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GET /api/patches/815496/?format=api
{ "id": 815496, "url": "http://patchwork.ozlabs.org/api/patches/815496/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1505825158-8192-6-git-send-email-razvan.stefanescu@nxp.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1505825158-8192-6-git-send-email-razvan.stefanescu@nxp.com>", "list_archive_url": null, "date": "2017-09-19T12:45:57", "name": "[RESEND,5/6] staging: fsl-dpaa2/ethsw: Add README", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "a2754ca8225301f687744bb9859a38945b325d7e", "submitter": { "id": 72391, "url": "http://patchwork.ozlabs.org/api/people/72391/?format=api", "name": "Razvan Stefanescu", "email": "razvan.stefanescu@nxp.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1505825158-8192-6-git-send-email-razvan.stefanescu@nxp.com/mbox/", "series": [ { "id": 3864, "url": "http://patchwork.ozlabs.org/api/series/3864/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3864", "date": "2017-09-19T12:45:58", "name": "staging: Introduce DPAA2 Ethernet Switch driver", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3864/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/815496/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/815496/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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helo=tx30smr01.am.freescale.net;", "From": "Razvan Stefanescu <razvan.stefanescu@nxp.com>", "To": "<gregkh@linuxfoundation.org>", "CC": "<devel@driverdev.osuosl.org>, <linux-kernel@vger.kernel.org>,\n\t<netdev@vger.kernel.org>, <agraf@suse.de>, <arnd@arndb.de>,\n\t<alexandru.marginean@nxp.com>, <bogdan.purcareata@nxp.com>,\n\t<ruxandra.radulescu@nxp.com>, <laurentiu.tudor@nxp.com>,\n\t<stuyoder@gmail.com>", "Subject": "[RESEND PATCH 5/6] staging: fsl-dpaa2/ethsw: Add README", "Date": "Tue, 19 Sep 2017 15:45:57 +0300", "Message-ID": "<1505825158-8192-6-git-send-email-razvan.stefanescu@nxp.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": "<1505825158-8192-1-git-send-email-razvan.stefanescu@nxp.com>", "References": "<1505825158-8192-1-git-send-email-razvan.stefanescu@nxp.com>", "X-EOPAttributedMessage": "0", "X-Matching-Connectors": "131502987773262273;\n\t(91ab9b29-cfa4-454e-5278-08d120cd25b8); ()", "X-Forefront-Antispam-Report": "CIP:192.88.168.50; IPV:NLI; CTRY:US; EFV:NLI;\n\tSFV:NSPM;\n\tSFS:(10009020)(6009001)(7966004)(336005)(376002)(346002)(39860400002)(39380400002)(2980300002)(1109001)(1110001)(339900001)(199003)(189002)(104016004)(76176999)(50986999)(85426001)(189998001)(77096006)(5003940100001)(8676002)(81156014)(8936002)(81166006)(50226002)(356003)(97736004)(8656003)(305945005)(68736007)(2906002)(105606002)(36756003)(50466002)(2351001)(316002)(33646002)(16586007)(106466001)(48376002)(47776003)(498600001)(4326008)(6916009)(54906002)(53936002)(39060400002)(7416002)(5660300001)(6666003)(2950100002)(86362001)(217873001);\n\tDIR:OUT; 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BCL:0; PCL:0;\n\tRULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(400006)(100000804101)(100110200095)(100000805101)(100110500095);\n\tSRVR:BN3PR03MB2355; ", "X-Forefront-PRVS": "04359FAD81", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "19 Sep 2017 12:46:17.0298\n\t(UTC)", "X-MS-Exchange-CrossTenant-Id": "5afe0b00-7697-4969-b663-5eab37d5f47e", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e;\n\tIp=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BN3PR03MB2355", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "Add a README file describing the driver architecture, components and\ninterfaces.\n\nSigned-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>\n---\n drivers/staging/fsl-dpaa2/ethsw/README | 106 +++++++++++++++++++++++++++++++++\n 1 file changed, 106 insertions(+)\n create mode 100644 drivers/staging/fsl-dpaa2/ethsw/README", "diff": "diff --git a/drivers/staging/fsl-dpaa2/ethsw/README b/drivers/staging/fsl-dpaa2/ethsw/README\nnew file mode 100644\nindex 0000000..f6fc07f\n--- /dev/null\n+++ b/drivers/staging/fsl-dpaa2/ethsw/README\n@@ -0,0 +1,106 @@\n+DPAA2 Ethernet Switch driver\n+============================\n+\n+This file provides documentation for the DPAA2 Ethernet Switch driver\n+\n+\n+Contents\n+========\n+\tSupported Platforms\n+\tArchitecture Overview\n+\tCreating an Ethernet Switch\n+\tFeatures\n+\n+\n+\tSupported Platforms\n+===================\n+This driver provides networking support for Freescale LS2085A, LS2088A\n+DPAA2 SoCs.\n+\n+\n+Architecture Overview\n+=====================\n+The Ethernet Switch in the DPAA2 architecture consists of several hardware\n+resources that provide the functionality. These are allocated and\n+configured via the Management Complex (MC) portals. MC abstracts most of\n+these resources as DPAA2 objects and exposes ABIs through which they can\n+be configured and controlled.\n+\n+For a more detailed description of the DPAA2 architecture and its object\n+abstractions see:\n+\tdrivers/staging/fsl-mc/README.txt\n+\n+The Ethernet Switch is built on top of a Datapath Switch (DPSW) object.\n+\n+Configuration interface:\n+\n+ ---------------------\n+ | DPAA2 Switch driver |\n+ ---------------------\n+ .\n+ .\n+ ----------\n+ | DPSW API |\n+ ----------\n+ . software\n+ ================= . ==============\n+ . hardware\n+ ---------------------\n+ | MC hardware portals |\n+ ---------------------\n+ .\n+ .\n+ ------\n+ | DPSW |\n+ ------\n+\n+Driver uses the switch device driver model and exposes each switch port as\n+a network interface, which can be included in a bridge. Traffic switched\n+between ports is offloaded into the hardware. Exposed network interfaces\n+are not used for I/O, they are used just for configuration. This\n+limitation is going to be addressed in the future.\n+\n+The DPSW can have ports connected to DPNIs or to PHYs via DPMACs.\n+\n+\n+ [ethA] [ethB] [ethC] [ethD] [ethE] [ethF]\n+ : : : : : :\n+ : : : : : :\n+[eth drv] [eth drv] [ ethsw drv ]\n+ : : : : : : kernel\n+========================================================================\n+ : : : : : : hardware\n+ [DPNI] [DPNI] [============= DPSW =================]\n+ | | | | | |\n+ | ---------- | [DPMAC] [DPMAC]\n+ ------------------------------- | |\n+ | |\n+ [PHY] [PHY]\n+\n+For a more detailed description of the Ethernet switch device driver model\n+see:\n+\tDocumentation/networking/switchdev.txt\n+\n+Creating an Ethernet Switch\n+===========================\n+A device is created for the switch objects probed on the MC bus. Each DPSW\n+has a number of properties which determine the configuration options and\n+associated hardware resources.\n+\n+A DPSW object (and the other DPAA2 objects needed for a DPAA2 switch) can\n+be added to a container on the MC bus in one of two ways: statically,\n+through a Datapath Layout Binary file (DPL) that is parsed by MC at boot\n+time; or created dynamically at runtime, via the DPAA2 objects APIs.\n+\n+Features\n+========\n+Driver configures DPSW to perform hardware switching offload of\n+unicast/multicast/broadcast (VLAN tagged or untagged) traffic between its\n+ports.\n+\n+It allows configuration of hardware learning, flooding, multicast groups,\n+port VLAN configuration and STP state.\n+\n+Static entries can be added/removed from the FDB.\n+\n+Hardware statistics for each port are provided through ethtool -S option.\n", "prefixes": [ "RESEND", "5/6" ] }