From: Chia-Yu Chang chia-yu.chang@nokia-bell-labs.com
Hello,
Plesae find the v2 AccECN case handling patch series, which covers several excpetional case handling of Accurate ECN spec (RFC9768), adds new identifiers to be used by CC modules, adds ecn_delta into rate_sample, and keeps the ACE counter for computation, etc.
This patch series is part of the full AccECN patch series, which is available at https://github.com/L4STeam/linux-net-next/commits/upstream_l4steam/
Best regards, Chia-Yu
--- Chia-Yu Chang (11): tcp: L4S ECT(1) identifier and NEEDS_ACCECN for CC modules tcp: disable RFC3168 fallback identifier for CC modules tcp: accecn: handle unexpected AccECN negotiation feedback tcp: accecn: retransmit downgraded SYN in AccECN negotiation tcp: move increment of num_retrans tcp: accecn: retransmit SYN/ACK without AccECN option or non-AccECN SYN/ACK tcp: accecn: unset ECT if receive or send ACE=0 in AccECN negotiaion tcp: accecn: fallback outgoing half link to non-AccECN tcp: accecn: verify ACE counter in 1st ACK after AccECN negotiation tcp: accecn: stop sending AccECN opt when loss ACK w/ option tcp: accecn: enable AccECN
Ilpo Järvinen (3): tcp: try to avoid safer when ACKs are thinned gro: flushing when CWR is set negatively affects AccECN tcp: accecn: Add ece_delta to rate_sample
.../networking/net_cachelines/tcp_sock.rst | 1 + include/linux/tcp.h | 4 +- include/net/inet_ecn.h | 20 +++- include/net/tcp.h | 30 +++++- include/net/tcp_ecn.h | 85 ++++++++++++----- net/ipv4/sysctl_net_ipv4.c | 2 +- net/ipv4/tcp.c | 2 + net/ipv4/tcp_cong.c | 9 +- net/ipv4/tcp_input.c | 91 +++++++++++++------ net/ipv4/tcp_minisocks.c | 40 +++++--- net/ipv4/tcp_offload.c | 3 +- net/ipv4/tcp_output.c | 38 +++++--- 12 files changed, 239 insertions(+), 86 deletions(-)