ethdev: remove useless null checks

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

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index f82b3a9..951fb1c 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -220,9 +220,6 @@ rte_eth_dev_create_unique_device_name(char *name, size_t size,
 {
        int ret;
 
-       if ((name == NULL) || (pci_dev == NULL))
-               return -EINVAL;
-
        ret = snprintf(name, size, "%d:%d.%d",
                        pci_dev->addr.bus, pci_dev->addr.devid,
                        pci_dev->addr.function);
@@ -505,9 +502,6 @@ rte_eth_dev_is_detachable(uint8_t port_id)
 static int
 rte_eth_dev_attach_pdev(struct rte_pci_addr *addr, uint8_t *port_id)
 {
-       if ((addr == NULL) || (port_id == NULL))
-               goto err;
-
        /* re-construct pci_device_list */
        if (rte_eal_pci_scan())
                goto err;
@@ -531,9 +525,6 @@ rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
        struct rte_pci_addr freed_addr;
        struct rte_pci_addr vp;
 
-       if (addr == NULL)
-               goto err;
-
        /* check whether the driver supports detach feature, or not */
        if (rte_eth_dev_is_detachable(port_id))
                goto err;
@@ -566,9 +557,6 @@ rte_eth_dev_attach_vdev(const char *vdevargs, uint8_t *port_id)
        char *name = NULL, *args = NULL;
        int ret = -1;
 
-       if ((vdevargs == NULL) || (port_id == NULL))
-               goto end;
-
        /* parse vdevargs, then retrieve device name and args */
        if (rte_eal_parse_devargs_str(vdevargs, &name, &args))
                goto end;
@@ -586,10 +574,8 @@ rte_eth_dev_attach_vdev(const char *vdevargs, uint8_t *port_id)
 
        ret = 0;
 end:
-       if (name)
-               free(name);
-       if (args)
-               free(args);
+       free(name);
+       free(args);
 
        if (ret < 0)
                RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n");
@@ -602,9 +588,6 @@ rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname)
 {
        char name[RTE_ETH_NAME_MAX_LEN];
 
-       if (vdevname == NULL)
-               goto err;
-
        /* check whether the driver supports detach feature, or not */
        if (rte_eth_dev_is_detachable(port_id))
                goto err;
@@ -1456,6 +1439,7 @@ rte_eth_stats_reset(uint8_t port_id)
 
        RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
        (*dev->dev_ops->stats_reset)(dev);
+       dev->data->rx_mbuf_alloc_failed = 0;
 }
 
 /* retrieve ethdev extended statistics */
@@ -2451,70 +2435,6 @@ rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
        return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
 }
 
-#ifdef RTE_LIBRTE_ETHDEV_DEBUG
-uint16_t
-rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
-                struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
-{
-       struct rte_eth_dev *dev;
-
-       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
-
-       dev = &rte_eth_devices[port_id];
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->rx_pkt_burst, 0);
-       if (queue_id >= dev->data->nb_rx_queues) {
-               RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
-               return 0;
-       }
-       return (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
-                                               rx_pkts, nb_pkts);
-}
-
-uint16_t
-rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
-                struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
-{
-       struct rte_eth_dev *dev;
-
-       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
-
-       dev = &rte_eth_devices[port_id];
-
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->tx_pkt_burst, 0);
-       if (queue_id >= dev->data->nb_tx_queues) {
-               RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
-               return 0;
-       }
-       return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id],
-                                               tx_pkts, nb_pkts);
-}
-
-uint32_t
-rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id)
-{
-       struct rte_eth_dev *dev;
-
-       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
-
-       dev = &rte_eth_devices[port_id];
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_count, 0);
-       return (*dev->dev_ops->rx_queue_count)(dev, queue_id);
-}
-
-int
-rte_eth_rx_descriptor_done(uint8_t port_id, uint16_t queue_id, uint16_t offset)
-{
-       struct rte_eth_dev *dev;
-
-       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
-
-       dev = &rte_eth_devices[port_id];
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_descriptor_done, -ENOTSUP);
-       return (*dev->dev_ops->rx_descriptor_done)(dev->data->rx_queues[queue_id],
-                                                  offset);
-}
-#endif
-
 int
 rte_eth_dev_callback_register(uint8_t port_id,
                        enum rte_eth_event_type event,
@@ -2669,7 +2589,7 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
        if (mz)
                return mz;
 
-       if (is_xen_dom0_supported())
+       if (rte_xen_dom0_supported())
                return rte_memzone_reserve_bounded(z_name, size, socket_id,
                                                   0, align, RTE_PGSIZE_2M);
        else