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Tue, 17 Mar 2020 06:30:47 +0000 Date: Mon, 16 Mar 2020 23:30:44 -0700 From: Martin KaFai Lau To: Joe Stringer CC: , Lorenz Bauer , , , , Subject: Re: [PATCH bpf-next 5/7] selftests: bpf: add test for sk_assign Message-ID: <20200317063044.l4csdcag7l74ehut@kafai-mbp> References: <20200312233648.1767-1-joe@wand.net.nz> <20200312233648.1767-6-joe@wand.net.nz> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200312233648.1767-6-joe@wand.net.nz> User-Agent: NeoMutt/20180716 X-ClientProxiedBy: MWHPR1601CA0001.namprd16.prod.outlook.com (2603:10b6:300:da::11) To BYAPR15MB2278.namprd15.prod.outlook.com (2603:10b6:a02:8e::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from kafai-mbp (2620:10d:c090:400::5:e745) by MWHPR1601CA0001.namprd16.prod.outlook.com (2603:10b6:300:da::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2814.21 via Frontend Transport; Tue, 17 Mar 2020 06:30:46 +0000 X-Originating-IP: [2620:10d:c090:400::5:e745] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e2c0bc04-5865-4548-b085-08d7ca3cba52 X-MS-TrafficTypeDiagnostic: BYAPR15MB2853: X-Microsoft-Antispam-PRVS: X-FB-Source: Internal X-MS-Oob-TLC-OOBClassifiers: OLM:6790; X-Forefront-PRVS: 0345CFD558 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10019020)(39860400002)(396003)(346002)(136003)(366004)(376002)(199004)(6496006)(1076003)(8936002)(52116002)(81166006)(9686003)(81156014)(55016002)(8676002)(5660300002)(478600001)(16526019)(33716001)(186003)(6916009)(4744005)(86362001)(4326008)(2906002)(66476007)(66946007)(316002)(66556008);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB2853;H:BYAPR15MB2278.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1; Received-SPF: None (protection.outlook.com: fb.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: EwBWjXKmAlEKx8RdtBB4DPCSSde9UZOvcP2jdbRTdpS7sJi46QIQzsGzKZcYgtoDLbwoWfJfnbtykWhPGOwJaU+1F3wuCzHAXbqXuLEb529slEYMdvlT4lWmNcSRtEvVZhq7nWL9Otcie5aZIeFj/3FQ6t8Hgcu09Q0DLNJ9xBZ/cucnpTfWHtoxqaR1/yCyTEfduEeLH54l+HmflZFCedmq6y3MvOfb2XKSzurETt8isGmeqUbC+yvIYeSOjFGS+3o50uTPdU9SZlumJUJEer6O6mBKFauIqlOpC6JklG2MUpu/d5dPJgGviR9QwvuvNfQlxUZpaf+OmTmh5GVyI1+tj13aqFt1chtZxFOvnAV9XAoreIu9SnelxvoBdZWEi66PDjWxJN3EKVr6XUrYFpD/oaTOGZGQHo9QsnkbrylUbjjRBqHKNLv8o2+G3jnc X-MS-Exchange-AntiSpam-MessageData: LaNEX22FxjZcdPI3vhcrdGFWQzA4xMX4zOlLihT13SAOofKHMfZQBebzaBrtHIkd6wYafeKDnpBi94DkEP6bP2DTsCntpkvLsz1vrXrdCU4c11eNxvXNTUPCho9z5ZgpvO/DWOuc3bgnq+CZNttUVkHK3Gx7uNM9tMTm7JFtewhiEkSRPQO8nyzkUXVKakje X-MS-Exchange-CrossTenant-Network-Message-Id: e2c0bc04-5865-4548-b085-08d7ca3cba52 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Mar 2020 06:30:47.2792 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: vU3Dbi2UWb+6gUXy0dAF8yLVBud1YC1gWIVg21BEE5BRLyhD6GsRP9TPhOgR+mIF X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2853 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.645 definitions=2020-03-17_01:2020-03-12,2020-03-17 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 adultscore=0 suspectscore=0 bulkscore=0 spamscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 phishscore=0 clxscore=1015 malwarescore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003170029 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 12, 2020 at 04:36:46PM -0700, Joe Stringer wrote: > From: Lorenz Bauer > > Attach a tc direct-action classifier to lo in a fresh network > namespace, and rewrite all connection attempts to localhost:4321 > to localhost:1234. > > Keep in mind that both client to server and server to client traffic > passes the classifier. > > Signed-off-by: Lorenz Bauer > Signed-off-by: Joe Stringer > --- > tools/testing/selftests/bpf/.gitignore | 1 + > tools/testing/selftests/bpf/Makefile | 3 +- > .../selftests/bpf/progs/test_sk_assign.c | 127 +++++++++++++ > tools/testing/selftests/bpf/test_sk_assign.c | 176 ++++++++++++++++++ Can this test be put under the test_progs.c framework? > tools/testing/selftests/bpf/test_sk_assign.sh | 19 ++