static int txgbe_shaper_profile_del(struct rte_eth_dev *dev,
uint32_t shaper_profile_id,
struct rte_tm_error *error);
+static int txgbe_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 txgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error);
+static int txgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+ int *is_leaf, struct rte_tm_error *error);
static int txgbe_level_capabilities_get(struct rte_eth_dev *dev,
uint32_t level_id,
struct rte_tm_level_capabilities *cap,
.capabilities_get = txgbe_tm_capabilities_get,
.shaper_profile_add = txgbe_shaper_profile_add,
.shaper_profile_delete = txgbe_shaper_profile_del,
+ .node_add = txgbe_node_add,
+ .node_delete = txgbe_node_delete,
+ .node_type_get = txgbe_node_type_get,
.level_capabilities_get = txgbe_level_capabilities_get,
.node_capabilities_get = txgbe_node_capabilities_get,
};
return NULL;
}
+static void
+txgbe_queue_base_nb_get(struct rte_eth_dev *dev, uint16_t tc_node_no,
+ uint16_t *base, uint16_t *nb)
+{
+ uint8_t nb_tcs = txgbe_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
+txgbe_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)
+{
+ 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 >= dev->data->nb_tx_queues) {
+ /* 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 leaf 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
+txgbe_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 txgbe_tm_conf *tm_conf = TXGBE_DEV_TM_CONF(dev);
+ enum txgbe_tm_node_type node_type = TXGBE_TM_NODE_TYPE_MAX;
+ enum txgbe_tm_node_type parent_node_type = TXGBE_TM_NODE_TYPE_MAX;
+ struct txgbe_tm_shaper_profile *shaper_profile = NULL;
+ struct txgbe_tm_node *tm_node;
+ struct txgbe_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 = txgbe_node_param_check(dev, node_id, priority, weight,
+ params, error);
+ if (ret)
+ return ret;
+
+ /* check if the node ID is already used */
+ if (txgbe_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 = txgbe_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 > TXGBE_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("txgbe_tm_node",
+ sizeof(struct txgbe_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;
+ 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 */
+ if (shaper_profile)
+ shaper_profile->reference_count++;
+
+ return 0;
+ }
+
+ /* TC or queue node */
+ /* check the parent node */
+ parent_node = txgbe_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 != TXGBE_TM_NODE_TYPE_PORT &&
+ parent_node_type != TXGBE_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 == TXGBE_TM_NODE_TYPE_PORT) {
+ /* check TC number */
+ nb_tcs = txgbe_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;
+ }
+
+ txgbe_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("txgbe_tm_node",
+ sizeof(struct txgbe_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 == TXGBE_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 */
+ if (shaper_profile)
+ shaper_profile->reference_count++;
+
+ return 0;
+}
+
+static int
+txgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
+ struct rte_tm_error *error)
+{
+ struct txgbe_tm_conf *tm_conf = TXGBE_DEV_TM_CONF(dev);
+ enum txgbe_tm_node_type node_type = TXGBE_TM_NODE_TYPE_MAX;
+ struct txgbe_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 = txgbe_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 == TXGBE_TM_NODE_TYPE_PORT) {
+ if (tm_node->shaper_profile)
+ tm_node->shaper_profile->reference_count--;
+ rte_free(tm_node);
+ 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 == TXGBE_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
+txgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+ int *is_leaf, struct rte_tm_error *error)
+{
+ enum txgbe_tm_node_type node_type = TXGBE_TM_NODE_TYPE_MAX;
+ struct txgbe_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 = txgbe_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 == TXGBE_TM_NODE_TYPE_QUEUE)
+ *is_leaf = true;
+ else
+ *is_leaf = false;
+
+ return 0;
+}
+
static int
txgbe_level_capabilities_get(struct rte_eth_dev *dev,
uint32_t level_id,
git.droids-corp.org / dpdk.git / commitdiff