netdev - Re: [PATCH v1] net: sfp: add quirks for ODI DFP-34X-2C2

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Message-ID:
 <TY3P286MB2611578CBBB25D48FA5452A7985A2@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM>
Date: Mon, 26 Feb 2024 23:20:47 +0800
From: Shengyu Qu <wiagn233@...look.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: wiagn233@...look.com, "Russell King (Oracle)" <linux@...linux.org.uk>,
 hkallweit1@...il.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v1] net: sfp: add quirks for ODI DFP-34X-2C2

Hi Andrew,

When telnet connected to the stick(It's using busybox), "cat /proc/kmsg"
would report something like "<4>change mode to 0", that 0 is the actual
speed rate codename it changes to. You could check this [1] for more
information.

Sorry but I can't record my kmsg output now, since enable connection to
my stick would make the network to disconnect for all users and my
roommates are using it.

Best regards,
Shengyu

[1] https://github.com/Anime4000/RTL960x/blob/main/Docs/FLASH_GETSET_INFO.md#lan_sds_mode

在 2024/2/26 23:06, Andrew Lunn 写道:
>> Well, that seems some kind weird trick implemented in that chip's SDK (maybe
>> hardware?). It would automatically detect the speed rate that host uses and
>> switch to that rate. The system log of the stick shows that.
> 
> Please could you show some examples from the system log.
> 
> If this patch is accepted, these details need to be in the commit
> message, to explain how this actually works, when it should not
> actually work....
> 
>         Andrew


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