[dpdk-dev,v2,12/20] net/ixgbe: support getting TM capability
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Commit Message
Add the support of the Traffic Management API,
rte_tm_capabilities_get.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
drivers/net/ixgbe/ixgbe_tm.c | 90 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 89 insertions(+), 1 deletion(-)
@@ -33,8 +33,12 @@
#include "ixgbe_ethdev.h"
+static int ixgbe_tm_capabilities_get(struct rte_eth_dev *dev,
+ struct rte_tm_capabilities *cap,
+ struct rte_tm_error *error);
+
const struct rte_tm_ops ixgbe_tm_ops = {
- NULL,
+ .capabilities_get = ixgbe_tm_capabilities_get,
};
int
@@ -48,3 +52,87 @@
return 0;
}
+
+static inline uint8_t
+ixgbe_tc_nb_get(struct rte_eth_dev *dev)
+{
+ struct rte_eth_conf *eth_conf;
+ uint8_t nb_tcs = 0;
+
+ eth_conf = &dev->data->dev_conf;
+ if (eth_conf->txmode.mq_mode == ETH_MQ_TX_DCB) {
+ nb_tcs = eth_conf->tx_adv_conf.dcb_tx_conf.nb_tcs;
+ } else if (eth_conf->txmode.mq_mode == ETH_MQ_TX_VMDQ_DCB) {
+ if (eth_conf->tx_adv_conf.vmdq_dcb_tx_conf.nb_queue_pools ==
+ ETH_32_POOLS)
+ nb_tcs = ETH_4_TCS;
+ else
+ nb_tcs = ETH_8_TCS;
+ } else {
+ nb_tcs = 1;
+ }
+
+ return nb_tcs;
+}
+
+static int
+ixgbe_tm_capabilities_get(struct rte_eth_dev *dev,
+ struct rte_tm_capabilities *cap,
+ struct rte_tm_error *error)
+{
+ uint8_t nb_tcs;
+ uint8_t nb_queues;
+
+ if (!cap || !error)
+ return -EINVAL;
+
+ error->type = RTE_TM_ERROR_TYPE_NONE;
+
+ /* set all the parameters to 0 first. */
+ memset(cap, 0, sizeof(struct rte_tm_capabilities));
+
+ nb_tcs = ixgbe_tc_nb_get(dev);
+ nb_queues = dev->data->nb_tx_queues;
+ /* port + TCs + queues */
+ cap->n_nodes_max = 1 + nb_tcs + nb_queues;
+ cap->n_levels_max = 3;
+ cap->non_leaf_nodes_identical = 0;
+ cap->leaf_nodes_identical = 0;
+ cap->shaper_n_max = cap->n_nodes_max;
+ cap->shaper_private_n_max = cap->n_nodes_max;
+ cap->shaper_private_dual_rate_n_max = 0;
+ cap->shaper_private_rate_min = 0;
+ /* 10Gbps -> 1.25GBps */
+ cap->shaper_private_rate_max = 1250000000ull;
+ cap->shaper_shared_n_max = 0;
+ cap->shaper_shared_n_nodes_per_shaper_max = 0;
+ cap->shaper_shared_n_shapers_per_node_max = 0;
+ cap->shaper_shared_dual_rate_n_max = 0;
+ cap->shaper_shared_rate_min = 0;
+ cap->shaper_shared_rate_max = 0;
+ cap->sched_n_children_max = (nb_tcs > nb_queues) ? nb_tcs : nb_queues;
+ cap->sched_sp_n_priorities_max = 0;
+ cap->sched_wfq_n_children_per_group_max = 0;
+ cap->sched_wfq_n_groups_max = 0;
+ cap->sched_wfq_weight_max = 0;
+ cap->cman_head_drop_supported = 0;
+ cap->dynamic_update_mask = 0;
+
+ /**
+ * not supported parameters are 0, below,
+ * shaper_pkt_length_adjust_min
+ * shaper_pkt_length_adjust_max
+ * cman_wred_context_n_max
+ * cman_wred_context_private_n_max
+ * cman_wred_context_shared_n_max
+ * cman_wred_context_shared_n_nodes_per_context_max
+ * cman_wred_context_shared_n_contexts_per_node_max
+ * mark_vlan_dei_supported
+ * mark_ip_ecn_tcp_supported
+ * mark_ip_ecn_sctp_supported
+ * mark_ip_dscp_supported
+ * stats_mask
+ */
+
+ return 0;
+}