netdev - Re: [PATCH net 2/2] xsk: Fix zero-copy AF

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Message-ID: <CAL+tcoDaV6-iLTjgGeithcsr0rbBDMevc98MoCcn2Dnn+Zb0kg@mail.gmail.com>
Date: Fri, 6 Feb 2026 15:50:11 +0800
From: Jason Xing <kerneljasonxing@...il.com>
To: "Nikhil P. Rao" <nikhil.rao@....com>
Cc: netdev@...r.kernel.org, magnus.karlsson@...el.com, 
	maciej.fijalkowski@...el.com, sdf@...ichev.me, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org
Subject: Re: [PATCH net 2/2] xsk: Fix zero-copy AF_XDP fragment drop

Hi Nikhil,

On Thu, Feb 5, 2026 at 8:20 AM Nikhil P. Rao <nikhil.rao@....com> wrote:
>
> AF_XDP should ensure that only a complete packet is sent to application.
> In the zero-copy case, if the Rx queue gets full as fragments are being
> enqueued, the remaining fragments are dropped.
>
> Add a check to ensure that the Rx queue has enough space for all
> fragments of a packet before starting to enqueue them.
>
> Fixes: 24ea50127ecf ("xsk: support mbuf on ZC RX")
> Signed-off-by: Nikhil P. Rao <nikhil.rao@....com>

After resolving the issues that the robot reported, please make sure
to CC me once the next version is ready.

I nearly miss this series buried in a huge pile of emails.

Thanks,
Jason