test mbuf attach
[dpdk.git] / examples / l3fwd / l3fwd_event.c
index 62218f3..4d31593 100644 (file)
 #include "l3fwd.h"
 #include "l3fwd_event.h"
 
+static void
+print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
+{
+       char buf[RTE_ETHER_ADDR_FMT_SIZE];
+       rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
+       printf("%s%s", name, buf);
+}
+
 struct l3fwd_event_resources *
 l3fwd_get_eventdev_rsrc(void)
 {
@@ -30,6 +38,135 @@ l3fwd_get_eventdev_rsrc(void)
        return NULL;
 }
 
+static void
+l3fwd_eth_dev_port_setup(struct rte_eth_conf *port_conf)
+{
+       struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
+       uint16_t nb_ports = rte_eth_dev_count_avail();
+       uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
+       uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
+       unsigned int nb_lcores = rte_lcore_count();
+       struct rte_eth_conf local_port_conf;
+       struct rte_eth_dev_info dev_info;
+       struct rte_eth_txconf txconf;
+       struct rte_eth_rxconf rxconf;
+       unsigned int nb_mbuf;
+       uint16_t port_id;
+       uint8_t eth_qid;
+       int32_t ret;
+
+       /* initialize all ports */
+       RTE_ETH_FOREACH_DEV(port_id) {
+               local_port_conf = *port_conf;
+               /* skip ports that are not enabled */
+               if ((evt_rsrc->port_mask & (1 << port_id)) == 0) {
+                       printf("\nSkipping disabled port %d\n", port_id);
+                       continue;
+               }
+
+               /* init port */
+               printf("Initializing port %d ... ", port_id);
+               fflush(stdout);
+               printf("Creating queues: nb_rxq=%d nb_txq=1...\n",
+                      evt_rsrc->eth_rx_queues);
+
+               ret = rte_eth_dev_info_get(port_id, &dev_info);
+               if (ret != 0)
+                       rte_panic("Error during getting device (port %u) info:"
+                                 "%s\n", port_id, strerror(-ret));
+
+               if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+                       local_port_conf.txmode.offloads |=
+                                               DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+               local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+                                               dev_info.flow_type_rss_offloads;
+               if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+                               port_conf->rx_adv_conf.rss_conf.rss_hf) {
+                       printf("Port %u modified RSS hash function "
+                              "based on hardware support,"
+                              "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+                              port_id,
+                              port_conf->rx_adv_conf.rss_conf.rss_hf,
+                              local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+               }
+
+               ret = rte_eth_dev_configure(port_id, evt_rsrc->eth_rx_queues,
+                                           1, &local_port_conf);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "Cannot configure device: err=%d, port=%d\n",
+                                ret, port_id);
+
+               ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd,
+                                                      &nb_txd);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "Cannot adjust number of descriptors: err=%d, "
+                                "port=%d\n", ret, port_id);
+
+               rte_eth_macaddr_get(port_id, &ports_eth_addr[port_id]);
+               print_ethaddr(" Address:", &ports_eth_addr[port_id]);
+               printf(", ");
+               print_ethaddr("Destination:",
+                       (const struct rte_ether_addr *)&dest_eth_addr[port_id]);
+               printf(", ");
+
+               /* prepare source MAC for each port. */
+               rte_ether_addr_copy(&ports_eth_addr[port_id],
+                       (struct rte_ether_addr *)(val_eth + port_id) + 1);
+
+               /* init memory */
+               if (!evt_rsrc->per_port_pool) {
+                       /* port_id = 0; this is *not* signifying the first port,
+                        * rather, it signifies that port_id is ignored.
+                        */
+                       nb_mbuf = RTE_MAX(nb_ports * nb_rxd +
+                                         nb_ports * nb_txd +
+                                         nb_ports * nb_lcores *
+                                                       MAX_PKT_BURST +
+                                         nb_lcores * MEMPOOL_CACHE_SIZE,
+                                         8192u);
+                       ret = init_mem(0, nb_mbuf);
+               } else {
+                       nb_mbuf = RTE_MAX(nb_rxd + nb_rxd +
+                                         nb_lcores * MAX_PKT_BURST +
+                                         nb_lcores * MEMPOOL_CACHE_SIZE,
+                                         8192u);
+                       ret = init_mem(port_id, nb_mbuf);
+               }
+               /* init Rx queues per port */
+               rxconf = dev_info.default_rxconf;
+               rxconf.offloads = local_port_conf.rxmode.offloads;
+
+               for (eth_qid = 0; eth_qid < evt_rsrc->eth_rx_queues;
+                    eth_qid++) {
+                       if (!evt_rsrc->per_port_pool)
+                               ret = rte_eth_rx_queue_setup(port_id, eth_qid,
+                                       nb_rxd, 0, &rxconf,
+                                       evt_rsrc->pkt_pool[0][0]);
+                       else
+                               ret = rte_eth_rx_queue_setup(port_id, eth_qid,
+                                       nb_rxd, 0, &rxconf,
+                                       evt_rsrc->pkt_pool[port_id][0]);
+                       if (ret < 0)
+                               rte_exit(EXIT_FAILURE,
+                                        "rte_eth_rx_queue_setup: err=%d, "
+                                        "port=%d, eth_qid: %d\n",
+                                        ret, port_id, eth_qid);
+               }
+
+               /* init one Tx queue per port */
+               txconf = dev_info.default_txconf;
+               txconf.offloads = local_port_conf.txmode.offloads;
+               ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd, 0, &txconf);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "rte_eth_tx_queue_setup: err=%d, "
+                                "port=%d\n", ret, port_id);
+       }
+}
+
 static void
 l3fwd_event_capability_setup(void)
 {
@@ -55,10 +192,43 @@ l3fwd_event_capability_setup(void)
                l3fwd_event_set_internal_port_ops(&evt_rsrc->ops);
 }
 
+int
+l3fwd_get_free_event_port(struct l3fwd_event_resources *evt_rsrc)
+{
+       static int index;
+       int port_id;
+
+       rte_spinlock_lock(&evt_rsrc->evp.lock);
+       if (index >= evt_rsrc->evp.nb_ports) {
+               printf("No free event port is available\n");
+               return -1;
+       }
+
+       port_id = evt_rsrc->evp.event_p_id[index];
+       index++;
+       rte_spinlock_unlock(&evt_rsrc->evp.lock);
+
+       return port_id;
+}
+
 void
-l3fwd_event_resource_setup(void)
+l3fwd_event_resource_setup(struct rte_eth_conf *port_conf)
 {
        struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
+       const event_loop_cb lpm_event_loop[2][2] = {
+               [0][0] = lpm_event_main_loop_tx_d,
+               [0][1] = lpm_event_main_loop_tx_d_burst,
+               [1][0] = lpm_event_main_loop_tx_q,
+               [1][1] = lpm_event_main_loop_tx_q_burst,
+       };
+       const event_loop_cb em_event_loop[2][2] = {
+               [0][0] = em_event_main_loop_tx_d,
+               [0][1] = em_event_main_loop_tx_d_burst,
+               [1][0] = em_event_main_loop_tx_q,
+               [1][1] = em_event_main_loop_tx_q_burst,
+       };
+       uint32_t event_queue_cfg;
+       int ret;
 
        if (!evt_rsrc->enabled)
                return;
@@ -68,4 +238,30 @@ l3fwd_event_resource_setup(void)
 
        /* Setup eventdev capability callbacks */
        l3fwd_event_capability_setup();
+
+       /* Ethernet device configuration */
+       l3fwd_eth_dev_port_setup(port_conf);
+
+       /* Event device configuration */
+       event_queue_cfg = evt_rsrc->ops.event_device_setup();
+
+       /* Event queue configuration */
+       evt_rsrc->ops.event_queue_setup(event_queue_cfg);
+
+       /* Event port configuration */
+       evt_rsrc->ops.event_port_setup();
+
+       /* Rx/Tx adapters configuration */
+       evt_rsrc->ops.adapter_setup();
+
+       /* Start event device */
+       ret = rte_event_dev_start(evt_rsrc->event_d_id);
+       if (ret < 0)
+               rte_exit(EXIT_FAILURE, "Error in starting eventdev");
+
+       evt_rsrc->ops.lpm_event_loop = lpm_event_loop[evt_rsrc->tx_mode_q]
+                                                      [evt_rsrc->has_burst];
+
+       evt_rsrc->ops.em_event_loop = em_event_loop[evt_rsrc->tx_mode_q]
+                                                      [evt_rsrc->has_burst];
 }