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 <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 int eth_ark_dev_stop(struct rte_eth_dev *dev); 33 static int 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 {RTE_PCI_DEVICE(0x1d6c, 0x100f)}, 92 {RTE_PCI_DEVICE(0x1d6c, 0x1010)}, 93 {RTE_PCI_DEVICE(0x1d6c, 0x1017)}, 94 {RTE_PCI_DEVICE(0x1d6c, 0x1018)}, 95 {RTE_PCI_DEVICE(0x1d6c, 0x1019)}, 96 {.vendor_id = 0, /* sentinel */ }, 97 }; 98 99 static int 100 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 101 struct rte_pci_device *pci_dev) 102 { 103 struct rte_eth_dev *eth_dev; 104 int ret; 105 106 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 107 108 if (eth_dev == NULL) 109 return -ENOMEM; 110 111 ret = eth_ark_dev_init(eth_dev); 112 if (ret) 113 rte_eth_dev_release_port(eth_dev); 114 115 return ret; 116 } 117 118 static int 119 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 120 { 121 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 122 } 123 124 static struct rte_pci_driver rte_ark_pmd = { 125 .id_table = pci_id_ark_map, 126 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 127 .probe = eth_ark_pci_probe, 128 .remove = eth_ark_pci_remove, 129 }; 130 131 static const struct eth_dev_ops ark_eth_dev_ops = { 132 .dev_configure = eth_ark_dev_configure, 133 .dev_start = eth_ark_dev_start, 134 .dev_stop = eth_ark_dev_stop, 135 .dev_close = eth_ark_dev_close, 136 137 .dev_infos_get = eth_ark_dev_info_get, 138 139 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 140 .tx_queue_setup = eth_ark_tx_queue_setup, 141 142 .link_update = eth_ark_dev_link_update, 143 .dev_set_link_up = eth_ark_dev_set_link_up, 144 .dev_set_link_down = eth_ark_dev_set_link_down, 145 146 .rx_queue_start = eth_ark_rx_start_queue, 147 .rx_queue_stop = eth_ark_rx_stop_queue, 148 149 .tx_queue_start = eth_ark_tx_queue_start, 150 .tx_queue_stop = eth_ark_tx_queue_stop, 151 152 .stats_get = eth_ark_dev_stats_get, 153 .stats_reset = eth_ark_dev_stats_reset, 154 155 .mac_addr_add = eth_ark_macaddr_add, 156 .mac_addr_remove = eth_ark_macaddr_remove, 157 .mac_addr_set = eth_ark_set_default_mac_addr, 158 159 .mtu_set = eth_ark_set_mtu, 160 }; 161 162 static int 163 check_for_ext(struct ark_adapter *ark) 164 { 165 int found = 0; 166 167 /* Get the env */ 168 const char *dllpath = getenv("ARK_EXT_PATH"); 169 170 if (dllpath == NULL) { 171 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n"); 172 return 0; 173 } 174 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath); 175 176 /* Open and load the .so */ 177 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 178 if (ark->d_handle == NULL) { 179 ARK_PMD_LOG(ERR, "Could not load user extension %s\n", 180 dllpath); 181 return -1; 182 } 183 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n", 184 dllpath); 185 186 /* Get the entry points */ 187 ark->user_ext.dev_init = 188 (void *(*)(struct rte_eth_dev *, void *, int)) 189 dlsym(ark->d_handle, "rte_pmd_ark_dev_init"); 190 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n", 191 ark->user_ext.dev_init); 192 ark->user_ext.dev_get_port_count = 193 (int (*)(struct rte_eth_dev *, void *)) 194 dlsym(ark->d_handle, "rte_pmd_ark_dev_get_port_count"); 195 ark->user_ext.dev_uninit = 196 (void (*)(struct rte_eth_dev *, void *)) 197 dlsym(ark->d_handle, "rte_pmd_ark_dev_uninit"); 198 ark->user_ext.dev_configure = 199 (int (*)(struct rte_eth_dev *, void *)) 200 dlsym(ark->d_handle, "rte_pmd_ark_dev_configure"); 201 ark->user_ext.dev_start = 202 (int (*)(struct rte_eth_dev *, void *)) 203 dlsym(ark->d_handle, "rte_pmd_ark_dev_start"); 204 ark->user_ext.dev_stop = 205 (void (*)(struct rte_eth_dev *, void *)) 206 dlsym(ark->d_handle, "rte_pmd_ark_dev_stop"); 207 ark->user_ext.dev_close = 208 (void (*)(struct rte_eth_dev *, void *)) 209 dlsym(ark->d_handle, "rte_pmd_ark_dev_close"); 210 ark->user_ext.link_update = 211 (int (*)(struct rte_eth_dev *, int, void *)) 212 dlsym(ark->d_handle, "rte_pmd_ark_link_update"); 213 ark->user_ext.dev_set_link_up = 214 (int (*)(struct rte_eth_dev *, void *)) 215 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_up"); 216 ark->user_ext.dev_set_link_down = 217 (int (*)(struct rte_eth_dev *, void *)) 218 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_down"); 219 ark->user_ext.stats_get = 220 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 221 void *)) 222 dlsym(ark->d_handle, "rte_pmd_ark_stats_get"); 223 ark->user_ext.stats_reset = 224 (void (*)(struct rte_eth_dev *, void *)) 225 dlsym(ark->d_handle, "rte_pmd_ark_stats_reset"); 226 ark->user_ext.mac_addr_add = 227 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 228 uint32_t, uint32_t, void *)) 229 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_add"); 230 ark->user_ext.mac_addr_remove = 231 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 232 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_remove"); 233 ark->user_ext.mac_addr_set = 234 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 235 void *)) 236 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_set"); 237 ark->user_ext.set_mtu = 238 (int (*)(struct rte_eth_dev *, uint16_t, 239 void *)) 240 dlsym(ark->d_handle, "rte_pmd_ark_set_mtu"); 241 ark->user_ext.rx_user_meta_hook = 242 (rx_user_meta_hook_fn)dlsym(ark->d_handle, 243 "rte_pmd_ark_rx_user_meta_hook"); 244 ark->user_ext.tx_user_meta_hook = 245 (tx_user_meta_hook_fn)dlsym(ark->d_handle, 246 "rte_pmd_ark_tx_user_meta_hook"); 247 248 return found; 249 } 250 251 static int 252 eth_ark_dev_init(struct rte_eth_dev *dev) 253 { 254 struct ark_adapter *ark = dev->data->dev_private; 255 struct rte_pci_device *pci_dev; 256 int ret; 257 int port_count = 1; 258 int p; 259 260 ark->eth_dev = dev; 261 262 ARK_PMD_LOG(DEBUG, "\n"); 263 264 /* Check to see if there is an extension that we need to load */ 265 ret = check_for_ext(ark); 266 if (ret) 267 return ret; 268 269 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 270 rte_eth_copy_pci_info(dev, pci_dev); 271 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 272 273 /* Use dummy function until setup */ 274 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 275 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 276 277 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 278 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 279 280 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 281 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 282 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 283 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 284 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 285 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 286 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 287 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 288 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 289 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 290 291 ark->rqpacing = 292 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 293 ark->started = 0; 294 ark->pkt_dir_v = ARK_PKT_DIR_INIT_VAL; 295 296 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 297 ark->sysctrl.t32[4], 298 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 299 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n", 300 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 301 302 /* If HW sanity test fails, return an error */ 303 if (ark->sysctrl.t32[4] != 0xcafef00d) { 304 ARK_PMD_LOG(ERR, 305 "HW Sanity test has failed, expected constant" 306 " 0x%x, read 0x%x (%s)\n", 307 0xcafef00d, 308 ark->sysctrl.t32[4], __func__); 309 return -1; 310 } 311 if (ark->sysctrl.t32[3] != 0) { 312 if (ark_rqp_lasped(ark->rqpacing)) { 313 ARK_PMD_LOG(ERR, "Arkville Evaluation System - " 314 "Timer has Expired\n"); 315 return -1; 316 } 317 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - " 318 "Timer is Running\n"); 319 } 320 321 ARK_PMD_LOG(DEBUG, 322 "HW Sanity test has PASSED, expected constant" 323 " 0x%x, read 0x%x (%s)\n", 324 0xcafef00d, ark->sysctrl.t32[4], __func__); 325 326 /* We are a single function multi-port device. */ 327 ret = ark_config_device(dev); 328 if (ret) 329 return -1; 330 331 dev->dev_ops = &ark_eth_dev_ops; 332 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 333 334 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 335 if (!dev->data->mac_addrs) { 336 ARK_PMD_LOG(ERR, 337 "Failed to allocated memory for storing mac address" 338 ); 339 } 340 341 if (ark->user_ext.dev_init) { 342 ark->user_data[dev->data->port_id] = 343 ark->user_ext.dev_init(dev, ark->a_bar, 0); 344 if (!ark->user_data[dev->data->port_id]) { 345 ARK_PMD_LOG(WARNING, 346 "Failed to initialize PMD extension!" 347 " continuing without it\n"); 348 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 349 dlclose(ark->d_handle); 350 } 351 } 352 353 if (pci_dev->device.devargs) 354 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 355 else 356 ARK_PMD_LOG(INFO, "No Device args found\n"); 357 358 if (ret) 359 goto error; 360 /* 361 * We will create additional devices based on the number of requested 362 * ports 363 */ 364 if (ark->user_ext.dev_get_port_count) 365 port_count = 366 ark->user_ext.dev_get_port_count(dev, 367 ark->user_data[dev->data->port_id]); 368 ark->num_ports = port_count; 369 370 for (p = 0; p < port_count; p++) { 371 struct rte_eth_dev *eth_dev; 372 char name[RTE_ETH_NAME_MAX_LEN]; 373 374 snprintf(name, sizeof(name), "arketh%d", 375 dev->data->port_id + p); 376 377 if (p == 0) { 378 /* First port is already allocated by DPDK */ 379 eth_dev = ark->eth_dev; 380 rte_eth_dev_probing_finish(eth_dev); 381 continue; 382 } 383 384 /* reserve an ethdev entry */ 385 eth_dev = rte_eth_dev_allocate(name); 386 if (!eth_dev) { 387 ARK_PMD_LOG(ERR, 388 "Could not allocate eth_dev for port %d\n", 389 p); 390 goto error; 391 } 392 393 eth_dev->device = &pci_dev->device; 394 eth_dev->data->dev_private = ark; 395 eth_dev->dev_ops = ark->eth_dev->dev_ops; 396 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 397 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 398 399 rte_eth_copy_pci_info(eth_dev, pci_dev); 400 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 401 402 eth_dev->data->mac_addrs = rte_zmalloc(name, 403 RTE_ETHER_ADDR_LEN, 0); 404 if (!eth_dev->data->mac_addrs) { 405 ARK_PMD_LOG(ERR, 406 "Memory allocation for MAC failed!" 407 " Exiting.\n"); 408 goto error; 409 } 410 411 if (ark->user_ext.dev_init) { 412 ark->user_data[eth_dev->data->port_id] = 413 ark->user_ext.dev_init(dev, ark->a_bar, p); 414 } 415 416 rte_eth_dev_probing_finish(eth_dev); 417 } 418 419 return ret; 420 421 error: 422 rte_free(dev->data->mac_addrs); 423 dev->data->mac_addrs = NULL; 424 return -1; 425 } 426 427 /* 428 *Initial device configuration when device is opened 429 * setup the DDM, and UDM 430 * Called once per PCIE device 431 */ 432 static int 433 ark_config_device(struct rte_eth_dev *dev) 434 { 435 struct ark_adapter *ark = dev->data->dev_private; 436 uint16_t num_q, i; 437 struct ark_mpu_t *mpu; 438 439 /* 440 * Make sure that the packet director, generator and checker are in a 441 * known state 442 */ 443 ark->start_pg = 0; 444 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 445 if (ark->pg == NULL) 446 return -1; 447 ark_pktgen_reset(ark->pg); 448 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 449 if (ark->pc == NULL) 450 return -1; 451 ark_pktchkr_stop(ark->pc); 452 ark->pd = ark_pktdir_init(ark->pktdir.v); 453 if (ark->pd == NULL) 454 return -1; 455 456 /* Verify HW */ 457 if (ark_udm_verify(ark->udm.v)) 458 return -1; 459 if (ark_ddm_verify(ark->ddm.v)) 460 return -1; 461 462 /* UDM */ 463 if (ark_udm_reset(ark->udm.v)) { 464 ARK_PMD_LOG(ERR, "Unable to stop and reset UDM\n"); 465 return -1; 466 } 467 /* Keep in reset until the MPU are cleared */ 468 469 /* MPU reset */ 470 mpu = ark->mpurx.v; 471 num_q = ark_api_num_queues(mpu); 472 ark->rx_queues = num_q; 473 for (i = 0; i < num_q; i++) { 474 ark_mpu_reset(mpu); 475 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 476 } 477 478 ark_udm_stop(ark->udm.v, 0); 479 ark_udm_configure(ark->udm.v, 480 RTE_PKTMBUF_HEADROOM, 481 RTE_MBUF_DEFAULT_DATAROOM, 482 ARK_RX_WRITE_TIME_NS); 483 ark_udm_stats_reset(ark->udm.v); 484 ark_udm_stop(ark->udm.v, 0); 485 486 /* TX -- DDM */ 487 if (ark_ddm_stop(ark->ddm.v, 1)) 488 ARK_PMD_LOG(ERR, "Unable to stop DDM\n"); 489 490 mpu = ark->mputx.v; 491 num_q = ark_api_num_queues(mpu); 492 ark->tx_queues = num_q; 493 for (i = 0; i < num_q; i++) { 494 ark_mpu_reset(mpu); 495 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 496 } 497 498 ark_ddm_reset(ark->ddm.v); 499 ark_ddm_stats_reset(ark->ddm.v); 500 501 ark_ddm_stop(ark->ddm.v, 0); 502 ark_rqp_stats_reset(ark->rqpacing); 503 504 return 0; 505 } 506 507 static int 508 eth_ark_dev_uninit(struct rte_eth_dev *dev) 509 { 510 struct ark_adapter *ark = dev->data->dev_private; 511 512 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 513 return 0; 514 515 if (ark->user_ext.dev_uninit) 516 ark->user_ext.dev_uninit(dev, 517 ark->user_data[dev->data->port_id]); 518 519 ark_pktgen_uninit(ark->pg); 520 ark_pktchkr_uninit(ark->pc); 521 522 return 0; 523 } 524 525 static int 526 eth_ark_dev_configure(struct rte_eth_dev *dev) 527 { 528 struct ark_adapter *ark = dev->data->dev_private; 529 530 eth_ark_dev_set_link_up(dev); 531 if (ark->user_ext.dev_configure) 532 return ark->user_ext.dev_configure(dev, 533 ark->user_data[dev->data->port_id]); 534 return 0; 535 } 536 537 static int 538 eth_ark_dev_start(struct rte_eth_dev *dev) 539 { 540 struct ark_adapter *ark = dev->data->dev_private; 541 int i; 542 543 /* RX Side */ 544 /* start UDM */ 545 ark_udm_start(ark->udm.v); 546 547 for (i = 0; i < dev->data->nb_rx_queues; i++) 548 eth_ark_rx_start_queue(dev, i); 549 550 /* TX Side */ 551 for (i = 0; i < dev->data->nb_tx_queues; i++) 552 eth_ark_tx_queue_start(dev, i); 553 554 /* start DDM */ 555 ark_ddm_start(ark->ddm.v); 556 557 ark->started = 1; 558 /* set xmit and receive function */ 559 dev->rx_pkt_burst = ð_ark_recv_pkts; 560 dev->tx_pkt_burst = ð_ark_xmit_pkts; 561 562 if (ark->start_pg) 563 ark_pktchkr_run(ark->pc); 564 565 if (ark->start_pg && (dev->data->port_id == 0)) { 566 pthread_t thread; 567 568 /* Delay packet generatpr start allow the hardware to be ready 569 * This is only used for sanity checking with internal generator 570 */ 571 if (rte_ctrl_thread_create(&thread, "ark-delay-pg", NULL, 572 ark_pktgen_delay_start, ark->pg)) { 573 ARK_PMD_LOG(ERR, "Could not create pktgen " 574 "starter thread\n"); 575 return -1; 576 } 577 } 578 579 if (ark->user_ext.dev_start) 580 ark->user_ext.dev_start(dev, 581 ark->user_data[dev->data->port_id]); 582 583 return 0; 584 } 585 586 static int 587 eth_ark_dev_stop(struct rte_eth_dev *dev) 588 { 589 uint16_t i; 590 int status; 591 struct ark_adapter *ark = dev->data->dev_private; 592 struct ark_mpu_t *mpu; 593 594 if (ark->started == 0) 595 return 0; 596 ark->started = 0; 597 dev->data->dev_started = 0; 598 599 /* Stop the extension first */ 600 if (ark->user_ext.dev_stop) 601 ark->user_ext.dev_stop(dev, 602 ark->user_data[dev->data->port_id]); 603 604 /* Stop the packet generator */ 605 if (ark->start_pg) 606 ark_pktgen_pause(ark->pg); 607 608 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 609 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 610 611 /* STOP TX Side */ 612 for (i = 0; i < dev->data->nb_tx_queues; i++) { 613 status = eth_ark_tx_queue_stop(dev, i); 614 if (status != 0) { 615 uint16_t port = dev->data->port_id; 616 ARK_PMD_LOG(ERR, 617 "tx_queue stop anomaly" 618 " port %u, queue %u\n", 619 port, i); 620 } 621 } 622 623 /* Stop DDM */ 624 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 625 for (i = 0; i < 10; i++) { 626 status = ark_ddm_stop(ark->ddm.v, 1); 627 if (status == 0) 628 break; 629 } 630 if (status || i != 0) { 631 ARK_PMD_LOG(ERR, "DDM stop anomaly. status:" 632 " %d iter: %u. (%s)\n", 633 status, 634 i, 635 __func__); 636 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 637 638 mpu = ark->mputx.v; 639 for (i = 0; i < ark->tx_queues; i++) { 640 ark_mpu_dump(mpu, "DDM failure dump", i); 641 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 642 } 643 } 644 645 /* STOP RX Side */ 646 /* Stop UDM multiple tries attempted */ 647 for (i = 0; i < 10; i++) { 648 status = ark_udm_stop(ark->udm.v, 1); 649 if (status == 0) 650 break; 651 } 652 if (status || i != 0) { 653 ARK_PMD_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 654 status, i, __func__); 655 ark_udm_dump(ark->udm.v, "Stop anomaly"); 656 657 mpu = ark->mpurx.v; 658 for (i = 0; i < ark->rx_queues; i++) { 659 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 660 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 661 } 662 } 663 664 ark_udm_dump_stats(ark->udm.v, "Post stop"); 665 ark_udm_dump_perf(ark->udm.v, "Post stop"); 666 667 for (i = 0; i < dev->data->nb_rx_queues; i++) 668 eth_ark_rx_dump_queue(dev, i, __func__); 669 670 /* Stop the packet checker if it is running */ 671 if (ark->start_pg) { 672 ark_pktchkr_dump_stats(ark->pc); 673 ark_pktchkr_stop(ark->pc); 674 } 675 676 return 0; 677 } 678 679 static int 680 eth_ark_dev_close(struct rte_eth_dev *dev) 681 { 682 struct ark_adapter *ark = dev->data->dev_private; 683 uint16_t i; 684 685 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 686 return 0; 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 return 0; 711 } 712 713 static int 714 eth_ark_dev_info_get(struct rte_eth_dev *dev, 715 struct rte_eth_dev_info *dev_info) 716 { 717 struct ark_adapter *ark = dev->data->dev_private; 718 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 719 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 720 uint16_t ports = ark->num_ports; 721 722 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 723 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 724 725 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 726 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 727 728 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 729 .nb_max = ARK_RX_MAX_QUEUE, 730 .nb_min = ARK_RX_MIN_QUEUE, 731 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 732 733 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 734 .nb_max = ARK_TX_MAX_QUEUE, 735 .nb_min = ARK_TX_MIN_QUEUE, 736 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 737 738 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 739 dev_info->speed_capa = (RTE_ETH_LINK_SPEED_1G | 740 RTE_ETH_LINK_SPEED_10G | 741 RTE_ETH_LINK_SPEED_25G | 742 RTE_ETH_LINK_SPEED_40G | 743 RTE_ETH_LINK_SPEED_50G | 744 RTE_ETH_LINK_SPEED_100G); 745 746 dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_TIMESTAMP; 747 748 return 0; 749 } 750 751 static int 752 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 753 { 754 ARK_PMD_LOG(DEBUG, "link status = %d\n", 755 dev->data->dev_link.link_status); 756 struct ark_adapter *ark = 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 = dev->data->dev_private; 771 772 if (ark->user_ext.dev_set_link_up) 773 return ark->user_ext.dev_set_link_up(dev, 774 ark->user_data[dev->data->port_id]); 775 return 0; 776 } 777 778 static int 779 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 780 { 781 dev->data->dev_link.link_status = 0; 782 struct ark_adapter *ark = dev->data->dev_private; 783 784 if (ark->user_ext.dev_set_link_down) 785 return ark->user_ext.dev_set_link_down(dev, 786 ark->user_data[dev->data->port_id]); 787 return 0; 788 } 789 790 static int 791 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 792 { 793 uint16_t i; 794 struct ark_adapter *ark = dev->data->dev_private; 795 796 stats->ipackets = 0; 797 stats->ibytes = 0; 798 stats->opackets = 0; 799 stats->obytes = 0; 800 stats->imissed = 0; 801 stats->oerrors = 0; 802 803 for (i = 0; i < dev->data->nb_tx_queues; i++) 804 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 805 for (i = 0; i < dev->data->nb_rx_queues; i++) 806 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 807 if (ark->user_ext.stats_get) 808 return ark->user_ext.stats_get(dev, stats, 809 ark->user_data[dev->data->port_id]); 810 return 0; 811 } 812 813 static int 814 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 815 { 816 uint16_t i; 817 struct ark_adapter *ark = dev->data->dev_private; 818 819 for (i = 0; i < dev->data->nb_tx_queues; i++) 820 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 821 for (i = 0; i < dev->data->nb_rx_queues; i++) 822 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 823 if (ark->user_ext.stats_reset) 824 ark->user_ext.stats_reset(dev, 825 ark->user_data[dev->data->port_id]); 826 827 return 0; 828 } 829 830 static int 831 eth_ark_macaddr_add(struct rte_eth_dev *dev, 832 struct rte_ether_addr *mac_addr, 833 uint32_t index, 834 uint32_t pool) 835 { 836 struct ark_adapter *ark = dev->data->dev_private; 837 838 if (ark->user_ext.mac_addr_add) { 839 ark->user_ext.mac_addr_add(dev, 840 mac_addr, 841 index, 842 pool, 843 ark->user_data[dev->data->port_id]); 844 return 0; 845 } 846 return -ENOTSUP; 847 } 848 849 static void 850 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 851 { 852 struct ark_adapter *ark = dev->data->dev_private; 853 854 if (ark->user_ext.mac_addr_remove) 855 ark->user_ext.mac_addr_remove(dev, index, 856 ark->user_data[dev->data->port_id]); 857 } 858 859 static int 860 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 861 struct rte_ether_addr *mac_addr) 862 { 863 struct ark_adapter *ark = dev->data->dev_private; 864 865 if (ark->user_ext.mac_addr_set) { 866 ark->user_ext.mac_addr_set(dev, mac_addr, 867 ark->user_data[dev->data->port_id]); 868 return 0; 869 } 870 return -ENOTSUP; 871 } 872 873 static int 874 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 875 { 876 struct ark_adapter *ark = dev->data->dev_private; 877 878 if (ark->user_ext.set_mtu) 879 return ark->user_ext.set_mtu(dev, size, 880 ark->user_data[dev->data->port_id]); 881 882 return -ENOTSUP; 883 } 884 885 static inline int 886 process_pktdir_arg(const char *key, const char *value, 887 void *extra_args) 888 { 889 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 890 key, value); 891 struct ark_adapter *ark = 892 (struct ark_adapter *)extra_args; 893 894 ark->pkt_dir_v = strtol(value, NULL, 16); 895 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 896 return 0; 897 } 898 899 static inline int 900 process_file_args(const char *key, const char *value, void *extra_args) 901 { 902 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 903 key, value); 904 char *args = (char *)extra_args; 905 906 /* Open the configuration file */ 907 FILE *file = fopen(value, "r"); 908 char line[ARK_MAX_ARG_LEN]; 909 int size = 0; 910 int first = 1; 911 912 if (file == NULL) { 913 ARK_PMD_LOG(ERR, "Unable to open " 914 "config file %s\n", value); 915 return -1; 916 } 917 918 while (fgets(line, sizeof(line), file)) { 919 size += strlen(line); 920 if (size >= ARK_MAX_ARG_LEN) { 921 ARK_PMD_LOG(ERR, "Unable to parse file %s args, " 922 "parameter list is too long\n", value); 923 fclose(file); 924 return -1; 925 } 926 if (first) { 927 strncpy(args, line, ARK_MAX_ARG_LEN); 928 first = 0; 929 } else { 930 strncat(args, line, ARK_MAX_ARG_LEN); 931 } 932 } 933 ARK_PMD_LOG(DEBUG, "file = %s\n", args); 934 fclose(file); 935 return 0; 936 } 937 938 static int 939 eth_ark_check_args(struct ark_adapter *ark, const char *params) 940 { 941 struct rte_kvargs *kvlist; 942 unsigned int k_idx; 943 struct rte_kvargs_pair *pair = NULL; 944 int ret = -1; 945 946 kvlist = rte_kvargs_parse(params, valid_arguments); 947 if (kvlist == NULL) 948 return 0; 949 950 ark->pkt_gen_args[0] = 0; 951 ark->pkt_chkr_args[0] = 0; 952 953 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 954 pair = &kvlist->pairs[k_idx]; 955 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 956 pair->key, 957 pair->value); 958 } 959 960 if (rte_kvargs_process(kvlist, 961 ARK_PKTDIR_ARG, 962 &process_pktdir_arg, 963 ark) != 0) { 964 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 965 goto free_kvlist; 966 } 967 968 if (rte_kvargs_process(kvlist, 969 ARK_PKTGEN_ARG, 970 &process_file_args, 971 ark->pkt_gen_args) != 0) { 972 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 973 goto free_kvlist; 974 } 975 976 if (rte_kvargs_process(kvlist, 977 ARK_PKTCHKR_ARG, 978 &process_file_args, 979 ark->pkt_chkr_args) != 0) { 980 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 981 goto free_kvlist; 982 } 983 984 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 985 /* Setup the packet director */ 986 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 987 988 /* Setup the packet generator */ 989 if (ark->pkt_gen_args[0]) { 990 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n"); 991 ark_pktgen_parse(ark->pkt_gen_args); 992 ark_pktgen_reset(ark->pg); 993 ark_pktgen_setup(ark->pg); 994 ark->start_pg = 1; 995 } 996 997 /* Setup the packet checker */ 998 if (ark->pkt_chkr_args[0]) { 999 ark_pktchkr_parse(ark->pkt_chkr_args); 1000 ark_pktchkr_setup(ark->pc); 1001 } 1002 1003 ret = 0; 1004 1005 free_kvlist: 1006 rte_kvargs_free(kvlist); 1007 1008 return ret; 1009 } 1010 1011 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1012 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1013 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1014 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1015 ARK_PKTGEN_ARG "=<filename> " 1016 ARK_PKTCHKR_ARG "=<filename> " 1017 ARK_PKTDIR_ARG "=<bitmap>"); 1018 RTE_LOG_REGISTER_DEFAULT(ark_logtype, NOTICE); 1019