app/test-pipeline/init.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <string.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44
  45 #include <rte_common.h>
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_memory.h>
  49 #include <rte_memcpy.h>
  50 #include <rte_memzone.h>
  51 #include <rte_tailq.h>
  52 #include <rte_eal.h>
  53 #include <rte_per_lcore.h>
  54 #include <rte_launch.h>
  55 #include <rte_atomic.h>
  56 #include <rte_cycles.h>
  57 #include <rte_prefetch.h>
  58 #include <rte_lcore.h>
  59 #include <rte_per_lcore.h>
  60 #include <rte_branch_prediction.h>
  61 #include <rte_interrupts.h>
  62 #include <rte_pci.h>
  63 #include <rte_random.h>
  64 #include <rte_debug.h>
  65 #include <rte_ether.h>
  66 #include <rte_ethdev.h>
  67 #include <rte_ring.h>
  68 #include <rte_mempool.h>
  69 #include <rte_mbuf.h>
  70 #include <rte_string_fns.h>
  71 #include <rte_ip.h>
  72 #include <rte_tcp.h>
  73 #include <rte_lpm.h>
  74 #include <rte_lpm6.h>
  75
  76 #include "main.h"
  77
  78 struct app_params app = {
  79         /* Ports*/
  80         .n_ports = APP_MAX_PORTS,
  81         .port_rx_ring_size = 128,
  82         .port_tx_ring_size = 512,
  83
  84         /* Rings */
  85         .ring_rx_size = 128,
  86         .ring_tx_size = 128,
  87
  88         /* Buffer pool */
  89         .pool_buffer_size = 2048 + sizeof(struct rte_mbuf) +
  90                 RTE_PKTMBUF_HEADROOM,
  91         .pool_size = 32 * 1024,
  92         .pool_cache_size = 256,
  93
  94         /* Burst sizes */
  95         .burst_size_rx_read = 64,
  96         .burst_size_rx_write = 64,
  97         .burst_size_worker_read = 64,
  98         .burst_size_worker_write = 64,
  99         .burst_size_tx_read = 64,
 100         .burst_size_tx_write = 64,
 101 };
 102
 103 static struct rte_eth_conf port_conf = {
 104         .rxmode = {
 105                 .split_hdr_size = 0,
 106                 .header_split   = 0, /* Header Split disabled */
 107                 .hw_ip_checksum = 1, /* IP checksum offload enabled */
 108                 .hw_vlan_filter = 0, /* VLAN filtering disabled */
 109                 .jumbo_frame    = 0, /* Jumbo Frame Support disabled */
 110                 .hw_strip_crc   = 0, /* CRC stripped by hardware */
 111         },
 112         .rx_adv_conf = {
 113                 .rss_conf = {
 114                         .rss_key = NULL,
 115                         .rss_hf = ETH_RSS_IP,
 116                 },
 117         },
 118         .txmode = {
 119                 .mq_mode = ETH_MQ_TX_NONE,
 120         },
 121 };
 122
 123 static struct rte_eth_rxconf rx_conf = {
 124         .rx_thresh = {
 125                 .pthresh = 8,
 126                 .hthresh = 8,
 127                 .wthresh = 4,
 128         },
 129         .rx_free_thresh = 64,
 130         .rx_drop_en = 0,
 131 };
 132
 133 static struct rte_eth_txconf tx_conf = {
 134         .tx_thresh = {
 135                 .pthresh = 36,
 136                 .hthresh = 0,
 137                 .wthresh = 0,
 138         },
 139         .tx_free_thresh = 0,
 140         .tx_rs_thresh = 0,
 141 };
 142
 143 static void
 144 app_init_mbuf_pools(void)
 145 {
 146         /* Init the buffer pool */
 147         RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n");
 148         app.pool = rte_mempool_create(
 149                 "mempool",
 150                 app.pool_size,
 151                 app.pool_buffer_size,
 152                 app.pool_cache_size,
 153                 sizeof(struct rte_pktmbuf_pool_private),
 154                 rte_pktmbuf_pool_init, NULL,
 155                 rte_pktmbuf_init, NULL,
 156                 rte_socket_id(),
 157                 0);
 158         if (app.pool == NULL)
 159                 rte_panic("Cannot create mbuf pool\n");
 160 }
 161
 162 static void
 163 app_init_rings(void)
 164 {
 165         uint32_t i;
 166
 167         for (i = 0; i < app.n_ports; i++) {
 168                 char name[32];
 169
 170                 snprintf(name, sizeof(name), "app_ring_rx_%u", i);
 171
 172                 app.rings_rx[i] = rte_ring_create(
 173                         name,
 174                         app.ring_rx_size,
 175                         rte_socket_id(),
 176                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 177
 178                 if (app.rings_rx[i] == NULL)
 179                         rte_panic("Cannot create RX ring %u\n", i);
 180         }
 181
 182         for (i = 0; i < app.n_ports; i++) {
 183                 char name[32];
 184
 185                 snprintf(name, sizeof(name), "app_ring_tx_%u", i);
 186
 187                 app.rings_tx[i] = rte_ring_create(
 188                         name,
 189                         app.ring_tx_size,
 190                         rte_socket_id(),
 191                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 192
 193                 if (app.rings_tx[i] == NULL)
 194                         rte_panic("Cannot create TX ring %u\n", i);
 195         }
 196
 197 }
 198
 199 static void
 200 app_ports_check_link(void)
 201 {
 202         uint32_t all_ports_up, i;
 203
 204         all_ports_up = 1;
 205
 206         for (i = 0; i < app.n_ports; i++) {
 207                 struct rte_eth_link link;
 208                 uint8_t port;
 209
 210                 port = (uint8_t) app.ports[i];
 211                 memset(&link, 0, sizeof(link));
 212                 rte_eth_link_get_nowait(port, &link);
 213                 RTE_LOG(INFO, USER1, "Port %u (%u Gbps) %s\n",
 214                         port,
 215                         link.link_speed / 1000,
 216                         link.link_status ? "UP" : "DOWN");
 217
 218                 if (link.link_status == 0)
 219                         all_ports_up = 0;
 220         }
 221
 222         if (all_ports_up == 0)
 223                 rte_panic("Some NIC ports are DOWN\n");
 224 }
 225
 226 static void
 227 app_init_ports(void)
 228 {
 229         uint32_t i;
 230
 231         /* Init NIC ports, then start the ports */
 232         for (i = 0; i < app.n_ports; i++) {
 233                 uint8_t port;
 234                 int ret;
 235
 236                 port = (uint8_t) app.ports[i];
 237                 RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port);
 238
 239                 /* Init port */
 240                 ret = rte_eth_dev_configure(
 241                         port,
 242                         1,
 243                         1,
 244                         &port_conf);
 245                 if (ret < 0)
 246                         rte_panic("Cannot init NIC port %u (%d)\n", port, ret);
 247
 248                 rte_eth_promiscuous_enable(port);
 249
 250                 /* Init RX queues */
 251                 ret = rte_eth_rx_queue_setup(
 252                         port,
 253                         0,
 254                         app.port_rx_ring_size,
 255                         rte_eth_dev_socket_id(port),
 256                         &rx_conf,
 257                         app.pool);
 258                 if (ret < 0)
 259                         rte_panic("Cannot init RX for port %u (%d)\n",
 260                                 (uint32_t) port, ret);
 261
 262                 /* Init TX queues */
 263                 ret = rte_eth_tx_queue_setup(
 264                         port,
 265                         0,
 266                         app.port_tx_ring_size,
 267                         rte_eth_dev_socket_id(port),
 268                         &tx_conf);
 269                 if (ret < 0)
 270                         rte_panic("Cannot init TX for port %u (%d)\n",
 271                                 (uint32_t) port, ret);
 272
 273                 /* Start port */
 274                 ret = rte_eth_dev_start(port);
 275                 if (ret < 0)
 276                         rte_panic("Cannot start port %u (%d)\n", port, ret);
 277         }
 278
 279         app_ports_check_link();
 280 }
 281
 282 void
 283 app_init(void)
 284 {
 285         app_init_mbuf_pools();
 286         app_init_rings();
 287         app_init_ports();
 288
 289         RTE_LOG(INFO, USER1, "Initialization completed\n");
 290 }