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

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Message-ID: <6eb4e9c0-debe-4643-a5b6-bd5ef0f72070@ti.com>
Date: Wed, 12 Nov 2025 17:42:38 +0530
From: Chintan Vankar <c-vankar@...com>
To: Jakub Kicinski <kuba@...nel.org>, 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

Hello Jakub,

On 12/11/25 06:48, Jakub Kicinski wrote:
> 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.
> 

I am mainly working on am65-cpsw-nuss.c driver and volunteering myself
to be the MAINTAINER of am65-cpsw-nuss.c and other CPSW drivers.

Regards,
Chintan.