netdev - Re: [PATCH net-next v7 02/16] net: Implement netdev_nl_queue_create

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Message-ID: <3f9e1db9-71c9-4df4-88c1-4fc54d962682@blackwall.org>
Date: Mon, 19 Jan 2026 16:20:47 +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 02/16] net: Implement
 netdev_nl_queue_create_doit

On 15/01/2026 10:25, Daniel Borkmann wrote:
> Implement netdev_nl_queue_create_doit which creates a new rx queue in a
> virtual netdev and then leases it to a rx queue in a physical netdev.
> 
> Example with ynl client:
> 
>    # ./pyynl/cli.py \
>        --spec ~/netlink/specs/netdev.yaml \
>        --do queue-create \
>        --json '{"ifindex": 8, "type": "rx", "lease": {"ifindex": 4, "queue": {"type": "rx", "id": 15}}}'
>    {'id': 1}
> 
> Note that the netdevice locking order is always from the virtual to
> the physical device.
> 
> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
> Co-developed-by: David Wei <dw@...idwei.uk>
> Signed-off-by: David Wei <dw@...idwei.uk>
> ---
>   include/net/netdev_queues.h   |  19 ++++-
>   include/net/netdev_rx_queue.h |   9 ++-
>   include/net/xdp_sock_drv.h    |   2 +-
>   net/core/dev.c                |   7 ++
>   net/core/dev.h                |   2 +
>   net/core/netdev-genl.c        | 146 +++++++++++++++++++++++++++++++++-
>   net/core/netdev_queues.c      |  57 +++++++++++++
>   net/core/netdev_rx_queue.c    |  46 ++++++++++-
>   net/xdp/xsk.c                 |   2 +-
>   9 files changed, 278 insertions(+), 12 deletions(-)
> 

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