From nobody Sat Apr 11 12:44:54 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 5442F86329 for ; Thu, 9 Apr 2026 20:52:17 +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=1775767937; cv=none; b=XNv24csoB6Ytzo2kKy90JhVmg+qvXqy8tfKvz3/VqENrwBQ+EaRCzXh5O3FedzqV1L7VO2Cmas0i1SFP9fI8muCkMkkNmQkQC+SGbDPQL8giOMuSfRbQv/yBYUczKbOgwod9izayqdyVFcWGLkjZebfzrdbse8ZR3J2TtN7Y9Bo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775767937; c=relaxed/simple; bh=0wHmk6A4DRGr56r/kPjXDjlut04j2hg65yYWe+lbaFw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ebZnH14Azv6zCcEypZpkjLg7RX/4StB9jANztPDXEKyglm6Y4G7YFfXHys2xCE295kFxHXAbAI7yCIhOu4g34GJMnhcImPOqHlgmUfAEiII6qWK+QBRNgy9Z62QrvNWHsZfKV0DEEBWX7hBEndjmABibY6WrmrM7erEtHAQf/d0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=loJKg2nv; 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="loJKg2nv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D538C2BC87; Thu, 9 Apr 2026 20:52:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775767937; bh=0wHmk6A4DRGr56r/kPjXDjlut04j2hg65yYWe+lbaFw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=loJKg2nvy+x/PFXvZxr3MoXYEjquX31kvrGAocNyRFHEWGfNJxRTpdeOh2S6eu6K4 BpVek3/KcVxkvPsgB/j8F7TlUnr+Ka6D58BPVo33lbPk+NpmGTcJ2Jg2ELKyUCZDVz jcNX9/9VXQfrBCMMou54NKuX2K9sPH4Z+niQ8c7rVhsb+M6WtFN/Gtz8hlCcJd2M3I gkTjoZVs8pMTXoXAz6iC91a8FhEDz4OCbI77iZ6zKz3dU29BVHDnwEQH5TZX2+e9Hb iDsA0z5xMyxwwQamCmY0itDiXXELRLyokFhXrl4LQB6fB2m7AeyBRV/CtlxZUQx7gR NboDUvgEgfJMw== From: "Matthieu Baerts (NGI0)" Date: Thu, 09 Apr 2026 22:51:46 +0200 Subject: [PATCH mptcp-next 06/16] 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: <20260409-mptcp-inc-limits-v1-6-0e45fa30d914@kernel.org> References: <20260409-mptcp-inc-limits-v1-0-0e45fa30d914@kernel.org> In-Reply-To: <20260409-mptcp-inc-limits-v1-0-0e45fa30d914@kernel.org> To: MPTCP Upstream Cc: "Matthieu Baerts (NGI0)" X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=747; i=matttbe@kernel.org; h=from:subject:message-id; bh=0wHmk6A4DRGr56r/kPjXDjlut04j2hg65yYWe+lbaFw=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGDJvCBZ/dlpb2PiUIWPFl5WbXHe5T9vZK5i+edYF2wkq8 /dzKR6P7ihlYRDjYpAVU2SRbovMn/m8irfEy88CZg4rE8gQBi5OAZiIfg4jwwWTR45S8UkWl6Nb noqxCH38oZx1pyFL6O/LH/fnrjt4/CsjQ/OyvZ5citx/9TNuGZsl73ngWPlwd7g1k2KQcNKeRIe 1bAA= 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 e954dc46e6bc..beb06213585a 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -307,6 +307,9 @@ 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