linux-kernel - Re: [PATCH net-next v2 0/7] net: ethernet: ti: am65-cpsw: add AF

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Message-ID: <20251111171848.1a4c8c03@kernel.org>
Date: Tue, 11 Nov 2025 17:18:48 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Roger Quadros <rogerq@...nel.org>
Cc: Siddharth Vadapalli <s-vadapalli@...com>, Andrew Lunn
 <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, 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>, Sumit Semwal <sumit.semwal@...aro.org>,
 Christian König <christian.koenig@....com>, Stanislav
 Fomichev <sdf@...ichev.me>, Simon Horman <horms@...nel.org>, srk@...com,
 Meghana Malladi <m-malladi@...com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
 linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH net-next v2 0/7] net: ethernet: ti: am65-cpsw: add
 AF_XDP zero copy support

On Sun, 09 Nov 2025 23:37:50 +0200 Roger Quadros wrote:
> This series adds AF_XDP zero coppy support to am65-cpsw driver.
> 
> Tests were performed on AM62x-sk with xdpsock application [1].
> 
> A clear improvement is seen in 64 byte packets on Transmit (txonly)
> and receive (rxdrop).
> 1500 byte test seems to be limited by line rate (1G link) so no
> improvement seen there in packet rate. A test on higher speed link
> (or PHY-less setup) might be worthwile.
> 
> There is some issue during l2fwd with 64 byte packets and benchmark
> results show 0. This issue needs to be debugged further.
> A 512 byte l2fwd test result has been added to compare instead.

It appears that the drivers/net/ethernet/ti/am65-* files do not fall
under any MAINTAINERS entry. Please add one or extend the existing CPSW
entry as the first patch of the series.