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Message-Id: <20240727-upstream-iproute2-net-20240726-mptcp-man-user-feedback-v1-6-c6398c2014ea@kernel.org> Date: Sat, 27 Jul 2024 12:10:35 +0200 From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org> To: Stephen Hemminger <stephen@...workplumber.org> Cc: David Ahern <dsahern@...il.com>, netdev@...r.kernel.org, MPTCP Upstream <mptcp@...ts.linux.dev>, Mat Martineau <martineau@...nel.org>, Geliang Tang <geliang@...nel.org>, "Matthieu Baerts (NGI0)" <matttbe@...nel.org> Subject: [PATCH iproute2-net 6/7] man: mptcp: clarify the 'ID' parameter Explain the range (u8), and the special case for ID 0. The endpoints here are for all the connections, while the ID 0 is a special case per connection, depending on the source address used by the initial subflow. This ID 0 can then not be used for the global endpoints. Acked-by: Mat Martineau <martineau@...nel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org> --- man/man8/ip-mptcp.8 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/man/man8/ip-mptcp.8 b/man/man8/ip-mptcp.8 index 4c1161fe..e4a55f6c 100644 --- a/man/man8/ip-mptcp.8 +++ b/man/man8/ip-mptcp.8 @@ -148,7 +148,11 @@ expected behavior. .TP .IR ID -is a unique numeric identifier for the given endpoint +is a unique numeric identifier, between 0 and 255, for the given endpoint. It is +not possible to add endpoints with ID 0, because this special ID is reserved for +the initial subflow. For rules linked to the initial subflow, the path-manager +will look at endpoints matching the same address, and port if set, ignoring the +ID. .TP .BR signal -- 2.45.2
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