linux-kernel - [PATCH net-next v2 0/4] mptcp: misc. features for v6.18

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Message-Id: <20250902-net-next-mptcp-misc-feat-6-18-v2-0-fa02bb3188b1@kernel.org>
Date: Tue, 02 Sep 2025 23:11:32 +0200
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
 Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, 
 Eric Biggers <ebiggers@...nel.org>, Gang Yan <yangang@...inos.cn>, 
 Christoph Paasch <cpaasch@...nai.com>
Subject: [PATCH net-next v2 0/4] mptcp: misc. features for v6.18

This series contains 4 independent new features:

- Patch 1: use HMAC-SHA256 library instead of open-coded HMAC.

- Patch 2: selftests: check for unexpected fallback counter increments.

- Patches 3-4: record subflows in RPS table, for aRFS support.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
Changes in v2:
- Drop previous patches 2 ("mptcp: make ADD_ADDR retransmission timeout
  adaptive") + 3 ("selftests: mptcp: remove add_addr_timeout settings"):
  They were introducing instabilities in the selftests.
- Rebased. Other patches have not been modified.
- Link to v1: https://lore.kernel.org/r/20250901-net-next-mptcp-misc-feat-6-18-v1-0-80ae80d2b903@kernel.org

---
Christoph Paasch (2):
      net: Add rfs_needed() helper
      mptcp: record subflows in RPS table

Eric Biggers (1):
      mptcp: use HMAC-SHA256 library instead of open-coded HMAC

Gang Yan (1):
      selftests: mptcp: add checks for fallback counters

 include/net/rps.h                               |  85 ++++++++++------
 net/mptcp/crypto.c                              |  35 +------
 net/mptcp/protocol.c                            |  21 ++++
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 123 ++++++++++++++++++++++++
 4 files changed, 202 insertions(+), 62 deletions(-)
---
base-commit: cd8a4cfa6bb43a441901e82f5c222dddc75a18a3
change-id: 20250829-net-next-mptcp-misc-feat-6-18-722fa87a60f1

Best regards,
-- 
Matthieu Baerts (NGI0) <matttbe@...nel.org>