--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_malloc.h>
+
+#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);
+static int ixgbe_shaper_profile_add(struct rte_eth_dev *dev,
+ uint32_t shaper_profile_id,
+ struct rte_tm_shaper_params *profile,
+ struct rte_tm_error *error);
+static int ixgbe_shaper_profile_del(struct rte_eth_dev *dev,
+ uint32_t shaper_profile_id,
+ struct rte_tm_error *error);
+static int ixgbe_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);
+static int ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error);
+static int ixgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+ int *is_leaf, struct rte_tm_error *error);
+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);
+static int ixgbe_hierarchy_commit(struct rte_eth_dev *dev,
+ int clear_on_fail,
+ struct rte_tm_error *error);
+
+const struct rte_tm_ops ixgbe_tm_ops = {
+ .capabilities_get = ixgbe_tm_capabilities_get,
+ .shaper_profile_add = ixgbe_shaper_profile_add,
+ .shaper_profile_delete = ixgbe_shaper_profile_del,
+ .node_add = ixgbe_node_add,
+ .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,
+ .hierarchy_commit = ixgbe_hierarchy_commit,
+};
+
+int
+ixgbe_tm_ops_get(struct rte_eth_dev *dev __rte_unused,
+ void *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ *(const void **)arg = &ixgbe_tm_ops;
+
+ return 0;
+}
+
+void
+ixgbe_tm_conf_init(struct rte_eth_dev *dev)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+
+ /* initialize shaper profile list */
+ TAILQ_INIT(&tm_conf->shaper_profile_list);
+
+ /* initialize node configuration */
+ tm_conf->root = NULL;
+ TAILQ_INIT(&tm_conf->queue_list);
+ TAILQ_INIT(&tm_conf->tc_list);
+ tm_conf->nb_tc_node = 0;
+ tm_conf->nb_queue_node = 0;
+ tm_conf->committed = false;
+}
+
+void
+ixgbe_tm_conf_uninit(struct rte_eth_dev *dev)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ struct ixgbe_tm_shaper_profile *shaper_profile;
+ struct ixgbe_tm_node *tm_node;
+
+ /* clear node configuration */
+ while ((tm_node = TAILQ_FIRST(&tm_conf->queue_list))) {
+ TAILQ_REMOVE(&tm_conf->queue_list, tm_node, node);
+ rte_free(tm_node);
+ }
+ tm_conf->nb_queue_node = 0;
+ while ((tm_node = TAILQ_FIRST(&tm_conf->tc_list))) {
+ TAILQ_REMOVE(&tm_conf->tc_list, tm_node, node);
+ rte_free(tm_node);
+ }
+ tm_conf->nb_tc_node = 0;
+ if (tm_conf->root) {
+ rte_free(tm_conf->root);
+ tm_conf->root = NULL;
+ }
+
+ /* Remove all shaper profiles */
+ while ((shaper_profile =
+ TAILQ_FIRST(&tm_conf->shaper_profile_list))) {
+ TAILQ_REMOVE(&tm_conf->shaper_profile_list,
+ shaper_profile, node);
+ rte_free(shaper_profile);
+ }
+}
+
+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)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint8_t tc_nb = ixgbe_tc_nb_get(dev);
+
+ if (!cap || !error)
+ return -EINVAL;
+
+ if (tc_nb > hw->mac.max_tx_queues)
+ return -EINVAL;
+
+ error->type = RTE_TM_ERROR_TYPE_NONE;
+
+ /* set all the parameters to 0 first. */
+ memset(cap, 0, sizeof(struct rte_tm_capabilities));
+
+ /**
+ * here is the max capability not the current configuration.
+ */
+ /* port + TCs + queues */
+ cap->n_nodes_max = 1 + IXGBE_DCB_MAX_TRAFFIC_CLASS +
+ hw->mac.max_tx_queues;
+ cap->n_levels_max = 3;
+ 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->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 = hw->mac.max_tx_queues;
+ /**
+ * HW supports SP. But no plan to support it now.
+ * So, all the nodes should have the same priority.
+ */
+ cap->sched_sp_n_priorities_max = 1;
+ cap->sched_wfq_n_children_per_group_max = 0;
+ cap->sched_wfq_n_groups_max = 0;
+ /**
+ * SW only supports fair round robin now.
+ * So, all the nodes should have the same weight.
+ */
+ cap->sched_wfq_weight_max = 1;
+ cap->cman_head_drop_supported = 0;
+ cap->dynamic_update_mask = 0;
+ cap->shaper_pkt_length_adjust_min = RTE_TM_ETH_FRAMING_OVERHEAD;
+ cap->shaper_pkt_length_adjust_max = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
+ cap->cman_wred_context_n_max = 0;
+ cap->cman_wred_context_private_n_max = 0;
+ cap->cman_wred_context_shared_n_max = 0;
+ cap->cman_wred_context_shared_n_nodes_per_context_max = 0;
+ cap->cman_wred_context_shared_n_contexts_per_node_max = 0;
+ cap->stats_mask = 0;
+
+ return 0;
+}
+
+static inline struct ixgbe_tm_shaper_profile *
+ixgbe_shaper_profile_search(struct rte_eth_dev *dev,
+ uint32_t shaper_profile_id)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ struct ixgbe_shaper_profile_list *shaper_profile_list =
+ &tm_conf->shaper_profile_list;
+ struct ixgbe_tm_shaper_profile *shaper_profile;
+
+ TAILQ_FOREACH(shaper_profile, shaper_profile_list, node) {
+ if (shaper_profile_id == shaper_profile->shaper_profile_id)
+ return shaper_profile;
+ }
+
+ return NULL;
+}
+
+static int
+ixgbe_shaper_profile_param_check(struct rte_tm_shaper_params *profile,
+ struct rte_tm_error *error)
+{
+ /* min rate not supported */
+ if (profile->committed.rate) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_RATE;
+ error->message = "committed rate not supported";
+ return -EINVAL;
+ }
+ /* min bucket size not supported */
+ if (profile->committed.size) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_SIZE;
+ error->message = "committed bucket size not supported";
+ return -EINVAL;
+ }
+ /* max bucket size not supported */
+ if (profile->peak.size) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PEAK_SIZE;
+ error->message = "peak bucket size not supported";
+ return -EINVAL;
+ }
+ /* length adjustment not supported */
+ if (profile->pkt_length_adjust) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PKT_ADJUST_LEN;
+ error->message = "packet length adjustment not supported";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+ixgbe_shaper_profile_add(struct rte_eth_dev *dev,
+ uint32_t shaper_profile_id,
+ struct rte_tm_shaper_params *profile,
+ struct rte_tm_error *error)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ struct ixgbe_tm_shaper_profile *shaper_profile;
+ int ret;
+
+ if (!profile || !error)
+ return -EINVAL;
+
+ ret = ixgbe_shaper_profile_param_check(profile, error);
+ if (ret)
+ return ret;
+
+ shaper_profile = ixgbe_shaper_profile_search(dev, shaper_profile_id);
+
+ if (shaper_profile) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID;
+ error->message = "profile ID exist";
+ return -EINVAL;
+ }
+
+ shaper_profile = rte_zmalloc("ixgbe_tm_shaper_profile",
+ sizeof(struct ixgbe_tm_shaper_profile),
+ 0);
+ if (!shaper_profile)
+ return -ENOMEM;
+ shaper_profile->shaper_profile_id = shaper_profile_id;
+ (void)rte_memcpy(&shaper_profile->profile, profile,
+ sizeof(struct rte_tm_shaper_params));
+ TAILQ_INSERT_TAIL(&tm_conf->shaper_profile_list,
+ shaper_profile, node);
+
+ return 0;
+}
+
+static int
+ixgbe_shaper_profile_del(struct rte_eth_dev *dev,
+ uint32_t shaper_profile_id,
+ struct rte_tm_error *error)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ struct ixgbe_tm_shaper_profile *shaper_profile;
+
+ if (!error)
+ return -EINVAL;
+
+ shaper_profile = ixgbe_shaper_profile_search(dev, shaper_profile_id);
+
+ if (!shaper_profile) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID;
+ error->message = "profile ID not exist";
+ return -EINVAL;
+ }
+
+ /* don't delete a profile if it's used by one or several nodes */
+ if (shaper_profile->reference_count) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message = "profile in use";
+ return -EINVAL;
+ }
+
+ TAILQ_REMOVE(&tm_conf->shaper_profile_list, shaper_profile, node);
+ rte_free(shaper_profile);
+
+ return 0;
+}
+
+static inline struct ixgbe_tm_node *
+ixgbe_tm_node_search(struct rte_eth_dev *dev, uint32_t node_id,
+ enum ixgbe_tm_node_type *node_type)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ struct ixgbe_tm_node *tm_node;
+
+ if (tm_conf->root && tm_conf->root->id == node_id) {
+ *node_type = IXGBE_TM_NODE_TYPE_PORT;
+ return tm_conf->root;
+ }
+
+ TAILQ_FOREACH(tm_node, &tm_conf->tc_list, node) {
+ if (tm_node->id == node_id) {
+ *node_type = IXGBE_TM_NODE_TYPE_TC;
+ return tm_node;
+ }
+ }
+
+ TAILQ_FOREACH(tm_node, &tm_conf->queue_list, node) {
+ if (tm_node->id == node_id) {
+ *node_type = IXGBE_TM_NODE_TYPE_QUEUE;
+ return tm_node;
+ }
+ }
+
+ return NULL;
+}
+
+static void
+ixgbe_queue_base_nb_get(struct rte_eth_dev *dev, uint16_t tc_node_no,
+ uint16_t *base, uint16_t *nb)
+{
+ uint8_t nb_tcs = ixgbe_tc_nb_get(dev);
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ uint16_t vf_num = pci_dev->max_vfs;
+
+ *base = 0;
+ *nb = 0;
+
+ /* VT on */
+ if (vf_num) {
+ /* no DCB */
+ if (nb_tcs == 1) {
+ if (vf_num >= ETH_32_POOLS) {
+ *nb = 2;
+ *base = vf_num * 2;
+ } else if (vf_num >= ETH_16_POOLS) {
+ *nb = 4;
+ *base = vf_num * 4;
+ } else {
+ *nb = 8;
+ *base = vf_num * 8;
+ }
+ } else {
+ /* DCB */
+ *nb = 1;
+ *base = vf_num * nb_tcs + tc_node_no;
+ }
+ } else {
+ /* VT off */
+ if (nb_tcs == ETH_8_TCS) {
+ switch (tc_node_no) {
+ case 0:
+ *base = 0;
+ *nb = 32;
+ break;
+ case 1:
+ *base = 32;
+ *nb = 32;
+ break;
+ case 2:
+ *base = 64;
+ *nb = 16;
+ break;
+ case 3:
+ *base = 80;
+ *nb = 16;
+ break;
+ case 4:
+ *base = 96;
+ *nb = 8;
+ break;
+ case 5:
+ *base = 104;
+ *nb = 8;
+ break;
+ case 6:
+ *base = 112;
+ *nb = 8;
+ break;
+ case 7:
+ *base = 120;
+ *nb = 8;
+ break;
+ default:
+ return;
+ }
+ } else {
+ switch (tc_node_no) {
+ /**
+ * If no VF and no DCB, only 64 queues can be used.
+ * This case also be covered by this "case 0".
+ */
+ case 0:
+ *base = 0;
+ *nb = 64;
+ break;
+ case 1:
+ *base = 64;
+ *nb = 32;
+ break;
+ case 2:
+ *base = 96;
+ *nb = 16;
+ break;
+ case 3:
+ *base = 112;
+ *nb = 16;
+ break;
+ default:
+ return;
+ }
+ }
+ }
+}
+
+static int
+ixgbe_node_param_check(uint32_t node_id, uint32_t parent_node_id,
+ uint32_t priority, uint32_t weight,
+ struct rte_tm_node_params *params,
+ struct rte_tm_error *error)
+{
+ if (node_id == RTE_TM_NODE_ID_NULL) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message = "invalid node id";
+ return -EINVAL;
+ }
+
+ if (priority) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PRIORITY;
+ error->message = "priority should be 0";
+ return -EINVAL;
+ }
+
+ if (weight != 1) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_WEIGHT;
+ error->message = "weight must be 1";
+ return -EINVAL;
+ }
+
+ /* not support shared shaper */
+ if (params->shared_shaper_id) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_SHAPER_ID;
+ error->message = "shared shaper not supported";
+ return -EINVAL;
+ }
+ if (params->n_shared_shapers) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_SHAPERS;
+ error->message = "shared shaper not supported";
+ return -EINVAL;
+ }
+
+ /* for root node */
+ if (parent_node_id == RTE_TM_NODE_ID_NULL) {
+ /* check the unsupported parameters */
+ if (params->nonleaf.wfq_weight_mode) {
+ error->type =
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
+ error->message = "WFQ not supported";
+ return -EINVAL;
+ }
+ if (params->nonleaf.n_sp_priorities != 1) {
+ error->type =
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SP_PRIORITIES;
+ error->message = "SP priority not supported";
+ return -EINVAL;
+ } else if (params->nonleaf.wfq_weight_mode &&
+ !(*params->nonleaf.wfq_weight_mode)) {
+ error->type =
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
+ error->message = "WFP should be byte mode";
+ return -EINVAL;
+ }
+
+ return 0;
+ }
+
+ /* for TC or queue node */
+ /* check the unsupported parameters */
+ if (params->leaf.cman) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_CMAN;
+ error->message = "Congestion management not supported";
+ return -EINVAL;
+ }
+ if (params->leaf.wred.wred_profile_id !=
+ RTE_TM_WRED_PROFILE_ID_NONE) {
+ error->type =
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_WRED_PROFILE_ID;
+ error->message = "WRED not supported";
+ return -EINVAL;
+ }
+ if (params->leaf.wred.shared_wred_context_id) {
+ error->type =
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_WRED_CONTEXT_ID;
+ error->message = "WRED not supported";
+ return -EINVAL;
+ }
+ if (params->leaf.wred.n_shared_wred_contexts) {
+ error->type =
+ RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_WRED_CONTEXTS;
+ error->message = "WRED not supported";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * Now the TC and queue configuration is controlled by DCB.
+ * We need check if the node configuration follows the DCB configuration.
+ * In the future, we may use TM to cover DCB.
+ */
+static int
+ixgbe_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 ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ enum ixgbe_tm_node_type node_type = IXGBE_TM_NODE_TYPE_MAX;
+ enum ixgbe_tm_node_type parent_node_type = IXGBE_TM_NODE_TYPE_MAX;
+ struct ixgbe_tm_shaper_profile *shaper_profile;
+ struct ixgbe_tm_node *tm_node;
+ struct ixgbe_tm_node *parent_node;
+ uint8_t nb_tcs;
+ uint16_t q_base = 0;
+ uint16_t q_nb = 0;
+ int ret;
+
+ if (!params || !error)
+ return -EINVAL;
+
+ /* if already committed */
+ if (tm_conf->committed) {
+ error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
+ error->message = "already committed";
+ return -EINVAL;
+ }
+
+ ret = ixgbe_node_param_check(node_id, parent_node_id, priority, weight,
+ params, error);
+ if (ret)
+ return ret;
+
+ /* check if the node ID is already used */
+ if (ixgbe_tm_node_search(dev, node_id, &node_type)) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message = "node id already used";
+ return -EINVAL;
+ }
+
+ /* check the shaper profile id */
+ shaper_profile = ixgbe_shaper_profile_search(dev,
+ params->shaper_profile_id);
+ if (!shaper_profile) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_SHAPER_PROFILE_ID;
+ error->message = "shaper profile not exist";
+ return -EINVAL;
+ }
+
+ /* root node if not have a parent */
+ if (parent_node_id == RTE_TM_NODE_ID_NULL) {
+ /* check level */
+ if (level_id != RTE_TM_NODE_LEVEL_ID_ANY &&
+ level_id > IXGBE_TM_NODE_TYPE_PORT) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
+ error->message = "Wrong level";
+ return -EINVAL;
+ }
+
+ /* obviously no more than one root */
+ if (tm_conf->root) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
+ error->message = "already have a root";
+ return -EINVAL;
+ }
+
+ /* add the root node */
+ tm_node = rte_zmalloc("ixgbe_tm_node",
+ sizeof(struct ixgbe_tm_node),
+ 0);
+ if (!tm_node)
+ return -ENOMEM;
+ tm_node->id = node_id;
+ tm_node->priority = priority;
+ tm_node->weight = weight;
+ tm_node->reference_count = 0;
+ tm_node->no = 0;
+ tm_node->parent = NULL;
+ tm_node->shaper_profile = shaper_profile;
+ (void)rte_memcpy(&tm_node->params, params,
+ sizeof(struct rte_tm_node_params));
+ tm_conf->root = tm_node;
+
+ /* increase the reference counter of the shaper profile */
+ shaper_profile->reference_count++;
+
+ return 0;
+ }
+
+ /* TC or queue node */
+ /* check the parent node */
+ parent_node = ixgbe_tm_node_search(dev, parent_node_id,
+ &parent_node_type);
+ if (!parent_node) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
+ error->message = "parent not exist";
+ return -EINVAL;
+ }
+ if (parent_node_type != IXGBE_TM_NODE_TYPE_PORT &&
+ parent_node_type != IXGBE_TM_NODE_TYPE_TC) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
+ error->message = "parent is not port or TC";
+ return -EINVAL;
+ }
+ /* check level */
+ if (level_id != RTE_TM_NODE_LEVEL_ID_ANY &&
+ level_id != parent_node_type + 1) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
+ error->message = "Wrong level";
+ return -EINVAL;
+ }
+
+ /* check the node number */
+ if (parent_node_type == IXGBE_TM_NODE_TYPE_PORT) {
+ /* check TC number */
+ nb_tcs = ixgbe_tc_nb_get(dev);
+ if (tm_conf->nb_tc_node >= nb_tcs) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message = "too many TCs";
+ return -EINVAL;
+ }
+ } else {
+ /* check queue number */
+ if (tm_conf->nb_queue_node >= dev->data->nb_tx_queues) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message = "too many queues";
+ return -EINVAL;
+ }
+
+ ixgbe_queue_base_nb_get(dev, parent_node->no, &q_base, &q_nb);
+ if (parent_node->reference_count >= q_nb) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message = "too many queues than TC supported";
+ return -EINVAL;
+ }
+
+ /**
+ * check the node id.
+ * For queue, the node id means queue id.
+ */
+ if (node_id >= dev->data->nb_tx_queues) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message = "too large queue id";
+ return -EINVAL;
+ }
+ }
+
+ /* add the TC or queue node */
+ tm_node = rte_zmalloc("ixgbe_tm_node",
+ sizeof(struct ixgbe_tm_node),
+ 0);
+ if (!tm_node)
+ return -ENOMEM;
+ tm_node->id = node_id;
+ tm_node->priority = priority;
+ tm_node->weight = weight;
+ tm_node->reference_count = 0;
+ tm_node->parent = parent_node;
+ tm_node->shaper_profile = shaper_profile;
+ (void)rte_memcpy(&tm_node->params, params,
+ sizeof(struct rte_tm_node_params));
+ if (parent_node_type == IXGBE_TM_NODE_TYPE_PORT) {
+ tm_node->no = parent_node->reference_count;
+ TAILQ_INSERT_TAIL(&tm_conf->tc_list,
+ tm_node, node);
+ tm_conf->nb_tc_node++;
+ } else {
+ tm_node->no = q_base + parent_node->reference_count;
+ TAILQ_INSERT_TAIL(&tm_conf->queue_list,
+ tm_node, node);
+ tm_conf->nb_queue_node++;
+ }
+ tm_node->parent->reference_count++;
+
+ /* increase the reference counter of the shaper profile */
+ shaper_profile->reference_count++;
+
+ return 0;
+}
+
+static int
+ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ enum ixgbe_tm_node_type node_type = IXGBE_TM_NODE_TYPE_MAX;
+ struct ixgbe_tm_node *tm_node;
+
+ if (!error)
+ return -EINVAL;
+
+ /* if already committed */
+ if (tm_conf->committed) {
+ error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
+ error->message = "already committed";
+ 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 the 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;
+ }
+
+ /* the node should have no child */
+ if (tm_node->reference_count) {
+ error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+ error->message =
+ "cannot delete a node which has children";
+ return -EINVAL;
+ }
+
+ /* root node */
+ if (node_type == IXGBE_TM_NODE_TYPE_PORT) {
+ tm_node->shaper_profile->reference_count--;
+ rte_free(tm_node);
+ tm_conf->root = NULL;
+ return 0;
+ }
+
+ /* TC or queue node */
+ tm_node->shaper_profile->reference_count--;
+ tm_node->parent->reference_count--;
+ if (node_type == IXGBE_TM_NODE_TYPE_TC) {
+ TAILQ_REMOVE(&tm_conf->tc_list, tm_node, node);
+ tm_conf->nb_tc_node--;
+ } else {
+ TAILQ_REMOVE(&tm_conf->queue_list, tm_node, node);
+ tm_conf->nb_queue_node--;
+ }
+ rte_free(tm_node);
+
+ return 0;
+}
+
+static int
+ixgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+ int *is_leaf, struct rte_tm_error *error)
+{
+ enum ixgbe_tm_node_type node_type = IXGBE_TM_NODE_TYPE_MAX;
+ struct ixgbe_tm_node *tm_node;
+
+ if (!is_leaf || !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;
+ }
+
+ if (node_type == IXGBE_TM_NODE_TYPE_QUEUE)
+ *is_leaf = true;
+ else
+ *is_leaf = false;
+
+ return 0;
+}
+
+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)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (!cap || !error)
+ return -EINVAL;
+
+ if (level_id >= IXGBE_TM_NODE_TYPE_MAX) {
+ error->type = RTE_TM_ERROR_TYPE_LEVEL_ID;
+ error->message = "too deep level";
+ return -EINVAL;
+ }
+
+ /* root node */
+ if (level_id == IXGBE_TM_NODE_TYPE_PORT) {
+ cap->n_nodes_max = 1;
+ cap->n_nodes_nonleaf_max = 1;
+ cap->n_nodes_leaf_max = 0;
+ cap->non_leaf_nodes_identical = true;
+ cap->leaf_nodes_identical = true;
+ cap->nonleaf.shaper_private_supported = true;
+ cap->nonleaf.shaper_private_dual_rate_supported = false;
+ cap->nonleaf.shaper_private_rate_min = 0;
+ /* 10Gbps -> 1.25GBps */
+ cap->nonleaf.shaper_private_rate_max = 1250000000ull;
+ cap->nonleaf.shaper_shared_n_max = 0;
+ cap->nonleaf.sched_n_children_max = IXGBE_DCB_MAX_TRAFFIC_CLASS;
+ 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->nonleaf.stats_mask = 0;
+
+ return 0;
+ }
+
+ /* TC or queue node */
+ if (level_id == IXGBE_TM_NODE_TYPE_TC) {
+ /* TC */
+ cap->n_nodes_max = IXGBE_DCB_MAX_TRAFFIC_CLASS;
+ cap->n_nodes_nonleaf_max = IXGBE_DCB_MAX_TRAFFIC_CLASS;
+ cap->n_nodes_leaf_max = 0;
+ cap->non_leaf_nodes_identical = true;
+ } else {
+ /* queue */
+ cap->n_nodes_max = hw->mac.max_tx_queues;
+ cap->n_nodes_nonleaf_max = 0;
+ cap->n_nodes_leaf_max = hw->mac.max_tx_queues;
+ cap->non_leaf_nodes_identical = true;
+ }
+ cap->leaf_nodes_identical = true;
+ cap->leaf.shaper_private_supported = true;
+ cap->leaf.shaper_private_dual_rate_supported = false;
+ cap->leaf.shaper_private_rate_min = 0;
+ /* 10Gbps -> 1.25GBps */
+ cap->leaf.shaper_private_rate_max = 1250000000ull;
+ cap->leaf.shaper_shared_n_max = 0;
+ cap->leaf.cman_head_drop_supported = false;
+ cap->leaf.cman_wred_context_private_supported = true;
+ cap->leaf.cman_wred_context_shared_n_max = 0;
+ cap->leaf.stats_mask = 0;
+
+ 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;
+}
+
+static int
+ixgbe_hierarchy_commit(struct rte_eth_dev *dev,
+ int clear_on_fail,
+ struct rte_tm_error *error)
+{
+ struct ixgbe_tm_conf *tm_conf =
+ IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
+ struct ixgbe_tm_node *tm_node;
+ uint64_t bw;
+ int ret;
+
+ if (!error)
+ return -EINVAL;
+
+ /* check the setting */
+ if (!tm_conf->root)
+ goto done;
+
+ /* not support port max bandwidth yet */
+ if (tm_conf->root->shaper_profile->profile.peak.rate) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message = "no port max bandwidth";
+ goto fail_clear;
+ }
+
+ /* HW not support TC max bandwidth */
+ TAILQ_FOREACH(tm_node, &tm_conf->tc_list, node) {
+ if (tm_node->shaper_profile->profile.peak.rate) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message = "no TC max bandwidth";
+ goto fail_clear;
+ }
+ }
+
+ /* queue max bandwidth */
+ TAILQ_FOREACH(tm_node, &tm_conf->queue_list, node) {
+ bw = tm_node->shaper_profile->profile.peak.rate;
+ if (bw) {
+ /* interpret Bps to Mbps */
+ bw = bw * 8 / 1000 / 1000;
+ ret = ixgbe_set_queue_rate_limit(dev, tm_node->no, bw);
+ if (ret) {
+ error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+ error->message =
+ "failed to set queue max bandwidth";
+ goto fail_clear;
+ }
+ }
+ }
+
+done:
+ tm_conf->committed = true;
+ return 0;
+
+fail_clear:
+ /* clear all the traffic manager configuration */
+ if (clear_on_fail) {
+ ixgbe_tm_conf_uninit(dev);
+ ixgbe_tm_conf_init(dev);
+ }
+ return -EINVAL;
+}
Code Review / deb_dpdk.git / blobdiff