Re: [PATCH v9 net-next 14/15] tcp: accecn: enable AccECN
From: Eric Dumazet <edumazet@google.com>
Date: 2026-01-20 11:19:53
Also in:
bpf, linux-doc, linux-kselftest
On Mon, Jan 19, 2026 at 7:59 PM [off-list ref] wrote:
From: Chia-Yu Chang <redacted> Enable Accurate ECN negotiation and request for incoming and outgoing connection by setting sysctl_tcp_ecn: +==============+===========================================+ | | Highest ECN variant (Accurate ECN, ECN, | | tcp_ecn | or no ECN) to be negotiated & requested | | +---------------------+---------------------+ | | Incoming connection | Outgoing connection | +==============+=====================+=====================+ | 0 | No ECN | No ECN | | 1 | ECN | ECN | | 2 | ECN | No ECN | +--------------+---------------------+---------------------+ | 3 | Accurate ECN | Accurate ECN | | 4 | Accurate ECN | ECN | | 5 | Accurate ECN | No ECN | +==============+=====================+=====================+ Refer Documentation/networking/ip-sysctl.rst for more details. Signed-off-by: Chia-Yu Chang <redacted> Acked-by: Paolo Abeni <pabeni@redhat.com> ---
Reviewed-by: Eric Dumazet <edumazet@google.com>