1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2014-2018 Chelsio Communications. 3 * All rights reserved. 4 */ 5 6 #include <sys/queue.h> 7 #include <stdio.h> 8 #include <errno.h> 9 #include <stdint.h> 10 #include <string.h> 11 #include <unistd.h> 12 #include <stdarg.h> 13 #include <inttypes.h> 14 #include <netinet/in.h> 15 16 #include <rte_byteorder.h> 17 #include <rte_common.h> 18 #include <rte_cycles.h> 19 #include <rte_interrupts.h> 20 #include <rte_log.h> 21 #include <rte_debug.h> 22 #include <rte_pci.h> 23 #include <rte_bus_pci.h> 24 #include <rte_atomic.h> 25 #include <rte_branch_prediction.h> 26 #include <rte_memory.h> 27 #include <rte_tailq.h> 28 #include <rte_eal.h> 29 #include <rte_alarm.h> 30 #include <rte_ether.h> 31 #include <rte_ethdev_driver.h> 32 #include <rte_ethdev_pci.h> 33 #include <rte_malloc.h> 34 #include <rte_random.h> 35 #include <rte_dev.h> 36 37 #include "cxgbe.h" 38 #include "cxgbe_pfvf.h" 39 #include "cxgbe_flow.h" 40 41 /* 42 * Macros needed to support the PCI Device ID Table ... 43 */ 44 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \ 45 static const struct rte_pci_id cxgb4_pci_tbl[] = { 46 #define CH_PCI_DEVICE_ID_FUNCTION 0x4 47 48 #define PCI_VENDOR_ID_CHELSIO 0x1425 49 50 #define CH_PCI_ID_TABLE_ENTRY(devid) \ 51 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) } 52 53 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \ 54 { .vendor_id = 0, } \ 55 } 56 57 /* 58 *... and the PCI ID Table itself ... 59 */ 60 #include "t4_pci_id_tbl.h" 61 62 #define CXGBE_TX_OFFLOADS (DEV_TX_OFFLOAD_VLAN_INSERT |\ 63 DEV_TX_OFFLOAD_IPV4_CKSUM |\ 64 DEV_TX_OFFLOAD_UDP_CKSUM |\ 65 DEV_TX_OFFLOAD_TCP_CKSUM |\ 66 DEV_TX_OFFLOAD_TCP_TSO) 67 68 #define CXGBE_RX_OFFLOADS (DEV_RX_OFFLOAD_VLAN_STRIP |\ 69 DEV_RX_OFFLOAD_CRC_STRIP |\ 70 DEV_RX_OFFLOAD_IPV4_CKSUM |\ 71 DEV_RX_OFFLOAD_JUMBO_FRAME |\ 72 DEV_RX_OFFLOAD_UDP_CKSUM |\ 73 DEV_RX_OFFLOAD_TCP_CKSUM) 74 75 uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 76 uint16_t nb_pkts) 77 { 78 struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue; 79 uint16_t pkts_sent, pkts_remain; 80 uint16_t total_sent = 0; 81 int ret = 0; 82 83 CXGBE_DEBUG_TX(adapter, "%s: txq = %p; tx_pkts = %p; nb_pkts = %d\n", 84 __func__, txq, tx_pkts, nb_pkts); 85 86 t4_os_lock(&txq->txq_lock); 87 /* free up desc from already completed tx */ 88 reclaim_completed_tx(&txq->q); 89 while (total_sent < nb_pkts) { 90 pkts_remain = nb_pkts - total_sent; 91 92 for (pkts_sent = 0; pkts_sent < pkts_remain; pkts_sent++) { 93 ret = t4_eth_xmit(txq, tx_pkts[total_sent + pkts_sent], 94 nb_pkts); 95 if (ret < 0) 96 break; 97 } 98 if (!pkts_sent) 99 break; 100 total_sent += pkts_sent; 101 /* reclaim as much as possible */ 102 reclaim_completed_tx(&txq->q); 103 } 104 105 t4_os_unlock(&txq->txq_lock); 106 return total_sent; 107 } 108 109 uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 110 uint16_t nb_pkts) 111 { 112 struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue; 113 unsigned int work_done; 114 115 CXGBE_DEBUG_RX(adapter, "%s: rxq->rspq.cntxt_id = %u; nb_pkts = %d\n", 116 __func__, rxq->rspq.cntxt_id, nb_pkts); 117 118 if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done)) 119 dev_err(adapter, "error in cxgbe poll\n"); 120 121 CXGBE_DEBUG_RX(adapter, "%s: work_done = %u\n", __func__, work_done); 122 return work_done; 123 } 124 125 void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev, 126 struct rte_eth_dev_info *device_info) 127 { 128 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 129 struct adapter *adapter = pi->adapter; 130 int max_queues = adapter->sge.max_ethqsets / adapter->params.nports; 131 132 static const struct rte_eth_desc_lim cxgbe_desc_lim = { 133 .nb_max = CXGBE_MAX_RING_DESC_SIZE, 134 .nb_min = CXGBE_MIN_RING_DESC_SIZE, 135 .nb_align = 1, 136 }; 137 138 device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE; 139 device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN; 140 device_info->max_rx_queues = max_queues; 141 device_info->max_tx_queues = max_queues; 142 device_info->max_mac_addrs = 1; 143 /* XXX: For now we support one MAC/port */ 144 device_info->max_vfs = adapter->params.arch.vfcount; 145 device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */ 146 147 device_info->rx_queue_offload_capa = 0UL; 148 device_info->rx_offload_capa = CXGBE_RX_OFFLOADS; 149 150 device_info->tx_queue_offload_capa = 0UL; 151 device_info->tx_offload_capa = CXGBE_TX_OFFLOADS; 152 153 device_info->reta_size = pi->rss_size; 154 device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN; 155 device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL; 156 157 device_info->rx_desc_lim = cxgbe_desc_lim; 158 device_info->tx_desc_lim = cxgbe_desc_lim; 159 cxgbe_get_speed_caps(pi, &device_info->speed_capa); 160 } 161 162 void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev) 163 { 164 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 165 struct adapter *adapter = pi->adapter; 166 167 t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, 168 1, -1, 1, -1, false); 169 } 170 171 void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev) 172 { 173 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 174 struct adapter *adapter = pi->adapter; 175 176 t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, 177 0, -1, 1, -1, false); 178 } 179 180 void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev) 181 { 182 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 183 struct adapter *adapter = pi->adapter; 184 185 /* TODO: address filters ?? */ 186 187 t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, 188 -1, 1, 1, -1, false); 189 } 190 191 void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev) 192 { 193 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 194 struct adapter *adapter = pi->adapter; 195 196 /* TODO: address filters ?? */ 197 198 t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1, 199 -1, 0, 1, -1, false); 200 } 201 202 int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev, 203 int wait_to_complete) 204 { 205 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 206 struct adapter *adapter = pi->adapter; 207 struct sge *s = &adapter->sge; 208 struct rte_eth_link new_link = { 0 }; 209 unsigned int i, work_done, budget = 32; 210 u8 old_link = pi->link_cfg.link_ok; 211 212 for (i = 0; i < CXGBE_LINK_STATUS_POLL_CNT; i++) { 213 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done); 214 215 /* Exit if link status changed or always forced up */ 216 if (pi->link_cfg.link_ok != old_link || force_linkup(adapter)) 217 break; 218 219 if (!wait_to_complete) 220 break; 221 222 rte_delay_ms(CXGBE_LINK_STATUS_POLL_MS); 223 } 224 225 new_link.link_status = force_linkup(adapter) ? 226 ETH_LINK_UP : pi->link_cfg.link_ok; 227 new_link.link_autoneg = pi->link_cfg.autoneg; 228 new_link.link_duplex = ETH_LINK_FULL_DUPLEX; 229 new_link.link_speed = pi->link_cfg.speed; 230 231 return rte_eth_linkstatus_set(eth_dev, &new_link); 232 } 233 234 /** 235 * Set device link up. 236 */ 237 int cxgbe_dev_set_link_up(struct rte_eth_dev *dev) 238 { 239 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 240 struct adapter *adapter = pi->adapter; 241 unsigned int work_done, budget = 32; 242 struct sge *s = &adapter->sge; 243 int ret; 244 245 /* Flush all link events */ 246 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done); 247 248 /* If link already up, nothing to do */ 249 if (pi->link_cfg.link_ok) 250 return 0; 251 252 ret = cxgbe_set_link_status(pi, true); 253 if (ret) 254 return ret; 255 256 cxgbe_dev_link_update(dev, 1); 257 return 0; 258 } 259 260 /** 261 * Set device link down. 262 */ 263 int cxgbe_dev_set_link_down(struct rte_eth_dev *dev) 264 { 265 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 266 struct adapter *adapter = pi->adapter; 267 unsigned int work_done, budget = 32; 268 struct sge *s = &adapter->sge; 269 int ret; 270 271 /* Flush all link events */ 272 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done); 273 274 /* If link already down, nothing to do */ 275 if (!pi->link_cfg.link_ok) 276 return 0; 277 278 ret = cxgbe_set_link_status(pi, false); 279 if (ret) 280 return ret; 281 282 cxgbe_dev_link_update(dev, 0); 283 return 0; 284 } 285 286 int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) 287 { 288 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 289 struct adapter *adapter = pi->adapter; 290 struct rte_eth_dev_info dev_info; 291 int err; 292 uint16_t new_mtu = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 293 294 cxgbe_dev_info_get(eth_dev, &dev_info); 295 296 /* Must accommodate at least ETHER_MIN_MTU */ 297 if ((new_mtu < ETHER_MIN_MTU) || (new_mtu > dev_info.max_rx_pktlen)) 298 return -EINVAL; 299 300 /* set to jumbo mode if needed */ 301 if (new_mtu > ETHER_MAX_LEN) 302 eth_dev->data->dev_conf.rxmode.offloads |= 303 DEV_RX_OFFLOAD_JUMBO_FRAME; 304 else 305 eth_dev->data->dev_conf.rxmode.offloads &= 306 ~DEV_RX_OFFLOAD_JUMBO_FRAME; 307 308 err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1, 309 -1, -1, true); 310 if (!err) 311 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu; 312 313 return err; 314 } 315 316 /* 317 * Stop device. 318 */ 319 void cxgbe_dev_close(struct rte_eth_dev *eth_dev) 320 { 321 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 322 struct adapter *adapter = pi->adapter; 323 324 CXGBE_FUNC_TRACE(); 325 326 if (!(adapter->flags & FULL_INIT_DONE)) 327 return; 328 329 cxgbe_down(pi); 330 331 /* 332 * We clear queues only if both tx and rx path of the port 333 * have been disabled 334 */ 335 t4_sge_eth_clear_queues(pi); 336 } 337 338 /* Start the device. 339 * It returns 0 on success. 340 */ 341 int cxgbe_dev_start(struct rte_eth_dev *eth_dev) 342 { 343 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 344 struct adapter *adapter = pi->adapter; 345 int err = 0, i; 346 347 CXGBE_FUNC_TRACE(); 348 349 /* 350 * If we don't have a connection to the firmware there's nothing we 351 * can do. 352 */ 353 if (!(adapter->flags & FW_OK)) { 354 err = -ENXIO; 355 goto out; 356 } 357 358 if (!(adapter->flags & FULL_INIT_DONE)) { 359 err = cxgbe_up(adapter); 360 if (err < 0) 361 goto out; 362 } 363 364 cxgbe_enable_rx_queues(pi); 365 366 err = setup_rss(pi); 367 if (err) 368 goto out; 369 370 for (i = 0; i < pi->n_tx_qsets; i++) { 371 err = cxgbe_dev_tx_queue_start(eth_dev, i); 372 if (err) 373 goto out; 374 } 375 376 for (i = 0; i < pi->n_rx_qsets; i++) { 377 err = cxgbe_dev_rx_queue_start(eth_dev, i); 378 if (err) 379 goto out; 380 } 381 382 err = link_start(pi); 383 if (err) 384 goto out; 385 386 out: 387 return err; 388 } 389 390 /* 391 * Stop device: disable rx and tx functions to allow for reconfiguring. 392 */ 393 void cxgbe_dev_stop(struct rte_eth_dev *eth_dev) 394 { 395 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 396 struct adapter *adapter = pi->adapter; 397 398 CXGBE_FUNC_TRACE(); 399 400 if (!(adapter->flags & FULL_INIT_DONE)) 401 return; 402 403 cxgbe_down(pi); 404 405 /* 406 * We clear queues only if both tx and rx path of the port 407 * have been disabled 408 */ 409 t4_sge_eth_clear_queues(pi); 410 } 411 412 int cxgbe_dev_configure(struct rte_eth_dev *eth_dev) 413 { 414 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 415 struct adapter *adapter = pi->adapter; 416 uint64_t configured_offloads; 417 int err; 418 419 CXGBE_FUNC_TRACE(); 420 configured_offloads = eth_dev->data->dev_conf.rxmode.offloads; 421 422 /* KEEP_CRC offload flag is not supported by PMD 423 * can remove the below block when DEV_RX_OFFLOAD_CRC_STRIP removed 424 */ 425 if (rte_eth_dev_must_keep_crc(configured_offloads)) { 426 dev_info(adapter, "can't disable hw crc strip\n"); 427 eth_dev->data->dev_conf.rxmode.offloads |= 428 DEV_RX_OFFLOAD_CRC_STRIP; 429 } 430 431 if (!(adapter->flags & FW_QUEUE_BOUND)) { 432 err = setup_sge_fwevtq(adapter); 433 if (err) 434 return err; 435 adapter->flags |= FW_QUEUE_BOUND; 436 if (is_pf4(adapter)) { 437 err = setup_sge_ctrl_txq(adapter); 438 if (err) 439 return err; 440 } 441 } 442 443 err = cfg_queue_count(eth_dev); 444 if (err) 445 return err; 446 447 return 0; 448 } 449 450 int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id) 451 { 452 int ret; 453 struct sge_eth_txq *txq = (struct sge_eth_txq *) 454 (eth_dev->data->tx_queues[tx_queue_id]); 455 456 dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id); 457 458 ret = t4_sge_eth_txq_start(txq); 459 if (ret == 0) 460 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; 461 462 return ret; 463 } 464 465 int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id) 466 { 467 int ret; 468 struct sge_eth_txq *txq = (struct sge_eth_txq *) 469 (eth_dev->data->tx_queues[tx_queue_id]); 470 471 dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id); 472 473 ret = t4_sge_eth_txq_stop(txq); 474 if (ret == 0) 475 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; 476 477 return ret; 478 } 479 480 int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, 481 uint16_t queue_idx, uint16_t nb_desc, 482 unsigned int socket_id, 483 const struct rte_eth_txconf *tx_conf __rte_unused) 484 { 485 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 486 struct adapter *adapter = pi->adapter; 487 struct sge *s = &adapter->sge; 488 struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset + queue_idx]; 489 int err = 0; 490 unsigned int temp_nb_desc; 491 492 dev_debug(adapter, "%s: eth_dev->data->nb_tx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; pi->first_qset = %u\n", 493 __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc, 494 socket_id, pi->first_qset); 495 496 /* Free up the existing queue */ 497 if (eth_dev->data->tx_queues[queue_idx]) { 498 cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]); 499 eth_dev->data->tx_queues[queue_idx] = NULL; 500 } 501 502 eth_dev->data->tx_queues[queue_idx] = (void *)txq; 503 504 /* Sanity Checking 505 * 506 * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE 507 */ 508 temp_nb_desc = nb_desc; 509 if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) { 510 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n", 511 __func__, CXGBE_MIN_RING_DESC_SIZE, 512 CXGBE_DEFAULT_TX_DESC_SIZE); 513 temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE; 514 } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) { 515 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n", 516 __func__, CXGBE_MIN_RING_DESC_SIZE, 517 CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE); 518 return -(EINVAL); 519 } 520 521 txq->q.size = temp_nb_desc; 522 523 err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx, 524 s->fw_evtq.cntxt_id, socket_id); 525 526 dev_debug(adapter, "%s: txq->q.cntxt_id= %u txq->q.abs_id= %u err = %d\n", 527 __func__, txq->q.cntxt_id, txq->q.abs_id, err); 528 return err; 529 } 530 531 void cxgbe_dev_tx_queue_release(void *q) 532 { 533 struct sge_eth_txq *txq = (struct sge_eth_txq *)q; 534 535 if (txq) { 536 struct port_info *pi = (struct port_info *) 537 (txq->eth_dev->data->dev_private); 538 struct adapter *adap = pi->adapter; 539 540 dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n", 541 __func__, pi->port_id, txq->q.cntxt_id); 542 543 t4_sge_eth_txq_release(adap, txq); 544 } 545 } 546 547 int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id) 548 { 549 int ret; 550 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 551 struct adapter *adap = pi->adapter; 552 struct sge_rspq *q; 553 554 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n", 555 __func__, pi->port_id, rx_queue_id); 556 557 q = eth_dev->data->rx_queues[rx_queue_id]; 558 559 ret = t4_sge_eth_rxq_start(adap, q); 560 if (ret == 0) 561 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; 562 563 return ret; 564 } 565 566 int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id) 567 { 568 int ret; 569 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 570 struct adapter *adap = pi->adapter; 571 struct sge_rspq *q; 572 573 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n", 574 __func__, pi->port_id, rx_queue_id); 575 576 q = eth_dev->data->rx_queues[rx_queue_id]; 577 ret = t4_sge_eth_rxq_stop(adap, q); 578 if (ret == 0) 579 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; 580 581 return ret; 582 } 583 584 int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, 585 uint16_t queue_idx, uint16_t nb_desc, 586 unsigned int socket_id, 587 const struct rte_eth_rxconf *rx_conf __rte_unused, 588 struct rte_mempool *mp) 589 { 590 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 591 struct adapter *adapter = pi->adapter; 592 struct sge *s = &adapter->sge; 593 struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset + queue_idx]; 594 int err = 0; 595 int msi_idx = 0; 596 unsigned int temp_nb_desc; 597 struct rte_eth_dev_info dev_info; 598 unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len; 599 600 dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n", 601 __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc, 602 socket_id, mp); 603 604 cxgbe_dev_info_get(eth_dev, &dev_info); 605 606 /* Must accommodate at least ETHER_MIN_MTU */ 607 if ((pkt_len < dev_info.min_rx_bufsize) || 608 (pkt_len > dev_info.max_rx_pktlen)) { 609 dev_err(adap, "%s: max pkt len must be > %d and <= %d\n", 610 __func__, dev_info.min_rx_bufsize, 611 dev_info.max_rx_pktlen); 612 return -EINVAL; 613 } 614 615 /* Free up the existing queue */ 616 if (eth_dev->data->rx_queues[queue_idx]) { 617 cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]); 618 eth_dev->data->rx_queues[queue_idx] = NULL; 619 } 620 621 eth_dev->data->rx_queues[queue_idx] = (void *)rxq; 622 623 /* Sanity Checking 624 * 625 * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE 626 */ 627 temp_nb_desc = nb_desc; 628 if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) { 629 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n", 630 __func__, CXGBE_MIN_RING_DESC_SIZE, 631 CXGBE_DEFAULT_RX_DESC_SIZE); 632 temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE; 633 } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) { 634 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n", 635 __func__, CXGBE_MIN_RING_DESC_SIZE, 636 CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE); 637 return -(EINVAL); 638 } 639 640 rxq->rspq.size = temp_nb_desc; 641 if ((&rxq->fl) != NULL) 642 rxq->fl.size = temp_nb_desc; 643 644 /* Set to jumbo mode if necessary */ 645 if (pkt_len > ETHER_MAX_LEN) 646 eth_dev->data->dev_conf.rxmode.offloads |= 647 DEV_RX_OFFLOAD_JUMBO_FRAME; 648 else 649 eth_dev->data->dev_conf.rxmode.offloads &= 650 ~DEV_RX_OFFLOAD_JUMBO_FRAME; 651 652 err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx, 653 &rxq->fl, t4_ethrx_handler, 654 is_pf4(adapter) ? 655 t4_get_tp_ch_map(adapter, pi->tx_chan) : 0, mp, 656 queue_idx, socket_id); 657 658 dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u; abs_id = %u\n", 659 __func__, err, pi->port_id, rxq->rspq.cntxt_id, 660 rxq->rspq.abs_id); 661 return err; 662 } 663 664 void cxgbe_dev_rx_queue_release(void *q) 665 { 666 struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q; 667 struct sge_rspq *rq = &rxq->rspq; 668 669 if (rq) { 670 struct port_info *pi = (struct port_info *) 671 (rq->eth_dev->data->dev_private); 672 struct adapter *adap = pi->adapter; 673 674 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n", 675 __func__, pi->port_id, rxq->rspq.cntxt_id); 676 677 t4_sge_eth_rxq_release(adap, rxq); 678 } 679 } 680 681 /* 682 * Get port statistics. 683 */ 684 static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev, 685 struct rte_eth_stats *eth_stats) 686 { 687 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 688 struct adapter *adapter = pi->adapter; 689 struct sge *s = &adapter->sge; 690 struct port_stats ps; 691 unsigned int i; 692 693 cxgbe_stats_get(pi, &ps); 694 695 /* RX Stats */ 696 eth_stats->imissed = ps.rx_ovflow0 + ps.rx_ovflow1 + 697 ps.rx_ovflow2 + ps.rx_ovflow3 + 698 ps.rx_trunc0 + ps.rx_trunc1 + 699 ps.rx_trunc2 + ps.rx_trunc3; 700 eth_stats->ierrors = ps.rx_symbol_err + ps.rx_fcs_err + 701 ps.rx_jabber + ps.rx_too_long + ps.rx_runt + 702 ps.rx_len_err; 703 704 /* TX Stats */ 705 eth_stats->opackets = ps.tx_frames; 706 eth_stats->obytes = ps.tx_octets; 707 eth_stats->oerrors = ps.tx_error_frames; 708 709 for (i = 0; i < pi->n_rx_qsets; i++) { 710 struct sge_eth_rxq *rxq = 711 &s->ethrxq[pi->first_qset + i]; 712 713 eth_stats->q_ipackets[i] = rxq->stats.pkts; 714 eth_stats->q_ibytes[i] = rxq->stats.rx_bytes; 715 eth_stats->ipackets += eth_stats->q_ipackets[i]; 716 eth_stats->ibytes += eth_stats->q_ibytes[i]; 717 } 718 719 for (i = 0; i < pi->n_tx_qsets; i++) { 720 struct sge_eth_txq *txq = 721 &s->ethtxq[pi->first_qset + i]; 722 723 eth_stats->q_opackets[i] = txq->stats.pkts; 724 eth_stats->q_obytes[i] = txq->stats.tx_bytes; 725 eth_stats->q_errors[i] = txq->stats.mapping_err; 726 } 727 return 0; 728 } 729 730 /* 731 * Reset port statistics. 732 */ 733 static void cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev) 734 { 735 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 736 struct adapter *adapter = pi->adapter; 737 struct sge *s = &adapter->sge; 738 unsigned int i; 739 740 cxgbe_stats_reset(pi); 741 for (i = 0; i < pi->n_rx_qsets; i++) { 742 struct sge_eth_rxq *rxq = 743 &s->ethrxq[pi->first_qset + i]; 744 745 rxq->stats.pkts = 0; 746 rxq->stats.rx_bytes = 0; 747 } 748 for (i = 0; i < pi->n_tx_qsets; i++) { 749 struct sge_eth_txq *txq = 750 &s->ethtxq[pi->first_qset + i]; 751 752 txq->stats.pkts = 0; 753 txq->stats.tx_bytes = 0; 754 txq->stats.mapping_err = 0; 755 } 756 } 757 758 static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev, 759 struct rte_eth_fc_conf *fc_conf) 760 { 761 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 762 struct link_config *lc = &pi->link_cfg; 763 int rx_pause, tx_pause; 764 765 fc_conf->autoneg = lc->fc & PAUSE_AUTONEG; 766 rx_pause = lc->fc & PAUSE_RX; 767 tx_pause = lc->fc & PAUSE_TX; 768 769 if (rx_pause && tx_pause) 770 fc_conf->mode = RTE_FC_FULL; 771 else if (rx_pause) 772 fc_conf->mode = RTE_FC_RX_PAUSE; 773 else if (tx_pause) 774 fc_conf->mode = RTE_FC_TX_PAUSE; 775 else 776 fc_conf->mode = RTE_FC_NONE; 777 return 0; 778 } 779 780 static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev, 781 struct rte_eth_fc_conf *fc_conf) 782 { 783 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 784 struct adapter *adapter = pi->adapter; 785 struct link_config *lc = &pi->link_cfg; 786 787 if (lc->pcaps & FW_PORT_CAP32_ANEG) { 788 if (fc_conf->autoneg) 789 lc->requested_fc |= PAUSE_AUTONEG; 790 else 791 lc->requested_fc &= ~PAUSE_AUTONEG; 792 } 793 794 if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) || 795 (fc_conf->mode & RTE_FC_RX_PAUSE)) 796 lc->requested_fc |= PAUSE_RX; 797 else 798 lc->requested_fc &= ~PAUSE_RX; 799 800 if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) || 801 (fc_conf->mode & RTE_FC_TX_PAUSE)) 802 lc->requested_fc |= PAUSE_TX; 803 else 804 lc->requested_fc &= ~PAUSE_TX; 805 806 return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan, 807 &pi->link_cfg); 808 } 809 810 const uint32_t * 811 cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev) 812 { 813 static const uint32_t ptypes[] = { 814 RTE_PTYPE_L3_IPV4, 815 RTE_PTYPE_L3_IPV6, 816 RTE_PTYPE_UNKNOWN 817 }; 818 819 if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts) 820 return ptypes; 821 return NULL; 822 } 823 824 /* Update RSS hash configuration 825 */ 826 static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev, 827 struct rte_eth_rss_conf *rss_conf) 828 { 829 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 830 struct adapter *adapter = pi->adapter; 831 int err; 832 833 err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf); 834 if (err) 835 return err; 836 837 pi->rss_hf = rss_conf->rss_hf; 838 839 if (rss_conf->rss_key) { 840 u32 key[10], mod_key[10]; 841 int i, j; 842 843 memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN); 844 845 for (i = 9, j = 0; i >= 0; i--, j++) 846 mod_key[j] = cpu_to_be32(key[i]); 847 848 t4_write_rss_key(adapter, mod_key, -1); 849 } 850 851 return 0; 852 } 853 854 /* Get RSS hash configuration 855 */ 856 static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 857 struct rte_eth_rss_conf *rss_conf) 858 { 859 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 860 struct adapter *adapter = pi->adapter; 861 u64 rss_hf = 0; 862 u64 flags = 0; 863 int err; 864 865 err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid, 866 &flags, NULL); 867 868 if (err) 869 return err; 870 871 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) { 872 rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK; 873 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN) 874 rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK; 875 } 876 877 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) 878 rss_hf |= CXGBE_RSS_HF_IPV6_MASK; 879 880 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) { 881 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP; 882 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN) 883 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP; 884 } 885 886 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) 887 rss_hf |= CXGBE_RSS_HF_IPV4_MASK; 888 889 rss_conf->rss_hf = rss_hf; 890 891 if (rss_conf->rss_key) { 892 u32 key[10], mod_key[10]; 893 int i, j; 894 895 t4_read_rss_key(adapter, key); 896 897 for (i = 9, j = 0; i >= 0; i--, j++) 898 mod_key[j] = be32_to_cpu(key[i]); 899 900 memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN); 901 } 902 903 return 0; 904 } 905 906 static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev) 907 { 908 RTE_SET_USED(dev); 909 return EEPROMSIZE; 910 } 911 912 /** 913 * eeprom_ptov - translate a physical EEPROM address to virtual 914 * @phys_addr: the physical EEPROM address 915 * @fn: the PCI function number 916 * @sz: size of function-specific area 917 * 918 * Translate a physical EEPROM address to virtual. The first 1K is 919 * accessed through virtual addresses starting at 31K, the rest is 920 * accessed through virtual addresses starting at 0. 921 * 922 * The mapping is as follows: 923 * [0..1K) -> [31K..32K) 924 * [1K..1K+A) -> [31K-A..31K) 925 * [1K+A..ES) -> [0..ES-A-1K) 926 * 927 * where A = @fn * @sz, and ES = EEPROM size. 928 */ 929 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz) 930 { 931 fn *= sz; 932 if (phys_addr < 1024) 933 return phys_addr + (31 << 10); 934 if (phys_addr < 1024 + fn) 935 return fn + phys_addr - 1024; 936 if (phys_addr < EEPROMSIZE) 937 return phys_addr - 1024 - fn; 938 if (phys_addr < EEPROMVSIZE) 939 return phys_addr - 1024; 940 return -EINVAL; 941 } 942 943 /* The next two routines implement eeprom read/write from physical addresses. 944 */ 945 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v) 946 { 947 int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); 948 949 if (vaddr >= 0) 950 vaddr = t4_seeprom_read(adap, vaddr, v); 951 return vaddr < 0 ? vaddr : 0; 952 } 953 954 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v) 955 { 956 int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); 957 958 if (vaddr >= 0) 959 vaddr = t4_seeprom_write(adap, vaddr, v); 960 return vaddr < 0 ? vaddr : 0; 961 } 962 963 #define EEPROM_MAGIC 0x38E2F10C 964 965 static int cxgbe_get_eeprom(struct rte_eth_dev *dev, 966 struct rte_dev_eeprom_info *e) 967 { 968 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 969 struct adapter *adapter = pi->adapter; 970 u32 i, err = 0; 971 u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0); 972 973 if (!buf) 974 return -ENOMEM; 975 976 e->magic = EEPROM_MAGIC; 977 for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4) 978 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]); 979 980 if (!err) 981 rte_memcpy(e->data, buf + e->offset, e->length); 982 rte_free(buf); 983 return err; 984 } 985 986 static int cxgbe_set_eeprom(struct rte_eth_dev *dev, 987 struct rte_dev_eeprom_info *eeprom) 988 { 989 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 990 struct adapter *adapter = pi->adapter; 991 u8 *buf; 992 int err = 0; 993 u32 aligned_offset, aligned_len, *p; 994 995 if (eeprom->magic != EEPROM_MAGIC) 996 return -EINVAL; 997 998 aligned_offset = eeprom->offset & ~3; 999 aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3; 1000 1001 if (adapter->pf > 0) { 1002 u32 start = 1024 + adapter->pf * EEPROMPFSIZE; 1003 1004 if (aligned_offset < start || 1005 aligned_offset + aligned_len > start + EEPROMPFSIZE) 1006 return -EPERM; 1007 } 1008 1009 if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) { 1010 /* RMW possibly needed for first or last words. 1011 */ 1012 buf = rte_zmalloc(NULL, aligned_len, 0); 1013 if (!buf) 1014 return -ENOMEM; 1015 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf); 1016 if (!err && aligned_len > 4) 1017 err = eeprom_rd_phys(adapter, 1018 aligned_offset + aligned_len - 4, 1019 (u32 *)&buf[aligned_len - 4]); 1020 if (err) 1021 goto out; 1022 rte_memcpy(buf + (eeprom->offset & 3), eeprom->data, 1023 eeprom->length); 1024 } else { 1025 buf = eeprom->data; 1026 } 1027 1028 err = t4_seeprom_wp(adapter, false); 1029 if (err) 1030 goto out; 1031 1032 for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) { 1033 err = eeprom_wr_phys(adapter, aligned_offset, *p); 1034 aligned_offset += 4; 1035 } 1036 1037 if (!err) 1038 err = t4_seeprom_wp(adapter, true); 1039 out: 1040 if (buf != eeprom->data) 1041 rte_free(buf); 1042 return err; 1043 } 1044 1045 static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev) 1046 { 1047 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 1048 struct adapter *adapter = pi->adapter; 1049 1050 return t4_get_regs_len(adapter) / sizeof(uint32_t); 1051 } 1052 1053 static int cxgbe_get_regs(struct rte_eth_dev *eth_dev, 1054 struct rte_dev_reg_info *regs) 1055 { 1056 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 1057 struct adapter *adapter = pi->adapter; 1058 1059 regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) | 1060 (CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) | 1061 (1 << 16); 1062 1063 if (regs->data == NULL) { 1064 regs->length = cxgbe_get_regs_len(eth_dev); 1065 regs->width = sizeof(uint32_t); 1066 1067 return 0; 1068 } 1069 1070 t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t))); 1071 1072 return 0; 1073 } 1074 1075 int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *addr) 1076 { 1077 struct port_info *pi = (struct port_info *)(dev->data->dev_private); 1078 struct adapter *adapter = pi->adapter; 1079 int ret; 1080 1081 ret = t4_change_mac(adapter, adapter->mbox, pi->viid, 1082 pi->xact_addr_filt, (u8 *)addr, true, true); 1083 if (ret < 0) { 1084 dev_err(adapter, "failed to set mac addr; err = %d\n", 1085 ret); 1086 return ret; 1087 } 1088 pi->xact_addr_filt = ret; 1089 return 0; 1090 } 1091 1092 static const struct eth_dev_ops cxgbe_eth_dev_ops = { 1093 .dev_start = cxgbe_dev_start, 1094 .dev_stop = cxgbe_dev_stop, 1095 .dev_close = cxgbe_dev_close, 1096 .promiscuous_enable = cxgbe_dev_promiscuous_enable, 1097 .promiscuous_disable = cxgbe_dev_promiscuous_disable, 1098 .allmulticast_enable = cxgbe_dev_allmulticast_enable, 1099 .allmulticast_disable = cxgbe_dev_allmulticast_disable, 1100 .dev_configure = cxgbe_dev_configure, 1101 .dev_infos_get = cxgbe_dev_info_get, 1102 .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get, 1103 .link_update = cxgbe_dev_link_update, 1104 .dev_set_link_up = cxgbe_dev_set_link_up, 1105 .dev_set_link_down = cxgbe_dev_set_link_down, 1106 .mtu_set = cxgbe_dev_mtu_set, 1107 .tx_queue_setup = cxgbe_dev_tx_queue_setup, 1108 .tx_queue_start = cxgbe_dev_tx_queue_start, 1109 .tx_queue_stop = cxgbe_dev_tx_queue_stop, 1110 .tx_queue_release = cxgbe_dev_tx_queue_release, 1111 .rx_queue_setup = cxgbe_dev_rx_queue_setup, 1112 .rx_queue_start = cxgbe_dev_rx_queue_start, 1113 .rx_queue_stop = cxgbe_dev_rx_queue_stop, 1114 .rx_queue_release = cxgbe_dev_rx_queue_release, 1115 .filter_ctrl = cxgbe_dev_filter_ctrl, 1116 .stats_get = cxgbe_dev_stats_get, 1117 .stats_reset = cxgbe_dev_stats_reset, 1118 .flow_ctrl_get = cxgbe_flow_ctrl_get, 1119 .flow_ctrl_set = cxgbe_flow_ctrl_set, 1120 .get_eeprom_length = cxgbe_get_eeprom_length, 1121 .get_eeprom = cxgbe_get_eeprom, 1122 .set_eeprom = cxgbe_set_eeprom, 1123 .get_reg = cxgbe_get_regs, 1124 .rss_hash_update = cxgbe_dev_rss_hash_update, 1125 .rss_hash_conf_get = cxgbe_dev_rss_hash_conf_get, 1126 .mac_addr_set = cxgbe_mac_addr_set, 1127 }; 1128 1129 /* 1130 * Initialize driver 1131 * It returns 0 on success. 1132 */ 1133 static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev) 1134 { 1135 struct rte_pci_device *pci_dev; 1136 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 1137 struct adapter *adapter = NULL; 1138 char name[RTE_ETH_NAME_MAX_LEN]; 1139 int err = 0; 1140 1141 CXGBE_FUNC_TRACE(); 1142 1143 eth_dev->dev_ops = &cxgbe_eth_dev_ops; 1144 eth_dev->rx_pkt_burst = &cxgbe_recv_pkts; 1145 eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts; 1146 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 1147 1148 /* for secondary processes, we attach to ethdevs allocated by primary 1149 * and do minimal initialization. 1150 */ 1151 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1152 int i; 1153 1154 for (i = 1; i < MAX_NPORTS; i++) { 1155 struct rte_eth_dev *rest_eth_dev; 1156 char namei[RTE_ETH_NAME_MAX_LEN]; 1157 1158 snprintf(namei, sizeof(namei), "%s_%d", 1159 pci_dev->device.name, i); 1160 rest_eth_dev = rte_eth_dev_attach_secondary(namei); 1161 if (rest_eth_dev) { 1162 rest_eth_dev->device = &pci_dev->device; 1163 rest_eth_dev->dev_ops = 1164 eth_dev->dev_ops; 1165 rest_eth_dev->rx_pkt_burst = 1166 eth_dev->rx_pkt_burst; 1167 rest_eth_dev->tx_pkt_burst = 1168 eth_dev->tx_pkt_burst; 1169 rte_eth_dev_probing_finish(rest_eth_dev); 1170 } 1171 } 1172 return 0; 1173 } 1174 1175 snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id); 1176 adapter = rte_zmalloc(name, sizeof(*adapter), 0); 1177 if (!adapter) 1178 return -1; 1179 1180 adapter->use_unpacked_mode = 1; 1181 adapter->regs = (void *)pci_dev->mem_resource[0].addr; 1182 if (!adapter->regs) { 1183 dev_err(adapter, "%s: cannot map device registers\n", __func__); 1184 err = -ENOMEM; 1185 goto out_free_adapter; 1186 } 1187 adapter->pdev = pci_dev; 1188 adapter->eth_dev = eth_dev; 1189 pi->adapter = adapter; 1190 1191 err = cxgbe_probe(adapter); 1192 if (err) { 1193 dev_err(adapter, "%s: cxgbe probe failed with err %d\n", 1194 __func__, err); 1195 goto out_free_adapter; 1196 } 1197 1198 return 0; 1199 1200 out_free_adapter: 1201 rte_free(adapter); 1202 return err; 1203 } 1204 1205 static int eth_cxgbe_dev_uninit(struct rte_eth_dev *eth_dev) 1206 { 1207 struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); 1208 struct adapter *adap = pi->adapter; 1209 1210 /* Free up other ports and all resources */ 1211 cxgbe_close(adap); 1212 return 0; 1213 } 1214 1215 static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 1216 struct rte_pci_device *pci_dev) 1217 { 1218 return rte_eth_dev_pci_generic_probe(pci_dev, 1219 sizeof(struct port_info), eth_cxgbe_dev_init); 1220 } 1221 1222 static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev) 1223 { 1224 return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbe_dev_uninit); 1225 } 1226 1227 static struct rte_pci_driver rte_cxgbe_pmd = { 1228 .id_table = cxgb4_pci_tbl, 1229 .drv_flags = RTE_PCI_DRV_NEED_MAPPING, 1230 .probe = eth_cxgbe_pci_probe, 1231 .remove = eth_cxgbe_pci_remove, 1232 }; 1233 1234 RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd); 1235 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl); 1236 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci"); 1237 RTE_PMD_REGISTER_PARAM_STRING(net_cxgbe, 1238 CXGBE_DEVARG_KEEP_OVLAN "=<0|1> " 1239 CXGBE_DEVARG_FORCE_LINK_UP "=<0|1> "); 1240