linux-kernel - Re: [PATCH net-next v4 0/6] Add AF

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Message-ID: <def1cb92-c0cd-440f-933a-55a5be71251b@intel.com>
Date: Thu, 23 Oct 2025 17:56:58 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Meghana Malladi <m-malladi@...com>, <horms@...nel.org>,
	<namcao@...utronix.de>, <vadim.fedorenko@...ux.dev>,
	<christian.koenig@....com>, <sumit.semwal@...aro.org>, <sdf@...ichev.me>,
	<john.fastabend@...il.com>, <hawk@...nel.org>, <daniel@...earbox.net>,
	<ast@...nel.org>, <pabeni@...hat.com>, <kuba@...nel.org>,
	<edumazet@...gle.com>, <davem@...emloft.net>, <andrew+netdev@...n.ch>
CC: <linaro-mm-sig@...ts.linaro.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-media@...r.kernel.org>, <bpf@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <srk@...com>, Vignesh Raghavendra
	<vigneshr@...com>, Roger Quadros <rogerq@...nel.org>, <danishanwar@...com>
Subject: Re: [PATCH net-next v4 0/6] Add AF_XDP zero copy support



On 10/23/2025 2:39 AM, Meghana Malladi wrote:
> This series adds AF_XDP zero coppy support to icssg driver.
> 
> Tests were performed on AM64x-EVM with xdpsock application [1].
> 
> A clear improvement is seen Transmit (txonly) and receive (rxdrop)
> for 64 byte packets. 1500 byte test seems to be limited by line
> rate (1G link) so no improvement seen there in packet rate
> 
> Having some issue with l2fwd as the benchmarking numbers show 0
> for 64 byte packets after forwading first batch packets and I am
> currently looking into it.
> 

Do you think this means there is an issue with the patches or your test
setup?

I didn't see anything stand out as a problem to me when reading the series:

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>



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