Function init_port

dpdk/app/test-flow-perf/main.c:1940–2105

}

static void
init_port(void)
{
	int ret;
	uint16_t std_queue;
	uint16_t hairpin_queue;
	uint16_t port_id;
	uint16_t nr_ports;
	uint16_t nr_queues;
	struct rte_eth_hairpin_conf hairpin_conf = {
		.peer_count = 1,
	};
	struct rte_eth_conf port_conf = {
		.rx_adv_conf = {
			.rss_conf.rss_hf =
				GET_RSS_HF(),
		}
	};
	struct rte_eth_txconf txq_conf;
	struct rte_eth_rxconf rxq_conf;
	struct rte_eth_dev_info dev_info;

	nr_queues = rx_queues_count;
	if (hairpin_queues_num != 0)
		nr_queues = rx_queues_count + hairpin_queues_num;

	nr_ports = rte_eth_dev_count_avail();
	if (nr_ports == 0)
		rte_exit(EXIT_FAILURE, "Error: no port detected\n");

	mbuf_mp = rte_pktmbuf_pool_create("mbuf_pool",
					total_mbuf_num, mbuf_cache_size,
					0, mbuf_size,
					rte_socket_id());
	if (mbuf_mp == NULL)
		rte_exit(EXIT_FAILURE, "Error: can't init mbuf pool\n");

	for (port_id = 0; port_id < nr_ports; port_id++) {
		uint64_t rx_metadata = 0;

		rx_metadata |= RTE_ETH_RX_METADATA_USER_FLAG;
		rx_metadata |= RTE_ETH_RX_METADATA_USER_MARK;

		ret = rte_eth_rx_metadata_negotiate(port_id, &rx_metadata);
		if (ret == 0) {
			if (!(rx_metadata & RTE_ETH_RX_METADATA_USER_FLAG)) {
				printf(":: flow action FLAG will not affect Rx mbufs on port=%u\n",
				       port_id);
			}

			if (!(rx_metadata & RTE_ETH_RX_METADATA_USER_MARK)) {
				printf(":: flow action MARK will not affect Rx mbufs on port=%u\n",
				       port_id);
			}
		} else if (ret != -ENOTSUP) {
			rte_exit(EXIT_FAILURE, "Error when negotiating Rx meta features on port=%u: %s\n",
				 port_id, rte_strerror(-ret));
		}