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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>
This commit is contained in:
Wenzhuo Lu 2017-06-29 12:23:56 +08:00 committed by Cristian Dumitrescu
parent 596988e193
commit cb2ffec595
1 changed files with 61 additions and 0 deletions
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61
drivers/net/ixgbe/ixgbe_tm.c
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@ -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 @@ const struct rte_tm_ops ixgbe_tm_ops = {
.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
@ -913,3 +918,59 @@ 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)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
enum ixgbe_tm_node_type node_type = IXGBE_TM_NODE_TYPE_MAX;
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 = true;
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_DCB_MAX_TRAFFIC_CLASS;
else
cap->nonleaf.sched_n_children_max =
hw->mac.max_tx_queues;
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;
}