From nobody Sun Dec 14 06:42:06 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 9B7802F5B for ; Wed, 30 Apr 2025 05:49:57 +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=1745992197; cv=none; b=H0YUHiH5061eJZfhMpYylphq6JGd2fUzW+idMzwiWya8TDRjvIHKoOZ24lH0o61AA+his3mbn8waNuWykp745fcwE4BVts2QNDv7+xc6j/f2AvqTrORHdeGcn2HLzQsbYC3g35eeIggYXWuotKPq+Me98UwNLkfOBTjhoa61+60= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745992197; c=relaxed/simple; bh=igiezey9IHpi5LcP8v/etVFyBzpmKtLj4SdEiY/jDyI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=f9bllIqyJF44xDkbcRuWAfHdBvUGQlVBbZ/8so/dX7p/LniuREFMQAqaoxwlxwYC6wd7pFcmkqVuEZP6RdVtZ9oOwlx9YruHZCJFE2+At4LsFE9PUdNgot+DQnJkRA/oiNeFwHHSKS6CAeEKXHX38mtOQRx2hl8l8KfN15eBHfg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qtz/rEQy; 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="qtz/rEQy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2044C4CEE9; Wed, 30 Apr 2025 05:49:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745992197; bh=igiezey9IHpi5LcP8v/etVFyBzpmKtLj4SdEiY/jDyI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qtz/rEQyWEhOEPSjbSk+b4ocIY55PflzRdtjxo+aGtEzbll7JlSDOCexkMBnGqIjA ZWsBT6Iu9AGvTMeMAvloNDM/BRLojhad/E3ven2dOQaqM0YJA9Rp+xtzcPp3j2G3k1 vzkYePqAyOlLm4bvq/F/vLc8iR0z8798ZP9IPk4p0B3I49u676AaxMIQWWQWGvaAlt /C45nY6XYEAWlgEsUUzK5/V6+LPLhR5b+gnFGZLKjjP6WntwB9mjyymB3KSfCHSSpl vGBVCacrHnc2GrnhF9HYhNwiF25No+f9s5nsEPlZrvo34LrkWTmZGJclE8eF0G2hAV NGCOV9JjuJWNQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next] mptcp: validate maxseg sockopt Date: Wed, 30 Apr 2025 13:49:46 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 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" This patch validates the newly added TCP_MAXSEG sockopt. Signed-off-by: Geliang Tang --- gtests/net/mptcp/sockopts/sockopt_maxseg.pkt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 gtests/net/mptcp/sockopts/sockopt_maxseg.pkt diff --git a/gtests/net/mptcp/sockopts/sockopt_maxseg.pkt b/gtests/net/mptc= p/sockopts/sockopt_maxseg.pkt new file mode 100644 index 0000000..62492db --- /dev/null +++ b/gtests/net/mptcp/sockopts/sockopt_maxseg.pkt @@ -0,0 +1,20 @@ +--tolerance_usecs=3D100000 +`../common/defaults.sh` + +0.0 socket(..., SOCK_STREAM, IPPROTO_MPTCP) =3D 3 + ++0 bind(3, ..., ...) =3D 0 ++0 listen(3, 1) =3D 0 + ++0 setsockopt(3, SOL_TCP, TCP_MAXSEG, [1000], 4) =3D 0 ++0 getsockopt(3, SOL_TCP, TCP_MAXSEG, [1000], [4]) =3D 0 + ++0 < S 0:0(0) win 8000 ++0 > S. 0:0(0) ack 1 ++0.01 < . 1:1(0) ack 1 win 8000 = ++0 accept(3, ..., ...) =3D 4 + ++0 write(4, ..., 100) =3D 100 + ++0 > P. 1:101(100) ack 1 ++0.01 < . 1:1(0) ack 101 win 256 --=20 2.43.0