Re: [PATCH net-next v3 2/6] mptcp: keep rcv_mwnd_seq in sync with subflow rcv_wnd

[Eric Dumazet]

On Mon, Mar 9, 2026 at 9:03 AM Simon Baatz via B4 Relay
<devnull+gmbnomis.gmail.com@xxxxxxxxxx> wrote:
>
> From: Simon Baatz <gmbnomis@xxxxxxxxx>
>
> MPTCP shares a receive window across subflows and applies it at the
> subflow level by adjusting each subflow's rcv_wnd when needed.  With
> the new TCP tracking of the maximum advertised window sequence,
> rcv_mwnd_seq must stay consistent with these subflow-level rcv_wnd
> adjustments.
>
> Signed-off-by: Simon Baatz <gmbnomis@xxxxxxxxx>

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>