From nobody Thu Sep 19 01:49:51 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 5E91C1F951 for ; Fri, 26 Jul 2024 09:01:51 +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=1721984511; cv=none; b=IrFFLtyG9boTWYqqOa1O+d/jbac8c/D/WQ3Xp0/w2BugERLucj0Xa81d7L7UBryb80n2MA5r4d3cU0+hi/5zVMgf6VZubt3r0WDhGUAYJXijzl8mNWnWX0yJn2vOeXrTbzcyZu4JwMwq8F9prldOx7/iTc1fPpHHzv15msJBNJ4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721984511; c=relaxed/simple; bh=6LK+vWpXvXMPJCfqIGEmLGG1ZGT7sOEi4Qt/ngfpWWo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Yay3zMH1X5nE+m1x8pZXhP6tMcOdEVBzV0fr+SD/FQCXTJGNT0AjCVo+lBG/o0Iiy03j4PW5YN1iB2oZIRqIgevNmgPjoLjf4nV/GHjJNoT6dZ7jSRwW2mPrtHPxkx+XiA8v2c28UjuDELY4gIDbsCNWf0W+7CHIkopGOEJWA/w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iZ6hMPOi; 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="iZ6hMPOi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83C83C4AF0A; Fri, 26 Jul 2024 09:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721984511; bh=6LK+vWpXvXMPJCfqIGEmLGG1ZGT7sOEi4Qt/ngfpWWo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=iZ6hMPOig2uaRdcJ9E+UIL4VuKzCpUXXbd6L3XocHTqJMxUBUNBzrhC5f4aa0Stqf rf0ImqueVzkoXmNX8+Pz5qy/QdQ9f/jP0AMWLCx384gYKIj0VYTAnV7imPJ5v4Wnf+ AcqEklgwV2Qkr/Mb8NEIjGhWRUnG1b8Ufy/xgHk3hHD7hzCoBzn05ZQmkGZ3+NcVvz uOzw0jgaPrsokoI162aaTaWlZLFf8yRBuexQWjosCvMfTndArIuYanq1rxZJ9VYR/S dDW+MnZ9WeyzQFzHNgCRwldhj+2hSDSF5TuhMxDuZVbJCvYdoErv9jynXglJqOfIHC yTIbhnBdM9CnQ== From: "Matthieu Baerts (NGI0)" Date: Fri, 26 Jul 2024 11:01:38 +0200 Subject: [PATCH mptcp-iproute v3 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: <20240726-mptcp-user-feedback-v3-3-c6ba1f5fa13e@kernel.org> References: <20240726-mptcp-user-feedback-v3-0-c6ba1f5fa13e@kernel.org> In-Reply-To: <20240726-mptcp-user-feedback-v3-0-c6ba1f5fa13e@kernel.org> To: MPTCP Upstream Cc: Mat Martineau , "Matthieu Baerts (NGI0)" X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=937; i=matttbe@kernel.org; h=from:subject:message-id; bh=6LK+vWpXvXMPJCfqIGEmLGG1ZGT7sOEi4Qt/ngfpWWo=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBmo2X6hb7hBf5BqDFgUROYi1IL6cGU5DGXYdia/ 9qUn4gHxnWJAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZqNl+gAKCRD2t4JPQmmg cxS7D/41E8wKKmWb7zXxwri3Z1+UK73kNLt1wSimDCBHJagw23RKMZcjvL4ZJ45dBWj8p7GuVt3 V7OkMY1vSb3He4bCv5hbH+AelbbaYPXJ8RhWd/QvC+zfqys/E3pybarrBkc8TxxfluDpz/2+olg sixHAOgVP4dsQLnWfomjyzBXJb8+rilOfOrYa6/cQukmEGRORXFkHv5sTtI/WkxQrUk3BJQrXT+ nz6yriUmABnJVMXgRD/oKVbw7oQiSQGaRkamBAsXZVP26zTBCMg3/Ra/sHwO21sIPV/T3htksCD 4Ysc/bkTkHDuxxGFN1sKJ6h8twSgOV8o79XVvNQYM68WCpZYVVl1P7P9fVOYubvGxpMPmlyDQsh YjN1bdevqfoPPlj9lKvvfwajIpDHNW/7SG9xSaBsDH5PxupFMifZa7VJne3qY3ErSov4JYkwvrm m4dyDxvxgr51oJguEgkIbcB4pCD6QZUVEjjZqzaMtEkI5K9fU771SFdmTlKoGSDAEehrgRAUpHn 0Prt+o3LIW90CgkQ6ApETvCjHwUWKdOt9ZMIbt5RN14kjQL5xB1Is7VH7l9YJUBtNWTEEJcpgHA vYPNkZQVrwEqnX95vvL/GYe4DqD1BboK5dVnafc8A1XN2Qzusmg1KqfnLBCPkgtQAZOyM1uEdDp 3TDeJqWgow3XZ7g== 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. 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