From 0fb1ef1e79302a89a1cbd145ff20b5469b73e68f Mon Sep 17 00:00:00 2001 From: Wenzhuo Lu Date: Thu, 29 Jun 2017 12:23:45 +0800 Subject: [PATCH 1/1] net/i40e: support getting TM level capability Add the support of the Traffic Management API, rte_tm_level_capabilities_get. Signed-off-by: Wenzhuo Lu --- drivers/net/i40e/i40e_tm.c | 74 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c index 4e85a9daed..8a19b5eef8 100644 --- a/drivers/net/i40e/i40e_tm.c +++ b/drivers/net/i40e/i40e_tm.c @@ -55,6 +55,10 @@ static int i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id, struct rte_tm_error *error); static int i40e_node_type_get(struct rte_eth_dev *dev, uint32_t node_id, int *is_leaf, struct rte_tm_error *error); +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); const struct rte_tm_ops i40e_tm_ops = { .capabilities_get = i40e_tm_capabilities_get, @@ -63,6 +67,7 @@ const struct rte_tm_ops i40e_tm_ops = { .node_add = i40e_node_add, .node_delete = i40e_node_delete, .node_type_get = i40e_node_type_get, + .level_capabilities_get = i40e_level_capabilities_get, }; int @@ -716,3 +721,72 @@ i40e_node_type_get(struct rte_eth_dev *dev, uint32_t node_id, return 0; } + +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) +{ + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + if (!cap || !error) + return -EINVAL; + + if (level_id >= I40E_TM_NODE_TYPE_MAX) { + error->type = RTE_TM_ERROR_TYPE_LEVEL_ID; + error->message = "too deep level"; + return -EINVAL; + } + + /* root node */ + if (level_id == I40E_TM_NODE_TYPE_PORT) { + cap->n_nodes_max = 1; + cap->n_nodes_nonleaf_max = 1; + cap->n_nodes_leaf_max = 0; + cap->non_leaf_nodes_identical = true; + cap->leaf_nodes_identical = true; + cap->nonleaf.shaper_private_supported = true; + cap->nonleaf.shaper_private_dual_rate_supported = false; + cap->nonleaf.shaper_private_rate_min = 0; + /* 40Gbps -> 5GBps */ + cap->nonleaf.shaper_private_rate_max = 5000000000ull; + cap->nonleaf.shaper_shared_n_max = 0; + cap->nonleaf.sched_n_children_max = I40E_MAX_TRAFFIC_CLASS; + 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->nonleaf.stats_mask = 0; + + return 0; + } + + /* TC or queue node */ + if (level_id == I40E_TM_NODE_TYPE_TC) { + /* TC */ + cap->n_nodes_max = I40E_MAX_TRAFFIC_CLASS; + cap->n_nodes_nonleaf_max = I40E_MAX_TRAFFIC_CLASS; + cap->n_nodes_leaf_max = 0; + cap->non_leaf_nodes_identical = true; + } else { + /* queue */ + cap->n_nodes_max = hw->func_caps.num_tx_qp; + cap->n_nodes_nonleaf_max = 0; + cap->n_nodes_leaf_max = hw->func_caps.num_tx_qp; + cap->non_leaf_nodes_identical = true; + } + cap->leaf_nodes_identical = true; + cap->leaf.shaper_private_supported = true; + cap->leaf.shaper_private_dual_rate_supported = false; + cap->leaf.shaper_private_rate_min = 0; + /* 40Gbps -> 5GBps */ + cap->leaf.shaper_private_rate_max = 5000000000ull; + cap->leaf.shaper_shared_n_max = 0; + cap->leaf.cman_head_drop_supported = false; + cap->leaf.cman_wred_context_private_supported = true; + cap->leaf.cman_wred_context_shared_n_max = 0; + cap->leaf.stats_mask = 0; + + return 0; +} -- 2.20.1