From nobody Tue Feb 10 12:59:17 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 0B4E22C032E for ; Mon, 2 Feb 2026 09:22:06 +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=1770024127; cv=none; b=R/8fRRRpEohOGQpqoIKksFzqpF7m9IMAIvNKn3gsuy95O4dfBv6Tlyx6RMcizl/CkGhH/XITgkXrkGdDSumsxVk3N+BwU0phnYhc5KTScasgWEntmLhwRAQQifQSepikE0F09LFBg+iyMEdBD2rSBSN/LvKdt918Otlu6XuCrpg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770024127; c=relaxed/simple; bh=SSKgcmQCzsRkGbWx/PhgVdINC1OAKmnrTv959idBzyw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZVZeDi0PJFcwiXXeQ7/xS2sPGRS4RlujNLW/tbSdF1rFrhrDKqoXTSLBfQ0ROg/se9TBfFqPjiXJLvraJCOtdLYguDWnQVx+zmLoP+musRtYZ/rHw3Y0XYaPQRgMrTKsTtCURyYUpRyhXTW6ZXm7lW5idm60v2bf7w7gxaVgJD0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WngQiKw5; 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="WngQiKw5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D27FC116C6; Mon, 2 Feb 2026 09:22:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770024126; bh=SSKgcmQCzsRkGbWx/PhgVdINC1OAKmnrTv959idBzyw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WngQiKw5fDodeOe64W3LhWxjEMBw0PCCzeHXUUDf6C+7fZRLVv03KWf/LGpEQWoDi mTxDuYfnELVYezgN3kouZZWnLz3EV8p7TF+g4Xk95f6yJ33vkxnBf22doOnoZQWrPN Aae6Kz17gUKOghpydYyYPgg4o7OoAfGyFcOKpQqvNlLln5ibTeKIIhJt2n/h/wZEHB OIB/Y3o7TO62bTuM1e32gk0lL7knjBoItWkPMSiBUu2poseRcwUS5K1psyGcD3WvTr yzu/bz77v/1cOfj1XNWO6BeiwX1oHxFl+sjvIQxD9e95fNHax7DkbH4aizCJI0aRDY vGxprLJs5f16g== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Matthieu Baerts Subject: [PATCH mptcp-next 2/3] mptcp: implement .splice_eof Date: Mon, 2 Feb 2026 17:21:50 +0800 Message-ID: <9e3dddfc65f24c1a11e5f0353b497f1d4f1c6f82.1770023932.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang This patch implements the .splice_eof interface for MPTCP, namely mptcp_splice_eof(), which sequentially calls do_tcp_splice_eof() for each subflow. Suggested-by: Matthieu Baerts Signed-off-by: Geliang Tang --- net/mptcp/protocol.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index c88882062c40..5635d196cb9f 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -4018,6 +4018,20 @@ static int mptcp_connect(struct sock *sk, struct soc= kaddr_unsized *uaddr, return 0; } =20 +static void mptcp_splice_eof(struct socket *sock) +{ + struct mptcp_subflow_context *subflow; + struct sock *sk =3D sock->sk, *ssk; + + lock_sock(sk); + mptcp_for_each_subflow(mptcp_sk(sk), subflow) { + ssk =3D mptcp_subflow_tcp_sock(subflow); + + do_tcp_splice_eof(ssk); + } + release_sock(sk); +} + static struct proto mptcp_prot =3D { .name =3D "MPTCP", .owner =3D THIS_MODULE, @@ -4049,6 +4063,7 @@ static struct proto mptcp_prot =3D { .obj_size =3D sizeof(struct mptcp_sock), .slab_flags =3D SLAB_TYPESAFE_BY_RCU, .no_autobind =3D true, + .splice_eof =3D mptcp_splice_eof, }; =20 static int mptcp_bind(struct socket *sock, struct sockaddr_unsized *uaddr,= int addr_len) @@ -4540,6 +4555,7 @@ static const struct proto_ops mptcp_stream_ops =3D { .set_rcvlowat =3D mptcp_set_rcvlowat, .read_sock =3D mptcp_read_sock, .splice_read =3D mptcp_splice_read, + .splice_eof =3D inet_splice_eof, }; =20 static struct inet_protosw mptcp_protosw =3D { --=20 2.51.0