update copyright date to 2013
[dpdk.git] / examples / link_status_interrupt / main.c
index 8b209e1..c3311e1 100644 (file)
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  * 
- *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
  *   All rights reserved.
  * 
  *   Redistribution and use in source and binary forms, with or without 
@@ -133,8 +133,8 @@ struct mbuf_table {
 #define MAX_RX_QUEUE_PER_LCORE 16
 #define MAX_TX_QUEUE_PER_PORT 16
 struct lcore_queue_conf {
-       unsigned n_rx_queue;
-       unsigned rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+       unsigned n_rx_port;
+       unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
        unsigned tx_queue_id;
        struct mbuf_table tx_mbufs[LSI_MAX_PORTS];
 
@@ -151,6 +151,7 @@ static const struct rte_eth_conf port_conf = {
                .hw_strip_crc   = 0, /**< CRC stripped by hardware */
        },
        .txmode = {
+               .mq_mode = ETH_DCB_NONE,
        },
        .intr_conf = {
                .lsc = 1, /**< lsc interrupt feature enabled */
@@ -303,9 +304,9 @@ lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
 
        eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 
-       /* 00:09:c0:00:00:xx */
+       /* 02:00:00:00:00:xx */
        tmp = &eth->d_addr.addr_bytes[0];
-       *((uint64_t *)tmp) = 0x000000c00900 + (dst_port << 24);
+       *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 
        /* src addr */
        ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
@@ -330,16 +331,16 @@ lsi_main_loop(void)
        lcore_id = rte_lcore_id();
        qconf = &lcore_queue_conf[lcore_id];
 
-       if (qconf->n_rx_queue == 0) {
+       if (qconf->n_rx_port == 0) {
                RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
                while(1);
        }
 
        RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
 
-       for (i = 0; i < qconf->n_rx_queue; i++) {
+       for (i = 0; i < qconf->n_rx_port; i++) {
 
-               portid = qconf->rx_queue_list[i];
+               portid = qconf->rx_port_list[i];
                RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
                        portid);
        }
@@ -389,9 +390,9 @@ lsi_main_loop(void)
                /*
                 * Read packet from RX queues
                 */
-               for (i = 0; i < qconf->n_rx_queue; i++) {
+               for (i = 0; i < qconf->n_rx_port; i++) {
 
-                       portid = qconf->rx_queue_list[i];
+                       portid = qconf->rx_port_list[i];
                        nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
                                                 pkts_burst, MAX_PKT_BURST);
 
@@ -567,7 +568,7 @@ lsi_event_callback(uint8_t port_id, enum rte_eth_event_type type, void *param)
 
        printf("\n\nIn registered callback...\n");
        printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
-       rte_eth_link_get(port_id, &link);
+       rte_eth_link_get_nowait(port_id, &link);
        if (link.link_status) {
                printf("Port %d Link Up - speed %u Mbps - %s\n\n",
                                port_id, (unsigned)link.link_speed,
@@ -577,17 +578,70 @@ lsi_event_callback(uint8_t port_id, enum rte_eth_event_type type, void *param)
                printf("Port %d Link Down\n\n", port_id);
 }
 
+/* Check the link status of all ports in up to 9s, and print them finally */
+static void
+check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+       uint8_t portid, count, all_ports_up, print_flag = 0;
+       struct rte_eth_link link;
+
+       printf("\nChecking link status");
+       fflush(stdout);
+       for (count = 0; count <= MAX_CHECK_TIME; count++) {
+               all_ports_up = 1;
+               for (portid = 0; portid < port_num; portid++) {
+                       if ((port_mask & (1 << portid)) == 0)
+                               continue;
+                       memset(&link, 0, sizeof(link));
+                       rte_eth_link_get_nowait(portid, &link);
+                       /* print link status if flag set */
+                       if (print_flag == 1) {
+                               if (link.link_status)
+                                       printf("Port %d Link Up - speed %u "
+                                               "Mbps - %s\n", (uint8_t)portid,
+                                               (unsigned)link.link_speed,
+                               (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+                                       ("full-duplex") : ("half-duplex\n"));
+                               else
+                                       printf("Port %d Link Down\n",
+                                                       (uint8_t)portid);
+                               continue;
+                       }
+                       /* clear all_ports_up flag if any link down */
+                       if (link.link_status == 0) {
+                               all_ports_up = 0;
+                               break;
+                       }
+               }
+               /* after finally printing all link status, get out */
+               if (print_flag == 1)
+                       break;
+
+               if (all_ports_up == 0) {
+                       printf(".");
+                       fflush(stdout);
+                       rte_delay_ms(CHECK_INTERVAL);
+               }
+
+               /* set the print_flag if all ports up or timeout */
+               if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
+                       print_flag = 1;
+                       printf("done\n");
+               }
+       }
+}
+
 int
 MAIN(int argc, char **argv)
 {
        struct lcore_queue_conf *qconf;
        struct rte_eth_dev_info dev_info;
-       struct rte_eth_link link;
        int ret;
-       unsigned int nb_ports, nb_lcores;
-       unsigned portid, portid_last = 0, queueid = 0;
+       unsigned int nb_ports;
+       unsigned portid, portid_last = 0;
        unsigned lcore_id, rx_lcore_id;
-       unsigned n_tx_queue, max_tx_queues;
        unsigned nb_ports_in_mask = 0;
 
        /* init EAL */
@@ -614,14 +668,8 @@ MAIN(int argc, char **argv)
                rte_panic("Cannot init mbuf pool\n");
 
        /* init driver(s) */
-#ifdef RTE_LIBRTE_IGB_PMD
-       if (rte_igb_pmd_init() < 0)
-               rte_panic("Cannot init igb pmd\n");
-#endif
-#ifdef RTE_LIBRTE_IXGBE_PMD
-       if (rte_ixgbe_pmd_init() < 0)
-               rte_panic("Cannot init ixgbe pmd\n");
-#endif
+       if (rte_pmd_init_all() < 0)
+               rte_panic("Cannot init pmd\n");
 
        if (rte_eal_pci_probe() < 0)
                rte_panic("Cannot probe PCI\n");
@@ -633,13 +681,9 @@ MAIN(int argc, char **argv)
        if (nb_ports > LSI_MAX_PORTS)
                nb_ports = LSI_MAX_PORTS;
 
-       nb_lcores = rte_lcore_count();
-
        /*
         * Each logical core is assigned a dedicated TX queue on each port.
-        * Compute the maximum number of TX queues that can be used.
         */
-       max_tx_queues = nb_lcores;
        for (portid = 0; portid < nb_ports; portid++) {
                /* skip ports that are not enabled */
                if ((lsi_enabled_port_mask & (1 << portid)) == 0)
@@ -656,10 +700,7 @@ MAIN(int argc, char **argv)
                nb_ports_in_mask++;
 
                rte_eth_dev_info_get((uint8_t) portid, &dev_info);
-               if (max_tx_queues > dev_info.max_tx_queues)
-                       max_tx_queues = dev_info.max_tx_queues;
        }
-
        if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
                rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
                                "but it should be even and at least 2\n",
@@ -667,8 +708,6 @@ MAIN(int argc, char **argv)
 
        rx_lcore_id = 0;
        qconf = &lcore_queue_conf[rx_lcore_id];
-       qconf->tx_queue_id = 0;
-       n_tx_queue = 1;
 
        /* Initialize the port/queue configuration of each logical core */
        for (portid = 0; portid < nb_ports; portid++) {
@@ -678,30 +717,24 @@ MAIN(int argc, char **argv)
 
                /* get the lcore_id for this port */
                while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
-                      lcore_queue_conf[rx_lcore_id].n_rx_queue ==
+                      lcore_queue_conf[rx_lcore_id].n_rx_port ==
                       lsi_rx_queue_per_lcore) {
 
                        rx_lcore_id++;
                        if (rx_lcore_id >= RTE_MAX_LCORE)
                                rte_exit(EXIT_FAILURE, "Not enough cores\n");
-                       if (n_tx_queue == max_tx_queues)
-                               rte_exit(EXIT_FAILURE, "Not enough TX queues\n");
                }
-               if (qconf != &lcore_queue_conf[rx_lcore_id]) {
+               if (qconf != &lcore_queue_conf[rx_lcore_id])
                        /* Assigned a new logical core in the loop above. */
                        qconf = &lcore_queue_conf[rx_lcore_id];
-                       qconf->tx_queue_id = n_tx_queue;
-                       n_tx_queue++;
-               }
-               qconf->rx_queue_list[qconf->n_rx_queue] = portid;
-               qconf->n_rx_queue++;
-               printf("Lcore %u: RX port %u TX queue %u\n",
-                      rx_lcore_id, portid, qconf->tx_queue_id);
+
+               qconf->rx_port_list[qconf->n_rx_port] = portid;
+               qconf->n_rx_port++;
+               printf("Lcore %u: RX port %u\n",rx_lcore_id, portid);
        }
 
        /* Initialise each port */
        for (portid = 0; portid < nb_ports; portid++) {
-
                /* skip ports that are not enabled */
                if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
                        printf("Skipping disabled port %u\n", portid);
@@ -710,8 +743,7 @@ MAIN(int argc, char **argv)
                /* init port */
                printf("Initializing port %u... ", portid);
                fflush(stdout);
-               ret = rte_eth_dev_configure((uint8_t) portid, 1,
-                                           (uint16_t) n_tx_queue, &port_conf);
+               ret = rte_eth_dev_configure((uint8_t) portid, 1, 1, &port_conf);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
                                  ret, portid);
@@ -737,35 +769,19 @@ MAIN(int argc, char **argv)
                                  ret, portid);
 
                /* init one TX queue logical core on each port */
-               for (queueid = 0; queueid < n_tx_queue; queueid++) {
-                       fflush(stdout);
-                       ret = rte_eth_tx_queue_setup((uint8_t) portid,
-                                                    (uint16_t) queueid, nb_txd,
-                                                    SOCKET0, &tx_conf);
-                       if (ret < 0)
-                               rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
-                                         "port=%u queue=%u\n",
-                                         ret, portid, queueid);
-               }
+               fflush(stdout);
+               ret = rte_eth_tx_queue_setup((uint8_t) portid, 0, nb_txd,
+                               SOCKET0, &tx_conf);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
+                                 ret, portid);
 
                /* Start device */
                ret = rte_eth_dev_start((uint8_t) portid);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
                                  ret, portid);
-
-               printf("done: ");
-
-               /* get link status */
-               rte_eth_link_get((uint8_t) portid, &link);
-               if (link.link_status) {
-                       printf(" Link Up - speed %u Mbps - %s\n",
-                              (unsigned) link.link_speed,
-                              (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
-                              ("full-duplex") : ("half-duplex\n"));
-               } else {
-                       printf(" Link Down\n");
-               }
+               printf("done:\n");
 
                printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
                                portid,
@@ -780,6 +796,8 @@ MAIN(int argc, char **argv)
                memset(&port_statistics, 0, sizeof(port_statistics));
        }
 
+       check_all_ports_link_status((uint8_t)nb_ports, lsi_enabled_port_mask);
+
        /* launch per-lcore init on every lcore */
        rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
        RTE_LCORE_FOREACH_SLAVE(lcore_id) {