uint32_t level_id,
struct rte_tm_level_capabilities *cap,
struct rte_tm_error *error);
+static int i40e_node_capabilities_get(struct rte_eth_dev *dev,
+ uint32_t node_id,
+ struct rte_tm_node_capabilities *cap,
+ struct rte_tm_error *error);
+static int i40e_hierarchy_commit(struct rte_eth_dev *dev,
+ int clear_on_fail,
+ struct rte_tm_error *error);
const struct rte_tm_ops i40e_tm_ops = {
.capabilities_get = i40e_tm_capabilities_get,
.node_delete = i40e_node_delete,
.node_type_get = i40e_node_type_get,
.level_capabilities_get = i40e_level_capabilities_get,
+ .node_capabilities_get = i40e_node_capabilities_get,
+ .hierarchy_commit = i40e_hierarchy_commit,
};
int
return 0;
}
+
+static int
+i40e_node_capabilities_get(struct rte_eth_dev *dev,
+ uint32_t node_id,
+ struct rte_tm_node_capabilities *cap,
+ struct rte_tm_error *error)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ enum i40e_tm_node_type node_type;
+ struct i40e_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 = i40e_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;
+ /* 40Gbps -> 5GBps */
+ cap->shaper_private_rate_max = 5000000000ull;
+ cap->shaper_shared_n_max = 0;
+
+ if (node_type == I40E_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 == I40E_TM_NODE_TYPE_PORT)
+ cap->nonleaf.sched_n_children_max =
+ I40E_MAX_TRAFFIC_CLASS;
+ else
+ cap->nonleaf.sched_n_children_max =
+ hw->func_caps.num_tx_qp;
+ 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;
+}
+
+static int
+i40e_hierarchy_commit(struct rte_eth_dev *dev,
+ int clear_on_fail,
+ struct rte_tm_error *error)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_tm_node_list *tc_list = &pf->tm_conf.tc_list;
+ struct i40e_tm_node_list *queue_list = &pf->tm_conf.queue_list;
+ struct i40e_tm_node *tm_node;
+ struct i40e_vsi *vsi;
+ struct i40e_hw *hw;
+ struct i40e_aqc_configure_vsi_ets_sla_bw_data tc_bw;
+ uint64_t bw;
+ uint8_t tc_map;
+ int ret;
+ int i;
+
+ if (!error)
+ return -EINVAL;
+
+ /* check the setting */
+ if (!pf->tm_conf.root)
+ goto done;
+
+ vsi = pf->main_vsi;
+ hw = I40E_VSI_TO_HW(vsi);
+
+ /**
+ * Don't support bandwidth control for port and TCs in parallel.
+ * If the port has a max bandwidth, the TCs should have none.
+ */
+ /* port */
+ bw = pf->tm_conf.root->shaper_profile->profile.peak.rate;
+ if (bw) {
+ /* check if any TC has a max bandwidth */
+ TAILQ_FOREACH(tm_node, tc_list, node) {
+ if (tm_node->shaper_profile->profile.peak.rate) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message = "no port and TC max bandwidth"
+ " in parallel";
+ goto fail_clear;
+ }
+ }
+
+ /* interpret Bps to 50Mbps */
+ bw = bw * 8 / 1000 / 1000 / I40E_QOS_BW_GRANULARITY;
+
+ /* set the max bandwidth */
+ ret = i40e_aq_config_vsi_bw_limit(hw, vsi->seid,
+ (uint16_t)bw, 0, NULL);
+ if (ret) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message = "fail to set port max bandwidth";
+ goto fail_clear;
+ }
+
+ goto done;
+ }
+
+ /* TC */
+ memset(&tc_bw, 0, sizeof(tc_bw));
+ tc_bw.tc_valid_bits = vsi->enabled_tc;
+ tc_map = vsi->enabled_tc;
+ TAILQ_FOREACH(tm_node, tc_list, node) {
+ if (!tm_node->reference_count) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
+ error->message = "TC without queue assigned";
+ goto fail_clear;
+ }
+
+ i = 0;
+ while (i < I40E_MAX_TRAFFIC_CLASS && !(tc_map & BIT_ULL(i)))
+ i++;
+ if (i >= I40E_MAX_TRAFFIC_CLASS) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
+ error->message = "cannot find the TC";
+ goto fail_clear;
+ }
+ tc_map &= ~BIT_ULL(i);
+
+ bw = tm_node->shaper_profile->profile.peak.rate;
+ if (!bw)
+ continue;
+
+ /* interpret Bps to 50Mbps */
+ bw = bw * 8 / 1000 / 1000 / I40E_QOS_BW_GRANULARITY;
+
+ tc_bw.tc_bw_credits[i] = rte_cpu_to_le_16((uint16_t)bw);
+ }
+
+ TAILQ_FOREACH(tm_node, queue_list, node) {
+ bw = tm_node->shaper_profile->profile.peak.rate;
+ if (bw) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
+ error->message = "not support queue QoS";
+ goto fail_clear;
+ }
+ }
+
+ ret = i40e_aq_config_vsi_ets_sla_bw_limit(hw, vsi->seid, &tc_bw, NULL);
+ if (ret) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message = "fail to set TC max bandwidth";
+ goto fail_clear;
+ }
+
+ goto done;
+
+done:
+ pf->tm_conf.committed = true;
+ return 0;
+
+fail_clear:
+ /* clear all the traffic manager configuration */
+ if (clear_on_fail) {
+ i40e_tm_conf_uninit(dev);
+ i40e_tm_conf_init(dev);
+ }
+ return -EINVAL;
+}
git.droids-corp.org / dpdk.git / blobdiff