From mboxrd@z Thu Jan 1 00:00:00 1970 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 4A1E440B6F7; Mon, 11 May 2026 15:46:58 +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=1778514419; cv=none; b=Ec1CQneYGS6xC/By+0yWyfH1keKycV2WkwvoNwKzUnaQ2+T2RoiXUjoWu20WvS/5PnjqD05QlqI8nOCm9NUIstSSRpKhsnk89758NhlzhZRBkF88Qu57So2q+BGpjpn4hb8CjZZhjTpO4cia7xjBSLkM2IZ0MDCXpucwQgP7VrI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778514419; c=relaxed/simple; bh=HAqn1a+1m/18t3HW1mWpO6nHBtvV4r5btqoAhjlEJO4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=riuuAVFcZEthe2vRDHcoGz03CSV/5W3+UmhO6gwBdy4o9R73uBK18ddcrQQ3tB9nThrwz9WoLWsNf3IkehqLCZCD5Usr3GlgaeddqhRqYF+yuhcwhD9/LakJ96Ew6sjAhhEIFTKfKNx9Q3xhAHpJx/1ykQlMnP/xTOcThnb7lR4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cebHIjI1; 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="cebHIjI1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E93DC2BCB0; Mon, 11 May 2026 15:46:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778514418; bh=HAqn1a+1m/18t3HW1mWpO6nHBtvV4r5btqoAhjlEJO4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=cebHIjI1t4M/EePTm+I+Z7Dddz+1w5O5adBufhmTu1EuL2twaemVcQejgv7d0k60l ntbDVawsKFkvbNUd3Xu2MhfsBGTOOhfBGwjUpLrfHr1KWWAocJ/P+16TWK1fBLlK/G D8n8H183GtPC/ZZTpR82SXxqFf7mrWOzf0NGymUp25y+xm6WwONu6ijCdJ8D61LM23 3F9pe9k7HQuTWbqdCU5ceSiJq7bioPJ7paNL7/keomMjXAmzeki6JLuQ3npurl8+PO b5/dNZj894Da5gmU2nqAymNy9GJQPdMMAGq3e3oA7L0b9im+xjiJHyBIBSwzA0lZn0 odk7nlrWKl8RQ== From: "Matthieu Baerts (NGI0)" Date: Mon, 11 May 2026 17:46:29 +0200 Subject: [PATCH net 3/5] selftests: mptcp: join: cover ADD_ADDR tx drop and list progress Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260511-net-mptcp-misc-fixes-7-1-rc4-v1-3-5ee57cb2b7eb@kernel.org> References: <20260511-net-mptcp-misc-fixes-7-1-rc4-v1-0-5ee57cb2b7eb@kernel.org> In-Reply-To: <20260511-net-mptcp-misc-fixes-7-1-rc4-v1-0-5ee57cb2b7eb@kernel.org> To: Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: Eric Dumazet , netdev@vger.kernel.org, mptcp@lists.linux.dev, linux-kernel@vger.kernel.org, "Matthieu Baerts (NGI0)" , Li Xiasong , Shuah Khan , linux-kselftest@vger.kernel.org X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2117; i=matttbe@kernel.org; h=from:subject:message-id; bh=/orNxmenZ9vHQomKpdCaVKJWq+BaFJUdd4uWduQYZew=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGLIYfz5lm/XdbW0ZL9fRlqsxqfwSib/av78vMdjQXFa64 dqSj8F3O0pZGMS4GGTFFFmk2yLzZz6v4i3x8rOAmcPKBDKEgYtTACaS9J7hf+bRsBKNzQIT1q69 17jdoTaUzfnarW26a36Yz25MrN/65QTDP7X088uv/pmYqs200XKz4CNOrX8TI6arnE58wraMfU3 kFz4A X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 From: Li Xiasong Extend add_addr_ports_tests with IPv6 signaling cases that exercise ADD_ADDR tx-space shortage when tcp_timestamps are enabled. Add one case to verify PM still progresses to later signal endpoints after the first one is dropped. This covers both failure accounting and the non-blocking behavior of the announce list after a tx-space drop on pure ACK. Signed-off-by: Li Xiasong Reviewed-by: Matthieu Baerts (NGI0) Signed-off-by: Matthieu Baerts (NGI0) --- To: Shuah Khan Cc: linux-kselftest@vger.kernel.org --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 31 +++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index beec41f6662a..5acd12021e6e 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -1828,6 +1828,22 @@ chk_add_tx_nr() fi } +chk_add_drop_tx_nr() +{ + local drop_tx_nr=$1 + local count + + print_check "add addr tx drop" + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtAddAddrTxDrop") + if [ -z "$count" ]; then + print_skip + elif [ "$count" != "$drop_tx_nr" ]; then + fail_test "got $count ADD_ADDR drop[s] TX, expected $drop_tx_nr" + else + print_ok + fi +} + chk_rm_nr() { local rm_addr_nr=$1 @@ -3278,6 +3294,21 @@ add_addr_ports_tests() chk_mpc_endp_attempt ${retl} 1 fi + + # first signal address drops, second one still progresses + if reset "signal addr list progresses after tx drop"; then + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 1 0 + ip netns exec $ns1 sysctl -q net.ipv4.tcp_timestamps=1 + ip netns exec $ns2 sysctl -q net.ipv4.tcp_timestamps=1 + + pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal port 10100 + pm_nl_add_endpoint $ns1 dead:beef:3::1 flags signal + run_tests $ns1 $ns2 dead:beef:1::1 + chk_add_drop_tx_nr 1 + chk_add_tx_nr 1 1 + chk_add_nr 1 1 0 + fi } bind_tests() -- 2.53.0