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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ae3d25c9-f548-44f3-916e-c9a5b4769f36@lunn.ch>
Date: Sat, 14 Jun 2025 16:11:02 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Ricard Bejarano <ricard@...arano.io>
Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>,
	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

On Sat, Jun 14, 2025 at 11:13:53AM +0200, Ricard Bejarano wrote:
> Any ideas?
> 
> I've rebuilt the lab with 6.15.2 and I still see that ~12-15% receiver loss.

Sorry, i lost track of where we were.

Did you manage to prove it is skbuf with fragments which are the
problem? As i said, adding the skb_linearize was just a debug tool,
not a fix.

	Andrew