app/test-pipeline/init.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdint.h>
   8 #include <inttypes.h>
   9 #include <sys/types.h>
  10 #include <string.h>
  11 #include <sys/queue.h>
  12 #include <stdarg.h>
  13 #include <errno.h>
  14 #include <getopt.h>
  15
  16 #include <rte_common.h>
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_memory.h>
  20 #include <rte_memcpy.h>
  21 #include <rte_eal.h>
  22 #include <rte_per_lcore.h>
  23 #include <rte_launch.h>
  24 #include <rte_atomic.h>
  25 #include <rte_cycles.h>
  26 #include <rte_prefetch.h>
  27 #include <rte_lcore.h>
  28 #include <rte_branch_prediction.h>
  29 #include <rte_interrupts.h>
  30 #include <rte_pci.h>
  31 #include <rte_random.h>
  32 #include <rte_debug.h>
  33 #include <rte_ether.h>
  34 #include <rte_ethdev.h>
  35 #include <rte_ring.h>
  36 #include <rte_mempool.h>
  37 #include <rte_mbuf.h>
  38 #include <rte_string_fns.h>
  39 #include <rte_ip.h>
  40 #include <rte_tcp.h>
  41 #include <rte_lpm.h>
  42 #include <rte_lpm6.h>
  43
  44 #include "main.h"
  45
  46 struct app_params app = {
  47         /* Ports*/
  48         .n_ports = APP_MAX_PORTS,
  49         .port_rx_ring_size = 128,
  50         .port_tx_ring_size = 512,
  51
  52         /* Rings */
  53         .ring_rx_size = 128,
  54         .ring_tx_size = 128,
  55
  56         /* Buffer pool */
  57         .pool_buffer_size = 2048 + RTE_PKTMBUF_HEADROOM,
  58         .pool_size = 32 * 1024,
  59         .pool_cache_size = 256,
  60
  61         /* Burst sizes */
  62         .burst_size_rx_read = 64,
  63         .burst_size_rx_write = 64,
  64         .burst_size_worker_read = 64,
  65         .burst_size_worker_write = 64,
  66         .burst_size_tx_read = 64,
  67         .burst_size_tx_write = 64,
  68 };
  69
  70 static struct rte_eth_conf port_conf = {
  71         .rxmode = {
  72                 .split_hdr_size = 0,
  73                 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
  74         },
  75         .rx_adv_conf = {
  76                 .rss_conf = {
  77                         .rss_key = NULL,
  78                         .rss_hf = ETH_RSS_IP,
  79                 },
  80         },
  81         .txmode = {
  82                 .mq_mode = ETH_MQ_TX_NONE,
  83         },
  84 };
  85
  86 static struct rte_eth_rxconf rx_conf = {
  87         .rx_thresh = {
  88                 .pthresh = 8,
  89                 .hthresh = 8,
  90                 .wthresh = 4,
  91         },
  92         .rx_free_thresh = 64,
  93         .rx_drop_en = 0,
  94 };
  95
  96 static struct rte_eth_txconf tx_conf = {
  97         .tx_thresh = {
  98                 .pthresh = 36,
  99                 .hthresh = 0,
 100                 .wthresh = 0,
 101         },
 102         .tx_free_thresh = 0,
 103         .tx_rs_thresh = 0,
 104 };
 105
 106 static void
 107 app_init_mbuf_pools(void)
 108 {
 109         /* Init the buffer pool */
 110         RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n");
 111         app.pool = rte_pktmbuf_pool_create("mempool", app.pool_size,
 112                 app.pool_cache_size, 0, app.pool_buffer_size, rte_socket_id());
 113         if (app.pool == NULL)
 114                 rte_panic("Cannot create mbuf pool\n");
 115 }
 116
 117 static void
 118 app_init_rings(void)
 119 {
 120         uint32_t i;
 121
 122         for (i = 0; i < app.n_ports; i++) {
 123                 char name[32];
 124
 125                 snprintf(name, sizeof(name), "app_ring_rx_%u", i);
 126
 127                 app.rings_rx[i] = rte_ring_create(
 128                         name,
 129                         app.ring_rx_size,
 130                         rte_socket_id(),
 131                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 132
 133                 if (app.rings_rx[i] == NULL)
 134                         rte_panic("Cannot create RX ring %u\n", i);
 135         }
 136
 137         for (i = 0; i < app.n_ports; i++) {
 138                 char name[32];
 139
 140                 snprintf(name, sizeof(name), "app_ring_tx_%u", i);
 141
 142                 app.rings_tx[i] = rte_ring_create(
 143                         name,
 144                         app.ring_tx_size,
 145                         rte_socket_id(),
 146                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 147
 148                 if (app.rings_tx[i] == NULL)
 149                         rte_panic("Cannot create TX ring %u\n", i);
 150         }
 151
 152 }
 153
 154 static void
 155 app_ports_check_link(void)
 156 {
 157         uint32_t all_ports_up, i;
 158         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 159         all_ports_up = 1;
 160
 161         for (i = 0; i < app.n_ports; i++) {
 162                 struct rte_eth_link link;
 163                 uint16_t port;
 164                 int ret;
 165
 166                 port = app.ports[i];
 167                 memset(&link, 0, sizeof(link));
 168                 ret = rte_eth_link_get_nowait(port, &link);
 169                 if (ret < 0) {
 170                         RTE_LOG(INFO, USER1,
 171                                 "Failed to get port %u link status: %s\n",
 172                                 port, rte_strerror(-ret));
 173                         all_ports_up = 0;
 174                         continue;
 175                 }
 176                 rte_eth_link_to_str(link_status_text, sizeof(link_status_text),
 177                                     &link);
 178                 RTE_LOG(INFO, USER1, "Port %u %s\n",
 179                         port,
 180                         link_status_text);
 181                 if (link.link_status == ETH_LINK_DOWN)
 182                         all_ports_up = 0;
 183         }
 184
 185         if (all_ports_up == 0)
 186                 rte_panic("Some NIC ports are DOWN\n");
 187 }
 188
 189 static void
 190 app_init_ports(void)
 191 {
 192         uint32_t i;
 193
 194         /* Init NIC ports, then start the ports */
 195         for (i = 0; i < app.n_ports; i++) {
 196                 uint16_t port;
 197                 int ret;
 198
 199                 port = app.ports[i];
 200                 RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port);
 201
 202                 /* Init port */
 203                 ret = rte_eth_dev_configure(
 204                         port,
 205                         1,
 206                         1,
 207                         &port_conf);
 208                 if (ret < 0)
 209                         rte_panic("Cannot init NIC port %u (%d)\n", port, ret);
 210
 211                 ret = rte_eth_promiscuous_enable(port);
 212                 if (ret != 0)
 213                         rte_panic("Cannot enable promiscuous mode for port %u: %s\n",
 214                                 port, rte_strerror(-ret));
 215
 216                 /* Init RX queues */
 217                 ret = rte_eth_rx_queue_setup(
 218                         port,
 219                         0,
 220                         app.port_rx_ring_size,
 221                         rte_eth_dev_socket_id(port),
 222                         &rx_conf,
 223                         app.pool);
 224                 if (ret < 0)
 225                         rte_panic("Cannot init RX for port %u (%d)\n",
 226                                 (uint32_t) port, ret);
 227
 228                 /* Init TX queues */
 229                 ret = rte_eth_tx_queue_setup(
 230                         port,
 231                         0,
 232                         app.port_tx_ring_size,
 233                         rte_eth_dev_socket_id(port),
 234                         &tx_conf);
 235                 if (ret < 0)
 236                         rte_panic("Cannot init TX for port %u (%d)\n",
 237                                 (uint32_t) port, ret);
 238
 239                 /* Start port */
 240                 ret = rte_eth_dev_start(port);
 241                 if (ret < 0)
 242                         rte_panic("Cannot start port %u (%d)\n", port, ret);
 243         }
 244
 245         app_ports_check_link();
 246 }
 247
 248 void
 249 app_init(void)
 250 {
 251         app_init_mbuf_pools();
 252         app_init_rings();
 253         app_init_ports();
 254
 255         RTE_LOG(INFO, USER1, "Initialization completed\n");
 256 }