examples: add eal cleanup to examples
[dpdk.git] / examples / link_status_interrupt / main.c
index 04dc3e4..d8ff5f1 100644 (file)
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
  */
 
 #include <stdio.h>
@@ -37,9 +8,7 @@
 #include <stdint.h>
 #include <inttypes.h>
 #include <sys/types.h>
-#include <string.h>
 #include <sys/queue.h>
-#include <netinet/in.h>
 #include <setjmp.h>
 #include <stdarg.h>
 #include <ctype.h>
@@ -51,9 +20,7 @@
 #include <rte_malloc.h>
 #include <rte_memory.h>
 #include <rte_memcpy.h>
-#include <rte_memzone.h>
 #include <rte_eal.h>
-#include <rte_per_lcore.h>
 #include <rte_launch.h>
 #include <rte_atomic.h>
 #include <rte_cycles.h>
 #include <rte_per_lcore.h>
 #include <rte_branch_prediction.h>
 #include <rte_interrupts.h>
-#include <rte_pci.h>
 #include <rte_random.h>
 #include <rte_debug.h>
 #include <rte_ether.h>
 #include <rte_ethdev.h>
-#include <rte_ring.h>
 #include <rte_mempool.h>
 #include <rte_mbuf.h>
 
 /*
  * Configurable number of RX/TX ring descriptors
  */
-#define RTE_TEST_RX_DESC_DEFAULT 128
-#define RTE_TEST_TX_DESC_DEFAULT 512
+#define RTE_TEST_RX_DESC_DEFAULT 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 
 /* ethernet addresses of ports */
-static struct ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS];
+static struct rte_ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS];
 
 /* mask of enabled ports */
 static uint32_t lsi_enabled_port_mask = 0;
@@ -110,14 +75,9 @@ struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 
 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
 
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
        .rxmode = {
                .split_hdr_size = 0,
-               .header_split   = 0, /**< Header Split disabled */
-               .hw_ip_checksum = 0, /**< IP checksum offload disabled */
-               .hw_vlan_filter = 0, /**< VLAN filtering disabled */
-               .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
-               .hw_strip_crc   = 0, /**< CRC stripped by hardware */
        },
        .txmode = {
                .mq_mode = ETH_MQ_TX_NONE,
@@ -148,7 +108,7 @@ print_stats(void)
 {
        struct rte_eth_link link;
        uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
-       unsigned portid;
+       uint16_t portid;
 
        total_packets_dropped = 0;
        total_packets_tx = 0;
@@ -156,6 +116,7 @@ print_stats(void)
 
        const char clr[] = { 27, '[', '2', 'J', '\0' };
        const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
+       int link_get_err;
 
                /* Clear screen and move to top left */
        printf("%s%s", clr, topLeft);
@@ -168,17 +129,20 @@ print_stats(void)
                        continue;
 
                memset(&link, 0, sizeof(link));
-               rte_eth_link_get_nowait((uint8_t)portid, &link);
+               link_get_err = rte_eth_link_get_nowait(portid, &link);
                printf("\nStatistics for port %u ------------------------------"
                           "\nLink status: %25s"
-                          "\nLink speed: %26u"
+                          "\nLink speed: %26s"
                           "\nLink duplex: %25s"
                           "\nPackets sent: %24"PRIu64
                           "\nPackets received: %20"PRIu64
                           "\nPackets dropped: %21"PRIu64,
                           portid,
+                          link_get_err < 0 ? "Link get failed" :
                           (link.link_status ? "Link up" : "Link down"),
-                          (unsigned)link.link_speed,
+                          link_get_err < 0 ? "0" :
+                          rte_eth_link_speed_to_str(link.link_speed),
+                          link_get_err < 0 ? "Link get failed" :
                           (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
                                        "full-duplex" : "half-duplex"),
                           port_statistics[portid].tx,
@@ -197,25 +161,27 @@ print_stats(void)
                   total_packets_rx,
                   total_packets_dropped);
        printf("\n====================================================\n");
+
+       fflush(stdout);
 }
 
 static void
 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
 {
-       struct ether_hdr *eth;
+       struct rte_ether_hdr *eth;
        void *tmp;
        unsigned dst_port = lsi_dst_ports[portid];
        int sent;
        struct rte_eth_dev_tx_buffer *buffer;
 
-       eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
+       eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 
        /* 02:00:00:00:00:xx */
        tmp = &eth->d_addr.addr_bytes[0];
        *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 
        /* src addr */
-       ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
+       rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
 
        buffer = tx_buffer[dst_port];
        sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
@@ -288,8 +254,8 @@ lsi_main_loop(void)
                                /* if timer has reached its timeout */
                                if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
 
-                                       /* do this only on master core */
-                                       if (lcore_id == rte_get_master_lcore()) {
+                                       /* do this only on main core */
+                                       if (lcore_id == rte_get_main_lcore()) {
                                                print_stats();
                                                /* reset the timer */
                                                timer_tsc = 0;
@@ -321,7 +287,7 @@ lsi_main_loop(void)
 }
 
 static int
-lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
+lsi_launch_one_lcore(__rte_unused void *dummy)
 {
        lsi_main_loop();
        return 0;
@@ -347,10 +313,7 @@ lsi_parse_portmask(const char *portmask)
        /* parse hexadecimal string */
        pm = strtoul(portmask, &end, 16);
        if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
-               return -1;
-
-       if (pm == 0)
-               return -1;
+               return 0;
 
        return pm;
 }
@@ -452,7 +415,7 @@ lsi_parse_args(int argc, char **argv)
                argv[optind-1] = prgname;
 
        ret = optind-1;
-       optind = 0; /* reset getopt lib */
+       optind = 1; /* reset getopt lib */
        return ret;
 }
 
@@ -470,35 +433,44 @@ lsi_parse_args(int argc, char **argv)
  *  Pointer to(address of) the parameters.
  *
  * @return
- *  void.
+ *  int.
  */
-static void
-lsi_event_callback(uint8_t port_id, enum rte_eth_event_type type, void *param)
+static int
+lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
+                   void *ret_param)
 {
        struct rte_eth_link link;
+       int ret;
+       char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 
        RTE_SET_USED(param);
+       RTE_SET_USED(ret_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_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,
-                       (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
-                               ("full-duplex") : ("half-duplex"));
-       } else
-               printf("Port %d Link Down\n\n", port_id);
+       ret = rte_eth_link_get_nowait(port_id, &link);
+       if (ret < 0) {
+               printf("Failed link get on port %d: %s\n",
+                      port_id, rte_strerror(-ret));
+               return ret;
+       }
+       rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link);
+       printf("Port %d %s\n\n", port_id, link_status_text);
+
+       return 0;
 }
 
 /* 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)
+check_all_ports_link_status(uint16_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;
+       uint8_t count, all_ports_up, print_flag = 0;
+       uint16_t portid;
        struct rte_eth_link link;
+       int ret;
+       char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 
        printf("\nChecking link status");
        fflush(stdout);
@@ -508,18 +480,20 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
                        if ((port_mask & (1 << portid)) == 0)
                                continue;
                        memset(&link, 0, sizeof(link));
-                       rte_eth_link_get_nowait(portid, &link);
+                       ret = rte_eth_link_get_nowait(portid, &link);
+                       if (ret < 0) {
+                               all_ports_up = 0;
+                               if (print_flag == 1)
+                                       printf("Port %u link get failed: %s\n",
+                                               portid, rte_strerror(-ret));
+                               continue;
+                       }
                        /* 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);
+                               rte_eth_link_to_str(link_status_text,
+                                       sizeof(link_status_text), &link);
+                               printf("Port %d %s", portid,
+                                      link_status_text);
                                continue;
                        }
                        /* clear all_ports_up flag if any link down */
@@ -550,10 +524,9 @@ int
 main(int argc, char **argv)
 {
        struct lcore_queue_conf *qconf;
-       struct rte_eth_dev_info dev_info;
        int ret;
-       uint8_t nb_ports;
-       uint8_t portid, portid_last = 0;
+       uint16_t nb_ports;
+       uint16_t portid, portid_last = 0;
        unsigned lcore_id, rx_lcore_id;
        unsigned nb_ports_in_mask = 0;
 
@@ -576,7 +549,7 @@ main(int argc, char **argv)
        if (lsi_pktmbuf_pool == NULL)
                rte_panic("Cannot init mbuf pool\n");
 
-       nb_ports = rte_eth_dev_count();
+       nb_ports = rte_eth_dev_count_avail();
        if (nb_ports == 0)
                rte_panic("No Ethernet port - bye\n");
 
@@ -597,8 +570,6 @@ main(int argc, char **argv)
                        portid_last = portid;
 
                nb_ports_in_mask++;
-
-               rte_eth_dev_info_get(portid, &dev_info);
        }
        if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
                rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
@@ -634,6 +605,11 @@ main(int argc, char **argv)
 
        /* Initialise each port */
        for (portid = 0; portid < nb_ports; portid++) {
+               struct rte_eth_rxconf rxq_conf;
+               struct rte_eth_txconf txq_conf;
+               struct rte_eth_conf local_port_conf = port_conf;
+               struct rte_eth_dev_info dev_info;
+
                /* skip ports that are not enabled */
                if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
                        printf("Skipping disabled port %u\n", (unsigned) portid);
@@ -642,11 +618,28 @@ main(int argc, char **argv)
                /* init port */
                printf("Initializing port %u... ", (unsigned) portid);
                fflush(stdout);
-               ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
+
+               ret = rte_eth_dev_info_get(portid, &dev_info);
+               if (ret != 0)
+                       rte_exit(EXIT_FAILURE,
+                               "Error during getting device (port %u) info: %s\n",
+                               portid, 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;
+               ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
                                  ret, (unsigned) portid);
 
+               ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+                                                      &nb_txd);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
+                                ret, (unsigned) portid);
+
                /* register lsi interrupt callback, need to be after
                 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
                 * lsc interrupt will be present, and below callback to
@@ -655,14 +648,20 @@ main(int argc, char **argv)
                rte_eth_dev_callback_register(portid,
                        RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
 
-               rte_eth_macaddr_get(portid,
+               ret = rte_eth_macaddr_get(portid,
                                    &lsi_ports_eth_addr[portid]);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "rte_eth_macaddr_get: err=%d, port=%u\n",
+                                ret, (unsigned int)portid);
 
                /* init one RX queue */
                fflush(stdout);
+               rxq_conf = dev_info.default_rxconf;
+               rxq_conf.offloads = local_port_conf.rxmode.offloads;
                ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
                                             rte_eth_dev_socket_id(portid),
-                                            NULL,
+                                            &rxq_conf,
                                             lsi_pktmbuf_pool);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
@@ -670,9 +669,11 @@ main(int argc, char **argv)
 
                /* init one TX queue logical core on each port */
                fflush(stdout);
+               txq_conf = dev_info.default_txconf;
+               txq_conf.offloads = local_port_conf.txmode.offloads;
                ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
                                rte_eth_dev_socket_id(portid),
-                               NULL);
+                               &txq_conf);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
                                  ret, (unsigned) portid);
@@ -701,7 +702,11 @@ main(int argc, char **argv)
                                  ret, (unsigned) portid);
                printf("done:\n");
 
-               rte_eth_promiscuous_enable(portid);
+               ret = rte_eth_promiscuous_enable(portid);
+               if (ret != 0)
+                       rte_exit(EXIT_FAILURE,
+                               "rte_eth_promiscuous_enable: err=%s, port=%u\n",
+                               rte_strerror(-ret), portid);
 
                printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
                                (unsigned) portid,
@@ -719,11 +724,14 @@ main(int argc, char **argv)
        check_all_ports_link_status(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) {
+       rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MAIN);
+       RTE_LCORE_FOREACH_WORKER(lcore_id) {
                if (rte_eal_wait_lcore(lcore_id) < 0)
                        return -1;
        }
 
+       /* clean up the EAL */
+       rte_eal_cleanup();
+
        return 0;
 }