From: Chia-Yu Chang chia-yu.chang@nokia-bell-labs.com
Hello,
Please find the v7:
v7 (14-May-2025) - Modify group sizes of tcp_sock_write_txrx and tcp_sock_write_rx in #3 based on pahole results (Paolo Abeni pabeni@redhat.com) - Fix the issue in #4 and #5 where the RFC3168 ECN behavior in tcp_ecn_send() is changed (Paolo Abeni pabeni@redhat.com) - Modify group size of tcp_sock_write_txrx in #4 and #6 based on pahole results (Paolo Abeni pabeni@redhat.com) - Update commit message for #9 to explain the increase in tcp_sock_write_rx group size - Modify group size of tcp_sock_write_tx in #10 based on pahole results
v6 (09-May-2025) - Add #3 to utilize exisintg holes of tcp_sock_write_txrx group for later patches (#4, #9, #10) with new u8 members (Paolo Abeni pabeni@redhat.com) - Add pahole outcomes before and after commit in #4, #5, #6, #9, #10, #15 (Paolo Abeni pabeni@redhat.com) - Define new helper function tcp_send_ack_reflect_ect() for sending ACK with reflected ECT in #5 (Paolo Abeni pabeni@redhat.com) - Add comments for function tcp_ecn_rcv_synack() in #5 (Paolo Abeni pabeni@redhat.com) - Add enum/define to be used by sysctl_tcp_ecn in #5, sysctl_tcp_ecn_option in #9, and sysctl_tcp_ecn_option_beacon in #10 (Paolo Abeni pabeni@redhat.com) - Move accecn_fail_mode and saw_accecn_opt in #5 and #11 to use exisintg holes of tcp_sock (Paolo Abeni pabeni@redhat.com) - Change data type of new members of tcp_request_sock and move them to the end of struct in #5 and #11 (Paolo Abeni pabeni@redhat.com) - Move new members of tcp_info to the end of struct in #6 (Paolo Abeni pabeni@redhat.com) - Merge previous #7 into #9 (Paolo Abeni pabeni@redhat.com) - Mask ecnfield with INET_ECN_MASK to remove WARN_ONCE in #9 (Paolo Abeni pabeni@redhat.com) - Reduce the indentation levels for reabability in #9 and #10 (Paolo Abeni pabeni@redhat.com) - Move delivered_ecn_bytes to the RX group in #9, accecn_opt_tstamp to the TX group in #10, pkts_acked_ewma to the RX group in #15 (Paolo Abeni pabeni@redhat.com) - Add changes in Documentation/networking/net_cachelines/tcp_sock.rst for new tcp_sock members in #3, #5, #6, #9, #10, #15
v5 (22-Apr-2025) - Further fix for 32-bit ARM alignment in tcp.c (Simon Horman horms@kernel.org)
v4 (18-Apr-2025) - Fix 32-bit ARM assertion for alignment requirement (Simon Horman horms@kernel.org)
v3 (14-Apr-2025) - Fix patch apply issue in v2 (Jakub Kicinski kuba@kernel.org)
v2 (18-Mar-2025) - Add one missing patch from the previous AccECN protocol preparation patch series to this patch series.
The full patch series can be found in https://github.com/L4STeam/linux-net-next/commits/upstream_l4steam/
The Accurate ECN draft can be found in https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-accurate-ecn-28
Best regards, Chia-Yu
Chia-Yu Chang (2): tcp: reorganize tcp_sock_write_txrx group for variables later tcp: accecn: AccECN option failure handling
Ilpo Järvinen (13): tcp: reorganize SYN ECN code tcp: fast path functions later tcp: AccECN core tcp: accecn: AccECN negotiation tcp: accecn: add AccECN rx byte counters tcp: accecn: AccECN needs to know delivered bytes tcp: sack option handling improvements tcp: accecn: AccECN option tcp: accecn: AccECN option send control tcp: accecn: AccECN option ceb/cep heuristic tcp: accecn: AccECN ACE field multi-wrap heuristic tcp: accecn: try to fit AccECN option with SACK tcp: try to avoid safer when ACKs are thinned
.../networking/net_cachelines/tcp_sock.rst | 14 + include/linux/tcp.h | 34 +- include/net/netns/ipv4.h | 2 + include/net/tcp.h | 221 ++++++- include/uapi/linux/tcp.h | 7 + net/ipv4/syncookies.c | 3 + net/ipv4/sysctl_net_ipv4.c | 19 + net/ipv4/tcp.c | 30 +- net/ipv4/tcp_input.c | 608 +++++++++++++++++- net/ipv4/tcp_ipv4.c | 7 +- net/ipv4/tcp_minisocks.c | 92 ++- net/ipv4/tcp_output.c | 296 ++++++++- net/ipv6/syncookies.c | 1 + net/ipv6/tcp_ipv6.c | 1 + 14 files changed, 1237 insertions(+), 98 deletions(-)