1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) 2015-2017 Atomic Rules LLC 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 copyright holder 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 <unistd.h> 35 #include <sys/stat.h> 36 #include <dlfcn.h> 37 38 #include <rte_ethdev_pci.h> 39 #include <rte_kvargs.h> 40 41 #include "ark_global.h" 42 #include "ark_logs.h" 43 #include "ark_ethdev.h" 44 #include "ark_ethdev_tx.h" 45 #include "ark_ethdev_rx.h" 46 #include "ark_mpu.h" 47 #include "ark_ddm.h" 48 #include "ark_udm.h" 49 #include "ark_rqp.h" 50 #include "ark_pktdir.h" 51 #include "ark_pktgen.h" 52 #include "ark_pktchkr.h" 53 54 /* Internal prototypes */ 55 static int eth_ark_check_args(struct ark_adapter *ark, const char *params); 56 static int eth_ark_dev_init(struct rte_eth_dev *dev); 57 static int ark_config_device(struct rte_eth_dev *dev); 58 static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev); 59 static int eth_ark_dev_configure(struct rte_eth_dev *dev); 60 static int eth_ark_dev_start(struct rte_eth_dev *dev); 61 static void eth_ark_dev_stop(struct rte_eth_dev *dev); 62 static void eth_ark_dev_close(struct rte_eth_dev *dev); 63 static void eth_ark_dev_info_get(struct rte_eth_dev *dev, 64 struct rte_eth_dev_info *dev_info); 65 static int eth_ark_dev_link_update(struct rte_eth_dev *dev, 66 int wait_to_complete); 67 static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev); 68 static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev); 69 static void eth_ark_dev_stats_get(struct rte_eth_dev *dev, 70 struct rte_eth_stats *stats); 71 static void eth_ark_dev_stats_reset(struct rte_eth_dev *dev); 72 static void eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 73 struct ether_addr *mac_addr); 74 static void eth_ark_macaddr_add(struct rte_eth_dev *dev, 75 struct ether_addr *mac_addr, 76 uint32_t index, 77 uint32_t pool); 78 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev, 79 uint32_t index); 80 81 /* 82 * The packet generator is a functional block used to generate packet 83 * patterns for testing. It is not intended for nominal use. 84 */ 85 #define ARK_PKTGEN_ARG "Pkt_gen" 86 87 /* 88 * The packet checker is a functional block used to verify packet 89 * patterns for testing. It is not intended for nominal use. 90 */ 91 #define ARK_PKTCHKR_ARG "Pkt_chkr" 92 93 /* 94 * The packet director is used to select the internal ingress and 95 * egress packets paths during testing. It is not intended for 96 * nominal use. 97 */ 98 #define ARK_PKTDIR_ARG "Pkt_dir" 99 100 /* Devinfo configurations */ 101 #define ARK_RX_MAX_QUEUE (4096 * 4) 102 #define ARK_RX_MIN_QUEUE (512) 103 #define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128) 104 #define ARK_RX_MIN_BUFSIZE (1024) 105 106 #define ARK_TX_MAX_QUEUE (4096 * 4) 107 #define ARK_TX_MIN_QUEUE (256) 108 109 static const char * const valid_arguments[] = { 110 ARK_PKTGEN_ARG, 111 ARK_PKTCHKR_ARG, 112 ARK_PKTDIR_ARG, 113 NULL 114 }; 115 116 static const struct rte_pci_id pci_id_ark_map[] = { 117 {RTE_PCI_DEVICE(0x1d6c, 0x100d)}, 118 {RTE_PCI_DEVICE(0x1d6c, 0x100e)}, 119 {.vendor_id = 0, /* sentinel */ }, 120 }; 121 122 static int 123 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 124 struct rte_pci_device *pci_dev) 125 { 126 struct rte_eth_dev *eth_dev; 127 int ret; 128 129 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 130 131 if (eth_dev == NULL) 132 return -ENOMEM; 133 134 ret = eth_ark_dev_init(eth_dev); 135 if (ret) 136 rte_eth_dev_pci_release(eth_dev); 137 138 return ret; 139 } 140 141 static int 142 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 143 { 144 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 145 } 146 147 static struct rte_pci_driver rte_ark_pmd = { 148 .id_table = pci_id_ark_map, 149 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 150 .probe = eth_ark_pci_probe, 151 .remove = eth_ark_pci_remove, 152 }; 153 154 static const struct eth_dev_ops ark_eth_dev_ops = { 155 .dev_configure = eth_ark_dev_configure, 156 .dev_start = eth_ark_dev_start, 157 .dev_stop = eth_ark_dev_stop, 158 .dev_close = eth_ark_dev_close, 159 160 .dev_infos_get = eth_ark_dev_info_get, 161 162 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 163 .rx_queue_count = eth_ark_dev_rx_queue_count, 164 .tx_queue_setup = eth_ark_tx_queue_setup, 165 166 .link_update = eth_ark_dev_link_update, 167 .dev_set_link_up = eth_ark_dev_set_link_up, 168 .dev_set_link_down = eth_ark_dev_set_link_down, 169 170 .rx_queue_start = eth_ark_rx_start_queue, 171 .rx_queue_stop = eth_ark_rx_stop_queue, 172 173 .tx_queue_start = eth_ark_tx_queue_start, 174 .tx_queue_stop = eth_ark_tx_queue_stop, 175 176 .stats_get = eth_ark_dev_stats_get, 177 .stats_reset = eth_ark_dev_stats_reset, 178 179 .mac_addr_add = eth_ark_macaddr_add, 180 .mac_addr_remove = eth_ark_macaddr_remove, 181 .mac_addr_set = eth_ark_set_default_mac_addr, 182 }; 183 184 static int 185 check_for_ext(struct ark_adapter *ark) 186 { 187 int found = 0; 188 189 /* Get the env */ 190 const char *dllpath = getenv("ARK_EXT_PATH"); 191 192 if (dllpath == NULL) { 193 PMD_DEBUG_LOG(DEBUG, "ARK EXT NO dll path specified\n"); 194 return 0; 195 } 196 PMD_DRV_LOG(INFO, "ARK EXT found dll path at %s\n", dllpath); 197 198 /* Open and load the .so */ 199 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 200 if (ark->d_handle == NULL) { 201 PMD_DRV_LOG(ERR, "Could not load user extension %s\n", 202 dllpath); 203 return -1; 204 } 205 PMD_DRV_LOG(INFO, "SUCCESS: loaded user extension %s\n", 206 dllpath); 207 208 /* Get the entry points */ 209 ark->user_ext.dev_init = 210 (void *(*)(struct rte_eth_dev *, void *, int)) 211 dlsym(ark->d_handle, "dev_init"); 212 PMD_DEBUG_LOG(DEBUG, "device ext init pointer = %p\n", 213 ark->user_ext.dev_init); 214 ark->user_ext.dev_get_port_count = 215 (int (*)(struct rte_eth_dev *, void *)) 216 dlsym(ark->d_handle, "dev_get_port_count"); 217 ark->user_ext.dev_uninit = 218 (void (*)(struct rte_eth_dev *, void *)) 219 dlsym(ark->d_handle, "dev_uninit"); 220 ark->user_ext.dev_configure = 221 (int (*)(struct rte_eth_dev *, void *)) 222 dlsym(ark->d_handle, "dev_configure"); 223 ark->user_ext.dev_start = 224 (int (*)(struct rte_eth_dev *, void *)) 225 dlsym(ark->d_handle, "dev_start"); 226 ark->user_ext.dev_stop = 227 (void (*)(struct rte_eth_dev *, void *)) 228 dlsym(ark->d_handle, "dev_stop"); 229 ark->user_ext.dev_close = 230 (void (*)(struct rte_eth_dev *, void *)) 231 dlsym(ark->d_handle, "dev_close"); 232 ark->user_ext.link_update = 233 (int (*)(struct rte_eth_dev *, int, void *)) 234 dlsym(ark->d_handle, "link_update"); 235 ark->user_ext.dev_set_link_up = 236 (int (*)(struct rte_eth_dev *, void *)) 237 dlsym(ark->d_handle, "dev_set_link_up"); 238 ark->user_ext.dev_set_link_down = 239 (int (*)(struct rte_eth_dev *, void *)) 240 dlsym(ark->d_handle, "dev_set_link_down"); 241 ark->user_ext.stats_get = 242 (void (*)(struct rte_eth_dev *, struct rte_eth_stats *, 243 void *)) 244 dlsym(ark->d_handle, "stats_get"); 245 ark->user_ext.stats_reset = 246 (void (*)(struct rte_eth_dev *, void *)) 247 dlsym(ark->d_handle, "stats_reset"); 248 ark->user_ext.mac_addr_add = 249 (void (*)(struct rte_eth_dev *, struct ether_addr *, uint32_t, 250 uint32_t, void *)) 251 dlsym(ark->d_handle, "mac_addr_add"); 252 ark->user_ext.mac_addr_remove = 253 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 254 dlsym(ark->d_handle, "mac_addr_remove"); 255 ark->user_ext.mac_addr_set = 256 (void (*)(struct rte_eth_dev *, struct ether_addr *, 257 void *)) 258 dlsym(ark->d_handle, "mac_addr_set"); 259 260 return found; 261 } 262 263 static int 264 eth_ark_dev_init(struct rte_eth_dev *dev) 265 { 266 struct ark_adapter *ark = 267 (struct ark_adapter *)dev->data->dev_private; 268 struct rte_pci_device *pci_dev; 269 int ret; 270 int port_count = 1; 271 int p; 272 273 ark->eth_dev = dev; 274 275 PMD_FUNC_LOG(DEBUG, "\n"); 276 277 /* Check to see if there is an extension that we need to load */ 278 ret = check_for_ext(ark); 279 if (ret) 280 return ret; 281 pci_dev = ARK_DEV_TO_PCI(dev); 282 rte_eth_copy_pci_info(dev, pci_dev); 283 284 /* Use dummy function until setup */ 285 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 286 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 287 288 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 289 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 290 291 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 292 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 293 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 294 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 295 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 296 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 297 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 298 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 299 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 300 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 301 302 ark->rqpacing = 303 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 304 ark->started = 0; 305 306 PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 307 ark->sysctrl.t32[4], 308 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 309 PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n", 310 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 311 312 /* If HW sanity test fails, return an error */ 313 if (ark->sysctrl.t32[4] != 0xcafef00d) { 314 PMD_DRV_LOG(ERR, 315 "HW Sanity test has failed, expected constant" 316 " 0x%x, read 0x%x (%s)\n", 317 0xcafef00d, 318 ark->sysctrl.t32[4], __func__); 319 return -1; 320 } 321 if (ark->sysctrl.t32[3] != 0) { 322 if (ark_rqp_lasped(ark->rqpacing)) { 323 PMD_DRV_LOG(ERR, "Arkville Evaluation System - " 324 "Timer has Expired\n"); 325 return -1; 326 } 327 PMD_DRV_LOG(WARNING, "Arkville Evaluation System - " 328 "Timer is Running\n"); 329 } 330 331 PMD_DRV_LOG(INFO, 332 "HW Sanity test has PASSED, expected constant" 333 " 0x%x, read 0x%x (%s)\n", 334 0xcafef00d, ark->sysctrl.t32[4], __func__); 335 336 /* We are a single function multi-port device. */ 337 ret = ark_config_device(dev); 338 dev->dev_ops = &ark_eth_dev_ops; 339 dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE; 340 341 dev->data->mac_addrs = rte_zmalloc("ark", ETHER_ADDR_LEN, 0); 342 if (!dev->data->mac_addrs) { 343 PMD_DRV_LOG(ERR, 344 "Failed to allocated memory for storing mac address" 345 ); 346 } 347 348 if (ark->user_ext.dev_init) { 349 ark->user_data = ark->user_ext.dev_init(dev, ark->a_bar, 0); 350 if (!ark->user_data) { 351 PMD_DRV_LOG(INFO, 352 "Failed to initialize PMD extension!" 353 " continuing without it\n"); 354 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 355 dlclose(ark->d_handle); 356 } 357 } 358 359 if (pci_dev->device.devargs) 360 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 361 else 362 PMD_DRV_LOG(INFO, "No Device args found\n"); 363 364 if (ret) 365 goto error; 366 /* 367 * We will create additional devices based on the number of requested 368 * ports 369 */ 370 if (ark->user_ext.dev_get_port_count) 371 port_count = 372 ark->user_ext.dev_get_port_count(dev, ark->user_data); 373 ark->num_ports = port_count; 374 375 for (p = 0; p < port_count; p++) { 376 struct rte_eth_dev *eth_dev; 377 char name[RTE_ETH_NAME_MAX_LEN]; 378 379 snprintf(name, sizeof(name), "arketh%d", 380 dev->data->port_id + p); 381 382 if (p == 0) { 383 /* First port is already allocated by DPDK */ 384 eth_dev = ark->eth_dev; 385 continue; 386 } 387 388 /* reserve an ethdev entry */ 389 eth_dev = rte_eth_dev_allocate(name); 390 if (!eth_dev) { 391 PMD_DRV_LOG(ERR, 392 "Could not allocate eth_dev for port %d\n", 393 p); 394 goto error; 395 } 396 397 eth_dev->device = &pci_dev->device; 398 eth_dev->data->dev_private = ark; 399 eth_dev->dev_ops = ark->eth_dev->dev_ops; 400 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 401 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 402 403 rte_eth_copy_pci_info(eth_dev, pci_dev); 404 405 eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0); 406 if (!eth_dev->data->mac_addrs) { 407 PMD_DRV_LOG(ERR, 408 "Memory allocation for MAC failed!" 409 " Exiting.\n"); 410 goto error; 411 } 412 413 if (ark->user_ext.dev_init) 414 ark->user_data = 415 ark->user_ext.dev_init(dev, ark->a_bar, p); 416 } 417 418 return ret; 419 420 error: 421 if (dev->data->mac_addrs) 422 rte_free(dev->data->mac_addrs); 423 return -1; 424 } 425 426 /* 427 *Initial device configuration when device is opened 428 * setup the DDM, and UDM 429 * Called once per PCIE device 430 */ 431 static int 432 ark_config_device(struct rte_eth_dev *dev) 433 { 434 struct ark_adapter *ark = 435 (struct ark_adapter *)dev->data->dev_private; 436 uint16_t num_q, i; 437 struct ark_mpu_t *mpu; 438 439 /* 440 * Make sure that the packet director, generator and checker are in a 441 * known state 442 */ 443 ark->start_pg = 0; 444 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 445 ark_pktgen_reset(ark->pg); 446 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 447 ark_pktchkr_stop(ark->pc); 448 ark->pd = ark_pktdir_init(ark->pktdir.v); 449 450 /* Verify HW */ 451 if (ark_udm_verify(ark->udm.v)) 452 return -1; 453 if (ark_ddm_verify(ark->ddm.v)) 454 return -1; 455 456 /* UDM */ 457 if (ark_udm_reset(ark->udm.v)) { 458 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 459 return -1; 460 } 461 /* Keep in reset until the MPU are cleared */ 462 463 /* MPU reset */ 464 mpu = ark->mpurx.v; 465 num_q = ark_api_num_queues(mpu); 466 ark->rx_queues = num_q; 467 for (i = 0; i < num_q; i++) { 468 ark_mpu_reset(mpu); 469 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 470 } 471 472 ark_udm_stop(ark->udm.v, 0); 473 ark_udm_configure(ark->udm.v, 474 RTE_PKTMBUF_HEADROOM, 475 RTE_MBUF_DEFAULT_DATAROOM, 476 ARK_RX_WRITE_TIME_NS); 477 ark_udm_stats_reset(ark->udm.v); 478 ark_udm_stop(ark->udm.v, 0); 479 480 /* TX -- DDM */ 481 if (ark_ddm_stop(ark->ddm.v, 1)) 482 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 483 484 mpu = ark->mputx.v; 485 num_q = ark_api_num_queues(mpu); 486 ark->tx_queues = num_q; 487 for (i = 0; i < num_q; i++) { 488 ark_mpu_reset(mpu); 489 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 490 } 491 492 ark_ddm_reset(ark->ddm.v); 493 ark_ddm_stats_reset(ark->ddm.v); 494 495 ark_ddm_stop(ark->ddm.v, 0); 496 ark_rqp_stats_reset(ark->rqpacing); 497 498 return 0; 499 } 500 501 static int 502 eth_ark_dev_uninit(struct rte_eth_dev *dev) 503 { 504 struct ark_adapter *ark = 505 (struct ark_adapter *)dev->data->dev_private; 506 507 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 508 return 0; 509 510 if (ark->user_ext.dev_uninit) 511 ark->user_ext.dev_uninit(dev, ark->user_data); 512 513 ark_pktgen_uninit(ark->pg); 514 ark_pktchkr_uninit(ark->pc); 515 516 dev->dev_ops = NULL; 517 dev->rx_pkt_burst = NULL; 518 dev->tx_pkt_burst = NULL; 519 if (dev->data->mac_addrs) 520 rte_free(dev->data->mac_addrs); 521 if (dev->data) 522 rte_free(dev->data); 523 524 return 0; 525 } 526 527 static int 528 eth_ark_dev_configure(struct rte_eth_dev *dev) 529 { 530 PMD_FUNC_LOG(DEBUG, "\n"); 531 struct ark_adapter *ark = 532 (struct ark_adapter *)dev->data->dev_private; 533 534 eth_ark_dev_set_link_up(dev); 535 if (ark->user_ext.dev_configure) 536 return ark->user_ext.dev_configure(dev, ark->user_data); 537 return 0; 538 } 539 540 static void * 541 delay_pg_start(void *arg) 542 { 543 struct ark_adapter *ark = (struct ark_adapter *)arg; 544 545 /* This function is used exclusively for regression testing, We 546 * perform a blind sleep here to ensure that the external test 547 * application has time to setup the test before we generate packets 548 */ 549 usleep(100000); 550 ark_pktgen_run(ark->pg); 551 return NULL; 552 } 553 554 static int 555 eth_ark_dev_start(struct rte_eth_dev *dev) 556 { 557 struct ark_adapter *ark = 558 (struct ark_adapter *)dev->data->dev_private; 559 int i; 560 561 PMD_FUNC_LOG(DEBUG, "\n"); 562 563 /* RX Side */ 564 /* start UDM */ 565 ark_udm_start(ark->udm.v); 566 567 for (i = 0; i < dev->data->nb_rx_queues; i++) 568 eth_ark_rx_start_queue(dev, i); 569 570 /* TX Side */ 571 for (i = 0; i < dev->data->nb_tx_queues; i++) 572 eth_ark_tx_queue_start(dev, i); 573 574 /* start DDM */ 575 ark_ddm_start(ark->ddm.v); 576 577 ark->started = 1; 578 /* set xmit and receive function */ 579 dev->rx_pkt_burst = ð_ark_recv_pkts; 580 dev->tx_pkt_burst = ð_ark_xmit_pkts; 581 582 if (ark->start_pg) 583 ark_pktchkr_run(ark->pc); 584 585 if (ark->start_pg && (dev->data->port_id == 0)) { 586 pthread_t thread; 587 588 /* Delay packet generatpr start allow the hardware to be ready 589 * This is only used for sanity checking with internal generator 590 */ 591 pthread_create(&thread, NULL, delay_pg_start, ark); 592 } 593 594 if (ark->user_ext.dev_start) 595 ark->user_ext.dev_start(dev, ark->user_data); 596 597 return 0; 598 } 599 600 static void 601 eth_ark_dev_stop(struct rte_eth_dev *dev) 602 { 603 uint16_t i; 604 int status; 605 struct ark_adapter *ark = 606 (struct ark_adapter *)dev->data->dev_private; 607 struct ark_mpu_t *mpu; 608 609 PMD_FUNC_LOG(DEBUG, "\n"); 610 611 if (ark->started == 0) 612 return; 613 ark->started = 0; 614 615 /* Stop the extension first */ 616 if (ark->user_ext.dev_stop) 617 ark->user_ext.dev_stop(dev, ark->user_data); 618 619 /* Stop the packet generator */ 620 if (ark->start_pg) 621 ark_pktgen_pause(ark->pg); 622 623 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 624 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 625 626 /* STOP TX Side */ 627 for (i = 0; i < dev->data->nb_tx_queues; i++) { 628 status = eth_ark_tx_queue_stop(dev, i); 629 if (status != 0) { 630 uint8_t port = dev->data->port_id; 631 PMD_DRV_LOG(ERR, 632 "tx_queue stop anomaly" 633 " port %u, queue %u\n", 634 port, i); 635 } 636 } 637 638 /* Stop DDM */ 639 /* Wait up to 0.1 second. each stop is upto 1000 * 10 useconds */ 640 for (i = 0; i < 10; i++) { 641 status = ark_ddm_stop(ark->ddm.v, 1); 642 if (status == 0) 643 break; 644 } 645 if (status || i != 0) { 646 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 647 " %d iter: %u. (%s)\n", 648 status, 649 i, 650 __func__); 651 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 652 653 mpu = ark->mputx.v; 654 for (i = 0; i < ark->tx_queues; i++) { 655 ark_mpu_dump(mpu, "DDM failure dump", i); 656 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 657 } 658 } 659 660 /* STOP RX Side */ 661 /* Stop UDM multiple tries attempted */ 662 for (i = 0; i < 10; i++) { 663 status = ark_udm_stop(ark->udm.v, 1); 664 if (status == 0) 665 break; 666 } 667 if (status || i != 0) { 668 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 669 status, i, __func__); 670 ark_udm_dump(ark->udm.v, "Stop anomaly"); 671 672 mpu = ark->mpurx.v; 673 for (i = 0; i < ark->rx_queues; i++) { 674 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 675 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 676 } 677 } 678 679 ark_udm_dump_stats(ark->udm.v, "Post stop"); 680 ark_udm_dump_perf(ark->udm.v, "Post stop"); 681 682 for (i = 0; i < dev->data->nb_tx_queues; i++) 683 eth_ark_rx_dump_queue(dev, i, __func__); 684 685 /* Stop the packet checker if it is running */ 686 if (ark->start_pg) { 687 ark_pktchkr_dump_stats(ark->pc); 688 ark_pktchkr_stop(ark->pc); 689 } 690 } 691 692 static void 693 eth_ark_dev_close(struct rte_eth_dev *dev) 694 { 695 struct ark_adapter *ark = 696 (struct ark_adapter *)dev->data->dev_private; 697 uint16_t i; 698 699 if (ark->user_ext.dev_close) 700 ark->user_ext.dev_close(dev, ark->user_data); 701 702 eth_ark_dev_stop(dev); 703 eth_ark_udm_force_close(dev); 704 705 /* 706 * TODO This should only be called once for the device during shutdown 707 */ 708 ark_rqp_dump(ark->rqpacing); 709 710 for (i = 0; i < dev->data->nb_tx_queues; i++) { 711 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 712 dev->data->tx_queues[i] = 0; 713 } 714 715 for (i = 0; i < dev->data->nb_rx_queues; i++) { 716 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 717 dev->data->rx_queues[i] = 0; 718 } 719 } 720 721 static void 722 eth_ark_dev_info_get(struct rte_eth_dev *dev, 723 struct rte_eth_dev_info *dev_info) 724 { 725 struct ark_adapter *ark = 726 (struct ark_adapter *)dev->data->dev_private; 727 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 728 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 729 uint16_t ports = ark->num_ports; 730 731 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 732 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 733 734 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 735 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 736 737 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 738 .nb_max = ARK_RX_MAX_QUEUE, 739 .nb_min = ARK_RX_MIN_QUEUE, 740 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 741 742 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 743 .nb_max = ARK_TX_MAX_QUEUE, 744 .nb_min = ARK_TX_MIN_QUEUE, 745 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 746 747 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 748 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 749 ETH_LINK_SPEED_10G | 750 ETH_LINK_SPEED_25G | 751 ETH_LINK_SPEED_40G | 752 ETH_LINK_SPEED_50G | 753 ETH_LINK_SPEED_100G); 754 dev_info->pci_dev = ARK_DEV_TO_PCI(dev); 755 } 756 757 static int 758 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 759 { 760 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 761 dev->data->dev_link.link_status); 762 struct ark_adapter *ark = 763 (struct ark_adapter *)dev->data->dev_private; 764 765 if (ark->user_ext.link_update) { 766 return ark->user_ext.link_update 767 (dev, wait_to_complete, 768 ark->user_data); 769 } 770 return 0; 771 } 772 773 static int 774 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 775 { 776 dev->data->dev_link.link_status = 1; 777 struct ark_adapter *ark = 778 (struct ark_adapter *)dev->data->dev_private; 779 780 if (ark->user_ext.dev_set_link_up) 781 return ark->user_ext.dev_set_link_up(dev, ark->user_data); 782 return 0; 783 } 784 785 static int 786 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 787 { 788 dev->data->dev_link.link_status = 0; 789 struct ark_adapter *ark = 790 (struct ark_adapter *)dev->data->dev_private; 791 792 if (ark->user_ext.dev_set_link_down) 793 return ark->user_ext.dev_set_link_down(dev, ark->user_data); 794 return 0; 795 } 796 797 static void 798 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 799 { 800 uint16_t i; 801 struct ark_adapter *ark = 802 (struct ark_adapter *)dev->data->dev_private; 803 804 stats->ipackets = 0; 805 stats->ibytes = 0; 806 stats->opackets = 0; 807 stats->obytes = 0; 808 stats->imissed = 0; 809 stats->oerrors = 0; 810 811 for (i = 0; i < dev->data->nb_tx_queues; i++) 812 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 813 for (i = 0; i < dev->data->nb_rx_queues; i++) 814 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 815 if (ark->user_ext.stats_get) 816 ark->user_ext.stats_get(dev, stats, ark->user_data); 817 } 818 819 static void 820 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 821 { 822 uint16_t i; 823 struct ark_adapter *ark = 824 (struct ark_adapter *)dev->data->dev_private; 825 826 for (i = 0; i < dev->data->nb_tx_queues; i++) 827 eth_tx_queue_stats_reset(dev->data->rx_queues[i]); 828 for (i = 0; i < dev->data->nb_rx_queues; i++) 829 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 830 if (ark->user_ext.stats_reset) 831 ark->user_ext.stats_reset(dev, ark->user_data); 832 } 833 834 static void 835 eth_ark_macaddr_add(struct rte_eth_dev *dev, 836 struct ether_addr *mac_addr, 837 uint32_t index, 838 uint32_t pool) 839 { 840 struct ark_adapter *ark = 841 (struct ark_adapter *)dev->data->dev_private; 842 843 if (ark->user_ext.mac_addr_add) 844 ark->user_ext.mac_addr_add(dev, 845 mac_addr, 846 index, 847 pool, 848 ark->user_data); 849 } 850 851 static void 852 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 853 { 854 struct ark_adapter *ark = 855 (struct ark_adapter *)dev->data->dev_private; 856 857 if (ark->user_ext.mac_addr_remove) 858 ark->user_ext.mac_addr_remove(dev, index, ark->user_data); 859 } 860 861 static void 862 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 863 struct ether_addr *mac_addr) 864 { 865 struct ark_adapter *ark = 866 (struct ark_adapter *)dev->data->dev_private; 867 868 if (ark->user_ext.mac_addr_set) 869 ark->user_ext.mac_addr_set(dev, mac_addr, ark->user_data); 870 } 871 872 static inline int 873 process_pktdir_arg(const char *key, const char *value, 874 void *extra_args) 875 { 876 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 877 key, value); 878 struct ark_adapter *ark = 879 (struct ark_adapter *)extra_args; 880 881 ark->pkt_dir_v = strtol(value, NULL, 16); 882 PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 883 return 0; 884 } 885 886 static inline int 887 process_file_args(const char *key, const char *value, void *extra_args) 888 { 889 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 890 key, value); 891 char *args = (char *)extra_args; 892 893 /* Open the configuration file */ 894 FILE *file = fopen(value, "r"); 895 char line[ARK_MAX_ARG_LEN]; 896 int size = 0; 897 int first = 1; 898 899 while (fgets(line, sizeof(line), file)) { 900 size += strlen(line); 901 if (size >= ARK_MAX_ARG_LEN) { 902 PMD_DRV_LOG(ERR, "Unable to parse file %s args, " 903 "parameter list is too long\n", value); 904 fclose(file); 905 return -1; 906 } 907 if (first) { 908 strncpy(args, line, ARK_MAX_ARG_LEN); 909 first = 0; 910 } else { 911 strncat(args, line, ARK_MAX_ARG_LEN); 912 } 913 } 914 PMD_FUNC_LOG(DEBUG, "file = %s\n", args); 915 fclose(file); 916 return 0; 917 } 918 919 static int 920 eth_ark_check_args(struct ark_adapter *ark, const char *params) 921 { 922 struct rte_kvargs *kvlist; 923 unsigned int k_idx; 924 struct rte_kvargs_pair *pair = NULL; 925 926 kvlist = rte_kvargs_parse(params, valid_arguments); 927 if (kvlist == NULL) 928 return 0; 929 930 ark->pkt_gen_args[0] = 0; 931 ark->pkt_chkr_args[0] = 0; 932 933 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 934 pair = &kvlist->pairs[k_idx]; 935 PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 936 pair->key, 937 pair->value); 938 } 939 940 if (rte_kvargs_process(kvlist, 941 ARK_PKTDIR_ARG, 942 &process_pktdir_arg, 943 ark) != 0) { 944 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 945 return -1; 946 } 947 948 if (rte_kvargs_process(kvlist, 949 ARK_PKTGEN_ARG, 950 &process_file_args, 951 ark->pkt_gen_args) != 0) { 952 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 953 return -1; 954 } 955 956 if (rte_kvargs_process(kvlist, 957 ARK_PKTCHKR_ARG, 958 &process_file_args, 959 ark->pkt_chkr_args) != 0) { 960 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 961 return -1; 962 } 963 964 PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 965 /* Setup the packet director */ 966 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 967 968 /* Setup the packet generator */ 969 if (ark->pkt_gen_args[0]) { 970 PMD_DRV_LOG(INFO, "Setting up the packet generator\n"); 971 ark_pktgen_parse(ark->pkt_gen_args); 972 ark_pktgen_reset(ark->pg); 973 ark_pktgen_setup(ark->pg); 974 ark->start_pg = 1; 975 } 976 977 /* Setup the packet checker */ 978 if (ark->pkt_chkr_args[0]) { 979 ark_pktchkr_parse(ark->pkt_chkr_args); 980 ark_pktchkr_setup(ark->pc); 981 } 982 983 return 0; 984 } 985 986 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 987 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 988 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 989 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 990 ARK_PKTGEN_ARG "=<filename> " 991 ARK_PKTCHKR_ARG "=<filename> " 992 ARK_PKTDIR_ARG "=<bitmap>"); 993