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Miller" , Sasha Levin Subject: [PATCH AUTOSEL 4.18 47/76] selftests: pmtu: maximum MTU for vti4 is 2^16-1-20 Thread-Topic: [PATCH AUTOSEL 4.18 47/76] selftests: pmtu: maximum MTU for vti4 is 2^16-1-20 Thread-Index: AQHUVBWo35wXuvgijUuR34MTv/2c3Q== Date: Mon, 24 Sep 2018 14:48:30 +0000 Message-ID: <20180924144751.164410-46-alexander.levin@microsoft.com> References: <20180924144751.164410-1-alexander.levin@microsoft.com> In-Reply-To: <20180924144751.164410-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;CY4PR21MB0855;6:gmqaUW+hUGyGO43y5oze931UILLTMyFLY43HGhQ0L2T3M3QuCZnYxkm0wE4rBG8Rs2Sd6W7GFo+kasGX2R2GkNq1nH9X6jVf4n05mLXujQoYlxL8kmyNWX45ZRBQP5mGHTXbyQcHquWkndz1KSlMfbGDQx67an/LFB8NLh8NgzMZdvT5eTEt48yuo92v3uUm7qy+RV8kepOuOVbI1atUXDJTxhi1Xpecai5u2KqwCAmqVLOKYQZQQkNTQzJlwvza7/quBdAxUqAJza5ZmgGXtU4YOfceIk1LHyCcNK4tWnmXarOPmycb2c/6OtwWUv+inrxxIiMal/a5Ulyn4jVuRedGhwjy5T+am7EvZIDz/pzmIJ4657S8Lpswy4/cpqWVoFhDjUe1ko60VsSP8Nak+/k1CzRThwD+N4Ba/H5761vNKL9MNeqyu8bWUuixakHs461E7VUs1SSwbD0SdwCXxw==;5:6QRMA5LTaiB0rO8QBhnSkMMhLh4j/JypL1W13vf2j43JUoVUTTzM4c80IbWb7NBbJOcicV5T2qv69cBv+iH9EZwlFk0RCb13JOTgD7+DqAPyzmYoMI1QGxQiQ5UJQYnTvnbahn9olth2TGa7wYs9yiJDkEQmYubkAhBLllJg2dY=;7:9xymVqpwfOv8+ydu6NjAXX6HvalXzRkN5/Vo8yuWxuxTZQISPDGDY2tjgZ7BmwIKLNFZCImnikG2apIJ/KAvXM18+VBVpb3HxZFPlrVaIMqND8C4kmXbEPZK9c6J+TYJbsej2jF4cJYpF+VLuhHNdfSdSapiILiQJKiwkpe4D2rtuadepeMfvTM4OoNvk8rfH8J8fETqcQNBWI4N3ANJPGyz/0Z3s8KxKjlvdUhP3ahBetZe+dPCmVYgctLoP9tW x-ms-office365-filtering-correlation-id: dcd284c5-e787-4d61-df29-08d6222cdb5a x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(4534165)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7193020);SRVR:CY4PR21MB0855; x-ms-traffictypediagnostic: CY4PR21MB0855: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(3231355)(944501410)(52105095)(2018427008)(3002001)(10201501046)(6055026)(149066)(150027)(6041310)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(20161123558120)(20161123564045)(201708071742011)(7699051)(76991041);SRVR:CY4PR21MB0855;BCL:0;PCL:0;RULEID:;SRVR:CY4PR21MB0855; x-forefront-prvs: 0805EC9467 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(346002)(396003)(136003)(366004)(39860400002)(199004)(189003)(486006)(81166006)(6436002)(110136005)(54906003)(10290500003)(6666003)(86362001)(446003)(6486002)(68736007)(2900100001)(86612001)(476003)(6512007)(1076002)(2616005)(305945005)(81156014)(105586002)(10090500001)(14454004)(71200400001)(106356001)(316002)(7736002)(71190400001)(478600001)(11346002)(6116002)(8936002)(5660300001)(3846002)(72206003)(97736004)(8676002)(6506007)(25786009)(36756003)(66066001)(2906002)(5250100002)(76176011)(26005)(14444005)(217873002)(107886003)(186003)(256004)(102836004)(22452003)(2501003)(99286004)(53936002)(4326008);DIR:OUT;SFP:1102;SCL:1;SRVR:CY4PR21MB0855;H:CY4PR21MB0776.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: FWqaai2yv1lvo4Dsj7ugqkpAlcI5K25mtPJY/NFS12HmeANQXM6lVGawhpGwxquLa2ssiDTwXXjYIJQUHqJQoASaHGHoJiS8kPgKHhClZ8KC9dS3Rb0cfR56df2ivrkGsCOIJho4Pf/WsEI7D2TkFl3VtBe839NyO8jc387zzvzypwpqr5ODxG++TrHDf4zCYf0+xB+QW5NpNy78nAqVXIMuR4+WtLJR2kjb2XFBfUg2XOHXQW7hOBGPsH2QfhaIoHQAfftp1UfnklTzMrECbHDScYjajjkqwRn7UhfsiB4XwzxGcBtGVlaD2qwHnvtf2xykuHUdKqzo1F50RDNElVXcX0tD/9ZZoIbmoi97cI8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: dcd284c5-e787-4d61-df29-08d6222cdb5a X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Sep 2018 14:48:30.6595 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0855 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sabrina Dubroca [ Upstream commit 902b5417f28d955cdb4898df6ffaab15f56c5cff ] Since commit 82612de1c98e ("ip_tunnel: restore binding to ifaces with a large mtu"), the maximum MTU for vti4 is based on IP_MAX_MTU instead of the mysterious constant 0xFFF8. This makes this selftest fail. Fixes: 82612de1c98e ("ip_tunnel: restore binding to ifaces with a large mtu= ") Signed-off-by: Sabrina Dubroca Acked-by: Stefano Brivio Acked-by: Nicolas Dichtel Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- tools/testing/selftests/net/pmtu.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/= net/pmtu.sh index f8cc38afffa2..0ecf2609b9a4 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -334,7 +334,7 @@ test_pmtu_vti4_link_add_mtu() { fail=3D0 =20 min=3D68 - max=3D$((65528 - 20)) + max=3D$((65535 - 20)) # Check invalid values first for v in $((min - 1)) $((max + 1)); do ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remot= e ${veth4_b_addr} key 10 2>/dev/null --=20 2.17.1