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_eal.h>
  52 #include <rte_per_lcore.h>
  53 #include <rte_launch.h>
  54 #include <rte_atomic.h>
  55 #include <rte_cycles.h>
  56 #include <rte_prefetch.h>
  57 #include <rte_lcore.h>
  58 #include <rte_per_lcore.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_pci.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_ring.h>
  67 #include <rte_mempool.h>
  68 #include <rte_mbuf.h>
  69 #include <rte_string_fns.h>
  70 #include <rte_ip.h>
  71 #include <rte_tcp.h>
  72 #include <rte_lpm.h>
  73 #include <rte_lpm6.h>
  74
  75 #include "main.h"
  76
  77 struct app_params app = {
  78         /* Ports*/
  79         .n_ports = APP_MAX_PORTS,
  80         .port_rx_ring_size = 128,
  81         .port_tx_ring_size = 512,
  82
  83         /* Rings */
  84         .ring_rx_size = 128,
  85         .ring_tx_size = 128,
  86
  87         /* Buffer pool */
  88         .pool_buffer_size = 2048 + sizeof(struct rte_mbuf) +
  89                 RTE_PKTMBUF_HEADROOM,
  90         .pool_size = 32 * 1024,
  91         .pool_cache_size = 256,
  92
  93         /* Burst sizes */
  94         .burst_size_rx_read = 64,
  95         .burst_size_rx_write = 64,
  96         .burst_size_worker_read = 64,
  97         .burst_size_worker_write = 64,
  98         .burst_size_tx_read = 64,
  99         .burst_size_tx_write = 64,
 100 };
 101
 102 static struct rte_eth_conf port_conf = {
 103         .rxmode = {
 104                 .split_hdr_size = 0,
 105                 .header_split   = 0, /* Header Split disabled */
 106                 .hw_ip_checksum = 1, /* IP checksum offload enabled */
 107                 .hw_vlan_filter = 0, /* VLAN filtering disabled */
 108                 .jumbo_frame    = 0, /* Jumbo Frame Support disabled */
 109                 .hw_strip_crc   = 0, /* CRC stripped by hardware */
 110         },
 111         .rx_adv_conf = {
 112                 .rss_conf = {
 113                         .rss_key = NULL,
 114                         .rss_hf = ETH_RSS_IP,
 115                 },
 116         },
 117         .txmode = {
 118                 .mq_mode = ETH_MQ_TX_NONE,
 119         },
 120 };
 121
 122 static struct rte_eth_rxconf rx_conf = {
 123         .rx_thresh = {
 124                 .pthresh = 8,
 125                 .hthresh = 8,
 126                 .wthresh = 4,
 127         },
 128         .rx_free_thresh = 64,
 129         .rx_drop_en = 0,
 130 };
 131
 132 static struct rte_eth_txconf tx_conf = {
 133         .tx_thresh = {
 134                 .pthresh = 36,
 135                 .hthresh = 0,
 136                 .wthresh = 0,
 137         },
 138         .tx_free_thresh = 0,
 139         .tx_rs_thresh = 0,
 140 };
 141
 142 static void
 143 app_init_mbuf_pools(void)
 144 {
 145         /* Init the buffer pool */
 146         RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n");
 147         app.pool = rte_mempool_create(
 148                 "mempool",
 149                 app.pool_size,
 150                 app.pool_buffer_size,
 151                 app.pool_cache_size,
 152                 sizeof(struct rte_pktmbuf_pool_private),
 153                 rte_pktmbuf_pool_init, NULL,
 154                 rte_pktmbuf_init, NULL,
 155                 rte_socket_id(),
 156                 0);
 157         if (app.pool == NULL)
 158                 rte_panic("Cannot create mbuf pool\n");
 159 }
 160
 161 static void
 162 app_init_rings(void)
 163 {
 164         uint32_t i;
 165
 166         for (i = 0; i < app.n_ports; i++) {
 167                 char name[32];
 168
 169                 snprintf(name, sizeof(name), "app_ring_rx_%u", i);
 170
 171                 app.rings_rx[i] = rte_ring_create(
 172                         name,
 173                         app.ring_rx_size,
 174                         rte_socket_id(),
 175                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 176
 177                 if (app.rings_rx[i] == NULL)
 178                         rte_panic("Cannot create RX ring %u\n", i);
 179         }
 180
 181         for (i = 0; i < app.n_ports; i++) {
 182                 char name[32];
 183
 184                 snprintf(name, sizeof(name), "app_ring_tx_%u", i);
 185
 186                 app.rings_tx[i] = rte_ring_create(
 187                         name,
 188                         app.ring_tx_size,
 189                         rte_socket_id(),
 190                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 191
 192                 if (app.rings_tx[i] == NULL)
 193                         rte_panic("Cannot create TX ring %u\n", i);
 194         }
 195
 196 }
 197
 198 static void
 199 app_ports_check_link(void)
 200 {
 201         uint32_t all_ports_up, i;
 202
 203         all_ports_up = 1;
 204
 205         for (i = 0; i < app.n_ports; i++) {
 206                 struct rte_eth_link link;
 207                 uint8_t port;
 208
 209                 port = (uint8_t) app.ports[i];
 210                 memset(&link, 0, sizeof(link));
 211                 rte_eth_link_get_nowait(port, &link);
 212                 RTE_LOG(INFO, USER1, "Port %u (%u Gbps) %s\n",
 213                         port,
 214                         link.link_speed / 1000,
 215                         link.link_status ? "UP" : "DOWN");
 216
 217                 if (link.link_status == 0)
 218                         all_ports_up = 0;
 219         }
 220
 221         if (all_ports_up == 0)
 222                 rte_panic("Some NIC ports are DOWN\n");
 223 }
 224
 225 static void
 226 app_init_ports(void)
 227 {
 228         uint32_t i;
 229
 230         /* Init NIC ports, then start the ports */
 231         for (i = 0; i < app.n_ports; i++) {
 232                 uint8_t port;
 233                 int ret;
 234
 235                 port = (uint8_t) app.ports[i];
 236                 RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port);
 237
 238                 /* Init port */
 239                 ret = rte_eth_dev_configure(
 240                         port,
 241                         1,
 242                         1,
 243                         &port_conf);
 244                 if (ret < 0)
 245                         rte_panic("Cannot init NIC port %u (%d)\n", port, ret);
 246
 247                 rte_eth_promiscuous_enable(port);
 248
 249                 /* Init RX queues */
 250                 ret = rte_eth_rx_queue_setup(
 251                         port,
 252                         0,
 253                         app.port_rx_ring_size,
 254                         rte_eth_dev_socket_id(port),
 255                         &rx_conf,
 256                         app.pool);
 257                 if (ret < 0)
 258                         rte_panic("Cannot init RX for port %u (%d)\n",
 259                                 (uint32_t) port, ret);
 260
 261                 /* Init TX queues */
 262                 ret = rte_eth_tx_queue_setup(
 263                         port,
 264                         0,
 265                         app.port_tx_ring_size,
 266                         rte_eth_dev_socket_id(port),
 267                         &tx_conf);
 268                 if (ret < 0)
 269                         rte_panic("Cannot init TX for port %u (%d)\n",
 270                                 (uint32_t) port, ret);
 271
 272                 /* Start port */
 273                 ret = rte_eth_dev_start(port);
 274                 if (ret < 0)
 275                         rte_panic("Cannot start port %u (%d)\n", port, ret);
 276         }
 277
 278         app_ports_check_link();
 279 }
 280
 281 void
 282 app_init(void)
 283 {
 284         app_init_mbuf_pools();
 285         app_init_rings();
 286         app_init_ports();
 287
 288         RTE_LOG(INFO, USER1, "Initialization completed\n");
 289 }