From nobody Mon Feb 9 20:36:24 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 E0E9D29993E for ; Mon, 2 Feb 2026 09:22:04 +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=1770024125; cv=none; b=UKP5MGQ+u0vQlgh3MICeESJTHvFStJzwGkYYIcs5drJrZ7JBHhanC/eM0x+aIF4kPEr1BvdL2+j4LMwgCS1fNpZxfUWMkszSs2KXfqb4odvdO+e2xtbj3JCdaAME+jRkbD1y+9D43C9zKPC4qtq5ajf/CXz050CkTmmw8MXuGaY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770024125; c=relaxed/simple; bh=CaLBCBga42CsLOU6PcsL5+S7QjugBExe4T/ZY/Qh0Js=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uC4bLDtzZA1Su7KNtQRjF95TNy5VZx1N48I26Qg+lBNU80WOXjhQ5QH8P441eb3w8XPr7OR/8NePSJgFIJe9M9qw4Dn8c00Ovc7aiJWdk8sgsa8GyKcky1K6k0aC7F6ov7LtShg5iKB0dh4vmis2i9M6F9Kb1Zp0/gJ8c/INo9k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DAVwamP8; 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="DAVwamP8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96122C116D0; Mon, 2 Feb 2026 09:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770024124; bh=CaLBCBga42CsLOU6PcsL5+S7QjugBExe4T/ZY/Qh0Js=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DAVwamP8iqbUDp1ehCPTOtN92rnzv55ZV7dQRjdKRD69u+Ftfh771OjHvXlP+vlBS eA7D5NYeCjvLU/OuUlOG8TGNQwSRl/q62YP8gw+dgVf5ZCMt7KEJ5I+usmR+vlHmX7 JiWf0BsCrls9SxvSwo38zpgtuEJmPWp4ohy/PPkXpCP7OKQ+3SXSYPieT8zzySrqDn g+vc2Ny9RDOIMUIK3rYVQ2HjvFJd2K4TzLXxz3ypCCkxNQysW+WtQSwRGwYvD9Am3Z KCumGf9KotTYwe9HXUoMzVzW7GP50LD321WLAHoVpeLr1GslmXU2ZOa/hA9c8wKFES llC42rtkKlmTQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 1/3] tcp: export do_tcp_splice_eof Date: Mon, 2 Feb 2026 17:21:49 +0800 Message-ID: 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 Extract a do_tcp_splice_eof() helper from tcp_splice_eof() and export it to net/tcp.h, so that it can be used in MPTCP. Signed-off-by: Geliang Tang --- include/net/tcp.h | 1 + net/ipv4/tcp.c | 8 ++++++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index cecec1a92d5e..9564fd7b73c7 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -370,6 +370,7 @@ int tcp_sendmsg(struct sock *sk, struct msghdr *msg, si= ze_t size); int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size); int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *copied, size_t size, struct ubuf_info *uarg); +void do_tcp_splice_eof(struct sock *sk); void tcp_splice_eof(struct socket *sock); int tcp_send_mss(struct sock *sk, int *size_goal, int flags); int tcp_wmem_schedule(struct sock *sk, int copy); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index ae0000215ff4..80d374fe6543 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1468,9 +1468,8 @@ int tcp_sendmsg(struct sock *sk, struct msghdr *msg, = size_t size) } EXPORT_SYMBOL(tcp_sendmsg); =20 -void tcp_splice_eof(struct socket *sock) +void do_tcp_splice_eof(struct sock *sk) { - struct sock *sk =3D sock->sk; struct tcp_sock *tp =3D tcp_sk(sk); int mss_now, size_goal; =20 @@ -1482,6 +1481,11 @@ void tcp_splice_eof(struct socket *sock) tcp_push(sk, 0, mss_now, tp->nonagle, size_goal); release_sock(sk); } + +void tcp_splice_eof(struct socket *sock) +{ + do_tcp_splice_eof(sock->sk); +} EXPORT_IPV6_MOD_GPL(tcp_splice_eof); =20 /* --=20 2.51.0