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Hallyn" , Stephen Smalley , Eric Paris , Mykola Lysenko , Shuah Khan , Simon Horman Cc: Geliang Tang , bpf@vger.kernel.org, netdev@vger.kernel.org, mptcp@lists.linux.dev, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, linux-kselftest@vger.kernel.org, Yonghong Song Subject: [PATCH bpf-next v14 2/4] selftests/bpf: Add two mptcp netns helpers Date: Wed, 16 Aug 2023 09:11:57 +0800 Message-Id: <7506371fb6c417b401cc9d7365fe455754f4ba3f.1692147782.git.geliang.tang@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: References: X-ClientProxiedBy: SI1PR02CA0033.apcprd02.prod.outlook.com (2603:1096:4:1f6::14) To HE1PR0402MB3497.eurprd04.prod.outlook.com (2603:10a6:7:83::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: HE1PR0402MB3497:EE_|DB9PR04MB9915:EE_ X-MS-Office365-Filtering-Correlation-Id: 4fce2d63-8188-424e-0a43-08db9df5ca42 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:HE1PR0402MB3497.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(39860400002)(396003)(136003)(346002)(366004)(376002)(451199024)(186009)(1800799009)(38100700002)(36756003)(86362001)(921005)(6506007)(66476007)(41300700001)(44832011)(26005)(316002)(4326008)(8676002)(66556008)(83380400001)(2616005)(6512007)(6486002)(2906002)(478600001)(110136005)(5660300002)(7406005)(66946007)(8936002)(54906003)(7416002)(13296009);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4fce2d63-8188-424e-0a43-08db9df5ca42 X-MS-Exchange-CrossTenant-AuthSource: HE1PR0402MB3497.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Aug 2023 01:11:59.2941 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: aaup3K1y4gv50yDvdmg07aDCH6RZQRuDRyAo5hoNMacwQAdQ5CuiLA6FwXRHiH1KgQ8UKMKllMFnADxcSJzv7Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR04MB9915 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add two netns helpers for mptcp tests: create_netns() and cleanup_netns(). Use them in test_base(). These new helpers will be re-used in the following commits introducing new tests. Acked-by: Yonghong Song Reviewed-by: Matthieu Baerts Signed-off-by: Geliang Tang --- .../testing/selftests/bpf/prog_tests/mptcp.c | 31 +++++++++++++------ 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c index cd0c42fff7c0..76afb5191772 100644 --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c @@ -22,6 +22,24 @@ struct mptcp_storage { char ca_name[TCP_CA_NAME_MAX]; }; +static struct nstoken *create_netns(void) +{ + SYS(fail, "ip netns add %s", NS_TEST); + SYS(fail, "ip -net %s link set dev lo up", NS_TEST); + + return open_netns(NS_TEST); +fail: + return NULL; +} + +static void cleanup_netns(struct nstoken *nstoken) +{ + if (nstoken) + close_netns(nstoken); + + SYS_NOFAIL("ip netns del %s &> /dev/null", NS_TEST); +} + static int verify_tsk(int map_fd, int client_fd) { int err, cfd = client_fd; @@ -147,11 +165,8 @@ static void test_base(void) if (!ASSERT_GE(cgroup_fd, 0, "test__join_cgroup")) return; - SYS(fail, "ip netns add %s", NS_TEST); - SYS(fail, "ip -net %s link set dev lo up", NS_TEST); - - nstoken = open_netns(NS_TEST); - if (!ASSERT_OK_PTR(nstoken, "open_netns")) + nstoken = create_netns(); + if (!ASSERT_OK_PTR(nstoken, "create_netns")) goto fail; /* without MPTCP */ @@ -174,11 +189,7 @@ static void test_base(void) close(server_fd); fail: - if (nstoken) - close_netns(nstoken); - - SYS_NOFAIL("ip netns del " NS_TEST " &> /dev/null"); - + cleanup_netns(nstoken); close(cgroup_fd); }