On Mon, Jan 19, 2026 at 7:59 PM <[email protected]> wrote: > > From: Chia-Yu Chang <[email protected]> > > When AccECN is not successfully negociated for a TCP flow, it defaults > fallback to classic ECN (RFC3168). However, L4S service will fallback > to non-ECN. > > This patch enables congestion control module to control whether it > should not fallback to classic ECN after unsuccessful AccECN negotiation. > A new CA module flag (TCP_CONG_NO_FALLBACK_RFC3168) identifies this > behavior expected by the CA. > > Signed-off-by: Chia-Yu Chang <[email protected]> > Acked-by: Paolo Abeni <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
