struct rte_event_dev_config config = {
.nb_event_queues = nb_queues,
.nb_event_ports = nb_ports,
+ .nb_single_link_event_port_queues = 0,
.nb_events_limit = 4096,
.nb_event_queue_flows = 1024,
.nb_event_port_dequeue_depth = 128,
return 0;
}
+/*
+ * Initializes a given port using global settings and with the RX buffers
+ * coming from the mbuf_pool passed as a parameter.
+ */
+static inline int
+port_init(uint8_t port, struct rte_mempool *mbuf_pool)
+{
+ struct rte_eth_rxconf rx_conf;
+ static const struct rte_eth_conf port_conf_default = {
+ .rxmode = {
+ .mq_mode = ETH_MQ_RX_RSS,
+ .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
+ },
+ .rx_adv_conf = {
+ .rss_conf = {
+ .rss_hf = ETH_RSS_IP |
+ ETH_RSS_TCP |
+ ETH_RSS_UDP,
+ }
+ }
+ };
+ const uint16_t rx_rings = 1, tx_rings = 1;
+ const uint16_t rx_ring_size = 512, tx_ring_size = 512;
+ struct rte_eth_conf port_conf = port_conf_default;
+ int retval;
+ uint16_t q;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_txconf txconf;
+
+ if (!rte_eth_dev_is_valid_port(port))
+ return -1;
+
+ retval = rte_eth_dev_info_get(port, &dev_info);
+ if (retval != 0) {
+ printf("Error during getting device (port %u) info: %s\n",
+ port, strerror(-retval));
+ return retval;
+ }
+
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ rx_conf = dev_info.default_rxconf;
+ rx_conf.offloads = port_conf.rxmode.offloads;
+
+ port_conf.rx_adv_conf.rss_conf.rss_hf &=
+ dev_info.flow_type_rss_offloads;
+ if (port_conf.rx_adv_conf.rss_conf.rss_hf !=
+ port_conf_default.rx_adv_conf.rss_conf.rss_hf) {
+ printf("Port %u modified RSS hash function based on hardware support,"
+ "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+ port,
+ port_conf_default.rx_adv_conf.rss_conf.rss_hf,
+ port_conf.rx_adv_conf.rss_conf.rss_hf);
+ }
+
+ /* Configure the Ethernet device. */
+ retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
+ if (retval != 0)
+ return retval;
+
+ /* Allocate and set up 1 RX queue per Ethernet port. */
+ for (q = 0; q < rx_rings; q++) {
+ retval = rte_eth_rx_queue_setup(port, q, rx_ring_size,
+ rte_eth_dev_socket_id(port), &rx_conf,
+ mbuf_pool);
+ if (retval < 0)
+ return retval;
+ }
+
+ txconf = dev_info.default_txconf;
+ txconf.offloads = port_conf_default.txmode.offloads;
+ /* Allocate and set up 1 TX queue per Ethernet port. */
+ for (q = 0; q < tx_rings; q++) {
+ retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
+ rte_eth_dev_socket_id(port), &txconf);
+ if (retval < 0)
+ return retval;
+ }
+
+ /* Display the port MAC address. */
+ struct rte_ether_addr addr;
+ retval = rte_eth_macaddr_get(port, &addr);
+ if (retval != 0) {
+ printf("Failed to get MAC address (port %u): %s\n",
+ port, rte_strerror(-retval));
+ return retval;
+ }
+
+ printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
+ " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
+ (unsigned int)port, RTE_ETHER_ADDR_BYTES(&addr));
+
+ /* Enable RX in promiscuous mode for the Ethernet device. */
+ retval = rte_eth_promiscuous_enable(port);
+ if (retval != 0)
+ return retval;
+
+ return 0;
+}
+
+static int
+init_ports(uint16_t num_ports)
+{
+ uint16_t portid;
+
+ if (!cdata.num_mbuf)
+ cdata.num_mbuf = 16384 * num_ports;
+
+ struct rte_mempool *mp = rte_pktmbuf_pool_create("packet_pool",
+ /* mbufs */ cdata.num_mbuf,
+ /* cache_size */ 512,
+ /* priv_size*/ 0,
+ /* data_room_size */ RTE_MBUF_DEFAULT_BUF_SIZE,
+ rte_socket_id());
+
+ RTE_ETH_FOREACH_DEV(portid)
+ if (port_init(portid, mp) != 0)
+ rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu16 "\n",
+ portid);
+
+ return 0;
+}
+
static void
init_adapters(uint16_t nb_ports)
{
.new_event_threshold = 4096,
};
+ init_ports(nb_ports);
if (adptr_p_conf.new_event_threshold > dev_info.max_num_events)
adptr_p_conf.new_event_threshold = dev_info.max_num_events;
if (adptr_p_conf.dequeue_depth > dev_info.max_event_port_dequeue_depth)