1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2018-2019 NXP 3 */ 4 5 #include <sys/ioctl.h> 6 #include <sys/epoll.h> 7 #include <rte_kvargs.h> 8 #include <rte_ethdev_vdev.h> 9 #include <rte_bus_vdev.h> 10 #include <rte_ether.h> 11 #include <dpaa_of.h> 12 13 #include "pfe_logs.h" 14 #include "pfe_mod.h" 15 16 #define PFE_MAX_MACS 1 /* we can support up to 4 MACs per IF */ 17 #define PFE_VDEV_GEM_ID_ARG "intf" 18 19 struct pfe_vdev_init_params { 20 int8_t gem_id; 21 }; 22 static struct pfe *g_pfe; 23 /* Supported Rx offloads */ 24 static uint64_t dev_rx_offloads_sup = 25 DEV_RX_OFFLOAD_IPV4_CKSUM | 26 DEV_RX_OFFLOAD_UDP_CKSUM | 27 DEV_RX_OFFLOAD_TCP_CKSUM; 28 29 /* Supported Tx offloads */ 30 static uint64_t dev_tx_offloads_sup = 31 DEV_TX_OFFLOAD_IPV4_CKSUM | 32 DEV_TX_OFFLOAD_UDP_CKSUM | 33 DEV_TX_OFFLOAD_TCP_CKSUM; 34 35 /* TODO: make pfe_svr a runtime option. 36 * Driver should be able to get the SVR 37 * information from HW. 38 */ 39 unsigned int pfe_svr = SVR_LS1012A_REV1; 40 static void *cbus_emac_base[3]; 41 static void *cbus_gpi_base[3]; 42 43 /* pfe_gemac_init 44 */ 45 static int 46 pfe_gemac_init(struct pfe_eth_priv_s *priv) 47 { 48 struct gemac_cfg cfg; 49 50 cfg.speed = SPEED_1000M; 51 cfg.duplex = DUPLEX_FULL; 52 53 gemac_set_config(priv->EMAC_baseaddr, &cfg); 54 gemac_allow_broadcast(priv->EMAC_baseaddr); 55 gemac_enable_1536_rx(priv->EMAC_baseaddr); 56 gemac_enable_stacked_vlan(priv->EMAC_baseaddr); 57 gemac_enable_pause_rx(priv->EMAC_baseaddr); 58 gemac_set_bus_width(priv->EMAC_baseaddr, 64); 59 gemac_enable_rx_checksum_offload(priv->EMAC_baseaddr); 60 61 return 0; 62 } 63 64 static void 65 pfe_soc_version_get(void) 66 { 67 FILE *svr_file = NULL; 68 unsigned int svr_ver = 0; 69 70 PMD_INIT_FUNC_TRACE(); 71 72 svr_file = fopen(PFE_SOC_ID_FILE, "r"); 73 if (!svr_file) { 74 PFE_PMD_ERR("Unable to open SoC device"); 75 return; /* Not supported on this infra */ 76 } 77 78 if (fscanf(svr_file, "svr:%x", &svr_ver) > 0) 79 pfe_svr = svr_ver; 80 else 81 PFE_PMD_ERR("Unable to read SoC device"); 82 83 fclose(svr_file); 84 } 85 86 static int pfe_eth_start(struct pfe_eth_priv_s *priv) 87 { 88 gpi_enable(priv->GPI_baseaddr); 89 gemac_enable(priv->EMAC_baseaddr); 90 91 return 0; 92 } 93 94 static void 95 pfe_eth_flush_txQ(struct pfe_eth_priv_s *priv, int tx_q_num, int 96 __rte_unused from_tx, __rte_unused int n_desc) 97 { 98 struct rte_mbuf *mbuf; 99 unsigned int flags; 100 101 /* Clean HIF and client queue */ 102 while ((mbuf = hif_lib_tx_get_next_complete(&priv->client, 103 tx_q_num, &flags, 104 HIF_TX_DESC_NT))) { 105 if (mbuf) { 106 mbuf->next = NULL; 107 mbuf->nb_segs = 1; 108 rte_pktmbuf_free(mbuf); 109 } 110 } 111 } 112 113 114 static void 115 pfe_eth_flush_tx(struct pfe_eth_priv_s *priv) 116 { 117 unsigned int ii; 118 119 for (ii = 0; ii < emac_txq_cnt; ii++) 120 pfe_eth_flush_txQ(priv, ii, 0, 0); 121 } 122 123 static int 124 pfe_eth_event_handler(void *data, int event, __rte_unused int qno) 125 { 126 struct pfe_eth_priv_s *priv = data; 127 128 switch (event) { 129 case EVENT_TXDONE_IND: 130 pfe_eth_flush_tx(priv); 131 hif_lib_event_handler_start(&priv->client, EVENT_TXDONE_IND, 0); 132 break; 133 case EVENT_HIGH_RX_WM: 134 default: 135 break; 136 } 137 138 return 0; 139 } 140 141 static uint16_t 142 pfe_recv_pkts_on_intr(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) 143 { 144 struct hif_client_rx_queue *queue = rxq; 145 struct pfe_eth_priv_s *priv = queue->priv; 146 struct epoll_event epoll_ev; 147 uint64_t ticks = 1; /* 1 msec */ 148 int ret; 149 int have_something, work_done; 150 151 #define RESET_STATUS (HIF_INT | HIF_RXPKT_INT) 152 153 /*TODO can we remove this cleanup from here?*/ 154 pfe_tx_do_cleanup(priv->pfe); 155 have_something = pfe_hif_rx_process(priv->pfe, nb_pkts); 156 work_done = hif_lib_receive_pkt(rxq, priv->pfe->hif.shm->pool, 157 rx_pkts, nb_pkts); 158 159 if (!have_something || !work_done) { 160 writel(RESET_STATUS, HIF_INT_SRC); 161 writel(readl(HIF_INT_ENABLE) | HIF_RXPKT_INT, HIF_INT_ENABLE); 162 ret = epoll_wait(priv->pfe->hif.epoll_fd, &epoll_ev, 1, ticks); 163 if (ret < 0 && errno != EINTR) 164 PFE_PMD_ERR("epoll_wait fails with %d\n", errno); 165 } 166 167 return work_done; 168 } 169 170 static uint16_t 171 pfe_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) 172 { 173 struct hif_client_rx_queue *queue = rxq; 174 struct pfe_eth_priv_s *priv = queue->priv; 175 struct rte_mempool *pool; 176 177 /*TODO can we remove this cleanup from here?*/ 178 pfe_tx_do_cleanup(priv->pfe); 179 pfe_hif_rx_process(priv->pfe, nb_pkts); 180 pool = priv->pfe->hif.shm->pool; 181 182 return hif_lib_receive_pkt(rxq, pool, rx_pkts, nb_pkts); 183 } 184 185 static uint16_t 186 pfe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) 187 { 188 struct hif_client_tx_queue *queue = tx_queue; 189 struct pfe_eth_priv_s *priv = queue->priv; 190 struct rte_eth_stats *stats = &priv->stats; 191 int i; 192 193 for (i = 0; i < nb_pkts; i++) { 194 if (tx_pkts[i]->nb_segs > 1) { 195 struct rte_mbuf *mbuf; 196 int j; 197 198 hif_lib_xmit_pkt(&priv->client, queue->queue_id, 199 (void *)(size_t)rte_pktmbuf_iova(tx_pkts[i]), 200 tx_pkts[i]->buf_addr + tx_pkts[i]->data_off, 201 tx_pkts[i]->data_len, 0x0, HIF_FIRST_BUFFER, 202 tx_pkts[i]); 203 204 mbuf = tx_pkts[i]->next; 205 for (j = 0; j < (tx_pkts[i]->nb_segs - 2); j++) { 206 hif_lib_xmit_pkt(&priv->client, queue->queue_id, 207 (void *)(size_t)rte_pktmbuf_iova(mbuf), 208 mbuf->buf_addr + mbuf->data_off, 209 mbuf->data_len, 210 0x0, 0x0, mbuf); 211 mbuf = mbuf->next; 212 } 213 214 hif_lib_xmit_pkt(&priv->client, queue->queue_id, 215 (void *)(size_t)rte_pktmbuf_iova(mbuf), 216 mbuf->buf_addr + mbuf->data_off, 217 mbuf->data_len, 218 0x0, HIF_LAST_BUFFER | HIF_DATA_VALID, 219 mbuf); 220 } else { 221 hif_lib_xmit_pkt(&priv->client, queue->queue_id, 222 (void *)(size_t)rte_pktmbuf_iova(tx_pkts[i]), 223 tx_pkts[i]->buf_addr + tx_pkts[i]->data_off, 224 tx_pkts[i]->pkt_len, 0 /*ctrl*/, 225 HIF_FIRST_BUFFER | HIF_LAST_BUFFER | 226 HIF_DATA_VALID, 227 tx_pkts[i]); 228 } 229 stats->obytes += tx_pkts[i]->pkt_len; 230 hif_tx_dma_start(); 231 } 232 stats->opackets += nb_pkts; 233 pfe_tx_do_cleanup(priv->pfe); 234 235 return nb_pkts; 236 } 237 238 static uint16_t 239 pfe_dummy_xmit_pkts(__rte_unused void *tx_queue, 240 __rte_unused struct rte_mbuf **tx_pkts, 241 __rte_unused uint16_t nb_pkts) 242 { 243 return 0; 244 } 245 246 static uint16_t 247 pfe_dummy_recv_pkts(__rte_unused void *rxq, 248 __rte_unused struct rte_mbuf **rx_pkts, 249 __rte_unused uint16_t nb_pkts) 250 { 251 return 0; 252 } 253 254 static int 255 pfe_eth_open(struct rte_eth_dev *dev) 256 { 257 struct pfe_eth_priv_s *priv = dev->data->dev_private; 258 struct hif_client_s *client; 259 struct hif_shm *hif_shm; 260 int rc; 261 262 /* Register client driver with HIF */ 263 client = &priv->client; 264 265 if (client->pfe) { 266 hif_shm = client->pfe->hif.shm; 267 /* TODO please remove the below code of if block, once we add 268 * the proper cleanup in eth_close 269 */ 270 if (!test_bit(PFE_CL_GEM0 + priv->id, 271 &hif_shm->g_client_status[0])) { 272 /* Register client driver with HIF */ 273 memset(client, 0, sizeof(*client)); 274 client->id = PFE_CL_GEM0 + priv->id; 275 client->tx_qn = emac_txq_cnt; 276 client->rx_qn = EMAC_RXQ_CNT; 277 client->priv = priv; 278 client->pfe = priv->pfe; 279 client->port_id = dev->data->port_id; 280 client->event_handler = pfe_eth_event_handler; 281 282 client->tx_qsize = EMAC_TXQ_DEPTH; 283 client->rx_qsize = EMAC_RXQ_DEPTH; 284 285 rc = hif_lib_client_register(client); 286 if (rc) { 287 PFE_PMD_ERR("hif_lib_client_register(%d)" 288 " failed", client->id); 289 goto err0; 290 } 291 } else { 292 /* Freeing the packets if already exists */ 293 int ret = 0; 294 struct rte_mbuf *rx_pkts[32]; 295 /* TODO multiqueue support */ 296 ret = hif_lib_receive_pkt(&client->rx_q[0], 297 hif_shm->pool, rx_pkts, 32); 298 while (ret) { 299 int i; 300 for (i = 0; i < ret; i++) 301 rte_pktmbuf_free(rx_pkts[i]); 302 ret = hif_lib_receive_pkt(&client->rx_q[0], 303 hif_shm->pool, 304 rx_pkts, 32); 305 } 306 } 307 } else { 308 /* Register client driver with HIF */ 309 memset(client, 0, sizeof(*client)); 310 client->id = PFE_CL_GEM0 + priv->id; 311 client->tx_qn = emac_txq_cnt; 312 client->rx_qn = EMAC_RXQ_CNT; 313 client->priv = priv; 314 client->pfe = priv->pfe; 315 client->port_id = dev->data->port_id; 316 client->event_handler = pfe_eth_event_handler; 317 318 client->tx_qsize = EMAC_TXQ_DEPTH; 319 client->rx_qsize = EMAC_RXQ_DEPTH; 320 321 rc = hif_lib_client_register(client); 322 if (rc) { 323 PFE_PMD_ERR("hif_lib_client_register(%d) failed", 324 client->id); 325 goto err0; 326 } 327 } 328 rc = pfe_eth_start(priv); 329 dev->rx_pkt_burst = &pfe_recv_pkts; 330 dev->tx_pkt_burst = &pfe_xmit_pkts; 331 /* If no prefetch is configured. */ 332 if (getenv("PFE_INTR_SUPPORT")) { 333 dev->rx_pkt_burst = &pfe_recv_pkts_on_intr; 334 PFE_PMD_INFO("PFE INTERRUPT Mode enabled"); 335 } 336 337 338 err0: 339 return rc; 340 } 341 342 static int 343 pfe_eth_open_cdev(struct pfe_eth_priv_s *priv) 344 { 345 int pfe_cdev_fd; 346 347 if (priv == NULL) 348 return -1; 349 350 pfe_cdev_fd = open(PFE_CDEV_PATH, O_RDONLY); 351 if (pfe_cdev_fd < 0) { 352 PFE_PMD_WARN("Unable to open PFE device file (%s).\n", 353 PFE_CDEV_PATH); 354 PFE_PMD_WARN("Link status update will not be available.\n"); 355 priv->link_fd = PFE_CDEV_INVALID_FD; 356 return -1; 357 } 358 359 priv->link_fd = pfe_cdev_fd; 360 361 return 0; 362 } 363 364 static void 365 pfe_eth_close_cdev(struct pfe_eth_priv_s *priv) 366 { 367 if (priv == NULL) 368 return; 369 370 if (priv->link_fd != PFE_CDEV_INVALID_FD) { 371 close(priv->link_fd); 372 priv->link_fd = PFE_CDEV_INVALID_FD; 373 } 374 } 375 376 static int 377 pfe_eth_stop(struct rte_eth_dev *dev/*, int wake*/) 378 { 379 struct pfe_eth_priv_s *priv = dev->data->dev_private; 380 381 dev->data->dev_started = 0; 382 383 gemac_disable(priv->EMAC_baseaddr); 384 gpi_disable(priv->GPI_baseaddr); 385 386 dev->rx_pkt_burst = &pfe_dummy_recv_pkts; 387 dev->tx_pkt_burst = &pfe_dummy_xmit_pkts; 388 389 return 0; 390 } 391 392 static int 393 pfe_eth_close(struct rte_eth_dev *dev) 394 { 395 int ret; 396 PMD_INIT_FUNC_TRACE(); 397 398 if (!dev) 399 return -1; 400 401 if (!g_pfe) 402 return -1; 403 404 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 405 return 0; 406 407 ret = pfe_eth_stop(dev); 408 /* Close the device file for link status */ 409 pfe_eth_close_cdev(dev->data->dev_private); 410 411 munmap(g_pfe->cbus_baseaddr, g_pfe->cbus_size); 412 g_pfe->nb_devs--; 413 414 if (g_pfe->nb_devs == 0) { 415 pfe_hif_exit(g_pfe); 416 pfe_hif_lib_exit(g_pfe); 417 rte_free(g_pfe); 418 g_pfe = NULL; 419 } 420 421 return ret; 422 } 423 424 static int 425 pfe_eth_configure(struct rte_eth_dev *dev __rte_unused) 426 { 427 return 0; 428 } 429 430 static int 431 pfe_eth_info(struct rte_eth_dev *dev, 432 struct rte_eth_dev_info *dev_info) 433 { 434 dev_info->max_mac_addrs = PFE_MAX_MACS; 435 dev_info->max_rx_queues = dev->data->nb_rx_queues; 436 dev_info->max_tx_queues = dev->data->nb_tx_queues; 437 dev_info->min_rx_bufsize = HIF_RX_PKT_MIN_SIZE; 438 dev_info->min_mtu = RTE_ETHER_MIN_MTU; 439 dev_info->rx_offload_capa = dev_rx_offloads_sup; 440 dev_info->tx_offload_capa = dev_tx_offloads_sup; 441 if (pfe_svr == SVR_LS1012A_REV1) { 442 dev_info->max_rx_pktlen = MAX_MTU_ON_REV1 + PFE_ETH_OVERHEAD; 443 dev_info->max_mtu = MAX_MTU_ON_REV1; 444 } else { 445 dev_info->max_rx_pktlen = JUMBO_FRAME_SIZE; 446 dev_info->max_mtu = JUMBO_FRAME_SIZE - PFE_ETH_OVERHEAD; 447 } 448 449 return 0; 450 } 451 452 /* Only first mb_pool given on first call of this API will be used 453 * in whole system, also nb_rx_desc and rx_conf are unused params 454 */ 455 static int 456 pfe_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, 457 __rte_unused uint16_t nb_rx_desc, 458 __rte_unused unsigned int socket_id, 459 __rte_unused const struct rte_eth_rxconf *rx_conf, 460 struct rte_mempool *mb_pool) 461 { 462 int rc = 0; 463 struct pfe *pfe; 464 struct pfe_eth_priv_s *priv = dev->data->dev_private; 465 466 pfe = priv->pfe; 467 468 if (queue_idx >= EMAC_RXQ_CNT) { 469 PFE_PMD_ERR("Invalid queue idx = %d, Max queues = %d", 470 queue_idx, EMAC_RXQ_CNT); 471 return -1; 472 } 473 474 if (!pfe->hif.setuped) { 475 rc = pfe_hif_shm_init(pfe->hif.shm, mb_pool); 476 if (rc) { 477 PFE_PMD_ERR("Could not allocate buffer descriptors"); 478 return -1; 479 } 480 481 pfe->hif.shm->pool = mb_pool; 482 if (pfe_hif_init_buffers(&pfe->hif)) { 483 PFE_PMD_ERR("Could not initialize buffer descriptors"); 484 return -1; 485 } 486 hif_init(); 487 hif_rx_enable(); 488 hif_tx_enable(); 489 pfe->hif.setuped = 1; 490 } 491 dev->data->rx_queues[queue_idx] = &priv->client.rx_q[queue_idx]; 492 priv->client.rx_q[queue_idx].queue_id = queue_idx; 493 494 return 0; 495 } 496 497 static void 498 pfe_rx_queue_release(void *q __rte_unused) 499 { 500 PMD_INIT_FUNC_TRACE(); 501 } 502 503 static void 504 pfe_tx_queue_release(void *q __rte_unused) 505 { 506 PMD_INIT_FUNC_TRACE(); 507 } 508 509 static int 510 pfe_tx_queue_setup(struct rte_eth_dev *dev, 511 uint16_t queue_idx, 512 __rte_unused uint16_t nb_desc, 513 __rte_unused unsigned int socket_id, 514 __rte_unused const struct rte_eth_txconf *tx_conf) 515 { 516 struct pfe_eth_priv_s *priv = dev->data->dev_private; 517 518 if (queue_idx >= emac_txq_cnt) { 519 PFE_PMD_ERR("Invalid queue idx = %d, Max queues = %d", 520 queue_idx, emac_txq_cnt); 521 return -1; 522 } 523 dev->data->tx_queues[queue_idx] = &priv->client.tx_q[queue_idx]; 524 priv->client.tx_q[queue_idx].queue_id = queue_idx; 525 return 0; 526 } 527 528 static const uint32_t * 529 pfe_supported_ptypes_get(struct rte_eth_dev *dev) 530 { 531 static const uint32_t ptypes[] = { 532 /*todo -= add more types */ 533 RTE_PTYPE_L2_ETHER, 534 RTE_PTYPE_L3_IPV4, 535 RTE_PTYPE_L3_IPV4_EXT, 536 RTE_PTYPE_L3_IPV6, 537 RTE_PTYPE_L3_IPV6_EXT, 538 RTE_PTYPE_L4_TCP, 539 RTE_PTYPE_L4_UDP, 540 RTE_PTYPE_L4_SCTP 541 }; 542 543 if (dev->rx_pkt_burst == pfe_recv_pkts || 544 dev->rx_pkt_burst == pfe_recv_pkts_on_intr) 545 return ptypes; 546 return NULL; 547 } 548 549 static inline int 550 pfe_eth_atomic_read_link_status(struct rte_eth_dev *dev, 551 struct rte_eth_link *link) 552 { 553 struct rte_eth_link *dst = link; 554 struct rte_eth_link *src = &dev->data->dev_link; 555 556 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, 557 *(uint64_t *)src) == 0) 558 return -1; 559 560 return 0; 561 } 562 563 static inline int 564 pfe_eth_atomic_write_link_status(struct rte_eth_dev *dev, 565 struct rte_eth_link *link) 566 { 567 struct rte_eth_link *dst = &dev->data->dev_link; 568 struct rte_eth_link *src = link; 569 570 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, 571 *(uint64_t *)src) == 0) 572 return -1; 573 574 return 0; 575 } 576 577 static int 578 pfe_eth_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused) 579 { 580 int ret, ioctl_cmd = 0; 581 struct pfe_eth_priv_s *priv = dev->data->dev_private; 582 struct rte_eth_link link, old; 583 unsigned int lstatus = 1; 584 585 if (dev == NULL) { 586 PFE_PMD_ERR("Invalid device in link_update.\n"); 587 return 0; 588 } 589 590 memset(&old, 0, sizeof(old)); 591 memset(&link, 0, sizeof(struct rte_eth_link)); 592 593 pfe_eth_atomic_read_link_status(dev, &old); 594 595 /* Read from PFE CDEV, status of link, if file was successfully 596 * opened. 597 */ 598 if (priv->link_fd != PFE_CDEV_INVALID_FD) { 599 if (priv->id == 0) 600 ioctl_cmd = PFE_CDEV_ETH0_STATE_GET; 601 if (priv->id == 1) 602 ioctl_cmd = PFE_CDEV_ETH1_STATE_GET; 603 604 ret = ioctl(priv->link_fd, ioctl_cmd, &lstatus); 605 if (ret != 0) { 606 PFE_PMD_ERR("Unable to fetch link status (ioctl)\n"); 607 /* use dummy link value */ 608 link.link_status = 1; 609 } 610 PFE_PMD_DEBUG("Fetched link state (%d) for dev %d.\n", 611 lstatus, priv->id); 612 } 613 614 if (old.link_status == lstatus) { 615 /* no change in status */ 616 PFE_PMD_DEBUG("No change in link status; Not updating.\n"); 617 return -1; 618 } 619 620 link.link_status = lstatus; 621 link.link_speed = ETH_LINK_SPEED_1G; 622 link.link_duplex = ETH_LINK_FULL_DUPLEX; 623 link.link_autoneg = ETH_LINK_AUTONEG; 624 625 pfe_eth_atomic_write_link_status(dev, &link); 626 627 PFE_PMD_INFO("Port (%d) link is %s\n", dev->data->port_id, 628 link.link_status ? "up" : "down"); 629 630 return 0; 631 } 632 633 static int 634 pfe_promiscuous_enable(struct rte_eth_dev *dev) 635 { 636 struct pfe_eth_priv_s *priv = dev->data->dev_private; 637 638 priv->promisc = 1; 639 dev->data->promiscuous = 1; 640 gemac_enable_copy_all(priv->EMAC_baseaddr); 641 642 return 0; 643 } 644 645 static int 646 pfe_promiscuous_disable(struct rte_eth_dev *dev) 647 { 648 struct pfe_eth_priv_s *priv = dev->data->dev_private; 649 650 priv->promisc = 0; 651 dev->data->promiscuous = 0; 652 gemac_disable_copy_all(priv->EMAC_baseaddr); 653 654 return 0; 655 } 656 657 static int 658 pfe_allmulticast_enable(struct rte_eth_dev *dev) 659 { 660 struct pfe_eth_priv_s *priv = dev->data->dev_private; 661 struct pfe_mac_addr hash_addr; /* hash register structure */ 662 663 /* Set the hash to rx all multicast frames */ 664 hash_addr.bottom = 0xFFFFFFFF; 665 hash_addr.top = 0xFFFFFFFF; 666 gemac_set_hash(priv->EMAC_baseaddr, &hash_addr); 667 dev->data->all_multicast = 1; 668 669 return 0; 670 } 671 672 static int 673 pfe_link_down(struct rte_eth_dev *dev) 674 { 675 return pfe_eth_stop(dev); 676 } 677 678 static int 679 pfe_link_up(struct rte_eth_dev *dev) 680 { 681 struct pfe_eth_priv_s *priv = dev->data->dev_private; 682 683 pfe_eth_start(priv); 684 return 0; 685 } 686 687 static int 688 pfe_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) 689 { 690 int ret; 691 struct pfe_eth_priv_s *priv = dev->data->dev_private; 692 uint16_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; 693 694 /*TODO Support VLAN*/ 695 ret = gemac_set_rx(priv->EMAC_baseaddr, frame_size); 696 if (!ret) 697 dev->data->mtu = mtu; 698 699 return ret; 700 } 701 702 /* pfe_eth_enet_addr_byte_mac 703 */ 704 static int 705 pfe_eth_enet_addr_byte_mac(u8 *enet_byte_addr, 706 struct pfe_mac_addr *enet_addr) 707 { 708 if (!enet_byte_addr || !enet_addr) { 709 return -1; 710 711 } else { 712 enet_addr->bottom = enet_byte_addr[0] | 713 (enet_byte_addr[1] << 8) | 714 (enet_byte_addr[2] << 16) | 715 (enet_byte_addr[3] << 24); 716 enet_addr->top = enet_byte_addr[4] | 717 (enet_byte_addr[5] << 8); 718 return 0; 719 } 720 } 721 722 static int 723 pfe_dev_set_mac_addr(struct rte_eth_dev *dev, 724 struct rte_ether_addr *addr) 725 { 726 struct pfe_eth_priv_s *priv = dev->data->dev_private; 727 struct pfe_mac_addr spec_addr; 728 int ret; 729 730 ret = pfe_eth_enet_addr_byte_mac(addr->addr_bytes, &spec_addr); 731 if (ret) 732 return ret; 733 734 gemac_set_laddrN(priv->EMAC_baseaddr, 735 (struct pfe_mac_addr *)&spec_addr, 1); 736 rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]); 737 return 0; 738 } 739 740 static int 741 pfe_stats_get(struct rte_eth_dev *dev, 742 struct rte_eth_stats *stats) 743 { 744 struct pfe_eth_priv_s *priv = dev->data->dev_private; 745 struct rte_eth_stats *eth_stats = &priv->stats; 746 747 if (stats == NULL) 748 return -1; 749 750 memset(stats, 0, sizeof(struct rte_eth_stats)); 751 752 stats->ipackets = eth_stats->ipackets; 753 stats->ibytes = eth_stats->ibytes; 754 stats->opackets = eth_stats->opackets; 755 stats->obytes = eth_stats->obytes; 756 757 return 0; 758 } 759 760 static const struct eth_dev_ops ops = { 761 .dev_start = pfe_eth_open, 762 .dev_stop = pfe_eth_stop, 763 .dev_close = pfe_eth_close, 764 .dev_configure = pfe_eth_configure, 765 .dev_infos_get = pfe_eth_info, 766 .rx_queue_setup = pfe_rx_queue_setup, 767 .rx_queue_release = pfe_rx_queue_release, 768 .tx_queue_setup = pfe_tx_queue_setup, 769 .tx_queue_release = pfe_tx_queue_release, 770 .dev_supported_ptypes_get = pfe_supported_ptypes_get, 771 .link_update = pfe_eth_link_update, 772 .promiscuous_enable = pfe_promiscuous_enable, 773 .promiscuous_disable = pfe_promiscuous_disable, 774 .allmulticast_enable = pfe_allmulticast_enable, 775 .dev_set_link_down = pfe_link_down, 776 .dev_set_link_up = pfe_link_up, 777 .mtu_set = pfe_mtu_set, 778 .mac_addr_set = pfe_dev_set_mac_addr, 779 .stats_get = pfe_stats_get, 780 }; 781 782 static int 783 pfe_eth_init(struct rte_vdev_device *vdev, struct pfe *pfe, int id) 784 { 785 struct rte_eth_dev *eth_dev = NULL; 786 struct pfe_eth_priv_s *priv = NULL; 787 struct ls1012a_eth_platform_data *einfo; 788 struct ls1012a_pfe_platform_data *pfe_info; 789 struct rte_ether_addr addr; 790 int err; 791 792 eth_dev = rte_eth_vdev_allocate(vdev, sizeof(*priv)); 793 if (eth_dev == NULL) 794 return -ENOMEM; 795 796 /* Extract pltform data */ 797 pfe_info = (struct ls1012a_pfe_platform_data *)&pfe->platform_data; 798 if (!pfe_info) { 799 PFE_PMD_ERR("pfe missing additional platform data"); 800 err = -ENODEV; 801 goto err0; 802 } 803 804 einfo = (struct ls1012a_eth_platform_data *)pfe_info->ls1012a_eth_pdata; 805 806 /* einfo never be NULL, but no harm in having this check */ 807 if (!einfo) { 808 PFE_PMD_ERR("pfe missing additional gemacs platform data"); 809 err = -ENODEV; 810 goto err0; 811 } 812 813 priv = eth_dev->data->dev_private; 814 priv->ndev = eth_dev; 815 priv->id = einfo[id].gem_id; 816 priv->pfe = pfe; 817 818 pfe->eth.eth_priv[id] = priv; 819 820 /* Set the info in the priv to the current info */ 821 priv->einfo = &einfo[id]; 822 priv->EMAC_baseaddr = cbus_emac_base[id]; 823 priv->PHY_baseaddr = cbus_emac_base[id]; 824 priv->GPI_baseaddr = cbus_gpi_base[id]; 825 826 #define HIF_GEMAC_TMUQ_BASE 6 827 priv->low_tmu_q = HIF_GEMAC_TMUQ_BASE + (id * 2); 828 priv->high_tmu_q = priv->low_tmu_q + 1; 829 830 rte_spinlock_init(&priv->lock); 831 832 /* Copy the station address into the dev structure, */ 833 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", 834 ETHER_ADDR_LEN * PFE_MAX_MACS, 0); 835 if (eth_dev->data->mac_addrs == NULL) { 836 PFE_PMD_ERR("Failed to allocate mem %d to store MAC addresses", 837 ETHER_ADDR_LEN * PFE_MAX_MACS); 838 err = -ENOMEM; 839 goto err0; 840 } 841 842 memcpy(addr.addr_bytes, priv->einfo->mac_addr, 843 ETH_ALEN); 844 845 pfe_dev_set_mac_addr(eth_dev, &addr); 846 rte_ether_addr_copy(&addr, ð_dev->data->mac_addrs[0]); 847 848 eth_dev->data->mtu = 1500; 849 eth_dev->dev_ops = &ops; 850 err = pfe_eth_stop(eth_dev); 851 if (err != 0) 852 goto err0; 853 pfe_gemac_init(priv); 854 855 eth_dev->data->nb_rx_queues = 1; 856 eth_dev->data->nb_tx_queues = 1; 857 858 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 859 860 /* For link status, open the PFE CDEV; Error from this function 861 * is silently ignored; In case of error, the link status will not 862 * be available. 863 */ 864 pfe_eth_open_cdev(priv); 865 rte_eth_dev_probing_finish(eth_dev); 866 867 return 0; 868 err0: 869 rte_eth_dev_release_port(eth_dev); 870 return err; 871 } 872 873 static int 874 pfe_get_gemac_if_proprties(struct pfe *pfe, 875 __rte_unused const struct device_node *parent, 876 unsigned int port, unsigned int if_cnt, 877 struct ls1012a_pfe_platform_data *pdata) 878 { 879 const struct device_node *gem = NULL; 880 size_t size; 881 unsigned int ii = 0, phy_id = 0; 882 const u32 *addr; 883 const void *mac_addr; 884 885 for (ii = 0; ii < if_cnt; ii++) { 886 gem = of_get_next_child(parent, gem); 887 if (!gem) 888 goto err; 889 addr = of_get_property(gem, "reg", &size); 890 if (addr && (rte_be_to_cpu_32((unsigned int)*addr) == port)) 891 break; 892 } 893 894 if (ii >= if_cnt) { 895 PFE_PMD_ERR("Failed to find interface = %d", if_cnt); 896 goto err; 897 } 898 899 pdata->ls1012a_eth_pdata[port].gem_id = port; 900 901 mac_addr = of_get_mac_address(gem); 902 903 if (mac_addr) { 904 memcpy(pdata->ls1012a_eth_pdata[port].mac_addr, mac_addr, 905 ETH_ALEN); 906 } 907 908 addr = of_get_property(gem, "fsl,mdio-mux-val", &size); 909 if (!addr) { 910 PFE_PMD_ERR("Invalid mdio-mux-val...."); 911 } else { 912 phy_id = rte_be_to_cpu_32((unsigned int)*addr); 913 pdata->ls1012a_eth_pdata[port].mdio_muxval = phy_id; 914 } 915 if (pdata->ls1012a_eth_pdata[port].phy_id < 32) 916 pfe->mdio_muxval[pdata->ls1012a_eth_pdata[port].phy_id] = 917 pdata->ls1012a_eth_pdata[port].mdio_muxval; 918 919 return 0; 920 921 err: 922 return -1; 923 } 924 925 /* Parse integer from integer argument */ 926 static int 927 parse_integer_arg(const char *key __rte_unused, 928 const char *value, void *extra_args) 929 { 930 int i; 931 char *end; 932 errno = 0; 933 934 i = strtol(value, &end, 10); 935 if (*end != 0 || errno != 0 || i < 0 || i > 1) { 936 PFE_PMD_ERR("Supported Port IDS are 0 and 1"); 937 return -EINVAL; 938 } 939 940 *((uint32_t *)extra_args) = i; 941 942 return 0; 943 } 944 945 static int 946 pfe_parse_vdev_init_params(struct pfe_vdev_init_params *params, 947 struct rte_vdev_device *dev) 948 { 949 struct rte_kvargs *kvlist = NULL; 950 int ret = 0; 951 952 static const char * const pfe_vdev_valid_params[] = { 953 PFE_VDEV_GEM_ID_ARG, 954 NULL 955 }; 956 957 const char *input_args = rte_vdev_device_args(dev); 958 959 if (!input_args) 960 return -1; 961 962 kvlist = rte_kvargs_parse(input_args, pfe_vdev_valid_params); 963 if (kvlist == NULL) 964 return -1; 965 966 ret = rte_kvargs_process(kvlist, 967 PFE_VDEV_GEM_ID_ARG, 968 &parse_integer_arg, 969 ¶ms->gem_id); 970 rte_kvargs_free(kvlist); 971 return ret; 972 } 973 974 static int 975 pmd_pfe_probe(struct rte_vdev_device *vdev) 976 { 977 const u32 *prop; 978 const struct device_node *np; 979 const char *name; 980 const uint32_t *addr; 981 uint64_t cbus_addr, ddr_size, cbus_size; 982 int rc = -1, fd = -1, gem_id; 983 unsigned int ii, interface_count = 0; 984 size_t size = 0; 985 struct pfe_vdev_init_params init_params = { 986 .gem_id = -1 987 }; 988 989 name = rte_vdev_device_name(vdev); 990 rc = pfe_parse_vdev_init_params(&init_params, vdev); 991 if (rc < 0) 992 return -EINVAL; 993 994 PFE_PMD_LOG(INFO, "Initializing pmd_pfe for %s Given gem-id %d", 995 name, init_params.gem_id); 996 997 if (g_pfe) { 998 if (g_pfe->nb_devs >= g_pfe->max_intf) { 999 PFE_PMD_ERR("PFE %d dev already created Max is %d", 1000 g_pfe->nb_devs, g_pfe->max_intf); 1001 return -EINVAL; 1002 } 1003 goto eth_init; 1004 } 1005 1006 g_pfe = rte_zmalloc(NULL, sizeof(*g_pfe), RTE_CACHE_LINE_SIZE); 1007 if (g_pfe == NULL) 1008 return -EINVAL; 1009 1010 /* Load the device-tree driver */ 1011 rc = of_init(); 1012 if (rc) { 1013 PFE_PMD_ERR("of_init failed with ret: %d", rc); 1014 goto err; 1015 } 1016 1017 np = of_find_compatible_node(NULL, NULL, "fsl,pfe"); 1018 if (!np) { 1019 PFE_PMD_ERR("Invalid device node"); 1020 rc = -EINVAL; 1021 goto err; 1022 } 1023 1024 addr = of_get_address(np, 0, &cbus_size, NULL); 1025 if (!addr) { 1026 PFE_PMD_ERR("of_get_address cannot return qman address\n"); 1027 goto err; 1028 } 1029 cbus_addr = of_translate_address(np, addr); 1030 if (!cbus_addr) { 1031 PFE_PMD_ERR("of_translate_address failed\n"); 1032 goto err; 1033 } 1034 1035 addr = of_get_address(np, 1, &ddr_size, NULL); 1036 if (!addr) { 1037 PFE_PMD_ERR("of_get_address cannot return qman address\n"); 1038 goto err; 1039 } 1040 1041 g_pfe->ddr_phys_baseaddr = of_translate_address(np, addr); 1042 if (!g_pfe->ddr_phys_baseaddr) { 1043 PFE_PMD_ERR("of_translate_address failed\n"); 1044 goto err; 1045 } 1046 1047 g_pfe->ddr_baseaddr = pfe_mem_ptov(g_pfe->ddr_phys_baseaddr); 1048 g_pfe->ddr_size = ddr_size; 1049 g_pfe->cbus_size = cbus_size; 1050 1051 fd = open("/dev/mem", O_RDWR); 1052 g_pfe->cbus_baseaddr = mmap(NULL, cbus_size, PROT_READ | PROT_WRITE, 1053 MAP_SHARED, fd, cbus_addr); 1054 close(fd); 1055 if (g_pfe->cbus_baseaddr == MAP_FAILED) { 1056 PFE_PMD_ERR("Can not map cbus base"); 1057 rc = -EINVAL; 1058 goto err; 1059 } 1060 1061 /* Read interface count */ 1062 prop = of_get_property(np, "fsl,pfe-num-interfaces", &size); 1063 if (!prop) { 1064 PFE_PMD_ERR("Failed to read number of interfaces"); 1065 rc = -ENXIO; 1066 goto err_prop; 1067 } 1068 1069 interface_count = rte_be_to_cpu_32((unsigned int)*prop); 1070 if (interface_count <= 0) { 1071 PFE_PMD_ERR("No ethernet interface count : %d", 1072 interface_count); 1073 rc = -ENXIO; 1074 goto err_prop; 1075 } 1076 PFE_PMD_INFO("num interfaces = %d ", interface_count); 1077 1078 g_pfe->max_intf = interface_count; 1079 g_pfe->platform_data.ls1012a_mdio_pdata[0].phy_mask = 0xffffffff; 1080 1081 for (ii = 0; ii < interface_count; ii++) { 1082 pfe_get_gemac_if_proprties(g_pfe, np, ii, interface_count, 1083 &g_pfe->platform_data); 1084 } 1085 1086 pfe_lib_init(g_pfe->cbus_baseaddr, g_pfe->ddr_baseaddr, 1087 g_pfe->ddr_phys_baseaddr, g_pfe->ddr_size); 1088 1089 PFE_PMD_INFO("CLASS version: %x", readl(CLASS_VERSION)); 1090 PFE_PMD_INFO("TMU version: %x", readl(TMU_VERSION)); 1091 1092 PFE_PMD_INFO("BMU1 version: %x", readl(BMU1_BASE_ADDR + BMU_VERSION)); 1093 PFE_PMD_INFO("BMU2 version: %x", readl(BMU2_BASE_ADDR + BMU_VERSION)); 1094 1095 PFE_PMD_INFO("EGPI1 version: %x", readl(EGPI1_BASE_ADDR + GPI_VERSION)); 1096 PFE_PMD_INFO("EGPI2 version: %x", readl(EGPI2_BASE_ADDR + GPI_VERSION)); 1097 PFE_PMD_INFO("HGPI version: %x", readl(HGPI_BASE_ADDR + GPI_VERSION)); 1098 1099 PFE_PMD_INFO("HIF version: %x", readl(HIF_VERSION)); 1100 PFE_PMD_INFO("HIF NOPCY version: %x", readl(HIF_NOCPY_VERSION)); 1101 1102 cbus_emac_base[0] = EMAC1_BASE_ADDR; 1103 cbus_emac_base[1] = EMAC2_BASE_ADDR; 1104 1105 cbus_gpi_base[0] = EGPI1_BASE_ADDR; 1106 cbus_gpi_base[1] = EGPI2_BASE_ADDR; 1107 1108 rc = pfe_hif_lib_init(g_pfe); 1109 if (rc < 0) 1110 goto err_hif_lib; 1111 1112 rc = pfe_hif_init(g_pfe); 1113 if (rc < 0) 1114 goto err_hif; 1115 pfe_soc_version_get(); 1116 eth_init: 1117 if (init_params.gem_id < 0) 1118 gem_id = g_pfe->nb_devs; 1119 else 1120 gem_id = init_params.gem_id; 1121 1122 PFE_PMD_LOG(INFO, "Init pmd_pfe for %s gem-id %d(given =%d)", 1123 name, gem_id, init_params.gem_id); 1124 1125 rc = pfe_eth_init(vdev, g_pfe, gem_id); 1126 if (rc < 0) 1127 goto err_eth; 1128 else 1129 g_pfe->nb_devs++; 1130 1131 return 0; 1132 1133 err_eth: 1134 pfe_hif_exit(g_pfe); 1135 1136 err_hif: 1137 pfe_hif_lib_exit(g_pfe); 1138 1139 err_hif_lib: 1140 err_prop: 1141 munmap(g_pfe->cbus_baseaddr, cbus_size); 1142 err: 1143 rte_free(g_pfe); 1144 return rc; 1145 } 1146 1147 static int 1148 pmd_pfe_remove(struct rte_vdev_device *vdev) 1149 { 1150 const char *name; 1151 struct rte_eth_dev *eth_dev = NULL; 1152 int ret = 0; 1153 1154 name = rte_vdev_device_name(vdev); 1155 if (name == NULL) 1156 return -EINVAL; 1157 1158 PFE_PMD_INFO("Closing eventdev sw device %s", name); 1159 1160 if (!g_pfe) 1161 return 0; 1162 1163 eth_dev = rte_eth_dev_allocated(name); 1164 if (eth_dev) { 1165 pfe_eth_close(eth_dev); 1166 ret = rte_eth_dev_release_port(eth_dev); 1167 } 1168 1169 return ret; 1170 } 1171 1172 static 1173 struct rte_vdev_driver pmd_pfe_drv = { 1174 .probe = pmd_pfe_probe, 1175 .remove = pmd_pfe_remove, 1176 }; 1177 1178 RTE_PMD_REGISTER_VDEV(PFE_NAME_PMD, pmd_pfe_drv); 1179 RTE_PMD_REGISTER_PARAM_STRING(PFE_NAME_PMD, PFE_VDEV_GEM_ID_ARG "=<int> "); 1180 RTE_LOG_REGISTER(pfe_logtype_pmd, pmd.net.pfe, NOTICE); 1181