From patchwork Sat Jul 27 10:10:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthieu Baerts (NGI0)" X-Patchwork-Id: 13743706 X-Patchwork-Delegate: stephen@networkplumber.org 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 62EBD55E58; Sat, 27 Jul 2024 10:12:22 +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=1722075142; cv=none; b=lqLuNI2drOuztF9PxsaiTIQRyhpxXXVZtHF7vK5FAzuojHGHLKS/mpa4tVAeh0SqwCWuLIM/z/w1Se9n9pRMLqQPiO87H+2PFXJUV8zgVbxdN7sxukQPd0yfJeZJmH3xBC0FGJtKUYg0hKbx2RJDdkrcrR6GLEE3H96LjDtliJA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722075142; c=relaxed/simple; bh=c+fr862AGNGG8UQ/xKpCft+CWaGk6C9gagkc+WEPBJc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=aEBlKu1b0MQrO5C5Zu+tWVAdXxoy5FtqA0HWOplOt2VJgrX6cnUXzeDXHb/H2dV+t4FHPVS6sLFuJ3tM+v2OW5cSckDSdKf8JPRMF4QgYQMV1dSekyL9UidZnU/BgvHOrD+CITMcrtMVzmZzQ4V8OjPEeY5FR1DFCgEbOFp66Q4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oI6qqdfy; 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="oI6qqdfy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2B7DC4AF0A; Sat, 27 Jul 2024 10:12:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722075142; bh=c+fr862AGNGG8UQ/xKpCft+CWaGk6C9gagkc+WEPBJc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=oI6qqdfyDR54b7/EZ7KCQZcJwzHm299xOi0RlUfuNEWiUN4btEA9wrjDXj4FXroH9 z9XpgAcd0D5DRb9WXMhfC4ZX9cKfv/kiaD1nwmXvZ9Ejz8NBYl3Nh6eJmXrX3uxV5/ CLZn6dbYXbxI1mlusQPxQMUAqFzlfFWcWXoCeW3xapU7QtWLaBdME0raO0YbUh2H4Z IJWHQ1sfPUp7WzIYvKFCVLr9bMZgyrxbBB70yT4CqTnYA/2PzwkzgoAlxA1Eaj011c ln9c4p+C81a98NN/YWXdZRU705O7Xh3KeXClmtI5SRBv8allDwY9SoMKzEIYgppe4m pZLYVeijJLUrg== From: "Matthieu Baerts (NGI0)" Date: Sat, 27 Jul 2024 12:10:31 +0200 Subject: [PATCH iproute2-net 2/7] man: mptcp: clarify 'signal' and 'subflow' flags Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240727-upstream-iproute2-net-20240726-mptcp-man-user-feedback-v1-2-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=1535; i=matttbe@kernel.org; h=from:subject:message-id; bh=c+fr862AGNGG8UQ/xKpCft+CWaGk6C9gagkc+WEPBJc=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBmpMgA900tEZBs4VqKQyj2dPfNMRPxRdJalSzp/ aNag84jr5GJAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZqTIAAAKCRD2t4JPQmmg c9T7D/kBnmTpe5cBnHSR4wZCzUV90Ky8LF1Mavg3Ri9vRXt0C11GlfEDEwaLJtM5bYYhbLAa6In syEoA1QWt0hw4shDbE/plEiybmWZYa9jgFgWTthAczMuNN5MBYpcba/qDXK3smxcvJq9GGZt1Q3 EB6/BmM6lqPwVlD4ZSLdrU4dnfQHukRC7s6GNVCB4O1pGcz/cgj732rQtjaTUtPDEmnA3kdLdfI ulnTB6vWQw+iYlibz/oQXW418DMoltoWgQBFMsLZokf/g8Z8EWglOjfO5FHRQ/UErh6ltcQmtma Fjvs3rmmfXgqOyATNbq91W1IjyBGRZ+o5lOe1w8zlIWAouc/LjRbn/2fhdPLNU71hcwDIPhkWuO dGVQAWXB104CyBJK02o5jj4yhGzxvdcPpjXe/sweYPlgIpBJhmx2oujm6QtcMd/QRch6D9m6EOZ NEc2Z+aGcMm24URaQKhZaZ+eU3jN0Rhc47cxdChIh8UDgaafRkfSrzJ9JSsJrV+3e4Tt8XyDgFh QY2BYkZByHVg1OEbyUbFlRAgK2SjPJyACTtqDrMG6DZfNf8e10sIOw6Dczn+jz30ODEgC4iidr2 jKZC+DedVTSV8OPB6eEvoZQh8/p525PkNtygTMrva/mRsqW5dHG+9JBQVHVs8otvi7ZRNcPjzU7 mXVXffEnb/+ZldQ== X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 X-Patchwork-Delegate: kuba@kernel.org According to some bug reports on the MPTCP project, these options might be a bit confusing for some. Mentioning that the 'signal' flag is typically for a server, and the 'subflow' one is typically for a client should help the user knowing in which context which flag should be picked. Acked-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) --- man/man8/ip-mptcp.8 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/man/man8/ip-mptcp.8 b/man/man8/ip-mptcp.8 index 89fcb64f..2b693564 100644 --- a/man/man8/ip-mptcp.8 +++ b/man/man8/ip-mptcp.8 @@ -150,7 +150,8 @@ is a unique numeric identifier for the given endpoint .TP .BR signal The endpoint will be announced/signaled to each peer via an MPTCP ADD_ADDR -sub-option. Upon reception of an ADD_ADDR sub-option, the peer can try to +sub-option. Typically, a server would be responsible for this. Upon reception of +an ADD_ADDR sub-option, the other peer, typically the client side, can try to create additional subflows, see .BR ADD_ADDR_ACCEPTED_NR. @@ -158,7 +159,8 @@ create additional subflows, see .BR subflow If additional subflow creation is allowed by the MPTCP limits, the MPTCP path manager will try to create an additional subflow using this endpoint -as the source address after the MPTCP connection is established. +as the source address after the MPTCP connection is established. A client would +typically do this. .TP .BR backup