From nobody Sat Jun 27 15:06:34 2026 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 DBE913CCFB6 for ; Mon, 13 Apr 2026 14:12:12 +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=1776089532; cv=none; b=u4UIb8cpm2+SeKlfB1Hxr6tuPI57PSq3cunfomJLfe6jGKEIj/vlY1RRzJv81AWV5h+MWvp+1+X9ck8Ca+5C5mF736CuUSEXH0TGCh1f37W0quiPLNfFojzTA89g/wGjVvfbhiLgD4xMU5OJNYIOtmvk9WN5lm4tKo8zSbxxz/k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776089532; c=relaxed/simple; bh=CsvRWitzZn6GxqMqgzfxKxMcX9py9XEG9S6Y+8biWXc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lKVhoy4rELnXWy1ONvOyXgr3sXN/NKA2yZQ4GKtPstWuJYKXMTG2UgU7ZcAL0hVfzLZUswaKFWoprqOkoC9cfzZxDYPSZdLTbl1PhWJ3qCQWOGhymaj+zS6or8dsYpzBJcHwPUTthA1MFNZCo+E8lsmUK/19CCAeh4MtW//3w7E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TpaBK+Ar; 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="TpaBK+Ar" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30C9DC2BCB6; Mon, 13 Apr 2026 14:12:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776089532; bh=CsvRWitzZn6GxqMqgzfxKxMcX9py9XEG9S6Y+8biWXc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=TpaBK+ArGYR8uIkJDSgAkiJvAvooyxFUYhd3SQGsnPdOUTijB8zr9OGza04mWxxtg TjuyqbKD8gnMCN0wS/eDehGUU8NGUmCYH0UO5fSa4VO8u0oJ9t3JNRkPsK7MbViBuT pNUx6y/hjzPhmpdrme3gcY5JOWYPnYWPWDLh8jyKDRMSGBdr8aqLUvf4wHx/q0tRdJ LIZiaq+gvzLwVKnewX6qmiGw5Z1SPg24LK1ZeLL0H4jngfg+TdF4Sm1WxjZ8wJtNwK WI3h1SAk2vXSnV5Anw/+QhGOemV1L4z7PjRPqx8bZujjslrQ6NdGYWnMjK2R4V7x7w s5NUWbwullv1Q== From: "Matthieu Baerts (NGI0)" Date: Mon, 13 Apr 2026 16:11:54 +0200 Subject: [PATCH mptcp-net v3 08/19] mptcp: pm: retrans ADD_ADDR: return early if no retrans 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: <20260413-mptcp-inc-limits-v3-8-dd36c9360432@kernel.org> References: <20260413-mptcp-inc-limits-v3-0-dd36c9360432@kernel.org> In-Reply-To: <20260413-mptcp-inc-limits-v3-0-dd36c9360432@kernel.org> To: MPTCP Upstream Cc: "Matthieu Baerts (NGI0)" X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=747; i=matttbe@kernel.org; h=from:subject:message-id; bh=CsvRWitzZn6GxqMqgzfxKxMcX9py9XEG9S6Y+8biWXc=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGDLv/FxbL++7LuCGoFMQU4n5DJfP7vqPqp3Td2nebZs5w TOkM8umo5SFQYyLQVZMkUW6LTJ/5vMq3hIvPwuYOaxMIEMYuDgFYCIvPRj+Cn8LWn2r4vnKl6uO XVptpHjm8OHu7Z/sRMLU3Q8cvSfReIXhf8KhxxuWNP0JLbx99w1nlK6IwWVlWbVmiYt8jK+Ob/s 4kw8A X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 No need to iterate over all subflows if there is no retransmission needed. Exit early in this case then. Signed-off-by: Matthieu Baerts (NGI0) --- net/mptcp/pm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index e2d62131023c..b3c4a6c75c27 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -308,6 +308,9 @@ static unsigned int mptcp_adjust_add_addr_timeout(struc= t mptcp_sock *msk) struct mptcp_subflow_context *subflow; unsigned int max =3D 0, max_stale =3D 0; =20 + if (!rto) + return 0; + mptcp_for_each_subflow(msk, subflow) { struct sock *ssk =3D mptcp_subflow_tcp_sock(subflow); struct inet_connection_sock *icsk =3D inet_csk(ssk); --=20 2.53.0