netdev - [PATCH net 0/5] mptcp: Fixes for v6.6

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Date: Wed, 18 Oct 2023 11:23:51 -0700
From: Mat Martineau <martineau@...nel.org>
To: Matthieu Baerts <matttbe@...nel.org>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 David Ahern <dsahern@...nel.org>, Davide Caratti <dcaratti@...hat.com>, 
 Christoph Paasch <cpaasch@...le.com>, Florian Westphal <fw@...len.de>
Cc: netdev@...r.kernel.org, mptcp@...ts.linux.dev, 
 Mat Martineau <martineau@...nel.org>, stable@...r.kernel.org, 
 Geliang Tang <geliang.tang@...e.com>
Subject: [PATCH net 0/5] mptcp: Fixes for v6.6

Patch 1 corrects the logic for MP_JOIN tests where 0 RSTs are expected.

Patch 2 ensures MPTCP packets are not incorrectly coalesced in the TCP
backlog queue.

Patch 3 avoids a zero-window probe and associated WARN_ON_ONCE() in an
expected MPTCP reinjection scenario.

Patches 4 & 5 allow an initial MPTCP subflow to be closed cleanly
instead of always sending RST. Associated selftest is updated.

Signed-off-by: Mat Martineau <martineau@...nel.org>
---
Geliang Tang (1):
      mptcp: avoid sending RST when closing the initial subflow

Matthieu Baerts (2):
      selftests: mptcp: join: correctly check for no RST
      selftests: mptcp: join: no RST when rm subflow/addr

Paolo Abeni (2):
      tcp: check mptcp-level constraints for backlog coalescing
      mptcp: more conservative check for zero probes

 net/ipv4/tcp_ipv4.c                             |  1 +
 net/mptcp/protocol.c                            | 36 ++++++++++++++++---------
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 21 +++++++++++++--
 3 files changed, 43 insertions(+), 15 deletions(-)
---
base-commit: 2915240eddba96b37de4c7e9a3d0ac6f9548454b
change-id: 20231018-send-net-20231018-ac6b38df05e2

Best regards,
-- 
Mat Martineau <martineau@...nel.org>