--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Marvell International Ltd.
+ * Copyright(c) 2018 Semihalf.
+ * All rights reserved.
+ */
+
+#include <rte_malloc.h>
+
+#include <linux/ethtool.h>
+#include <linux/sockios.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+
+#include "mrvl_tm.h"
+
+/** Minimum rate value in Bytes/s */
+#define MRVL_RATE_MIN (PP2_PPIO_MIN_CIR * 1000 / 8)
+
+/** Minimum burst size in Bytes */
+#define MRVL_BURST_MIN (PP2_PPIO_MIN_CBS * 1000)
+
+/** Maximum burst size in Bytes */
+#define MRVL_BURST_MAX 256000000
+
+/** Maximum WRR weight */
+#define MRVL_WEIGHT_MAX 255
+
+/**
+ * Get maximum port rate in Bytes/s.
+ *
+ * @param dev Pointer to the device.
+ * @param rate Pointer to the rate.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_get_max_rate(struct rte_eth_dev *dev, uint64_t *rate)
+{
+ struct ethtool_cmd edata;
+ struct ifreq req;
+ int ret, fd;
+
+ memset(&edata, 0, sizeof(edata));
+ memset(&req, 0, sizeof(req));
+ edata.cmd = ETHTOOL_GSET;
+ strcpy(req.ifr_name, dev->data->name);
+ req.ifr_data = (void *)&edata;
+
+ fd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (fd == -1)
+ return -1;
+
+ ret = ioctl(fd, SIOCETHTOOL, &req);
+ if (ret == -1) {
+ close(fd);
+ return -1;
+ }
+
+ close(fd);
+
+ *rate = ethtool_cmd_speed(&edata) * 1000 * 1000 / 8;
+
+ return 0;
+}
+
+/**
+ * Initialize traffic manager related data.
+ *
+ * @param dev Pointer to the device.
+ * @returns 0 on success, failure otherwise.
+ */
+int
+mrvl_tm_init(struct rte_eth_dev *dev)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+
+ LIST_INIT(&priv->shaper_profiles);
+ LIST_INIT(&priv->nodes);
+
+ if (priv->rate_max)
+ return 0;
+
+ return mrvl_get_max_rate(dev, &priv->rate_max);
+}
+
+/**
+ * Cleanup traffic manager related data.
+ *
+ * @param dev Pointer to the device.
+ */
+void mrvl_tm_deinit(struct rte_eth_dev *dev)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_shaper_profile *profile =
+ LIST_FIRST(&priv->shaper_profiles);
+ struct mrvl_tm_node *node = LIST_FIRST(&priv->nodes);
+
+ while (profile) {
+ struct mrvl_tm_shaper_profile *next = LIST_NEXT(profile, next);
+
+ LIST_REMOVE(profile, next);
+ rte_free(profile);
+ profile = next;
+ }
+
+ while (node) {
+ struct mrvl_tm_node *next = LIST_NEXT(node, next);
+
+ LIST_REMOVE(node, next);
+ rte_free(node);
+ node = next;
+ }
+}
+
+/**
+ * Get node using its id.
+ *
+ * @param priv Pointer to the port's private data.
+ * @param node_id Id used by this node.
+ * @returns Pointer to the node if exists, NULL otherwise.
+ */
+static struct mrvl_tm_node *
+mrvl_node_from_id(struct mrvl_priv *priv, uint32_t node_id)
+{
+ struct mrvl_tm_node *node;
+
+ LIST_FOREACH(node, &priv->nodes, next)
+ if (node->id == node_id)
+ return node;
+
+ return NULL;
+}
+
+/**
+ * Check whether node is leaf or root.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id used by this node.
+ * @param is_leaf Pointer to flag indicating whether node is a leaf.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_type_get(struct rte_eth_dev *dev, uint32_t node_id, int *is_leaf,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+
+ if (!is_leaf)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+ *is_leaf = node->type == MRVL_NODE_QUEUE ? 1 : 0;
+
+ return 0;
+}
+
+/**
+ * Get traffic manager capabilities.
+ *
+ * @param dev Pointer to the device (unused).
+ * @param cap Pointer to the capabilities.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_capabilities_get(struct rte_eth_dev *dev,
+ struct rte_tm_capabilities *cap,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+
+ if (!cap)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Capabilities are missing\n");
+
+ memset(cap, 0, sizeof(*cap));
+
+ cap->n_nodes_max = 1 + dev->data->nb_tx_queues; /* port + txqs number */
+ cap->n_levels_max = 2; /* port level + txqs level */
+ cap->non_leaf_nodes_identical = 1;
+ cap->leaf_nodes_identical = 1;
+
+ cap->shaper_n_max = cap->n_nodes_max;
+ cap->shaper_private_n_max = cap->shaper_n_max;
+ cap->shaper_private_rate_min = MRVL_RATE_MIN;
+ cap->shaper_private_rate_max = priv->rate_max;
+
+ cap->sched_n_children_max = dev->data->nb_tx_queues;
+ cap->sched_sp_n_priorities_max = dev->data->nb_tx_queues;
+ cap->sched_wfq_n_children_per_group_max = dev->data->nb_tx_queues;
+ cap->sched_wfq_n_groups_max = 1;
+ cap->sched_wfq_weight_max = MRVL_WEIGHT_MAX;
+
+ cap->dynamic_update_mask = RTE_TM_UPDATE_NODE_SUSPEND_RESUME |
+ RTE_TM_UPDATE_NODE_STATS;
+ cap->stats_mask = RTE_TM_STATS_N_PKTS | RTE_TM_STATS_N_BYTES;
+
+ return 0;
+}
+
+/**
+ * Get traffic manager hierarchy level capabilities.
+ *
+ * @param dev Pointer to the device.
+ * @param level_id Id of the level.
+ * @param cap Pointer to the level capabilities.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_level_capabilities_get(struct rte_eth_dev *dev,
+ uint32_t level_id,
+ struct rte_tm_level_capabilities *cap,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+
+ if (!cap)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ memset(cap, 0, sizeof(*cap));
+
+ if (level_id != MRVL_NODE_PORT && level_id != MRVL_NODE_QUEUE)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_LEVEL_ID,
+ NULL, "Wrong level id\n");
+
+ if (level_id == MRVL_NODE_PORT) {
+ cap->n_nodes_max = 1;
+ cap->n_nodes_nonleaf_max = 1;
+ cap->non_leaf_nodes_identical = 1;
+
+ cap->nonleaf.shaper_private_supported = 1;
+ cap->nonleaf.shaper_private_rate_min = MRVL_RATE_MIN;
+ cap->nonleaf.shaper_private_rate_max = priv->rate_max;
+
+ cap->nonleaf.sched_n_children_max = dev->data->nb_tx_queues;
+ cap->nonleaf.sched_sp_n_priorities_max = 1;
+ cap->nonleaf.sched_wfq_n_children_per_group_max =
+ dev->data->nb_tx_queues;
+ cap->nonleaf.sched_wfq_n_groups_max = 1;
+ cap->nonleaf.sched_wfq_weight_max = MRVL_WEIGHT_MAX;
+ cap->nonleaf.stats_mask = RTE_TM_STATS_N_PKTS |
+ RTE_TM_STATS_N_BYTES;
+ } else { /* level_id == MRVL_NODE_QUEUE */
+ cap->n_nodes_max = dev->data->nb_tx_queues;
+ cap->n_nodes_leaf_max = dev->data->nb_tx_queues;
+ cap->leaf_nodes_identical = 1;
+
+ cap->leaf.shaper_private_supported = 1;
+ cap->leaf.shaper_private_rate_min = MRVL_RATE_MIN;
+ cap->leaf.shaper_private_rate_max = priv->rate_max;
+ cap->leaf.stats_mask = RTE_TM_STATS_N_PKTS;
+ }
+
+ return 0;
+}
+
+/**
+ * Get node capabilities.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param cap Pointer to the capabilities.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_capabilities_get(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_node_capabilities *cap,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+
+ if (!cap)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ memset(cap, 0, sizeof(*cap));
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+ cap->shaper_private_supported = 1;
+ cap->shaper_private_rate_min = MRVL_RATE_MIN;
+ cap->shaper_private_rate_max = priv->rate_max;
+
+ if (node->type == MRVL_NODE_PORT) {
+ cap->nonleaf.sched_n_children_max = dev->data->nb_tx_queues;
+ cap->nonleaf.sched_sp_n_priorities_max = 1;
+ cap->nonleaf.sched_wfq_n_children_per_group_max =
+ dev->data->nb_tx_queues;
+ cap->nonleaf.sched_wfq_n_groups_max = 1;
+ cap->nonleaf.sched_wfq_weight_max = MRVL_WEIGHT_MAX;
+ cap->stats_mask = RTE_TM_STATS_N_PKTS | RTE_TM_STATS_N_BYTES;
+ } else {
+ cap->stats_mask = RTE_TM_STATS_N_PKTS;
+ }
+
+ return 0;
+}
+
+/**
+ * Get shaper profile using its id.
+ *
+ * @param priv Pointer to the port's private data.
+ * @param shaper_profile_id Id used by the shaper.
+ * @returns Pointer to the shaper profile if exists, NULL otherwise.
+ */
+static struct mrvl_tm_shaper_profile *
+mrvl_shaper_profile_from_id(struct mrvl_priv *priv, uint32_t shaper_profile_id)
+{
+ struct mrvl_tm_shaper_profile *profile;
+
+ LIST_FOREACH(profile, &priv->shaper_profiles, next)
+ if (profile->id == shaper_profile_id)
+ return profile;
+
+ return NULL;
+}
+
+/**
+ * Add a new shaper profile.
+ *
+ * @param dev Pointer to the device.
+ * @param shaper_profile_id Id of the new profile.
+ * @param params Pointer to the shaper profile parameters.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_shaper_profile_add(struct rte_eth_dev *dev, uint32_t shaper_profile_id,
+ struct rte_tm_shaper_params *params,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_shaper_profile *profile;
+
+ if (!params)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ if (params->committed.rate)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_RATE,
+ NULL, "Committed rate not supported\n");
+
+ if (params->committed.size)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_SIZE,
+ NULL, "Committed bucket size not supported\n");
+
+ if (params->peak.rate < MRVL_RATE_MIN ||
+ params->peak.rate > priv->rate_max)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PEAK_RATE,
+ NULL, "Peak rate is out of range\n");
+
+ if (params->peak.size < MRVL_BURST_MIN ||
+ params->peak.size > MRVL_BURST_MAX)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PEAK_SIZE,
+ NULL, "Peak size is out of range\n");
+
+ if (shaper_profile_id == RTE_TM_SHAPER_PROFILE_ID_NONE)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID,
+ NULL, "Wrong shaper profile id\n");
+
+ profile = mrvl_shaper_profile_from_id(priv, shaper_profile_id);
+ if (profile)
+ return -rte_tm_error_set(error, EEXIST,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID,
+ NULL, "Profile id already exists\n");
+
+ profile = rte_zmalloc_socket(NULL, sizeof(*profile), 0,
+ rte_socket_id());
+ if (!profile)
+ return -rte_tm_error_set(error, ENOMEM,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ profile->id = shaper_profile_id;
+ rte_memcpy(&profile->params, params, sizeof(profile->params));
+
+ LIST_INSERT_HEAD(&priv->shaper_profiles, profile, next);
+
+ return 0;
+}
+
+/**
+ * Remove a shaper profile.
+ *
+ * @param dev Pointer to the device.
+ * @param shaper_profile_id Id of the shaper profile.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_shaper_profile_delete(struct rte_eth_dev *dev, uint32_t shaper_profile_id,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_shaper_profile *profile;
+
+ profile = mrvl_shaper_profile_from_id(priv, shaper_profile_id);
+ if (!profile)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID,
+ NULL, "Profile id does not exist\n");
+
+ if (profile->refcnt)
+ return -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID,
+ NULL, "Profile is used\n");
+
+ LIST_REMOVE(profile, next);
+ rte_free(profile);
+
+ return 0;
+}
+
+/**
+ * Check node parameters.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id used by the node.
+ * @param priority Priority value.
+ * @param weight Weight value.
+ * @param level_id Id of the level.
+ * @param params Pointer to the node parameters.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_check_params(struct rte_eth_dev *dev, uint32_t node_id,
+ uint32_t priority, uint32_t weight, uint32_t level_id,
+ struct rte_tm_node_params *params,
+ struct rte_tm_error *error)
+{
+ if (node_id == RTE_TM_NODE_ID_NULL)
+ return -rte_tm_error_set(error, EINVAL, RTE_TM_NODE_ID_NULL,
+ NULL, "Node id is invalid\n");
+
+ if (priority)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PRIORITY,
+ NULL, "Priority should be 0\n");
+
+ if (weight > MRVL_WEIGHT_MAX)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_WEIGHT,
+ NULL, "Weight is out of range\n");
+
+ if (level_id != MRVL_NODE_PORT && level_id != MRVL_NODE_QUEUE)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_LEVEL_ID,
+ NULL, "Wrong level id\n");
+
+ if (!params)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ if (params->shared_shaper_id)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_SHAPER_ID,
+ NULL, "Shared shaper is not supported\n");
+
+ if (params->n_shared_shapers)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_SHAPERS,
+ NULL, "Shared shaper is not supported\n");
+
+ /* verify port (root node) settings */
+ if (node_id >= dev->data->nb_tx_queues) {
+ if (params->nonleaf.wfq_weight_mode)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE,
+ NULL, "WFQ is not supported\n");
+
+ if (params->nonleaf.n_sp_priorities != 1)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SP_PRIORITIES,
+ NULL, "SP is not supported\n");
+
+ if (params->stats_mask & ~(RTE_TM_STATS_N_PKTS |
+ RTE_TM_STATS_N_BYTES))
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_STATS,
+ NULL,
+ "Requested port stats are not supported\n");
+
+ return 0;
+ }
+
+ /* verify txq (leaf node) settings */
+ if (params->leaf.cman)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_CMAN,
+ NULL,
+ "Congestion mngmt is not supported\n");
+
+ if (params->leaf.wred.wred_profile_id)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_WRED_PROFILE_ID,
+ NULL, "WRED is not supported\n");
+
+ if (params->leaf.wred.shared_wred_context_id)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_WRED_CONTEXT_ID,
+ NULL, "WRED is not supported\n");
+
+ if (params->leaf.wred.n_shared_wred_contexts)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_WRED_CONTEXTS,
+ NULL, "WRED is not supported\n");
+
+ if (params->stats_mask & ~RTE_TM_STATS_N_PKTS)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_STATS,
+ NULL,
+ "Requested txq stats are not supported\n");
+
+ return 0;
+}
+
+/**
+ * Add a new node.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param parent_node_id Id of the parent node.
+ * @param priority Priority value.
+ * @param weight Weight value.
+ * @param level_id Id of the level.
+ * @param params Pointer to the node parameters.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_add(struct rte_eth_dev *dev, uint32_t node_id,
+ uint32_t parent_node_id, uint32_t priority, uint32_t weight,
+ uint32_t level_id, struct rte_tm_node_params *params,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_shaper_profile *profile = NULL;
+ struct mrvl_tm_node *node, *parent = NULL;
+ int ret;
+
+ if (priv->ppio)
+ return -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Port is already started\n");
+
+ ret = mrvl_node_check_params(dev, node_id, priority, weight, level_id,
+ params, error);
+ if (ret)
+ return ret;
+
+ if (params->shaper_profile_id != RTE_TM_SHAPER_PROFILE_ID_NONE) {
+ profile = mrvl_shaper_profile_from_id(priv,
+ params->shaper_profile_id);
+ if (!profile)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID,
+ NULL, "Shaper id does not exist\n");
+ }
+
+ if (parent_node_id == RTE_TM_NODE_ID_NULL) {
+ LIST_FOREACH(node, &priv->nodes, next) {
+ if (node->type != MRVL_NODE_PORT)
+ continue;
+
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Root node exists\n");
+ }
+ } else {
+ parent = mrvl_node_from_id(priv, parent_node_id);
+ if (!parent)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID,
+ NULL, "Node id does not exist\n");
+ }
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id already exists\n");
+
+ node = rte_zmalloc_socket(NULL, sizeof(*node), 0, rte_socket_id());
+ if (!node)
+ return -rte_tm_error_set(error, ENOMEM,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+
+ node->id = node_id;
+ node->type = parent_node_id == RTE_TM_NODE_ID_NULL ? MRVL_NODE_PORT :
+ MRVL_NODE_QUEUE;
+
+ if (parent) {
+ node->parent = parent;
+ parent->refcnt++;
+ }
+
+ if (profile) {
+ node->profile = profile;
+ profile->refcnt++;
+ }
+
+ node->weight = weight;
+ node->stats_mask = params->stats_mask;
+
+ LIST_INSERT_HEAD(&priv->nodes, node, next);
+
+ return 0;
+}
+
+/**
+ * Delete a node.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+
+ if (priv->ppio) {
+ return -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Port is already started\n");
+ }
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+ if (node->refcnt)
+ return -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id is used\n");
+
+ if (node->parent)
+ node->parent->refcnt--;
+
+ if (node->profile)
+ node->profile->refcnt--;
+
+ LIST_REMOVE(node, next);
+ rte_free(node);
+
+ return 0;
+}
+
+/**
+ * Helper for suspending specific tx queue.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id used by this node.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int mrvl_node_suspend_one(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error)
+{
+ int ret = dev->dev_ops->tx_queue_stop(dev, node_id);
+ if (ret)
+ return -rte_tm_error_set(error, ret,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Failed to suspend a txq\n");
+
+ return 0;
+}
+
+/**
+ * Suspend a node.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param error Pointer to the error.
+ * returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_suspend(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node, *tmp;
+ int ret;
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+ if (!node->parent) {
+ LIST_FOREACH(tmp, &priv->nodes, next) {
+ if (!tmp->parent)
+ continue;
+
+ if (node != tmp->parent)
+ continue;
+
+ ret = mrvl_node_suspend_one(dev, tmp->id, error);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+ }
+
+ return mrvl_node_suspend_one(dev, node_id, error);
+}
+
+/**
+ * Resume a node.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param error Pointer to the error.
+ * returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_resume(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+ int ret;
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+
+ if (!node->parent)
+ return -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Cannot suspend a port\n");
+
+ ret = dev->dev_ops->tx_queue_start(dev, node_id);
+ if (ret)
+ return -rte_tm_error_set(error, ret,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Failed to resume a txq\n");
+ return 0;
+}
+
+/**
+ * Apply traffic manager hierarchy.
+ *
+ * @param dev Pointer to the device.
+ * @param clear_on_fail Flag indicating whether to do cleanup on the failure.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_hierarchy_commit(struct rte_eth_dev *dev, int clear_on_fail,
+ struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+ int ret;
+
+ if (priv->ppio) {
+ ret = -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Port is already started\n");
+ goto out;
+ }
+
+ LIST_FOREACH(node, &priv->nodes, next) {
+ struct pp2_ppio_outq_params *p;
+
+ if (node->type == MRVL_NODE_PORT) {
+ if (!node->profile)
+ continue;
+
+ priv->ppio_params.rate_limit_enable = 1;
+ priv->ppio_params.rate_limit_params.cir =
+ node->profile->params.peak.rate * 8 / 1000;
+ priv->ppio_params.rate_limit_params.cbs =
+ node->profile->params.peak.size / 1000;
+
+ MRVL_LOG(INFO,
+ "Port rate limit overrides txqs rate limit");
+
+ continue;
+ }
+
+ if (node->id >= dev->data->nb_tx_queues) {
+ ret = -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_ID, NULL,
+ "Not enough txqs are configured\n");
+ goto out;
+ }
+
+ p = &priv->ppio_params.outqs_params.outqs_params[node->id];
+
+ if (node->weight) {
+ p->sched_mode = PP2_PPIO_SCHED_M_WRR;
+ p->weight = node->weight;
+ } else {
+ p->sched_mode = PP2_PPIO_SCHED_M_SP;
+ p->weight = 0;
+ }
+
+ if (node->profile) {
+ p->rate_limit_enable = 1;
+ /* convert Bytes/s to kilo bits/s */
+ p->rate_limit_params.cir =
+ node->profile->params.peak.rate * 8 / 1000;
+ /* convert bits to kilo bits */
+ p->rate_limit_params.cbs =
+ node->profile->params.peak.size / 1000;
+ } else {
+ p->rate_limit_enable = 0;
+ p->rate_limit_params.cir = 0;
+ p->rate_limit_params.cbs = 0;
+ }
+ }
+
+ /* reset to defaults in case applied tm hierarchy is empty */
+ if (LIST_EMPTY(&priv->nodes)) {
+ int i;
+
+ for (i = 0; i < priv->ppio_params.outqs_params.num_outqs; i++) {
+ struct pp2_ppio_outq_params *p =
+ &priv->ppio_params.outqs_params.outqs_params[i];
+
+ p->sched_mode = PP2_PPIO_SCHED_M_WRR;
+ p->weight = 0;
+ p->rate_limit_enable = 0;
+ p->rate_limit_params.cir = 0;
+ p->rate_limit_params.cbs = 0;
+ }
+ }
+
+ return 0;
+out:
+ if (clear_on_fail) {
+ mrvl_tm_deinit(dev);
+ mrvl_tm_init(dev);
+ }
+
+ return ret;
+}
+
+/**
+ * Read statistics counters for current node.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param stats Pointer to the statistics counters.
+ * @param stats_mask Pointer to mask of enabled statistics counters
+ * that are retrieved.
+ * @param clear Flag indicating whether to clear statistics.
+ * Non-zero value clears statistics.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_stats_read(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_node_stats *stats, uint64_t *stats_mask,
+ int clear, struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+ int ret;
+
+ if (!priv->ppio) {
+ return -rte_tm_error_set(error, EPERM,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Port is not started\n");
+ }
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+ if (stats_mask)
+ *stats_mask = node->stats_mask;
+
+ if (!stats)
+ return 0;
+
+ memset(stats, 0, sizeof(*stats));
+
+ if (!node->parent) {
+ struct pp2_ppio_statistics s;
+
+ memset(&s, 0, sizeof(s));
+ ret = pp2_ppio_get_statistics(priv->ppio, &s, clear);
+ if (ret)
+ return -rte_tm_error_set(error, -ret,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Failed to read port statistics\n");
+
+ if (node->stats_mask & RTE_TM_STATS_N_PKTS)
+ stats->n_pkts = s.tx_packets;
+
+ if (node->stats_mask & RTE_TM_STATS_N_BYTES)
+ stats->n_bytes = s.tx_bytes;
+ } else {
+ struct pp2_ppio_outq_statistics s;
+
+ memset(&s, 0, sizeof(s));
+ ret = pp2_ppio_outq_get_statistics(priv->ppio, node_id, &s,
+ clear);
+ if (ret)
+ return -rte_tm_error_set(error, -ret,
+ RTE_TM_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Failed to read txq statistics\n");
+
+ if (node->stats_mask & RTE_TM_STATS_N_PKTS)
+ stats->n_pkts = s.deq_desc;
+ }
+
+ return 0;
+}
+
+/**
+ * Update node statistics.
+ *
+ * @param dev Pointer to the device.
+ * @param node_id Id of the node.
+ * @param stats_mask Bitmask of statistics counters to be enabled.
+ * @param error Pointer to the error.
+ * @returns 0 on success, negative value otherwise.
+ */
+static int
+mrvl_node_stats_update(struct rte_eth_dev *dev, uint32_t node_id,
+ uint64_t stats_mask, struct rte_tm_error *error)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct mrvl_tm_node *node;
+
+ node = mrvl_node_from_id(priv, node_id);
+ if (!node)
+ return -rte_tm_error_set(error, ENODEV,
+ RTE_TM_ERROR_TYPE_NODE_ID,
+ NULL, "Node id does not exist\n");
+
+ if (!node->parent) {
+ if (stats_mask & ~(RTE_TM_STATS_N_PKTS | RTE_TM_STATS_N_BYTES))
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_STATS,
+ NULL,
+ "Requested port stats are not supported\n");
+ } else {
+ if (stats_mask & ~RTE_TM_STATS_N_PKTS)
+ return -rte_tm_error_set(error, EINVAL,
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_STATS,
+ NULL,
+ "Requested txq stats are not supported\n");
+ }
+
+ node->stats_mask = stats_mask;
+
+ return 0;
+}
+
+const struct rte_tm_ops mrvl_tm_ops = {
+ .node_type_get = mrvl_node_type_get,
+ .capabilities_get = mrvl_capabilities_get,
+ .level_capabilities_get = mrvl_level_capabilities_get,
+ .node_capabilities_get = mrvl_node_capabilities_get,
+ .shaper_profile_add = mrvl_shaper_profile_add,
+ .shaper_profile_delete = mrvl_shaper_profile_delete,
+ .node_add = mrvl_node_add,
+ .node_delete = mrvl_node_delete,
+ .node_suspend = mrvl_node_suspend,
+ .node_resume = mrvl_node_resume,
+ .hierarchy_commit = mrvl_hierarchy_commit,
+ .node_stats_update = mrvl_node_stats_update,
+ .node_stats_read = mrvl_node_stats_read,
+};
Code Review / deb_dpdk.git / blobdiff