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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
> 


  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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