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GET /api/patches/40915/?format=api
{ "id": 40915, "url": "http://patches.dpdk.org/api/patches/40915/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1528478659-15859-16-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": "<1528478659-15859-16-git-send-email-anoob.joseph@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1528478659-15859-16-git-send-email-anoob.joseph@caviumnetworks.com", "date": "2018-06-08T17:24:14", "name": "[dpdk-dev,15/20] eventdev: add default conf for event port-lcore link", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "c8a62733015e317be1a57e25a8b55c10e4d828cc", "submitter": { "id": 893, "url": "http://patches.dpdk.org/api/people/893/?format=api", "name": "Anoob Joseph", "email": "anoob.joseph@caviumnetworks.com" }, "delegate": { "id": 310, "url": "http://patches.dpdk.org/api/users/310/?format=api", "username": "jerin", "first_name": "Jerin", "last_name": "Jacob", "email": "jerinj@marvell.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1528478659-15859-16-git-send-email-anoob.joseph@caviumnetworks.com/mbox/", "series": [ { "id": 61, "url": "http://patches.dpdk.org/api/series/61/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=61", "date": "2018-06-08T17:23:59", "name": "add eventmode helper functions", "version": 1, "mbox": "http://patches.dpdk.org/series/61/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/40915/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/40915/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 5ADF46904;\n\tFri, 8 Jun 2018 19:25:54 +0200 (CEST)", "from NAM03-BY2-obe.outbound.protection.outlook.com\n\t(mail-by2nam03on0083.outbound.protection.outlook.com [104.47.42.83])\n\tby dpdk.org (Postfix) with ESMTP id 7D5411D080\n\tfor <dev@dpdk.org>; Fri, 8 Jun 2018 19:25:52 +0200 (CEST)", "from ajoseph83.caveonetworks.com.caveonetworks.com (115.113.156.2)\n\tby DM6PR07MB4906.namprd07.prod.outlook.com (2603:10b6:5:a3::11)\n\twith Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.841.17;\n\tFri, 8 Jun 2018 17:25:48 +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=22MD7jH5Iu1YHBs65tMYGIwS0Rl3u6jzmJPCZWHr5JE=;\n\tb=Fz0ibpmqfPGI9htok0wD7CzAKL6GbfM9FuNOkx4uKlqk0gL1anpOP0sZ7RoHRGAzzowBm7VnVpw60vEGOZDsxNlYR6rtJzjC+DwoYQzaAcLzXMf9DRMwKVn2bJR9t1nTYsEjykItXWLpjpNIuFXLtTke8kMJDee1CFZj4Ld+Xfo=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Anoob.Joseph@cavium.com; ", "From": "Anoob Joseph <anoob.joseph@caviumnetworks.com>", "To": "Bruce Richardson <bruce.richardson@intel.com>,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>,\n\tPablo de Lara <pablo.de.lara.guarch@intel.com>", "Cc": "Anoob Joseph <anoob.joseph@caviumnetworks.com>,\n\tHemant Agrawal <hemant.agrawal@nxp.com>,\n\tNarayana Prasad <narayanaprasad.athreya@caviumnetworks.com>,\n\tNikhil Rao <nikhil.rao@intel.com>,\n\tPavan Nikhilesh <pbhagavatula@caviumnetworks.com>,\n\tSunil Kumar Kori <sunil.kori@nxp.com>, dev@dpdk.org", "Date": "Fri, 8 Jun 2018 22:54:14 +0530", "Message-Id": "<1528478659-15859-16-git-send-email-anoob.joseph@caviumnetworks.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1528478659-15859-1-git-send-email-anoob.joseph@caviumnetworks.com>", "References": "<1528478659-15859-1-git-send-email-anoob.joseph@caviumnetworks.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[115.113.156.2]", "X-ClientProxiedBy": "BM1PR0101CA0050.INDPRD01.PROD.OUTLOOK.COM\n\t(2603:1096:b00:19::12) To DM6PR07MB4906.namprd07.prod.outlook.com\n\t(2603:10b6:5:a3::11)", "X-MS-PublicTrafficType": "Email", "X-Microsoft-Antispam": "UriScan:; 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SFP:1101; SCL:1; SRVR:DM6PR07MB4906;\n\tH:ajoseph83.caveonetworks.com.caveonetworks.com; FPR:; SPF:None;\n\tLANG:en; PTR:InfoNoRecords; MX:1; A:1; ", "Received-SPF": "None (protection.outlook.com: cavium.com does not designate\n\tpermitted sender hosts)", "X-Microsoft-Antispam-Message-Info": "4p3Dv+4VwpfjsF6XqPBexeI9COQ8RYdYmGKTi9TF1Fa98kbRzBH6Jv6S/NomrpHqi3cNaNnN5pv7LRd4c3sb2nWXKu/tyIxzsIicwOw4c1hXz5HFEjrzhoxB+8M4gIYiU4Yb3vPCD6VLcPkzC708OvaizT9G7Iry0y+2WJkEowg/5cYuPVh1FopAMuaPyBhB", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-MS-Office365-Filtering-Correlation-Id": "8a276f14-b8f5-4991-89c6-08d5cd64e1c8", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "08 Jun 2018 17:25:48.2951\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "8a276f14-b8f5-4991-89c6-08d5cd64e1c8", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM6PR07MB4906", "Subject": "[dpdk-dev] [PATCH 15/20] eventdev: add default conf for event\n\tport-lcore link", "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://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": "<https://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": "Generate a default conf for event port-lcore link, if not specified in\nthe conf. This routine will check the number of available ports and then\ncreate links according to the number of cores available.\n\nThis patch also adds a new entry in the eventmode conf to denote that\nall queues is to be linked with every port. This enables one core to\nreceive packets from every port.\n\nSigned-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>\n---\n lib/librte_eventdev/rte_eventmode_helper.c | 109 ++++++++++++++++++++-\n .../rte_eventmode_helper_internal.h | 5 +\n 2 files changed, 113 insertions(+), 1 deletion(-)", "diff": "diff --git a/lib/librte_eventdev/rte_eventmode_helper.c b/lib/librte_eventdev/rte_eventmode_helper.c\nindex bec893c..6bdd64c 100644\n--- a/lib/librte_eventdev/rte_eventmode_helper.c\n+++ b/lib/librte_eventdev/rte_eventmode_helper.c\n@@ -87,6 +87,28 @@ internal_get_next_rx_core(struct eventmode_conf *em_conf, unsigned prev_core)\n \treturn next_core;\n }\n \n+static inline unsigned\n+internal_get_next_active_core(struct eventmode_conf *em_conf,\n+\t\tunsigned prev_core)\n+{\n+\tunsigned next_core;\n+\n+get_next_core:\n+\t/* Get the next core */\n+\tnext_core = rte_get_next_lcore(prev_core, 0, 0);\n+\n+\t/* Check if we have reached max lcores */\n+\tif (next_core == RTE_MAX_LCORE)\n+\t\treturn next_core;\n+\n+\t/* Some cores would be reserved as rx cores. Skip them */\n+\tif (em_conf->rx_core_mask & (1 << next_core)) {\n+\t\tprev_core = next_core;\n+\t\tgoto get_next_core;\n+\t}\n+\n+\treturn next_core;\n+}\n \n /* Global functions */\n \n@@ -367,6 +389,74 @@ rte_eventmode_helper_set_default_conf_adapter(struct eventmode_conf *em_conf)\n }\n \n static int\n+rte_eventmode_helper_set_default_conf_link(struct eventmode_conf *em_conf)\n+{\n+\tint i, j;\n+\tstruct eventdev_params *eventdev_config;\n+\tunsigned lcore_id = -1;\n+\tint link_index;\n+\tstruct rte_eventmode_helper_event_link_info *link;\n+\n+\t/*\n+\t * Create a 1:1 mapping from event ports to cores. If the number\n+\t * of event ports is lesser than the cores, some cores won't\n+\t * execute worker. If event ports are more, then some ports won't\n+\t * be used.\n+\t *\n+\t */\n+\n+\t/*\n+\t * The event queue-port mapping is done according to the link. Since\n+\t * we are falling back to the default link conf, enabling\n+\t * \"all_ev_queue_to_ev_port\" mode flag. This will map all queues to the\n+\t * port.\n+\t */\n+\tem_conf->ext_params.all_ev_queue_to_ev_port = 1;\n+\n+\tfor (i = 0; i < em_conf->nb_eventdev; i++) {\n+\n+\t\t/* Get event dev conf */\n+\t\teventdev_config = &(em_conf->eventdev_config[i]);\n+\n+\t\t/* Loop through the ports */\n+\t\tfor (j = 0; j < eventdev_config->nb_eventport; j++) {\n+\n+\t\t\t/* Get next active core id */\n+\t\t\tlcore_id = internal_get_next_active_core(em_conf,\n+\t\t\t\t\tlcore_id);\n+\n+\t\t\tif (lcore_id == RTE_MAX_LCORE) {\n+\t\t\t\t/* Reached max cores */\n+\t\t\t\treturn 0;\n+\t\t\t}\n+\n+\t\t\t/* Save the current combination as one link */\n+\n+\t\t\t/* Get the index */\n+\t\t\tlink_index = em_conf->nb_link;\n+\n+\t\t\t/* Get the corresponding link */\n+\t\t\tlink = &(em_conf->link[link_index]);\n+\n+\t\t\t/* Save link */\n+\t\t\tlink->eventdev_id = eventdev_config->eventdev_id;\n+\t\t\tlink->event_portid = j;\n+\t\t\tlink->lcore_id = lcore_id;\n+\n+\t\t\t/*\n+\t\t\t * Not setting eventq_id as by default all queues\n+\t\t\t * need to be mapped to the port, and is controlled\n+\t\t\t * by the operating mode.\n+\t\t\t */\n+\n+\t\t\t/* Update number of links */\n+\t\t\tem_conf->nb_link++;\n+\t\t}\n+\t}\n+\treturn 0;\n+}\n+\n+static int\n rte_eventmode_helper_validate_conf(struct eventmode_conf *em_conf)\n {\n \tint ret;\n@@ -396,6 +486,16 @@ rte_eventmode_helper_validate_conf(struct eventmode_conf *em_conf)\n \t\t\treturn ret;\n \t}\n \n+\t/*\n+\t * See if links are specified. Else generate a default conf for\n+\t * the event ports used.\n+\t */\n+\tif (em_conf->nb_link == 0) {\n+\t\tret = rte_eventmode_helper_set_default_conf_link(em_conf);\n+\t\tif (ret != 0)\n+\t\t\treturn ret;\n+\t}\n+\n \treturn 0;\n }\n \n@@ -523,7 +623,14 @@ rte_eventmode_helper_initialize_eventdev(struct eventmode_conf *em_conf)\n \t\t/* Get event dev ID */\n \t\teventdev_id = link->eventdev_id;\n \n-\t\tqueue = &(link->eventq_id);\n+\t\t/*\n+\t\t * If \"all_ev_queue_to_ev_port\" params flag is selected, all\n+\t\t * queues need to be mapped to the port.\n+\t\t */\n+\t\tif (em_conf->ext_params.all_ev_queue_to_ev_port)\n+\t\t\tqueue = NULL;\n+\t\telse\n+\t\t\tqueue = &(link->eventq_id);\n \n \t\t/* Link queue to port */\n \t\tret = rte_event_port_link(eventdev_id, link->event_portid,\ndiff --git a/lib/librte_eventdev/rte_eventmode_helper_internal.h b/lib/librte_eventdev/rte_eventmode_helper_internal.h\nindex 9db9684..3a4e52f 100644\n--- a/lib/librte_eventdev/rte_eventmode_helper_internal.h\n+++ b/lib/librte_eventdev/rte_eventmode_helper_internal.h\n@@ -93,6 +93,11 @@ struct eventmode_conf {\n \t\t/**< Stage 1 schedule type */\n \t\t\tuint64_t s2_sched_type\t\t\t: 2;\n \t\t/**< Stage 2 schedule type */\n+\t\t\tuint64_t all_ev_queue_to_ev_port\t: 1;\n+\t\t/**<\n+\t\t * When enabled, all event queues need to be mapped to\n+\t\t * each event port\n+\t\t */\n \t\t};\n \t\tuint64_t u64;\n \t} ext_params;\n", "prefixes": [ "dpdk-dev", "15/20" ] }