From nobody Wed Sep 17 18:21:57 2025 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 4F1FD3596D for ; Sat, 13 Sep 2025 00:39:16 +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=1757723956; cv=none; b=X4rnEwJVxZ0mNW67D00NSXdS9H7oU+XTcn1/KdlZSfCOOKzTP9KRJ21l2vE7OZ4fwdgTSz8r3mL9uTXvWurS6NsLYinKyfSKTySxjx+v3HaUD8souavot0vnbPPUjwJsac+yImg8EhY1aQbjv19yC396iBqgaPk/1mwu0nrtda0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757723956; c=relaxed/simple; bh=giWibT3e82X+BfH9OMg5I4ljB81bq8LbLb1ZjqMgo3Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=toTK9jVV2CW0IVAB5PAmt6qk7nPbMSfPhiY5Hl6S1OZcoYPrSrsCYqF4R6Ey/pg6RV4ORI/CtOmIU8DQ2gQbMpAxDSoq22GTGlWw/QeWtCmtx3Oa+ialcAQDzbjk4bubkFRqhqUijvBIVrtVypgV2tIpjRYR/ojoiIFFPTVidto= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iyoU63yO; 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="iyoU63yO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2000BC4CEF1; Sat, 13 Sep 2025 00:39:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757723956; bh=giWibT3e82X+BfH9OMg5I4ljB81bq8LbLb1ZjqMgo3Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iyoU63yO19mVR0nGbBb2CyZ7t56to5j1wlU4s67EbhS/AFlzOU590MQxrpK9lzK59 skUP5v2fHVM3dkTFC5pRQfnn2ebU5XwUyWPpJgzeGWaDwdohUnUkbtUzpbYDLn35ir vZlHbAvuqYgyyj8e8qboM8Y26wVdtARHGgkaZF7rlGJS9jdPOwHgPzjWI5VDnjpcxm t733l55Zgen5OrLItgSQWo6dB0GDddlpRKwNV01XI+ywWKynRJS0FcESSRjfqiCgmS h86PBjc40keuojrTtJswpJr9BdC3/9zYwjpnMmyV3r7byywpKEq6dqcXM2r6HbtObS FkN0oDTB5q6Qw== From: Geliang Tang To: mptcp@lists.linux.dev, hare@kernel.org Cc: Geliang Tang Subject: [PATCH mptcp-next v11 7/8] selftests: mptcp: add splice io mode Date: Sat, 13 Sep 2025 08:37:26 +0800 Message-ID: X-Mailer: git-send-email 2.48.1 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 adds a new 'splice' io mode for mptcp_connect to test the newly added read_sock() and splice_read() functions of MPTCP. do_splice() efficiently transfers data directly between two file descriptors (infd and outfd) without copying to userspace, using Linux's splice() system call. Usage: ./mptcp_connect.sh -m splice Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_connect.c | 63 ++++++++++++++++++- 1 file changed, 62 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/test= ing/selftests/net/mptcp/mptcp_connect.c index b148cadb96d0..52c6696a13a5 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.c +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c @@ -51,6 +51,7 @@ enum cfg_mode { CFG_MODE_POLL, CFG_MODE_MMAP, CFG_MODE_SENDFILE, + CFG_MODE_SPLICE, }; =20 enum cfg_peek { @@ -123,7 +124,7 @@ static void die_usage(void) fprintf(stderr, "\t-j -- add additional sleep at connection start and= tear down " "-- for MPJ tests\n"); fprintf(stderr, "\t-l -- listens mode, accepts incoming connection\n"= ); - fprintf(stderr, "\t-m [poll|mmap|sendfile] -- use poll(default)/mmap+writ= e/sendfile\n"); + fprintf(stderr, "\t-m [poll|mmap|sendfile|splice] -- use poll(default)/mm= ap+write/sendfile/splice\n"); fprintf(stderr, "\t-M mark -- set socket packet mark\n"); fprintf(stderr, "\t-o option -- test sockopt