linux-kernel - Re: [PATCH RFC 0/4] Add XDP RX queue index metadata via kfuncs

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Message-ID: <87h5wq50l0.fsf@cloudflare.com>
Date: Thu, 25 Sep 2025 11:43:39 +0200
From: Jakub Sitnicki <jakub@...udflare.com>
To: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@...il.com>
Cc: davem@...emloft.net,  edumazet@...gle.com,  kuba@...nel.org,
  pabeni@...hat.com,  donald.hunter@...il.com,  andrew+netdev@...n.ch,
  ast@...nel.org,  daniel@...earbox.net,  hawk@...nel.org,
  john.fastabend@...il.com,  matttbe@...nel.org,  chuck.lever@...cle.com,
  jdamato@...tly.com,  skhawaja@...gle.com,  dw@...idwei.uk,
  mkarsten@...terloo.ca,  yoong.siang.song@...el.com,
  david.hunter.linux@...il.com,  skhan@...uxfoundation.org,
  horms@...nel.org,  sdf@...ichev.me,  netdev@...r.kernel.org,
  linux-kernel@...r.kernel.org,  bpf@...r.kernel.org,
  linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH RFC 0/4] Add XDP RX queue index metadata via kfuncs

On Tue, Sep 23, 2025 at 10:00 PM +01, Mehdi Ben Hadj Khelifa wrote:
>  This patch series is intended to make a base for setting
>  queue_index in the xdp_rxq_info struct in bpf/cpumap.c to
>  the right index. Although that part I still didn't figure
>  out yet,I m searching for my guidance to do that as well
>  as for the correctness of the patches in this series.

What is the use case/movtivation behind this work?