From nobody Thu Oct 31 00:25:03 2024 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 554E958203; Sat, 27 Jul 2024 10:12:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722075144; cv=none; b=CucZ9uw1Cvxbd1QUKjK7bSvGiACYf+0G8H0fkSPA6KovcYwO1oitiq45qmRE0XxdCkTErRFLWkoXCnOHbGkJnx/+JpVqwFhOPlXTtKvU/tPWE27IjufDfbdHuRN1dQoGccwaPtVnmsKizfGkX/Air1k0PlIKgcLygNeH7ab7T2I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722075144; c=relaxed/simple; bh=Eg4C6ZPAfMWBhmGpVUvBdOM2+OEckNAuop6FhUHVt60=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AbE7Zo40iqK00zLzregVEK73Z6GFfXi/QjaDSkWHi5M0MNtu0D3O8e8HJB4+BToNLgpW1MTcfsw5WZQk6D4UR4pmh0SEEHolAkmODt054rKeSpRPb/ComMlVZxpy4ONPpzHWK27Nkv/Ljg6avmt08eQOWCmV1Wpk9WIKAlUiO/A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iwu4cLMe; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="iwu4cLMe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B61F1C32786; Sat, 27 Jul 2024 10:12:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722075144; bh=Eg4C6ZPAfMWBhmGpVUvBdOM2+OEckNAuop6FhUHVt60=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=iwu4cLMegLousCQrzmVYTo6b7P9hDlSmVBy+0CNxJfxAu/FxOv5aOhZbhQMkqGj4g onPRUA0edxf3YFmcby1R6kvXl5TLAqa/OTdg3fHjceaRn/Lbb1HccfClBAg5/rKzcH Aywz/A50K5YTX1sUzQCBtdL0bjX3HuMWoqg7sd1KxngLApiGNlGX3KQs/dF7/iMRGB QMUqF5W56NDDqla3ftOWpbIT27gKkHx5ziUpHQe7z1B9mCJqKJ7xHxHh0/CMgWN9bY V1hYz6NNlbUnRfZg6rDdYoP+D/AA6uHrrZStPIm1QbGf6KZklCWSkkIPXkihwnjvKB SfVeV6er4Oq7g== From: "Matthieu Baerts (NGI0)" Date: Sat, 27 Jul 2024 12:10:32 +0200 Subject: [PATCH iproute2-net 3/7] man: mptcp: 'port' has to be used with 'signal' Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240727-upstream-iproute2-net-20240726-mptcp-man-user-feedback-v1-3-c6398c2014ea@kernel.org> References: <20240727-upstream-iproute2-net-20240726-mptcp-man-user-feedback-v1-0-c6398c2014ea@kernel.org> In-Reply-To: <20240727-upstream-iproute2-net-20240726-mptcp-man-user-feedback-v1-0-c6398c2014ea@kernel.org> To: Stephen Hemminger Cc: David Ahern , netdev@vger.kernel.org, MPTCP Upstream , Mat Martineau , Geliang Tang , "Matthieu Baerts (NGI0)" X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=985; i=matttbe@kernel.org; h=from:subject:message-id; bh=Eg4C6ZPAfMWBhmGpVUvBdOM2+OEckNAuop6FhUHVt60=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBmpMgAEkZxKixtdp2t675k2vJgI7nBO1CLg0pun BjlXAeaeBGJAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZqTIAAAKCRD2t4JPQmmg cwVgD/9IDhs50LM5foYRFi8M+HJ0TMK9zVqaaj1eFrGogYndUZVJce8bRBlraPSyGehhw11XSlY dXBSgxKNqeFDNbdDzip3y8/5c9KdydtLuDTa1hEeO8daA5cZLKWgcNxkcHu29qnlzyWKVE+Tllx JZX2nASb3EfAGz8nWbd2LtjNPyOfgR507E3KdCZQfzoDFQ8fLCqab3HfbV7LCdf0oWfhc5Erak6 V8/Ct2IbDQn5dlQHVLI+09cY+NQeKE5J7Do50WWFSrEseCx82C+vtiplLJY2D+kn4N30miWX1ua lcZsNlaAuNY4vhiGccxmct891soE+xd8zKX3TPcSM9b+9GP3GK/WRND37YechOqhPdQt8ehsvsu 8gIhzeWSUsBo4H5MFDzZ6a6X02h9N5220/2mTqrUrg7Kl291lu0Lde5yzh9j6a0QkeHNUvLEoeo Eoen06CJa2GWQ8QpRbeZLCk/BvmMT++PPZEthLV+qcKzOMMDzzoD+qooJudJIQ5yeaC1okuIad/ K57Cob8ag+IZHj7sHSLDDMhoyJm3+UPWdcASsKIbHWQGz8L7ybYFu/HyM9+YohjZHTSeEN/IYnx pGvLPXusuk7fxaLHF7Rs7PBc4AjZS7RM1lCEZRoPaEkXrXQCfxi+6dkg/iHIbcx0P8ETl/kRA6/ Xp4ELsC+j7pXT8Q== X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 That's what is enforced by the kernel: the 'port' is used to create a new listening socket on that port, not to create a new subflow from/to that port. It then requires the 'signal' flag. Acked-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) --- man/man8/ip-mptcp.8 | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/man/man8/ip-mptcp.8 b/man/man8/ip-mptcp.8 index 2b693564..11df43ce 100644 --- a/man/man8/ip-mptcp.8 +++ b/man/man8/ip-mptcp.8 @@ -133,7 +133,10 @@ is 0. When a port number is specified, incoming MPTCP subflows for already established MPTCP sockets will be accepted on the specified port, regardle= ss the original listener port accepting the first MPTCP subflow and/or -this peer being actually on the client side. +this peer being actually on the client side. This option has to be used in +combination with the +.BR signal +flag. =20 .TP .IR IFNAME --=20 2.45.2