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 int 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 int 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 /* Let rte_eth_dev_close() release the port resources */ 265 dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; 266 267 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 268 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 269 270 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 271 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 272 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 273 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 274 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 275 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 276 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 277 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 278 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 279 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 280 281 ark->rqpacing = 282 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 283 ark->started = 0; 284 285 PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 286 ark->sysctrl.t32[4], 287 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 288 PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n", 289 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 290 291 /* If HW sanity test fails, return an error */ 292 if (ark->sysctrl.t32[4] != 0xcafef00d) { 293 PMD_DRV_LOG(ERR, 294 "HW Sanity test has failed, expected constant" 295 " 0x%x, read 0x%x (%s)\n", 296 0xcafef00d, 297 ark->sysctrl.t32[4], __func__); 298 return -1; 299 } 300 if (ark->sysctrl.t32[3] != 0) { 301 if (ark_rqp_lasped(ark->rqpacing)) { 302 PMD_DRV_LOG(ERR, "Arkville Evaluation System - " 303 "Timer has Expired\n"); 304 return -1; 305 } 306 PMD_DRV_LOG(WARNING, "Arkville Evaluation System - " 307 "Timer is Running\n"); 308 } 309 310 PMD_DRV_LOG(INFO, 311 "HW Sanity test has PASSED, expected constant" 312 " 0x%x, read 0x%x (%s)\n", 313 0xcafef00d, ark->sysctrl.t32[4], __func__); 314 315 /* We are a single function multi-port device. */ 316 ret = ark_config_device(dev); 317 if (ret) 318 return -1; 319 320 dev->dev_ops = &ark_eth_dev_ops; 321 322 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 323 if (!dev->data->mac_addrs) { 324 PMD_DRV_LOG(ERR, 325 "Failed to allocated memory for storing mac address" 326 ); 327 } 328 329 if (ark->user_ext.dev_init) { 330 ark->user_data[dev->data->port_id] = 331 ark->user_ext.dev_init(dev, ark->a_bar, 0); 332 if (!ark->user_data[dev->data->port_id]) { 333 PMD_DRV_LOG(INFO, 334 "Failed to initialize PMD extension!" 335 " continuing without it\n"); 336 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 337 dlclose(ark->d_handle); 338 } 339 } 340 341 if (pci_dev->device.devargs) 342 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 343 else 344 PMD_DRV_LOG(INFO, "No Device args found\n"); 345 346 if (ret) 347 goto error; 348 /* 349 * We will create additional devices based on the number of requested 350 * ports 351 */ 352 if (ark->user_ext.dev_get_port_count) 353 port_count = 354 ark->user_ext.dev_get_port_count(dev, 355 ark->user_data[dev->data->port_id]); 356 ark->num_ports = port_count; 357 358 for (p = 0; p < port_count; p++) { 359 struct rte_eth_dev *eth_dev; 360 char name[RTE_ETH_NAME_MAX_LEN]; 361 362 snprintf(name, sizeof(name), "arketh%d", 363 dev->data->port_id + p); 364 365 if (p == 0) { 366 /* First port is already allocated by DPDK */ 367 eth_dev = ark->eth_dev; 368 rte_eth_dev_probing_finish(eth_dev); 369 continue; 370 } 371 372 /* reserve an ethdev entry */ 373 eth_dev = rte_eth_dev_allocate(name); 374 if (!eth_dev) { 375 PMD_DRV_LOG(ERR, 376 "Could not allocate eth_dev for port %d\n", 377 p); 378 goto error; 379 } 380 381 eth_dev->device = &pci_dev->device; 382 eth_dev->data->dev_private = ark; 383 eth_dev->dev_ops = ark->eth_dev->dev_ops; 384 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 385 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 386 387 rte_eth_copy_pci_info(eth_dev, pci_dev); 388 389 eth_dev->data->mac_addrs = rte_zmalloc(name, 390 RTE_ETHER_ADDR_LEN, 0); 391 if (!eth_dev->data->mac_addrs) { 392 PMD_DRV_LOG(ERR, 393 "Memory allocation for MAC failed!" 394 " Exiting.\n"); 395 goto error; 396 } 397 398 if (ark->user_ext.dev_init) { 399 ark->user_data[eth_dev->data->port_id] = 400 ark->user_ext.dev_init(dev, ark->a_bar, p); 401 } 402 403 rte_eth_dev_probing_finish(eth_dev); 404 } 405 406 return ret; 407 408 error: 409 rte_free(dev->data->mac_addrs); 410 dev->data->mac_addrs = NULL; 411 return -1; 412 } 413 414 /* 415 *Initial device configuration when device is opened 416 * setup the DDM, and UDM 417 * Called once per PCIE device 418 */ 419 static int 420 ark_config_device(struct rte_eth_dev *dev) 421 { 422 struct ark_adapter *ark = dev->data->dev_private; 423 uint16_t num_q, i; 424 struct ark_mpu_t *mpu; 425 426 /* 427 * Make sure that the packet director, generator and checker are in a 428 * known state 429 */ 430 ark->start_pg = 0; 431 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 432 if (ark->pg == NULL) 433 return -1; 434 ark_pktgen_reset(ark->pg); 435 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 436 if (ark->pc == NULL) 437 return -1; 438 ark_pktchkr_stop(ark->pc); 439 ark->pd = ark_pktdir_init(ark->pktdir.v); 440 if (ark->pd == NULL) 441 return -1; 442 443 /* Verify HW */ 444 if (ark_udm_verify(ark->udm.v)) 445 return -1; 446 if (ark_ddm_verify(ark->ddm.v)) 447 return -1; 448 449 /* UDM */ 450 if (ark_udm_reset(ark->udm.v)) { 451 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 452 return -1; 453 } 454 /* Keep in reset until the MPU are cleared */ 455 456 /* MPU reset */ 457 mpu = ark->mpurx.v; 458 num_q = ark_api_num_queues(mpu); 459 ark->rx_queues = num_q; 460 for (i = 0; i < num_q; i++) { 461 ark_mpu_reset(mpu); 462 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 463 } 464 465 ark_udm_stop(ark->udm.v, 0); 466 ark_udm_configure(ark->udm.v, 467 RTE_PKTMBUF_HEADROOM, 468 RTE_MBUF_DEFAULT_DATAROOM, 469 ARK_RX_WRITE_TIME_NS); 470 ark_udm_stats_reset(ark->udm.v); 471 ark_udm_stop(ark->udm.v, 0); 472 473 /* TX -- DDM */ 474 if (ark_ddm_stop(ark->ddm.v, 1)) 475 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 476 477 mpu = ark->mputx.v; 478 num_q = ark_api_num_queues(mpu); 479 ark->tx_queues = num_q; 480 for (i = 0; i < num_q; i++) { 481 ark_mpu_reset(mpu); 482 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 483 } 484 485 ark_ddm_reset(ark->ddm.v); 486 ark_ddm_stats_reset(ark->ddm.v); 487 488 ark_ddm_stop(ark->ddm.v, 0); 489 ark_rqp_stats_reset(ark->rqpacing); 490 491 return 0; 492 } 493 494 static int 495 eth_ark_dev_uninit(struct rte_eth_dev *dev) 496 { 497 struct ark_adapter *ark = 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 return 0; 513 } 514 515 static int 516 eth_ark_dev_configure(struct rte_eth_dev *dev) 517 { 518 PMD_FUNC_LOG(DEBUG, "\n"); 519 struct ark_adapter *ark = dev->data->dev_private; 520 521 eth_ark_dev_set_link_up(dev); 522 if (ark->user_ext.dev_configure) 523 return ark->user_ext.dev_configure(dev, 524 ark->user_data[dev->data->port_id]); 525 return 0; 526 } 527 528 static void * 529 delay_pg_start(void *arg) 530 { 531 struct ark_adapter *ark = (struct ark_adapter *)arg; 532 533 /* This function is used exclusively for regression testing, We 534 * perform a blind sleep here to ensure that the external test 535 * application has time to setup the test before we generate packets 536 */ 537 usleep(100000); 538 ark_pktgen_run(ark->pg); 539 return NULL; 540 } 541 542 static int 543 eth_ark_dev_start(struct rte_eth_dev *dev) 544 { 545 struct ark_adapter *ark = dev->data->dev_private; 546 int i; 547 548 PMD_FUNC_LOG(DEBUG, "\n"); 549 550 /* RX Side */ 551 /* start UDM */ 552 ark_udm_start(ark->udm.v); 553 554 for (i = 0; i < dev->data->nb_rx_queues; i++) 555 eth_ark_rx_start_queue(dev, i); 556 557 /* TX Side */ 558 for (i = 0; i < dev->data->nb_tx_queues; i++) 559 eth_ark_tx_queue_start(dev, i); 560 561 /* start DDM */ 562 ark_ddm_start(ark->ddm.v); 563 564 ark->started = 1; 565 /* set xmit and receive function */ 566 dev->rx_pkt_burst = ð_ark_recv_pkts; 567 dev->tx_pkt_burst = ð_ark_xmit_pkts; 568 569 if (ark->start_pg) 570 ark_pktchkr_run(ark->pc); 571 572 if (ark->start_pg && (dev->data->port_id == 0)) { 573 pthread_t thread; 574 575 /* Delay packet generatpr start allow the hardware to be ready 576 * This is only used for sanity checking with internal generator 577 */ 578 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 579 PMD_DRV_LOG(ERR, "Could not create pktgen " 580 "starter thread\n"); 581 return -1; 582 } 583 } 584 585 if (ark->user_ext.dev_start) 586 ark->user_ext.dev_start(dev, 587 ark->user_data[dev->data->port_id]); 588 589 return 0; 590 } 591 592 static void 593 eth_ark_dev_stop(struct rte_eth_dev *dev) 594 { 595 uint16_t i; 596 int status; 597 struct ark_adapter *ark = dev->data->dev_private; 598 struct ark_mpu_t *mpu; 599 600 PMD_FUNC_LOG(DEBUG, "\n"); 601 602 if (ark->started == 0) 603 return; 604 ark->started = 0; 605 606 /* Stop the extension first */ 607 if (ark->user_ext.dev_stop) 608 ark->user_ext.dev_stop(dev, 609 ark->user_data[dev->data->port_id]); 610 611 /* Stop the packet generator */ 612 if (ark->start_pg) 613 ark_pktgen_pause(ark->pg); 614 615 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 616 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 617 618 /* STOP TX Side */ 619 for (i = 0; i < dev->data->nb_tx_queues; i++) { 620 status = eth_ark_tx_queue_stop(dev, i); 621 if (status != 0) { 622 uint16_t port = dev->data->port_id; 623 PMD_DRV_LOG(ERR, 624 "tx_queue stop anomaly" 625 " port %u, queue %u\n", 626 port, i); 627 } 628 } 629 630 /* Stop DDM */ 631 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 632 for (i = 0; i < 10; i++) { 633 status = ark_ddm_stop(ark->ddm.v, 1); 634 if (status == 0) 635 break; 636 } 637 if (status || i != 0) { 638 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 639 " %d iter: %u. (%s)\n", 640 status, 641 i, 642 __func__); 643 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 644 645 mpu = ark->mputx.v; 646 for (i = 0; i < ark->tx_queues; i++) { 647 ark_mpu_dump(mpu, "DDM failure dump", i); 648 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 649 } 650 } 651 652 /* STOP RX Side */ 653 /* Stop UDM multiple tries attempted */ 654 for (i = 0; i < 10; i++) { 655 status = ark_udm_stop(ark->udm.v, 1); 656 if (status == 0) 657 break; 658 } 659 if (status || i != 0) { 660 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 661 status, i, __func__); 662 ark_udm_dump(ark->udm.v, "Stop anomaly"); 663 664 mpu = ark->mpurx.v; 665 for (i = 0; i < ark->rx_queues; i++) { 666 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 667 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 668 } 669 } 670 671 ark_udm_dump_stats(ark->udm.v, "Post stop"); 672 ark_udm_dump_perf(ark->udm.v, "Post stop"); 673 674 for (i = 0; i < dev->data->nb_rx_queues; i++) 675 eth_ark_rx_dump_queue(dev, i, __func__); 676 677 /* Stop the packet checker if it is running */ 678 if (ark->start_pg) { 679 ark_pktchkr_dump_stats(ark->pc); 680 ark_pktchkr_stop(ark->pc); 681 } 682 } 683 684 static void 685 eth_ark_dev_close(struct rte_eth_dev *dev) 686 { 687 struct ark_adapter *ark = dev->data->dev_private; 688 uint16_t i; 689 690 if (ark->user_ext.dev_close) 691 ark->user_ext.dev_close(dev, 692 ark->user_data[dev->data->port_id]); 693 694 eth_ark_dev_stop(dev); 695 eth_ark_udm_force_close(dev); 696 697 /* 698 * TODO This should only be called once for the device during shutdown 699 */ 700 ark_rqp_dump(ark->rqpacing); 701 702 for (i = 0; i < dev->data->nb_tx_queues; i++) { 703 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 704 dev->data->tx_queues[i] = 0; 705 } 706 707 for (i = 0; i < dev->data->nb_rx_queues; i++) { 708 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 709 dev->data->rx_queues[i] = 0; 710 } 711 712 rte_free(dev->data->mac_addrs); 713 dev->data->mac_addrs = 0; 714 } 715 716 static int 717 eth_ark_dev_info_get(struct rte_eth_dev *dev, 718 struct rte_eth_dev_info *dev_info) 719 { 720 struct ark_adapter *ark = dev->data->dev_private; 721 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 722 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 723 uint16_t ports = ark->num_ports; 724 725 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 726 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 727 728 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 729 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 730 731 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 732 .nb_max = ARK_RX_MAX_QUEUE, 733 .nb_min = ARK_RX_MIN_QUEUE, 734 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 735 736 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 737 .nb_max = ARK_TX_MAX_QUEUE, 738 .nb_min = ARK_TX_MIN_QUEUE, 739 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 740 741 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 742 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 743 ETH_LINK_SPEED_10G | 744 ETH_LINK_SPEED_25G | 745 ETH_LINK_SPEED_40G | 746 ETH_LINK_SPEED_50G | 747 ETH_LINK_SPEED_100G); 748 749 return 0; 750 } 751 752 static int 753 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 754 { 755 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 756 dev->data->dev_link.link_status); 757 struct ark_adapter *ark = dev->data->dev_private; 758 759 if (ark->user_ext.link_update) { 760 return ark->user_ext.link_update 761 (dev, wait_to_complete, 762 ark->user_data[dev->data->port_id]); 763 } 764 return 0; 765 } 766 767 static int 768 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 769 { 770 dev->data->dev_link.link_status = 1; 771 struct ark_adapter *ark = dev->data->dev_private; 772 773 if (ark->user_ext.dev_set_link_up) 774 return ark->user_ext.dev_set_link_up(dev, 775 ark->user_data[dev->data->port_id]); 776 return 0; 777 } 778 779 static int 780 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 781 { 782 dev->data->dev_link.link_status = 0; 783 struct ark_adapter *ark = dev->data->dev_private; 784 785 if (ark->user_ext.dev_set_link_down) 786 return ark->user_ext.dev_set_link_down(dev, 787 ark->user_data[dev->data->port_id]); 788 return 0; 789 } 790 791 static int 792 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 793 { 794 uint16_t i; 795 struct ark_adapter *ark = dev->data->dev_private; 796 797 stats->ipackets = 0; 798 stats->ibytes = 0; 799 stats->opackets = 0; 800 stats->obytes = 0; 801 stats->imissed = 0; 802 stats->oerrors = 0; 803 804 for (i = 0; i < dev->data->nb_tx_queues; i++) 805 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 806 for (i = 0; i < dev->data->nb_rx_queues; i++) 807 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 808 if (ark->user_ext.stats_get) 809 return ark->user_ext.stats_get(dev, stats, 810 ark->user_data[dev->data->port_id]); 811 return 0; 812 } 813 814 static int 815 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 816 { 817 uint16_t i; 818 struct ark_adapter *ark = dev->data->dev_private; 819 820 for (i = 0; i < dev->data->nb_tx_queues; i++) 821 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 822 for (i = 0; i < dev->data->nb_rx_queues; i++) 823 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 824 if (ark->user_ext.stats_reset) 825 ark->user_ext.stats_reset(dev, 826 ark->user_data[dev->data->port_id]); 827 828 return 0; 829 } 830 831 static int 832 eth_ark_macaddr_add(struct rte_eth_dev *dev, 833 struct rte_ether_addr *mac_addr, 834 uint32_t index, 835 uint32_t pool) 836 { 837 struct ark_adapter *ark = dev->data->dev_private; 838 839 if (ark->user_ext.mac_addr_add) { 840 ark->user_ext.mac_addr_add(dev, 841 mac_addr, 842 index, 843 pool, 844 ark->user_data[dev->data->port_id]); 845 return 0; 846 } 847 return -ENOTSUP; 848 } 849 850 static void 851 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 852 { 853 struct ark_adapter *ark = dev->data->dev_private; 854 855 if (ark->user_ext.mac_addr_remove) 856 ark->user_ext.mac_addr_remove(dev, index, 857 ark->user_data[dev->data->port_id]); 858 } 859 860 static int 861 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 862 struct rte_ether_addr *mac_addr) 863 { 864 struct ark_adapter *ark = dev->data->dev_private; 865 866 if (ark->user_ext.mac_addr_set) { 867 ark->user_ext.mac_addr_set(dev, mac_addr, 868 ark->user_data[dev->data->port_id]); 869 return 0; 870 } 871 return -ENOTSUP; 872 } 873 874 static int 875 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 876 { 877 struct ark_adapter *ark = dev->data->dev_private; 878 879 if (ark->user_ext.set_mtu) 880 return ark->user_ext.set_mtu(dev, size, 881 ark->user_data[dev->data->port_id]); 882 883 return -ENOTSUP; 884 } 885 886 static inline int 887 process_pktdir_arg(const char *key, const char *value, 888 void *extra_args) 889 { 890 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 891 key, value); 892 struct ark_adapter *ark = 893 (struct ark_adapter *)extra_args; 894 895 ark->pkt_dir_v = strtol(value, NULL, 16); 896 PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 897 return 0; 898 } 899 900 static inline int 901 process_file_args(const char *key, const char *value, void *extra_args) 902 { 903 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 904 key, value); 905 char *args = (char *)extra_args; 906 907 /* Open the configuration file */ 908 FILE *file = fopen(value, "r"); 909 char line[ARK_MAX_ARG_LEN]; 910 int size = 0; 911 int first = 1; 912 913 if (file == NULL) { 914 PMD_DRV_LOG(ERR, "Unable to open " 915 "config file %s\n", value); 916 return -1; 917 } 918 919 while (fgets(line, sizeof(line), file)) { 920 size += strlen(line); 921 if (size >= ARK_MAX_ARG_LEN) { 922 PMD_DRV_LOG(ERR, "Unable to parse file %s args, " 923 "parameter list is too long\n", value); 924 fclose(file); 925 return -1; 926 } 927 if (first) { 928 strncpy(args, line, ARK_MAX_ARG_LEN); 929 first = 0; 930 } else { 931 strncat(args, line, ARK_MAX_ARG_LEN); 932 } 933 } 934 PMD_FUNC_LOG(DEBUG, "file = %s\n", args); 935 fclose(file); 936 return 0; 937 } 938 939 static int 940 eth_ark_check_args(struct ark_adapter *ark, const char *params) 941 { 942 struct rte_kvargs *kvlist; 943 unsigned int k_idx; 944 struct rte_kvargs_pair *pair = NULL; 945 int ret = -1; 946 947 kvlist = rte_kvargs_parse(params, valid_arguments); 948 if (kvlist == NULL) 949 return 0; 950 951 ark->pkt_gen_args[0] = 0; 952 ark->pkt_chkr_args[0] = 0; 953 954 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 955 pair = &kvlist->pairs[k_idx]; 956 PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 957 pair->key, 958 pair->value); 959 } 960 961 if (rte_kvargs_process(kvlist, 962 ARK_PKTDIR_ARG, 963 &process_pktdir_arg, 964 ark) != 0) { 965 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 966 goto free_kvlist; 967 } 968 969 if (rte_kvargs_process(kvlist, 970 ARK_PKTGEN_ARG, 971 &process_file_args, 972 ark->pkt_gen_args) != 0) { 973 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 974 goto free_kvlist; 975 } 976 977 if (rte_kvargs_process(kvlist, 978 ARK_PKTCHKR_ARG, 979 &process_file_args, 980 ark->pkt_chkr_args) != 0) { 981 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 982 goto free_kvlist; 983 } 984 985 PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 986 /* Setup the packet director */ 987 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 988 989 /* Setup the packet generator */ 990 if (ark->pkt_gen_args[0]) { 991 PMD_DRV_LOG(INFO, "Setting up the packet generator\n"); 992 ark_pktgen_parse(ark->pkt_gen_args); 993 ark_pktgen_reset(ark->pg); 994 ark_pktgen_setup(ark->pg); 995 ark->start_pg = 1; 996 } 997 998 /* Setup the packet checker */ 999 if (ark->pkt_chkr_args[0]) { 1000 ark_pktchkr_parse(ark->pkt_chkr_args); 1001 ark_pktchkr_setup(ark->pc); 1002 } 1003 1004 ret = 0; 1005 1006 free_kvlist: 1007 rte_kvargs_free(kvlist); 1008 1009 return ret; 1010 } 1011 1012 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1013 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1014 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1015 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1016 ARK_PKTGEN_ARG "=<filename> " 1017 ARK_PKTCHKR_ARG "=<filename> " 1018 ARK_PKTDIR_ARG "=<bitmap>"); 1019 RTE_LOG_REGISTER(ark_logtype, pmd.net.ark, NOTICE); 1020