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From: Wenzhuo Lu <wenzhuo.lu@intel.com>
To: dev@dpdk.org
Cc: cristian.dumitrescu@intel.com, jasvinder.singh@intel.com,
jingjing.wu@intel.com, Wenzhuo Lu <wenzhuo.lu@intel.com>
Date: Mon, 19 Jun 2017 13:43:54 +0800
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Subject: [dpdk-dev] [PATCH v2 18/20] net/ixgbe: support getting TM level
capability
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Add the support of the Traffic Management API,
rte_tm_level_capabilities_get.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
drivers/net/ixgbe/ixgbe_tm.c | 78 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c
index 010ceac..6ff7026 100644
--- a/drivers/net/ixgbe/ixgbe_tm.c
+++ b/drivers/net/ixgbe/ixgbe_tm.c
@@ -54,6 +54,10 @@ static int ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
struct rte_tm_error *error);
static int ixgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
int *is_leaf, struct rte_tm_error *error);
+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);
const struct rte_tm_ops ixgbe_tm_ops = {
.capabilities_get = ixgbe_tm_capabilities_get,
@@ -62,6 +66,7 @@ static int ixgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
.node_add = ixgbe_node_add,
.node_delete = ixgbe_node_delete,
.node_type_get = ixgbe_node_type_get,
+ .level_capabilities_get = ixgbe_level_capabilities_get,
};
int
@@ -765,3 +770,76 @@ static int ixgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
return 0;
}
+
+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)
+{
+ uint8_t nb_tc = 0;
+ uint8_t nb_queue = 0;
+
+ if (!cap || !error)
+ return -EINVAL;
+
+ if (level_id >= IXGBE_TM_NODE_TYPE_MAX) {
+ error->type = RTE_TM_ERROR_TYPE_LEVEL_ID;
+ error->message = "too deep level";
+ return -EINVAL;
+ }
+
+ nb_tc = ixgbe_tc_nb_get(dev);
+ nb_queue = dev->data->nb_tx_queues;
+
+ /* root node */
+ if (level_id == IXGBE_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 = false;
+ cap->leaf_nodes_identical = false;
+ cap->nonleaf.shaper_private_supported = true;
+ cap->nonleaf.shaper_private_dual_rate_supported = false;
+ cap->nonleaf.shaper_private_rate_min = 0;
+ /* 10Gbps -> 1.25GBps */
+ cap->nonleaf.shaper_private_rate_max = 1250000000ull;
+ cap->nonleaf.shaper_shared_n_max = 0;
+ cap->nonleaf.sched_n_children_max = nb_tc;
+ 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->nonleaf.stats_mask = 0;
+
+ return 0;
+ }
+
+ /* TC or queue node */
+ if (level_id == IXGBE_TM_NODE_TYPE_TC) {
+ /* TC */
+ cap->n_nodes_max = nb_tc;
+ cap->n_nodes_nonleaf_max = nb_tc;
+ cap->n_nodes_leaf_max = nb_tc;
+ cap->non_leaf_nodes_identical = true;
+ } else {
+ /* queue */
+ cap->n_nodes_max = nb_queue;
+ cap->n_nodes_nonleaf_max = 0;
+ cap->n_nodes_leaf_max = nb_queue;
+ cap->non_leaf_nodes_identical = false;
+ }
+ 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;
+ /* 10Gbps -> 1.25GBps */
+ cap->leaf.shaper_private_rate_max = 1250000000ull;
+ cap->leaf.shaper_shared_n_max = 0;
+ cap->leaf.cman_head_drop_supported = false;
+ cap->leaf.cman_wred_context_private_supported = false;
+ cap->leaf.cman_wred_context_shared_n_max = 0;
+ cap->leaf.stats_mask = 0;
+
+ return 0;
+}
--
1.9.3