linux-kernel - Re: [PATCH net-next v3] idpf: export RX hardware timestamping information to XDP

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Message-ID: <2ce23c9d-f348-45ce-a2e2-583c45b0fc31@redhat.com>
Date: Mon, 22 Dec 2025 12:48:13 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Mina Almasry <almasrymina@...gle.com>, netdev@...r.kernel.org,
 bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: YiFei Zhu <zhuyifei@...gle.com>, Alexei Starovoitov <ast@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>, "David S. Miller"
 <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Jesper Dangaard Brouer <hawk@...nel.org>,
 John Fastabend <john.fastabend@...il.com>,
 Stanislav Fomichev <sdf@...ichev.me>,
 Tony Nguyen <anthony.l.nguyen@...el.com>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, Eric Dumazet <edumazet@...gle.com>,
 Alexander Lobakin <aleksander.lobakin@...el.com>,
 Richard Cochran <richardcochran@...il.com>,
 intel-wired-lan@...ts.osuosl.org,
 Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Subject: Re: [PATCH net-next v3] idpf: export RX hardware timestamping
 information to XDP

On 12/19/25 9:29 PM, Mina Almasry wrote:
> From: YiFei Zhu <zhuyifei@...gle.com>
> 
> The logic is similar to idpf_rx_hwtstamp, but the data is exported
> as a BPF kfunc instead of appended to an skb.
> 
> A idpf_queue_has(PTP, rxq) condition is added to check the queue
> supports PTP similar to idpf_rx_process_skb_fields.
> 
> Cc: intel-wired-lan@...ts.osuosl.org
> 
> Signed-off-by: YiFei Zhu <zhuyifei@...gle.com>
> Signed-off-by: Mina Almasry <almasrymina@...gle.com>
> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>

@YiFei and Mina: I believe this patch should go first via the intel
tree: please replace the 'net-next' tag prefix with 'iwl-next' on later
revision, if any.

Thanks,

Paolo