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GET /api/patches/40284/?format=api
{ "id": 40284, "url": "https://patches.dpdk.org/api/patches/40284/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1526919810-24303-1-git-send-email-matan@mellanox.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1526919810-24303-1-git-send-email-matan@mellanox.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1526919810-24303-1-git-send-email-matan@mellanox.com", "date": "2018-05-21T16:23:30", "name": "[dpdk-dev] net/vdev_netvsc: fix automatic probing", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "6d821528d6b6d8519c4e547e1a5c0b1025ae1345", "submitter": { "id": 796, "url": "https://patches.dpdk.org/api/people/796/?format=api", "name": "Matan Azrad", "email": "matan@mellanox.com" }, "delegate": { "id": 319, "url": "https://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1526919810-24303-1-git-send-email-matan@mellanox.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/40284/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/40284/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id EA3092BA7;\n\tMon, 21 May 2018 18:23:49 +0200 (CEST)", "from EUR02-HE1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr10046.outbound.protection.outlook.com [40.107.1.46])\n\tby dpdk.org (Postfix) with ESMTP id DCB752B9E;\n\tMon, 21 May 2018 18:23:48 +0200 (CEST)", "from mellanox.com (37.142.13.130) by\n\tAM5PR0501MB2594.eurprd05.prod.outlook.com (2603:10a6:203:d::9) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\t15.20.776.11; Mon, 21 May 2018 16:23:47 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com;\n\ts=selector1;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=HFf8Rz35MDzTWoLtTWtqCucKvfdmUB0z44QHbrO4UCM=;\n\tb=iREtUE/+IBoUeghbQvL0l/8q7IaD3j2zZZ804SGbpvHphsPLYYf4oOk93fDSQO2pQduYtJfsrVRoYKiPSLtPdpeju/43KSjCBTVxPs17h9XgwX1kkaD/Kxfl3XKhMS/cN1lEEx004BDOYyH1f1Y+otkWjC2gibdsNx+lS7Tg/cg=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=matan@mellanox.com; ", "From": "Matan Azrad <matan@mellanox.com>", "To": "dev@dpdk.org", "Cc": "Ferruh Yigit <ferruh.yigit@intel.com>,\n\tstable@dpdk.org", "Date": "Mon, 21 May 2018 16:23:30 +0000", "Message-Id": "<1526919810-24303-1-git-send-email-matan@mellanox.com>", "X-Mailer": "git-send-email 1.9.5", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[37.142.13.130]", "X-ClientProxiedBy": "VI1PR08CA0238.eurprd08.prod.outlook.com\n\t(2603:10a6:802:15::47) To AM5PR0501MB2594.eurprd05.prod.outlook.com\n\t(2603:10a6:203:d::9)", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-HT": "Tenant", "X-Microsoft-Antispam": "UriScan:; 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PCL:0;\n\tRULEID:(8211001083)(6040522)(2401047)(5005006)(8121501046)(3002001)(10201501046)(93006095)(93001095)(3231254)(944501410)(52105095)(6055026)(149027)(150027)(6041310)(20161123558120)(20161123564045)(20161123560045)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(6072148)(201708071742011)(7699016);\n\tSRVR:AM5PR0501MB2594; BCL:0; PCL:0; RULEID:; SRVR:AM5PR0501MB2594; ", "X-Forefront-PRVS": "06793E740F", "X-Forefront-Antispam-Report": "SFV:NSPM;\n\tSFS:(10009020)(396003)(366004)(346002)(376002)(39860400002)(39380400002)(199004)(189003)(956004)(2616005)(53936002)(68736007)(105586002)(7736002)(1857600001)(186003)(8936002)(86362001)(25786009)(55016002)(16526019)(305945005)(476003)(2906002)(486006)(21086003)(316002)(26005)(386003)(16586007)(106356001)(52116002)(478600001)(47776003)(6116002)(50226002)(6666003)(66066001)(97736004)(51416003)(7696005)(69596002)(8676002)(5660300001)(3846002)(50466002)(36756003)(4326008)(2361001)(6916009)(48376002)(33026002)(2351001)(81156014)(81166006);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:AM5PR0501MB2594; H:mellanox.com; FPR:;\n\tSPF:None; \n\tLANG:en; PTR:InfoNoRecords; A:1; MX:1; ", "Received-SPF": "None (protection.outlook.com: mellanox.com does not designate\n\tpermitted sender hosts)", "X-Microsoft-Antispam-Message-Info": "sNNGv8yQZgY0NFsZ+PJoZztumTMizRh8tqxa1CUQ8mlJ7Nm/47AsYwW2o+LSywNmJChveF8DPZ5o8WGv6h27o+gZXDgcVMVd5IUqU575D6i61Apb2Dro3IbjKXImOCTRzO4Pfgbe4vnIVfKO07eyNAQCxv74R4wydDE3Vr46IP1DzUJ0pvqGqoSKXNpAB5Pk", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-MS-Office365-Filtering-Correlation-Id": "d6ff74c1-b9f1-406e-cc3f-08d5bf373b0c", "X-OriginatorOrg": "Mellanox.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "21 May 2018 16:23:47.1344\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "d6ff74c1-b9f1-406e-cc3f-08d5bf373b0c", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "a652971c-7d2e-4d9b-a6a4-d149256f461b", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "AM5PR0501MB2594", "Subject": "[dpdk-dev] [PATCH] net/vdev_netvsc: fix automatic probing", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "The vdev_netvsc driver allows an automatic probe in Hyper-V VM systems\nunless it was already specified by the EAL command line.\n\nThe detection of a specified NetVSC device is wrongly done by comparing\nthe vdev_netvsc driver name to all the vdev devices names, including\nthe suffix device index. Thus, if the user specifies the vdev_netvsc\ndevice by adding an index to the device name, the comparison fails.\nConsequently, the vdev_netvsc driver may automatically probe NetVSC\ndevices, despite the NetVSC device that was specified by the EAL command\nline.\n\nCompare the vdev_netvsc driver name to the devices names without the\nindex.\n\nFixes: 56252de779a6 (\"net/vdev_netvsc: add automatic probing\")\nCc: stable@dpdk.org\n\nSigned-off-by: Matan Azrad <matan@mellanox.com>\n---\n drivers/net/vdev_netvsc/vdev_netvsc.c | 7 +++++--\n 1 file changed, 5 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/net/vdev_netvsc/vdev_netvsc.c b/drivers/net/vdev_netvsc/vdev_netvsc.c\nindex de2bd14..48717f2 100644\n--- a/drivers/net/vdev_netvsc/vdev_netvsc.c\n+++ b/drivers/net/vdev_netvsc/vdev_netvsc.c\n@@ -39,6 +39,7 @@\n \n #define VDEV_NETVSC_DRIVER net_vdev_netvsc\n #define VDEV_NETVSC_DRIVER_NAME RTE_STR(VDEV_NETVSC_DRIVER)\n+#define VDEV_NETVSC_DRIVER_NAME_LEN 15\n #define VDEV_NETVSC_ARG_IFACE \"iface\"\n #define VDEV_NETVSC_ARG_MAC \"mac\"\n #define VDEV_NETVSC_ARG_FORCE \"force\"\n@@ -798,7 +799,8 @@ static LIST_HEAD(, vdev_netvsc_ctx) vdev_netvsc_ctx_list =\n vdev_netvsc_cmp_rte_device(const struct rte_device *dev1,\n \t\t\t __rte_unused const void *_dev2)\n {\n-\treturn strcmp(dev1->devargs->name, VDEV_NETVSC_DRIVER_NAME);\n+\treturn strncmp(dev1->devargs->name, VDEV_NETVSC_DRIVER_NAME,\n+\t\t VDEV_NETVSC_DRIVER_NAME_LEN);\n }\n \n /**\n@@ -814,7 +816,8 @@ static LIST_HEAD(, vdev_netvsc_ctx) vdev_netvsc_ctx_list =\n \tstruct rte_bus *vbus = rte_bus_find_by_name(\"vdev\");\n \n \tRTE_EAL_DEVARGS_FOREACH(\"vdev\", devargs)\n-\t\tif (!strcmp(devargs->name, VDEV_NETVSC_DRIVER_NAME))\n+\t\tif (!strncmp(devargs->name, VDEV_NETVSC_DRIVER_NAME,\n+\t\t\t VDEV_NETVSC_DRIVER_NAME_LEN))\n \t\t\treturn;\n \tdev = (struct rte_vdev_device *)vbus->find_device(NULL,\n \t\tvdev_netvsc_cmp_rte_device, VDEV_NETVSC_DRIVER_NAME);\n", "prefixes": [ "dpdk-dev" ] }