netdev - Re: [PATCH iwl-next v4 0/4] igb: Add support for AF

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: <878qyq9838.fsf@kurt.kurt.home>
Date: Thu, 27 Jun 2024 09:07:55 +0200
From: Kurt Kanzenbach <kurt@...utronix.de>
To: Sriram Yagnaraman <sriram.yagnaraman@....tech>
Cc: intel-wired-lan@...ts.osuosl.org, bpf@...r.kernel.org,
 netdev@...r.kernel.org, Jesse Brandeburg <jesse.brandeburg@...el.com>,
 Tony Nguyen <anthony.l.nguyen@...el.com>, "David S . Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
 <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Alexei Starovoitov
 <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard
 Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>,
 Björn Töpel <bjorn@...nel.org>, Magnus Karlsson
 <magnus.karlsson@...el.com>,
 Maciej Fijalkowski <maciej.fijalkowski@...el.com>, Jonathan Lemon
 <jonathan.lemon@...il.com>, Sriram Yagnaraman <sriram.yagnaraman@....tech>
Subject: Re: [PATCH iwl-next v4 0/4] igb: Add support for AF_XDP zero-copy

Hi Sriram,

On Fri Aug 04 2023, Sriram Yagnaraman wrote:
> The first couple of patches adds helper funcctions to prepare for AF_XDP
> zero-copy support which comes in the last couple of patches, one each
> for Rx and TX paths.
>
> As mentioned in v1 patchset [0], I don't have access to an actual IGB
> device to provide correct performance numbers. I have used Intel 82576EB
> emulator in QEMU [1] to test the changes to IGB driver.

I gave this patch series a try on a recent kernel and silicon
(i210). There was one issue in igb_xmit_zc(). But other than that it
worked very nicely.

It seems like it hasn't been merged yet. Do you have any plans for
continuing to work on this?

Thanks,
Kurt

Download attachment "signature.asc" of type "application/pgp-signature" (862 bytes)