linux-kernel - [PATCH net 2/3] doc: mptcp: net.mptcp.pm

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Message-Id: <20250908-net-mptcp-misc-fixes-6-17-rc5-v1-2-5f2168a66079@kernel.org>
Date: Mon, 08 Sep 2025 23:27:28 +0200
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: 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>, Donald Hunter <donald.hunter@...il.com>, 
 Davide Caratti <dcaratti@...hat.com>, Jonathan Corbet <corbet@....net>, 
 Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, mptcp@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, stable@...r.kernel.org
Subject: [PATCH net 2/3] doc: mptcp: net.mptcp.pm_type is deprecated

The net.mptcp.pm_type sysctl knob has been deprecated in v6.15,
net.mptcp.path_manager should be used instead.

Adapt the section about path managers to suggest using the new sysctl
knob instead of the deprecated one.

Fixes: 595c26d122d1 ("mptcp: sysctl: set path manager by name")
Cc: stable@...r.kernel.org
Reviewed-by: Geliang Tang <geliang@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 Documentation/networking/mptcp.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/networking/mptcp.rst b/Documentation/networking/mptcp.rst
index 17f2bab611644727e19c3969fa08fa974c702d92..2e31038d6462051387be9bd8808a23230db08315 100644
--- a/Documentation/networking/mptcp.rst
+++ b/Documentation/networking/mptcp.rst
@@ -60,10 +60,10 @@ address announcements. Typically, it is the client side that initiates subflows,
 and the server side that announces additional addresses via the ``ADD_ADDR`` and
 ``REMOVE_ADDR`` options.

-Path managers are controlled by the ``net.mptcp.pm_type`` sysctl knob -- see
-mptcp-sysctl.rst. There are two types: the in-kernel one (type ``0``) where the
-same rules are applied for all the connections (see: ``ip mptcp``) ; and the
-userspace one (type ``1``), controlled by a userspace daemon (i.e. `mptcpd
+Path managers are controlled by the ``net.mptcp.path_manager`` sysctl knob --
+see mptcp-sysctl.rst. There are two types: the in-kernel one (``kernel``) where
+the same rules are applied for all the connections (see: ``ip mptcp``) ; and the
+userspace one (``userspace``), controlled by a userspace daemon (i.e. `mptcpd
 <https://mptcpd.mptcp.dev/>`_) where different rules can be applied for each
 connection. The path managers can be controlled via a Netlink API; see
 netlink_spec/mptcp_pm.rst.

-- 
2.51.0