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GET /api/patches/70146/?format=api
{ "id": 70146, "url": "https://patches.dpdk.org/api/patches/70146/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20200513091547.19658-1-Renata.Saiakhova@ekinops.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": "<20200513091547.19658-1-Renata.Saiakhova@ekinops.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200513091547.19658-1-Renata.Saiakhova@ekinops.com", "date": "2020-05-13T09:15:43", "name": "[v2,0/4] Memory corruption due to HW rings allocation", "commit_ref": null, "pull_url": null, "state": null, "archived": false, "hash": null, "submitter": { "id": 1694, "url": "https://patches.dpdk.org/api/people/1694/?format=api", "name": "Renata Saiakhova", "email": "renata.saiakhova@ekinops.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20200513091547.19658-1-Renata.Saiakhova@ekinops.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/70146/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/70146/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 8BB7FA034F;\n\tWed, 13 May 2020 11:17:11 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 0E6AF1D171;\n\tWed, 13 May 2020 11:17:11 +0200 (CEST)", "from FRA01-PR2-obe.outbound.protection.outlook.com\n (mail-eopbgr120101.outbound.protection.outlook.com [40.107.12.101])\n by dpdk.org (Postfix) with ESMTP id A31B71D15D\n for <dev@dpdk.org>; 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dkim=none (message not signed)\n header.d=none;dpdk.org; dmarc=none action=none header.from=ekinops.com;", "From": "Renata Saiakhova <Renata.Saiakhova@ekinops.com>", "To": "", "Cc": "dev@dpdk.org,\n\tRenata Saiakhova <Renata.Saiakhova@ekinops.com>", "Date": "Wed, 13 May 2020 11:15:43 +0200", "Message-Id": "<20200513091547.19658-1-Renata.Saiakhova@ekinops.com>", "X-Mailer": [ "git-send-email 2.17.2", "git-send-email 2.17.2" ], "Content-Type": "text/plain", "X-ClientProxiedBy": "AM4PR05CA0018.eurprd05.prod.outlook.com (2603:10a6:205::31)\n To MRXP264MB0325.FRAP264.PROD.OUTLOOK.COM\n (2603:10a6:500:22::19)", "MIME-Version": "1.0", "X-MS-Exchange-MessageSentRepresentingType": "1", "X-Originating-IP": "[91.183.184.98]", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "3c83b482-7539-44f9-2365-08d7f71e689a", "X-MS-TrafficTypeDiagnostic": "MRXP264MB0183:", "X-MS-Exchange-Transport-Forked": "True", "X-Microsoft-Antispam-PRVS": "\n <MRXP264MB018398A935F563AD4FA7FADA92BF0@MRXP264MB0183.FRAP264.PROD.OUTLOOK.COM>", "X-MS-Oob-TLC-OOBClassifiers": "OLM:8273;", "X-Forefront-PRVS": "0402872DA1", "X-MS-Exchange-SenderADCheck": "1", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n PcQhNtOridhaS9Wf1AjTKTTT0kfi4jrIlBj612XFmwwC/EcaZ78Somviqa+ZZzTXr4NOY41gpj3ThaQVfITxPSLUVV9Qvmq6WfnrW7BL48Mu/QQptCC1kMedxcibo/1bDXVoJEh4ZNTiwIYOBRnM2DBZzh7WSTT0leP+IoVgmIOUu7MJINbhjR4mcB7ICdT1zNzv2fAOjQW/BkEJ91LlK21dbQR82f3ypooAD2+PYrcC8x4B7mFCoKwwL42O1VJOh1FHP9hZs3Crsy0OY00HAJ9qdHxCB0oQJ5WwnssrOACJBrjNe6ispk2TWl708n/mMRwmaW9BZ7zfOUo98CUbZ+dNMFHmXmkLUihH8O7ack5OLd4rBPO7/tO8nXOzlYS9/Q9w3/KT06bNA/4MbYlkxq3DyxTWGE20EJq2Oq1RQQF6rS0+2WIjaE/bpkFOZrKo9uaITcpKWdo8F91m4TtIdeSnyrScpffqumzlmxIqNlStKDaFRk4KBKI78AO4gGAoIU1pmTxPWXeEycmhz2nrZbrw1dy0KaTpPaGT2W+/cXw=", "X-Forefront-Antispam-Report": "CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:;\n IPV:NLI; SFV:NSPM; H:MRXP264MB0325.FRAP264.PROD.OUTLOOK.COM; PTR:; CAT:NONE;\n SFTY:;\n SFS:(366004)(396003)(346002)(376002)(39840400004)(136003)(33430700001)(33440700001)(2616005)(66946007)(2906002)(956004)(86362001)(66556008)(66476007)(6486002)(4326008)(316002)(6512007)(8676002)(8936002)(16526019)(6506007)(107886003)(6666004)(5660300002)(26005)(1076003)(36756003)(478600001)(186003)(52116002)(109986005)(266003);\n DIR:OUT; SFP:1102;", "X-MS-Exchange-AntiSpam-MessageData": "\n QIPB6r92UaT8u3Cvm+ax9vL8pT6/NZW+EF6lW8sQ+5tHEnC+0x/G4jX+LcldNHU/nRKuHxI5kXxC7hx2Bcw/eMIMgYMQXIGG+Nj8Gi3XOaWsZH6dV3M6JCP1VO0eHgs+L3CNRgHcOOY7m6SjfaZwQ65vzni1g3rBg/Z2jhxCaXOVLl3uR5fptVNwwNI5OzgjulYGrq/tq/UKzJetI9lJp4BNOl6CHFF2XpewTnY4WvMrEarTBMUzAKl7p40otnfW5w9jswtgVDemW/Hlr/rKMbP4EcPfRlHEyVq5Vvfr74QXN9be+V6MvvcGqwB2pOy9t2yBtpmW6b++ZAsIeR23pMHgZ/AUxcxac7ZehEj7FncAI6yabtgrCOu16dTtfj2q7j2Kxr5qtNQSyU5/NbK3XrV9kVm4eDyIpygwImDJHKftdHnKRMyU1hVrGGYalOauLI+VKh5JdwVX9p5EXGvD9aZBxhdyOiYgMskHwUhIyrY=", "X-OriginatorOrg": "ekinops.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 3c83b482-7539-44f9-2365-08d7f71e689a", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "13 May 2020 09:17:07.3335 (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "f57b78a6-c654-4771-a72f-837275f46179", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n tlFAB+6xf0HorM584BOZZtfSa46C0pC6vvg5TUsbwOY9Iywpm42lGUHoBp+EnLJT2gB2MqactXsaCWAKJMMEupwvQgWP56PJ6hjYhn9MpOM=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MRXP264MB0183", "Subject": "[dpdk-dev] [PATCH v2 0/4] Memory corruption due to HW rings\n\tallocation", "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://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "igb and ixgbe and some other drivers allocate HW rings using rte_eth_dma_zone_reserve(),\nwhich checks first if the memzone exists for a given name, consisting of port\nid, queue_id, rx/tx direction, but not for the size, alignment, and socket_id.\nIf the memzone with a given name exists it is returned, otherwise it is\nallocated.\nDisconnecting dpdk port from one type of interface (igb) and connecting it\nto another type of interface (ixgbe) for the same port id, potentially creates\nmemory overlap and corruption, because it may require memzone of bigger size.\nThat's what is happening from switching from igb to ixgbe having the same port\nid.\n\n\nRenata Saiakhova (4):\n librte_ethdev: Introduce a function to release HW rings\n drivers/net: Fix in igb and ixgbe HW rings memory\n drivers/net: Fix in i40e HW rings memory overlap\n drivers/net: Fix in em and ice HW rings memory overlap\n\n drivers/net/e1000/em_rxtx.c | 2 ++\n drivers/net/e1000/igb_rxtx.c | 2 ++\n drivers/net/i40e/i40e_rxtx.c | 2 ++\n drivers/net/ice/ice_rxtx.c | 2 ++\n drivers/net/ixgbe/ixgbe_rxtx.c | 2 ++\n lib/librte_ethdev/rte_ethdev.c | 30 ++++++++++++++++++++++--\n lib/librte_ethdev/rte_ethdev_driver.h | 19 +++++++++++++++\n lib/librte_ethdev/rte_ethdev_version.map | 1 +\n 8 files changed, 58 insertions(+), 2 deletions(-)", "diff": null, "prefixes": [ "v2", "0/4" ] }