Function rte_flow_ops_get

dpdk/lib/ethdev/rte_flow.c:334–358

Get generic flow operations structure from a port. */

/* Get generic flow operations structure from a port. */
const struct rte_flow_ops *
rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error)
{
	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
	const struct rte_flow_ops *ops;
	int code;

	if (unlikely(!rte_eth_dev_is_valid_port(port_id)))
		code = ENODEV;
	else if (unlikely(dev->dev_ops->flow_ops_get == NULL))
		/* flow API not supported with this driver dev_ops */
		code = ENOSYS;
	else
		code = dev->dev_ops->flow_ops_get(dev, &ops);
	if (code == 0 && ops == NULL)
		/* flow API not supported with this device */
		code = ENOSYS;

	if (code != 0) {
		rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
				   NULL, rte_strerror(code));
		return NULL;
	}
	return ops;
}

/* Check whether a flow rule can be created on a given port. */
int