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 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1024)}, 103 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1025)}, 104 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1026)}, 105 {.vendor_id = 0, /* sentinel */ }, 106 }; 107 108 /* 109 * This structure is used to statically define the capabilities 110 * of supported devices. 111 * Capabilities: 112 * isvf -- defined for function id that are virtual 113 */ 114 struct ark_caps { 115 bool isvf; 116 }; 117 struct ark_dev_caps { 118 uint32_t device_id; 119 struct ark_caps caps; 120 }; 121 #define SET_DEV_CAPS(id, vf) \ 122 {id, {.isvf = vf} } 123 124 static const struct ark_dev_caps 125 ark_device_caps[] = { 126 SET_DEV_CAPS(0x100d, false), 127 SET_DEV_CAPS(0x100e, false), 128 SET_DEV_CAPS(0x100f, false), 129 SET_DEV_CAPS(0x1010, false), 130 SET_DEV_CAPS(0x1017, false), 131 SET_DEV_CAPS(0x1018, false), 132 SET_DEV_CAPS(0x1019, false), 133 SET_DEV_CAPS(0x101a, false), 134 SET_DEV_CAPS(0x101b, false), 135 SET_DEV_CAPS(0x101c, true), 136 SET_DEV_CAPS(0x101e, false), 137 SET_DEV_CAPS(0x101f, false), 138 {.device_id = 0,} 139 }; 140 141 static int 142 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 143 struct rte_pci_device *pci_dev) 144 { 145 struct rte_eth_dev *eth_dev; 146 int ret; 147 148 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 149 150 if (eth_dev == NULL) 151 return -ENOMEM; 152 153 ret = eth_ark_dev_init(eth_dev); 154 if (ret) 155 rte_eth_dev_release_port(eth_dev); 156 157 return ret; 158 } 159 160 static int 161 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 162 { 163 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 164 } 165 166 static struct rte_pci_driver rte_ark_pmd = { 167 .id_table = pci_id_ark_map, 168 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 169 .probe = eth_ark_pci_probe, 170 .remove = eth_ark_pci_remove, 171 }; 172 173 static const struct eth_dev_ops ark_eth_dev_ops = { 174 .dev_configure = eth_ark_dev_configure, 175 .dev_start = eth_ark_dev_start, 176 .dev_stop = eth_ark_dev_stop, 177 .dev_close = eth_ark_dev_close, 178 179 .dev_infos_get = eth_ark_dev_info_get, 180 181 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 182 .tx_queue_setup = eth_ark_tx_queue_setup, 183 184 .link_update = eth_ark_dev_link_update, 185 .dev_set_link_up = eth_ark_dev_set_link_up, 186 .dev_set_link_down = eth_ark_dev_set_link_down, 187 188 .rx_queue_start = eth_ark_rx_start_queue, 189 .rx_queue_stop = eth_ark_rx_stop_queue, 190 191 .tx_queue_start = eth_ark_tx_queue_start, 192 .tx_queue_stop = eth_ark_tx_queue_stop, 193 194 .stats_get = eth_ark_dev_stats_get, 195 .stats_reset = eth_ark_dev_stats_reset, 196 197 .mac_addr_add = eth_ark_macaddr_add, 198 .mac_addr_remove = eth_ark_macaddr_remove, 199 .mac_addr_set = eth_ark_set_default_mac_addr, 200 201 .mtu_set = eth_ark_set_mtu, 202 }; 203 204 static int 205 check_for_ext(struct ark_adapter *ark) 206 { 207 int found = 0; 208 209 /* Get the env */ 210 const char *dllpath = getenv("ARK_EXT_PATH"); 211 212 if (dllpath == NULL) { 213 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n"); 214 return 0; 215 } 216 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath); 217 218 /* Open and load the .so */ 219 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 220 if (ark->d_handle == NULL) { 221 ARK_PMD_LOG(ERR, "Could not load user extension %s\n", 222 dllpath); 223 return -1; 224 } 225 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n", 226 dllpath); 227 228 /* Get the entry points */ 229 ark->user_ext.dev_init = 230 (void *(*)(struct rte_eth_dev *, void *, int)) 231 dlsym(ark->d_handle, "rte_pmd_ark_dev_init"); 232 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n", 233 ark->user_ext.dev_init); 234 ark->user_ext.dev_get_port_count = 235 (int (*)(struct rte_eth_dev *, void *)) 236 dlsym(ark->d_handle, "rte_pmd_ark_dev_get_port_count"); 237 ark->user_ext.dev_uninit = 238 (void (*)(struct rte_eth_dev *, void *)) 239 dlsym(ark->d_handle, "rte_pmd_ark_dev_uninit"); 240 ark->user_ext.dev_configure = 241 (int (*)(struct rte_eth_dev *, void *)) 242 dlsym(ark->d_handle, "rte_pmd_ark_dev_configure"); 243 ark->user_ext.dev_start = 244 (int (*)(struct rte_eth_dev *, void *)) 245 dlsym(ark->d_handle, "rte_pmd_ark_dev_start"); 246 ark->user_ext.dev_stop = 247 (void (*)(struct rte_eth_dev *, void *)) 248 dlsym(ark->d_handle, "rte_pmd_ark_dev_stop"); 249 ark->user_ext.dev_close = 250 (void (*)(struct rte_eth_dev *, void *)) 251 dlsym(ark->d_handle, "rte_pmd_ark_dev_close"); 252 ark->user_ext.link_update = 253 (int (*)(struct rte_eth_dev *, int, void *)) 254 dlsym(ark->d_handle, "rte_pmd_ark_link_update"); 255 ark->user_ext.dev_set_link_up = 256 (int (*)(struct rte_eth_dev *, void *)) 257 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_up"); 258 ark->user_ext.dev_set_link_down = 259 (int (*)(struct rte_eth_dev *, void *)) 260 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_down"); 261 ark->user_ext.stats_get = 262 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 263 void *)) 264 dlsym(ark->d_handle, "rte_pmd_ark_stats_get"); 265 ark->user_ext.stats_reset = 266 (void (*)(struct rte_eth_dev *, void *)) 267 dlsym(ark->d_handle, "rte_pmd_ark_stats_reset"); 268 ark->user_ext.mac_addr_add = 269 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 270 uint32_t, uint32_t, void *)) 271 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_add"); 272 ark->user_ext.mac_addr_remove = 273 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 274 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_remove"); 275 ark->user_ext.mac_addr_set = 276 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 277 void *)) 278 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_set"); 279 ark->user_ext.set_mtu = 280 (int (*)(struct rte_eth_dev *, uint16_t, 281 void *)) 282 dlsym(ark->d_handle, "rte_pmd_ark_set_mtu"); 283 ark->user_ext.rx_user_meta_hook = 284 (rx_user_meta_hook_fn)dlsym(ark->d_handle, 285 "rte_pmd_ark_rx_user_meta_hook"); 286 ark->user_ext.tx_user_meta_hook = 287 (tx_user_meta_hook_fn)dlsym(ark->d_handle, 288 "rte_pmd_ark_tx_user_meta_hook"); 289 290 return found; 291 } 292 293 static int 294 eth_ark_dev_init(struct rte_eth_dev *dev) 295 { 296 struct ark_adapter *ark = dev->data->dev_private; 297 struct rte_pci_device *pci_dev; 298 int ret; 299 int port_count = 1; 300 int p; 301 uint16_t num_queues; 302 303 ark->eth_dev = dev; 304 305 ARK_PMD_LOG(DEBUG, "\n"); 306 307 /* Check to see if there is an extension that we need to load */ 308 ret = check_for_ext(ark); 309 if (ret) 310 return ret; 311 312 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 313 rte_eth_copy_pci_info(dev, pci_dev); 314 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 315 316 p = 0; 317 while (ark_device_caps[p].device_id != 0) { 318 if (pci_dev->id.device_id == ark_device_caps[p].device_id) { 319 ark->isvf = ark_device_caps[p].caps.isvf; 320 break; 321 } 322 p++; 323 } 324 325 /* Use dummy function until setup */ 326 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 327 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 328 329 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 330 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 331 332 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 333 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 334 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 335 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 336 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 337 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 338 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 339 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 340 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 341 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 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 } 361 362 ARK_PMD_LOG(DEBUG, 363 "HW Sanity test has PASSED, expected constant" 364 " 0x%x, read 0x%x (%s)\n", 365 0xcafef00d, ark->sysctrl.t32[4], __func__); 366 367 /* We are a single function multi-port device. */ 368 ret = ark_config_device(dev); 369 if (ret) 370 return -1; 371 372 dev->dev_ops = &ark_eth_dev_ops; 373 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 374 375 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 376 if (!dev->data->mac_addrs) { 377 ARK_PMD_LOG(ERR, 378 "Failed to allocated memory for storing mac address" 379 ); 380 } 381 382 if (ark->user_ext.dev_init) { 383 ark->user_data[dev->data->port_id] = 384 ark->user_ext.dev_init(dev, ark->a_bar, 0); 385 if (!ark->user_data[dev->data->port_id]) { 386 ARK_PMD_LOG(WARNING, 387 "Failed to initialize PMD extension!" 388 " continuing without it\n"); 389 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 390 dlclose(ark->d_handle); 391 } 392 } 393 394 if (pci_dev->device.devargs) 395 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 396 else 397 ARK_PMD_LOG(INFO, "No Device args found\n"); 398 399 if (ret) 400 goto error; 401 /* 402 * We will create additional devices based on the number of requested 403 * ports 404 */ 405 if (ark->user_ext.dev_get_port_count) 406 port_count = 407 ark->user_ext.dev_get_port_count(dev, 408 ark->user_data[dev->data->port_id]); 409 ark->num_ports = port_count; 410 num_queues = ark_api_num_queues_per_port(ark->mpurx.v, port_count); 411 412 for (p = 0; p < port_count; p++) { 413 struct rte_eth_dev *eth_dev; 414 char name[RTE_ETH_NAME_MAX_LEN]; 415 416 snprintf(name, sizeof(name), "arketh%d", 417 dev->data->port_id + p); 418 419 if (p == 0) { 420 /* First port is already allocated by DPDK */ 421 eth_dev = ark->eth_dev; 422 rte_eth_dev_probing_finish(eth_dev); 423 continue; 424 } 425 426 /* reserve an ethdev entry */ 427 eth_dev = rte_eth_dev_allocate(name); 428 if (!eth_dev) { 429 ARK_PMD_LOG(ERR, 430 "Could not allocate eth_dev for port %d\n", 431 p); 432 goto error; 433 } 434 435 eth_dev->device = &pci_dev->device; 436 /* Device requires new dev_private data */ 437 eth_dev->data->dev_private = 438 rte_zmalloc_socket(name, 439 sizeof(struct ark_adapter), 440 RTE_CACHE_LINE_SIZE, 441 rte_socket_id()); 442 443 memcpy(eth_dev->data->dev_private, ark, 444 sizeof(struct ark_adapter)); 445 ark = eth_dev->data->dev_private; 446 ark->qbase = p * num_queues; 447 448 eth_dev->dev_ops = ark->eth_dev->dev_ops; 449 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 450 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 451 452 rte_eth_copy_pci_info(eth_dev, pci_dev); 453 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 454 455 eth_dev->data->mac_addrs = rte_zmalloc(name, 456 RTE_ETHER_ADDR_LEN, 0); 457 if (!eth_dev->data->mac_addrs) { 458 ARK_PMD_LOG(ERR, 459 "Memory allocation for MAC failed!" 460 " Exiting.\n"); 461 goto error; 462 } 463 464 if (ark->user_ext.dev_init) { 465 ark->user_data[eth_dev->data->port_id] = 466 ark->user_ext.dev_init(dev, ark->a_bar, p); 467 } 468 469 rte_eth_dev_probing_finish(eth_dev); 470 } 471 472 return ret; 473 474 error: 475 rte_free(dev->data->mac_addrs); 476 dev->data->mac_addrs = NULL; 477 return -1; 478 } 479 480 /* 481 *Initial device configuration when device is opened 482 * setup the DDM, and UDM 483 * Called once per PCIE device 484 */ 485 static int 486 ark_config_device(struct rte_eth_dev *dev) 487 { 488 struct ark_adapter *ark = dev->data->dev_private; 489 uint16_t num_q, i; 490 struct ark_mpu_t *mpu; 491 492 /* 493 * Make sure that the packet director, generator and checker are in a 494 * known state 495 */ 496 if (!ark->isvf) { 497 ark->start_pg = 0; 498 ark->pg_running = 0; 499 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 500 if (ark->pg == NULL) 501 return -1; 502 ark_pktgen_reset(ark->pg); 503 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 504 if (ark->pc == NULL) 505 return -1; 506 ark_pktchkr_stop(ark->pc); 507 ark->pd = ark_pktdir_init(ark->pktdir.v); 508 if (ark->pd == NULL) 509 return -1; 510 } 511 /* Verify HW */ 512 if (ark_udm_verify(ark->udm.v)) 513 return -1; 514 if (ark_ddm_verify(ark->ddm.v)) 515 return -1; 516 517 /* MPU reset */ 518 mpu = ark->mpurx.v; 519 num_q = ark_api_num_queues(mpu); 520 ark->rx_queues = num_q; 521 for (i = 0; i < num_q; i++) { 522 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 523 } 524 525 mpu = ark->mputx.v; 526 num_q = ark_api_num_queues(mpu); 527 ark->tx_queues = num_q; 528 for (i = 0; i < num_q; i++) { 529 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 530 } 531 532 return 0; 533 } 534 535 static int 536 eth_ark_dev_uninit(struct rte_eth_dev *dev) 537 { 538 struct ark_adapter *ark = dev->data->dev_private; 539 540 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 541 return 0; 542 543 if (ark->user_ext.dev_uninit) 544 ark->user_ext.dev_uninit(dev, 545 ark->user_data[dev->data->port_id]); 546 547 if (!ark->isvf) { 548 ark_pktgen_uninit(ark->pg); 549 ark_pktchkr_uninit(ark->pc); 550 } 551 552 return 0; 553 } 554 555 static int 556 eth_ark_dev_configure(struct rte_eth_dev *dev) 557 { 558 struct ark_adapter *ark = dev->data->dev_private; 559 560 eth_ark_dev_set_link_up(dev); 561 if (ark->user_ext.dev_configure) 562 return ark->user_ext.dev_configure(dev, 563 ark->user_data[dev->data->port_id]); 564 return 0; 565 } 566 567 static int 568 eth_ark_dev_start(struct rte_eth_dev *dev) 569 { 570 struct ark_adapter *ark = dev->data->dev_private; 571 int i; 572 573 /* RX Side */ 574 for (i = 0; i < dev->data->nb_rx_queues; i++) 575 eth_ark_rx_start_queue(dev, i); 576 577 /* TX Side */ 578 for (i = 0; i < dev->data->nb_tx_queues; i++) 579 eth_ark_tx_queue_start(dev, i); 580 581 ark->started = 1; 582 /* set xmit and receive function */ 583 dev->rx_pkt_burst = ð_ark_recv_pkts; 584 dev->tx_pkt_burst = ð_ark_xmit_pkts; 585 586 if (!ark->isvf && ark->start_pg) 587 ark_pktchkr_run(ark->pc); 588 589 if (!ark->isvf && ark->start_pg && !ark->pg_running) { 590 rte_thread_t thread; 591 592 /* Delay packet generator start allow the hardware to be ready 593 * This is only used for sanity checking with internal generator 594 */ 595 char tname[RTE_THREAD_INTERNAL_NAME_SIZE]; 596 snprintf(tname, sizeof(tname), "ark-pg%d", dev->data->port_id); 597 598 if (rte_thread_create_internal_control(&thread, tname, 599 ark_pktgen_delay_start, ark->pg)) { 600 ARK_PMD_LOG(ERR, "Could not create pktgen " 601 "starter thread\n"); 602 return -1; 603 } 604 ark->pg_running = 1; 605 } 606 607 if (ark->user_ext.dev_start) 608 ark->user_ext.dev_start(dev, 609 ark->user_data[dev->data->port_id]); 610 611 return 0; 612 } 613 614 static int 615 eth_ark_dev_stop(struct rte_eth_dev *dev) 616 { 617 uint16_t i; 618 int status; 619 struct ark_adapter *ark = dev->data->dev_private; 620 621 if (ark->started == 0) 622 return 0; 623 ark->started = 0; 624 dev->data->dev_started = 0; 625 626 /* Stop the extension first */ 627 if (ark->user_ext.dev_stop) 628 ark->user_ext.dev_stop(dev, 629 ark->user_data[dev->data->port_id]); 630 631 /* Stop the packet generator */ 632 if (!ark->isvf && ark->start_pg && ark->pg_running) { 633 ark_pktgen_pause(ark->pg); 634 ark->pg_running = 0; 635 } 636 637 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 638 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 639 640 /* Stop RX Side */ 641 for (i = 0; i < dev->data->nb_rx_queues; i++) 642 eth_ark_rx_stop_queue(dev, i); 643 644 /* STOP TX Side */ 645 for (i = 0; i < dev->data->nb_tx_queues; i++) { 646 status = eth_ark_tx_queue_stop(dev, i); 647 if (status != 0) { 648 uint16_t port = dev->data->port_id; 649 ARK_PMD_LOG(ERR, 650 "tx_queue stop anomaly" 651 " port %u, queue %u\n", 652 port, i); 653 } 654 } 655 656 ark_udm_dump_stats(ark->udm.v, "Post stop"); 657 658 for (i = 0; i < dev->data->nb_rx_queues; i++) 659 eth_ark_rx_dump_queue(dev, i, __func__); 660 661 /* Stop the packet checker if it is running */ 662 if (!ark->isvf && ark->start_pg) { 663 ark_pktchkr_dump_stats(ark->pc); 664 ark_pktchkr_stop(ark->pc); 665 } 666 667 return 0; 668 } 669 670 static int 671 eth_ark_dev_close(struct rte_eth_dev *dev) 672 { 673 struct ark_adapter *ark = dev->data->dev_private; 674 uint16_t i; 675 676 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 677 return 0; 678 679 if (ark->user_ext.dev_close) 680 ark->user_ext.dev_close(dev, 681 ark->user_data[dev->data->port_id]); 682 683 eth_ark_dev_stop(dev); 684 685 /* 686 * This should only be called once for the device during shutdown 687 */ 688 /* return to power-on state */ 689 if (ark->pd) 690 ark_pktdir_setup(ark->pd, ARK_PKT_DIR_INIT_VAL); 691 692 for (i = 0; i < dev->data->nb_tx_queues; i++) { 693 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 694 dev->data->tx_queues[i] = 0; 695 } 696 697 for (i = 0; i < dev->data->nb_rx_queues; i++) { 698 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 699 dev->data->rx_queues[i] = 0; 700 } 701 702 return 0; 703 } 704 705 static int 706 eth_ark_dev_info_get(struct rte_eth_dev *dev, 707 struct rte_eth_dev_info *dev_info) 708 { 709 struct ark_adapter *ark = dev->data->dev_private; 710 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 711 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 712 uint16_t ports = ark->num_ports; 713 714 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 715 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 716 717 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 718 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 719 720 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 721 .nb_max = ARK_RX_MAX_QUEUE, 722 .nb_min = ARK_RX_MIN_QUEUE, 723 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 724 725 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 726 .nb_max = ARK_TX_MAX_QUEUE, 727 .nb_min = ARK_TX_MIN_QUEUE, 728 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 729 730 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 731 dev_info->speed_capa = (RTE_ETH_LINK_SPEED_1G | 732 RTE_ETH_LINK_SPEED_10G | 733 RTE_ETH_LINK_SPEED_25G | 734 RTE_ETH_LINK_SPEED_40G | 735 RTE_ETH_LINK_SPEED_50G | 736 RTE_ETH_LINK_SPEED_100G); 737 738 dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_TIMESTAMP; 739 740 return 0; 741 } 742 743 static int 744 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 745 { 746 ARK_PMD_LOG(DEBUG, "link status = %d\n", 747 dev->data->dev_link.link_status); 748 struct ark_adapter *ark = dev->data->dev_private; 749 750 if (ark->user_ext.link_update) { 751 return ark->user_ext.link_update 752 (dev, wait_to_complete, 753 ark->user_data[dev->data->port_id]); 754 } 755 return 0; 756 } 757 758 static int 759 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 760 { 761 dev->data->dev_link.link_status = 1; 762 struct ark_adapter *ark = dev->data->dev_private; 763 764 if (ark->user_ext.dev_set_link_up) 765 return ark->user_ext.dev_set_link_up(dev, 766 ark->user_data[dev->data->port_id]); 767 return 0; 768 } 769 770 static int 771 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 772 { 773 dev->data->dev_link.link_status = 0; 774 struct ark_adapter *ark = dev->data->dev_private; 775 776 if (ark->user_ext.dev_set_link_down) 777 return ark->user_ext.dev_set_link_down(dev, 778 ark->user_data[dev->data->port_id]); 779 return 0; 780 } 781 782 static int 783 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 784 { 785 uint16_t i; 786 struct ark_adapter *ark = dev->data->dev_private; 787 788 stats->ipackets = 0; 789 stats->ibytes = 0; 790 stats->opackets = 0; 791 stats->obytes = 0; 792 stats->imissed = 0; 793 stats->oerrors = 0; 794 795 for (i = 0; i < dev->data->nb_tx_queues; i++) 796 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 797 for (i = 0; i < dev->data->nb_rx_queues; i++) 798 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 799 if (ark->user_ext.stats_get) 800 return ark->user_ext.stats_get(dev, stats, 801 ark->user_data[dev->data->port_id]); 802 return 0; 803 } 804 805 static int 806 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 807 { 808 uint16_t i; 809 struct ark_adapter *ark = dev->data->dev_private; 810 811 for (i = 0; i < dev->data->nb_tx_queues; i++) 812 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 813 for (i = 0; i < dev->data->nb_rx_queues; i++) 814 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 815 if (ark->user_ext.stats_reset) 816 ark->user_ext.stats_reset(dev, 817 ark->user_data[dev->data->port_id]); 818 819 return 0; 820 } 821 822 static int 823 eth_ark_macaddr_add(struct rte_eth_dev *dev, 824 struct rte_ether_addr *mac_addr, 825 uint32_t index, 826 uint32_t pool) 827 { 828 struct ark_adapter *ark = dev->data->dev_private; 829 830 if (ark->user_ext.mac_addr_add) { 831 ark->user_ext.mac_addr_add(dev, 832 mac_addr, 833 index, 834 pool, 835 ark->user_data[dev->data->port_id]); 836 return 0; 837 } 838 return -ENOTSUP; 839 } 840 841 static void 842 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 843 { 844 struct ark_adapter *ark = dev->data->dev_private; 845 846 if (ark->user_ext.mac_addr_remove) 847 ark->user_ext.mac_addr_remove(dev, index, 848 ark->user_data[dev->data->port_id]); 849 } 850 851 static int 852 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 853 struct rte_ether_addr *mac_addr) 854 { 855 struct ark_adapter *ark = dev->data->dev_private; 856 857 if (ark->user_ext.mac_addr_set) { 858 ark->user_ext.mac_addr_set(dev, mac_addr, 859 ark->user_data[dev->data->port_id]); 860 return 0; 861 } 862 return -ENOTSUP; 863 } 864 865 static int 866 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 867 { 868 struct ark_adapter *ark = dev->data->dev_private; 869 870 if (ark->user_ext.set_mtu) 871 return ark->user_ext.set_mtu(dev, size, 872 ark->user_data[dev->data->port_id]); 873 874 return -ENOTSUP; 875 } 876 877 static inline int 878 process_pktdir_arg(const char *key, const char *value, 879 void *extra_args) 880 { 881 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 882 key, value); 883 struct ark_adapter *ark = 884 (struct ark_adapter *)extra_args; 885 886 ark->pkt_dir_v = strtol(value, NULL, 16); 887 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 888 return 0; 889 } 890 891 static inline int 892 process_file_args(const char *key, const char *value, void *extra_args) 893 { 894 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 895 key, value); 896 char *args = (char *)extra_args; 897 898 /* Open the configuration file */ 899 FILE *file = fopen(value, "r"); 900 char line[ARK_MAX_ARG_LEN]; 901 int size = 0; 902 int first = 1; 903 904 if (file == NULL) { 905 ARK_PMD_LOG(ERR, "Unable to open " 906 "config file %s\n", value); 907 return -1; 908 } 909 910 while (fgets(line, sizeof(line), file)) { 911 size += strlen(line); 912 if (size >= ARK_MAX_ARG_LEN) { 913 ARK_PMD_LOG(ERR, "Unable to parse file %s args, " 914 "parameter list is too long\n", value); 915 fclose(file); 916 return -1; 917 } 918 if (first) { 919 strncpy(args, line, ARK_MAX_ARG_LEN); 920 first = 0; 921 } else { 922 strncat(args, line, ARK_MAX_ARG_LEN); 923 } 924 } 925 ARK_PMD_LOG(DEBUG, "file = %s\n", args); 926 fclose(file); 927 return 0; 928 } 929 930 static int 931 eth_ark_check_args(struct ark_adapter *ark, const char *params) 932 { 933 struct rte_kvargs *kvlist; 934 unsigned int k_idx; 935 struct rte_kvargs_pair *pair = NULL; 936 int ret = -1; 937 938 kvlist = rte_kvargs_parse(params, valid_arguments); 939 if (kvlist == NULL) 940 return 0; 941 942 ark->pkt_gen_args[0] = 0; 943 ark->pkt_chkr_args[0] = 0; 944 945 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 946 pair = &kvlist->pairs[k_idx]; 947 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 948 pair->key, 949 pair->value); 950 } 951 952 if (rte_kvargs_process(kvlist, 953 ARK_PKTDIR_ARG, 954 &process_pktdir_arg, 955 ark) != 0) { 956 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 957 goto free_kvlist; 958 } 959 960 if (rte_kvargs_process(kvlist, 961 ARK_PKTGEN_ARG, 962 &process_file_args, 963 ark->pkt_gen_args) != 0) { 964 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 965 goto free_kvlist; 966 } 967 968 if (rte_kvargs_process(kvlist, 969 ARK_PKTCHKR_ARG, 970 &process_file_args, 971 ark->pkt_chkr_args) != 0) { 972 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 973 goto free_kvlist; 974 } 975 976 if (ark->isvf) { 977 ret = 0; 978 goto free_kvlist; 979 } 980 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 981 /* Setup the packet director */ 982 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 983 984 /* Setup the packet generator */ 985 if (ark->pkt_gen_args[0]) { 986 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n"); 987 ark_pktgen_parse(ark->pkt_gen_args); 988 ark_pktgen_reset(ark->pg); 989 ark_pktgen_setup(ark->pg); 990 ark->start_pg = 1; 991 } 992 993 /* Setup the packet checker */ 994 if (ark->pkt_chkr_args[0]) { 995 ark_pktchkr_parse(ark->pkt_chkr_args); 996 ark_pktchkr_setup(ark->pc); 997 } 998 999 ret = 0; 1000 1001 free_kvlist: 1002 rte_kvargs_free(kvlist); 1003 1004 return ret; 1005 } 1006 1007 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1008 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1009 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1010 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1011 ARK_PKTGEN_ARG "=<filename> " 1012 ARK_PKTCHKR_ARG "=<filename> " 1013 ARK_PKTDIR_ARG "=<bitmap>"); 1014 RTE_LOG_REGISTER_DEFAULT(ark_logtype, NOTICE); 1015