X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fi40e%2Fi40e_tm.c;h=c76760c97d4d95f155123968759d3548d539e494;hb=f4c8ad4f97e24af7f6200723ca8d93702f15b1e6;hp=9fc2f453e8c75eaec62efab12b6bb4b3b6dd09eb;hpb=2b546d23b86a00c4bdfefc145913c2e44834aa56;p=dpdk.git diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c index 9fc2f453e8..c76760c97d 100644 --- a/drivers/net/i40e/i40e_tm.c +++ b/drivers/net/i40e/i40e_tm.c @@ -1,45 +1,53 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2017 Intel Corporation */ +#include + #include "base/i40e_prototype.h" #include "i40e_ethdev.h" static int i40e_tm_capabilities_get(struct rte_eth_dev *dev, struct rte_tm_capabilities *cap, struct rte_tm_error *error); +static int i40e_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 i40e_shaper_profile_del(struct rte_eth_dev *dev, + uint32_t shaper_profile_id, + struct rte_tm_error *error); +static int i40e_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 i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id, + struct rte_tm_error *error); +static int i40e_node_type_get(struct rte_eth_dev *dev, uint32_t node_id, + int *is_leaf, struct rte_tm_error *error); +static int i40e_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 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, + .shaper_profile_add = i40e_shaper_profile_add, + .shaper_profile_delete = i40e_shaper_profile_del, + .node_add = i40e_node_add, + .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 @@ -54,6 +62,55 @@ i40e_tm_ops_get(struct rte_eth_dev *dev __rte_unused, return 0; } +void +i40e_tm_conf_init(struct rte_eth_dev *dev) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + + /* initialize shaper profile list */ + TAILQ_INIT(&pf->tm_conf.shaper_profile_list); + + /* initialize node configuration */ + pf->tm_conf.root = NULL; + TAILQ_INIT(&pf->tm_conf.tc_list); + TAILQ_INIT(&pf->tm_conf.queue_list); + pf->tm_conf.nb_tc_node = 0; + pf->tm_conf.nb_queue_node = 0; + pf->tm_conf.committed = false; +} + +void +i40e_tm_conf_uninit(struct rte_eth_dev *dev) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + struct i40e_tm_shaper_profile *shaper_profile; + struct i40e_tm_node *tm_node; + + /* clear node configuration */ + while ((tm_node = TAILQ_FIRST(&pf->tm_conf.queue_list))) { + TAILQ_REMOVE(&pf->tm_conf.queue_list, tm_node, node); + rte_free(tm_node); + } + pf->tm_conf.nb_queue_node = 0; + while ((tm_node = TAILQ_FIRST(&pf->tm_conf.tc_list))) { + TAILQ_REMOVE(&pf->tm_conf.tc_list, tm_node, node); + rte_free(tm_node); + } + pf->tm_conf.nb_tc_node = 0; + if (pf->tm_conf.root) { + rte_free(pf->tm_conf.root); + pf->tm_conf.root = NULL; + } + + /* Remove all shaper profiles */ + while ((shaper_profile = + TAILQ_FIRST(&pf->tm_conf.shaper_profile_list))) { + TAILQ_REMOVE(&pf->tm_conf.shaper_profile_list, + shaper_profile, node); + rte_free(shaper_profile); + } +} + static inline uint16_t i40e_tc_nb_get(struct rte_eth_dev *dev) { @@ -135,3 +192,780 @@ i40e_tm_capabilities_get(struct rte_eth_dev *dev, return 0; } + +static inline struct i40e_tm_shaper_profile * +i40e_shaper_profile_search(struct rte_eth_dev *dev, + uint32_t shaper_profile_id) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + struct i40e_shaper_profile_list *shaper_profile_list = + &pf->tm_conf.shaper_profile_list; + struct i40e_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 +i40e_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 +i40e_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 i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + struct i40e_tm_shaper_profile *shaper_profile; + int ret; + + if (!profile || !error) + return -EINVAL; + + ret = i40e_shaper_profile_param_check(profile, error); + if (ret) + return ret; + + shaper_profile = i40e_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("i40e_tm_shaper_profile", + sizeof(struct i40e_tm_shaper_profile), + 0); + if (!shaper_profile) + return -ENOMEM; + shaper_profile->shaper_profile_id = shaper_profile_id; + rte_memcpy(&shaper_profile->profile, profile, + sizeof(struct rte_tm_shaper_params)); + TAILQ_INSERT_TAIL(&pf->tm_conf.shaper_profile_list, + shaper_profile, node); + + return 0; +} + +static int +i40e_shaper_profile_del(struct rte_eth_dev *dev, + uint32_t shaper_profile_id, + struct rte_tm_error *error) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + struct i40e_tm_shaper_profile *shaper_profile; + + if (!error) + return -EINVAL; + + shaper_profile = i40e_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(&pf->tm_conf.shaper_profile_list, shaper_profile, node); + rte_free(shaper_profile); + + return 0; +} + +static inline struct i40e_tm_node * +i40e_tm_node_search(struct rte_eth_dev *dev, + uint32_t node_id, enum i40e_tm_node_type *node_type) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + struct i40e_tm_node_list *queue_list = &pf->tm_conf.queue_list; + struct i40e_tm_node_list *tc_list = &pf->tm_conf.tc_list; + struct i40e_tm_node *tm_node; + + if (pf->tm_conf.root && pf->tm_conf.root->id == node_id) { + *node_type = I40E_TM_NODE_TYPE_PORT; + return pf->tm_conf.root; + } + + TAILQ_FOREACH(tm_node, tc_list, node) { + if (tm_node->id == node_id) { + *node_type = I40E_TM_NODE_TYPE_TC; + return tm_node; + } + } + + TAILQ_FOREACH(tm_node, queue_list, node) { + if (tm_node->id == node_id) { + *node_type = I40E_TM_NODE_TYPE_QUEUE; + return tm_node; + } + } + + return NULL; +} + +static int +i40e_node_param_check(struct rte_eth_dev *dev, uint32_t node_id, + uint32_t priority, uint32_t weight, + struct rte_tm_node_params *params, + struct rte_tm_error *error) +{ + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + 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 non-leaf node */ + if (node_id >= hw->func_caps.num_tx_qp) { + 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 leaf node */ + 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 +i40e_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 i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + enum i40e_tm_node_type node_type = I40E_TM_NODE_TYPE_MAX; + enum i40e_tm_node_type parent_node_type = I40E_TM_NODE_TYPE_MAX; + struct i40e_tm_shaper_profile *shaper_profile = NULL; + struct i40e_tm_node *tm_node; + struct i40e_tm_node *parent_node; + uint16_t tc_nb = 0; + int ret; + + if (!params || !error) + return -EINVAL; + + /* if already committed */ + if (pf->tm_conf.committed) { + error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED; + error->message = "already committed"; + return -EINVAL; + } + + ret = i40e_node_param_check(dev, node_id, priority, weight, + params, error); + if (ret) + return ret; + + /* check if the node ID is already used */ + if (i40e_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 */ + if (params->shaper_profile_id != RTE_TM_SHAPER_PROFILE_ID_NONE) { + shaper_profile = i40e_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 > I40E_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 (pf->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("i40e_tm_node", + sizeof(struct i40e_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 = NULL; + tm_node->shaper_profile = shaper_profile; + rte_memcpy(&tm_node->params, params, + sizeof(struct rte_tm_node_params)); + pf->tm_conf.root = tm_node; + + /* increase the reference counter of the shaper profile */ + if (shaper_profile) + shaper_profile->reference_count++; + + return 0; + } + + /* TC or queue node */ + /* check the parent node */ + parent_node = i40e_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 != I40E_TM_NODE_TYPE_PORT && + parent_node_type != I40E_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 == I40E_TM_NODE_TYPE_PORT) { + /* check the TC number */ + tc_nb = i40e_tc_nb_get(dev); + if (pf->tm_conf.nb_tc_node >= tc_nb) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = "too many TCs"; + return -EINVAL; + } + } else { + /* check the queue number */ + if (pf->tm_conf.nb_queue_node >= hw->func_caps.num_tx_qp) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = "too many queues"; + return -EINVAL; + } + + /** + * check the node id. + * For queue, the node id means queue id. + */ + if (node_id >= hw->func_caps.num_tx_qp) { + 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("i40e_tm_node", + sizeof(struct i40e_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; + rte_memcpy(&tm_node->params, params, + sizeof(struct rte_tm_node_params)); + if (parent_node_type == I40E_TM_NODE_TYPE_PORT) { + TAILQ_INSERT_TAIL(&pf->tm_conf.tc_list, + tm_node, node); + pf->tm_conf.nb_tc_node++; + } else { + TAILQ_INSERT_TAIL(&pf->tm_conf.queue_list, + tm_node, node); + pf->tm_conf.nb_queue_node++; + } + tm_node->parent->reference_count++; + + /* increase the reference counter of the shaper profile */ + if (shaper_profile) + shaper_profile->reference_count++; + + return 0; +} + +static int +i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id, + struct rte_tm_error *error) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + enum i40e_tm_node_type node_type = I40E_TM_NODE_TYPE_MAX; + struct i40e_tm_node *tm_node; + + if (!error) + return -EINVAL; + + /* if already committed */ + if (pf->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 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; + } + + /* 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 == I40E_TM_NODE_TYPE_PORT) { + if (tm_node->shaper_profile) + tm_node->shaper_profile->reference_count--; + rte_free(tm_node); + pf->tm_conf.root = NULL; + return 0; + } + + /* TC or queue node */ + if (tm_node->shaper_profile) + tm_node->shaper_profile->reference_count--; + tm_node->parent->reference_count--; + if (node_type == I40E_TM_NODE_TYPE_TC) { + TAILQ_REMOVE(&pf->tm_conf.tc_list, tm_node, node); + pf->tm_conf.nb_tc_node--; + } else { + TAILQ_REMOVE(&pf->tm_conf.queue_list, tm_node, node); + pf->tm_conf.nb_queue_node--; + } + rte_free(tm_node); + + return 0; +} + +static int +i40e_node_type_get(struct rte_eth_dev *dev, uint32_t node_id, + int *is_leaf, struct rte_tm_error *error) +{ + enum i40e_tm_node_type node_type = I40E_TM_NODE_TYPE_MAX; + struct i40e_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 = 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; + } + + if (node_type == I40E_TM_NODE_TYPE_QUEUE) + *is_leaf = true; + else + *is_leaf = false; + + return 0; +} + +static int +i40e_level_capabilities_get(struct rte_eth_dev *dev, + uint32_t level_id, + struct rte_tm_level_capabilities *cap, + struct rte_tm_error *error) +{ + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + if (!cap || !error) + return -EINVAL; + + if (level_id >= I40E_TM_NODE_TYPE_MAX) { + error->type = RTE_TM_ERROR_TYPE_LEVEL_ID; + error->message = "too deep level"; + return -EINVAL; + } + + /* root node */ + if (level_id == I40E_TM_NODE_TYPE_PORT) { + cap->n_nodes_max = 1; + cap->n_nodes_nonleaf_max = 1; + cap->n_nodes_leaf_max = 0; + } else if (level_id == I40E_TM_NODE_TYPE_TC) { + /* TC */ + cap->n_nodes_max = I40E_MAX_TRAFFIC_CLASS; + cap->n_nodes_nonleaf_max = I40E_MAX_TRAFFIC_CLASS; + cap->n_nodes_leaf_max = 0; + } else { + /* queue */ + cap->n_nodes_max = hw->func_caps.num_tx_qp; + cap->n_nodes_nonleaf_max = 0; + cap->n_nodes_leaf_max = hw->func_caps.num_tx_qp; + } + + cap->non_leaf_nodes_identical = true; + cap->leaf_nodes_identical = true; + + if (level_id != I40E_TM_NODE_TYPE_QUEUE) { + cap->nonleaf.shaper_private_supported = true; + cap->nonleaf.shaper_private_dual_rate_supported = false; + cap->nonleaf.shaper_private_rate_min = 0; + /* 40Gbps -> 5GBps */ + cap->nonleaf.shaper_private_rate_max = 5000000000ull; + cap->nonleaf.shaper_shared_n_max = 0; + if (level_id == 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->nonleaf.stats_mask = 0; + + return 0; + } + + /* queue node */ + cap->leaf.shaper_private_supported = true; + cap->leaf.shaper_private_dual_rate_supported = false; + cap->leaf.shaper_private_rate_min = 0; + /* 40Gbps -> 5GBps */ + cap->leaf.shaper_private_rate_max = 5000000000ull; + 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 +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 */ + if (pf->tm_conf.root->shaper_profile) + bw = pf->tm_conf.root->shaper_profile->profile.peak.rate; + else + bw = 0; + if (bw) { + /* check if any TC has a max bandwidth */ + TAILQ_FOREACH(tm_node, tc_list, node) { + if (tm_node->shaper_profile && + 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); + + if (tm_node->shaper_profile) + bw = tm_node->shaper_profile->profile.peak.rate; + else + bw = 0; + 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) { + if (tm_node->shaper_profile) + bw = tm_node->shaper_profile->profile.peak.rate; + else + bw = 0; + 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; + } + +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; +}