netdev - Re: Poor thunderbolt-net interface performance when bridged

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Message-Id: <55F20E80-6382-43EA-91E0-C3B2237D79B7@bejarano.io>
Date: Mon, 26 May 2025 18:10:44 +0200
From: Ricard Bejarano <ricard@...arano.io>
To: Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc: netdev@...r.kernel.org,
 michael.jamet@...el.com,
 YehezkelShB@...il.com,
 andrew+netdev@...n.ch,
 davem@...emloft.net,
 edumazet@...gle.com,
 kuba@...nel.org,
 pabeni@...hat.com
Subject: Re: Poor thunderbolt-net interface performance when bridged

> Yes but you are adding things into the mix. I'm trying to understand if
> there is something in the drivers I maintain that I need to look. I'm not
> networking maintainer so I cannot help in generic networking related
> issues.

Right, thanks for clarifying. My bad.

> Do you see that asymmetry with only single link? E.g with two (just two)
> hosts? If yes can you provide full dmesg of the both sides?

No. You can see that in [4.6.1a] and [4.6.1a]. When red and blue talk to each
other directly, speed is ~9Gbps both ways.

Thanks,
Ricard Bejarano