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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 13:43:55 +0800
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Subject: [dpdk-dev] [PATCH v2 19/20] net/ixgbe: support getting TM node
capability
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Add the support of the Traffic Management API,
rte_tm_node_capabilities_get.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
drivers/net/ixgbe/ixgbe_tm.c | 60 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c
index 6ff7026..422b8c5 100644
--- a/drivers/net/ixgbe/ixgbe_tm.c
+++ b/drivers/net/ixgbe/ixgbe_tm.c
@@ -58,6 +58,10 @@ 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,
@@ -67,6 +71,7 @@ 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
@@ -843,3 +848,58 @@ 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;
+
+ 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 = 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 =
+ ixgbe_tc_nb_get(dev);
+ else
+ cap->nonleaf.sched_n_children_max =
+ dev->data->nb_tx_queues;
+ 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;
+}
--
1.9.3