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GET /api/patches/138332/?format=api
{ "id": 138332, "url": "http://patchwork.dpdk.org/api/patches/138332/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/f5310a19f7d9aeb08aa5bf31f19fe59dafadbdd7.1710344183.git.anatoly.burakov@intel.com/", "project": { "id": 1, "url": "http://patchwork.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": "<f5310a19f7d9aeb08aa5bf31f19fe59dafadbdd7.1710344183.git.anatoly.burakov@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/f5310a19f7d9aeb08aa5bf31f19fe59dafadbdd7.1710344183.git.anatoly.burakov@intel.com", "date": "2024-03-13T15:43:35", "name": "[v1,1/1] iavf: document limitation on MTU", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "03f9e70d5c4c0d8559facaddbf281cb9bc154570", "submitter": { "id": 4, "url": "http://patchwork.dpdk.org/api/people/4/?format=api", "name": "Anatoly Burakov", "email": "anatoly.burakov@intel.com" }, "delegate": { "id": 10, "url": "http://patchwork.dpdk.org/api/users/10/?format=api", "username": "bruce", "first_name": "Bruce", "last_name": "Richardson", "email": "bruce.richardson@intel.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/f5310a19f7d9aeb08aa5bf31f19fe59dafadbdd7.1710344183.git.anatoly.burakov@intel.com/mbox/", "series": [ { "id": 31497, "url": "http://patchwork.dpdk.org/api/series/31497/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=31497", "date": "2024-03-13T15:43:35", "name": "[v1,1/1] iavf: document limitation on MTU", "version": 1, "mbox": "http://patchwork.dpdk.org/series/31497/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/138332/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/138332/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 mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id C6A3143CA0;\n\tWed, 13 Mar 2024 16:43:39 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id B71C742DD5;\n\tWed, 13 Mar 2024 16:43:39 +0100 (CET)", "from mgamail.intel.com (mgamail.intel.com [192.198.163.13])\n by mails.dpdk.org (Postfix) with ESMTP id 60C8240298\n for <dev@dpdk.org>; Wed, 13 Mar 2024 16:43:38 +0100 (CET)", "from fmviesa007.fm.intel.com ([10.60.135.147])\n by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 13 Mar 2024 08:43:37 -0700", "from silpixa00401119.ir.intel.com ([10.55.129.167])\n by fmviesa007.fm.intel.com with ESMTP; 13 Mar 2024 08:43:37 -0700" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1710344618; x=1741880618;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=iPVSxeoURSQVZcYcSGy+usU+5gsGk1Vr5gWWlt/HZHM=;\n b=NpKXUR37IDMSXM+pGiMX5jiG4FRys8r+poG5dMBxhJuA2IR1Z1bLZRwd\n /gUxzB2GCvJNi6Qqgg3uaMrU0K/JiFIX/ba9Yngxdlq3R6LhTWyP5+3fO\n JCq8a8D9jxOuLH3RSn7QwZbxU+ZGL2SLmPienOKaZcGewG6JH63KHbbzf\n JJ34DjDFeQGGpYfS8O4aAkJbWAupE0RVdAYXwOM0+AjQ7gR71hHb30bJn\n H0FbyvP7JqSp/o808wszjP030jktBBd94B3iQj9jXY0E5vCG2WmEibwYD\n SP8rbOcVMFu7nxu7Lj0p1CeQthXGdAXzYWS11AhzpGPDmHKBiAWjoQT5w Q==;", "X-IronPort-AV": [ "E=McAfee;i=\"6600,9927,11011\"; a=\"8062152\"", "E=Sophos;i=\"6.07,122,1708416000\";\n d=\"scan'208\";a=\"8062152\"", "E=Sophos;i=\"6.07,122,1708416000\"; d=\"scan'208\";a=\"11861755\"" ], "X-ExtLoop1": "1", "From": "Anatoly Burakov <anatoly.burakov@intel.com>", "To": "dev@dpdk.org,\n\tYuying Zhang <Yuying.Zhang@intel.com>", "Cc": "john.mcnamara@intel.com,\n\tbruce.richardson@intel.com", "Subject": "[PATCH v1 1/1] iavf: document limitation on MTU", "Date": "Wed, 13 Mar 2024 15:43:35 +0000", "Message-ID": "\n <f5310a19f7d9aeb08aa5bf31f19fe59dafadbdd7.1710344183.git.anatoly.burakov@intel.com>", "X-Mailer": "git-send-email 2.43.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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" }, "content": "When configuring a port, the configured MTU will\nnot include VLAN tag size, but the physical\nfunction driver will add it automatically if the\nport has VLAN filtering configured, which may\nresult in seemingly valid MTU to be rejected by\nthe PF.\n\nDocument the limitation.\n\nSigned-off-by: Anatoly Burakov <anatoly.burakov@intel.com>\n---\n doc/guides/nics/intel_vf.rst | 10 ++++++++++\n 1 file changed, 10 insertions(+)", "diff": "diff --git a/doc/guides/nics/intel_vf.rst b/doc/guides/nics/intel_vf.rst\nindex ce2bd88cbe..78fd25bad4 100644\n--- a/doc/guides/nics/intel_vf.rst\n+++ b/doc/guides/nics/intel_vf.rst\n@@ -730,3 +730,13 @@ and has this issue.\n \n Set the parameter `--force-max-simd-bitwidth` as 64/128/256\n to avoid selecting AVX-512 Tx path.\n+\n+ice: VLAN tag length not included in MTU\n+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n+\n+When configuring MTU for a VF, MTU must not include VLAN tag length. In\n+practice, when kernel driver configures VLAN filtering for a VF, the VLAN\n+header tag length will be automatically added to MTU when configuring queues.\n+As a consequence, when attempting to configure a VF port with MTU that, together\n+with a VLAN tag header, exceeds maximum supported MTU, port configuration will\n+fail if kernel driver has configured VLAN filtering on that VF.\n", "prefixes": [ "v1", "1/1" ] }