1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) 2015-2018 Atomic Rules LLC 3 */ 4 5 #include <unistd.h> 6 #include <sys/stat.h> 7 #include <dlfcn.h> 8 9 #include <rte_bus_pci.h> 10 #include <rte_ethdev_pci.h> 11 #include <rte_kvargs.h> 12 13 #include "ark_global.h" 14 #include "ark_logs.h" 15 #include "ark_ethdev_tx.h" 16 #include "ark_ethdev_rx.h" 17 #include "ark_mpu.h" 18 #include "ark_ddm.h" 19 #include "ark_udm.h" 20 #include "ark_rqp.h" 21 #include "ark_pktdir.h" 22 #include "ark_pktgen.h" 23 #include "ark_pktchkr.h" 24 25 /* Internal prototypes */ 26 static int eth_ark_check_args(struct ark_adapter *ark, const char *params); 27 static int eth_ark_dev_init(struct rte_eth_dev *dev); 28 static int ark_config_device(struct rte_eth_dev *dev); 29 static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev); 30 static int eth_ark_dev_configure(struct rte_eth_dev *dev); 31 static int eth_ark_dev_start(struct rte_eth_dev *dev); 32 static void eth_ark_dev_stop(struct rte_eth_dev *dev); 33 static void eth_ark_dev_close(struct rte_eth_dev *dev); 34 static void eth_ark_dev_info_get(struct rte_eth_dev *dev, 35 struct rte_eth_dev_info *dev_info); 36 static int eth_ark_dev_link_update(struct rte_eth_dev *dev, 37 int wait_to_complete); 38 static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev); 39 static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev); 40 static int eth_ark_dev_stats_get(struct rte_eth_dev *dev, 41 struct rte_eth_stats *stats); 42 static void eth_ark_dev_stats_reset(struct rte_eth_dev *dev); 43 static int eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 44 struct ether_addr *mac_addr); 45 static int eth_ark_macaddr_add(struct rte_eth_dev *dev, 46 struct ether_addr *mac_addr, 47 uint32_t index, 48 uint32_t pool); 49 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev, 50 uint32_t index); 51 static int eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size); 52 53 /* 54 * The packet generator is a functional block used to generate packet 55 * patterns for testing. It is not intended for nominal use. 56 */ 57 #define ARK_PKTGEN_ARG "Pkt_gen" 58 59 /* 60 * The packet checker is a functional block used to verify packet 61 * patterns for testing. It is not intended for nominal use. 62 */ 63 #define ARK_PKTCHKR_ARG "Pkt_chkr" 64 65 /* 66 * The packet director is used to select the internal ingress and 67 * egress packets paths during testing. It is not intended for 68 * nominal use. 69 */ 70 #define ARK_PKTDIR_ARG "Pkt_dir" 71 72 /* Devinfo configurations */ 73 #define ARK_RX_MAX_QUEUE (4096 * 4) 74 #define ARK_RX_MIN_QUEUE (512) 75 #define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128) 76 #define ARK_RX_MIN_BUFSIZE (1024) 77 78 #define ARK_TX_MAX_QUEUE (4096 * 4) 79 #define ARK_TX_MIN_QUEUE (256) 80 81 static const char * const valid_arguments[] = { 82 ARK_PKTGEN_ARG, 83 ARK_PKTCHKR_ARG, 84 ARK_PKTDIR_ARG, 85 NULL 86 }; 87 88 static const struct rte_pci_id pci_id_ark_map[] = { 89 {RTE_PCI_DEVICE(0x1d6c, 0x100d)}, 90 {RTE_PCI_DEVICE(0x1d6c, 0x100e)}, 91 {.vendor_id = 0, /* sentinel */ }, 92 }; 93 94 static int 95 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 96 struct rte_pci_device *pci_dev) 97 { 98 struct rte_eth_dev *eth_dev; 99 int ret; 100 101 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 102 103 if (eth_dev == NULL) 104 return -ENOMEM; 105 106 ret = eth_ark_dev_init(eth_dev); 107 if (ret) 108 rte_eth_dev_pci_release(eth_dev); 109 110 return ret; 111 } 112 113 static int 114 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 115 { 116 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 117 } 118 119 static struct rte_pci_driver rte_ark_pmd = { 120 .id_table = pci_id_ark_map, 121 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 122 .probe = eth_ark_pci_probe, 123 .remove = eth_ark_pci_remove, 124 }; 125 126 static const struct eth_dev_ops ark_eth_dev_ops = { 127 .dev_configure = eth_ark_dev_configure, 128 .dev_start = eth_ark_dev_start, 129 .dev_stop = eth_ark_dev_stop, 130 .dev_close = eth_ark_dev_close, 131 132 .dev_infos_get = eth_ark_dev_info_get, 133 134 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 135 .rx_queue_count = eth_ark_dev_rx_queue_count, 136 .tx_queue_setup = eth_ark_tx_queue_setup, 137 138 .link_update = eth_ark_dev_link_update, 139 .dev_set_link_up = eth_ark_dev_set_link_up, 140 .dev_set_link_down = eth_ark_dev_set_link_down, 141 142 .rx_queue_start = eth_ark_rx_start_queue, 143 .rx_queue_stop = eth_ark_rx_stop_queue, 144 145 .tx_queue_start = eth_ark_tx_queue_start, 146 .tx_queue_stop = eth_ark_tx_queue_stop, 147 148 .stats_get = eth_ark_dev_stats_get, 149 .stats_reset = eth_ark_dev_stats_reset, 150 151 .mac_addr_add = eth_ark_macaddr_add, 152 .mac_addr_remove = eth_ark_macaddr_remove, 153 .mac_addr_set = eth_ark_set_default_mac_addr, 154 155 .mtu_set = eth_ark_set_mtu, 156 }; 157 158 static int 159 check_for_ext(struct ark_adapter *ark) 160 { 161 int found = 0; 162 163 /* Get the env */ 164 const char *dllpath = getenv("ARK_EXT_PATH"); 165 166 if (dllpath == NULL) { 167 PMD_DEBUG_LOG(DEBUG, "ARK EXT NO dll path specified\n"); 168 return 0; 169 } 170 PMD_DRV_LOG(INFO, "ARK EXT found dll path at %s\n", dllpath); 171 172 /* Open and load the .so */ 173 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 174 if (ark->d_handle == NULL) { 175 PMD_DRV_LOG(ERR, "Could not load user extension %s\n", 176 dllpath); 177 return -1; 178 } 179 PMD_DRV_LOG(INFO, "SUCCESS: loaded user extension %s\n", 180 dllpath); 181 182 /* Get the entry points */ 183 ark->user_ext.dev_init = 184 (void *(*)(struct rte_eth_dev *, void *, int)) 185 dlsym(ark->d_handle, "dev_init"); 186 PMD_DEBUG_LOG(DEBUG, "device ext init pointer = %p\n", 187 ark->user_ext.dev_init); 188 ark->user_ext.dev_get_port_count = 189 (int (*)(struct rte_eth_dev *, void *)) 190 dlsym(ark->d_handle, "dev_get_port_count"); 191 ark->user_ext.dev_uninit = 192 (void (*)(struct rte_eth_dev *, void *)) 193 dlsym(ark->d_handle, "dev_uninit"); 194 ark->user_ext.dev_configure = 195 (int (*)(struct rte_eth_dev *, void *)) 196 dlsym(ark->d_handle, "dev_configure"); 197 ark->user_ext.dev_start = 198 (int (*)(struct rte_eth_dev *, void *)) 199 dlsym(ark->d_handle, "dev_start"); 200 ark->user_ext.dev_stop = 201 (void (*)(struct rte_eth_dev *, void *)) 202 dlsym(ark->d_handle, "dev_stop"); 203 ark->user_ext.dev_close = 204 (void (*)(struct rte_eth_dev *, void *)) 205 dlsym(ark->d_handle, "dev_close"); 206 ark->user_ext.link_update = 207 (int (*)(struct rte_eth_dev *, int, void *)) 208 dlsym(ark->d_handle, "link_update"); 209 ark->user_ext.dev_set_link_up = 210 (int (*)(struct rte_eth_dev *, void *)) 211 dlsym(ark->d_handle, "dev_set_link_up"); 212 ark->user_ext.dev_set_link_down = 213 (int (*)(struct rte_eth_dev *, void *)) 214 dlsym(ark->d_handle, "dev_set_link_down"); 215 ark->user_ext.stats_get = 216 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 217 void *)) 218 dlsym(ark->d_handle, "stats_get"); 219 ark->user_ext.stats_reset = 220 (void (*)(struct rte_eth_dev *, void *)) 221 dlsym(ark->d_handle, "stats_reset"); 222 ark->user_ext.mac_addr_add = 223 (void (*)(struct rte_eth_dev *, struct ether_addr *, uint32_t, 224 uint32_t, void *)) 225 dlsym(ark->d_handle, "mac_addr_add"); 226 ark->user_ext.mac_addr_remove = 227 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 228 dlsym(ark->d_handle, "mac_addr_remove"); 229 ark->user_ext.mac_addr_set = 230 (void (*)(struct rte_eth_dev *, struct ether_addr *, 231 void *)) 232 dlsym(ark->d_handle, "mac_addr_set"); 233 ark->user_ext.set_mtu = 234 (int (*)(struct rte_eth_dev *, uint16_t, 235 void *)) 236 dlsym(ark->d_handle, "set_mtu"); 237 238 return found; 239 } 240 241 static int 242 eth_ark_dev_init(struct rte_eth_dev *dev) 243 { 244 struct ark_adapter *ark = 245 (struct ark_adapter *)dev->data->dev_private; 246 struct rte_pci_device *pci_dev; 247 int ret; 248 int port_count = 1; 249 int p; 250 251 ark->eth_dev = dev; 252 253 PMD_FUNC_LOG(DEBUG, "\n"); 254 255 /* Check to see if there is an extension that we need to load */ 256 ret = check_for_ext(ark); 257 if (ret) 258 return ret; 259 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 260 rte_eth_copy_pci_info(dev, pci_dev); 261 262 /* Use dummy function until setup */ 263 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 264 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 265 266 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 267 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 268 269 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 270 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 271 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 272 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 273 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 274 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 275 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 276 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 277 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 278 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 279 280 ark->rqpacing = 281 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 282 ark->started = 0; 283 284 PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 285 ark->sysctrl.t32[4], 286 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 287 PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n", 288 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 289 290 /* If HW sanity test fails, return an error */ 291 if (ark->sysctrl.t32[4] != 0xcafef00d) { 292 PMD_DRV_LOG(ERR, 293 "HW Sanity test has failed, expected constant" 294 " 0x%x, read 0x%x (%s)\n", 295 0xcafef00d, 296 ark->sysctrl.t32[4], __func__); 297 return -1; 298 } 299 if (ark->sysctrl.t32[3] != 0) { 300 if (ark_rqp_lasped(ark->rqpacing)) { 301 PMD_DRV_LOG(ERR, "Arkville Evaluation System - " 302 "Timer has Expired\n"); 303 return -1; 304 } 305 PMD_DRV_LOG(WARNING, "Arkville Evaluation System - " 306 "Timer is Running\n"); 307 } 308 309 PMD_DRV_LOG(INFO, 310 "HW Sanity test has PASSED, expected constant" 311 " 0x%x, read 0x%x (%s)\n", 312 0xcafef00d, ark->sysctrl.t32[4], __func__); 313 314 /* We are a single function multi-port device. */ 315 ret = ark_config_device(dev); 316 if (ret) 317 return -1; 318 319 dev->dev_ops = &ark_eth_dev_ops; 320 321 dev->data->mac_addrs = rte_zmalloc("ark", ETHER_ADDR_LEN, 0); 322 if (!dev->data->mac_addrs) { 323 PMD_DRV_LOG(ERR, 324 "Failed to allocated memory for storing mac address" 325 ); 326 } 327 328 if (ark->user_ext.dev_init) { 329 ark->user_data[dev->data->port_id] = 330 ark->user_ext.dev_init(dev, ark->a_bar, 0); 331 if (!ark->user_data[dev->data->port_id]) { 332 PMD_DRV_LOG(INFO, 333 "Failed to initialize PMD extension!" 334 " continuing without it\n"); 335 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 336 dlclose(ark->d_handle); 337 } 338 } 339 340 if (pci_dev->device.devargs) 341 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 342 else 343 PMD_DRV_LOG(INFO, "No Device args found\n"); 344 345 if (ret) 346 goto error; 347 /* 348 * We will create additional devices based on the number of requested 349 * ports 350 */ 351 if (ark->user_ext.dev_get_port_count) 352 port_count = 353 ark->user_ext.dev_get_port_count(dev, 354 ark->user_data[dev->data->port_id]); 355 ark->num_ports = port_count; 356 357 for (p = 0; p < port_count; p++) { 358 struct rte_eth_dev *eth_dev; 359 char name[RTE_ETH_NAME_MAX_LEN]; 360 361 snprintf(name, sizeof(name), "arketh%d", 362 dev->data->port_id + p); 363 364 if (p == 0) { 365 /* First port is already allocated by DPDK */ 366 eth_dev = ark->eth_dev; 367 rte_eth_dev_probing_finish(eth_dev); 368 continue; 369 } 370 371 /* reserve an ethdev entry */ 372 eth_dev = rte_eth_dev_allocate(name); 373 if (!eth_dev) { 374 PMD_DRV_LOG(ERR, 375 "Could not allocate eth_dev for port %d\n", 376 p); 377 goto error; 378 } 379 380 eth_dev->device = &pci_dev->device; 381 eth_dev->data->dev_private = ark; 382 eth_dev->dev_ops = ark->eth_dev->dev_ops; 383 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 384 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 385 386 rte_eth_copy_pci_info(eth_dev, pci_dev); 387 388 eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0); 389 if (!eth_dev->data->mac_addrs) { 390 PMD_DRV_LOG(ERR, 391 "Memory allocation for MAC failed!" 392 " Exiting.\n"); 393 goto error; 394 } 395 396 if (ark->user_ext.dev_init) { 397 ark->user_data[eth_dev->data->port_id] = 398 ark->user_ext.dev_init(dev, ark->a_bar, p); 399 } 400 401 rte_eth_dev_probing_finish(eth_dev); 402 } 403 404 return ret; 405 406 error: 407 if (dev->data->mac_addrs) 408 rte_free(dev->data->mac_addrs); 409 return -1; 410 } 411 412 /* 413 *Initial device configuration when device is opened 414 * setup the DDM, and UDM 415 * Called once per PCIE device 416 */ 417 static int 418 ark_config_device(struct rte_eth_dev *dev) 419 { 420 struct ark_adapter *ark = 421 (struct ark_adapter *)dev->data->dev_private; 422 uint16_t num_q, i; 423 struct ark_mpu_t *mpu; 424 425 /* 426 * Make sure that the packet director, generator and checker are in a 427 * known state 428 */ 429 ark->start_pg = 0; 430 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 431 if (ark->pg == NULL) 432 return -1; 433 ark_pktgen_reset(ark->pg); 434 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 435 if (ark->pc == NULL) 436 return -1; 437 ark_pktchkr_stop(ark->pc); 438 ark->pd = ark_pktdir_init(ark->pktdir.v); 439 if (ark->pd == NULL) 440 return -1; 441 442 /* Verify HW */ 443 if (ark_udm_verify(ark->udm.v)) 444 return -1; 445 if (ark_ddm_verify(ark->ddm.v)) 446 return -1; 447 448 /* UDM */ 449 if (ark_udm_reset(ark->udm.v)) { 450 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 451 return -1; 452 } 453 /* Keep in reset until the MPU are cleared */ 454 455 /* MPU reset */ 456 mpu = ark->mpurx.v; 457 num_q = ark_api_num_queues(mpu); 458 ark->rx_queues = num_q; 459 for (i = 0; i < num_q; i++) { 460 ark_mpu_reset(mpu); 461 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 462 } 463 464 ark_udm_stop(ark->udm.v, 0); 465 ark_udm_configure(ark->udm.v, 466 RTE_PKTMBUF_HEADROOM, 467 RTE_MBUF_DEFAULT_DATAROOM, 468 ARK_RX_WRITE_TIME_NS); 469 ark_udm_stats_reset(ark->udm.v); 470 ark_udm_stop(ark->udm.v, 0); 471 472 /* TX -- DDM */ 473 if (ark_ddm_stop(ark->ddm.v, 1)) 474 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 475 476 mpu = ark->mputx.v; 477 num_q = ark_api_num_queues(mpu); 478 ark->tx_queues = num_q; 479 for (i = 0; i < num_q; i++) { 480 ark_mpu_reset(mpu); 481 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 482 } 483 484 ark_ddm_reset(ark->ddm.v); 485 ark_ddm_stats_reset(ark->ddm.v); 486 487 ark_ddm_stop(ark->ddm.v, 0); 488 ark_rqp_stats_reset(ark->rqpacing); 489 490 return 0; 491 } 492 493 static int 494 eth_ark_dev_uninit(struct rte_eth_dev *dev) 495 { 496 struct ark_adapter *ark = 497 (struct ark_adapter *)dev->data->dev_private; 498 499 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 500 return 0; 501 502 if (ark->user_ext.dev_uninit) 503 ark->user_ext.dev_uninit(dev, 504 ark->user_data[dev->data->port_id]); 505 506 ark_pktgen_uninit(ark->pg); 507 ark_pktchkr_uninit(ark->pc); 508 509 dev->dev_ops = NULL; 510 dev->rx_pkt_burst = NULL; 511 dev->tx_pkt_burst = NULL; 512 rte_free(dev->data->mac_addrs); 513 return 0; 514 } 515 516 static int 517 eth_ark_dev_configure(struct rte_eth_dev *dev) 518 { 519 PMD_FUNC_LOG(DEBUG, "\n"); 520 struct ark_adapter *ark = 521 (struct ark_adapter *)dev->data->dev_private; 522 523 eth_ark_dev_set_link_up(dev); 524 if (ark->user_ext.dev_configure) 525 return ark->user_ext.dev_configure(dev, 526 ark->user_data[dev->data->port_id]); 527 return 0; 528 } 529 530 static void * 531 delay_pg_start(void *arg) 532 { 533 struct ark_adapter *ark = (struct ark_adapter *)arg; 534 535 /* This function is used exclusively for regression testing, We 536 * perform a blind sleep here to ensure that the external test 537 * application has time to setup the test before we generate packets 538 */ 539 usleep(100000); 540 ark_pktgen_run(ark->pg); 541 return NULL; 542 } 543 544 static int 545 eth_ark_dev_start(struct rte_eth_dev *dev) 546 { 547 struct ark_adapter *ark = 548 (struct ark_adapter *)dev->data->dev_private; 549 int i; 550 551 PMD_FUNC_LOG(DEBUG, "\n"); 552 553 /* RX Side */ 554 /* start UDM */ 555 ark_udm_start(ark->udm.v); 556 557 for (i = 0; i < dev->data->nb_rx_queues; i++) 558 eth_ark_rx_start_queue(dev, i); 559 560 /* TX Side */ 561 for (i = 0; i < dev->data->nb_tx_queues; i++) 562 eth_ark_tx_queue_start(dev, i); 563 564 /* start DDM */ 565 ark_ddm_start(ark->ddm.v); 566 567 ark->started = 1; 568 /* set xmit and receive function */ 569 dev->rx_pkt_burst = ð_ark_recv_pkts; 570 dev->tx_pkt_burst = ð_ark_xmit_pkts; 571 572 if (ark->start_pg) 573 ark_pktchkr_run(ark->pc); 574 575 if (ark->start_pg && (dev->data->port_id == 0)) { 576 pthread_t thread; 577 578 /* Delay packet generatpr start allow the hardware to be ready 579 * This is only used for sanity checking with internal generator 580 */ 581 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 582 PMD_DRV_LOG(ERR, "Could not create pktgen " 583 "starter thread\n"); 584 return -1; 585 } 586 } 587 588 if (ark->user_ext.dev_start) 589 ark->user_ext.dev_start(dev, 590 ark->user_data[dev->data->port_id]); 591 592 return 0; 593 } 594 595 static void 596 eth_ark_dev_stop(struct rte_eth_dev *dev) 597 { 598 uint16_t i; 599 int status; 600 struct ark_adapter *ark = 601 (struct ark_adapter *)dev->data->dev_private; 602 struct ark_mpu_t *mpu; 603 604 PMD_FUNC_LOG(DEBUG, "\n"); 605 606 if (ark->started == 0) 607 return; 608 ark->started = 0; 609 610 /* Stop the extension first */ 611 if (ark->user_ext.dev_stop) 612 ark->user_ext.dev_stop(dev, 613 ark->user_data[dev->data->port_id]); 614 615 /* Stop the packet generator */ 616 if (ark->start_pg) 617 ark_pktgen_pause(ark->pg); 618 619 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 620 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 621 622 /* STOP TX Side */ 623 for (i = 0; i < dev->data->nb_tx_queues; i++) { 624 status = eth_ark_tx_queue_stop(dev, i); 625 if (status != 0) { 626 uint16_t port = dev->data->port_id; 627 PMD_DRV_LOG(ERR, 628 "tx_queue stop anomaly" 629 " port %u, queue %u\n", 630 port, i); 631 } 632 } 633 634 /* Stop DDM */ 635 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 636 for (i = 0; i < 10; i++) { 637 status = ark_ddm_stop(ark->ddm.v, 1); 638 if (status == 0) 639 break; 640 } 641 if (status || i != 0) { 642 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 643 " %d iter: %u. (%s)\n", 644 status, 645 i, 646 __func__); 647 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 648 649 mpu = ark->mputx.v; 650 for (i = 0; i < ark->tx_queues; i++) { 651 ark_mpu_dump(mpu, "DDM failure dump", i); 652 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 653 } 654 } 655 656 /* STOP RX Side */ 657 /* Stop UDM multiple tries attempted */ 658 for (i = 0; i < 10; i++) { 659 status = ark_udm_stop(ark->udm.v, 1); 660 if (status == 0) 661 break; 662 } 663 if (status || i != 0) { 664 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 665 status, i, __func__); 666 ark_udm_dump(ark->udm.v, "Stop anomaly"); 667 668 mpu = ark->mpurx.v; 669 for (i = 0; i < ark->rx_queues; i++) { 670 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 671 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 672 } 673 } 674 675 ark_udm_dump_stats(ark->udm.v, "Post stop"); 676 ark_udm_dump_perf(ark->udm.v, "Post stop"); 677 678 for (i = 0; i < dev->data->nb_rx_queues; i++) 679 eth_ark_rx_dump_queue(dev, i, __func__); 680 681 /* Stop the packet checker if it is running */ 682 if (ark->start_pg) { 683 ark_pktchkr_dump_stats(ark->pc); 684 ark_pktchkr_stop(ark->pc); 685 } 686 } 687 688 static void 689 eth_ark_dev_close(struct rte_eth_dev *dev) 690 { 691 struct ark_adapter *ark = 692 (struct ark_adapter *)dev->data->dev_private; 693 uint16_t i; 694 695 if (ark->user_ext.dev_close) 696 ark->user_ext.dev_close(dev, 697 ark->user_data[dev->data->port_id]); 698 699 eth_ark_dev_stop(dev); 700 eth_ark_udm_force_close(dev); 701 702 /* 703 * TODO This should only be called once for the device during shutdown 704 */ 705 ark_rqp_dump(ark->rqpacing); 706 707 for (i = 0; i < dev->data->nb_tx_queues; i++) { 708 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 709 dev->data->tx_queues[i] = 0; 710 } 711 712 for (i = 0; i < dev->data->nb_rx_queues; i++) { 713 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 714 dev->data->rx_queues[i] = 0; 715 } 716 } 717 718 static void 719 eth_ark_dev_info_get(struct rte_eth_dev *dev, 720 struct rte_eth_dev_info *dev_info) 721 { 722 struct ark_adapter *ark = 723 (struct ark_adapter *)dev->data->dev_private; 724 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 725 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 726 uint16_t ports = ark->num_ports; 727 728 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 729 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 730 731 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 732 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 733 734 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 735 .nb_max = ARK_RX_MAX_QUEUE, 736 .nb_min = ARK_RX_MIN_QUEUE, 737 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 738 739 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 740 .nb_max = ARK_TX_MAX_QUEUE, 741 .nb_min = ARK_TX_MIN_QUEUE, 742 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 743 744 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 745 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 746 ETH_LINK_SPEED_10G | 747 ETH_LINK_SPEED_25G | 748 ETH_LINK_SPEED_40G | 749 ETH_LINK_SPEED_50G | 750 ETH_LINK_SPEED_100G); 751 } 752 753 static int 754 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 755 { 756 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 757 dev->data->dev_link.link_status); 758 struct ark_adapter *ark = 759 (struct ark_adapter *)dev->data->dev_private; 760 761 if (ark->user_ext.link_update) { 762 return ark->user_ext.link_update 763 (dev, wait_to_complete, 764 ark->user_data[dev->data->port_id]); 765 } 766 return 0; 767 } 768 769 static int 770 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 771 { 772 dev->data->dev_link.link_status = 1; 773 struct ark_adapter *ark = 774 (struct ark_adapter *)dev->data->dev_private; 775 776 if (ark->user_ext.dev_set_link_up) 777 return ark->user_ext.dev_set_link_up(dev, 778 ark->user_data[dev->data->port_id]); 779 return 0; 780 } 781 782 static int 783 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 784 { 785 dev->data->dev_link.link_status = 0; 786 struct ark_adapter *ark = 787 (struct ark_adapter *)dev->data->dev_private; 788 789 if (ark->user_ext.dev_set_link_down) 790 return ark->user_ext.dev_set_link_down(dev, 791 ark->user_data[dev->data->port_id]); 792 return 0; 793 } 794 795 static int 796 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 797 { 798 uint16_t i; 799 struct ark_adapter *ark = 800 (struct ark_adapter *)dev->data->dev_private; 801 802 stats->ipackets = 0; 803 stats->ibytes = 0; 804 stats->opackets = 0; 805 stats->obytes = 0; 806 stats->imissed = 0; 807 stats->oerrors = 0; 808 809 for (i = 0; i < dev->data->nb_tx_queues; i++) 810 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 811 for (i = 0; i < dev->data->nb_rx_queues; i++) 812 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 813 if (ark->user_ext.stats_get) 814 return ark->user_ext.stats_get(dev, stats, 815 ark->user_data[dev->data->port_id]); 816 return 0; 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->tx_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, 832 ark->user_data[dev->data->port_id]); 833 } 834 835 static int 836 eth_ark_macaddr_add(struct rte_eth_dev *dev, 837 struct ether_addr *mac_addr, 838 uint32_t index, 839 uint32_t pool) 840 { 841 struct ark_adapter *ark = 842 (struct ark_adapter *)dev->data->dev_private; 843 844 if (ark->user_ext.mac_addr_add) { 845 ark->user_ext.mac_addr_add(dev, 846 mac_addr, 847 index, 848 pool, 849 ark->user_data[dev->data->port_id]); 850 return 0; 851 } 852 return -ENOTSUP; 853 } 854 855 static void 856 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 857 { 858 struct ark_adapter *ark = 859 (struct ark_adapter *)dev->data->dev_private; 860 861 if (ark->user_ext.mac_addr_remove) 862 ark->user_ext.mac_addr_remove(dev, index, 863 ark->user_data[dev->data->port_id]); 864 } 865 866 static int 867 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 868 struct ether_addr *mac_addr) 869 { 870 struct ark_adapter *ark = 871 (struct ark_adapter *)dev->data->dev_private; 872 873 if (ark->user_ext.mac_addr_set) { 874 ark->user_ext.mac_addr_set(dev, mac_addr, 875 ark->user_data[dev->data->port_id]); 876 return 0; 877 } 878 return -ENOTSUP; 879 } 880 881 static int 882 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 883 { 884 struct ark_adapter *ark = 885 (struct ark_adapter *)dev->data->dev_private; 886 887 if (ark->user_ext.set_mtu) 888 return ark->user_ext.set_mtu(dev, size, 889 ark->user_data[dev->data->port_id]); 890 891 return -ENOTSUP; 892 } 893 894 static inline int 895 process_pktdir_arg(const char *key, const char *value, 896 void *extra_args) 897 { 898 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 899 key, value); 900 struct ark_adapter *ark = 901 (struct ark_adapter *)extra_args; 902 903 ark->pkt_dir_v = strtol(value, NULL, 16); 904 PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 905 return 0; 906 } 907 908 static inline int 909 process_file_args(const char *key, const char *value, void *extra_args) 910 { 911 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 912 key, value); 913 char *args = (char *)extra_args; 914 915 /* Open the configuration file */ 916 FILE *file = fopen(value, "r"); 917 char line[ARK_MAX_ARG_LEN]; 918 int size = 0; 919 int first = 1; 920 921 if (file == NULL) { 922 PMD_DRV_LOG(ERR, "Unable to open " 923 "config file %s\n", value); 924 return -1; 925 } 926 927 while (fgets(line, sizeof(line), file)) { 928 size += strlen(line); 929 if (size >= ARK_MAX_ARG_LEN) { 930 PMD_DRV_LOG(ERR, "Unable to parse file %s args, " 931 "parameter list is too long\n", value); 932 fclose(file); 933 return -1; 934 } 935 if (first) { 936 strncpy(args, line, ARK_MAX_ARG_LEN); 937 first = 0; 938 } else { 939 strncat(args, line, ARK_MAX_ARG_LEN); 940 } 941 } 942 PMD_FUNC_LOG(DEBUG, "file = %s\n", args); 943 fclose(file); 944 return 0; 945 } 946 947 static int 948 eth_ark_check_args(struct ark_adapter *ark, const char *params) 949 { 950 struct rte_kvargs *kvlist; 951 unsigned int k_idx; 952 struct rte_kvargs_pair *pair = NULL; 953 int ret = -1; 954 955 kvlist = rte_kvargs_parse(params, valid_arguments); 956 if (kvlist == NULL) 957 return 0; 958 959 ark->pkt_gen_args[0] = 0; 960 ark->pkt_chkr_args[0] = 0; 961 962 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 963 pair = &kvlist->pairs[k_idx]; 964 PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 965 pair->key, 966 pair->value); 967 } 968 969 if (rte_kvargs_process(kvlist, 970 ARK_PKTDIR_ARG, 971 &process_pktdir_arg, 972 ark) != 0) { 973 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 974 goto free_kvlist; 975 } 976 977 if (rte_kvargs_process(kvlist, 978 ARK_PKTGEN_ARG, 979 &process_file_args, 980 ark->pkt_gen_args) != 0) { 981 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 982 goto free_kvlist; 983 } 984 985 if (rte_kvargs_process(kvlist, 986 ARK_PKTCHKR_ARG, 987 &process_file_args, 988 ark->pkt_chkr_args) != 0) { 989 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 990 goto free_kvlist; 991 } 992 993 PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 994 /* Setup the packet director */ 995 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 996 997 /* Setup the packet generator */ 998 if (ark->pkt_gen_args[0]) { 999 PMD_DRV_LOG(INFO, "Setting up the packet generator\n"); 1000 ark_pktgen_parse(ark->pkt_gen_args); 1001 ark_pktgen_reset(ark->pg); 1002 ark_pktgen_setup(ark->pg); 1003 ark->start_pg = 1; 1004 } 1005 1006 /* Setup the packet checker */ 1007 if (ark->pkt_chkr_args[0]) { 1008 ark_pktchkr_parse(ark->pkt_chkr_args); 1009 ark_pktchkr_setup(ark->pc); 1010 } 1011 1012 ret = 0; 1013 1014 free_kvlist: 1015 rte_kvargs_free(kvlist); 1016 1017 return ret; 1018 } 1019 1020 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1021 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1022 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1023 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1024 ARK_PKTGEN_ARG "=<filename> " 1025 ARK_PKTCHKR_ARG "=<filename> " 1026 ARK_PKTDIR_ARG "=<bitmap>"); 1027