ceph/src/seastar/dpdk/test/test/test_pmd_ring.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 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 #include "test.h"
  34
  35 #include <stdio.h>
  36
  37 #include <rte_eth_ring.h>
  38 #include <rte_ethdev.h>
  39
  40 static struct rte_mempool *mp;
  41 static int tx_porta, rx_portb, rxtx_portc, rxtx_portd, rxtx_porte;
  42
  43 #define SOCKET0 0
  44 #define RING_SIZE 256
  45 #define NUM_RINGS 2
  46 #define NB_MBUF 512
  47
  48
  49 static int
  50 test_ethdev_configure_port(int port)
  51 {
  52         struct rte_eth_conf null_conf;
  53         struct rte_eth_link link;
  54
  55         memset(&null_conf, 0, sizeof(struct rte_eth_conf));
  56
  57         if (rte_eth_dev_configure(port, 1, 2, &null_conf) < 0) {
  58                 printf("Configure failed for port %d\n", port);
  59                 return -1;
  60         }
  61
  62         /* Test queue release */
  63         if (rte_eth_dev_configure(port, 1, 1, &null_conf) < 0) {
  64                 printf("Configure failed for port %d\n", port);
  65                 return -1;
  66         }
  67
  68         if (rte_eth_tx_queue_setup(port, 0, RING_SIZE, SOCKET0, NULL) < 0) {
  69                 printf("TX queue setup failed port %d\n", port);
  70                 return -1;
  71         }
  72
  73         if (rte_eth_rx_queue_setup(port, 0, RING_SIZE, SOCKET0,
  74                         NULL, mp) < 0) {
  75                 printf("RX queue setup failed port %d\n", port);
  76                 return -1;
  77         }
  78
  79         if (rte_eth_dev_start(port) < 0) {
  80                 printf("Error starting port %d\n", port);
  81                 return -1;
  82         }
  83
  84         rte_eth_link_get(port, &link);
  85
  86         return 0;
  87 }
  88
  89 static int
  90 test_send_basic_packets(void)
  91 {
  92         struct rte_mbuf  bufs[RING_SIZE];
  93         struct rte_mbuf *pbufs[RING_SIZE];
  94         int i;
  95
  96         printf("Testing send and receive RING_SIZE/2 packets (tx_porta -> rx_portb)\n");
  97
  98         for (i = 0; i < RING_SIZE/2; i++)
  99                 pbufs[i] = &bufs[i];
 100
 101         if (rte_eth_tx_burst(tx_porta, 0, pbufs, RING_SIZE/2) < RING_SIZE/2) {
 102                 printf("Failed to transmit packet burst port %d\n", tx_porta);
 103                 return -1;
 104         }
 105
 106         if (rte_eth_rx_burst(rx_portb, 0, pbufs, RING_SIZE) != RING_SIZE/2) {
 107                 printf("Failed to receive packet burst on port %d\n", rx_portb);
 108                 return -1;
 109         }
 110
 111         for (i = 0; i < RING_SIZE/2; i++)
 112                 if (pbufs[i] != &bufs[i]) {
 113                         printf("Error: received data does not match that transmitted\n");
 114                         return -1;
 115                 }
 116
 117         return 0;
 118 }
 119
 120 static int
 121 test_send_basic_packets_port(int port)
 122 {
 123         struct rte_mbuf  bufs[RING_SIZE];
 124         struct rte_mbuf *pbufs[RING_SIZE];
 125         int i;
 126
 127         printf("Testing send and receive RING_SIZE/2 packets (cmdl_port0 -> cmdl_port0)\n");
 128
 129         for (i = 0; i < RING_SIZE/2; i++)
 130                 pbufs[i] = &bufs[i];
 131
 132         if (rte_eth_tx_burst(port, 0, pbufs, RING_SIZE/2) < RING_SIZE/2) {
 133                 printf("Failed to transmit packet burst port %d\n", port);
 134                 return -1;
 135         }
 136
 137         if (rte_eth_rx_burst(port, 0, pbufs, RING_SIZE) != RING_SIZE/2) {
 138                 printf("Failed to receive packet burst on port %d\n", port);
 139                 return -1;
 140         }
 141
 142         for (i = 0; i < RING_SIZE/2; i++)
 143                 if (pbufs[i] != &bufs[i]) {
 144                         printf("Error: received data does not match that transmitted\n");
 145                         return -1;
 146                 }
 147
 148         return 0;
 149 }
 150
 151
 152 static int
 153 test_get_stats(int port)
 154 {
 155         struct rte_eth_stats stats;
 156         struct rte_mbuf buf, *pbuf = &buf;
 157
 158         printf("Testing ring PMD stats_get port %d\n", port);
 159
 160         /* check stats of RXTX port, should all be zero */
 161
 162         rte_eth_stats_get(port, &stats);
 163         if (stats.ipackets != 0 || stats.opackets != 0 ||
 164                         stats.ibytes != 0 || stats.obytes != 0 ||
 165                         stats.ierrors != 0 || stats.oerrors != 0) {
 166                 printf("Error: port %d stats are not zero\n", port);
 167                 return -1;
 168         }
 169
 170         /* send and receive 1 packet and check for stats update */
 171         if (rte_eth_tx_burst(port, 0, &pbuf, 1) != 1) {
 172                 printf("Error sending packet to port %d\n", port);
 173                 return -1;
 174         }
 175
 176         if (rte_eth_rx_burst(port, 0, &pbuf, 1) != 1) {
 177                 printf("Error receiving packet from port %d\n", port);
 178                 return -1;
 179         }
 180
 181         rte_eth_stats_get(port, &stats);
 182         if (stats.ipackets != 1 || stats.opackets != 1 ||
 183                         stats.ibytes != 0 || stats.obytes != 0 ||
 184                         stats.ierrors != 0 || stats.oerrors != 0) {
 185                 printf("Error: port %d stats are not as expected\n", port);
 186                 return -1;
 187         }
 188         return 0;
 189 }
 190
 191 static int
 192 test_stats_reset(int port)
 193 {
 194         struct rte_eth_stats stats;
 195         struct rte_mbuf buf, *pbuf = &buf;
 196
 197         printf("Testing ring PMD stats_reset port %d\n", port);
 198
 199         rte_eth_stats_reset(port);
 200
 201         /* check stats of RXTX port, should all be zero */
 202         rte_eth_stats_get(port, &stats);
 203         if (stats.ipackets != 0 || stats.opackets != 0 ||
 204                         stats.ibytes != 0 || stats.obytes != 0 ||
 205                         stats.ierrors != 0 || stats.oerrors != 0) {
 206                 printf("Error: port %d stats are not zero\n", port);
 207                 return -1;
 208         }
 209
 210         /* send and receive 1 packet and check for stats update */
 211         if (rte_eth_tx_burst(port, 0, &pbuf, 1) != 1) {
 212                 printf("Error sending packet to port %d\n", port);
 213                 return -1;
 214         }
 215
 216         if (rte_eth_rx_burst(port, 0, &pbuf, 1) != 1) {
 217                 printf("Error receiving packet from port %d\n", port);
 218                 return -1;
 219         }
 220
 221         rte_eth_stats_get(port, &stats);
 222         if (stats.ipackets != 1 || stats.opackets != 1 ||
 223                         stats.ibytes != 0 || stats.obytes != 0 ||
 224                         stats.ierrors != 0 || stats.oerrors != 0) {
 225                 printf("Error: port %d stats are not as expected\n", port);
 226                 return -1;
 227         }
 228
 229         rte_eth_stats_reset(port);
 230
 231         /* check stats of RXTX port, should all be zero */
 232         rte_eth_stats_get(port, &stats);
 233         if (stats.ipackets != 0 || stats.opackets != 0 ||
 234                         stats.ibytes != 0 || stats.obytes != 0 ||
 235                         stats.ierrors != 0 || stats.oerrors != 0) {
 236                 printf("Error: port %d stats are not zero\n", port);
 237                 return -1;
 238         }
 239
 240         return 0;
 241 }
 242
 243 static int
 244 test_pmd_ring_pair_create_attach(int portd, int porte)
 245 {
 246         struct rte_eth_stats stats, stats2;
 247         struct rte_mbuf buf, *pbuf = &buf;
 248         struct rte_eth_conf null_conf;
 249
 250         if ((rte_eth_dev_configure(portd, 1, 1, &null_conf) < 0)
 251                 || (rte_eth_dev_configure(porte, 1, 1, &null_conf) < 0)) {
 252                 printf("Configure failed for port\n");
 253                 return -1;
 254         }
 255
 256         if ((rte_eth_tx_queue_setup(portd, 0, RING_SIZE, SOCKET0, NULL) < 0)
 257                 || (rte_eth_tx_queue_setup(porte, 0, RING_SIZE, SOCKET0, NULL) < 0)) {
 258                 printf("TX queue setup failed\n");
 259                 return -1;
 260         }
 261
 262         if ((rte_eth_rx_queue_setup(portd, 0, RING_SIZE, SOCKET0, NULL, mp) < 0)
 263                 || (rte_eth_rx_queue_setup(porte, 0, RING_SIZE, SOCKET0, NULL, mp) < 0)) {
 264                 printf("RX queue setup failed\n");
 265                 return -1;
 266         }
 267
 268         if ((rte_eth_dev_start(portd) < 0)
 269                 || (rte_eth_dev_start(porte) < 0)) {
 270                 printf("Error starting port\n");
 271                 return -1;
 272         }
 273
 274         rte_eth_stats_reset(portd);
 275         /* check stats of port, should all be zero */
 276         rte_eth_stats_get(portd, &stats);
 277         if (stats.ipackets != 0 || stats.opackets != 0 ||
 278                         stats.ibytes != 0 || stats.obytes != 0 ||
 279                         stats.ierrors != 0 || stats.oerrors != 0) {
 280                 printf("Error: port %d stats are not zero\n", portd);
 281                 return -1;
 282         }
 283
 284         rte_eth_stats_reset(porte);
 285         /* check stats of port, should all be zero */
 286         rte_eth_stats_get(porte, &stats2);
 287         if (stats2.ipackets != 0 || stats2.opackets != 0 ||
 288                         stats2.ibytes != 0 || stats2.obytes != 0 ||
 289                         stats2.ierrors != 0 || stats2.oerrors != 0) {
 290                 printf("Error: port %d stats are not zero\n", porte);
 291                 return -1;
 292         }
 293
 294         /*
 295          * send and receive 1 packet (portd -> porte)
 296          * and check for stats update
 297          */
 298         printf("Testing send and receive 1 packet (portd -> porte)\n");
 299         if (rte_eth_tx_burst(portd, 0, &pbuf, 1) != 1) {
 300                 printf("Error sending packet to port %d\n", portd);
 301                 return -1;
 302         }
 303
 304         if (rte_eth_rx_burst(porte, 0, &pbuf, 1) != 1) {
 305                 printf("Error receiving packet from port %d\n", porte);
 306                 return -1;
 307         }
 308
 309         rte_eth_stats_get(portd, &stats);
 310         rte_eth_stats_get(porte, &stats2);
 311         if (stats.ipackets != 0 || stats.opackets != 1 ||
 312                         stats.ibytes != 0 || stats.obytes != 0 ||
 313                         stats.ierrors != 0 || stats.oerrors != 0) {
 314                 printf("Error: port %d stats are not as expected\n", portd);
 315                 return -1;
 316         }
 317
 318         if (stats2.ipackets != 1 || stats2.opackets != 0 ||
 319                         stats2.ibytes != 0 || stats2.obytes != 0 ||
 320                         stats2.ierrors != 0 || stats2.oerrors != 0) {
 321                 printf("Error: port %d stats are not as expected\n", porte);
 322                 return -1;
 323         }
 324
 325         /*
 326          * send and receive 1 packet (porte -> portd)
 327          * and check for stats update
 328          */
 329         printf("Testing send and receive 1 packet (porte -> portd)\n");
 330         if (rte_eth_tx_burst(porte, 0, &pbuf, 1) != 1) {
 331                 printf("Error sending packet to port %d\n", porte);
 332                 return -1;
 333         }
 334
 335         if (rte_eth_rx_burst(portd, 0, &pbuf, 1) != 1) {
 336                 printf("Error receiving packet from port %d\n", portd);
 337                 return -1;
 338         }
 339
 340         rte_eth_stats_get(portd, &stats);
 341         rte_eth_stats_get(porte, &stats2);
 342         if (stats.ipackets != 1 || stats.opackets != 1 ||
 343                         stats.ibytes != 0 || stats.obytes != 0 ||
 344                         stats.ierrors != 0 || stats.oerrors != 0) {
 345                 printf("Error: port %d stats are not as expected\n", portd);
 346                 return -1;
 347         }
 348
 349         if (stats2.ipackets != 1 || stats2.opackets != 1 ||
 350                         stats2.ibytes != 0 || stats2.obytes != 0 ||
 351                         stats2.ierrors != 0 || stats2.oerrors != 0) {
 352                 printf("Error: port %d stats are not as expected\n", porte);
 353                 return -1;
 354         }
 355
 356         /*
 357          * send and receive 1 packet (portd -> portd)
 358          * and check for stats update
 359          */
 360         printf("Testing send and receive 1 packet (portd -> portd)\n");
 361         if (rte_eth_tx_burst(portd, 0, &pbuf, 1) != 1) {
 362                 printf("Error sending packet to port %d\n", portd);
 363                 return -1;
 364         }
 365
 366         if (rte_eth_rx_burst(portd, 0, &pbuf, 1) != 1) {
 367                 printf("Error receiving packet from port %d\n", porte);
 368                 return -1;
 369         }
 370
 371         rte_eth_stats_get(portd, &stats);
 372         rte_eth_stats_get(porte, &stats2);
 373         if (stats.ipackets != 2 || stats.opackets != 2 ||
 374                         stats.ibytes != 0 || stats.obytes != 0 ||
 375                         stats.ierrors != 0 || stats.oerrors != 0) {
 376                 printf("Error: port %d stats are not as expected\n", portd);
 377                 return -1;
 378         }
 379
 380         if (stats2.ipackets != 1 || stats2.opackets != 1 ||
 381                         stats2.ibytes != 0 || stats2.obytes != 0 ||
 382                         stats2.ierrors != 0 || stats2.oerrors != 0) {
 383                 printf("Error: port %d stats are not as expected\n", porte);
 384                 return -1;
 385         }
 386
 387         /*
 388          * send and receive 1 packet (porte -> porte)
 389          * and check for stats update
 390          */
 391         printf("Testing send and receive 1 packet (porte -> porte)\n");
 392         if (rte_eth_tx_burst(porte, 0, &pbuf, 1) != 1) {
 393                 printf("Error sending packet to port %d\n", porte);
 394                 return -1;
 395         }
 396
 397         if (rte_eth_rx_burst(porte, 0, &pbuf, 1) != 1) {
 398                 printf("Error receiving packet from port %d\n", porte);
 399                 return -1;
 400         }
 401
 402         rte_eth_stats_get(portd, &stats);
 403         rte_eth_stats_get(porte, &stats2);
 404         if (stats.ipackets != 2 || stats.opackets != 2 ||
 405                         stats.ibytes != 0 || stats.obytes != 0 ||
 406                         stats.ierrors != 0 || stats.oerrors != 0) {
 407                 printf("Error: port %d stats are not as expected\n", portd);
 408                 return -1;
 409         }
 410
 411         if (stats2.ipackets != 2 || stats2.opackets != 2 ||
 412                         stats2.ibytes != 0 || stats2.obytes != 0 ||
 413                         stats2.ierrors != 0 || stats2.oerrors != 0) {
 414                 printf("Error: port %d stats are not as expected\n", porte);
 415                 return -1;
 416         }
 417
 418         rte_eth_dev_stop(portd);
 419         rte_eth_dev_stop(porte);
 420
 421         return 0;
 422 }
 423
 424 static int
 425 test_pmd_ring(void)
 426 {
 427         struct rte_ring *rxtx[NUM_RINGS];
 428         int port, cmdl_port0 = -1;
 429         uint8_t nb_ports;
 430
 431         nb_ports = rte_eth_dev_count();
 432         printf("nb_ports=%d\n", (int)nb_ports);
 433
 434         /*  create the rings and eth_rings in the test code.
 435          *  This does not test the rte_pmd_ring_devinit function.
 436          *
 437          *  Test with the command line option --vdev=net_ring0 to test rte_pmd_ring_devinit.
 438          */
 439         rxtx[0] = rte_ring_create("R0", RING_SIZE, SOCKET0, RING_F_SP_ENQ|RING_F_SC_DEQ);
 440         if (rxtx[0] == NULL) {
 441                 printf("rte_ring_create R0 failed");
 442                 return -1;
 443         }
 444
 445         rxtx[1] = rte_ring_create("R1", RING_SIZE, SOCKET0, RING_F_SP_ENQ|RING_F_SC_DEQ);
 446         if (rxtx[1] == NULL) {
 447                 printf("rte_ring_create R1 failed");
 448                 return -1;
 449         }
 450
 451         tx_porta = rte_eth_from_rings("net_ringa", rxtx, NUM_RINGS, rxtx, NUM_RINGS, SOCKET0);
 452         rx_portb = rte_eth_from_rings("net_ringb", rxtx, NUM_RINGS, rxtx, NUM_RINGS, SOCKET0);
 453         rxtx_portc = rte_eth_from_rings("net_ringc", rxtx, NUM_RINGS, rxtx, NUM_RINGS, SOCKET0);
 454         rxtx_portd = rte_eth_from_rings("net_ringd", rxtx, NUM_RINGS, rxtx, NUM_RINGS, SOCKET0);
 455         rxtx_porte = rte_eth_from_rings("net_ringe", rxtx, NUM_RINGS, rxtx, NUM_RINGS, SOCKET0);
 456
 457         printf("tx_porta=%d rx_portb=%d rxtx_portc=%d rxtx_portd=%d rxtx_porte=%d\n",
 458                         tx_porta, rx_portb, rxtx_portc, rxtx_portd, rxtx_porte);
 459
 460         if ((tx_porta == -1) || (rx_portb == -1) || (rxtx_portc == -1)
 461                 || (rxtx_portd == -1) || (rxtx_porte == -1)) {
 462                 printf("rte_eth_from rings failed\n");
 463                 return -1;
 464         }
 465
 466         mp = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
 467                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 468         if (mp == NULL)
 469                 return -1;
 470
 471         if ((tx_porta >= RTE_MAX_ETHPORTS) || (rx_portb >= RTE_MAX_ETHPORTS)
 472                 || (rxtx_portc >= RTE_MAX_ETHPORTS)
 473                 || (rxtx_portd >= RTE_MAX_ETHPORTS)
 474                 || (rxtx_porte >= RTE_MAX_ETHPORTS)) {
 475                 printf(" port exceed max eth ports\n");
 476                 return -1;
 477         }
 478
 479         if (test_ethdev_configure_port(tx_porta) < 0)
 480                 return -1;
 481
 482         if (test_ethdev_configure_port(rx_portb) < 0)
 483                 return -1;
 484
 485         if (test_ethdev_configure_port(rxtx_portc) < 0)
 486                 return -1;
 487
 488         if (test_send_basic_packets() < 0)
 489                 return -1;
 490
 491         if (test_get_stats(rxtx_portc) < 0)
 492                 return -1;
 493
 494         if (test_stats_reset(rxtx_portc) < 0)
 495                 return -1;
 496
 497         rte_eth_dev_stop(tx_porta);
 498         rte_eth_dev_stop(rx_portb);
 499         rte_eth_dev_stop(rxtx_portc);
 500
 501         if (test_pmd_ring_pair_create_attach(rxtx_portd, rxtx_porte) < 0)
 502                 return -1;
 503
 504         /* find a port created with the --vdev=net_ring0 command line option */
 505         for (port = 0; port < nb_ports; port++) {
 506                 struct rte_eth_dev_info dev_info;
 507
 508                 rte_eth_dev_info_get(port, &dev_info);
 509                 if (!strcmp(dev_info.driver_name, "Rings PMD")) {
 510                         printf("found a command line ring port=%d\n", port);
 511                         cmdl_port0 = port;
 512                         break;
 513                 }
 514         }
 515         if (cmdl_port0 != -1) {
 516                 if (test_ethdev_configure_port(cmdl_port0) < 0)
 517                         return -1;
 518                 if (test_send_basic_packets_port(cmdl_port0) < 0)
 519                         return -1;
 520                 if (test_stats_reset(cmdl_port0) < 0)
 521                         return -1;
 522                 if (test_get_stats(cmdl_port0) < 0)
 523                         return -1;
 524                 rte_eth_dev_stop(cmdl_port0);
 525         }
 526         return 0;
 527 }
 528
 529 REGISTER_TEST_COMMAND(ring_pmd_autotest, test_pmd_ring);