ethdev: add API for getting burst mode information

[dpdk.git] / lib / librte_ethdev / rte_ethdev.c

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 7caaa0b..750bc9d 100644 (file)
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -166,6 +166,25 @@ static const struct {
 
 #undef RTE_TX_OFFLOAD_BIT2STR
 
+static const struct {
+       uint64_t option;
+       const char *name;
+} rte_burst_option_names[] = {
+       { RTE_ETH_BURST_SCALAR, "Scalar" },
+       { RTE_ETH_BURST_VECTOR, "Vector" },
+
+       { RTE_ETH_BURST_ALTIVEC, "AltiVec" },
+       { RTE_ETH_BURST_NEON, "Neon" },
+       { RTE_ETH_BURST_SSE, "SSE" },
+       { RTE_ETH_BURST_AVX2, "AVX2" },
+       { RTE_ETH_BURST_AVX512, "AVX512" },
+
+       { RTE_ETH_BURST_SCATTERED, "Scattered" },
+       { RTE_ETH_BURST_BULK_ALLOC, "Bulk Alloc" },
+       { RTE_ETH_BURST_SIMPLE, "Simple" },
+       { RTE_ETH_BURST_PER_QUEUE, "Per Queue" },
+};
+
 /**
  * The user application callback description.
  *
@@ -4210,6 +4229,70 @@ rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
        return 0;
 }
 
+int
+rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
+                         struct rte_eth_burst_mode *mode)
+{
+       struct rte_eth_dev *dev;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+
+       if (mode == NULL)
+               return -EINVAL;
+
+       dev = &rte_eth_devices[port_id];
+
+       if (queue_id >= dev->data->nb_rx_queues) {
+               RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
+               return -EINVAL;
+       }
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
+       memset(mode, 0, sizeof(*mode));
+       return eth_err(port_id,
+                      dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
+}
+
+int
+rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
+                         struct rte_eth_burst_mode *mode)
+{
+       struct rte_eth_dev *dev;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+
+       if (mode == NULL)
+               return -EINVAL;
+
+       dev = &rte_eth_devices[port_id];
+
+       if (queue_id >= dev->data->nb_tx_queues) {
+               RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
+               return -EINVAL;
+       }
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
+       memset(mode, 0, sizeof(*mode));
+       return eth_err(port_id,
+                      dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
+}
+
+const char *
+rte_eth_burst_mode_option_name(uint64_t option)
+{
+       const char *name = "";
+       unsigned int i;
+
+       for (i = 0; i < RTE_DIM(rte_burst_option_names); ++i) {
+               if (option == rte_burst_option_names[i].option) {
+                       name = rte_burst_option_names[i].name;
+                       break;
+               }
+       }
+
+       return name;
+}
+
 int
 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
                             struct rte_ether_addr *mc_addr_set,