linux-kernel - [PATCH net-next 0/8] mptcp: small improvements, fix and clean-ups

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Date: Fri, 10 May 2024 13:18:30 +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>, Florian Westphal <fw@...len.de>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, 
 Gregory Detal <gregory.detal@...il.com>
Subject: [PATCH net-next 0/8] mptcp: small improvements, fix and clean-ups

This series contain mostly unrelated patches:

- The two first patches can be seen as "fixes". They are part of this
  series for -next because it looks like the last batch of fixes for
  v6.9 has already been sent. These fixes are not urgent, so they can
  wait if an unlikely v6.9-rc8 is published. About the two patches:
    - Patch 1 fixes getsockopt(SO_KEEPALIVE) support on MPTCP sockets
    - Patch 2 makes sure the full TCP keep-alive feature is supported,
      not just SO_KEEPALIVE.

- Patch 3 is a small optimisation when getsockopt(MPTCP_INFO) is used
  without buffer, just to check if MPTCP is still being used: no
  fallback to TCP.

- Patch 4 adds net.mptcp.available_schedulers sysctl knob to list packet
  schedulers, similar to net.ipv4.tcp_available_congestion_control.

- Patch 5 and 6 fix CheckPatch warnings: "prefer strscpy over strcpy"
  and "else is not generally useful after a break or return".

- Patch 7 and 8 remove and add header includes to avoid unused ones, and
  add missing ones to be self-contained.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
Gregory Detal (1):
      mptcp: add net.mptcp.available_schedulers

Matthieu Baerts (NGI0) (7):
      mptcp: SO_KEEPALIVE: fix getsockopt support
      mptcp: fix full TCP keep-alive support
      mptcp: sockopt: info: stop early if no buffer
      mptcp: prefer strscpy over strcpy
      mptcp: remove unnecessary else statements
      mptcp: move mptcp_pm_gen.h's include
      mptcp: include inet_common in mib.h

 include/net/mptcp.h      |  3 +++
 net/mptcp/ctrl.c         | 29 +++++++++++++++++++--
 net/mptcp/mib.h          |  2 ++
 net/mptcp/pm_netlink.c   |  1 +
 net/mptcp/pm_userspace.c |  1 +
 net/mptcp/protocol.c     |  5 ++--
 net/mptcp/protocol.h     |  6 +++--
 net/mptcp/sched.c        | 22 ++++++++++++++++
 net/mptcp/sockopt.c      | 66 +++++++++++++++++++++++++++++++++++++++++++++---
 net/mptcp/subflow.c      | 32 ++++++++++++-----------
 10 files changed, 143 insertions(+), 24 deletions(-)
---
base-commit: 383eed2de529287337d9153a5084d4291a7c69f2
change-id: 20240509-upstream-net-next-20240509-misc-improvements-84b3489136f3

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