ipc: end multiprocess thread during cleanup
[dpdk.git] / lib / ethdev / rte_ethdev.c
index 29e21ad..90e153c 100644 (file)
@@ -894,6 +894,17 @@ rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
        return -ENODEV;
 }
 
+struct rte_eth_dev *
+rte_eth_dev_get_by_name(const char *name)
+{
+       uint16_t pid;
+
+       if (rte_eth_dev_get_port_by_name(name, &pid))
+               return NULL;
+
+       return &rte_eth_devices[pid];
+}
+
 static int
 eth_err(uint16_t port_id, int ret)
 {
@@ -4022,6 +4033,149 @@ rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
        return -ENOTSUP;
 }
 
+static int
+validate_rx_pause_config(struct rte_eth_dev_info *dev_info, uint8_t tc_max,
+               struct rte_eth_pfc_queue_conf *pfc_queue_conf)
+{
+       if ((pfc_queue_conf->mode == RTE_ETH_FC_RX_PAUSE) ||
+                       (pfc_queue_conf->mode == RTE_ETH_FC_FULL)) {
+               if (pfc_queue_conf->rx_pause.tx_qid >= dev_info->nb_tx_queues) {
+                       RTE_ETHDEV_LOG(ERR,
+                               "PFC Tx queue not in range for Rx pause requested:%d configured:%d\n",
+                               pfc_queue_conf->rx_pause.tx_qid,
+                               dev_info->nb_tx_queues);
+                       return -EINVAL;
+               }
+
+               if (pfc_queue_conf->rx_pause.tc >= tc_max) {
+                       RTE_ETHDEV_LOG(ERR,
+                               "PFC TC not in range for Rx pause requested:%d max:%d\n",
+                               pfc_queue_conf->rx_pause.tc, tc_max);
+                       return -EINVAL;
+               }
+       }
+
+       return 0;
+}
+
+static int
+validate_tx_pause_config(struct rte_eth_dev_info *dev_info, uint8_t tc_max,
+               struct rte_eth_pfc_queue_conf *pfc_queue_conf)
+{
+       if ((pfc_queue_conf->mode == RTE_ETH_FC_TX_PAUSE) ||
+                       (pfc_queue_conf->mode == RTE_ETH_FC_FULL)) {
+               if (pfc_queue_conf->tx_pause.rx_qid >= dev_info->nb_rx_queues) {
+                       RTE_ETHDEV_LOG(ERR,
+                               "PFC Rx queue not in range for Tx pause requested:%d configured:%d\n",
+                               pfc_queue_conf->tx_pause.rx_qid,
+                               dev_info->nb_rx_queues);
+                       return -EINVAL;
+               }
+
+               if (pfc_queue_conf->tx_pause.tc >= tc_max) {
+                       RTE_ETHDEV_LOG(ERR,
+                               "PFC TC not in range for Tx pause requested:%d max:%d\n",
+                               pfc_queue_conf->tx_pause.tc, tc_max);
+                       return -EINVAL;
+               }
+       }
+
+       return 0;
+}
+
+int
+rte_eth_dev_priority_flow_ctrl_queue_info_get(uint16_t port_id,
+               struct rte_eth_pfc_queue_info *pfc_queue_info)
+{
+       struct rte_eth_dev *dev;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+
+       if (pfc_queue_info == NULL) {
+               RTE_ETHDEV_LOG(ERR, "PFC info param is NULL for port (%u)\n",
+                       port_id);
+               return -EINVAL;
+       }
+
+       if (*dev->dev_ops->priority_flow_ctrl_queue_info_get)
+               return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_queue_info_get)
+                       (dev, pfc_queue_info));
+       return -ENOTSUP;
+}
+
+int
+rte_eth_dev_priority_flow_ctrl_queue_configure(uint16_t port_id,
+               struct rte_eth_pfc_queue_conf *pfc_queue_conf)
+{
+       struct rte_eth_pfc_queue_info pfc_info;
+       struct rte_eth_dev_info dev_info;
+       struct rte_eth_dev *dev;
+       int ret;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+
+       if (pfc_queue_conf == NULL) {
+               RTE_ETHDEV_LOG(ERR, "PFC parameters are NULL for port (%u)\n",
+                       port_id);
+               return -EINVAL;
+       }
+
+       ret = rte_eth_dev_info_get(port_id, &dev_info);
+       if (ret != 0)
+               return ret;
+
+       ret = rte_eth_dev_priority_flow_ctrl_queue_info_get(port_id, &pfc_info);
+       if (ret != 0)
+               return ret;
+
+       if (pfc_info.tc_max == 0) {
+               RTE_ETHDEV_LOG(ERR, "Ethdev port %u does not support PFC TC values\n",
+                       port_id);
+               return -ENOTSUP;
+       }
+
+       /* Check requested mode supported or not */
+       if (pfc_info.mode_capa == RTE_ETH_FC_RX_PAUSE &&
+                       pfc_queue_conf->mode == RTE_ETH_FC_TX_PAUSE) {
+               RTE_ETHDEV_LOG(ERR, "PFC Tx pause unsupported for port (%d)\n",
+                       port_id);
+               return -EINVAL;
+       }
+
+       if (pfc_info.mode_capa == RTE_ETH_FC_TX_PAUSE &&
+                       pfc_queue_conf->mode == RTE_ETH_FC_RX_PAUSE) {
+               RTE_ETHDEV_LOG(ERR, "PFC Rx pause unsupported for port (%d)\n",
+                       port_id);
+               return -EINVAL;
+       }
+
+       /* Validate Rx pause parameters */
+       if (pfc_info.mode_capa == RTE_ETH_FC_FULL ||
+                       pfc_info.mode_capa == RTE_ETH_FC_RX_PAUSE) {
+               ret = validate_rx_pause_config(&dev_info, pfc_info.tc_max,
+                               pfc_queue_conf);
+               if (ret != 0)
+                       return ret;
+       }
+
+       /* Validate Tx pause parameters */
+       if (pfc_info.mode_capa == RTE_ETH_FC_FULL ||
+                       pfc_info.mode_capa == RTE_ETH_FC_TX_PAUSE) {
+               ret = validate_tx_pause_config(&dev_info, pfc_info.tc_max,
+                               pfc_queue_conf);
+               if (ret != 0)
+                       return ret;
+       }
+
+       if (*dev->dev_ops->priority_flow_ctrl_queue_config)
+               return eth_err(port_id,
+                              (*dev->dev_ops->priority_flow_ctrl_queue_config)(
+                               dev, pfc_queue_conf));
+       return -ENOTSUP;
+}
+
 static int
 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
                        uint16_t reta_size)