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 rte_ether_addr *mac_addr); 45 static int eth_ark_macaddr_add(struct rte_eth_dev *dev, 46 struct rte_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 rte_ether_addr *, 224 uint32_t, 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 rte_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 = dev->data->dev_private; 245 struct rte_pci_device *pci_dev; 246 int ret; 247 int port_count = 1; 248 int p; 249 250 ark->eth_dev = dev; 251 252 PMD_FUNC_LOG(DEBUG, "\n"); 253 254 /* Check to see if there is an extension that we need to load */ 255 ret = check_for_ext(ark); 256 if (ret) 257 return ret; 258 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 259 rte_eth_copy_pci_info(dev, pci_dev); 260 261 /* Use dummy function until setup */ 262 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 263 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 264 265 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 266 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 267 268 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 269 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 270 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 271 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 272 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 273 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 274 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 275 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 276 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 277 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 278 279 ark->rqpacing = 280 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 281 ark->started = 0; 282 283 PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 284 ark->sysctrl.t32[4], 285 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 286 PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n", 287 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 288 289 /* If HW sanity test fails, return an error */ 290 if (ark->sysctrl.t32[4] != 0xcafef00d) { 291 PMD_DRV_LOG(ERR, 292 "HW Sanity test has failed, expected constant" 293 " 0x%x, read 0x%x (%s)\n", 294 0xcafef00d, 295 ark->sysctrl.t32[4], __func__); 296 return -1; 297 } 298 if (ark->sysctrl.t32[3] != 0) { 299 if (ark_rqp_lasped(ark->rqpacing)) { 300 PMD_DRV_LOG(ERR, "Arkville Evaluation System - " 301 "Timer has Expired\n"); 302 return -1; 303 } 304 PMD_DRV_LOG(WARNING, "Arkville Evaluation System - " 305 "Timer is Running\n"); 306 } 307 308 PMD_DRV_LOG(INFO, 309 "HW Sanity test has PASSED, expected constant" 310 " 0x%x, read 0x%x (%s)\n", 311 0xcafef00d, ark->sysctrl.t32[4], __func__); 312 313 /* We are a single function multi-port device. */ 314 ret = ark_config_device(dev); 315 if (ret) 316 return -1; 317 318 dev->dev_ops = &ark_eth_dev_ops; 319 320 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 321 if (!dev->data->mac_addrs) { 322 PMD_DRV_LOG(ERR, 323 "Failed to allocated memory for storing mac address" 324 ); 325 } 326 327 if (ark->user_ext.dev_init) { 328 ark->user_data[dev->data->port_id] = 329 ark->user_ext.dev_init(dev, ark->a_bar, 0); 330 if (!ark->user_data[dev->data->port_id]) { 331 PMD_DRV_LOG(INFO, 332 "Failed to initialize PMD extension!" 333 " continuing without it\n"); 334 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 335 dlclose(ark->d_handle); 336 } 337 } 338 339 if (pci_dev->device.devargs) 340 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 341 else 342 PMD_DRV_LOG(INFO, "No Device args found\n"); 343 344 if (ret) 345 goto error; 346 /* 347 * We will create additional devices based on the number of requested 348 * ports 349 */ 350 if (ark->user_ext.dev_get_port_count) 351 port_count = 352 ark->user_ext.dev_get_port_count(dev, 353 ark->user_data[dev->data->port_id]); 354 ark->num_ports = port_count; 355 356 for (p = 0; p < port_count; p++) { 357 struct rte_eth_dev *eth_dev; 358 char name[RTE_ETH_NAME_MAX_LEN]; 359 360 snprintf(name, sizeof(name), "arketh%d", 361 dev->data->port_id + p); 362 363 if (p == 0) { 364 /* First port is already allocated by DPDK */ 365 eth_dev = ark->eth_dev; 366 rte_eth_dev_probing_finish(eth_dev); 367 continue; 368 } 369 370 /* reserve an ethdev entry */ 371 eth_dev = rte_eth_dev_allocate(name); 372 if (!eth_dev) { 373 PMD_DRV_LOG(ERR, 374 "Could not allocate eth_dev for port %d\n", 375 p); 376 goto error; 377 } 378 379 eth_dev->device = &pci_dev->device; 380 eth_dev->data->dev_private = ark; 381 eth_dev->dev_ops = ark->eth_dev->dev_ops; 382 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 383 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 384 385 rte_eth_copy_pci_info(eth_dev, pci_dev); 386 387 eth_dev->data->mac_addrs = rte_zmalloc(name, 388 RTE_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 rte_free(dev->data->mac_addrs); 408 dev->data->mac_addrs = NULL; 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 = dev->data->dev_private; 421 uint16_t num_q, i; 422 struct ark_mpu_t *mpu; 423 424 /* 425 * Make sure that the packet director, generator and checker are in a 426 * known state 427 */ 428 ark->start_pg = 0; 429 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 430 if (ark->pg == NULL) 431 return -1; 432 ark_pktgen_reset(ark->pg); 433 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 434 if (ark->pc == NULL) 435 return -1; 436 ark_pktchkr_stop(ark->pc); 437 ark->pd = ark_pktdir_init(ark->pktdir.v); 438 if (ark->pd == NULL) 439 return -1; 440 441 /* Verify HW */ 442 if (ark_udm_verify(ark->udm.v)) 443 return -1; 444 if (ark_ddm_verify(ark->ddm.v)) 445 return -1; 446 447 /* UDM */ 448 if (ark_udm_reset(ark->udm.v)) { 449 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 450 return -1; 451 } 452 /* Keep in reset until the MPU are cleared */ 453 454 /* MPU reset */ 455 mpu = ark->mpurx.v; 456 num_q = ark_api_num_queues(mpu); 457 ark->rx_queues = num_q; 458 for (i = 0; i < num_q; i++) { 459 ark_mpu_reset(mpu); 460 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 461 } 462 463 ark_udm_stop(ark->udm.v, 0); 464 ark_udm_configure(ark->udm.v, 465 RTE_PKTMBUF_HEADROOM, 466 RTE_MBUF_DEFAULT_DATAROOM, 467 ARK_RX_WRITE_TIME_NS); 468 ark_udm_stats_reset(ark->udm.v); 469 ark_udm_stop(ark->udm.v, 0); 470 471 /* TX -- DDM */ 472 if (ark_ddm_stop(ark->ddm.v, 1)) 473 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 474 475 mpu = ark->mputx.v; 476 num_q = ark_api_num_queues(mpu); 477 ark->tx_queues = num_q; 478 for (i = 0; i < num_q; i++) { 479 ark_mpu_reset(mpu); 480 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 481 } 482 483 ark_ddm_reset(ark->ddm.v); 484 ark_ddm_stats_reset(ark->ddm.v); 485 486 ark_ddm_stop(ark->ddm.v, 0); 487 ark_rqp_stats_reset(ark->rqpacing); 488 489 return 0; 490 } 491 492 static int 493 eth_ark_dev_uninit(struct rte_eth_dev *dev) 494 { 495 struct ark_adapter *ark = dev->data->dev_private; 496 497 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 498 return 0; 499 500 if (ark->user_ext.dev_uninit) 501 ark->user_ext.dev_uninit(dev, 502 ark->user_data[dev->data->port_id]); 503 504 ark_pktgen_uninit(ark->pg); 505 ark_pktchkr_uninit(ark->pc); 506 507 dev->dev_ops = NULL; 508 dev->rx_pkt_burst = NULL; 509 dev->tx_pkt_burst = NULL; 510 return 0; 511 } 512 513 static int 514 eth_ark_dev_configure(struct rte_eth_dev *dev) 515 { 516 PMD_FUNC_LOG(DEBUG, "\n"); 517 struct ark_adapter *ark = dev->data->dev_private; 518 519 eth_ark_dev_set_link_up(dev); 520 if (ark->user_ext.dev_configure) 521 return ark->user_ext.dev_configure(dev, 522 ark->user_data[dev->data->port_id]); 523 return 0; 524 } 525 526 static void * 527 delay_pg_start(void *arg) 528 { 529 struct ark_adapter *ark = (struct ark_adapter *)arg; 530 531 /* This function is used exclusively for regression testing, We 532 * perform a blind sleep here to ensure that the external test 533 * application has time to setup the test before we generate packets 534 */ 535 usleep(100000); 536 ark_pktgen_run(ark->pg); 537 return NULL; 538 } 539 540 static int 541 eth_ark_dev_start(struct rte_eth_dev *dev) 542 { 543 struct ark_adapter *ark = dev->data->dev_private; 544 int i; 545 546 PMD_FUNC_LOG(DEBUG, "\n"); 547 548 /* RX Side */ 549 /* start UDM */ 550 ark_udm_start(ark->udm.v); 551 552 for (i = 0; i < dev->data->nb_rx_queues; i++) 553 eth_ark_rx_start_queue(dev, i); 554 555 /* TX Side */ 556 for (i = 0; i < dev->data->nb_tx_queues; i++) 557 eth_ark_tx_queue_start(dev, i); 558 559 /* start DDM */ 560 ark_ddm_start(ark->ddm.v); 561 562 ark->started = 1; 563 /* set xmit and receive function */ 564 dev->rx_pkt_burst = ð_ark_recv_pkts; 565 dev->tx_pkt_burst = ð_ark_xmit_pkts; 566 567 if (ark->start_pg) 568 ark_pktchkr_run(ark->pc); 569 570 if (ark->start_pg && (dev->data->port_id == 0)) { 571 pthread_t thread; 572 573 /* Delay packet generatpr start allow the hardware to be ready 574 * This is only used for sanity checking with internal generator 575 */ 576 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 577 PMD_DRV_LOG(ERR, "Could not create pktgen " 578 "starter thread\n"); 579 return -1; 580 } 581 } 582 583 if (ark->user_ext.dev_start) 584 ark->user_ext.dev_start(dev, 585 ark->user_data[dev->data->port_id]); 586 587 return 0; 588 } 589 590 static void 591 eth_ark_dev_stop(struct rte_eth_dev *dev) 592 { 593 uint16_t i; 594 int status; 595 struct ark_adapter *ark = dev->data->dev_private; 596 struct ark_mpu_t *mpu; 597 598 PMD_FUNC_LOG(DEBUG, "\n"); 599 600 if (ark->started == 0) 601 return; 602 ark->started = 0; 603 604 /* Stop the extension first */ 605 if (ark->user_ext.dev_stop) 606 ark->user_ext.dev_stop(dev, 607 ark->user_data[dev->data->port_id]); 608 609 /* Stop the packet generator */ 610 if (ark->start_pg) 611 ark_pktgen_pause(ark->pg); 612 613 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 614 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 615 616 /* STOP TX Side */ 617 for (i = 0; i < dev->data->nb_tx_queues; i++) { 618 status = eth_ark_tx_queue_stop(dev, i); 619 if (status != 0) { 620 uint16_t port = dev->data->port_id; 621 PMD_DRV_LOG(ERR, 622 "tx_queue stop anomaly" 623 " port %u, queue %u\n", 624 port, i); 625 } 626 } 627 628 /* Stop DDM */ 629 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 630 for (i = 0; i < 10; i++) { 631 status = ark_ddm_stop(ark->ddm.v, 1); 632 if (status == 0) 633 break; 634 } 635 if (status || i != 0) { 636 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 637 " %d iter: %u. (%s)\n", 638 status, 639 i, 640 __func__); 641 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 642 643 mpu = ark->mputx.v; 644 for (i = 0; i < ark->tx_queues; i++) { 645 ark_mpu_dump(mpu, "DDM failure dump", i); 646 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 647 } 648 } 649 650 /* STOP RX Side */ 651 /* Stop UDM multiple tries attempted */ 652 for (i = 0; i < 10; i++) { 653 status = ark_udm_stop(ark->udm.v, 1); 654 if (status == 0) 655 break; 656 } 657 if (status || i != 0) { 658 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 659 status, i, __func__); 660 ark_udm_dump(ark->udm.v, "Stop anomaly"); 661 662 mpu = ark->mpurx.v; 663 for (i = 0; i < ark->rx_queues; i++) { 664 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 665 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 666 } 667 } 668 669 ark_udm_dump_stats(ark->udm.v, "Post stop"); 670 ark_udm_dump_perf(ark->udm.v, "Post stop"); 671 672 for (i = 0; i < dev->data->nb_rx_queues; i++) 673 eth_ark_rx_dump_queue(dev, i, __func__); 674 675 /* Stop the packet checker if it is running */ 676 if (ark->start_pg) { 677 ark_pktchkr_dump_stats(ark->pc); 678 ark_pktchkr_stop(ark->pc); 679 } 680 } 681 682 static void 683 eth_ark_dev_close(struct rte_eth_dev *dev) 684 { 685 struct ark_adapter *ark = dev->data->dev_private; 686 uint16_t i; 687 688 if (ark->user_ext.dev_close) 689 ark->user_ext.dev_close(dev, 690 ark->user_data[dev->data->port_id]); 691 692 eth_ark_dev_stop(dev); 693 eth_ark_udm_force_close(dev); 694 695 /* 696 * TODO This should only be called once for the device during shutdown 697 */ 698 ark_rqp_dump(ark->rqpacing); 699 700 for (i = 0; i < dev->data->nb_tx_queues; i++) { 701 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 702 dev->data->tx_queues[i] = 0; 703 } 704 705 for (i = 0; i < dev->data->nb_rx_queues; i++) { 706 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 707 dev->data->rx_queues[i] = 0; 708 } 709 } 710 711 static void 712 eth_ark_dev_info_get(struct rte_eth_dev *dev, 713 struct rte_eth_dev_info *dev_info) 714 { 715 struct ark_adapter *ark = dev->data->dev_private; 716 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 717 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 718 uint16_t ports = ark->num_ports; 719 720 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 721 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 722 723 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 724 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 725 726 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 727 .nb_max = ARK_RX_MAX_QUEUE, 728 .nb_min = ARK_RX_MIN_QUEUE, 729 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 730 731 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 732 .nb_max = ARK_TX_MAX_QUEUE, 733 .nb_min = ARK_TX_MIN_QUEUE, 734 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 735 736 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 737 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 738 ETH_LINK_SPEED_10G | 739 ETH_LINK_SPEED_25G | 740 ETH_LINK_SPEED_40G | 741 ETH_LINK_SPEED_50G | 742 ETH_LINK_SPEED_100G); 743 } 744 745 static int 746 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 747 { 748 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 749 dev->data->dev_link.link_status); 750 struct ark_adapter *ark = dev->data->dev_private; 751 752 if (ark->user_ext.link_update) { 753 return ark->user_ext.link_update 754 (dev, wait_to_complete, 755 ark->user_data[dev->data->port_id]); 756 } 757 return 0; 758 } 759 760 static int 761 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 762 { 763 dev->data->dev_link.link_status = 1; 764 struct ark_adapter *ark = dev->data->dev_private; 765 766 if (ark->user_ext.dev_set_link_up) 767 return ark->user_ext.dev_set_link_up(dev, 768 ark->user_data[dev->data->port_id]); 769 return 0; 770 } 771 772 static int 773 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 774 { 775 dev->data->dev_link.link_status = 0; 776 struct ark_adapter *ark = dev->data->dev_private; 777 778 if (ark->user_ext.dev_set_link_down) 779 return ark->user_ext.dev_set_link_down(dev, 780 ark->user_data[dev->data->port_id]); 781 return 0; 782 } 783 784 static int 785 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 786 { 787 uint16_t i; 788 struct ark_adapter *ark = dev->data->dev_private; 789 790 stats->ipackets = 0; 791 stats->ibytes = 0; 792 stats->opackets = 0; 793 stats->obytes = 0; 794 stats->imissed = 0; 795 stats->oerrors = 0; 796 797 for (i = 0; i < dev->data->nb_tx_queues; i++) 798 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 799 for (i = 0; i < dev->data->nb_rx_queues; i++) 800 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 801 if (ark->user_ext.stats_get) 802 return ark->user_ext.stats_get(dev, stats, 803 ark->user_data[dev->data->port_id]); 804 return 0; 805 } 806 807 static void 808 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 809 { 810 uint16_t i; 811 struct ark_adapter *ark = dev->data->dev_private; 812 813 for (i = 0; i < dev->data->nb_tx_queues; i++) 814 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 815 for (i = 0; i < dev->data->nb_rx_queues; i++) 816 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 817 if (ark->user_ext.stats_reset) 818 ark->user_ext.stats_reset(dev, 819 ark->user_data[dev->data->port_id]); 820 } 821 822 static int 823 eth_ark_macaddr_add(struct rte_eth_dev *dev, 824 struct rte_ether_addr *mac_addr, 825 uint32_t index, 826 uint32_t pool) 827 { 828 struct ark_adapter *ark = dev->data->dev_private; 829 830 if (ark->user_ext.mac_addr_add) { 831 ark->user_ext.mac_addr_add(dev, 832 mac_addr, 833 index, 834 pool, 835 ark->user_data[dev->data->port_id]); 836 return 0; 837 } 838 return -ENOTSUP; 839 } 840 841 static void 842 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 843 { 844 struct ark_adapter *ark = dev->data->dev_private; 845 846 if (ark->user_ext.mac_addr_remove) 847 ark->user_ext.mac_addr_remove(dev, index, 848 ark->user_data[dev->data->port_id]); 849 } 850 851 static int 852 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 853 struct rte_ether_addr *mac_addr) 854 { 855 struct ark_adapter *ark = dev->data->dev_private; 856 857 if (ark->user_ext.mac_addr_set) { 858 ark->user_ext.mac_addr_set(dev, mac_addr, 859 ark->user_data[dev->data->port_id]); 860 return 0; 861 } 862 return -ENOTSUP; 863 } 864 865 static int 866 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 867 { 868 struct ark_adapter *ark = dev->data->dev_private; 869 870 if (ark->user_ext.set_mtu) 871 return ark->user_ext.set_mtu(dev, size, 872 ark->user_data[dev->data->port_id]); 873 874 return -ENOTSUP; 875 } 876 877 static inline int 878 process_pktdir_arg(const char *key, const char *value, 879 void *extra_args) 880 { 881 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 882 key, value); 883 struct ark_adapter *ark = 884 (struct ark_adapter *)extra_args; 885 886 ark->pkt_dir_v = strtol(value, NULL, 16); 887 PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 888 return 0; 889 } 890 891 static inline int 892 process_file_args(const char *key, const char *value, void *extra_args) 893 { 894 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 895 key, value); 896 char *args = (char *)extra_args; 897 898 /* Open the configuration file */ 899 FILE *file = fopen(value, "r"); 900 char line[ARK_MAX_ARG_LEN]; 901 int size = 0; 902 int first = 1; 903 904 if (file == NULL) { 905 PMD_DRV_LOG(ERR, "Unable to open " 906 "config file %s\n", value); 907 return -1; 908 } 909 910 while (fgets(line, sizeof(line), file)) { 911 size += strlen(line); 912 if (size >= ARK_MAX_ARG_LEN) { 913 PMD_DRV_LOG(ERR, "Unable to parse file %s args, " 914 "parameter list is too long\n", value); 915 fclose(file); 916 return -1; 917 } 918 if (first) { 919 strncpy(args, line, ARK_MAX_ARG_LEN); 920 first = 0; 921 } else { 922 strncat(args, line, ARK_MAX_ARG_LEN); 923 } 924 } 925 PMD_FUNC_LOG(DEBUG, "file = %s\n", args); 926 fclose(file); 927 return 0; 928 } 929 930 static int 931 eth_ark_check_args(struct ark_adapter *ark, const char *params) 932 { 933 struct rte_kvargs *kvlist; 934 unsigned int k_idx; 935 struct rte_kvargs_pair *pair = NULL; 936 int ret = -1; 937 938 kvlist = rte_kvargs_parse(params, valid_arguments); 939 if (kvlist == NULL) 940 return 0; 941 942 ark->pkt_gen_args[0] = 0; 943 ark->pkt_chkr_args[0] = 0; 944 945 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 946 pair = &kvlist->pairs[k_idx]; 947 PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 948 pair->key, 949 pair->value); 950 } 951 952 if (rte_kvargs_process(kvlist, 953 ARK_PKTDIR_ARG, 954 &process_pktdir_arg, 955 ark) != 0) { 956 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 957 goto free_kvlist; 958 } 959 960 if (rte_kvargs_process(kvlist, 961 ARK_PKTGEN_ARG, 962 &process_file_args, 963 ark->pkt_gen_args) != 0) { 964 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 965 goto free_kvlist; 966 } 967 968 if (rte_kvargs_process(kvlist, 969 ARK_PKTCHKR_ARG, 970 &process_file_args, 971 ark->pkt_chkr_args) != 0) { 972 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 973 goto free_kvlist; 974 } 975 976 PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 977 /* Setup the packet director */ 978 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 979 980 /* Setup the packet generator */ 981 if (ark->pkt_gen_args[0]) { 982 PMD_DRV_LOG(INFO, "Setting up the packet generator\n"); 983 ark_pktgen_parse(ark->pkt_gen_args); 984 ark_pktgen_reset(ark->pg); 985 ark_pktgen_setup(ark->pg); 986 ark->start_pg = 1; 987 } 988 989 /* Setup the packet checker */ 990 if (ark->pkt_chkr_args[0]) { 991 ark_pktchkr_parse(ark->pkt_chkr_args); 992 ark_pktchkr_setup(ark->pc); 993 } 994 995 ret = 0; 996 997 free_kvlist: 998 rte_kvargs_free(kvlist); 999 1000 return ret; 1001 } 1002 1003 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1004 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1005 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1006 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1007 ARK_PKTGEN_ARG "=<filename> " 1008 ARK_PKTCHKR_ARG "=<filename> " 1009 ARK_PKTDIR_ARG "=<bitmap>"); 1010