Function rte_flow_query

dpdk/lib/ethdev/rte_flow.c:506–532

Query an existing flow rule. */

/* Query an existing flow rule. */
int
rte_flow_query(uint16_t port_id,
	       struct rte_flow *flow,
	       const struct rte_flow_action *action,
	       void *data,
	       struct rte_flow_error *error)
{
	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
	const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
	int ret;

	if (!ops)
		return -rte_errno;
	if (likely(!!ops->query)) {
		fts_enter(dev);
		ret = ops->query(dev, flow, action, data, error);
		fts_exit(dev);
		ret = flow_err(port_id, ret, error);

		rte_flow_trace_query(port_id, flow, action, data, ret);

		return ret;
	}
	return rte_flow_error_set(error, ENOSYS,
				  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
				  NULL, rte_strerror(ENOSYS));
}

/* Restrict ingress traffic to the defined flow rules. */
int