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 dev->dev_ops = &ark_eth_dev_ops; 317 318 dev->data->mac_addrs = rte_zmalloc("ark", ETHER_ADDR_LEN, 0); 319 if (!dev->data->mac_addrs) { 320 PMD_DRV_LOG(ERR, 321 "Failed to allocated memory for storing mac address" 322 ); 323 } 324 325 if (ark->user_ext.dev_init) { 326 ark->user_data[dev->data->port_id] = 327 ark->user_ext.dev_init(dev, ark->a_bar, 0); 328 if (!ark->user_data[dev->data->port_id]) { 329 PMD_DRV_LOG(INFO, 330 "Failed to initialize PMD extension!" 331 " continuing without it\n"); 332 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 333 dlclose(ark->d_handle); 334 } 335 } 336 337 if (pci_dev->device.devargs) 338 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 339 else 340 PMD_DRV_LOG(INFO, "No Device args found\n"); 341 342 if (ret) 343 goto error; 344 /* 345 * We will create additional devices based on the number of requested 346 * ports 347 */ 348 if (ark->user_ext.dev_get_port_count) 349 port_count = 350 ark->user_ext.dev_get_port_count(dev, 351 ark->user_data[dev->data->port_id]); 352 ark->num_ports = port_count; 353 354 for (p = 0; p < port_count; p++) { 355 struct rte_eth_dev *eth_dev; 356 char name[RTE_ETH_NAME_MAX_LEN]; 357 358 snprintf(name, sizeof(name), "arketh%d", 359 dev->data->port_id + p); 360 361 if (p == 0) { 362 /* First port is already allocated by DPDK */ 363 eth_dev = ark->eth_dev; 364 rte_eth_dev_probing_finish(eth_dev); 365 continue; 366 } 367 368 /* reserve an ethdev entry */ 369 eth_dev = rte_eth_dev_allocate(name); 370 if (!eth_dev) { 371 PMD_DRV_LOG(ERR, 372 "Could not allocate eth_dev for port %d\n", 373 p); 374 goto error; 375 } 376 377 eth_dev->device = &pci_dev->device; 378 eth_dev->data->dev_private = ark; 379 eth_dev->dev_ops = ark->eth_dev->dev_ops; 380 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 381 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 382 383 rte_eth_copy_pci_info(eth_dev, pci_dev); 384 385 eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0); 386 if (!eth_dev->data->mac_addrs) { 387 PMD_DRV_LOG(ERR, 388 "Memory allocation for MAC failed!" 389 " Exiting.\n"); 390 goto error; 391 } 392 393 if (ark->user_ext.dev_init) { 394 ark->user_data[eth_dev->data->port_id] = 395 ark->user_ext.dev_init(dev, ark->a_bar, p); 396 } 397 398 rte_eth_dev_probing_finish(eth_dev); 399 } 400 401 return ret; 402 403 error: 404 if (dev->data->mac_addrs) 405 rte_free(dev->data->mac_addrs); 406 return -1; 407 } 408 409 /* 410 *Initial device configuration when device is opened 411 * setup the DDM, and UDM 412 * Called once per PCIE device 413 */ 414 static int 415 ark_config_device(struct rte_eth_dev *dev) 416 { 417 struct ark_adapter *ark = 418 (struct ark_adapter *)dev->data->dev_private; 419 uint16_t num_q, i; 420 struct ark_mpu_t *mpu; 421 422 /* 423 * Make sure that the packet director, generator and checker are in a 424 * known state 425 */ 426 ark->start_pg = 0; 427 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 428 if (ark->pg == NULL) 429 return -1; 430 ark_pktgen_reset(ark->pg); 431 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 432 if (ark->pc == NULL) 433 return -1; 434 ark_pktchkr_stop(ark->pc); 435 ark->pd = ark_pktdir_init(ark->pktdir.v); 436 if (ark->pd == NULL) 437 return -1; 438 439 /* Verify HW */ 440 if (ark_udm_verify(ark->udm.v)) 441 return -1; 442 if (ark_ddm_verify(ark->ddm.v)) 443 return -1; 444 445 /* UDM */ 446 if (ark_udm_reset(ark->udm.v)) { 447 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 448 return -1; 449 } 450 /* Keep in reset until the MPU are cleared */ 451 452 /* MPU reset */ 453 mpu = ark->mpurx.v; 454 num_q = ark_api_num_queues(mpu); 455 ark->rx_queues = num_q; 456 for (i = 0; i < num_q; i++) { 457 ark_mpu_reset(mpu); 458 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 459 } 460 461 ark_udm_stop(ark->udm.v, 0); 462 ark_udm_configure(ark->udm.v, 463 RTE_PKTMBUF_HEADROOM, 464 RTE_MBUF_DEFAULT_DATAROOM, 465 ARK_RX_WRITE_TIME_NS); 466 ark_udm_stats_reset(ark->udm.v); 467 ark_udm_stop(ark->udm.v, 0); 468 469 /* TX -- DDM */ 470 if (ark_ddm_stop(ark->ddm.v, 1)) 471 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 472 473 mpu = ark->mputx.v; 474 num_q = ark_api_num_queues(mpu); 475 ark->tx_queues = num_q; 476 for (i = 0; i < num_q; i++) { 477 ark_mpu_reset(mpu); 478 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 479 } 480 481 ark_ddm_reset(ark->ddm.v); 482 ark_ddm_stats_reset(ark->ddm.v); 483 484 ark_ddm_stop(ark->ddm.v, 0); 485 ark_rqp_stats_reset(ark->rqpacing); 486 487 return 0; 488 } 489 490 static int 491 eth_ark_dev_uninit(struct rte_eth_dev *dev) 492 { 493 struct ark_adapter *ark = 494 (struct ark_adapter *)dev->data->dev_private; 495 496 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 497 return 0; 498 499 if (ark->user_ext.dev_uninit) 500 ark->user_ext.dev_uninit(dev, 501 ark->user_data[dev->data->port_id]); 502 503 ark_pktgen_uninit(ark->pg); 504 ark_pktchkr_uninit(ark->pc); 505 506 dev->dev_ops = NULL; 507 dev->rx_pkt_burst = NULL; 508 dev->tx_pkt_burst = NULL; 509 rte_free(dev->data->mac_addrs); 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 = 518 (struct ark_adapter *)dev->data->dev_private; 519 520 eth_ark_dev_set_link_up(dev); 521 if (ark->user_ext.dev_configure) 522 return ark->user_ext.dev_configure(dev, 523 ark->user_data[dev->data->port_id]); 524 return 0; 525 } 526 527 static void * 528 delay_pg_start(void *arg) 529 { 530 struct ark_adapter *ark = (struct ark_adapter *)arg; 531 532 /* This function is used exclusively for regression testing, We 533 * perform a blind sleep here to ensure that the external test 534 * application has time to setup the test before we generate packets 535 */ 536 usleep(100000); 537 ark_pktgen_run(ark->pg); 538 return NULL; 539 } 540 541 static int 542 eth_ark_dev_start(struct rte_eth_dev *dev) 543 { 544 struct ark_adapter *ark = 545 (struct ark_adapter *)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 = 598 (struct ark_adapter *)dev->data->dev_private; 599 struct ark_mpu_t *mpu; 600 601 PMD_FUNC_LOG(DEBUG, "\n"); 602 603 if (ark->started == 0) 604 return; 605 ark->started = 0; 606 607 /* Stop the extension first */ 608 if (ark->user_ext.dev_stop) 609 ark->user_ext.dev_stop(dev, 610 ark->user_data[dev->data->port_id]); 611 612 /* Stop the packet generator */ 613 if (ark->start_pg) 614 ark_pktgen_pause(ark->pg); 615 616 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 617 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 618 619 /* STOP TX Side */ 620 for (i = 0; i < dev->data->nb_tx_queues; i++) { 621 status = eth_ark_tx_queue_stop(dev, i); 622 if (status != 0) { 623 uint16_t port = dev->data->port_id; 624 PMD_DRV_LOG(ERR, 625 "tx_queue stop anomaly" 626 " port %u, queue %u\n", 627 port, i); 628 } 629 } 630 631 /* Stop DDM */ 632 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 633 for (i = 0; i < 10; i++) { 634 status = ark_ddm_stop(ark->ddm.v, 1); 635 if (status == 0) 636 break; 637 } 638 if (status || i != 0) { 639 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 640 " %d iter: %u. (%s)\n", 641 status, 642 i, 643 __func__); 644 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 645 646 mpu = ark->mputx.v; 647 for (i = 0; i < ark->tx_queues; i++) { 648 ark_mpu_dump(mpu, "DDM failure dump", i); 649 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 650 } 651 } 652 653 /* STOP RX Side */ 654 /* Stop UDM multiple tries attempted */ 655 for (i = 0; i < 10; i++) { 656 status = ark_udm_stop(ark->udm.v, 1); 657 if (status == 0) 658 break; 659 } 660 if (status || i != 0) { 661 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 662 status, i, __func__); 663 ark_udm_dump(ark->udm.v, "Stop anomaly"); 664 665 mpu = ark->mpurx.v; 666 for (i = 0; i < ark->rx_queues; i++) { 667 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 668 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 669 } 670 } 671 672 ark_udm_dump_stats(ark->udm.v, "Post stop"); 673 ark_udm_dump_perf(ark->udm.v, "Post stop"); 674 675 for (i = 0; i < dev->data->nb_rx_queues; i++) 676 eth_ark_rx_dump_queue(dev, i, __func__); 677 678 /* Stop the packet checker if it is running */ 679 if (ark->start_pg) { 680 ark_pktchkr_dump_stats(ark->pc); 681 ark_pktchkr_stop(ark->pc); 682 } 683 } 684 685 static void 686 eth_ark_dev_close(struct rte_eth_dev *dev) 687 { 688 struct ark_adapter *ark = 689 (struct ark_adapter *)dev->data->dev_private; 690 uint16_t i; 691 692 if (ark->user_ext.dev_close) 693 ark->user_ext.dev_close(dev, 694 ark->user_data[dev->data->port_id]); 695 696 eth_ark_dev_stop(dev); 697 eth_ark_udm_force_close(dev); 698 699 /* 700 * TODO This should only be called once for the device during shutdown 701 */ 702 ark_rqp_dump(ark->rqpacing); 703 704 for (i = 0; i < dev->data->nb_tx_queues; i++) { 705 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 706 dev->data->tx_queues[i] = 0; 707 } 708 709 for (i = 0; i < dev->data->nb_rx_queues; i++) { 710 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 711 dev->data->rx_queues[i] = 0; 712 } 713 } 714 715 static void 716 eth_ark_dev_info_get(struct rte_eth_dev *dev, 717 struct rte_eth_dev_info *dev_info) 718 { 719 struct ark_adapter *ark = 720 (struct ark_adapter *)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 } 749 750 static int 751 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 752 { 753 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 754 dev->data->dev_link.link_status); 755 struct ark_adapter *ark = 756 (struct ark_adapter *)dev->data->dev_private; 757 758 if (ark->user_ext.link_update) { 759 return ark->user_ext.link_update 760 (dev, wait_to_complete, 761 ark->user_data[dev->data->port_id]); 762 } 763 return 0; 764 } 765 766 static int 767 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 768 { 769 dev->data->dev_link.link_status = 1; 770 struct ark_adapter *ark = 771 (struct ark_adapter *)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 = 784 (struct ark_adapter *)dev->data->dev_private; 785 786 if (ark->user_ext.dev_set_link_down) 787 return ark->user_ext.dev_set_link_down(dev, 788 ark->user_data[dev->data->port_id]); 789 return 0; 790 } 791 792 static int 793 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 794 { 795 uint16_t i; 796 struct ark_adapter *ark = 797 (struct ark_adapter *)dev->data->dev_private; 798 799 stats->ipackets = 0; 800 stats->ibytes = 0; 801 stats->opackets = 0; 802 stats->obytes = 0; 803 stats->imissed = 0; 804 stats->oerrors = 0; 805 806 for (i = 0; i < dev->data->nb_tx_queues; i++) 807 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 808 for (i = 0; i < dev->data->nb_rx_queues; i++) 809 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 810 if (ark->user_ext.stats_get) 811 return ark->user_ext.stats_get(dev, stats, 812 ark->user_data[dev->data->port_id]); 813 return 0; 814 } 815 816 static void 817 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 818 { 819 uint16_t i; 820 struct ark_adapter *ark = 821 (struct ark_adapter *)dev->data->dev_private; 822 823 for (i = 0; i < dev->data->nb_tx_queues; i++) 824 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 825 for (i = 0; i < dev->data->nb_rx_queues; i++) 826 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 827 if (ark->user_ext.stats_reset) 828 ark->user_ext.stats_reset(dev, 829 ark->user_data[dev->data->port_id]); 830 } 831 832 static int 833 eth_ark_macaddr_add(struct rte_eth_dev *dev, 834 struct ether_addr *mac_addr, 835 uint32_t index, 836 uint32_t pool) 837 { 838 struct ark_adapter *ark = 839 (struct ark_adapter *)dev->data->dev_private; 840 841 if (ark->user_ext.mac_addr_add) { 842 ark->user_ext.mac_addr_add(dev, 843 mac_addr, 844 index, 845 pool, 846 ark->user_data[dev->data->port_id]); 847 return 0; 848 } 849 return -ENOTSUP; 850 } 851 852 static void 853 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 854 { 855 struct ark_adapter *ark = 856 (struct ark_adapter *)dev->data->dev_private; 857 858 if (ark->user_ext.mac_addr_remove) 859 ark->user_ext.mac_addr_remove(dev, index, 860 ark->user_data[dev->data->port_id]); 861 } 862 863 static int 864 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 865 struct ether_addr *mac_addr) 866 { 867 struct ark_adapter *ark = 868 (struct ark_adapter *)dev->data->dev_private; 869 870 if (ark->user_ext.mac_addr_set) { 871 ark->user_ext.mac_addr_set(dev, mac_addr, 872 ark->user_data[dev->data->port_id]); 873 return 0; 874 } 875 return -ENOTSUP; 876 } 877 878 static int 879 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 880 { 881 struct ark_adapter *ark = 882 (struct ark_adapter *)dev->data->dev_private; 883 884 if (ark->user_ext.set_mtu) 885 return ark->user_ext.set_mtu(dev, size, 886 ark->user_data[dev->data->port_id]); 887 888 return -ENOTSUP; 889 } 890 891 static inline int 892 process_pktdir_arg(const char *key, const char *value, 893 void *extra_args) 894 { 895 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 896 key, value); 897 struct ark_adapter *ark = 898 (struct ark_adapter *)extra_args; 899 900 ark->pkt_dir_v = strtol(value, NULL, 16); 901 PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 902 return 0; 903 } 904 905 static inline int 906 process_file_args(const char *key, const char *value, void *extra_args) 907 { 908 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 909 key, value); 910 char *args = (char *)extra_args; 911 912 /* Open the configuration file */ 913 FILE *file = fopen(value, "r"); 914 char line[ARK_MAX_ARG_LEN]; 915 int size = 0; 916 int first = 1; 917 918 if (file == NULL) { 919 PMD_DRV_LOG(ERR, "Unable to open " 920 "config file %s\n", value); 921 return -1; 922 } 923 924 while (fgets(line, sizeof(line), file)) { 925 size += strlen(line); 926 if (size >= ARK_MAX_ARG_LEN) { 927 PMD_DRV_LOG(ERR, "Unable to parse file %s args, " 928 "parameter list is too long\n", value); 929 fclose(file); 930 return -1; 931 } 932 if (first) { 933 strncpy(args, line, ARK_MAX_ARG_LEN); 934 first = 0; 935 } else { 936 strncat(args, line, ARK_MAX_ARG_LEN); 937 } 938 } 939 PMD_FUNC_LOG(DEBUG, "file = %s\n", args); 940 fclose(file); 941 return 0; 942 } 943 944 static int 945 eth_ark_check_args(struct ark_adapter *ark, const char *params) 946 { 947 struct rte_kvargs *kvlist; 948 unsigned int k_idx; 949 struct rte_kvargs_pair *pair = NULL; 950 int ret = -1; 951 952 kvlist = rte_kvargs_parse(params, valid_arguments); 953 if (kvlist == NULL) 954 return 0; 955 956 ark->pkt_gen_args[0] = 0; 957 ark->pkt_chkr_args[0] = 0; 958 959 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 960 pair = &kvlist->pairs[k_idx]; 961 PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 962 pair->key, 963 pair->value); 964 } 965 966 if (rte_kvargs_process(kvlist, 967 ARK_PKTDIR_ARG, 968 &process_pktdir_arg, 969 ark) != 0) { 970 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 971 goto free_kvlist; 972 } 973 974 if (rte_kvargs_process(kvlist, 975 ARK_PKTGEN_ARG, 976 &process_file_args, 977 ark->pkt_gen_args) != 0) { 978 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 979 goto free_kvlist; 980 } 981 982 if (rte_kvargs_process(kvlist, 983 ARK_PKTCHKR_ARG, 984 &process_file_args, 985 ark->pkt_chkr_args) != 0) { 986 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 987 goto free_kvlist; 988 } 989 990 PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 991 /* Setup the packet director */ 992 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 993 994 /* Setup the packet generator */ 995 if (ark->pkt_gen_args[0]) { 996 PMD_DRV_LOG(INFO, "Setting up the packet generator\n"); 997 ark_pktgen_parse(ark->pkt_gen_args); 998 ark_pktgen_reset(ark->pg); 999 ark_pktgen_setup(ark->pg); 1000 ark->start_pg = 1; 1001 } 1002 1003 /* Setup the packet checker */ 1004 if (ark->pkt_chkr_args[0]) { 1005 ark_pktchkr_parse(ark->pkt_chkr_args); 1006 ark_pktchkr_setup(ark->pc); 1007 } 1008 1009 ret = 0; 1010 1011 free_kvlist: 1012 rte_kvargs_free(kvlist); 1013 1014 return ret; 1015 } 1016 1017 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1018 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1019 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1020 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1021 ARK_PKTGEN_ARG "=<filename> " 1022 ARK_PKTCHKR_ARG "=<filename> " 1023 ARK_PKTDIR_ARG "=<bitmap>"); 1024