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 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 int ark_logtype; 82 83 static const char * const valid_arguments[] = { 84 ARK_PKTGEN_ARG, 85 ARK_PKTCHKR_ARG, 86 ARK_PKTDIR_ARG, 87 NULL 88 }; 89 90 static const struct rte_pci_id pci_id_ark_map[] = { 91 {RTE_PCI_DEVICE(0x1d6c, 0x100d)}, 92 {RTE_PCI_DEVICE(0x1d6c, 0x100e)}, 93 {.vendor_id = 0, /* sentinel */ }, 94 }; 95 96 static int 97 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 98 struct rte_pci_device *pci_dev) 99 { 100 struct rte_eth_dev *eth_dev; 101 int ret; 102 103 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 104 105 if (eth_dev == NULL) 106 return -ENOMEM; 107 108 ret = eth_ark_dev_init(eth_dev); 109 if (ret) 110 rte_eth_dev_pci_release(eth_dev); 111 112 return ret; 113 } 114 115 static int 116 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 117 { 118 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 119 } 120 121 static struct rte_pci_driver rte_ark_pmd = { 122 .id_table = pci_id_ark_map, 123 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 124 .probe = eth_ark_pci_probe, 125 .remove = eth_ark_pci_remove, 126 }; 127 128 static const struct eth_dev_ops ark_eth_dev_ops = { 129 .dev_configure = eth_ark_dev_configure, 130 .dev_start = eth_ark_dev_start, 131 .dev_stop = eth_ark_dev_stop, 132 .dev_close = eth_ark_dev_close, 133 134 .dev_infos_get = eth_ark_dev_info_get, 135 136 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 137 .rx_queue_count = eth_ark_dev_rx_queue_count, 138 .tx_queue_setup = eth_ark_tx_queue_setup, 139 140 .link_update = eth_ark_dev_link_update, 141 .dev_set_link_up = eth_ark_dev_set_link_up, 142 .dev_set_link_down = eth_ark_dev_set_link_down, 143 144 .rx_queue_start = eth_ark_rx_start_queue, 145 .rx_queue_stop = eth_ark_rx_stop_queue, 146 147 .tx_queue_start = eth_ark_tx_queue_start, 148 .tx_queue_stop = eth_ark_tx_queue_stop, 149 150 .stats_get = eth_ark_dev_stats_get, 151 .stats_reset = eth_ark_dev_stats_reset, 152 153 .mac_addr_add = eth_ark_macaddr_add, 154 .mac_addr_remove = eth_ark_macaddr_remove, 155 .mac_addr_set = eth_ark_set_default_mac_addr, 156 157 .mtu_set = eth_ark_set_mtu, 158 }; 159 160 static int 161 check_for_ext(struct ark_adapter *ark) 162 { 163 int found = 0; 164 165 /* Get the env */ 166 const char *dllpath = getenv("ARK_EXT_PATH"); 167 168 if (dllpath == NULL) { 169 PMD_DEBUG_LOG(DEBUG, "ARK EXT NO dll path specified\n"); 170 return 0; 171 } 172 PMD_DRV_LOG(INFO, "ARK EXT found dll path at %s\n", dllpath); 173 174 /* Open and load the .so */ 175 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 176 if (ark->d_handle == NULL) { 177 PMD_DRV_LOG(ERR, "Could not load user extension %s\n", 178 dllpath); 179 return -1; 180 } 181 PMD_DRV_LOG(INFO, "SUCCESS: loaded user extension %s\n", 182 dllpath); 183 184 /* Get the entry points */ 185 ark->user_ext.dev_init = 186 (void *(*)(struct rte_eth_dev *, void *, int)) 187 dlsym(ark->d_handle, "dev_init"); 188 PMD_DEBUG_LOG(DEBUG, "device ext init pointer = %p\n", 189 ark->user_ext.dev_init); 190 ark->user_ext.dev_get_port_count = 191 (int (*)(struct rte_eth_dev *, void *)) 192 dlsym(ark->d_handle, "dev_get_port_count"); 193 ark->user_ext.dev_uninit = 194 (void (*)(struct rte_eth_dev *, void *)) 195 dlsym(ark->d_handle, "dev_uninit"); 196 ark->user_ext.dev_configure = 197 (int (*)(struct rte_eth_dev *, void *)) 198 dlsym(ark->d_handle, "dev_configure"); 199 ark->user_ext.dev_start = 200 (int (*)(struct rte_eth_dev *, void *)) 201 dlsym(ark->d_handle, "dev_start"); 202 ark->user_ext.dev_stop = 203 (void (*)(struct rte_eth_dev *, void *)) 204 dlsym(ark->d_handle, "dev_stop"); 205 ark->user_ext.dev_close = 206 (void (*)(struct rte_eth_dev *, void *)) 207 dlsym(ark->d_handle, "dev_close"); 208 ark->user_ext.link_update = 209 (int (*)(struct rte_eth_dev *, int, void *)) 210 dlsym(ark->d_handle, "link_update"); 211 ark->user_ext.dev_set_link_up = 212 (int (*)(struct rte_eth_dev *, void *)) 213 dlsym(ark->d_handle, "dev_set_link_up"); 214 ark->user_ext.dev_set_link_down = 215 (int (*)(struct rte_eth_dev *, void *)) 216 dlsym(ark->d_handle, "dev_set_link_down"); 217 ark->user_ext.stats_get = 218 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 219 void *)) 220 dlsym(ark->d_handle, "stats_get"); 221 ark->user_ext.stats_reset = 222 (void (*)(struct rte_eth_dev *, void *)) 223 dlsym(ark->d_handle, "stats_reset"); 224 ark->user_ext.mac_addr_add = 225 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 226 uint32_t, uint32_t, void *)) 227 dlsym(ark->d_handle, "mac_addr_add"); 228 ark->user_ext.mac_addr_remove = 229 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 230 dlsym(ark->d_handle, "mac_addr_remove"); 231 ark->user_ext.mac_addr_set = 232 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 233 void *)) 234 dlsym(ark->d_handle, "mac_addr_set"); 235 ark->user_ext.set_mtu = 236 (int (*)(struct rte_eth_dev *, uint16_t, 237 void *)) 238 dlsym(ark->d_handle, "set_mtu"); 239 240 return found; 241 } 242 243 static int 244 eth_ark_dev_init(struct rte_eth_dev *dev) 245 { 246 struct ark_adapter *ark = dev->data->dev_private; 247 struct rte_pci_device *pci_dev; 248 int ret; 249 int port_count = 1; 250 int p; 251 252 ark->eth_dev = dev; 253 254 PMD_FUNC_LOG(DEBUG, "\n"); 255 256 /* Check to see if there is an extension that we need to load */ 257 ret = check_for_ext(ark); 258 if (ret) 259 return ret; 260 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 261 rte_eth_copy_pci_info(dev, pci_dev); 262 263 /* Use dummy function until setup */ 264 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 265 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 266 /* Let rte_eth_dev_close() release the port resources */ 267 dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; 268 269 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 270 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 271 272 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 273 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 274 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 275 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 276 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 277 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 278 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 279 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 280 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 281 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 282 283 ark->rqpacing = 284 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 285 ark->started = 0; 286 287 PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 288 ark->sysctrl.t32[4], 289 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 290 PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n", 291 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 292 293 /* If HW sanity test fails, return an error */ 294 if (ark->sysctrl.t32[4] != 0xcafef00d) { 295 PMD_DRV_LOG(ERR, 296 "HW Sanity test has failed, expected constant" 297 " 0x%x, read 0x%x (%s)\n", 298 0xcafef00d, 299 ark->sysctrl.t32[4], __func__); 300 return -1; 301 } 302 if (ark->sysctrl.t32[3] != 0) { 303 if (ark_rqp_lasped(ark->rqpacing)) { 304 PMD_DRV_LOG(ERR, "Arkville Evaluation System - " 305 "Timer has Expired\n"); 306 return -1; 307 } 308 PMD_DRV_LOG(WARNING, "Arkville Evaluation System - " 309 "Timer is Running\n"); 310 } 311 312 PMD_DRV_LOG(INFO, 313 "HW Sanity test has PASSED, expected constant" 314 " 0x%x, read 0x%x (%s)\n", 315 0xcafef00d, ark->sysctrl.t32[4], __func__); 316 317 /* We are a single function multi-port device. */ 318 ret = ark_config_device(dev); 319 if (ret) 320 return -1; 321 322 dev->dev_ops = &ark_eth_dev_ops; 323 324 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 325 if (!dev->data->mac_addrs) { 326 PMD_DRV_LOG(ERR, 327 "Failed to allocated memory for storing mac address" 328 ); 329 } 330 331 if (ark->user_ext.dev_init) { 332 ark->user_data[dev->data->port_id] = 333 ark->user_ext.dev_init(dev, ark->a_bar, 0); 334 if (!ark->user_data[dev->data->port_id]) { 335 PMD_DRV_LOG(INFO, 336 "Failed to initialize PMD extension!" 337 " continuing without it\n"); 338 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 339 dlclose(ark->d_handle); 340 } 341 } 342 343 if (pci_dev->device.devargs) 344 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 345 else 346 PMD_DRV_LOG(INFO, "No Device args found\n"); 347 348 if (ret) 349 goto error; 350 /* 351 * We will create additional devices based on the number of requested 352 * ports 353 */ 354 if (ark->user_ext.dev_get_port_count) 355 port_count = 356 ark->user_ext.dev_get_port_count(dev, 357 ark->user_data[dev->data->port_id]); 358 ark->num_ports = port_count; 359 360 for (p = 0; p < port_count; p++) { 361 struct rte_eth_dev *eth_dev; 362 char name[RTE_ETH_NAME_MAX_LEN]; 363 364 snprintf(name, sizeof(name), "arketh%d", 365 dev->data->port_id + p); 366 367 if (p == 0) { 368 /* First port is already allocated by DPDK */ 369 eth_dev = ark->eth_dev; 370 rte_eth_dev_probing_finish(eth_dev); 371 continue; 372 } 373 374 /* reserve an ethdev entry */ 375 eth_dev = rte_eth_dev_allocate(name); 376 if (!eth_dev) { 377 PMD_DRV_LOG(ERR, 378 "Could not allocate eth_dev for port %d\n", 379 p); 380 goto error; 381 } 382 383 eth_dev->device = &pci_dev->device; 384 eth_dev->data->dev_private = ark; 385 eth_dev->dev_ops = ark->eth_dev->dev_ops; 386 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 387 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 388 389 rte_eth_copy_pci_info(eth_dev, pci_dev); 390 391 eth_dev->data->mac_addrs = rte_zmalloc(name, 392 RTE_ETHER_ADDR_LEN, 0); 393 if (!eth_dev->data->mac_addrs) { 394 PMD_DRV_LOG(ERR, 395 "Memory allocation for MAC failed!" 396 " Exiting.\n"); 397 goto error; 398 } 399 400 if (ark->user_ext.dev_init) { 401 ark->user_data[eth_dev->data->port_id] = 402 ark->user_ext.dev_init(dev, ark->a_bar, p); 403 } 404 405 rte_eth_dev_probing_finish(eth_dev); 406 } 407 408 return ret; 409 410 error: 411 rte_free(dev->data->mac_addrs); 412 dev->data->mac_addrs = NULL; 413 return -1; 414 } 415 416 /* 417 *Initial device configuration when device is opened 418 * setup the DDM, and UDM 419 * Called once per PCIE device 420 */ 421 static int 422 ark_config_device(struct rte_eth_dev *dev) 423 { 424 struct ark_adapter *ark = dev->data->dev_private; 425 uint16_t num_q, i; 426 struct ark_mpu_t *mpu; 427 428 /* 429 * Make sure that the packet director, generator and checker are in a 430 * known state 431 */ 432 ark->start_pg = 0; 433 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 434 if (ark->pg == NULL) 435 return -1; 436 ark_pktgen_reset(ark->pg); 437 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 438 if (ark->pc == NULL) 439 return -1; 440 ark_pktchkr_stop(ark->pc); 441 ark->pd = ark_pktdir_init(ark->pktdir.v); 442 if (ark->pd == NULL) 443 return -1; 444 445 /* Verify HW */ 446 if (ark_udm_verify(ark->udm.v)) 447 return -1; 448 if (ark_ddm_verify(ark->ddm.v)) 449 return -1; 450 451 /* UDM */ 452 if (ark_udm_reset(ark->udm.v)) { 453 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 454 return -1; 455 } 456 /* Keep in reset until the MPU are cleared */ 457 458 /* MPU reset */ 459 mpu = ark->mpurx.v; 460 num_q = ark_api_num_queues(mpu); 461 ark->rx_queues = num_q; 462 for (i = 0; i < num_q; i++) { 463 ark_mpu_reset(mpu); 464 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 465 } 466 467 ark_udm_stop(ark->udm.v, 0); 468 ark_udm_configure(ark->udm.v, 469 RTE_PKTMBUF_HEADROOM, 470 RTE_MBUF_DEFAULT_DATAROOM, 471 ARK_RX_WRITE_TIME_NS); 472 ark_udm_stats_reset(ark->udm.v); 473 ark_udm_stop(ark->udm.v, 0); 474 475 /* TX -- DDM */ 476 if (ark_ddm_stop(ark->ddm.v, 1)) 477 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 478 479 mpu = ark->mputx.v; 480 num_q = ark_api_num_queues(mpu); 481 ark->tx_queues = num_q; 482 for (i = 0; i < num_q; i++) { 483 ark_mpu_reset(mpu); 484 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 485 } 486 487 ark_ddm_reset(ark->ddm.v); 488 ark_ddm_stats_reset(ark->ddm.v); 489 490 ark_ddm_stop(ark->ddm.v, 0); 491 ark_rqp_stats_reset(ark->rqpacing); 492 493 return 0; 494 } 495 496 static int 497 eth_ark_dev_uninit(struct rte_eth_dev *dev) 498 { 499 struct ark_adapter *ark = dev->data->dev_private; 500 501 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 502 return 0; 503 504 if (ark->user_ext.dev_uninit) 505 ark->user_ext.dev_uninit(dev, 506 ark->user_data[dev->data->port_id]); 507 508 ark_pktgen_uninit(ark->pg); 509 ark_pktchkr_uninit(ark->pc); 510 511 dev->dev_ops = NULL; 512 dev->rx_pkt_burst = NULL; 513 dev->tx_pkt_burst = NULL; 514 return 0; 515 } 516 517 static int 518 eth_ark_dev_configure(struct rte_eth_dev *dev) 519 { 520 PMD_FUNC_LOG(DEBUG, "\n"); 521 struct ark_adapter *ark = 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 = dev->data->dev_private; 548 int i; 549 550 PMD_FUNC_LOG(DEBUG, "\n"); 551 552 /* RX Side */ 553 /* start UDM */ 554 ark_udm_start(ark->udm.v); 555 556 for (i = 0; i < dev->data->nb_rx_queues; i++) 557 eth_ark_rx_start_queue(dev, i); 558 559 /* TX Side */ 560 for (i = 0; i < dev->data->nb_tx_queues; i++) 561 eth_ark_tx_queue_start(dev, i); 562 563 /* start DDM */ 564 ark_ddm_start(ark->ddm.v); 565 566 ark->started = 1; 567 /* set xmit and receive function */ 568 dev->rx_pkt_burst = ð_ark_recv_pkts; 569 dev->tx_pkt_burst = ð_ark_xmit_pkts; 570 571 if (ark->start_pg) 572 ark_pktchkr_run(ark->pc); 573 574 if (ark->start_pg && (dev->data->port_id == 0)) { 575 pthread_t thread; 576 577 /* Delay packet generatpr start allow the hardware to be ready 578 * This is only used for sanity checking with internal generator 579 */ 580 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 581 PMD_DRV_LOG(ERR, "Could not create pktgen " 582 "starter thread\n"); 583 return -1; 584 } 585 } 586 587 if (ark->user_ext.dev_start) 588 ark->user_ext.dev_start(dev, 589 ark->user_data[dev->data->port_id]); 590 591 return 0; 592 } 593 594 static void 595 eth_ark_dev_stop(struct rte_eth_dev *dev) 596 { 597 uint16_t i; 598 int status; 599 struct ark_adapter *ark = dev->data->dev_private; 600 struct ark_mpu_t *mpu; 601 602 PMD_FUNC_LOG(DEBUG, "\n"); 603 604 if (ark->started == 0) 605 return; 606 ark->started = 0; 607 608 /* Stop the extension first */ 609 if (ark->user_ext.dev_stop) 610 ark->user_ext.dev_stop(dev, 611 ark->user_data[dev->data->port_id]); 612 613 /* Stop the packet generator */ 614 if (ark->start_pg) 615 ark_pktgen_pause(ark->pg); 616 617 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 618 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 619 620 /* STOP TX Side */ 621 for (i = 0; i < dev->data->nb_tx_queues; i++) { 622 status = eth_ark_tx_queue_stop(dev, i); 623 if (status != 0) { 624 uint16_t port = dev->data->port_id; 625 PMD_DRV_LOG(ERR, 626 "tx_queue stop anomaly" 627 " port %u, queue %u\n", 628 port, i); 629 } 630 } 631 632 /* Stop DDM */ 633 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 634 for (i = 0; i < 10; i++) { 635 status = ark_ddm_stop(ark->ddm.v, 1); 636 if (status == 0) 637 break; 638 } 639 if (status || i != 0) { 640 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 641 " %d iter: %u. (%s)\n", 642 status, 643 i, 644 __func__); 645 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 646 647 mpu = ark->mputx.v; 648 for (i = 0; i < ark->tx_queues; i++) { 649 ark_mpu_dump(mpu, "DDM failure dump", i); 650 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 651 } 652 } 653 654 /* STOP RX Side */ 655 /* Stop UDM multiple tries attempted */ 656 for (i = 0; i < 10; i++) { 657 status = ark_udm_stop(ark->udm.v, 1); 658 if (status == 0) 659 break; 660 } 661 if (status || i != 0) { 662 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 663 status, i, __func__); 664 ark_udm_dump(ark->udm.v, "Stop anomaly"); 665 666 mpu = ark->mpurx.v; 667 for (i = 0; i < ark->rx_queues; i++) { 668 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 669 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 670 } 671 } 672 673 ark_udm_dump_stats(ark->udm.v, "Post stop"); 674 ark_udm_dump_perf(ark->udm.v, "Post stop"); 675 676 for (i = 0; i < dev->data->nb_rx_queues; i++) 677 eth_ark_rx_dump_queue(dev, i, __func__); 678 679 /* Stop the packet checker if it is running */ 680 if (ark->start_pg) { 681 ark_pktchkr_dump_stats(ark->pc); 682 ark_pktchkr_stop(ark->pc); 683 } 684 } 685 686 static void 687 eth_ark_dev_close(struct rte_eth_dev *dev) 688 { 689 struct ark_adapter *ark = 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 rte_free(dev->data->mac_addrs); 715 dev->data->mac_addrs = 0; 716 } 717 718 static int 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 = dev->data->dev_private; 723 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 724 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 725 uint16_t ports = ark->num_ports; 726 727 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 728 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 729 730 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 731 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 732 733 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 734 .nb_max = ARK_RX_MAX_QUEUE, 735 .nb_min = ARK_RX_MIN_QUEUE, 736 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 737 738 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 739 .nb_max = ARK_TX_MAX_QUEUE, 740 .nb_min = ARK_TX_MIN_QUEUE, 741 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 742 743 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 744 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 745 ETH_LINK_SPEED_10G | 746 ETH_LINK_SPEED_25G | 747 ETH_LINK_SPEED_40G | 748 ETH_LINK_SPEED_50G | 749 ETH_LINK_SPEED_100G); 750 751 return 0; 752 } 753 754 static int 755 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 756 { 757 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 758 dev->data->dev_link.link_status); 759 struct ark_adapter *ark = 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 = dev->data->dev_private; 774 775 if (ark->user_ext.dev_set_link_up) 776 return ark->user_ext.dev_set_link_up(dev, 777 ark->user_data[dev->data->port_id]); 778 return 0; 779 } 780 781 static int 782 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 783 { 784 dev->data->dev_link.link_status = 0; 785 struct ark_adapter *ark = dev->data->dev_private; 786 787 if (ark->user_ext.dev_set_link_down) 788 return ark->user_ext.dev_set_link_down(dev, 789 ark->user_data[dev->data->port_id]); 790 return 0; 791 } 792 793 static int 794 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 795 { 796 uint16_t i; 797 struct ark_adapter *ark = 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 = dev->data->dev_private; 821 822 for (i = 0; i < dev->data->nb_tx_queues; i++) 823 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 824 for (i = 0; i < dev->data->nb_rx_queues; i++) 825 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 826 if (ark->user_ext.stats_reset) 827 ark->user_ext.stats_reset(dev, 828 ark->user_data[dev->data->port_id]); 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 1020 RTE_INIT(ark_init_log) 1021 { 1022 ark_logtype = rte_log_register("pmd.net.ark"); 1023 if (ark_logtype >= 0) 1024 rte_log_set_level(ark_logtype, RTE_LOG_NOTICE); 1025 } 1026