From patchwork Sat May 27 08:17:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 24739 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 221127CF0; Sat, 27 May 2017 10:18:24 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id AAD337CAB for ; Sat, 27 May 2017 10:17:51 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 May 2017 01:17:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,400,1491289200"; d="scan'208";a="92489258" Received: from dpdk26.sh.intel.com ([10.239.128.228]) by orsmga002.jf.intel.com with ESMTP; 27 May 2017 01:17:49 -0700 From: Wenzhuo Lu To: dev@dpdk.org Cc: jingjing.wu@intel.com, cristian.dumitrescu@intel.com, jasvinder.singh@intel.com, Wenzhuo Lu Date: Sat, 27 May 2017 16:17:54 +0800 Message-Id: <1495873075-49542-20-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> References: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH 19/20] net/ixgbe: support getting TM node capability X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add the support of the Traffic Management API, rte_tm_node_capabilities_get. Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/ixgbe_tm.c | 63 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c index 4a9947d..abb4643 100644 --- a/drivers/net/ixgbe/ixgbe_tm.c +++ b/drivers/net/ixgbe/ixgbe_tm.c @@ -57,6 +57,10 @@ static int ixgbe_level_capabilities_get(struct rte_eth_dev *dev, uint32_t level_id, struct rte_tm_level_capabilities *cap, struct rte_tm_error *error); +static int ixgbe_node_capabilities_get(struct rte_eth_dev *dev, + uint32_t node_id, + struct rte_tm_node_capabilities *cap, + struct rte_tm_error *error); const struct rte_tm_ops ixgbe_tm_ops = { .capabilities_get = ixgbe_tm_capabilities_get, @@ -66,6 +70,7 @@ static int ixgbe_level_capabilities_get(struct rte_eth_dev *dev, .node_delete = ixgbe_node_delete, .node_type_get = ixgbe_node_type_get, .level_capabilities_get = ixgbe_level_capabilities_get, + .node_capabilities_get = ixgbe_node_capabilities_get, }; int @@ -716,3 +721,61 @@ static int ixgbe_level_capabilities_get(struct rte_eth_dev *dev, return 0; } + +static int +ixgbe_node_capabilities_get(struct rte_eth_dev *dev, + uint32_t node_id, + struct rte_tm_node_capabilities *cap, + struct rte_tm_error *error) +{ + enum ixgbe_tm_node_type node_type; + struct ixgbe_tm_node *tm_node; + uint8_t nb_tc = 0; + uint8_t nb_queue = 0; + + if (!cap || !error) + return -EINVAL; + + if (node_id == RTE_TM_NODE_ID_NULL) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = "invalid node id"; + return -EINVAL; + } + + nb_tc = ixgbe_tc_nb_get(dev); + nb_queue = dev->data->nb_tx_queues; + + /* check if the node id exists */ + tm_node = ixgbe_tm_node_search(dev, node_id, &node_type); + if (!tm_node) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = "no such node"; + return -EINVAL; + } + + cap->shaper_private_supported = true; + cap->shaper_private_dual_rate_supported = false; + cap->shaper_private_rate_min = 0; + /* 10Gbps -> 1.25GBps */ + cap->shaper_private_rate_max = 1250000000ull; + cap->shaper_shared_n_max = 0; + + if (node_type == IXGBE_TM_NODE_TYPE_QUEUE) { + cap->leaf.cman_head_drop_supported = false; + cap->leaf.cman_wred_context_private_supported = false; + cap->leaf.cman_wred_context_shared_n_max = 0; + } else { + if (node_type == IXGBE_TM_NODE_TYPE_PORT) + cap->nonleaf.sched_n_children_max = nb_tc; + else + cap->nonleaf.sched_n_children_max = nb_queue; + cap->nonleaf.sched_sp_n_priorities_max = 0; + cap->nonleaf.sched_wfq_n_children_per_group_max = 0; + cap->nonleaf.sched_wfq_n_groups_max = 0; + cap->nonleaf.sched_wfq_weight_max = 0; + } + + cap->stats_mask = 0; + + return 0; +}