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GET /api/patches/35056/?format=api
{ "id": 35056, "url": "http://patches.dpdk.org/api/patches/35056/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1518072954-19082-1-git-send-email-ophirmu@mellanox.com/", "project": { "id": 1, "url": "http://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": "<1518072954-19082-1-git-send-email-ophirmu@mellanox.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1518072954-19082-1-git-send-email-ophirmu@mellanox.com", "date": "2018-02-08T06:55:54", "name": "[dpdk-dev,v1] doc: update mlx4 flow limitations", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "45f6d4237b7538a748251915a674f6284c6f9ce3", "submitter": { "id": 793, "url": "http://patches.dpdk.org/api/people/793/?format=api", "name": "Ophir Munk", "email": "ophirmu@mellanox.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1518072954-19082-1-git-send-email-ophirmu@mellanox.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/35056/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/35056/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 23AE21B85A;\n\tThu, 8 Feb 2018 07:56:11 +0100 (CET)", "from EUR01-VE1-obe.outbound.protection.outlook.com\n\t(mail-ve1eur01on0061.outbound.protection.outlook.com [104.47.1.61])\n\tby dpdk.org (Postfix) with ESMTP id 615A71B856\n\tfor <dev@dpdk.org>; Thu, 8 Feb 2018 07:56:10 +0100 (CET)", "from mellanox.com (37.142.13.130) by\n\tVI1PR0502MB3885.eurprd05.prod.outlook.com (2603:10a6:803:c::10) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.485.10;\n\tThu, 8 Feb 2018 06:56:07 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com;\n\ts=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version;\n\tbh=NpcvSmW5niIwAOUKUHOAw+o65mL2Vy6qt+fXfzk2kaM=;\n\tb=XTVDCS8dbtPm6uQZyVtuEnsTp2+B7ar/fNQ8yi0d359cbmYZTFwzhoHwywHpH9TV8jgJeNnyaHoojV8aiGzgdJOnbVRSK85yaQFq4NinsDXWqM37ohfy+eM6miqiS4zxrYZiToTrFt+3bVrGSKfWQ/nhMAkE6PVxCayR1XTDcg0=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=ophirmu@mellanox.com; ", "From": "Ophir Munk <ophirmu@mellanox.com>", "To": "dev@dpdk.org, Adrien Mazarguil <adrien.mazarguil@6wind.com>,\n\tMoti Haimovsky <motih@mellanox.com>", "Cc": "Thomas Monjalon <thomas@monjalon.net>, Olga Shern <olgas@mellanox.com>, \n\tOphir Munk <ophirmu@mellanox.com>, Matan Azrad <matan@mellanox.com>", "Date": "Thu, 8 Feb 2018 06:55:54 +0000", "Message-Id": "<1518072954-19082-1-git-send-email-ophirmu@mellanox.com>", "X-Mailer": "git-send-email 1.8.3.1", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[37.142.13.130]", "X-ClientProxiedBy": "AM0PR0102CA0052.eurprd01.prod.exchangelabs.com\n\t(2603:10a6:208::29) To VI1PR0502MB3885.eurprd05.prod.outlook.com\n\t(2603:10a6:803:c::10)", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-HT": "Tenant", "X-MS-Office365-Filtering-Correlation-Id": "361db5db-20d2-45e1-796b-08d56ec10831", "X-Microsoft-Antispam": "UriScan:; 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SFP:1101; SCL:1; SRVR:VI1PR0502MB3885; H:mellanox.com; FPR:;\n\tSPF:None; \n\tPTR:InfoNoRecords; A:1; MX:1; LANG:en; ", "Received-SPF": "None (protection.outlook.com: mellanox.com does not designate\n\tpermitted sender hosts)", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "Mellanox.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "08 Feb 2018 06:56:07.6434\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "361db5db-20d2-45e1-796b-08d56ec10831", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "a652971c-7d2e-4d9b-a6a4-d149256f461b", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "VI1PR0502MB3885", "Subject": "[dpdk-dev] [PATCH v1] doc: update mlx4 flow limitations", "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": "From: Moti Haimovsky <motih@mellanox.com>\n\nThis patch updates mlx4 documentation with flow\nconfiguration limitations imposed by NIC hardware and\nPMD implementation\n\nSigned-off-by: Ophir Munk <ophirmu@mellanox.com>\n---\n doc/guides/nics/mlx4.rst | 77 ++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 77 insertions(+)", "diff": "diff --git a/doc/guides/nics/mlx4.rst b/doc/guides/nics/mlx4.rst\nindex 98b9716..b81a875 100644\n--- a/doc/guides/nics/mlx4.rst\n+++ b/doc/guides/nics/mlx4.rst\n@@ -515,3 +515,80 @@ devices managed by librte_pmd_mlx4.\n Port 3 Link Up - speed 40000 Mbps - full-duplex\n Done\n testpmd>\n+\n+Limitations\n+-----------\n+\n+Flow rules\n+~~~~~~~~~~\n+\n+L2 (eth)\n+^^^^^^^^\n+\n+- Can only use real destination MAC\n+- Source MAC is not taken into consideration\n+\n+ For example using testpmd command - src mask must be 00:00:00:00:00:00\n+ otherwise the following command will fail\n+\n+.. code-block:: console\n+\n+ testpmd> flow create 1 ingress pattern eth\n+ src spec 00:16:3e:2b:e6:47 src mask FF:FF:FF:FF:FF:FF\n+ / end actions drop / end\n+\n+- Supports only full MASK\n+\n+ For example the following testpmd command will fail\n+\n+.. code-block:: console\n+\n+ testpmd> flow create 1 ingress pattern eth\n+ src spec 00:16:3e:2b:e6:47\n+ dst spec 4A:11:6C:FA:60:D0 dst mask FF:00:FF:FF:FF:00\n+ / end actions drop / end\n+\n+\n+- When configured to run in promiscuous or all-multicast modes does\n+ not support additional rules\n+- Does not support the explicit exclusion of all multicast traffic\n+- Does not support partial VLAN TCI VID matching\n+\n+L3 (ipv4)\n+^^^^^^^^^\n+\n+- Supports only 0 or full mask. Prerequisites: Need to have eth dst spec\n+\n+L4 (tcp/udp)\n+^^^^^^^^^^^^\n+\n+- Supports only full mask\n+\n+ For example the following testpmd command will fail\n+\n+.. code-block:: console\n+\n+ testpmd> flow create 0 ingress pattern eth\n+ src spec e4:1d:2d:2d:8d:22\n+ dst spec 00:15:5D:10:8D:00 dst mask FF:FF:FF:FF:FF:FF\n+ / ipv4 src spec 144.144.92.0 src prefix 16\n+ / end actions drop / end\n+\n+ Prerequisites: Need to have eth dst spec and IPv4 before it with all\n+ its limitations\n+\n+Flow actions\n+~~~~~~~~~~~~\n+\n+RSS\n+^^^\n+\n+RSS is performed on packets to spread them among several queues based on hash\n+function calculation and according to provided parameters.\n+\n+- RSS hash is calculated on fixed packet fields including: L3 source and\n+ destination addresses (ipv4 or ipv6) and L4 source and destination addresses\n+ (upd or tcp ports)\n+- Uses default constant RSS key\n+- Only power of two number of queues is supported\n+- Every Rx queue can be specified only once in RSS action\n", "prefixes": [ "dpdk-dev", "v1" ] }