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 <bus_pci_driver.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_pktdir.h" 21 #include "ark_pktgen.h" 22 #include "ark_pktchkr.h" 23 24 /* Internal prototypes */ 25 static int eth_ark_check_args(struct ark_adapter *ark, const char *params); 26 static int eth_ark_dev_init(struct rte_eth_dev *dev); 27 static int ark_config_device(struct rte_eth_dev *dev); 28 static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev); 29 static int eth_ark_dev_configure(struct rte_eth_dev *dev); 30 static int eth_ark_dev_start(struct rte_eth_dev *dev); 31 static int eth_ark_dev_stop(struct rte_eth_dev *dev); 32 static int eth_ark_dev_close(struct rte_eth_dev *dev); 33 static int eth_ark_dev_info_get(struct rte_eth_dev *dev, 34 struct rte_eth_dev_info *dev_info); 35 static int eth_ark_dev_link_update(struct rte_eth_dev *dev, 36 int wait_to_complete); 37 static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev); 38 static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev); 39 static int eth_ark_dev_stats_get(struct rte_eth_dev *dev, 40 struct rte_eth_stats *stats); 41 static int eth_ark_dev_stats_reset(struct rte_eth_dev *dev); 42 static int eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 43 struct rte_ether_addr *mac_addr); 44 static int eth_ark_macaddr_add(struct rte_eth_dev *dev, 45 struct rte_ether_addr *mac_addr, 46 uint32_t index, 47 uint32_t pool); 48 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev, 49 uint32_t index); 50 static int eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size); 51 52 /* 53 * The packet generator is a functional block used to generate packet 54 * patterns for testing. It is not intended for nominal use. 55 */ 56 #define ARK_PKTGEN_ARG "Pkt_gen" 57 58 /* 59 * The packet checker is a functional block used to verify packet 60 * patterns for testing. It is not intended for nominal use. 61 */ 62 #define ARK_PKTCHKR_ARG "Pkt_chkr" 63 64 /* 65 * The packet director is used to select the internal ingress and 66 * egress packets paths during testing. It is not intended for 67 * nominal use. 68 */ 69 #define ARK_PKTDIR_ARG "Pkt_dir" 70 71 /* Devinfo configurations */ 72 #define ARK_RX_MAX_QUEUE (4096 * 4) 73 #define ARK_RX_MIN_QUEUE (512) 74 #define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128) 75 #define ARK_RX_MIN_BUFSIZE (1024) 76 77 #define ARK_TX_MAX_QUEUE (4096 * 4) 78 #define ARK_TX_MIN_QUEUE (256) 79 80 static const char * const valid_arguments[] = { 81 ARK_PKTGEN_ARG, 82 ARK_PKTCHKR_ARG, 83 ARK_PKTDIR_ARG, 84 NULL 85 }; 86 87 #define AR_VENDOR_ID 0x1d6c 88 static const struct rte_pci_id pci_id_ark_map[] = { 89 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100d)}, 90 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100e)}, 91 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100f)}, 92 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1010)}, 93 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1017)}, 94 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1018)}, 95 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1019)}, 96 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101a)}, 97 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101b)}, 98 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101c)}, 99 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101e)}, 100 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101f)}, 101 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1022)}, 102 {.vendor_id = 0, /* sentinel */ }, 103 }; 104 105 /* 106 * This structure is used to statically define the capabilities 107 * of supported devices. 108 * Capabilities: 109 * isvf -- defined for function id that are virtual 110 */ 111 struct ark_caps { 112 bool isvf; 113 }; 114 struct ark_dev_caps { 115 uint32_t device_id; 116 struct ark_caps caps; 117 }; 118 #define SET_DEV_CAPS(id, vf) \ 119 {id, {.isvf = vf} } 120 121 static const struct ark_dev_caps 122 ark_device_caps[] = { 123 SET_DEV_CAPS(0x100d, false), 124 SET_DEV_CAPS(0x100e, false), 125 SET_DEV_CAPS(0x100f, false), 126 SET_DEV_CAPS(0x1010, false), 127 SET_DEV_CAPS(0x1017, false), 128 SET_DEV_CAPS(0x1018, false), 129 SET_DEV_CAPS(0x1019, false), 130 SET_DEV_CAPS(0x101a, false), 131 SET_DEV_CAPS(0x101b, false), 132 SET_DEV_CAPS(0x101c, true), 133 SET_DEV_CAPS(0x101e, false), 134 SET_DEV_CAPS(0x101f, false), 135 {.device_id = 0,} 136 }; 137 138 static int 139 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 140 struct rte_pci_device *pci_dev) 141 { 142 struct rte_eth_dev *eth_dev; 143 int ret; 144 145 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 146 147 if (eth_dev == NULL) 148 return -ENOMEM; 149 150 ret = eth_ark_dev_init(eth_dev); 151 if (ret) 152 rte_eth_dev_release_port(eth_dev); 153 154 return ret; 155 } 156 157 static int 158 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 159 { 160 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 161 } 162 163 static struct rte_pci_driver rte_ark_pmd = { 164 .id_table = pci_id_ark_map, 165 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 166 .probe = eth_ark_pci_probe, 167 .remove = eth_ark_pci_remove, 168 }; 169 170 static const struct eth_dev_ops ark_eth_dev_ops = { 171 .dev_configure = eth_ark_dev_configure, 172 .dev_start = eth_ark_dev_start, 173 .dev_stop = eth_ark_dev_stop, 174 .dev_close = eth_ark_dev_close, 175 176 .dev_infos_get = eth_ark_dev_info_get, 177 178 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 179 .tx_queue_setup = eth_ark_tx_queue_setup, 180 181 .link_update = eth_ark_dev_link_update, 182 .dev_set_link_up = eth_ark_dev_set_link_up, 183 .dev_set_link_down = eth_ark_dev_set_link_down, 184 185 .rx_queue_start = eth_ark_rx_start_queue, 186 .rx_queue_stop = eth_ark_rx_stop_queue, 187 188 .tx_queue_start = eth_ark_tx_queue_start, 189 .tx_queue_stop = eth_ark_tx_queue_stop, 190 191 .stats_get = eth_ark_dev_stats_get, 192 .stats_reset = eth_ark_dev_stats_reset, 193 194 .mac_addr_add = eth_ark_macaddr_add, 195 .mac_addr_remove = eth_ark_macaddr_remove, 196 .mac_addr_set = eth_ark_set_default_mac_addr, 197 198 .mtu_set = eth_ark_set_mtu, 199 }; 200 201 static int 202 check_for_ext(struct ark_adapter *ark) 203 { 204 int found = 0; 205 206 /* Get the env */ 207 const char *dllpath = getenv("ARK_EXT_PATH"); 208 209 if (dllpath == NULL) { 210 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n"); 211 return 0; 212 } 213 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath); 214 215 /* Open and load the .so */ 216 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 217 if (ark->d_handle == NULL) { 218 ARK_PMD_LOG(ERR, "Could not load user extension %s\n", 219 dllpath); 220 return -1; 221 } 222 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n", 223 dllpath); 224 225 /* Get the entry points */ 226 ark->user_ext.dev_init = 227 (void *(*)(struct rte_eth_dev *, void *, int)) 228 dlsym(ark->d_handle, "rte_pmd_ark_dev_init"); 229 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n", 230 ark->user_ext.dev_init); 231 ark->user_ext.dev_get_port_count = 232 (int (*)(struct rte_eth_dev *, void *)) 233 dlsym(ark->d_handle, "rte_pmd_ark_dev_get_port_count"); 234 ark->user_ext.dev_uninit = 235 (void (*)(struct rte_eth_dev *, void *)) 236 dlsym(ark->d_handle, "rte_pmd_ark_dev_uninit"); 237 ark->user_ext.dev_configure = 238 (int (*)(struct rte_eth_dev *, void *)) 239 dlsym(ark->d_handle, "rte_pmd_ark_dev_configure"); 240 ark->user_ext.dev_start = 241 (int (*)(struct rte_eth_dev *, void *)) 242 dlsym(ark->d_handle, "rte_pmd_ark_dev_start"); 243 ark->user_ext.dev_stop = 244 (void (*)(struct rte_eth_dev *, void *)) 245 dlsym(ark->d_handle, "rte_pmd_ark_dev_stop"); 246 ark->user_ext.dev_close = 247 (void (*)(struct rte_eth_dev *, void *)) 248 dlsym(ark->d_handle, "rte_pmd_ark_dev_close"); 249 ark->user_ext.link_update = 250 (int (*)(struct rte_eth_dev *, int, void *)) 251 dlsym(ark->d_handle, "rte_pmd_ark_link_update"); 252 ark->user_ext.dev_set_link_up = 253 (int (*)(struct rte_eth_dev *, void *)) 254 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_up"); 255 ark->user_ext.dev_set_link_down = 256 (int (*)(struct rte_eth_dev *, void *)) 257 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_down"); 258 ark->user_ext.stats_get = 259 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 260 void *)) 261 dlsym(ark->d_handle, "rte_pmd_ark_stats_get"); 262 ark->user_ext.stats_reset = 263 (void (*)(struct rte_eth_dev *, void *)) 264 dlsym(ark->d_handle, "rte_pmd_ark_stats_reset"); 265 ark->user_ext.mac_addr_add = 266 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 267 uint32_t, uint32_t, void *)) 268 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_add"); 269 ark->user_ext.mac_addr_remove = 270 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 271 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_remove"); 272 ark->user_ext.mac_addr_set = 273 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 274 void *)) 275 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_set"); 276 ark->user_ext.set_mtu = 277 (int (*)(struct rte_eth_dev *, uint16_t, 278 void *)) 279 dlsym(ark->d_handle, "rte_pmd_ark_set_mtu"); 280 ark->user_ext.rx_user_meta_hook = 281 (rx_user_meta_hook_fn)dlsym(ark->d_handle, 282 "rte_pmd_ark_rx_user_meta_hook"); 283 ark->user_ext.tx_user_meta_hook = 284 (tx_user_meta_hook_fn)dlsym(ark->d_handle, 285 "rte_pmd_ark_tx_user_meta_hook"); 286 287 return found; 288 } 289 290 static int 291 eth_ark_dev_init(struct rte_eth_dev *dev) 292 { 293 struct ark_adapter *ark = dev->data->dev_private; 294 struct rte_pci_device *pci_dev; 295 int ret; 296 int port_count = 1; 297 int p; 298 uint16_t num_queues; 299 300 ark->eth_dev = dev; 301 302 ARK_PMD_LOG(DEBUG, "\n"); 303 304 /* Check to see if there is an extension that we need to load */ 305 ret = check_for_ext(ark); 306 if (ret) 307 return ret; 308 309 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 310 rte_eth_copy_pci_info(dev, pci_dev); 311 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 312 313 p = 0; 314 while (ark_device_caps[p].device_id != 0) { 315 if (pci_dev->id.device_id == ark_device_caps[p].device_id) { 316 ark->isvf = ark_device_caps[p].caps.isvf; 317 break; 318 } 319 p++; 320 } 321 322 /* Use dummy function until setup */ 323 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 324 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 325 326 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 327 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 328 329 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 330 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 331 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 332 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 333 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 334 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 335 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 336 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 337 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 338 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 339 340 ark->started = 0; 341 ark->pkt_dir_v = ARK_PKT_DIR_INIT_VAL; 342 343 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 344 ark->sysctrl.t32[4], 345 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 346 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n", 347 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 348 349 /* If HW sanity test fails, return an error */ 350 if (ark->sysctrl.t32[4] != 0xcafef00d) { 351 ARK_PMD_LOG(ERR, 352 "HW Sanity test has failed, expected constant" 353 " 0x%x, read 0x%x (%s)\n", 354 0xcafef00d, 355 ark->sysctrl.t32[4], __func__); 356 return -1; 357 } 358 359 ARK_PMD_LOG(DEBUG, 360 "HW Sanity test has PASSED, expected constant" 361 " 0x%x, read 0x%x (%s)\n", 362 0xcafef00d, ark->sysctrl.t32[4], __func__); 363 364 /* We are a single function multi-port device. */ 365 ret = ark_config_device(dev); 366 if (ret) 367 return -1; 368 369 dev->dev_ops = &ark_eth_dev_ops; 370 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 371 372 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 373 if (!dev->data->mac_addrs) { 374 ARK_PMD_LOG(ERR, 375 "Failed to allocated memory for storing mac address" 376 ); 377 } 378 379 if (ark->user_ext.dev_init) { 380 ark->user_data[dev->data->port_id] = 381 ark->user_ext.dev_init(dev, ark->a_bar, 0); 382 if (!ark->user_data[dev->data->port_id]) { 383 ARK_PMD_LOG(WARNING, 384 "Failed to initialize PMD extension!" 385 " continuing without it\n"); 386 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 387 dlclose(ark->d_handle); 388 } 389 } 390 391 if (pci_dev->device.devargs) 392 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 393 else 394 ARK_PMD_LOG(INFO, "No Device args found\n"); 395 396 if (ret) 397 goto error; 398 /* 399 * We will create additional devices based on the number of requested 400 * ports 401 */ 402 if (ark->user_ext.dev_get_port_count) 403 port_count = 404 ark->user_ext.dev_get_port_count(dev, 405 ark->user_data[dev->data->port_id]); 406 ark->num_ports = port_count; 407 num_queues = ark_api_num_queues_per_port(ark->mpurx.v, port_count); 408 409 for (p = 0; p < port_count; p++) { 410 struct rte_eth_dev *eth_dev; 411 char name[RTE_ETH_NAME_MAX_LEN]; 412 413 snprintf(name, sizeof(name), "arketh%d", 414 dev->data->port_id + p); 415 416 if (p == 0) { 417 /* First port is already allocated by DPDK */ 418 eth_dev = ark->eth_dev; 419 rte_eth_dev_probing_finish(eth_dev); 420 continue; 421 } 422 423 /* reserve an ethdev entry */ 424 eth_dev = rte_eth_dev_allocate(name); 425 if (!eth_dev) { 426 ARK_PMD_LOG(ERR, 427 "Could not allocate eth_dev for port %d\n", 428 p); 429 goto error; 430 } 431 432 eth_dev->device = &pci_dev->device; 433 /* Device requires new dev_private data */ 434 eth_dev->data->dev_private = 435 rte_zmalloc_socket(name, 436 sizeof(struct ark_adapter), 437 RTE_CACHE_LINE_SIZE, 438 rte_socket_id()); 439 440 memcpy(eth_dev->data->dev_private, ark, 441 sizeof(struct ark_adapter)); 442 ark = eth_dev->data->dev_private; 443 ark->qbase = p * num_queues; 444 445 eth_dev->dev_ops = ark->eth_dev->dev_ops; 446 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 447 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 448 449 rte_eth_copy_pci_info(eth_dev, pci_dev); 450 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 451 452 eth_dev->data->mac_addrs = rte_zmalloc(name, 453 RTE_ETHER_ADDR_LEN, 0); 454 if (!eth_dev->data->mac_addrs) { 455 ARK_PMD_LOG(ERR, 456 "Memory allocation for MAC failed!" 457 " Exiting.\n"); 458 goto error; 459 } 460 461 if (ark->user_ext.dev_init) { 462 ark->user_data[eth_dev->data->port_id] = 463 ark->user_ext.dev_init(dev, ark->a_bar, p); 464 } 465 466 rte_eth_dev_probing_finish(eth_dev); 467 } 468 469 return ret; 470 471 error: 472 rte_free(dev->data->mac_addrs); 473 dev->data->mac_addrs = NULL; 474 return -1; 475 } 476 477 /* 478 *Initial device configuration when device is opened 479 * setup the DDM, and UDM 480 * Called once per PCIE device 481 */ 482 static int 483 ark_config_device(struct rte_eth_dev *dev) 484 { 485 struct ark_adapter *ark = dev->data->dev_private; 486 uint16_t num_q, i; 487 struct ark_mpu_t *mpu; 488 489 /* 490 * Make sure that the packet director, generator and checker are in a 491 * known state 492 */ 493 if (!ark->isvf) { 494 ark->start_pg = 0; 495 ark->pg_running = 0; 496 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 497 if (ark->pg == NULL) 498 return -1; 499 ark_pktgen_reset(ark->pg); 500 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 501 if (ark->pc == NULL) 502 return -1; 503 ark_pktchkr_stop(ark->pc); 504 ark->pd = ark_pktdir_init(ark->pktdir.v); 505 if (ark->pd == NULL) 506 return -1; 507 } 508 /* Verify HW */ 509 if (ark_udm_verify(ark->udm.v)) 510 return -1; 511 if (ark_ddm_verify(ark->ddm.v)) 512 return -1; 513 514 /* MPU reset */ 515 mpu = ark->mpurx.v; 516 num_q = ark_api_num_queues(mpu); 517 ark->rx_queues = num_q; 518 for (i = 0; i < num_q; i++) { 519 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 520 } 521 522 mpu = ark->mputx.v; 523 num_q = ark_api_num_queues(mpu); 524 ark->tx_queues = num_q; 525 for (i = 0; i < num_q; i++) { 526 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 527 } 528 529 return 0; 530 } 531 532 static int 533 eth_ark_dev_uninit(struct rte_eth_dev *dev) 534 { 535 struct ark_adapter *ark = dev->data->dev_private; 536 537 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 538 return 0; 539 540 if (ark->user_ext.dev_uninit) 541 ark->user_ext.dev_uninit(dev, 542 ark->user_data[dev->data->port_id]); 543 544 if (!ark->isvf) { 545 ark_pktgen_uninit(ark->pg); 546 ark_pktchkr_uninit(ark->pc); 547 } 548 549 return 0; 550 } 551 552 static int 553 eth_ark_dev_configure(struct rte_eth_dev *dev) 554 { 555 struct ark_adapter *ark = dev->data->dev_private; 556 557 eth_ark_dev_set_link_up(dev); 558 if (ark->user_ext.dev_configure) 559 return ark->user_ext.dev_configure(dev, 560 ark->user_data[dev->data->port_id]); 561 return 0; 562 } 563 564 static int 565 eth_ark_dev_start(struct rte_eth_dev *dev) 566 { 567 struct ark_adapter *ark = dev->data->dev_private; 568 int i; 569 570 /* RX Side */ 571 for (i = 0; i < dev->data->nb_rx_queues; i++) 572 eth_ark_rx_start_queue(dev, i); 573 574 /* TX Side */ 575 for (i = 0; i < dev->data->nb_tx_queues; i++) 576 eth_ark_tx_queue_start(dev, i); 577 578 ark->started = 1; 579 /* set xmit and receive function */ 580 dev->rx_pkt_burst = ð_ark_recv_pkts; 581 dev->tx_pkt_burst = ð_ark_xmit_pkts; 582 583 if (!ark->isvf && ark->start_pg) 584 ark_pktchkr_run(ark->pc); 585 586 if (!ark->isvf && ark->start_pg && !ark->pg_running) { 587 rte_thread_t thread; 588 589 /* Delay packet generator start allow the hardware to be ready 590 * This is only used for sanity checking with internal generator 591 */ 592 char tname[RTE_THREAD_INTERNAL_NAME_SIZE]; 593 snprintf(tname, sizeof(tname), "ark-pg%d", dev->data->port_id); 594 595 if (rte_thread_create_internal_control(&thread, tname, 596 ark_pktgen_delay_start, ark->pg)) { 597 ARK_PMD_LOG(ERR, "Could not create pktgen " 598 "starter thread\n"); 599 return -1; 600 } 601 ark->pg_running = 1; 602 } 603 604 if (ark->user_ext.dev_start) 605 ark->user_ext.dev_start(dev, 606 ark->user_data[dev->data->port_id]); 607 608 return 0; 609 } 610 611 static int 612 eth_ark_dev_stop(struct rte_eth_dev *dev) 613 { 614 uint16_t i; 615 int status; 616 struct ark_adapter *ark = dev->data->dev_private; 617 618 if (ark->started == 0) 619 return 0; 620 ark->started = 0; 621 dev->data->dev_started = 0; 622 623 /* Stop the extension first */ 624 if (ark->user_ext.dev_stop) 625 ark->user_ext.dev_stop(dev, 626 ark->user_data[dev->data->port_id]); 627 628 /* Stop the packet generator */ 629 if (!ark->isvf && ark->start_pg && ark->pg_running) { 630 ark_pktgen_pause(ark->pg); 631 ark->pg_running = 0; 632 } 633 634 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 635 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 636 637 /* Stop RX Side */ 638 for (i = 0; i < dev->data->nb_rx_queues; i++) 639 eth_ark_rx_stop_queue(dev, i); 640 641 /* STOP TX Side */ 642 for (i = 0; i < dev->data->nb_tx_queues; i++) { 643 status = eth_ark_tx_queue_stop(dev, i); 644 if (status != 0) { 645 uint16_t port = dev->data->port_id; 646 ARK_PMD_LOG(ERR, 647 "tx_queue stop anomaly" 648 " port %u, queue %u\n", 649 port, i); 650 } 651 } 652 653 ark_udm_dump_stats(ark->udm.v, "Post stop"); 654 655 for (i = 0; i < dev->data->nb_rx_queues; i++) 656 eth_ark_rx_dump_queue(dev, i, __func__); 657 658 /* Stop the packet checker if it is running */ 659 if (!ark->isvf && ark->start_pg) { 660 ark_pktchkr_dump_stats(ark->pc); 661 ark_pktchkr_stop(ark->pc); 662 } 663 664 return 0; 665 } 666 667 static int 668 eth_ark_dev_close(struct rte_eth_dev *dev) 669 { 670 struct ark_adapter *ark = dev->data->dev_private; 671 uint16_t i; 672 673 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 674 return 0; 675 676 if (ark->user_ext.dev_close) 677 ark->user_ext.dev_close(dev, 678 ark->user_data[dev->data->port_id]); 679 680 eth_ark_dev_stop(dev); 681 682 /* 683 * This should only be called once for the device during shutdown 684 */ 685 /* return to power-on state */ 686 if (ark->pd) 687 ark_pktdir_setup(ark->pd, ARK_PKT_DIR_INIT_VAL); 688 689 for (i = 0; i < dev->data->nb_tx_queues; i++) { 690 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 691 dev->data->tx_queues[i] = 0; 692 } 693 694 for (i = 0; i < dev->data->nb_rx_queues; i++) { 695 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 696 dev->data->rx_queues[i] = 0; 697 } 698 699 return 0; 700 } 701 702 static int 703 eth_ark_dev_info_get(struct rte_eth_dev *dev, 704 struct rte_eth_dev_info *dev_info) 705 { 706 struct ark_adapter *ark = dev->data->dev_private; 707 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 708 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 709 uint16_t ports = ark->num_ports; 710 711 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 712 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 713 714 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 715 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 716 717 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 718 .nb_max = ARK_RX_MAX_QUEUE, 719 .nb_min = ARK_RX_MIN_QUEUE, 720 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 721 722 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 723 .nb_max = ARK_TX_MAX_QUEUE, 724 .nb_min = ARK_TX_MIN_QUEUE, 725 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 726 727 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 728 dev_info->speed_capa = (RTE_ETH_LINK_SPEED_1G | 729 RTE_ETH_LINK_SPEED_10G | 730 RTE_ETH_LINK_SPEED_25G | 731 RTE_ETH_LINK_SPEED_40G | 732 RTE_ETH_LINK_SPEED_50G | 733 RTE_ETH_LINK_SPEED_100G); 734 735 dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_TIMESTAMP; 736 737 return 0; 738 } 739 740 static int 741 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 742 { 743 ARK_PMD_LOG(DEBUG, "link status = %d\n", 744 dev->data->dev_link.link_status); 745 struct ark_adapter *ark = dev->data->dev_private; 746 747 if (ark->user_ext.link_update) { 748 return ark->user_ext.link_update 749 (dev, wait_to_complete, 750 ark->user_data[dev->data->port_id]); 751 } 752 return 0; 753 } 754 755 static int 756 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 757 { 758 dev->data->dev_link.link_status = 1; 759 struct ark_adapter *ark = dev->data->dev_private; 760 761 if (ark->user_ext.dev_set_link_up) 762 return ark->user_ext.dev_set_link_up(dev, 763 ark->user_data[dev->data->port_id]); 764 return 0; 765 } 766 767 static int 768 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 769 { 770 dev->data->dev_link.link_status = 0; 771 struct ark_adapter *ark = dev->data->dev_private; 772 773 if (ark->user_ext.dev_set_link_down) 774 return ark->user_ext.dev_set_link_down(dev, 775 ark->user_data[dev->data->port_id]); 776 return 0; 777 } 778 779 static int 780 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 781 { 782 uint16_t i; 783 struct ark_adapter *ark = dev->data->dev_private; 784 785 stats->ipackets = 0; 786 stats->ibytes = 0; 787 stats->opackets = 0; 788 stats->obytes = 0; 789 stats->imissed = 0; 790 stats->oerrors = 0; 791 792 for (i = 0; i < dev->data->nb_tx_queues; i++) 793 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 794 for (i = 0; i < dev->data->nb_rx_queues; i++) 795 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 796 if (ark->user_ext.stats_get) 797 return ark->user_ext.stats_get(dev, stats, 798 ark->user_data[dev->data->port_id]); 799 return 0; 800 } 801 802 static int 803 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 804 { 805 uint16_t i; 806 struct ark_adapter *ark = dev->data->dev_private; 807 808 for (i = 0; i < dev->data->nb_tx_queues; i++) 809 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 810 for (i = 0; i < dev->data->nb_rx_queues; i++) 811 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 812 if (ark->user_ext.stats_reset) 813 ark->user_ext.stats_reset(dev, 814 ark->user_data[dev->data->port_id]); 815 816 return 0; 817 } 818 819 static int 820 eth_ark_macaddr_add(struct rte_eth_dev *dev, 821 struct rte_ether_addr *mac_addr, 822 uint32_t index, 823 uint32_t pool) 824 { 825 struct ark_adapter *ark = dev->data->dev_private; 826 827 if (ark->user_ext.mac_addr_add) { 828 ark->user_ext.mac_addr_add(dev, 829 mac_addr, 830 index, 831 pool, 832 ark->user_data[dev->data->port_id]); 833 return 0; 834 } 835 return -ENOTSUP; 836 } 837 838 static void 839 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 840 { 841 struct ark_adapter *ark = dev->data->dev_private; 842 843 if (ark->user_ext.mac_addr_remove) 844 ark->user_ext.mac_addr_remove(dev, index, 845 ark->user_data[dev->data->port_id]); 846 } 847 848 static int 849 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 850 struct rte_ether_addr *mac_addr) 851 { 852 struct ark_adapter *ark = dev->data->dev_private; 853 854 if (ark->user_ext.mac_addr_set) { 855 ark->user_ext.mac_addr_set(dev, mac_addr, 856 ark->user_data[dev->data->port_id]); 857 return 0; 858 } 859 return -ENOTSUP; 860 } 861 862 static int 863 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 864 { 865 struct ark_adapter *ark = dev->data->dev_private; 866 867 if (ark->user_ext.set_mtu) 868 return ark->user_ext.set_mtu(dev, size, 869 ark->user_data[dev->data->port_id]); 870 871 return -ENOTSUP; 872 } 873 874 static inline int 875 process_pktdir_arg(const char *key, const char *value, 876 void *extra_args) 877 { 878 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 879 key, value); 880 struct ark_adapter *ark = 881 (struct ark_adapter *)extra_args; 882 883 ark->pkt_dir_v = strtol(value, NULL, 16); 884 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 885 return 0; 886 } 887 888 static inline int 889 process_file_args(const char *key, const char *value, void *extra_args) 890 { 891 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 892 key, value); 893 char *args = (char *)extra_args; 894 895 /* Open the configuration file */ 896 FILE *file = fopen(value, "r"); 897 char line[ARK_MAX_ARG_LEN]; 898 int size = 0; 899 int first = 1; 900 901 if (file == NULL) { 902 ARK_PMD_LOG(ERR, "Unable to open " 903 "config file %s\n", value); 904 return -1; 905 } 906 907 while (fgets(line, sizeof(line), file)) { 908 size += strlen(line); 909 if (size >= ARK_MAX_ARG_LEN) { 910 ARK_PMD_LOG(ERR, "Unable to parse file %s args, " 911 "parameter list is too long\n", value); 912 fclose(file); 913 return -1; 914 } 915 if (first) { 916 strncpy(args, line, ARK_MAX_ARG_LEN); 917 first = 0; 918 } else { 919 strncat(args, line, ARK_MAX_ARG_LEN); 920 } 921 } 922 ARK_PMD_LOG(DEBUG, "file = %s\n", args); 923 fclose(file); 924 return 0; 925 } 926 927 static int 928 eth_ark_check_args(struct ark_adapter *ark, const char *params) 929 { 930 struct rte_kvargs *kvlist; 931 unsigned int k_idx; 932 struct rte_kvargs_pair *pair = NULL; 933 int ret = -1; 934 935 kvlist = rte_kvargs_parse(params, valid_arguments); 936 if (kvlist == NULL) 937 return 0; 938 939 ark->pkt_gen_args[0] = 0; 940 ark->pkt_chkr_args[0] = 0; 941 942 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 943 pair = &kvlist->pairs[k_idx]; 944 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 945 pair->key, 946 pair->value); 947 } 948 949 if (rte_kvargs_process(kvlist, 950 ARK_PKTDIR_ARG, 951 &process_pktdir_arg, 952 ark) != 0) { 953 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 954 goto free_kvlist; 955 } 956 957 if (rte_kvargs_process(kvlist, 958 ARK_PKTGEN_ARG, 959 &process_file_args, 960 ark->pkt_gen_args) != 0) { 961 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 962 goto free_kvlist; 963 } 964 965 if (rte_kvargs_process(kvlist, 966 ARK_PKTCHKR_ARG, 967 &process_file_args, 968 ark->pkt_chkr_args) != 0) { 969 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 970 goto free_kvlist; 971 } 972 973 if (ark->isvf) { 974 ret = 0; 975 goto free_kvlist; 976 } 977 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 978 /* Setup the packet director */ 979 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 980 981 /* Setup the packet generator */ 982 if (ark->pkt_gen_args[0]) { 983 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n"); 984 ark_pktgen_parse(ark->pkt_gen_args); 985 ark_pktgen_reset(ark->pg); 986 ark_pktgen_setup(ark->pg); 987 ark->start_pg = 1; 988 } 989 990 /* Setup the packet checker */ 991 if (ark->pkt_chkr_args[0]) { 992 ark_pktchkr_parse(ark->pkt_chkr_args); 993 ark_pktchkr_setup(ark->pc); 994 } 995 996 ret = 0; 997 998 free_kvlist: 999 rte_kvargs_free(kvlist); 1000 1001 return ret; 1002 } 1003 1004 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1005 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1006 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1007 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1008 ARK_PKTGEN_ARG "=<filename> " 1009 ARK_PKTCHKR_ARG "=<filename> " 1010 ARK_PKTDIR_ARG "=<bitmap>"); 1011 RTE_LOG_REGISTER_DEFAULT(ark_logtype, NOTICE); 1012