From: "Jiawen Wu" <jiawenwu@trustnetic•com>
To: "'Andrew Lunn'" <andrew@lunn•ch>
Cc: "'Russell King \(Oracle\)'" <linux@armlinux•org.uk>,
<netdev@vger•kernel.org>, <hkallweit1@gmail•com>,
<Jose.Abreu@synopsys•com>, <mengyuanlou@net-swift•com>
Subject: RE: [PATCH net-next 4/7] net: pcs: xpcs: adapt Wangxun NICs for SGMII mode
Date: Mon, 31 Jul 2023 09:47:40 +0800 [thread overview]
Message-ID: <059001d9c350$fd8a2770$f89e7650$@trustnetic.com> (raw)
In-Reply-To: <be6b8423-0045-49bf-acfc-92ffa9028316@lunn.ch>
On Friday, July 28, 2023 6:24 PM, : Andrew Lunn wrote:
> > There is a question about I2C MII read ops. I see that PHY in SFP-RJ45 module
> > is read by i2c_mii_read_default_c22(), but it limits the msgs[0].len=1.
> >
> > A description in the SFP-RJ45 datasheet shows:
>
> Please give a link to this document.
https://www.alldatasheet.com/datasheet-pdf/pdf/465165/AVAGO/ABCU-5710RZ.html
>
> The problem with copper PHYs embedded inside SFPs is that there is no
> standardised protocol to talk to them. Each PHY vendor does their own
> thing. At the moment, two different protocols are supported, ROLLBALL
> and the default protocol. It might be another protocol needs to be
> added to support the SFP you are testing with. So we need to see the
> protocol specification.
>
> Andrew
>
next prev parent reply other threads:[~2023-07-31 1:50 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-24 10:23 [PATCH net-next 0/7] support more link mode for TXGBE Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 1/7] net: pcs: xpcs: add specific vendor supoprt for Wangxun 10Gb NICs Jiawen Wu
2023-07-25 17:24 ` Andrew Lunn
2023-07-24 10:23 ` [PATCH net-next 2/7] net: pcs: xpcs: support to switch mode for Wangxun NICs Jiawen Wu
2023-07-25 17:32 ` Andrew Lunn
2023-07-26 2:40 ` Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 3/7] net: pcs: xpcs: add 1000BASE-X AN interrupt support Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 4/7] net: pcs: xpcs: adapt Wangxun NICs for SGMII mode Jiawen Wu
2023-07-24 10:34 ` Russell King (Oracle)
2023-07-25 2:05 ` Jiawen Wu
2023-07-25 7:48 ` Russell King (Oracle)
2023-07-25 9:50 ` Jiawen Wu
2023-07-25 9:58 ` Russell King (Oracle)
2023-07-25 10:08 ` Russell King (Oracle)
2023-07-25 10:45 ` Jiawen Wu
2023-07-28 10:11 ` Jiawen Wu
2023-07-28 10:24 ` Andrew Lunn
2023-07-31 1:47 ` Jiawen Wu [this message]
2023-07-28 10:33 ` Russell King (Oracle)
2023-07-31 1:58 ` Jiawen Wu
2023-08-03 2:20 ` Jiawen Wu
2023-08-03 11:10 ` Russell King (Oracle)
2023-08-04 5:56 ` Jiawen Wu
2023-07-25 17:37 ` Andrew Lunn
2023-07-26 12:14 ` Simon Horman
2023-07-24 10:23 ` [PATCH net-next 5/7] net: txgbe: support switching mode to 1000BASE-X and SGMII Jiawen Wu
2023-07-24 10:40 ` Russell King (Oracle)
2023-07-25 2:29 ` Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 6/7] net: txgbe: support copper NIC with external PHY Jiawen Wu
2023-07-24 10:43 ` Russell King (Oracle)
2023-07-25 2:41 ` Jiawen Wu
2023-07-25 8:02 ` Russell King (Oracle)
2023-07-25 10:04 ` Jiawen Wu
2023-07-25 10:38 ` Russell King (Oracle)
2023-07-26 12:15 ` Simon Horman
2023-07-24 10:23 ` [PATCH net-next 7/7] net: ngbe: move mdio access registers to libwx Jiawen Wu
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