LR/ER/ZR and > DAC). The list of supported modes was provided by Realtek. According to the > r8127 vendor driver also 1G modules are supported, but this needs some more > complexity in the driver, and only 10G mode has been tested so far. > Therefore mainline support will be limited to 10G for now. > The SFP port signals are hidden in the chip IP and driven by firmware. > Therefore mainline SFP support can't be used here. > > Signed-off-by: Heiner Kallweit Tested-by: Fabio Baltieri Thanks! Fabio