Function initialize_ports

dpdk/examples/l2fwd-crypto/main.c:2562–2697

}

static int
initialize_ports(struct l2fwd_crypto_options *options)
{
	uint16_t last_portid = 0, portid;
	unsigned enabled_portcount = 0;
	unsigned nb_ports = rte_eth_dev_count_avail();

	if (nb_ports == 0) {
		printf("No Ethernet ports - bye\n");
		return -1;
	}

	/* Reset l2fwd_dst_ports */
	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
		l2fwd_dst_ports[portid] = 0;

	RTE_ETH_FOREACH_DEV(portid) {
		int retval;
		struct rte_eth_dev_info dev_info;
		struct rte_eth_rxconf rxq_conf;
		struct rte_eth_txconf txq_conf;
		struct rte_eth_conf local_port_conf = port_conf;

		/* Skip ports that are not enabled */
		if ((options->portmask & (1 << portid)) == 0)
			continue;

		/* init port */
		printf("Initializing port %u... ", portid);
		fflush(stdout);

		retval = rte_eth_dev_info_get(portid, &dev_info);
		if (retval != 0) {
			printf("Error during getting device (port %u) info: %s\n",
					portid, strerror(-retval));
			return retval;
		}

		if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
			local_port_conf.txmode.offloads |=
				RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
		retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
		if (retval < 0) {
			printf("Cannot configure device: err=%d, port=%u\n",
				  retval, portid);
			return -1;
		}

		retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
							  &nb_txd);
		if (retval < 0) {
			printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
				retval, portid);
			return -1;
		}

		/* init one RX queue */
		fflush(stdout);