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GET /api/patches/42714/?format=api
{ "id": 42714, "url": "http://patches.dpdk.org/api/patches/42714/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1531233760-4929-3-git-send-email-anoob.joseph@caviumnetworks.com/", "project": { "id": 1, "url": "http://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": "<1531233760-4929-3-git-send-email-anoob.joseph@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1531233760-4929-3-git-send-email-anoob.joseph@caviumnetworks.com", "date": "2018-07-10T14:42:38", "name": "[v2,2/4] app/crypto-perf: honour cryptodev's min headroom/tailroom", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "1afff6bdd527b9c75c6a44ec88c96f172838d0d8", "submitter": { "id": 893, "url": "http://patches.dpdk.org/api/people/893/?format=api", "name": "Anoob Joseph", "email": "anoob.joseph@caviumnetworks.com" }, "delegate": { "id": 22, "url": "http://patches.dpdk.org/api/users/22/?format=api", "username": "pdelarag", "first_name": "Pablo", "last_name": "de Lara Guarch", "email": "pablo.de.lara.guarch@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1531233760-4929-3-git-send-email-anoob.joseph@caviumnetworks.com/mbox/", "series": [ { "id": 495, "url": "http://patches.dpdk.org/api/series/495/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=495", "date": "2018-07-10T14:42:36", "name": "add head/tailroom requirement for crypto PMDs", "version": 2, "mbox": "http://patches.dpdk.org/series/495/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/42714/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/42714/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 1ACA01B478;\n\tTue, 10 Jul 2018 16:43:29 +0200 (CEST)", "from NAM02-CY1-obe.outbound.protection.outlook.com\n\t(mail-cys01nam02on0061.outbound.protection.outlook.com\n\t[104.47.37.61]) by dpdk.org (Postfix) with ESMTP id C962D1B474\n\tfor <dev@dpdk.org>; Tue, 10 Jul 2018 16:43:26 +0200 (CEST)", "from ajoseph83.caveonetworks.com.caveonetworks.com (115.113.156.2)\n\tby DM6PR07MB4905.namprd07.prod.outlook.com (2603:10b6:5:a3::10)\n\twith Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.930.20;\n\tTue, 10 Jul 2018 14:43:22 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=j1ovcAwD557zSq09q554pgKWixGxgL1cWirU10QOr2Y=;\n\tb=m+vDyLLl9Nstt/M0wW6e3UYhxiBoidARohV308cqU31xZ4bJe1bRIM428QuZG/8PNHz6fT+WPQLPjfGDDGiyq2Es5ZzaCJR7rOVOG8z+JAH5fe/oldDWONjV4CxwjcNKNTIWjBGZrSfezXoS2OPc2IqK1bVVnaoGpZVd5wpvl7k=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Anoob.Joseph@cavium.com; ", "From": "Anoob Joseph <anoob.joseph@caviumnetworks.com>", "To": "Declan Doherty <declan.doherty@intel.com>,\n\tPablo de Lara <pablo.de.lara.guarch@intel.com>", "Cc": "Anoob Joseph <anoob.joseph@caviumnetworks.com>,\n\tAkhil Goyal <akhil.goyal@nxp.com>,\n\tAnkur Dwivedi <ankur.dwivedi@caviumnetworks.com>,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>,\n\tNarayana Prasad <narayanaprasad.athreya@caviumnetworks.com>, dev@dpdk.org", "Date": "Tue, 10 Jul 2018 20:12:38 +0530", "Message-Id": 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"t4oJIkbAFo+2caNlLRQRzrJOyMxewpWXx/orxBceJhMkqQZE8tr3C9VuH7hR7a2PUtm50e/bLqRgdPA5MSR2oCW5/nPr5/Bv/YWo8jWENN2EMN+oQyWXQa7qiBbt/+UHzcfP2AQelUdIm0Re4y4yfx2zGWg0sqTNXzkuvLjUac7kaPY9I6055jmgI0TWVm6t+wmlcuArIDoShY07PGfUXuNxsYWWSLs32KX+kBaBICHBjvA7tUme4xhv5b1OhNWs+h4mb3QESaHrNWa3zxJYN9qQmwyJ5bxMkeeqGNTU20bMRkqpJuhxjAaSHpzUBbvwuVPK2amIswFR/IB2be8QS96CxjSAGH3QL8fgHHRzAzE=", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "10 Jul 2018 14:43:22.7254\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "bcd1f266-3bbf-424c-9ed2-08d5e6737e11", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM6PR07MB4905", "Subject": "[dpdk-dev] [PATCH v2 2/4] app/crypto-perf: honour cryptodev's min\n\theadroom/tailroom", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Crypto dev would specify its headroom and tailroom requirement and the\napplication is expected to honour this while creating buffers.\n\nSigned-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>\n---\nv2:\n* No change\n\nv1:\n* Accomodated the name change of new fields\n\n app/test-crypto-perf/cperf_options.h | 2 ++\n app/test-crypto-perf/cperf_test_common.c | 33 +++++++++++++++++++++-----------\n app/test-crypto-perf/main.c | 17 ++++++++++++++++\n 3 files changed, 41 insertions(+), 11 deletions(-)", "diff": "diff --git a/app/test-crypto-perf/cperf_options.h b/app/test-crypto-perf/cperf_options.h\nindex 350ad7e..f5bf03c 100644\n--- a/app/test-crypto-perf/cperf_options.h\n+++ b/app/test-crypto-perf/cperf_options.h\n@@ -76,6 +76,8 @@ struct cperf_options {\n \n \tuint32_t pool_sz;\n \tuint32_t total_ops;\n+\tuint32_t headroom_sz;\n+\tuint32_t tailroom_sz;\n \tuint32_t segment_sz;\n \tuint32_t test_buffer_size;\n \tuint32_t *imix_buffer_sizes;\ndiff --git a/app/test-crypto-perf/cperf_test_common.c b/app/test-crypto-perf/cperf_test_common.c\nindex 423782c..e803dc1 100644\n--- a/app/test-crypto-perf/cperf_test_common.c\n+++ b/app/test-crypto-perf/cperf_test_common.c\n@@ -11,12 +11,15 @@ struct obj_params {\n \tuint32_t src_buf_offset;\n \tuint32_t dst_buf_offset;\n \tuint16_t segment_sz;\n+\tuint16_t headroom_sz;\n+\tuint16_t data_len;\n \tuint16_t segments_nb;\n };\n \n static void\n fill_single_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,\n-\t\tvoid *obj, uint32_t mbuf_offset, uint16_t segment_sz)\n+\t\tvoid *obj, uint32_t mbuf_offset, uint16_t segment_sz,\n+\t\tuint16_t headroom, uint16_t data_len)\n {\n \tuint32_t mbuf_hdr_size = sizeof(struct rte_mbuf);\n \n@@ -26,10 +29,10 @@ fill_single_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,\n \tm->buf_iova = rte_mempool_virt2iova(obj) +\n \t\tmbuf_offset + mbuf_hdr_size;\n \tm->buf_len = segment_sz;\n-\tm->data_len = segment_sz;\n+\tm->data_len = data_len;\n \n-\t/* No headroom needed for the buffer */\n-\tm->data_off = 0;\n+\t/* Use headroom specified for the buffer */\n+\tm->data_off = headroom;\n \n \t/* init some constant fields */\n \tm->pool = mp;\n@@ -42,7 +45,7 @@ fill_single_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,\n static void\n fill_multi_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,\n \t\tvoid *obj, uint32_t mbuf_offset, uint16_t segment_sz,\n-\t\tuint16_t segments_nb)\n+\t\tuint16_t headroom, uint16_t data_len, uint16_t segments_nb)\n {\n \tuint16_t mbuf_hdr_size = sizeof(struct rte_mbuf);\n \tuint16_t remaining_segments = segments_nb;\n@@ -57,10 +60,10 @@ fill_multi_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,\n \t\tm->buf_iova = next_seg_phys_addr;\n \t\tnext_seg_phys_addr += mbuf_hdr_size + segment_sz;\n \t\tm->buf_len = segment_sz;\n-\t\tm->data_len = segment_sz;\n+\t\tm->data_len = data_len;\n \n-\t\t/* No headroom needed for the buffer */\n-\t\tm->data_off = 0;\n+\t\t/* Use headroom specified for the buffer */\n+\t\tm->data_off = headroom;\n \n \t\t/* init some constant fields */\n \t\tm->pool = mp;\n@@ -99,10 +102,12 @@ mempool_obj_init(struct rte_mempool *mp,\n \top->sym->m_src = m;\n \tif (params->segments_nb == 1)\n \t\tfill_single_seg_mbuf(m, mp, obj, params->src_buf_offset,\n-\t\t\t\tparams->segment_sz);\n+\t\t\t\tparams->segment_sz, params->headroom_sz,\n+\t\t\t\tparams->data_len);\n \telse\n \t\tfill_multi_seg_mbuf(m, mp, obj, params->src_buf_offset,\n-\t\t\t\tparams->segment_sz, params->segments_nb);\n+\t\t\t\tparams->segment_sz, params->headroom_sz,\n+\t\t\t\tparams->data_len, params->segments_nb);\n \n \n \t/* Set destination buffer */\n@@ -110,7 +115,8 @@ mempool_obj_init(struct rte_mempool *mp,\n \t\tm = (struct rte_mbuf *) ((uint8_t *) obj +\n \t\t\t\tparams->dst_buf_offset);\n \t\tfill_single_seg_mbuf(m, mp, obj, params->dst_buf_offset,\n-\t\t\t\tparams->segment_sz);\n+\t\t\t\tparams->segment_sz, params->headroom_sz,\n+\t\t\t\tparams->data_len);\n \t\top->sym->m_dst = m;\n \t} else\n \t\top->sym->m_dst = NULL;\n@@ -172,6 +178,11 @@ cperf_alloc_common_memory(const struct cperf_options *options,\n \n \tstruct obj_params params = {\n \t\t.segment_sz = options->segment_sz,\n+\t\t.headroom_sz = options->headroom_sz,\n+\t\t/* Data len = segment size - (headroom + tailroom) */\n+\t\t.data_len = options->segment_sz -\n+\t\t\t options->headroom_sz -\n+\t\t\t options->tailroom_sz,\n \t\t.segments_nb = segments_nb,\n \t\t.src_buf_offset = crypto_op_total_size_padded,\n \t\t.dst_buf_offset = 0\ndiff --git a/app/test-crypto-perf/main.c b/app/test-crypto-perf/main.c\nindex 4ae1439..2c46525 100644\n--- a/app/test-crypto-perf/main.c\n+++ b/app/test-crypto-perf/main.c\n@@ -149,6 +149,23 @@ cperf_initialize_cryptodev(struct cperf_options *opts, uint8_t *enabled_cdevs,\n \t\t\t.nb_descriptors = opts->nb_descriptors\n \t\t};\n \n+\t\t/**\n+\t\t * Device info specifies the min headroom and tailroom\n+\t\t * requirement for the crypto PMD. This need to be honoured\n+\t\t * by the application, while creating mbuf.\n+\t\t */\n+\t\tif (opts->headroom_sz < cdev_info.min_mbuf_headroom_req) {\n+\t\t\t/* Update headroom */\n+\t\t\topts->headroom_sz = cdev_info.min_mbuf_headroom_req;\n+\t\t}\n+\t\tif (opts->tailroom_sz < cdev_info.min_mbuf_tailroom_req) {\n+\t\t\t/* Update tailroom */\n+\t\t\topts->tailroom_sz = cdev_info.min_mbuf_tailroom_req;\n+\t\t}\n+\n+\t\t/* Update segment size to include headroom & tailroom */\n+\t\topts->segment_sz += (opts->headroom_sz + opts->tailroom_sz);\n+\n \t\tif (session_pool_socket[socket_id] == NULL) {\n \t\t\tchar mp_name[RTE_MEMPOOL_NAMESIZE];\n \t\t\tstruct rte_mempool *sess_mp;\n", "prefixes": [ "v2", "2/4" ] }