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GET /api/patches/1049644/?format=api
{ "id": 1049644, "url": "http://patchwork.ozlabs.org/api/patches/1049644/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20190228175255.54754-4-alice.michael@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": "<20190228175255.54754-4-alice.michael@intel.com>", "list_archive_url": null, "date": "2019-02-28T17:52:50", "name": "[next,S3,4/9] i40e: ShadowRAM checksum calculation change", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "7b2f79f6466fc85f4725a34391f7e5cc8f2022b4", "submitter": { "id": 71123, "url": "http://patchwork.ozlabs.org/api/people/71123/?format=api", "name": "Michael, Alice", "email": "alice.michael@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/20190228175255.54754-4-alice.michael@intel.com/mbox/", "series": [ { "id": 94754, "url": "http://patchwork.ozlabs.org/api/series/94754/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=94754", "date": "2019-02-28T17:52:49", "name": "[next,S3,1/9] i40e: Fix for allowing too many MDD events on VF", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/94754/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1049644/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1049644/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\tspf=pass (mailfrom) smtp.mailfrom=osuosl.org\n\t(client-ip=140.211.166.136; helo=silver.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdmarc=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\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 449Ktb365Zz9s4V\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 1 Mar 2019 04:54:14 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 706A8214EB;\n\tThu, 28 Feb 2019 17:54:12 +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 nQh71sYwp+XL; Thu, 28 Feb 2019 17:54:10 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id 6FDB021539;\n\tThu, 28 Feb 2019 17:54:10 +0000 (UTC)", "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id 3C3031BF410\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 28 Feb 2019 17:54:09 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 39AED21539\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 28 Feb 2019 17:54:09 +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 WtAPz2KEqlgx for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 28 Feb 2019 17:54:07 +0000 (UTC)", "from mga05.intel.com (mga05.intel.com [192.55.52.43])\n\tby silver.osuosl.org (Postfix) with ESMTPS id 0F7BF2271C\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 28 Feb 2019 17:54:07 +0000 (UTC)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n\tby fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t28 Feb 2019 09:54:06 -0800", "from alicemic-2.jf.intel.com ([10.166.16.121])\n\tby fmsmga005.fm.intel.com with ESMTP; 28 Feb 2019 09:54:06 -0800" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.58,423,1544515200\"; d=\"scan'208\";a=\"324246225\"", "From": "Alice Michael <alice.michael@intel.com>", "To": "alice.michael@intel.com,\n\tintel-wired-lan@lists.osuosl.org", "Date": "Thu, 28 Feb 2019 09:52:50 -0800", "Message-Id": "<20190228175255.54754-4-alice.michael@intel.com>", "X-Mailer": "git-send-email 2.19.2", "In-Reply-To": "<20190228175255.54754-1-alice.michael@intel.com>", "References": "<20190228175255.54754-1-alice.michael@intel.com>", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [next PATCH S3 4/9] i40e: ShadowRAM checksum\n\tcalculation change", "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\t<intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<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\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Cc": "Maciej Paczkowski <maciej.paczkowski@intel.com>", "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: Maciej Paczkowski <maciej.paczkowski@intel.com>\n\nDue to changes in FW the SW is required to perform double SR dump in\nsome cases.\n\nImplementation adds two new steps to update nvm checksum function:\n* recalculate checksum and check if checksum in NVM is correct\n* if checksum in NVM is not correct then update it again\n\nSigned-off-by: Maciej Paczkowski <maciej.paczkowski@intel.com>\n---\n drivers/net/ethernet/intel/i40e/i40e_nvm.c | 29 +++++++++++++++++++---\n 1 file changed, 25 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c\nindex 0299e5bbb902..ee89779a9a6f 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c\n@@ -574,13 +574,34 @@ static i40e_status i40e_calc_nvm_checksum(struct i40e_hw *hw,\n i40e_status i40e_update_nvm_checksum(struct i40e_hw *hw)\n {\n \ti40e_status ret_code;\n-\tu16 checksum;\n+\tu16 checksum, checksum_sr;\n \t__le16 le_sum;\n \n \tret_code = i40e_calc_nvm_checksum(hw, &checksum);\n-\tif (!ret_code) {\n-\t\tle_sum = cpu_to_le16(checksum);\n-\t\tret_code = i40e_write_nvm_aq(hw, 0x00, I40E_SR_SW_CHECKSUM_WORD,\n+\tif (ret_code)\n+\t\treturn ret_code;\n+\n+\tle_sum = cpu_to_le16(checksum);\n+\tret_code = i40e_write_nvm_aq(hw, 0x00, I40E_SR_SW_CHECKSUM_WORD,\n+\t\t\t\t 1, &le_sum, true);\n+\tif (ret_code)\n+\t\treturn ret_code;\n+\n+\t/* Due to changes in FW the SW is required to perform double SR-dump\n+\t * in some cases. SR-dump is the process when internal shadow RAM is\n+\t * dumped into flash bank. It is triggered by setting \"last_command\"\n+\t * argument in i40e_write_nvm_aq function call.\n+\t * Since FW 1.8 we need to calculate SR checksum again and update it\n+\t * in flash if it is not equal to previously computed checksum.\n+\t * This situation would occur only in FW >= 1.8\n+\t */\n+\tret_code = i40e_calc_nvm_checksum(hw, &checksum_sr);\n+\tif (ret_code)\n+\t\treturn ret_code;\n+\tif (checksum_sr != checksum) {\n+\t\tle_sum = cpu_to_le16(checksum_sr);\n+\t\tret_code = i40e_write_nvm_aq(hw, 0x00,\n+\t\t\t\t\t I40E_SR_SW_CHECKSUM_WORD,\n \t\t\t\t\t 1, &le_sum, true);\n \t}\n \n", "prefixes": [ "next", "S3", "4/9" ] }