On Mon, Sep 8, 2025 at 10:34 AM <chia-yu.chang@xxxxxxxxxxxxxxxxxxx> wrote: > > From: Ilpo Järvinen <ij@xxxxxxxxxx> > > The AccECN option ceb/cep heuristic algorithm is from AccECN spec > Appendix A.2.2 to mitigate against false ACE field overflows. Armed > with ceb delta from option, delivered bytes, and delivered packets it > is possible to estimate how many times ACE field wrapped. > > This calculation is necessary only if more than one wrap is possible. > Without SACK, delivered bytes and packets are not always trustworthy in > which case TCP falls back to the simpler no-or-all wraps ceb algorithm. > > Signed-off-by: Ilpo Järvinen <ij@xxxxxxxxxx> > Signed-off-by: Chia-Yu Chang <chia-yu.chang@xxxxxxxxxxxxxxxxxxx> > Acked-by: Paolo Abeni <pabeni@xxxxxxxxxx> Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>
