From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id B143258CB for ; Thu, 29 Jun 2017 06:23:34 +0200 (CEST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP; 28 Jun 2017 21:23:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,278,1496127600"; d="scan'208";a="1145901536" Received: from dpdk26.sh.intel.com ([10.67.110.152]) by orsmga001.jf.intel.com with ESMTP; 28 Jun 2017 21:23:33 -0700 From: Wenzhuo Lu To: dev@dpdk.org Cc: cristian.dumitrescu@intel.com, jasvinder.singh@intel.com, Wenzhuo Lu Date: Thu, 29 Jun 2017 12:23:46 +0800 Message-Id: <1498710237-80285-10-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1498710237-80285-1-git-send-email-wenzhuo.lu@intel.com> References: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> <1498710237-80285-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v3 09/20] net/i40e: 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: , X-List-Received-Date: Thu, 29 Jun 2017 04:23:35 -0000 Add the support of the Traffic Management API, rte_tm_node_capabilities_get. Signed-off-by: Wenzhuo Lu --- drivers/net/i40e/i40e_tm.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c index 3ab0c70..435975b 100644 --- a/drivers/net/i40e/i40e_tm.c +++ b/drivers/net/i40e/i40e_tm.c @@ -59,6 +59,10 @@ static int i40e_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 i40e_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 i40e_tm_ops = { .capabilities_get = i40e_tm_capabilities_get, @@ -68,6 +72,7 @@ static int i40e_level_capabilities_get(struct rte_eth_dev *dev, .node_delete = i40e_node_delete, .node_type_get = i40e_node_type_get, .level_capabilities_get = i40e_level_capabilities_get, + .node_capabilities_get = i40e_node_capabilities_get, }; int @@ -786,3 +791,59 @@ static int i40e_level_capabilities_get(struct rte_eth_dev *dev, return 0; } + +static int +i40e_node_capabilities_get(struct rte_eth_dev *dev, + uint32_t node_id, + struct rte_tm_node_capabilities *cap, + struct rte_tm_error *error) +{ + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + enum i40e_tm_node_type node_type; + struct i40e_tm_node *tm_node; + + 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; + } + + /* check if the node id exists */ + tm_node = i40e_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; + /* 40Gbps -> 5GBps */ + cap->shaper_private_rate_max = 5000000000ull; + cap->shaper_shared_n_max = 0; + + if (node_type == I40E_TM_NODE_TYPE_QUEUE) { + cap->leaf.cman_head_drop_supported = false; + cap->leaf.cman_wred_context_private_supported = true; + cap->leaf.cman_wred_context_shared_n_max = 0; + } else { + if (node_type == I40E_TM_NODE_TYPE_PORT) + cap->nonleaf.sched_n_children_max = + I40E_MAX_TRAFFIC_CLASS; + else + cap->nonleaf.sched_n_children_max = + hw->func_caps.num_tx_qp; + cap->nonleaf.sched_sp_n_priorities_max = 1; + cap->nonleaf.sched_wfq_n_children_per_group_max = 0; + cap->nonleaf.sched_wfq_n_groups_max = 0; + cap->nonleaf.sched_wfq_weight_max = 1; + } + + cap->stats_mask = 0; + + return 0; +} -- 1.9.3