From: Hau <hau@realtek.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "hkallweit1@gmail.com" <hkallweit1@gmail.com>,
nic_swsd <nic_swsd@realtek.com>,
"andrew+netdev@lunn.ch" <andrew+netdev@lunn.ch>,
"davem@davemloft.net" <davem@davemloft.net>,
"edumazet@google.com" <edumazet@google.com>,
"kuba@kernel.org" <kuba@kernel.org>,
"pabeni@redhat.com" <pabeni@redhat.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH net-next] r8169: add quirk for RTL8116af SerDes
Date: Mon, 14 Jul 2025 15:28:37 +0000 [thread overview]
Message-ID: <50df9352e81e4688b917072949b2ee4c@realtek.com> (raw)
In-Reply-To: <9291f271-eafe-4f65-aa08-3c6cb4236f64@lunn.ch>
>
> Can you give us a few more details. What is on the other end of the SERDES?
> An SGMII PHY? An SFP cage? An Ethernet switch chip?
>
> A quick search suggests it is used with an SFP cage. How is the I2C bus
> connected? What about GPIOs? Does the RTL8116af itself have GPIOs and an
> I2C bus?
>
RTL8116af 's SERDES will connect to a SFP cage. It has GPIO and a I2C bus. But driver did not use it to access SFP cage.
Driver depends on mac io 0x6c (LinkStatus) to check link status.
next prev parent reply other threads:[~2025-07-14 15:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-11 3:44 [PATCH net-next] r8169: add quirk for RTL8116af SerDes ChunHao Lin
2025-07-13 17:05 ` Andrew Lunn
2025-07-14 15:28 ` Hau [this message]
2025-07-14 15:38 ` Andrew Lunn
2025-07-17 17:45 ` Hau
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