netdev - Re: [PATCH bpf-next v2 0/2] selftests/xsk: Enhance traffic validation and batch size support

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Message-ID: <ZoLZNfZjzyWEQCyy@boxer>
Date: Mon, 1 Jul 2024 18:28:37 +0200
From: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To: Tushar Vyavahare <tushar.vyavahare@...el.com>
CC: <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <bjorn@...nel.org>,
	<magnus.karlsson@...el.com>, <jonathan.lemon@...il.com>,
	<davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<ast@...nel.org>, <daniel@...earbox.net>, <tirthendu.sarkar@...el.com>
Subject: Re: [PATCH bpf-next v2 0/2] selftests/xsk: Enhance traffic
 validation and batch size support

On Thu, Jun 27, 2024 at 04:35:46AM +0000, Tushar Vyavahare wrote:
> This patch series introduces enhancements to xsk selftests, focusing on
> dynamic batch size configurations and robust traffic validation.
> 
> Patch 1/2: Robust traffic validation post-ring size adjustment
> 
> - Fixed the flow in HW_SW_MIN_RING_SIZE and HW_SW_MAX_RING_SIZE test cases
>   to validate Tx/Rx traffic by checking the return value of
>   set_ring_size(), preventing premature test termination.
> 
> Patch 2/2: Dynamic batch size configuration
> 
> - Overcomes the 2K batch size limit by introducing dynamic adjustments for
>   fill_size and comp_size.
> - Update HW_SW_MAX_RING_SIZE test case that evaluates the maximum ring
>   sizes for AF_XDP, ensuring its reliability under maximum ring utilization.
> 
> Ensure the xsk selftests patches improve overall reliability and
> efficiency, allowing the system to handle larger batch sizes and
> effectively validate traffic after configuration changes.

v1..v2 diff?

> 
> Tushar Vyavahare (2):
>   selftests/xsk: Ensure traffic validation proceeds after ring size
>     adjustment in xskxceiver
>   selftests/xsk: Enhance batch size support with dynamic configurations
> 
>  tools/testing/selftests/bpf/xskxceiver.c | 40 +++++++++++++++++-------
>  tools/testing/selftests/bpf/xskxceiver.h |  2 ++
>  2 files changed, 31 insertions(+), 11 deletions(-)
> 
> -- 
> 2.34.1
> 
>