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GET /api/patches/1300352/?format=api
{ "id": 1300352, "url": "http://patchwork.ozlabs.org/api/patches/1300352/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20200529052712.4214-1-jeffrey.t.kirsher@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20200529052712.4214-1-jeffrey.t.kirsher@intel.com>", "list_archive_url": null, "date": "2020-05-29T05:27:12", "name": "[next-queue,v3] i40e: Add a check to see if MFS is set", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "f36fd26acfacd6a262f22b76dc82955cf2e46bc6", "submitter": { "id": 473, "url": "http://patchwork.ozlabs.org/api/people/473/?format=api", "name": "Kirsher, Jeffrey T", "email": "jeffrey.t.kirsher@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20200529052712.4214-1-jeffrey.t.kirsher@intel.com/mbox/", "series": [ { "id": 180081, "url": "http://patchwork.ozlabs.org/api/series/180081/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=180081", "date": "2020-05-29T05:27:12", "name": "[next-queue,v3] i40e: Add a check to see if MFS is set", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/180081/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1300352/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1300352/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.136; helo=silver.osuosl.org;\n envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=<UNKNOWN>)", "ozlabs.org;\n dmarc=fail (p=none dis=none) header.from=intel.com" ], "Received": [ "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 49YCkK38Blz9sSs\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 29 May 2020 15:27:21 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 941CE2078C;\n\tFri, 29 May 2020 05:27:19 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id At2Nwf5laEpc; Fri, 29 May 2020 05:27:17 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id A51692043F;\n\tFri, 29 May 2020 05:27:17 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n by ash.osuosl.org (Postfix) with ESMTP id 1EF9F1BF841\n for <intel-wired-lan@lists.osuosl.org>; Fri, 29 May 2020 05:27:17 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n by hemlock.osuosl.org (Postfix) with ESMTP id 13C9C8914E\n for <intel-wired-lan@lists.osuosl.org>; Fri, 29 May 2020 05:27:17 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n with ESMTP id ndohgIEhb2N6 for <intel-wired-lan@lists.osuosl.org>;\n Fri, 29 May 2020 05:27:16 +0000 (UTC)", "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n by hemlock.osuosl.org (Postfix) with ESMTPS id 0B7188874A\n for <intel-wired-lan@lists.osuosl.org>; Fri, 29 May 2020 05:27:16 +0000 (UTC)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 28 May 2020 22:27:15 -0700", "from jtkirshe-desk1.jf.intel.com ([134.134.177.86])\n by fmsmga005.fm.intel.com with ESMTP; 28 May 2020 22:27:14 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "IronPort-SDR": [ "\n 7xTcrfy1A+23kjlrDmrLt+rDt+P92x+jjmd4n2i9z+q/8VFERLHaTUzDVC2MzK2PfWTB6Mx4Zi\n QmpZpHpoDGIw==", "\n GkdMD4bE62DTGmXvIHs94LEw9Izp5ah1AXtsceki22aOne12fvYN8A3N2ZMKUdLdlwcEr70fDB\n T1Qxkdj+ntPg==" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.73,447,1583222400\"; d=\"scan'208\";a=\"469389824\"", "From": "Jeff Kirsher <jeffrey.t.kirsher@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Thu, 28 May 2020 22:27:12 -0700", "Message-Id": "<20200529052712.4214-1-jeffrey.t.kirsher@intel.com>", "X-Mailer": "git-send-email 2.26.2", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [next-queue v3] i40e: Add a check to see if MFS\n is set", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "From: Todd Fujinaka <todd.fujinaka@intel.com>\n\nA customer was chain-booting to provision his systems and one of the\nsteps was setting MFS. MFS isn't cleared by normal warm reboots\n(clearing requires a GLOBR) and there was no indication of why Jumbo\nFrame receives were failing.\n\nAdd a warning if MFS is set to anything lower than the default.\n\nSigned-off-by: Todd Fujinaka <todd.fujinaka@intel.com>\n---\nv3: removed the unnecessary 'for loop'\n\n drivers/net/ethernet/intel/i40e/i40e_main.c | 8 ++++++++\n 1 file changed, 8 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c\nindex 77a6be8ee112..2e454b0d71ee 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_main.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c\n@@ -15295,6 +15295,14 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)\n \t\t\ti40e_stat_str(&pf->hw, err),\n \t\t\ti40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));\n \n+\t/* make sure the MFS hasn't been set lower than the default */\n+#define MAX_FRAME_SIZE_DEFAULT 0x2600\n+\tval = (rd32(&pf->hw, I40E_PRTGL_SAH) &\n+\t I40E_PRTGL_SAH_MFS_MASK) >> I40E_PRTGL_SAH_MFS_SHIFT;\n+\tif (val < MAX_FRAME_SIZE_DEFAULT)\n+\t\tdev_warn(&pdev->dev, \"MFS for port %x has been set below the default: %x\\n\",\n+\t\t\t i, val);\n+\n \t/* Add a filter to drop all Flow control frames from any VSI from being\n \t * transmitted. By doing so we stop a malicious VF from sending out\n \t * PAUSE or PFC frames and potentially controlling traffic for other\n", "prefixes": [ "next-queue", "v3" ] }