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GET /api/patches/16998/?format=api
https://patches.dpdk.org/api/patches/16998/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1478798841-6194-1-git-send-email-fiona.trahe@intel.com/", "project": { "id": 1, "url": "https://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": "<1478798841-6194-1-git-send-email-fiona.trahe@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1478798841-6194-1-git-send-email-fiona.trahe@intel.com", "date": "2016-11-10T17:27:21", "name": "[dpdk-dev,v2] doc: add known issue on QAT PMD into release notes", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "49d29858cfd463aeeaf35ff150f1ea7800ae15df", "submitter": { "id": 423, "url": "https://patches.dpdk.org/api/people/423/?format=api", "name": "Fiona Trahe", "email": "fiona.trahe@intel.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1478798841-6194-1-git-send-email-fiona.trahe@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/16998/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/16998/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 02D96D4CE;\n\tThu, 10 Nov 2016 18:27:41 +0100 (CET)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby dpdk.org (Postfix) with ESMTP id C09D45681\n\tfor <dev@dpdk.org>; Thu, 10 Nov 2016 18:27:34 +0100 (CET)", "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby orsmga105.jf.intel.com with ESMTP; 10 Nov 2016 09:27:33 -0800", "from sivswdev01.ir.intel.com (HELO localhost.localdomain)\n\t([10.237.217.45])\n\tby orsmga001.jf.intel.com with ESMTP; 10 Nov 2016 09:27:32 -0800" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.31,619,1473145200\"; d=\"scan'208\";\n\ta=\"1057944540\"", "From": "Fiona Trahe <fiona.trahe@intel.com>", "To": "dev@dpdk.org", "Cc": "pablo.de.lara.guarch@intel.com, fiona.trahe@intel.com,\n\tjohn.griffin@intel.com", "Date": "Thu, 10 Nov 2016 17:27:21 +0000", "Message-Id": "<1478798841-6194-1-git-send-email-fiona.trahe@intel.com>", "X-Mailer": "git-send-email 1.7.0.7", "In-Reply-To": "<1478796410-15004-1-git-send-email-fiona.trahe@intel.com>", "References": "<1478796410-15004-1-git-send-email-fiona.trahe@intel.com>", "Subject": "[dpdk-dev] [PATCH v2] doc: add known issue on QAT PMD into release\n\tnotes", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://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": "<http://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": "Issue is with the digest appended feature on QAT PMD.\nA workaround is also documented.\n\nSigned-off-by: Fiona Trahe <fiona.trahe@intel.com>\nAcked-by: John McNamara <john.mcnamara@intel.com>\n---\nv2\n - fixed trailing whitespace checkpatch errors\n\n doc/guides/rel_notes/release_16_11.rst | 13 ++++++++++++-\n 1 file changed, 12 insertions(+), 1 deletion(-)", "diff": "diff --git a/doc/guides/rel_notes/release_16_11.rst b/doc/guides/rel_notes/release_16_11.rst\nindex 365b5a3..5f925b5 100644\n--- a/doc/guides/rel_notes/release_16_11.rst\n+++ b/doc/guides/rel_notes/release_16_11.rst\n@@ -213,7 +213,18 @@ Known Issues\n Therefore, in order to use L3fwd-power, vector mode should be disabled\n from the config file.\n \n-\n+* **Digest address must be supplied for crypto auth operation on QAT PMD.**\n+\n+ The cryptodev API specifies that if the rte_crypto_sym_op.digest.data field,\n+ and by inference the digest.phys_addr field which points to the same location,\n+ is not set for an auth operation the driver is to understand that the digest\n+ result is located immediately following the region over which the digest is\n+ computed. The QAT PMD doesn't correctly handle this case and reads and writes\n+ to an incorrect location.\n+\n+ Callers can workaround this by always supplying the digest virtual and\n+ physical address fields in the rte_crypto_sym_op for an auth operation.\n+\n API Changes\n -----------\n \n", "prefixes": [ "dpdk-dev", "v2" ] }{ "id": 16998, "url": "