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 #define AR_VENDOR_ID 0x1d6c 89 static const struct rte_pci_id pci_id_ark_map[] = { 90 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100d)}, 91 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100e)}, 92 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100f)}, 93 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1010)}, 94 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1017)}, 95 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1018)}, 96 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1019)}, 97 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101e)}, 98 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101f)}, 99 {.vendor_id = 0, /* sentinel */ }, 100 }; 101 102 /* 103 * This structure is used to statically define the capabilities 104 * of supported devices. 105 * Capabilities: 106 * rqpacing - 107 * Some HW variants require that PCIe read-requests be correctly throttled. 108 * This is called "rqpacing" and has to do with credit and flow control 109 * on certain Arkville implementations. 110 */ 111 struct ark_caps { 112 bool rqpacing; 113 }; 114 struct ark_dev_caps { 115 uint32_t device_id; 116 struct ark_caps caps; 117 }; 118 #define SET_DEV_CAPS(id, rqp) \ 119 {id, {.rqpacing = rqp} } 120 121 static const struct ark_dev_caps 122 ark_device_caps[] = { 123 SET_DEV_CAPS(0x100d, true), 124 SET_DEV_CAPS(0x100e, true), 125 SET_DEV_CAPS(0x100f, true), 126 SET_DEV_CAPS(0x1010, false), 127 SET_DEV_CAPS(0x1017, true), 128 SET_DEV_CAPS(0x1018, true), 129 SET_DEV_CAPS(0x1019, true), 130 SET_DEV_CAPS(0x101e, false), 131 SET_DEV_CAPS(0x101f, false), 132 {.device_id = 0,} 133 }; 134 135 static int 136 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 137 struct rte_pci_device *pci_dev) 138 { 139 struct rte_eth_dev *eth_dev; 140 int ret; 141 142 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 143 144 if (eth_dev == NULL) 145 return -ENOMEM; 146 147 ret = eth_ark_dev_init(eth_dev); 148 if (ret) 149 rte_eth_dev_release_port(eth_dev); 150 151 return ret; 152 } 153 154 static int 155 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 156 { 157 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 158 } 159 160 static struct rte_pci_driver rte_ark_pmd = { 161 .id_table = pci_id_ark_map, 162 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 163 .probe = eth_ark_pci_probe, 164 .remove = eth_ark_pci_remove, 165 }; 166 167 static const struct eth_dev_ops ark_eth_dev_ops = { 168 .dev_configure = eth_ark_dev_configure, 169 .dev_start = eth_ark_dev_start, 170 .dev_stop = eth_ark_dev_stop, 171 .dev_close = eth_ark_dev_close, 172 173 .dev_infos_get = eth_ark_dev_info_get, 174 175 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 176 .tx_queue_setup = eth_ark_tx_queue_setup, 177 178 .link_update = eth_ark_dev_link_update, 179 .dev_set_link_up = eth_ark_dev_set_link_up, 180 .dev_set_link_down = eth_ark_dev_set_link_down, 181 182 .rx_queue_start = eth_ark_rx_start_queue, 183 .rx_queue_stop = eth_ark_rx_stop_queue, 184 185 .tx_queue_start = eth_ark_tx_queue_start, 186 .tx_queue_stop = eth_ark_tx_queue_stop, 187 188 .stats_get = eth_ark_dev_stats_get, 189 .stats_reset = eth_ark_dev_stats_reset, 190 191 .mac_addr_add = eth_ark_macaddr_add, 192 .mac_addr_remove = eth_ark_macaddr_remove, 193 .mac_addr_set = eth_ark_set_default_mac_addr, 194 195 .mtu_set = eth_ark_set_mtu, 196 }; 197 198 static int 199 check_for_ext(struct ark_adapter *ark) 200 { 201 int found = 0; 202 203 /* Get the env */ 204 const char *dllpath = getenv("ARK_EXT_PATH"); 205 206 if (dllpath == NULL) { 207 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n"); 208 return 0; 209 } 210 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath); 211 212 /* Open and load the .so */ 213 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 214 if (ark->d_handle == NULL) { 215 ARK_PMD_LOG(ERR, "Could not load user extension %s\n", 216 dllpath); 217 return -1; 218 } 219 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n", 220 dllpath); 221 222 /* Get the entry points */ 223 ark->user_ext.dev_init = 224 (void *(*)(struct rte_eth_dev *, void *, int)) 225 dlsym(ark->d_handle, "rte_pmd_ark_dev_init"); 226 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n", 227 ark->user_ext.dev_init); 228 ark->user_ext.dev_get_port_count = 229 (int (*)(struct rte_eth_dev *, void *)) 230 dlsym(ark->d_handle, "rte_pmd_ark_dev_get_port_count"); 231 ark->user_ext.dev_uninit = 232 (void (*)(struct rte_eth_dev *, void *)) 233 dlsym(ark->d_handle, "rte_pmd_ark_dev_uninit"); 234 ark->user_ext.dev_configure = 235 (int (*)(struct rte_eth_dev *, void *)) 236 dlsym(ark->d_handle, "rte_pmd_ark_dev_configure"); 237 ark->user_ext.dev_start = 238 (int (*)(struct rte_eth_dev *, void *)) 239 dlsym(ark->d_handle, "rte_pmd_ark_dev_start"); 240 ark->user_ext.dev_stop = 241 (void (*)(struct rte_eth_dev *, void *)) 242 dlsym(ark->d_handle, "rte_pmd_ark_dev_stop"); 243 ark->user_ext.dev_close = 244 (void (*)(struct rte_eth_dev *, void *)) 245 dlsym(ark->d_handle, "rte_pmd_ark_dev_close"); 246 ark->user_ext.link_update = 247 (int (*)(struct rte_eth_dev *, int, void *)) 248 dlsym(ark->d_handle, "rte_pmd_ark_link_update"); 249 ark->user_ext.dev_set_link_up = 250 (int (*)(struct rte_eth_dev *, void *)) 251 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_up"); 252 ark->user_ext.dev_set_link_down = 253 (int (*)(struct rte_eth_dev *, void *)) 254 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_down"); 255 ark->user_ext.stats_get = 256 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 257 void *)) 258 dlsym(ark->d_handle, "rte_pmd_ark_stats_get"); 259 ark->user_ext.stats_reset = 260 (void (*)(struct rte_eth_dev *, void *)) 261 dlsym(ark->d_handle, "rte_pmd_ark_stats_reset"); 262 ark->user_ext.mac_addr_add = 263 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 264 uint32_t, uint32_t, void *)) 265 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_add"); 266 ark->user_ext.mac_addr_remove = 267 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 268 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_remove"); 269 ark->user_ext.mac_addr_set = 270 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 271 void *)) 272 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_set"); 273 ark->user_ext.set_mtu = 274 (int (*)(struct rte_eth_dev *, uint16_t, 275 void *)) 276 dlsym(ark->d_handle, "rte_pmd_ark_set_mtu"); 277 ark->user_ext.rx_user_meta_hook = 278 (rx_user_meta_hook_fn)dlsym(ark->d_handle, 279 "rte_pmd_ark_rx_user_meta_hook"); 280 ark->user_ext.tx_user_meta_hook = 281 (tx_user_meta_hook_fn)dlsym(ark->d_handle, 282 "rte_pmd_ark_tx_user_meta_hook"); 283 284 return found; 285 } 286 287 static int 288 eth_ark_dev_init(struct rte_eth_dev *dev) 289 { 290 struct ark_adapter *ark = dev->data->dev_private; 291 struct rte_pci_device *pci_dev; 292 int ret; 293 int port_count = 1; 294 int p; 295 bool rqpacing = false; 296 297 ark->eth_dev = dev; 298 299 ARK_PMD_LOG(DEBUG, "\n"); 300 301 /* Check to see if there is an extension that we need to load */ 302 ret = check_for_ext(ark); 303 if (ret) 304 return ret; 305 306 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 307 rte_eth_copy_pci_info(dev, pci_dev); 308 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 309 310 p = 0; 311 while (ark_device_caps[p].device_id != 0) { 312 if (pci_dev->id.device_id == ark_device_caps[p].device_id) { 313 rqpacing = ark_device_caps[p].caps.rqpacing; 314 break; 315 } 316 p++; 317 } 318 319 /* Use dummy function until setup */ 320 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 321 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 322 323 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 324 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 325 326 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 327 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 328 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 329 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 330 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 331 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 332 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 333 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 334 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 335 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 336 337 if (rqpacing) { 338 ark->rqpacing = 339 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 340 } else { 341 ark->rqpacing = NULL; 342 } 343 ark->started = 0; 344 ark->pkt_dir_v = ARK_PKT_DIR_INIT_VAL; 345 346 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 347 ark->sysctrl.t32[4], 348 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 349 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n", 350 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 351 352 /* If HW sanity test fails, return an error */ 353 if (ark->sysctrl.t32[4] != 0xcafef00d) { 354 ARK_PMD_LOG(ERR, 355 "HW Sanity test has failed, expected constant" 356 " 0x%x, read 0x%x (%s)\n", 357 0xcafef00d, 358 ark->sysctrl.t32[4], __func__); 359 return -1; 360 } 361 if (ark->sysctrl.t32[3] != 0) { 362 if (ark->rqpacing) { 363 if (ark_rqp_lasped(ark->rqpacing)) { 364 ARK_PMD_LOG(ERR, "Arkville Evaluation System - " 365 "Timer has Expired\n"); 366 return -1; 367 } 368 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - " 369 "Timer is Running\n"); 370 } 371 } 372 373 ARK_PMD_LOG(DEBUG, 374 "HW Sanity test has PASSED, expected constant" 375 " 0x%x, read 0x%x (%s)\n", 376 0xcafef00d, ark->sysctrl.t32[4], __func__); 377 378 /* We are a single function multi-port device. */ 379 ret = ark_config_device(dev); 380 if (ret) 381 return -1; 382 383 dev->dev_ops = &ark_eth_dev_ops; 384 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 385 386 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 387 if (!dev->data->mac_addrs) { 388 ARK_PMD_LOG(ERR, 389 "Failed to allocated memory for storing mac address" 390 ); 391 } 392 393 if (ark->user_ext.dev_init) { 394 ark->user_data[dev->data->port_id] = 395 ark->user_ext.dev_init(dev, ark->a_bar, 0); 396 if (!ark->user_data[dev->data->port_id]) { 397 ARK_PMD_LOG(WARNING, 398 "Failed to initialize PMD extension!" 399 " continuing without it\n"); 400 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 401 dlclose(ark->d_handle); 402 } 403 } 404 405 if (pci_dev->device.devargs) 406 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 407 else 408 ARK_PMD_LOG(INFO, "No Device args found\n"); 409 410 if (ret) 411 goto error; 412 /* 413 * We will create additional devices based on the number of requested 414 * ports 415 */ 416 if (ark->user_ext.dev_get_port_count) 417 port_count = 418 ark->user_ext.dev_get_port_count(dev, 419 ark->user_data[dev->data->port_id]); 420 ark->num_ports = port_count; 421 422 for (p = 0; p < port_count; p++) { 423 struct rte_eth_dev *eth_dev; 424 char name[RTE_ETH_NAME_MAX_LEN]; 425 426 snprintf(name, sizeof(name), "arketh%d", 427 dev->data->port_id + p); 428 429 if (p == 0) { 430 /* First port is already allocated by DPDK */ 431 eth_dev = ark->eth_dev; 432 rte_eth_dev_probing_finish(eth_dev); 433 continue; 434 } 435 436 /* reserve an ethdev entry */ 437 eth_dev = rte_eth_dev_allocate(name); 438 if (!eth_dev) { 439 ARK_PMD_LOG(ERR, 440 "Could not allocate eth_dev for port %d\n", 441 p); 442 goto error; 443 } 444 445 eth_dev->device = &pci_dev->device; 446 eth_dev->data->dev_private = ark; 447 eth_dev->dev_ops = ark->eth_dev->dev_ops; 448 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 449 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 450 451 rte_eth_copy_pci_info(eth_dev, pci_dev); 452 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 453 454 eth_dev->data->mac_addrs = rte_zmalloc(name, 455 RTE_ETHER_ADDR_LEN, 0); 456 if (!eth_dev->data->mac_addrs) { 457 ARK_PMD_LOG(ERR, 458 "Memory allocation for MAC failed!" 459 " Exiting.\n"); 460 goto error; 461 } 462 463 if (ark->user_ext.dev_init) { 464 ark->user_data[eth_dev->data->port_id] = 465 ark->user_ext.dev_init(dev, ark->a_bar, p); 466 } 467 468 rte_eth_dev_probing_finish(eth_dev); 469 } 470 471 return ret; 472 473 error: 474 rte_free(dev->data->mac_addrs); 475 dev->data->mac_addrs = NULL; 476 return -1; 477 } 478 479 /* 480 *Initial device configuration when device is opened 481 * setup the DDM, and UDM 482 * Called once per PCIE device 483 */ 484 static int 485 ark_config_device(struct rte_eth_dev *dev) 486 { 487 struct ark_adapter *ark = dev->data->dev_private; 488 uint16_t num_q, i; 489 struct ark_mpu_t *mpu; 490 491 /* 492 * Make sure that the packet director, generator and checker are in a 493 * known state 494 */ 495 ark->start_pg = 0; 496 ark->pg_running = 0; 497 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 498 if (ark->pg == NULL) 499 return -1; 500 ark_pktgen_reset(ark->pg); 501 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 502 if (ark->pc == NULL) 503 return -1; 504 ark_pktchkr_stop(ark->pc); 505 ark->pd = ark_pktdir_init(ark->pktdir.v); 506 if (ark->pd == NULL) 507 return -1; 508 509 /* Verify HW */ 510 if (ark_udm_verify(ark->udm.v)) 511 return -1; 512 if (ark_ddm_verify(ark->ddm.v)) 513 return -1; 514 515 /* UDM */ 516 if (ark_udm_reset(ark->udm.v)) { 517 ARK_PMD_LOG(ERR, "Unable to stop and reset UDM\n"); 518 return -1; 519 } 520 /* Keep in reset until the MPU are cleared */ 521 522 /* MPU reset */ 523 mpu = ark->mpurx.v; 524 num_q = ark_api_num_queues(mpu); 525 ark->rx_queues = num_q; 526 for (i = 0; i < num_q; i++) { 527 ark_mpu_reset(mpu); 528 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 529 } 530 531 /* TX -- DDM */ 532 if (ark_ddm_stop(ark->ddm.v, 1)) 533 ARK_PMD_LOG(ERR, "Unable to stop DDM\n"); 534 535 mpu = ark->mputx.v; 536 num_q = ark_api_num_queues(mpu); 537 ark->tx_queues = num_q; 538 for (i = 0; i < num_q; i++) { 539 ark_mpu_reset(mpu); 540 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 541 } 542 543 ark_ddm_reset(ark->ddm.v); 544 ark_ddm_stats_reset(ark->ddm.v); 545 546 ark_ddm_stop(ark->ddm.v, 0); 547 if (ark->rqpacing) 548 ark_rqp_stats_reset(ark->rqpacing); 549 550 return 0; 551 } 552 553 static int 554 eth_ark_dev_uninit(struct rte_eth_dev *dev) 555 { 556 struct ark_adapter *ark = dev->data->dev_private; 557 558 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 559 return 0; 560 561 if (ark->user_ext.dev_uninit) 562 ark->user_ext.dev_uninit(dev, 563 ark->user_data[dev->data->port_id]); 564 565 ark_pktgen_uninit(ark->pg); 566 ark_pktchkr_uninit(ark->pc); 567 568 return 0; 569 } 570 571 static int 572 eth_ark_dev_configure(struct rte_eth_dev *dev) 573 { 574 struct ark_adapter *ark = dev->data->dev_private; 575 576 eth_ark_dev_set_link_up(dev); 577 if (ark->user_ext.dev_configure) 578 return ark->user_ext.dev_configure(dev, 579 ark->user_data[dev->data->port_id]); 580 return 0; 581 } 582 583 static int 584 eth_ark_dev_start(struct rte_eth_dev *dev) 585 { 586 struct ark_adapter *ark = dev->data->dev_private; 587 int i; 588 589 /* RX Side */ 590 /* start UDM */ 591 ark_udm_start(ark->udm.v); 592 593 for (i = 0; i < dev->data->nb_rx_queues; i++) 594 eth_ark_rx_start_queue(dev, i); 595 596 /* TX Side */ 597 for (i = 0; i < dev->data->nb_tx_queues; i++) 598 eth_ark_tx_queue_start(dev, i); 599 600 /* start DDM */ 601 ark_ddm_start(ark->ddm.v); 602 603 ark->started = 1; 604 /* set xmit and receive function */ 605 dev->rx_pkt_burst = ð_ark_recv_pkts; 606 dev->tx_pkt_burst = ð_ark_xmit_pkts; 607 608 if (ark->start_pg) 609 ark_pktchkr_run(ark->pc); 610 611 if (ark->start_pg && !ark->pg_running) { 612 pthread_t thread; 613 614 /* Delay packet generatpr start allow the hardware to be ready 615 * This is only used for sanity checking with internal generator 616 */ 617 char tname[32]; 618 snprintf(tname, sizeof(tname), "ark-delay-pg-%d", 619 dev->data->port_id); 620 621 if (rte_ctrl_thread_create(&thread, tname, NULL, 622 ark_pktgen_delay_start, ark->pg)) { 623 ARK_PMD_LOG(ERR, "Could not create pktgen " 624 "starter thread\n"); 625 return -1; 626 } 627 ark->pg_running = 1; 628 } 629 630 if (ark->user_ext.dev_start) 631 ark->user_ext.dev_start(dev, 632 ark->user_data[dev->data->port_id]); 633 634 return 0; 635 } 636 637 static int 638 eth_ark_dev_stop(struct rte_eth_dev *dev) 639 { 640 uint16_t i; 641 int status; 642 struct ark_adapter *ark = dev->data->dev_private; 643 struct ark_mpu_t *mpu; 644 645 if (ark->started == 0) 646 return 0; 647 ark->started = 0; 648 dev->data->dev_started = 0; 649 650 /* Stop the extension first */ 651 if (ark->user_ext.dev_stop) 652 ark->user_ext.dev_stop(dev, 653 ark->user_data[dev->data->port_id]); 654 655 /* Stop the packet generator */ 656 if (ark->start_pg && ark->pg_running) { 657 ark_pktgen_pause(ark->pg); 658 ark->pg_running = 0; 659 } 660 661 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 662 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 663 664 /* STOP TX Side */ 665 for (i = 0; i < dev->data->nb_tx_queues; i++) { 666 status = eth_ark_tx_queue_stop(dev, i); 667 if (status != 0) { 668 uint16_t port = dev->data->port_id; 669 ARK_PMD_LOG(ERR, 670 "tx_queue stop anomaly" 671 " port %u, queue %u\n", 672 port, i); 673 } 674 } 675 676 /* Stop DDM */ 677 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 678 for (i = 0; i < 10; i++) { 679 status = ark_ddm_stop(ark->ddm.v, 1); 680 if (status == 0) 681 break; 682 } 683 if (status || i != 0) { 684 ARK_PMD_LOG(ERR, "DDM stop anomaly. status:" 685 " %d iter: %u. (%s)\n", 686 status, 687 i, 688 __func__); 689 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 690 691 mpu = ark->mputx.v; 692 for (i = 0; i < ark->tx_queues; i++) { 693 ark_mpu_dump(mpu, "DDM failure dump", i); 694 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 695 } 696 } 697 698 /* STOP RX Side */ 699 /* Stop UDM multiple tries attempted */ 700 for (i = 0; i < 10; i++) { 701 status = ark_udm_stop(ark->udm.v, 1); 702 if (status == 0) 703 break; 704 } 705 if (status || i != 0) { 706 ARK_PMD_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 707 status, i, __func__); 708 ark_udm_dump(ark->udm.v, "Stop anomaly"); 709 710 mpu = ark->mpurx.v; 711 for (i = 0; i < ark->rx_queues; i++) { 712 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 713 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 714 } 715 } 716 717 ark_udm_dump_stats(ark->udm.v, "Post stop"); 718 ark_udm_dump_perf(ark->udm.v, "Post stop"); 719 720 for (i = 0; i < dev->data->nb_rx_queues; i++) 721 eth_ark_rx_dump_queue(dev, i, __func__); 722 723 /* Stop the packet checker if it is running */ 724 if (ark->start_pg) { 725 ark_pktchkr_dump_stats(ark->pc); 726 ark_pktchkr_stop(ark->pc); 727 } 728 729 return 0; 730 } 731 732 static int 733 eth_ark_dev_close(struct rte_eth_dev *dev) 734 { 735 struct ark_adapter *ark = dev->data->dev_private; 736 uint16_t i; 737 738 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 739 return 0; 740 741 if (ark->user_ext.dev_close) 742 ark->user_ext.dev_close(dev, 743 ark->user_data[dev->data->port_id]); 744 745 eth_ark_dev_stop(dev); 746 eth_ark_udm_force_close(dev); 747 748 /* 749 * TODO This should only be called once for the device during shutdown 750 */ 751 if (ark->rqpacing) 752 ark_rqp_dump(ark->rqpacing); 753 754 for (i = 0; i < dev->data->nb_tx_queues; i++) { 755 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 756 dev->data->tx_queues[i] = 0; 757 } 758 759 for (i = 0; i < dev->data->nb_rx_queues; i++) { 760 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 761 dev->data->rx_queues[i] = 0; 762 } 763 764 return 0; 765 } 766 767 static int 768 eth_ark_dev_info_get(struct rte_eth_dev *dev, 769 struct rte_eth_dev_info *dev_info) 770 { 771 struct ark_adapter *ark = dev->data->dev_private; 772 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 773 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 774 uint16_t ports = ark->num_ports; 775 776 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 777 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 778 779 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 780 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 781 782 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 783 .nb_max = ARK_RX_MAX_QUEUE, 784 .nb_min = ARK_RX_MIN_QUEUE, 785 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 786 787 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 788 .nb_max = ARK_TX_MAX_QUEUE, 789 .nb_min = ARK_TX_MIN_QUEUE, 790 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 791 792 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 793 dev_info->speed_capa = (RTE_ETH_LINK_SPEED_1G | 794 RTE_ETH_LINK_SPEED_10G | 795 RTE_ETH_LINK_SPEED_25G | 796 RTE_ETH_LINK_SPEED_40G | 797 RTE_ETH_LINK_SPEED_50G | 798 RTE_ETH_LINK_SPEED_100G); 799 800 dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_TIMESTAMP; 801 802 return 0; 803 } 804 805 static int 806 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 807 { 808 ARK_PMD_LOG(DEBUG, "link status = %d\n", 809 dev->data->dev_link.link_status); 810 struct ark_adapter *ark = dev->data->dev_private; 811 812 if (ark->user_ext.link_update) { 813 return ark->user_ext.link_update 814 (dev, wait_to_complete, 815 ark->user_data[dev->data->port_id]); 816 } 817 return 0; 818 } 819 820 static int 821 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 822 { 823 dev->data->dev_link.link_status = 1; 824 struct ark_adapter *ark = dev->data->dev_private; 825 826 if (ark->user_ext.dev_set_link_up) 827 return ark->user_ext.dev_set_link_up(dev, 828 ark->user_data[dev->data->port_id]); 829 return 0; 830 } 831 832 static int 833 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 834 { 835 dev->data->dev_link.link_status = 0; 836 struct ark_adapter *ark = dev->data->dev_private; 837 838 if (ark->user_ext.dev_set_link_down) 839 return ark->user_ext.dev_set_link_down(dev, 840 ark->user_data[dev->data->port_id]); 841 return 0; 842 } 843 844 static int 845 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 846 { 847 uint16_t i; 848 struct ark_adapter *ark = dev->data->dev_private; 849 850 stats->ipackets = 0; 851 stats->ibytes = 0; 852 stats->opackets = 0; 853 stats->obytes = 0; 854 stats->imissed = 0; 855 stats->oerrors = 0; 856 857 for (i = 0; i < dev->data->nb_tx_queues; i++) 858 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 859 for (i = 0; i < dev->data->nb_rx_queues; i++) 860 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 861 if (ark->user_ext.stats_get) 862 return ark->user_ext.stats_get(dev, stats, 863 ark->user_data[dev->data->port_id]); 864 return 0; 865 } 866 867 static int 868 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 869 { 870 uint16_t i; 871 struct ark_adapter *ark = dev->data->dev_private; 872 873 for (i = 0; i < dev->data->nb_tx_queues; i++) 874 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 875 for (i = 0; i < dev->data->nb_rx_queues; i++) 876 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 877 if (ark->user_ext.stats_reset) 878 ark->user_ext.stats_reset(dev, 879 ark->user_data[dev->data->port_id]); 880 881 return 0; 882 } 883 884 static int 885 eth_ark_macaddr_add(struct rte_eth_dev *dev, 886 struct rte_ether_addr *mac_addr, 887 uint32_t index, 888 uint32_t pool) 889 { 890 struct ark_adapter *ark = dev->data->dev_private; 891 892 if (ark->user_ext.mac_addr_add) { 893 ark->user_ext.mac_addr_add(dev, 894 mac_addr, 895 index, 896 pool, 897 ark->user_data[dev->data->port_id]); 898 return 0; 899 } 900 return -ENOTSUP; 901 } 902 903 static void 904 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 905 { 906 struct ark_adapter *ark = dev->data->dev_private; 907 908 if (ark->user_ext.mac_addr_remove) 909 ark->user_ext.mac_addr_remove(dev, index, 910 ark->user_data[dev->data->port_id]); 911 } 912 913 static int 914 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 915 struct rte_ether_addr *mac_addr) 916 { 917 struct ark_adapter *ark = dev->data->dev_private; 918 919 if (ark->user_ext.mac_addr_set) { 920 ark->user_ext.mac_addr_set(dev, mac_addr, 921 ark->user_data[dev->data->port_id]); 922 return 0; 923 } 924 return -ENOTSUP; 925 } 926 927 static int 928 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 929 { 930 struct ark_adapter *ark = dev->data->dev_private; 931 932 if (ark->user_ext.set_mtu) 933 return ark->user_ext.set_mtu(dev, size, 934 ark->user_data[dev->data->port_id]); 935 936 return -ENOTSUP; 937 } 938 939 static inline int 940 process_pktdir_arg(const char *key, const char *value, 941 void *extra_args) 942 { 943 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 944 key, value); 945 struct ark_adapter *ark = 946 (struct ark_adapter *)extra_args; 947 948 ark->pkt_dir_v = strtol(value, NULL, 16); 949 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 950 return 0; 951 } 952 953 static inline int 954 process_file_args(const char *key, const char *value, void *extra_args) 955 { 956 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 957 key, value); 958 char *args = (char *)extra_args; 959 960 /* Open the configuration file */ 961 FILE *file = fopen(value, "r"); 962 char line[ARK_MAX_ARG_LEN]; 963 int size = 0; 964 int first = 1; 965 966 if (file == NULL) { 967 ARK_PMD_LOG(ERR, "Unable to open " 968 "config file %s\n", value); 969 return -1; 970 } 971 972 while (fgets(line, sizeof(line), file)) { 973 size += strlen(line); 974 if (size >= ARK_MAX_ARG_LEN) { 975 ARK_PMD_LOG(ERR, "Unable to parse file %s args, " 976 "parameter list is too long\n", value); 977 fclose(file); 978 return -1; 979 } 980 if (first) { 981 strncpy(args, line, ARK_MAX_ARG_LEN); 982 first = 0; 983 } else { 984 strncat(args, line, ARK_MAX_ARG_LEN); 985 } 986 } 987 ARK_PMD_LOG(DEBUG, "file = %s\n", args); 988 fclose(file); 989 return 0; 990 } 991 992 static int 993 eth_ark_check_args(struct ark_adapter *ark, const char *params) 994 { 995 struct rte_kvargs *kvlist; 996 unsigned int k_idx; 997 struct rte_kvargs_pair *pair = NULL; 998 int ret = -1; 999 1000 kvlist = rte_kvargs_parse(params, valid_arguments); 1001 if (kvlist == NULL) 1002 return 0; 1003 1004 ark->pkt_gen_args[0] = 0; 1005 ark->pkt_chkr_args[0] = 0; 1006 1007 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 1008 pair = &kvlist->pairs[k_idx]; 1009 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 1010 pair->key, 1011 pair->value); 1012 } 1013 1014 if (rte_kvargs_process(kvlist, 1015 ARK_PKTDIR_ARG, 1016 &process_pktdir_arg, 1017 ark) != 0) { 1018 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 1019 goto free_kvlist; 1020 } 1021 1022 if (rte_kvargs_process(kvlist, 1023 ARK_PKTGEN_ARG, 1024 &process_file_args, 1025 ark->pkt_gen_args) != 0) { 1026 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 1027 goto free_kvlist; 1028 } 1029 1030 if (rte_kvargs_process(kvlist, 1031 ARK_PKTCHKR_ARG, 1032 &process_file_args, 1033 ark->pkt_chkr_args) != 0) { 1034 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 1035 goto free_kvlist; 1036 } 1037 1038 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 1039 /* Setup the packet director */ 1040 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 1041 1042 /* Setup the packet generator */ 1043 if (ark->pkt_gen_args[0]) { 1044 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n"); 1045 ark_pktgen_parse(ark->pkt_gen_args); 1046 ark_pktgen_reset(ark->pg); 1047 ark_pktgen_setup(ark->pg); 1048 ark->start_pg = 1; 1049 } 1050 1051 /* Setup the packet checker */ 1052 if (ark->pkt_chkr_args[0]) { 1053 ark_pktchkr_parse(ark->pkt_chkr_args); 1054 ark_pktchkr_setup(ark->pc); 1055 } 1056 1057 ret = 0; 1058 1059 free_kvlist: 1060 rte_kvargs_free(kvlist); 1061 1062 return ret; 1063 } 1064 1065 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1066 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1067 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1068 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1069 ARK_PKTGEN_ARG "=<filename> " 1070 ARK_PKTCHKR_ARG "=<filename> " 1071 ARK_PKTDIR_ARG "=<bitmap>"); 1072 RTE_LOG_REGISTER_DEFAULT(ark_logtype, NOTICE); 1073