From patchwork Mon Aug 26 15:59:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthieu Baerts \(NGI0\)" X-Patchwork-Id: 822549 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 DF881197A66; Mon, 26 Aug 2024 15:59:33 +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=1724687974; cv=none; b=qe1bCloluTPDuc5XxiB1uEiSB5NWh4b83r2E5zXlMtJjhmajOuyigFDjLaDFIOf8YBw3dxTNJc/hD36xLlEuWKFZC2PxEqBBdgTPKBTRNAy2SQaBGJepB1SZPwdZek/vaw4+rnYHAgPV6xt2uzX58ijdnR7fSQRifTnJ0FnAP9I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724687974; c=relaxed/simple; bh=p0kyHCAmBWmo++X4fkmrWosQeS0ZfREeOzPeG1DHAbs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=b3N1FMv5qBW9wUzcF8BRSLuehcWHijD2owVDrkPvhW0/4wJ2tIp04VUB1PoVT5R1xuRxJYN8rR4xVagwhhAWHDZOUvHg6FrJ0AoygBrB4hwSy1VXRPq7brteZ0WtThj2JeDRbCrwdVOH9Sc7VI6X4tKNVG1YYJxiatw85Wf0dNg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TbdAQDQi; 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="TbdAQDQi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65491C4DDE5; Mon, 26 Aug 2024 15:59:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724687973; bh=p0kyHCAmBWmo++X4fkmrWosQeS0ZfREeOzPeG1DHAbs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=TbdAQDQiryI0/yk0vN5GEeYhx1ekGso+Hh1oarWs4rrxhky5k1GAosdXiY/bpty09 CzZReXDSIkfLBWFekRpxcUEX26H7S6XpNt/XJsmr4gQnaJPQdgSQ1XjyPGtL8a9M/J vjT3FtaJl017dVRFuKzihJBtBcp8QCvmtTtIp44ED25Caz4cqnvHCqfxz90BPTaWCp KaElbfO2wEIOhVFDtSF8ZSHRyIdT9cn4VLFGHsCBVJ9cqyv5xpA4Vrlp06hIT5LP7g T4YMxmNHnJyxNwu/rLkhJ3r3gu5jXWo+erdTSSqkDR2+LPd9ltP4mFt8BwiQtUfBlF BwMW1GuxLr5dg== From: "Matthieu Baerts (NGI0)" Date: Mon, 26 Aug 2024 17:59:02 +0200 Subject: [PATCH net 03/15] selftests: mptcp: join: check removing ID 0 endpoint Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240826-net-mptcp-more-pm-fix-v1-3-8cd6c87d1d6d@kernel.org> References: <20240826-net-mptcp-more-pm-fix-v1-0-8cd6c87d1d6d@kernel.org> In-Reply-To: <20240826-net-mptcp-more-pm-fix-v1-0-8cd6c87d1d6d@kernel.org> To: mptcp@lists.linux.dev, Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , Florian Westphal Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, "Matthieu Baerts (NGI0)" , stable@vger.kernel.org X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=3151; i=matttbe@kernel.org; h=from:subject:message-id; bh=p0kyHCAmBWmo++X4fkmrWosQeS0ZfREeOzPeG1DHAbs=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBmzKZWXs417NozfGuopBXKoHLVFs5XV8DYFr61J suDYKkM4aSJAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZsymVgAKCRD2t4JPQmmg czOYD/9WVbhgQjmdS7iWv7QF9zpcDiSix1W6uwlnVNgJokIANQkrfbxEPHeddjygEwz9Cf98YTC pGWA2faBAI7T8eHv6x3aeulMrk17n6zdbHUgtyrz3WWqqv6xAtDl9ox2dVJj7tpg6PygM+wpCrm FYLYxADhWc3x3PKSDKVI42UonJeS3T659t148d63+t59RSZ8PgKTrjF8lZglSMkefTFrE/1+ZkQ 0ZdOzH88CHpeAf7dkewZctnsJ2zTzTIDVnBlm+mGkDgO1z5Gji9v1L0y9qMPNMpYAJPH2RdwUAg ybDA8/xRZusvYrfYmxuGCWcs52Z0x3yWnjY7IrOIYZjOnl5yBq6cBziVrGN7NC2A866dMu+yKHo 5ro84/o1NBVGlbsE6Uv/9hhJpQmRVyItW5peVFgxcK45+vORdD1er7LpcbI5Mzqz1hy6wLVE3aq UvNrXNlS/p0/FMcYjN2/aYe2nmx9+T+8Dr9FGRrBha6YV51ZCI+jVhl9RjmqMCSTLH+T7M3w7kS MxfXWkbusyhp+3hT/zI4ReE6GJTo4iNWfkLqVDu972zGZtWlcEdDrf/WEmVp5WbG63CPf7O4tYA TSlXEjbg9uM9Mp8po3z2Umoq21NrTxVILd0YERqwWILBDWv2/2ymB8aSaMjQQSDxrxt+O8syN3U dGyPa41KcH8nNiA== X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 Removing the endpoint linked to the initial subflow should trigger a RM_ADDR for the right ID, and the removal of the subflow. That's what is now being verified in the "delete and re-add" test. Note that removing the initial subflow will not decrement the 'subflows' counters, which corresponds to the *additional* subflows. On the other hand, when the same endpoint is re-added, it will increment this counter, as it will be seen as an additional subflow this time. The 'Fixes' tag here below is the same as the one from the previous commit: this patch here is not fixing anything wrong in the selftests, but it validates the previous fix for an issue introduced by this commit ID. Fixes: 3ad14f54bd74 ("mptcp: more accurate MPC endpoint tracking") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 89e553e0e0c2..d2dd48a539c5 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3575,8 +3575,9 @@ endpoint_tests() if reset_with_tcp_filter "delete and re-add" ns2 10.0.3.2 REJECT OUTPUT && mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then - pm_nl_set_limits $ns1 0 2 - pm_nl_set_limits $ns2 0 2 + pm_nl_set_limits $ns1 0 3 + pm_nl_set_limits $ns2 0 3 + pm_nl_add_endpoint $ns2 10.0.1.2 id 1 dev ns2eth1 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow test_linkfail=4 speed=20 \ run_tests $ns1 $ns2 10.0.1.1 & @@ -3585,17 +3586,17 @@ endpoint_tests() wait_mpj $ns2 pm_nl_check_endpoint "creation" \ $ns2 10.0.2.2 id 2 flags subflow dev ns2eth2 - chk_subflow_nr "before delete" 2 + chk_subflow_nr "before delete id 2" 2 chk_mptcp_info subflows 1 subflows 1 pm_nl_del_endpoint $ns2 2 10.0.2.2 sleep 0.5 - chk_subflow_nr "after delete" 1 + chk_subflow_nr "after delete id 2" 1 chk_mptcp_info subflows 0 subflows 0 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow wait_mpj $ns2 - chk_subflow_nr "after re-add" 2 + chk_subflow_nr "after re-add id 2" 2 chk_mptcp_info subflows 1 subflows 1 pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow @@ -3610,10 +3611,20 @@ endpoint_tests() chk_subflow_nr "after no reject" 3 chk_mptcp_info subflows 2 subflows 2 + pm_nl_del_endpoint $ns2 1 10.0.1.2 + sleep 0.5 + chk_subflow_nr "after delete id 0" 2 + chk_mptcp_info subflows 2 subflows 2 # only decr for additional sf + + pm_nl_add_endpoint $ns2 10.0.1.2 id 1 dev ns2eth1 flags subflow + wait_mpj $ns2 + chk_subflow_nr "after re-add id 0" 3 + chk_mptcp_info subflows 3 subflows 3 + mptcp_lib_kill_wait $tests_pid - chk_join_nr 3 3 3 - chk_rm_nr 1 1 + chk_join_nr 4 4 4 + chk_rm_nr 2 2 fi # remove and re-add