return fd;
}
+static inline int
+eth_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
+ const char *ring_name)
+{
+ return snprintf(name, len, "eth_p%d_q%d_%s",
+ port_id, queue_id, ring_name);
+}
+
const struct rte_memzone *
rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
uint16_t queue_id, size_t size, unsigned align,
const struct rte_memzone *mz;
int rc;
- rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
- dev->data->port_id, queue_id, ring_name);
+ rc = eth_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
+ queue_id, ring_name);
if (rc >= RTE_MEMZONE_NAMESIZE) {
RTE_ETHDEV_LOG(ERR, "ring name too long\n");
rte_errno = ENAMETOOLONG;
RTE_MEMZONE_IOVA_CONTIG, align);
}
+int
+rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
+ uint16_t queue_id)
+{
+ char z_name[RTE_MEMZONE_NAMESIZE];
+ const struct rte_memzone *mz;
+ int rc = 0;
+
+ rc = eth_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
+ queue_id, ring_name);
+ if (rc >= RTE_MEMZONE_NAMESIZE) {
+ RTE_ETHDEV_LOG(ERR, "ring name too long\n");
+ return -ENAMETOOLONG;
+ }
+
+ mz = rte_memzone_lookup(z_name);
+ if (mz)
+ rc = rte_memzone_free(mz);
+ else
+ rc = -ENOENT;
+
+ return rc;
+}
+
int
rte_eth_dev_create(struct rte_device *device, const char *name,
size_t priv_data_size,
return -EINVAL;
}
+ if (dev->data->rx_queues[queue_id] == NULL) {
+ RTE_ETHDEV_LOG(ERR,
+ "Rx queue %"PRIu16" of device with port_id=%"
+ PRIu16" has not been setup\n",
+ queue_id, port_id);
+ return -EINVAL;
+ }
+
if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
RTE_ETHDEV_LOG(INFO,
"Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
return -EINVAL;
}
+ if (dev->data->tx_queues[queue_id] == NULL) {
+ RTE_ETHDEV_LOG(ERR,
+ "Tx queue %"PRIu16" of device with port_id=%"
+ PRIu16" has not been setup\n",
+ queue_id, port_id);
+ return -EINVAL;
+ }
+
if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
RTE_ETHDEV_LOG(INFO,
"Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",