[PATCH net-next 00/11] mptcp: misc. features for v7.3

This series contains a few independent new features, and small fixes for
net-next:

- Patch 1: Add WARN_ON_ONCE guards around extra_subflows to catch issues
  with this counter, similar to what is done with other PM counters.

- Patches 2-3: Follow-up patches to remove data_ack field from struct
  mptcp_ext -- now unused after recent fixes -- and makes a userspace PM
  helper static.

- Patch 4: Honour tcp_rto_{min_us,max_ms} sysctls for MPTCP-level
  retransmit timers like with DATA_FIN's and fallback timeout.

- Patches 5-6: Add per-event MIB counters for MPTCP_RST_EMPTCP resets to
  help to spot such situations in production.

- Patches 7-9: Small pcap-related improvements in the selftests.

- Patch 10: Fix compiler warning in the selftests.

- Patch 11: Avoid a buffer overflow when misusing the mptcp_diag tool
  from the selftests.

Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
---
Geliang Tang (2):
      mptcp: remove unused data_ack from struct mptcp_ext
      selftests: mptcp: fix const qualifier warnings in strchr usage

Jiangshan Yi (1):
      selftests: mptcp: diag: fix stack buffer overflow in get_subflow_info()

Kalpan Jani (1):
      mptcp: honour configured min/max RTO in retransmit paths

Matthieu Baerts (NGI0) (4):
      mptcp: pm: userspace: make remove_addr_entry static
      selftests: mptcp: connect: test name in pcap file
      selftests: mptcp: simult_flow: test name in pcap file
      selftests: mptcp: pcap: drop most of the payload

Shardul Bankar (2):
      mptcp: add per-event MIB counters for MPTCP_RST_EMPTCP resets
      selftests: mptcp: check per-event MPTCP_RST_EMPTCP counters

Tao Cui (1):
      mptcp: pm: add WARN_ON_ONCE guards on extra_subflows underflow

 include/net/mptcp.h                                |  4 -
 include/trace/events/mptcp.h                       |  6 +-
 net/mptcp/mib.c                                    |  7 ++
 net/mptcp/mib.h                                    |  7 ++
 net/mptcp/pm.c                                     |  3 +-
 net/mptcp/pm_userspace.c                           |  7 +-
 net/mptcp/protocol.c                               | 23 +++++-
 net/mptcp/protocol.h                               |  5 +-
 net/mptcp/subflow.c                                | 10 +++
 tools/testing/selftests/net/mptcp/mptcp_connect.c  |  4 +-
 tools/testing/selftests/net/mptcp/mptcp_connect.sh |  8 +-
 tools/testing/selftests/net/mptcp/mptcp_diag.c     |  3 +-
 tools/testing/selftests/net/mptcp/mptcp_join.sh    | 95 +++++++++++++++++++++-
 tools/testing/selftests/net/mptcp/simult_flows.sh  | 11 ++-
 14 files changed, 163 insertions(+), 30 deletions(-)
---
base-commit: ac155a26750a595703e7dadff84735456d75a479
change-id: 20260810-net-next-mptcp-misc-feat-7-3-b066d1e2d57a

Best regards,
--  
Matthieu Baerts (NGI0) <[email protected]>