netdev - Re: [PATCH net-next v7 06/16] net: Proxy netdev_queue_get_dma

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Message-ID: <5c458312-2949-4dad-a358-1b25163df01f@blackwall.org>
Date: Mon, 19 Jan 2026 16:21:17 +0200
From: Nikolay Aleksandrov <razor@...ckwall.org>
To: Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org
Cc: bpf@...r.kernel.org, kuba@...nel.org, davem@...emloft.net,
 pabeni@...hat.com, willemb@...gle.com, sdf@...ichev.me,
 john.fastabend@...il.com, martin.lau@...nel.org, jordan@...fe.io,
 maciej.fijalkowski@...el.com, magnus.karlsson@...el.com, dw@...idwei.uk,
 toke@...hat.com, yangzhenze@...edance.com, wangdongdong.6@...edance.com
Subject: Re: [PATCH net-next v7 06/16] net: Proxy netdev_queue_get_dma_dev for
 leased queues

On 15/01/2026 10:25, Daniel Borkmann wrote:
> From: David Wei <dw@...idwei.uk>
> 
> Extend netdev_queue_get_dma_dev to return the physical device of the
> real rxq for DMA in case the queue was leased. This allows memory
> providers like io_uring zero-copy or devmem to bind to the physically
> leased rxq via virtual devices such as netkit.
> 
> Signed-off-by: David Wei <dw@...idwei.uk>
> Co-developed-by: Daniel Borkmann <daniel@...earbox.net>
> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
> ---
>   net/core/netdev_queues.c | 17 +++++++++++++++--
>   1 file changed, 15 insertions(+), 2 deletions(-)
> 

Reviewed-by: Nikolay Aleksandrov <razor@...ckwall.org>