netdev - Re: ping test with DSA ports failing

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Message-ID: <11c3fe04-7aea-44eb-8f02-28bbe0c5ec03@lunn.ch>
Date: Thu, 25 Apr 2024 22:13:43 +0200
From: Andrew Lunn <andrew@...n.ch>
To: SIMON BABY <simonkbaby@...il.com>
Cc: netdev@...r.kernel.org
Subject: Re: ping test with DSA ports failing

On Thu, Apr 25, 2024 at 11:43:48AM -0700, SIMON BABY wrote:
> Thank you so much Andrew. Sorry for the messed up diagram. attached is the
> diagram Can you confirm it is a valid test case? 

Don't use attachments with mailling lists. Just plain ASCII text.

> Note: The testing I am doing is with an actual PHY on the mac side as well. so
> basically it is a PHY to PHY connection for the CPU port. Can it cause any data
> plane issue with DSA ?

So you have a standard patch cable in the middle? Then you can
separate the system and test each half on its own. Is it the SoC side,
or the switch side which is causing the packet less?

      Andrew