[v6,net-next,00/14] AccECN protocol preparation patch series

Message

Chia-Yu Chang (Nokia) Dec. 27, 2024, 7:11 p.m. UTC

From: Chia-Yu Chang <[e-mail]>

Hello,

Specific changes in v6 (27-Dec-2024)
- Avoid removing removing the potential CA_ACK_WIN_UPDATE in ack_ev_flags of patch #1 (Eric Dumazet <[e-mail]>)
- Add reviewed-by tag in patches #2, #3, #4, #5, #6, #7, #8, #12, #14
- Foloiwng 2 new pathces are added after patch #9 (Patch that adds SKB_GSO_TCP_ACCECN)
  * New patch #10 to replace exisiting SKB_GSO_TCP_ECN with SKB_GSO_TCP_ACCECN in the driver to avoid CWR flag corruption
  * New patch #11 adds AccECN for virtio by adding new negotiation flag (VIRTIO_NET_F_HOST/GUEST_ACCECN) in feature handshake and translating Accurate ECN GSO flag between virtio_net_hdr (VIRTIO_NET_HDR_GSO_ACCECN) and skb header (SKB_GSO_TCP_ACCECN)
- Add detailed changelog and comments in #13 (Eric Dumazet <[e-mail]>)
- Move patch #14 to the next AccENC patch series (Eric Dumazet <[e-mail]>)

Specific changes in v5 (5-Nov-2024)
- Add helper function "tcp_flags_ntohs" to preserve last 2 bytes of TCP flags of patch #4 (Paolo Abeni <[e-mail]>)
- Fix reverse X-max tree order of patches #4, #11 (Paolo Abeni <[e-mail]>)
- Rename variable "delta" as "timestamp_delta" of patch #2 fo clariety
- Remove patch #14 in this series (Paolo Abeni <[e-mail]>, Joel Granados <[e-mail]>)

Specific changes in v4 (21-Oct-2024)
- Fix line length warning of patches #2, #4, #8, #10, #11, #14
- Fix spaces preferred around '|' (ctx:VxV) warning of patch #7
- Add missing CC'ed of patches #4, #12, #14

Specific changes in v3 (19-Oct-2024)
- Fix build error in v2

Specific changes in v2 (18-Oct-2024)
- Fix warning caused by NETIF_F_GSO_ACCECN_BIT in patch #9 (Jakub Kicinski <[e-mail]>)

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

--
Chia-Yu

Chia-Yu Chang (3):
  tcp: use BIT() macro in include/net/tcp.h
  net: hns3/mlx5e: avoid corrupting CWR flag when receiving GRO packet
  virtio_net: Accurate ECN flag in virtio_net_hdr

Ilpo Järvinen (11):
  tcp: reorganize tcp_in_ack_event() and tcp_count_delivered()
  tcp: create FLAG_TS_PROGRESS
  tcp: extend TCP flags to allow AE bit/ACE field
  tcp: reorganize SYN ECN code
  tcp: rework {__,}tcp_ecn_check_ce() -> tcp_data_ecn_check()
  tcp: helpers for ECN mode handling
  gso: AccECN support
  gro: prevent ACE field corruption & better AccECN handling
  tcp: AccECN support to tcp_add_backlog
  tcp: add new TCP_TW_ACK_OOW state and allow ECN bits in TOS
  tcp: Pass flags to __tcp_send_ack

 .../net/ethernet/hisilicon/hns3/hns3_enet.c   |   2 +-
 .../net/ethernet/mellanox/mlx5/core/en_rx.c   |   4 +-
 drivers/net/virtio_net.c                      |  14 +-
 drivers/vdpa/pds/debugfs.c                    |   6 +
 include/linux/netdev_features.h               |   8 +-
 include/linux/netdevice.h                     |   2 +
 include/linux/skbuff.h                        |   2 +
 include/linux/virtio_net.h                    |  16 ++-
 include/net/tcp.h                             |  81 +++++++++---
 include/uapi/linux/tcp.h                      |   9 +-
 include/uapi/linux/virtio_net.h               |   5 +
 net/ethtool/common.c                          |   1 +
 net/ipv4/bpf_tcp_ca.c                         |   2 +-
 net/ipv4/ip_output.c                          |   3 +-
 net/ipv4/tcp.c                                |   2 +-
 net/ipv4/tcp_dctcp.c                          |   2 +-
 net/ipv4/tcp_dctcp.h                          |   2 +-
 net/ipv4/tcp_input.c                          | 120 +++++++++++-------
 net/ipv4/tcp_ipv4.c                           |  34 +++--
 net/ipv4/tcp_minisocks.c                      |   6 +-
 net/ipv4/tcp_offload.c                        |  10 +-
 net/ipv4/tcp_output.c                         |  23 ++--
 net/ipv6/tcp_ipv6.c                           |  26 ++--
 net/netfilter/nf_log_syslog.c                 |   8 +-
 24 files changed, 263 insertions(+), 125 deletions(-)

Comments

Jakub Kicinski Dec. 27, 2024, 7:23 p.m. UTC | #1

On Fri, 27 Dec 2024 20:11:57 +0100 [e-mail]
wrote:
> Hello

Hello.

Someone may still review, but:

## Form letter - winter-break

Networking development is suspended for winter holidays, until Jan 2nd.
We are currently accepting bug fixes only, see the announcements at:

https://lore.kernel.org/[e-mail]
https://lore.kernel.org/[e-mail]

RFC patches sent for review only are welcome at any time.