Re: [PATCH net-next v6 2/5] net: gro: only merge packets with incrementing or fixed outer ids

From: Willem de Bruijn

Date: Mon Sep 22 2025 - 15:28:47 EST


Richard Gobert wrote:
> Only merge encapsulated packets if their outer IDs are either
> incrementing or fixed, just like for inner IDs and IDs of non-encapsulated
> packets.
>
> Add another ip_fixedid bit for a total of two bits: one for outer IDs (and
> for unencapsulated packets) and one for inner IDs.
>
> This commit preserves the current behavior of GSO where only the IDs of the
> inner-most headers are restored correctly.
>
> Signed-off-by: Richard Gobert <richardbgobert@xxxxxxxxx>

Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>