Hi Greg,
On 04/03/2024 09:28, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> The patch below does not apply to the 5.4-stable tree.
(...)
> ------------------ original commit in Linus's tree ------------------
>
> From b9cd26f640a308ea314ad23532de9a8592cd09d2 Mon Sep 17 00:00:00 2001
> From: Paolo Abeni <pabeni@xxxxxxxxxx>
> Date: Fri, 23 Feb 2024 17:14:14 +0100
> Subject: [PATCH] mptcp: push at DSS boundaries
>
> when inserting not contiguous data in the subflow write queue,
> the protocol creates a new skb and prevent the TCP stack from
> merging it later with already queued skbs by setting the EOR marker.
>
> Still no push flag is explicitly set at the end of previous GSO
> packet, making the aggregation on the receiver side sub-optimal -
> and packetdrill self-tests less predictable.
>
> Explicitly mark the end of not contiguous DSS with the push flag.
>
> Fixes: 6d0060f600ad ("mptcp: Write MPTCP DSS headers to outgoing data packets")
I guess this patch has been selected for v5.4 by accident because MPTCP
has been introduced in v5.6. In other words, we don't need this patch
for v5.4 :)
Cheers,
Matt
--
Sponsored by the NGI0 Core fund.
