1 /* 2 * BSD LICENSE 3 * 4 * Copyright(c) 2017 Cavium, Inc.. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Cavium, Inc. nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /*$FreeBSD$*/ 34 35 #include "lio_bsd.h" 36 #include "lio_common.h" 37 38 #include "lio_droq.h" 39 #include "lio_iq.h" 40 #include "lio_response_manager.h" 41 #include "lio_device.h" 42 #include "lio_ctrl.h" 43 #include "lio_main.h" 44 #include "lio_network.h" 45 #include "cn23xx_pf_device.h" 46 #include "lio_image.h" 47 #include "lio_ioctl.h" 48 #include "lio_rxtx.h" 49 #include "lio_rss.h" 50 51 /* Number of milliseconds to wait for DDR initialization */ 52 #define LIO_DDR_TIMEOUT 10000 53 #define LIO_MAX_FW_TYPE_LEN 8 54 55 static char fw_type[LIO_MAX_FW_TYPE_LEN]; 56 TUNABLE_STR("hw.lio.fw_type", fw_type, sizeof(fw_type)); 57 58 /* 59 * Integers that specify number of queues per PF. 60 * Valid range is 0 to 64. 61 * Use 0 to derive from CPU count. 62 */ 63 static int num_queues_per_pf0; 64 static int num_queues_per_pf1; 65 TUNABLE_INT("hw.lio.num_queues_per_pf0", &num_queues_per_pf0); 66 TUNABLE_INT("hw.lio.num_queues_per_pf1", &num_queues_per_pf1); 67 68 #ifdef RSS 69 static int lio_rss = 1; 70 TUNABLE_INT("hw.lio.rss", &lio_rss); 71 #endif /* RSS */ 72 73 /* Hardware LRO */ 74 unsigned int lio_hwlro = 0; 75 TUNABLE_INT("hw.lio.hwlro", &lio_hwlro); 76 77 /* 78 * Bitmask indicating which consoles have debug 79 * output redirected to syslog. 80 */ 81 static unsigned long console_bitmask; 82 TUNABLE_ULONG("hw.lio.console_bitmask", &console_bitmask); 83 84 /* 85 * \brief determines if a given console has debug enabled. 86 * @param console console to check 87 * @returns 1 = enabled. 0 otherwise 88 */ 89 int 90 lio_console_debug_enabled(uint32_t console) 91 { 92 93 return (console_bitmask >> (console)) & 0x1; 94 } 95 96 static int lio_detach(device_t dev); 97 98 static int lio_device_init(struct octeon_device *octeon_dev); 99 static int lio_chip_specific_setup(struct octeon_device *oct); 100 static void lio_watchdog(void *param); 101 static int lio_load_firmware(struct octeon_device *oct); 102 static int lio_nic_starter(struct octeon_device *oct); 103 static int lio_init_nic_module(struct octeon_device *oct); 104 static int lio_setup_nic_devices(struct octeon_device *octeon_dev); 105 static int lio_link_info(struct lio_recv_info *recv_info, void *ptr); 106 static void lio_if_cfg_callback(struct octeon_device *oct, uint32_t status, 107 void *buf); 108 static int lio_set_rxcsum_command(struct ifnet *ifp, int command, 109 uint8_t rx_cmd); 110 static int lio_setup_glists(struct octeon_device *oct, struct lio *lio, 111 int num_iqs); 112 static void lio_destroy_nic_device(struct octeon_device *oct, int ifidx); 113 static inline void lio_update_link_status(struct ifnet *ifp, 114 union octeon_link_status *ls); 115 static void lio_send_rx_ctrl_cmd(struct lio *lio, int start_stop); 116 static int lio_stop_nic_module(struct octeon_device *oct); 117 static void lio_destroy_resources(struct octeon_device *oct); 118 static int lio_setup_rx_oom_poll_fn(struct ifnet *ifp); 119 120 static void lio_vlan_rx_add_vid(void *arg, struct ifnet *ifp, uint16_t vid); 121 static void lio_vlan_rx_kill_vid(void *arg, struct ifnet *ifp, 122 uint16_t vid); 123 static struct octeon_device * 124 lio_get_other_octeon_device(struct octeon_device *oct); 125 126 static int lio_wait_for_oq_pkts(struct octeon_device *oct); 127 128 int lio_send_rss_param(struct lio *lio); 129 static int lio_dbg_console_print(struct octeon_device *oct, 130 uint32_t console_num, char *prefix, 131 char *suffix); 132 133 /* Polling interval for determining when NIC application is alive */ 134 #define LIO_STARTER_POLL_INTERVAL_MS 100 135 136 /* 137 * vendor_info_array. 138 * This array contains the list of IDs on which the driver should load. 139 */ 140 struct lio_vendor_info { 141 uint16_t vendor_id; 142 uint16_t device_id; 143 uint16_t subdevice_id; 144 uint8_t revision_id; 145 uint8_t index; 146 }; 147 148 static struct lio_vendor_info lio_pci_tbl[] = { 149 /* CN2350 10G */ 150 {PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2350_10G_SUBDEVICE, 151 0x02, 0}, 152 153 /* CN2350 10G */ 154 {PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2350_10G_SUBDEVICE1, 155 0x02, 0}, 156 157 /* CN2360 10G */ 158 {PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2360_10G_SUBDEVICE, 159 0x02, 1}, 160 161 /* CN2350 25G */ 162 {PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2350_25G_SUBDEVICE, 163 0x02, 2}, 164 165 /* CN2360 25G */ 166 {PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2360_25G_SUBDEVICE, 167 0x02, 3}, 168 169 {0, 0, 0, 0, 0} 170 }; 171 172 static char *lio_strings[] = { 173 "LiquidIO 2350 10GbE Server Adapter", 174 "LiquidIO 2360 10GbE Server Adapter", 175 "LiquidIO 2350 25GbE Server Adapter", 176 "LiquidIO 2360 25GbE Server Adapter", 177 }; 178 179 struct lio_if_cfg_resp { 180 uint64_t rh; 181 struct octeon_if_cfg_info cfg_info; 182 uint64_t status; 183 }; 184 185 struct lio_if_cfg_context { 186 int octeon_id; 187 volatile int cond; 188 }; 189 190 struct lio_rx_ctl_context { 191 int octeon_id; 192 volatile int cond; 193 }; 194 195 static int 196 lio_probe(device_t dev) 197 { 198 struct lio_vendor_info *tbl; 199 200 uint16_t vendor_id; 201 uint16_t device_id; 202 uint16_t subdevice_id; 203 uint8_t revision_id; 204 char device_ver[256]; 205 206 vendor_id = pci_get_vendor(dev); 207 if (vendor_id != PCI_VENDOR_ID_CAVIUM) 208 return (ENXIO); 209 210 device_id = pci_get_device(dev); 211 subdevice_id = pci_get_subdevice(dev); 212 revision_id = pci_get_revid(dev); 213 214 tbl = lio_pci_tbl; 215 while (tbl->vendor_id) { 216 if ((vendor_id == tbl->vendor_id) && 217 (device_id == tbl->device_id) && 218 (subdevice_id == tbl->subdevice_id) && 219 (revision_id == tbl->revision_id)) { 220 sprintf(device_ver, "%s, Version - %s", 221 lio_strings[tbl->index], LIO_VERSION); 222 device_set_desc_copy(dev, device_ver); 223 return (BUS_PROBE_DEFAULT); 224 } 225 226 tbl++; 227 } 228 229 return (ENXIO); 230 } 231 232 static int 233 lio_attach(device_t device) 234 { 235 struct octeon_device *oct_dev = NULL; 236 uint64_t scratch1; 237 uint32_t error; 238 int timeout, ret = 1; 239 uint8_t bus, dev, function; 240 241 oct_dev = lio_allocate_device(device); 242 if (oct_dev == NULL) { 243 device_printf(device, "Error: Unable to allocate device\n"); 244 return (-ENOMEM); 245 } 246 247 oct_dev->tx_budget = LIO_DEFAULT_TX_PKTS_PROCESS_BUDGET; 248 oct_dev->rx_budget = LIO_DEFAULT_RX_PKTS_PROCESS_BUDGET; 249 oct_dev->msix_on = LIO_FLAG_MSIX_ENABLED; 250 251 oct_dev->device = device; 252 bus = pci_get_bus(device); 253 dev = pci_get_slot(device); 254 function = pci_get_function(device); 255 256 lio_dev_info(oct_dev, "Initializing device %x:%x %02x:%02x.%01x\n", 257 pci_get_vendor(device), pci_get_device(device), bus, dev, 258 function); 259 260 if (lio_device_init(oct_dev)) { 261 lio_dev_err(oct_dev, "Failed to init device\n"); 262 lio_detach(device); 263 return (-ENOMEM); 264 } 265 266 scratch1 = lio_read_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1); 267 if (!(scratch1 & 4ULL)) { 268 /* 269 * Bit 2 of SLI_SCRATCH_1 is a flag that indicates that 270 * the lio watchdog kernel thread is running for this 271 * NIC. Each NIC gets one watchdog kernel thread. 272 */ 273 scratch1 |= 4ULL; 274 lio_write_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1, scratch1); 275 276 error = kproc_create(lio_watchdog, oct_dev, 277 &oct_dev->watchdog_task, 0, 0, 278 "liowd/%02hhx:%02hhx.%hhx", bus, 279 dev, function); 280 if (!error) { 281 kproc_resume(oct_dev->watchdog_task); 282 } else { 283 oct_dev->watchdog_task = NULL; 284 lio_dev_err(oct_dev, 285 "failed to create kernel_thread\n"); 286 lio_detach(device); 287 return (-1); 288 } 289 } 290 oct_dev->rx_pause = 1; 291 oct_dev->tx_pause = 1; 292 293 timeout = 0; 294 while (timeout < LIO_NIC_STARTER_TIMEOUT) { 295 lio_mdelay(LIO_STARTER_POLL_INTERVAL_MS); 296 timeout += LIO_STARTER_POLL_INTERVAL_MS; 297 298 /* 299 * During the boot process interrupts are not available. 300 * So polling for first control message from FW. 301 */ 302 if (cold) 303 lio_droq_bh(oct_dev->droq[0], 0); 304 305 if (atomic_load_acq_int(&oct_dev->status) == LIO_DEV_CORE_OK) { 306 ret = lio_nic_starter(oct_dev); 307 break; 308 } 309 } 310 311 if (ret) { 312 lio_dev_err(oct_dev, "Firmware failed to start\n"); 313 lio_detach(device); 314 return (-EIO); 315 } 316 317 lio_dev_dbg(oct_dev, "Device is ready\n"); 318 319 return (0); 320 } 321 322 static int 323 lio_detach(device_t dev) 324 { 325 struct octeon_device *oct_dev = device_get_softc(dev); 326 327 lio_dev_dbg(oct_dev, "Stopping device\n"); 328 if (oct_dev->watchdog_task) { 329 uint64_t scratch1; 330 331 kproc_suspend(oct_dev->watchdog_task, 0); 332 333 scratch1 = lio_read_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1); 334 scratch1 &= ~4ULL; 335 lio_write_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1, scratch1); 336 } 337 338 if (oct_dev->app_mode && (oct_dev->app_mode == LIO_DRV_NIC_APP)) 339 lio_stop_nic_module(oct_dev); 340 341 /* 342 * Reset the octeon device and cleanup all memory allocated for 343 * the octeon device by driver. 344 */ 345 lio_destroy_resources(oct_dev); 346 347 lio_dev_info(oct_dev, "Device removed\n"); 348 349 /* 350 * This octeon device has been removed. Update the global 351 * data structure to reflect this. Free the device structure. 352 */ 353 lio_free_device_mem(oct_dev); 354 return (0); 355 } 356 357 static int 358 lio_shutdown(device_t dev) 359 { 360 struct octeon_device *oct_dev = device_get_softc(dev); 361 struct lio *lio = if_getsoftc(oct_dev->props.ifp); 362 363 lio_send_rx_ctrl_cmd(lio, 0); 364 365 return (0); 366 } 367 368 static int 369 lio_suspend(device_t dev) 370 { 371 372 return (ENXIO); 373 } 374 375 static int 376 lio_resume(device_t dev) 377 { 378 379 return (ENXIO); 380 } 381 382 static int 383 lio_event(struct module *mod, int event, void *junk) 384 { 385 386 switch (event) { 387 case MOD_LOAD: 388 lio_init_device_list(LIO_CFG_TYPE_DEFAULT); 389 break; 390 default: 391 break; 392 } 393 394 return (0); 395 } 396 397 /********************************************************************* 398 * FreeBSD Device Interface Entry Points 399 * *******************************************************************/ 400 static device_method_t lio_methods[] = { 401 /* Device interface */ 402 DEVMETHOD(device_probe, lio_probe), 403 DEVMETHOD(device_attach, lio_attach), 404 DEVMETHOD(device_detach, lio_detach), 405 DEVMETHOD(device_shutdown, lio_shutdown), 406 DEVMETHOD(device_suspend, lio_suspend), 407 DEVMETHOD(device_resume, lio_resume), 408 DEVMETHOD_END 409 }; 410 411 static driver_t lio_driver = { 412 LIO_DRV_NAME, lio_methods, sizeof(struct octeon_device), 413 }; 414 415 devclass_t lio_devclass; 416 DRIVER_MODULE(lio, pci, lio_driver, lio_devclass, lio_event, 0); 417 418 MODULE_DEPEND(lio, pci, 1, 1, 1); 419 MODULE_DEPEND(lio, ether, 1, 1, 1); 420 MODULE_DEPEND(lio, firmware, 1, 1, 1); 421 422 static bool 423 fw_type_is_none(void) 424 { 425 return strncmp(fw_type, LIO_FW_NAME_TYPE_NONE, 426 sizeof(LIO_FW_NAME_TYPE_NONE)) == 0; 427 } 428 429 /* 430 * \brief Device initialization for each Octeon device that is probed 431 * @param octeon_dev octeon device 432 */ 433 static int 434 lio_device_init(struct octeon_device *octeon_dev) 435 { 436 unsigned long ddr_timeout = LIO_DDR_TIMEOUT; 437 char *dbg_enb = NULL; 438 int fw_loaded = 0; 439 int i, j, ret; 440 uint8_t bus, dev, function; 441 char bootcmd[] = "\n"; 442 443 bus = pci_get_bus(octeon_dev->device); 444 dev = pci_get_slot(octeon_dev->device); 445 function = pci_get_function(octeon_dev->device); 446 447 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_BEGIN_STATE); 448 449 /* Enable access to the octeon device */ 450 if (pci_enable_busmaster(octeon_dev->device)) { 451 lio_dev_err(octeon_dev, "pci_enable_device failed\n"); 452 return (1); 453 } 454 455 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_PCI_ENABLE_DONE); 456 457 /* Identify the Octeon type and map the BAR address space. */ 458 if (lio_chip_specific_setup(octeon_dev)) { 459 lio_dev_err(octeon_dev, "Chip specific setup failed\n"); 460 return (1); 461 } 462 463 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_PCI_MAP_DONE); 464 465 /* 466 * Only add a reference after setting status 'OCT_DEV_PCI_MAP_DONE', 467 * since that is what is required for the reference to be removed 468 * during de-initialization (see 'octeon_destroy_resources'). 469 */ 470 lio_register_device(octeon_dev, bus, dev, function, true); 471 472 473 octeon_dev->app_mode = LIO_DRV_INVALID_APP; 474 475 if (!lio_cn23xx_pf_fw_loaded(octeon_dev) && !fw_type_is_none()) { 476 fw_loaded = 0; 477 /* Do a soft reset of the Octeon device. */ 478 if (octeon_dev->fn_list.soft_reset(octeon_dev)) 479 return (1); 480 481 /* things might have changed */ 482 if (!lio_cn23xx_pf_fw_loaded(octeon_dev)) 483 fw_loaded = 0; 484 else 485 fw_loaded = 1; 486 } else { 487 fw_loaded = 1; 488 } 489 490 /* 491 * Initialize the dispatch mechanism used to push packets arriving on 492 * Octeon Output queues. 493 */ 494 if (lio_init_dispatch_list(octeon_dev)) 495 return (1); 496 497 lio_register_dispatch_fn(octeon_dev, LIO_OPCODE_NIC, 498 LIO_OPCODE_NIC_CORE_DRV_ACTIVE, 499 lio_core_drv_init, octeon_dev); 500 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_DISPATCH_INIT_DONE); 501 502 ret = octeon_dev->fn_list.setup_device_regs(octeon_dev); 503 if (ret) { 504 lio_dev_err(octeon_dev, 505 "Failed to configure device registers\n"); 506 return (ret); 507 } 508 509 /* Initialize soft command buffer pool */ 510 if (lio_setup_sc_buffer_pool(octeon_dev)) { 511 lio_dev_err(octeon_dev, "sc buffer pool allocation failed\n"); 512 return (1); 513 } 514 515 atomic_store_rel_int(&octeon_dev->status, 516 LIO_DEV_SC_BUFF_POOL_INIT_DONE); 517 518 if (lio_allocate_ioq_vector(octeon_dev)) { 519 lio_dev_err(octeon_dev, 520 "IOQ vector allocation failed\n"); 521 return (1); 522 } 523 524 atomic_store_rel_int(&octeon_dev->status, 525 LIO_DEV_MSIX_ALLOC_VECTOR_DONE); 526 527 for (i = 0; i < LIO_MAX_POSSIBLE_INSTR_QUEUES; i++) { 528 octeon_dev->instr_queue[i] = 529 malloc(sizeof(struct lio_instr_queue), 530 M_DEVBUF, M_NOWAIT | M_ZERO); 531 if (octeon_dev->instr_queue[i] == NULL) 532 return (1); 533 } 534 535 /* Setup the data structures that manage this Octeon's Input queues. */ 536 if (lio_setup_instr_queue0(octeon_dev)) { 537 lio_dev_err(octeon_dev, 538 "Instruction queue initialization failed\n"); 539 return (1); 540 } 541 542 atomic_store_rel_int(&octeon_dev->status, 543 LIO_DEV_INSTR_QUEUE_INIT_DONE); 544 545 /* 546 * Initialize lists to manage the requests of different types that 547 * arrive from user & kernel applications for this octeon device. 548 */ 549 550 if (lio_setup_response_list(octeon_dev)) { 551 lio_dev_err(octeon_dev, "Response list allocation failed\n"); 552 return (1); 553 } 554 555 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_RESP_LIST_INIT_DONE); 556 557 for (i = 0; i < LIO_MAX_POSSIBLE_OUTPUT_QUEUES; i++) { 558 octeon_dev->droq[i] = malloc(sizeof(*octeon_dev->droq[i]), 559 M_DEVBUF, M_NOWAIT | M_ZERO); 560 if (octeon_dev->droq[i] == NULL) 561 return (1); 562 } 563 564 if (lio_setup_output_queue0(octeon_dev)) { 565 lio_dev_err(octeon_dev, "Output queue initialization failed\n"); 566 return (1); 567 } 568 569 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_DROQ_INIT_DONE); 570 571 /* 572 * Setup the interrupt handler and record the INT SUM register address 573 */ 574 if (lio_setup_interrupt(octeon_dev, 575 octeon_dev->sriov_info.num_pf_rings)) 576 return (1); 577 578 /* Enable Octeon device interrupts */ 579 octeon_dev->fn_list.enable_interrupt(octeon_dev, OCTEON_ALL_INTR); 580 581 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_INTR_SET_DONE); 582 583 /* 584 * Send Credit for Octeon Output queues. Credits are always sent BEFORE 585 * the output queue is enabled. 586 * This ensures that we'll receive the f/w CORE DRV_ACTIVE message in 587 * case we've configured CN23XX_SLI_GBL_CONTROL[NOPTR_D] = 0. 588 * Otherwise, it is possible that the DRV_ACTIVE message will be sent 589 * before any credits have been issued, causing the ring to be reset 590 * (and the f/w appear to never have started). 591 */ 592 for (j = 0; j < octeon_dev->num_oqs; j++) 593 lio_write_csr32(octeon_dev, 594 octeon_dev->droq[j]->pkts_credit_reg, 595 octeon_dev->droq[j]->max_count); 596 597 /* Enable the input and output queues for this Octeon device */ 598 ret = octeon_dev->fn_list.enable_io_queues(octeon_dev); 599 if (ret) { 600 lio_dev_err(octeon_dev, "Failed to enable input/output queues"); 601 return (ret); 602 } 603 604 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_IO_QUEUES_DONE); 605 606 if (!fw_loaded) { 607 lio_dev_dbg(octeon_dev, "Waiting for DDR initialization...\n"); 608 if (!ddr_timeout) { 609 lio_dev_info(octeon_dev, 610 "WAITING. Set ddr_timeout to non-zero value to proceed with initialization.\n"); 611 } 612 613 lio_sleep_timeout(LIO_RESET_MSECS); 614 615 /* 616 * Wait for the octeon to initialize DDR after the 617 * soft-reset. 618 */ 619 while (!ddr_timeout) { 620 if (pause("-", lio_ms_to_ticks(100))) { 621 /* user probably pressed Control-C */ 622 return (1); 623 } 624 } 625 626 ret = lio_wait_for_ddr_init(octeon_dev, &ddr_timeout); 627 if (ret) { 628 lio_dev_err(octeon_dev, 629 "DDR not initialized. Please confirm that board is configured to boot from Flash, ret: %d\n", 630 ret); 631 return (1); 632 } 633 634 if (lio_wait_for_bootloader(octeon_dev, 1100)) { 635 lio_dev_err(octeon_dev, "Board not responding\n"); 636 return (1); 637 } 638 639 /* Divert uboot to take commands from host instead. */ 640 ret = lio_console_send_cmd(octeon_dev, bootcmd, 50); 641 642 lio_dev_dbg(octeon_dev, "Initializing consoles\n"); 643 ret = lio_init_consoles(octeon_dev); 644 if (ret) { 645 lio_dev_err(octeon_dev, "Could not access board consoles\n"); 646 return (1); 647 } 648 649 /* 650 * If console debug enabled, specify empty string to 651 * use default enablement ELSE specify NULL string for 652 * 'disabled'. 653 */ 654 dbg_enb = lio_console_debug_enabled(0) ? "" : NULL; 655 ret = lio_add_console(octeon_dev, 0, dbg_enb); 656 657 if (ret) { 658 lio_dev_err(octeon_dev, "Could not access board console\n"); 659 return (1); 660 } else if (lio_console_debug_enabled(0)) { 661 /* 662 * If console was added AND we're logging console output 663 * then set our console print function. 664 */ 665 octeon_dev->console[0].print = lio_dbg_console_print; 666 } 667 668 atomic_store_rel_int(&octeon_dev->status, 669 LIO_DEV_CONSOLE_INIT_DONE); 670 671 lio_dev_dbg(octeon_dev, "Loading firmware\n"); 672 673 ret = lio_load_firmware(octeon_dev); 674 if (ret) { 675 lio_dev_err(octeon_dev, "Could not load firmware to board\n"); 676 return (1); 677 } 678 } 679 680 atomic_store_rel_int(&octeon_dev->status, LIO_DEV_HOST_OK); 681 682 return (0); 683 } 684 685 /* 686 * \brief PCI FLR for each Octeon device. 687 * @param oct octeon device 688 */ 689 static void 690 lio_pci_flr(struct octeon_device *oct) 691 { 692 uint32_t exppos, status; 693 694 pci_find_cap(oct->device, PCIY_EXPRESS, &exppos); 695 696 pci_save_state(oct->device); 697 698 /* Quiesce the device completely */ 699 pci_write_config(oct->device, PCIR_COMMAND, PCIM_CMD_INTxDIS, 2); 700 701 /* Wait for Transaction Pending bit clean */ 702 lio_mdelay(100); 703 704 status = pci_read_config(oct->device, exppos + PCIER_DEVICE_STA, 2); 705 if (status & PCIEM_STA_TRANSACTION_PND) { 706 lio_dev_info(oct, "Function reset incomplete after 100ms, sleeping for 5 seconds\n"); 707 lio_mdelay(5); 708 709 status = pci_read_config(oct->device, exppos + PCIER_DEVICE_STA, 2); 710 if (status & PCIEM_STA_TRANSACTION_PND) 711 lio_dev_info(oct, "Function reset still incomplete after 5s, reset anyway\n"); 712 } 713 714 pci_write_config(oct->device, exppos + PCIER_DEVICE_CTL, PCIEM_CTL_INITIATE_FLR, 2); 715 lio_mdelay(100); 716 717 pci_restore_state(oct->device); 718 } 719 720 /* 721 * \brief Debug console print function 722 * @param octeon_dev octeon device 723 * @param console_num console number 724 * @param prefix first portion of line to display 725 * @param suffix second portion of line to display 726 * 727 * The OCTEON debug console outputs entire lines (excluding '\n'). 728 * Normally, the line will be passed in the 'prefix' parameter. 729 * However, due to buffering, it is possible for a line to be split into two 730 * parts, in which case they will be passed as the 'prefix' parameter and 731 * 'suffix' parameter. 732 */ 733 static int 734 lio_dbg_console_print(struct octeon_device *oct, uint32_t console_num, 735 char *prefix, char *suffix) 736 { 737 738 if (prefix != NULL && suffix != NULL) 739 lio_dev_info(oct, "%u: %s%s\n", console_num, prefix, suffix); 740 else if (prefix != NULL) 741 lio_dev_info(oct, "%u: %s\n", console_num, prefix); 742 else if (suffix != NULL) 743 lio_dev_info(oct, "%u: %s\n", console_num, suffix); 744 745 return (0); 746 } 747 748 static void 749 lio_watchdog(void *param) 750 { 751 int core_num; 752 uint16_t mask_of_crashed_or_stuck_cores = 0; 753 struct octeon_device *oct = param; 754 bool err_msg_was_printed[12]; 755 756 bzero(err_msg_was_printed, sizeof(err_msg_was_printed)); 757 758 while (1) { 759 kproc_suspend_check(oct->watchdog_task); 760 mask_of_crashed_or_stuck_cores = 761 (uint16_t)lio_read_csr64(oct, LIO_CN23XX_SLI_SCRATCH2); 762 763 if (mask_of_crashed_or_stuck_cores) { 764 struct octeon_device *other_oct; 765 766 oct->cores_crashed = true; 767 other_oct = lio_get_other_octeon_device(oct); 768 if (other_oct != NULL) 769 other_oct->cores_crashed = true; 770 771 for (core_num = 0; core_num < LIO_MAX_CORES; 772 core_num++) { 773 bool core_crashed_or_got_stuck; 774 775 core_crashed_or_got_stuck = 776 (mask_of_crashed_or_stuck_cores >> 777 core_num) & 1; 778 if (core_crashed_or_got_stuck && 779 !err_msg_was_printed[core_num]) { 780 lio_dev_err(oct, 781 "ERROR: Octeon core %d crashed or got stuck! See oct-fwdump for details.\n", 782 core_num); 783 err_msg_was_printed[core_num] = true; 784 } 785 } 786 787 } 788 789 /* sleep for two seconds */ 790 pause("-", lio_ms_to_ticks(2000)); 791 } 792 } 793 794 static int 795 lio_chip_specific_setup(struct octeon_device *oct) 796 { 797 char *s; 798 uint32_t dev_id, rev_id; 799 int ret = 1; 800 801 dev_id = lio_read_pci_cfg(oct, 0); 802 rev_id = pci_get_revid(oct->device); 803 oct->subdevice_id = pci_get_subdevice(oct->device); 804 805 switch (dev_id) { 806 case LIO_CN23XX_PF_PCIID: 807 oct->chip_id = LIO_CN23XX_PF_VID; 808 if (pci_get_function(oct->device) == 0) { 809 if (num_queues_per_pf0 < 0) { 810 lio_dev_info(oct, "Invalid num_queues_per_pf0: %d, Setting it to default\n", 811 num_queues_per_pf0); 812 num_queues_per_pf0 = 0; 813 } 814 815 oct->sriov_info.num_pf_rings = num_queues_per_pf0; 816 } else { 817 if (num_queues_per_pf1 < 0) { 818 lio_dev_info(oct, "Invalid num_queues_per_pf1: %d, Setting it to default\n", 819 num_queues_per_pf1); 820 num_queues_per_pf1 = 0; 821 } 822 823 oct->sriov_info.num_pf_rings = num_queues_per_pf1; 824 } 825 826 ret = lio_cn23xx_pf_setup_device(oct); 827 s = "CN23XX"; 828 break; 829 830 default: 831 s = "?"; 832 lio_dev_err(oct, "Unknown device found (dev_id: %x)\n", dev_id); 833 } 834 835 if (!ret) 836 lio_dev_info(oct, "%s PASS%d.%d %s Version: %s\n", s, 837 OCTEON_MAJOR_REV(oct), OCTEON_MINOR_REV(oct), 838 lio_get_conf(oct)->card_name, LIO_VERSION); 839 840 return (ret); 841 } 842 843 static struct octeon_device * 844 lio_get_other_octeon_device(struct octeon_device *oct) 845 { 846 struct octeon_device *other_oct; 847 848 other_oct = lio_get_device(oct->octeon_id + 1); 849 850 if ((other_oct != NULL) && other_oct->device) { 851 int oct_busnum, other_oct_busnum; 852 853 oct_busnum = pci_get_bus(oct->device); 854 other_oct_busnum = pci_get_bus(other_oct->device); 855 856 if (oct_busnum == other_oct_busnum) { 857 int oct_slot, other_oct_slot; 858 859 oct_slot = pci_get_slot(oct->device); 860 other_oct_slot = pci_get_slot(other_oct->device); 861 862 if (oct_slot == other_oct_slot) 863 return (other_oct); 864 } 865 } 866 return (NULL); 867 } 868 869 /* 870 * \brief Load firmware to device 871 * @param oct octeon device 872 * 873 * Maps device to firmware filename, requests firmware, and downloads it 874 */ 875 static int 876 lio_load_firmware(struct octeon_device *oct) 877 { 878 const struct firmware *fw; 879 char *tmp_fw_type = NULL; 880 int ret = 0; 881 char fw_name[LIO_MAX_FW_FILENAME_LEN]; 882 883 if (fw_type[0] == '\0') 884 tmp_fw_type = LIO_FW_NAME_TYPE_NIC; 885 else 886 tmp_fw_type = fw_type; 887 888 sprintf(fw_name, "%s%s_%s%s", LIO_FW_BASE_NAME, 889 lio_get_conf(oct)->card_name, tmp_fw_type, LIO_FW_NAME_SUFFIX); 890 891 fw = firmware_get(fw_name); 892 if (fw == NULL) { 893 lio_dev_err(oct, "Request firmware failed. Could not find file %s.\n", 894 fw_name); 895 return (EINVAL); 896 } 897 898 ret = lio_download_firmware(oct, fw->data, fw->datasize); 899 900 firmware_put(fw, FIRMWARE_UNLOAD); 901 902 return (ret); 903 } 904 905 static int 906 lio_nic_starter(struct octeon_device *oct) 907 { 908 int ret = 0; 909 910 atomic_store_rel_int(&oct->status, LIO_DEV_RUNNING); 911 912 if (oct->app_mode && oct->app_mode == LIO_DRV_NIC_APP) { 913 if (lio_init_nic_module(oct)) { 914 lio_dev_err(oct, "NIC initialization failed\n"); 915 ret = -1; 916 #ifdef CAVIUM_ONiLY_23XX_VF 917 } else { 918 if (octeon_enable_sriov(oct) < 0) 919 ret = -1; 920 #endif 921 } 922 } else { 923 lio_dev_err(oct, 924 "Unexpected application running on NIC (%d). Check firmware.\n", 925 oct->app_mode); 926 ret = -1; 927 } 928 929 return (ret); 930 } 931 932 static int 933 lio_init_nic_module(struct octeon_device *oct) 934 { 935 int num_nic_ports = LIO_GET_NUM_NIC_PORTS_CFG(lio_get_conf(oct)); 936 int retval = 0; 937 938 lio_dev_dbg(oct, "Initializing network interfaces\n"); 939 940 /* 941 * only default iq and oq were initialized 942 * initialize the rest as well 943 */ 944 945 /* run port_config command for each port */ 946 oct->ifcount = num_nic_ports; 947 948 bzero(&oct->props, sizeof(struct lio_if_props)); 949 950 oct->props.gmxport = -1; 951 952 retval = lio_setup_nic_devices(oct); 953 if (retval) { 954 lio_dev_err(oct, "Setup NIC devices failed\n"); 955 goto lio_init_failure; 956 } 957 958 lio_dev_dbg(oct, "Network interfaces ready\n"); 959 960 return (retval); 961 962 lio_init_failure: 963 964 oct->ifcount = 0; 965 966 return (retval); 967 } 968 969 static int 970 lio_ifmedia_update(struct ifnet *ifp) 971 { 972 struct lio *lio = if_getsoftc(ifp); 973 struct ifmedia *ifm; 974 975 ifm = &lio->ifmedia; 976 977 /* We only support Ethernet media type. */ 978 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 979 return (EINVAL); 980 981 switch (IFM_SUBTYPE(ifm->ifm_media)) { 982 case IFM_AUTO: 983 break; 984 case IFM_10G_CX4: 985 case IFM_10G_SR: 986 case IFM_10G_T: 987 case IFM_10G_TWINAX: 988 default: 989 /* We don't support changing the media type. */ 990 lio_dev_err(lio->oct_dev, "Invalid media type (%d)\n", 991 IFM_SUBTYPE(ifm->ifm_media)); 992 return (EINVAL); 993 } 994 995 return (0); 996 } 997 998 static int 999 lio_get_media_subtype(struct octeon_device *oct) 1000 { 1001 1002 switch(oct->subdevice_id) { 1003 case LIO_CN2350_10G_SUBDEVICE: 1004 case LIO_CN2350_10G_SUBDEVICE1: 1005 case LIO_CN2360_10G_SUBDEVICE: 1006 return (IFM_10G_SR); 1007 1008 case LIO_CN2350_25G_SUBDEVICE: 1009 case LIO_CN2360_25G_SUBDEVICE: 1010 return (IFM_25G_SR); 1011 } 1012 1013 return (IFM_10G_SR); 1014 } 1015 1016 static unsigned long 1017 lio_get_baudrate(struct octeon_device *oct) 1018 { 1019 1020 switch(oct->subdevice_id) { 1021 case LIO_CN2350_10G_SUBDEVICE: 1022 case LIO_CN2350_10G_SUBDEVICE1: 1023 case LIO_CN2360_10G_SUBDEVICE: 1024 return (IF_Gbps(10)); 1025 1026 case LIO_CN2350_25G_SUBDEVICE: 1027 case LIO_CN2360_25G_SUBDEVICE: 1028 return (IF_Gbps(25)); 1029 } 1030 1031 return (IF_Gbps(10)); 1032 } 1033 1034 static void 1035 lio_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1036 { 1037 struct lio *lio = if_getsoftc(ifp); 1038 1039 /* Report link down if the driver isn't running. */ 1040 if (!lio_ifstate_check(lio, LIO_IFSTATE_RUNNING)) { 1041 ifmr->ifm_active |= IFM_NONE; 1042 return; 1043 } 1044 1045 /* Setup the default interface info. */ 1046 ifmr->ifm_status = IFM_AVALID; 1047 ifmr->ifm_active = IFM_ETHER; 1048 1049 if (lio->linfo.link.s.link_up) { 1050 ifmr->ifm_status |= IFM_ACTIVE; 1051 } else { 1052 ifmr->ifm_active |= IFM_NONE; 1053 return; 1054 } 1055 1056 ifmr->ifm_active |= lio_get_media_subtype(lio->oct_dev); 1057 1058 if (lio->linfo.link.s.duplex) 1059 ifmr->ifm_active |= IFM_FDX; 1060 else 1061 ifmr->ifm_active |= IFM_HDX; 1062 } 1063 1064 static uint64_t 1065 lio_get_counter(if_t ifp, ift_counter cnt) 1066 { 1067 struct lio *lio = if_getsoftc(ifp); 1068 struct octeon_device *oct = lio->oct_dev; 1069 uint64_t counter = 0; 1070 int i, q_no; 1071 1072 switch (cnt) { 1073 case IFCOUNTER_IPACKETS: 1074 for (i = 0; i < oct->num_oqs; i++) { 1075 q_no = lio->linfo.rxpciq[i].s.q_no; 1076 counter += oct->droq[q_no]->stats.rx_pkts_received; 1077 } 1078 break; 1079 case IFCOUNTER_OPACKETS: 1080 for (i = 0; i < oct->num_iqs; i++) { 1081 q_no = lio->linfo.txpciq[i].s.q_no; 1082 counter += oct->instr_queue[q_no]->stats.tx_done; 1083 } 1084 break; 1085 case IFCOUNTER_IBYTES: 1086 for (i = 0; i < oct->num_oqs; i++) { 1087 q_no = lio->linfo.rxpciq[i].s.q_no; 1088 counter += oct->droq[q_no]->stats.rx_bytes_received; 1089 } 1090 break; 1091 case IFCOUNTER_OBYTES: 1092 for (i = 0; i < oct->num_iqs; i++) { 1093 q_no = lio->linfo.txpciq[i].s.q_no; 1094 counter += oct->instr_queue[q_no]->stats.tx_tot_bytes; 1095 } 1096 break; 1097 case IFCOUNTER_IQDROPS: 1098 for (i = 0; i < oct->num_oqs; i++) { 1099 q_no = lio->linfo.rxpciq[i].s.q_no; 1100 counter += oct->droq[q_no]->stats.rx_dropped; 1101 } 1102 break; 1103 case IFCOUNTER_OQDROPS: 1104 for (i = 0; i < oct->num_iqs; i++) { 1105 q_no = lio->linfo.txpciq[i].s.q_no; 1106 counter += oct->instr_queue[q_no]->stats.tx_dropped; 1107 } 1108 break; 1109 case IFCOUNTER_IMCASTS: 1110 counter = oct->link_stats.fromwire.total_mcst; 1111 break; 1112 case IFCOUNTER_OMCASTS: 1113 counter = oct->link_stats.fromhost.mcast_pkts_sent; 1114 break; 1115 case IFCOUNTER_COLLISIONS: 1116 counter = oct->link_stats.fromhost.total_collisions; 1117 break; 1118 case IFCOUNTER_IERRORS: 1119 counter = oct->link_stats.fromwire.fcs_err + 1120 oct->link_stats.fromwire.l2_err + 1121 oct->link_stats.fromwire.frame_err; 1122 break; 1123 default: 1124 return (if_get_counter_default(ifp, cnt)); 1125 } 1126 1127 return (counter); 1128 } 1129 1130 static int 1131 lio_init_ifnet(struct lio *lio) 1132 { 1133 struct octeon_device *oct = lio->oct_dev; 1134 if_t ifp = lio->ifp; 1135 1136 /* ifconfig entrypoint for media type/status reporting */ 1137 ifmedia_init(&lio->ifmedia, IFM_IMASK, lio_ifmedia_update, 1138 lio_ifmedia_status); 1139 1140 /* set the default interface values */ 1141 ifmedia_add(&lio->ifmedia, 1142 (IFM_ETHER | IFM_FDX | lio_get_media_subtype(oct)), 1143 0, NULL); 1144 ifmedia_add(&lio->ifmedia, (IFM_ETHER | IFM_AUTO), 0, NULL); 1145 ifmedia_set(&lio->ifmedia, (IFM_ETHER | IFM_AUTO)); 1146 1147 lio->ifmedia.ifm_media = lio->ifmedia.ifm_cur->ifm_media; 1148 lio_dev_dbg(oct, "IFMEDIA flags : %x\n", lio->ifmedia.ifm_media); 1149 1150 if_initname(ifp, device_get_name(oct->device), 1151 device_get_unit(oct->device)); 1152 if_setflags(ifp, (IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST)); 1153 if_setioctlfn(ifp, lio_ioctl); 1154 if_setgetcounterfn(ifp, lio_get_counter); 1155 if_settransmitfn(ifp, lio_mq_start); 1156 if_setqflushfn(ifp, lio_qflush); 1157 if_setinitfn(ifp, lio_open); 1158 if_setmtu(ifp, lio->linfo.link.s.mtu); 1159 lio->mtu = lio->linfo.link.s.mtu; 1160 if_sethwassist(ifp, (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO | 1161 CSUM_TCP_IPV6 | CSUM_UDP_IPV6)); 1162 1163 if_setcapabilitiesbit(ifp, (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 | 1164 IFCAP_TSO | IFCAP_LRO | 1165 IFCAP_JUMBO_MTU | IFCAP_HWSTATS | 1166 IFCAP_LINKSTATE | IFCAP_VLAN_HWFILTER | 1167 IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTAGGING | 1168 IFCAP_VLAN_HWTSO | IFCAP_VLAN_MTU), 0); 1169 1170 if_setcapenable(ifp, if_getcapabilities(ifp)); 1171 if_setbaudrate(ifp, lio_get_baudrate(oct)); 1172 1173 return (0); 1174 } 1175 1176 static void 1177 lio_tcp_lro_free(struct octeon_device *octeon_dev, struct ifnet *ifp) 1178 { 1179 struct lio *lio = if_getsoftc(ifp); 1180 struct lio_droq *droq; 1181 int q_no; 1182 int i; 1183 1184 for (i = 0; i < octeon_dev->num_oqs; i++) { 1185 q_no = lio->linfo.rxpciq[i].s.q_no; 1186 droq = octeon_dev->droq[q_no]; 1187 if (droq->lro.ifp) { 1188 tcp_lro_free(&droq->lro); 1189 droq->lro.ifp = NULL; 1190 } 1191 } 1192 } 1193 1194 static int 1195 lio_tcp_lro_init(struct octeon_device *octeon_dev, struct ifnet *ifp) 1196 { 1197 struct lio *lio = if_getsoftc(ifp); 1198 struct lio_droq *droq; 1199 struct lro_ctrl *lro; 1200 int i, q_no, ret = 0; 1201 1202 for (i = 0; i < octeon_dev->num_oqs; i++) { 1203 q_no = lio->linfo.rxpciq[i].s.q_no; 1204 droq = octeon_dev->droq[q_no]; 1205 lro = &droq->lro; 1206 ret = tcp_lro_init(lro); 1207 if (ret) { 1208 lio_dev_err(octeon_dev, "LRO Initialization failed ret %d\n", 1209 ret); 1210 goto lro_init_failed; 1211 } 1212 1213 lro->ifp = ifp; 1214 } 1215 1216 return (ret); 1217 1218 lro_init_failed: 1219 lio_tcp_lro_free(octeon_dev, ifp); 1220 1221 return (ret); 1222 } 1223 1224 static int 1225 lio_setup_nic_devices(struct octeon_device *octeon_dev) 1226 { 1227 union octeon_if_cfg if_cfg; 1228 struct lio *lio = NULL; 1229 struct ifnet *ifp = NULL; 1230 struct lio_version *vdata; 1231 struct lio_soft_command *sc; 1232 struct lio_if_cfg_context *ctx; 1233 struct lio_if_cfg_resp *resp; 1234 struct lio_if_props *props; 1235 int num_iqueues, num_oqueues, retval; 1236 unsigned int base_queue; 1237 unsigned int gmx_port_id; 1238 uint32_t ctx_size, data_size; 1239 uint32_t ifidx_or_pfnum, resp_size; 1240 uint8_t mac[ETHER_HDR_LEN], i, j; 1241 1242 /* This is to handle link status changes */ 1243 lio_register_dispatch_fn(octeon_dev, LIO_OPCODE_NIC, 1244 LIO_OPCODE_NIC_INFO, 1245 lio_link_info, octeon_dev); 1246 1247 for (i = 0; i < octeon_dev->ifcount; i++) { 1248 resp_size = sizeof(struct lio_if_cfg_resp); 1249 ctx_size = sizeof(struct lio_if_cfg_context); 1250 data_size = sizeof(struct lio_version); 1251 sc = lio_alloc_soft_command(octeon_dev, data_size, resp_size, 1252 ctx_size); 1253 if (sc == NULL) 1254 return (ENOMEM); 1255 1256 resp = (struct lio_if_cfg_resp *)sc->virtrptr; 1257 ctx = (struct lio_if_cfg_context *)sc->ctxptr; 1258 vdata = (struct lio_version *)sc->virtdptr; 1259 1260 *((uint64_t *)vdata) = 0; 1261 vdata->major = htobe16(LIO_BASE_MAJOR_VERSION); 1262 vdata->minor = htobe16(LIO_BASE_MINOR_VERSION); 1263 vdata->micro = htobe16(LIO_BASE_MICRO_VERSION); 1264 1265 num_iqueues = octeon_dev->sriov_info.num_pf_rings; 1266 num_oqueues = octeon_dev->sriov_info.num_pf_rings; 1267 base_queue = octeon_dev->sriov_info.pf_srn; 1268 1269 gmx_port_id = octeon_dev->pf_num; 1270 ifidx_or_pfnum = octeon_dev->pf_num; 1271 1272 lio_dev_dbg(octeon_dev, "requesting config for interface %d, iqs %d, oqs %d\n", 1273 ifidx_or_pfnum, num_iqueues, num_oqueues); 1274 ctx->cond = 0; 1275 ctx->octeon_id = lio_get_device_id(octeon_dev); 1276 1277 if_cfg.if_cfg64 = 0; 1278 if_cfg.s.num_iqueues = num_iqueues; 1279 if_cfg.s.num_oqueues = num_oqueues; 1280 if_cfg.s.base_queue = base_queue; 1281 if_cfg.s.gmx_port_id = gmx_port_id; 1282 1283 sc->iq_no = 0; 1284 1285 lio_prepare_soft_command(octeon_dev, sc, LIO_OPCODE_NIC, 1286 LIO_OPCODE_NIC_IF_CFG, 0, 1287 if_cfg.if_cfg64, 0); 1288 1289 sc->callback = lio_if_cfg_callback; 1290 sc->callback_arg = sc; 1291 sc->wait_time = 3000; 1292 1293 retval = lio_send_soft_command(octeon_dev, sc); 1294 if (retval == LIO_IQ_SEND_FAILED) { 1295 lio_dev_err(octeon_dev, "iq/oq config failed status: %x\n", 1296 retval); 1297 /* Soft instr is freed by driver in case of failure. */ 1298 goto setup_nic_dev_fail; 1299 } 1300 1301 /* 1302 * Sleep on a wait queue till the cond flag indicates that the 1303 * response arrived or timed-out. 1304 */ 1305 lio_sleep_cond(octeon_dev, &ctx->cond); 1306 1307 retval = resp->status; 1308 if (retval) { 1309 lio_dev_err(octeon_dev, "iq/oq config failed\n"); 1310 goto setup_nic_dev_fail; 1311 } 1312 1313 lio_swap_8B_data((uint64_t *)(&resp->cfg_info), 1314 (sizeof(struct octeon_if_cfg_info)) >> 3); 1315 1316 num_iqueues = bitcount64(resp->cfg_info.iqmask); 1317 num_oqueues = bitcount64(resp->cfg_info.oqmask); 1318 1319 if (!(num_iqueues) || !(num_oqueues)) { 1320 lio_dev_err(octeon_dev, 1321 "Got bad iqueues (%016lX) or oqueues (%016lX) from firmware.\n", 1322 resp->cfg_info.iqmask, 1323 resp->cfg_info.oqmask); 1324 goto setup_nic_dev_fail; 1325 } 1326 1327 lio_dev_dbg(octeon_dev, 1328 "interface %d, iqmask %016lx, oqmask %016lx, numiqueues %d, numoqueues %d\n", 1329 i, resp->cfg_info.iqmask, resp->cfg_info.oqmask, 1330 num_iqueues, num_oqueues); 1331 1332 ifp = if_alloc(IFT_ETHER); 1333 1334 if (ifp == NULL) { 1335 lio_dev_err(octeon_dev, "Device allocation failed\n"); 1336 goto setup_nic_dev_fail; 1337 } 1338 1339 lio = malloc(sizeof(struct lio), M_DEVBUF, M_NOWAIT | M_ZERO); 1340 1341 if (lio == NULL) { 1342 lio_dev_err(octeon_dev, "Lio allocation failed\n"); 1343 goto setup_nic_dev_fail; 1344 } 1345 1346 if_setsoftc(ifp, lio); 1347 1348 ifp->if_hw_tsomax = LIO_MAX_FRAME_SIZE; 1349 ifp->if_hw_tsomaxsegcount = LIO_MAX_SG; 1350 ifp->if_hw_tsomaxsegsize = PAGE_SIZE; 1351 1352 lio->ifidx = ifidx_or_pfnum; 1353 1354 props = &octeon_dev->props; 1355 props->gmxport = resp->cfg_info.linfo.gmxport; 1356 props->ifp = ifp; 1357 1358 lio->linfo.num_rxpciq = num_oqueues; 1359 lio->linfo.num_txpciq = num_iqueues; 1360 for (j = 0; j < num_oqueues; j++) { 1361 lio->linfo.rxpciq[j].rxpciq64 = 1362 resp->cfg_info.linfo.rxpciq[j].rxpciq64; 1363 } 1364 1365 for (j = 0; j < num_iqueues; j++) { 1366 lio->linfo.txpciq[j].txpciq64 = 1367 resp->cfg_info.linfo.txpciq[j].txpciq64; 1368 } 1369 1370 lio->linfo.hw_addr = resp->cfg_info.linfo.hw_addr; 1371 lio->linfo.gmxport = resp->cfg_info.linfo.gmxport; 1372 lio->linfo.link.link_status64 = 1373 resp->cfg_info.linfo.link.link_status64; 1374 1375 /* 1376 * Point to the properties for octeon device to which this 1377 * interface belongs. 1378 */ 1379 lio->oct_dev = octeon_dev; 1380 lio->ifp = ifp; 1381 1382 lio_dev_dbg(octeon_dev, "if%d gmx: %d hw_addr: 0x%llx\n", i, 1383 lio->linfo.gmxport, LIO_CAST64(lio->linfo.hw_addr)); 1384 lio_init_ifnet(lio); 1385 /* 64-bit swap required on LE machines */ 1386 lio_swap_8B_data(&lio->linfo.hw_addr, 1); 1387 for (j = 0; j < 6; j++) 1388 mac[j] = *((uint8_t *)( 1389 ((uint8_t *)&lio->linfo.hw_addr) + 2 + j)); 1390 1391 ether_ifattach(ifp, mac); 1392 1393 /* 1394 * By default all interfaces on a single Octeon uses the same 1395 * tx and rx queues 1396 */ 1397 lio->txq = lio->linfo.txpciq[0].s.q_no; 1398 lio->rxq = lio->linfo.rxpciq[0].s.q_no; 1399 if (lio_setup_io_queues(octeon_dev, i, lio->linfo.num_txpciq, 1400 lio->linfo.num_rxpciq)) { 1401 lio_dev_err(octeon_dev, "I/O queues creation failed\n"); 1402 goto setup_nic_dev_fail; 1403 } 1404 1405 lio_ifstate_set(lio, LIO_IFSTATE_DROQ_OPS); 1406 1407 lio->tx_qsize = lio_get_tx_qsize(octeon_dev, lio->txq); 1408 lio->rx_qsize = lio_get_rx_qsize(octeon_dev, lio->rxq); 1409 1410 if (lio_setup_glists(octeon_dev, lio, num_iqueues)) { 1411 lio_dev_err(octeon_dev, "Gather list allocation failed\n"); 1412 goto setup_nic_dev_fail; 1413 } 1414 1415 if ((lio_hwlro == 0) && lio_tcp_lro_init(octeon_dev, ifp)) 1416 goto setup_nic_dev_fail; 1417 1418 if (lio_hwlro && 1419 (if_getcapenable(ifp) & IFCAP_LRO) && 1420 (if_getcapenable(ifp) & IFCAP_RXCSUM) && 1421 (if_getcapenable(ifp) & IFCAP_RXCSUM_IPV6)) 1422 lio_set_feature(ifp, LIO_CMD_LRO_ENABLE, 1423 LIO_LROIPV4 | LIO_LROIPV6); 1424 1425 if ((if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER)) 1426 lio_set_feature(ifp, LIO_CMD_VLAN_FILTER_CTL, 1); 1427 else 1428 lio_set_feature(ifp, LIO_CMD_VLAN_FILTER_CTL, 0); 1429 1430 if (lio_setup_rx_oom_poll_fn(ifp)) 1431 goto setup_nic_dev_fail; 1432 1433 lio_dev_dbg(octeon_dev, "Setup NIC ifidx:%d mac:%02x%02x%02x%02x%02x%02x\n", 1434 i, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); 1435 lio->link_changes++; 1436 1437 lio_ifstate_set(lio, LIO_IFSTATE_REGISTERED); 1438 1439 /* 1440 * Sending command to firmware to enable Rx checksum offload 1441 * by default at the time of setup of Liquidio driver for 1442 * this device 1443 */ 1444 lio_set_rxcsum_command(ifp, LIO_CMD_TNL_RX_CSUM_CTL, 1445 LIO_CMD_RXCSUM_ENABLE); 1446 lio_set_feature(ifp, LIO_CMD_TNL_TX_CSUM_CTL, 1447 LIO_CMD_TXCSUM_ENABLE); 1448 1449 #ifdef RSS 1450 if (lio_rss) { 1451 if (lio_send_rss_param(lio)) 1452 goto setup_nic_dev_fail; 1453 } else 1454 #endif /* RSS */ 1455 1456 lio_set_feature(ifp, LIO_CMD_SET_FNV, 1457 LIO_CMD_FNV_ENABLE); 1458 1459 lio_dev_dbg(octeon_dev, "NIC ifidx:%d Setup successful\n", i); 1460 1461 lio_free_soft_command(octeon_dev, sc); 1462 lio->vlan_attach = 1463 EVENTHANDLER_REGISTER(vlan_config, 1464 lio_vlan_rx_add_vid, lio, 1465 EVENTHANDLER_PRI_FIRST); 1466 lio->vlan_detach = 1467 EVENTHANDLER_REGISTER(vlan_unconfig, 1468 lio_vlan_rx_kill_vid, lio, 1469 EVENTHANDLER_PRI_FIRST); 1470 1471 /* Update stats periodically */ 1472 callout_init(&lio->stats_timer, 0); 1473 lio->stats_interval = LIO_DEFAULT_STATS_INTERVAL; 1474 1475 lio_add_hw_stats(lio); 1476 } 1477 1478 return (0); 1479 1480 setup_nic_dev_fail: 1481 1482 lio_free_soft_command(octeon_dev, sc); 1483 1484 while (i--) { 1485 lio_dev_err(octeon_dev, "NIC ifidx:%d Setup failed\n", i); 1486 lio_destroy_nic_device(octeon_dev, i); 1487 } 1488 1489 return (ENODEV); 1490 } 1491 1492 static int 1493 lio_link_info(struct lio_recv_info *recv_info, void *ptr) 1494 { 1495 struct octeon_device *oct = (struct octeon_device *)ptr; 1496 struct lio_recv_pkt *recv_pkt = recv_info->recv_pkt; 1497 union octeon_link_status *ls; 1498 int gmxport = 0, i; 1499 1500 lio_dev_dbg(oct, "%s Called\n", __func__); 1501 if (recv_pkt->buffer_size[0] != (sizeof(*ls) + LIO_DROQ_INFO_SIZE)) { 1502 lio_dev_err(oct, "Malformed NIC_INFO, len=%d, ifidx=%d\n", 1503 recv_pkt->buffer_size[0], 1504 recv_pkt->rh.r_nic_info.gmxport); 1505 goto nic_info_err; 1506 } 1507 gmxport = recv_pkt->rh.r_nic_info.gmxport; 1508 ls = (union octeon_link_status *)(recv_pkt->buffer_ptr[0]->m_data + 1509 LIO_DROQ_INFO_SIZE); 1510 lio_swap_8B_data((uint64_t *)ls, 1511 (sizeof(union octeon_link_status)) >> 3); 1512 1513 if (oct->props.gmxport == gmxport) 1514 lio_update_link_status(oct->props.ifp, ls); 1515 1516 nic_info_err: 1517 for (i = 0; i < recv_pkt->buffer_count; i++) 1518 lio_recv_buffer_free(recv_pkt->buffer_ptr[i]); 1519 1520 lio_free_recv_info(recv_info); 1521 return (0); 1522 } 1523 1524 void 1525 lio_free_mbuf(struct lio_instr_queue *iq, struct lio_mbuf_free_info *finfo) 1526 { 1527 1528 bus_dmamap_sync(iq->txtag, finfo->map, BUS_DMASYNC_POSTWRITE); 1529 bus_dmamap_unload(iq->txtag, finfo->map); 1530 m_freem(finfo->mb); 1531 } 1532 1533 void 1534 lio_free_sgmbuf(struct lio_instr_queue *iq, struct lio_mbuf_free_info *finfo) 1535 { 1536 struct lio_gather *g; 1537 struct octeon_device *oct; 1538 struct lio *lio; 1539 int iq_no; 1540 1541 g = finfo->g; 1542 iq_no = iq->txpciq.s.q_no; 1543 oct = iq->oct_dev; 1544 lio = if_getsoftc(oct->props.ifp); 1545 1546 mtx_lock(&lio->glist_lock[iq_no]); 1547 STAILQ_INSERT_TAIL(&lio->ghead[iq_no], &g->node, entries); 1548 mtx_unlock(&lio->glist_lock[iq_no]); 1549 1550 bus_dmamap_sync(iq->txtag, finfo->map, BUS_DMASYNC_POSTWRITE); 1551 bus_dmamap_unload(iq->txtag, finfo->map); 1552 m_freem(finfo->mb); 1553 } 1554 1555 static void 1556 lio_if_cfg_callback(struct octeon_device *oct, uint32_t status, void *buf) 1557 { 1558 struct lio_soft_command *sc = (struct lio_soft_command *)buf; 1559 struct lio_if_cfg_resp *resp; 1560 struct lio_if_cfg_context *ctx; 1561 1562 resp = (struct lio_if_cfg_resp *)sc->virtrptr; 1563 ctx = (struct lio_if_cfg_context *)sc->ctxptr; 1564 1565 oct = lio_get_device(ctx->octeon_id); 1566 if (resp->status) 1567 lio_dev_err(oct, "nic if cfg instruction failed. Status: %llx (0x%08x)\n", 1568 LIO_CAST64(resp->status), status); 1569 ctx->cond = 1; 1570 1571 snprintf(oct->fw_info.lio_firmware_version, 32, "%s", 1572 resp->cfg_info.lio_firmware_version); 1573 1574 /* 1575 * This barrier is required to be sure that the response has been 1576 * written fully before waking up the handler 1577 */ 1578 wmb(); 1579 } 1580 1581 static int 1582 lio_is_mac_changed(uint8_t *new, uint8_t *old) 1583 { 1584 1585 return ((new[0] != old[0]) || (new[1] != old[1]) || 1586 (new[2] != old[2]) || (new[3] != old[3]) || 1587 (new[4] != old[4]) || (new[5] != old[5])); 1588 } 1589 1590 void 1591 lio_open(void *arg) 1592 { 1593 struct lio *lio = arg; 1594 struct ifnet *ifp = lio->ifp; 1595 struct octeon_device *oct = lio->oct_dev; 1596 uint8_t *mac_new, mac_old[ETHER_HDR_LEN]; 1597 int ret = 0; 1598 1599 lio_ifstate_set(lio, LIO_IFSTATE_RUNNING); 1600 1601 /* Ready for link status updates */ 1602 lio->intf_open = 1; 1603 1604 lio_dev_info(oct, "Interface Open, ready for traffic\n"); 1605 1606 /* tell Octeon to start forwarding packets to host */ 1607 lio_send_rx_ctrl_cmd(lio, 1); 1608 1609 mac_new = IF_LLADDR(ifp); 1610 memcpy(mac_old, ((uint8_t *)&lio->linfo.hw_addr) + 2, ETHER_HDR_LEN); 1611 1612 if (lio_is_mac_changed(mac_new, mac_old)) { 1613 ret = lio_set_mac(ifp, mac_new); 1614 if (ret) 1615 lio_dev_err(oct, "MAC change failed, error: %d\n", ret); 1616 } 1617 1618 /* Now inform the stack we're ready */ 1619 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); 1620 1621 lio_dev_info(oct, "Interface is opened\n"); 1622 } 1623 1624 static int 1625 lio_set_rxcsum_command(struct ifnet *ifp, int command, uint8_t rx_cmd) 1626 { 1627 struct lio_ctrl_pkt nctrl; 1628 struct lio *lio = if_getsoftc(ifp); 1629 struct octeon_device *oct = lio->oct_dev; 1630 int ret = 0; 1631 1632 nctrl.ncmd.cmd64 = 0; 1633 nctrl.ncmd.s.cmd = command; 1634 nctrl.ncmd.s.param1 = rx_cmd; 1635 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; 1636 nctrl.wait_time = 100; 1637 nctrl.lio = lio; 1638 nctrl.cb_fn = lio_ctrl_cmd_completion; 1639 1640 ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl); 1641 if (ret < 0) { 1642 lio_dev_err(oct, "DEVFLAGS RXCSUM change failed in core(ret:0x%x)\n", 1643 ret); 1644 } 1645 1646 return (ret); 1647 } 1648 1649 static int 1650 lio_stop_nic_module(struct octeon_device *oct) 1651 { 1652 int i, j; 1653 struct lio *lio; 1654 1655 lio_dev_dbg(oct, "Stopping network interfaces\n"); 1656 if (!oct->ifcount) { 1657 lio_dev_err(oct, "Init for Octeon was not completed\n"); 1658 return (1); 1659 } 1660 1661 mtx_lock(&oct->cmd_resp_wqlock); 1662 oct->cmd_resp_state = LIO_DRV_OFFLINE; 1663 mtx_unlock(&oct->cmd_resp_wqlock); 1664 1665 for (i = 0; i < oct->ifcount; i++) { 1666 lio = if_getsoftc(oct->props.ifp); 1667 for (j = 0; j < oct->num_oqs; j++) 1668 lio_unregister_droq_ops(oct, 1669 lio->linfo.rxpciq[j].s.q_no); 1670 } 1671 1672 callout_drain(&lio->stats_timer); 1673 1674 for (i = 0; i < oct->ifcount; i++) 1675 lio_destroy_nic_device(oct, i); 1676 1677 lio_dev_dbg(oct, "Network interface stopped\n"); 1678 1679 return (0); 1680 } 1681 1682 static void 1683 lio_delete_glists(struct octeon_device *oct, struct lio *lio) 1684 { 1685 struct lio_gather *g; 1686 int i; 1687 1688 if (lio->glist_lock != NULL) { 1689 free((void *)lio->glist_lock, M_DEVBUF); 1690 lio->glist_lock = NULL; 1691 } 1692 1693 if (lio->ghead == NULL) 1694 return; 1695 1696 for (i = 0; i < lio->linfo.num_txpciq; i++) { 1697 do { 1698 g = (struct lio_gather *) 1699 lio_delete_first_node(&lio->ghead[i]); 1700 free(g, M_DEVBUF); 1701 } while (g); 1702 1703 if ((lio->glists_virt_base != NULL) && 1704 (lio->glists_virt_base[i] != NULL)) { 1705 lio_dma_free(lio->glist_entry_size * lio->tx_qsize, 1706 lio->glists_virt_base[i]); 1707 } 1708 } 1709 1710 free(lio->glists_virt_base, M_DEVBUF); 1711 lio->glists_virt_base = NULL; 1712 1713 free(lio->glists_dma_base, M_DEVBUF); 1714 lio->glists_dma_base = NULL; 1715 1716 free(lio->ghead, M_DEVBUF); 1717 lio->ghead = NULL; 1718 } 1719 1720 static int 1721 lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs) 1722 { 1723 struct lio_gather *g; 1724 int i, j; 1725 1726 lio->glist_lock = malloc(num_iqs * sizeof(*lio->glist_lock), M_DEVBUF, 1727 M_NOWAIT | M_ZERO); 1728 if (lio->glist_lock == NULL) 1729 return (1); 1730 1731 lio->ghead = malloc(num_iqs * sizeof(*lio->ghead), M_DEVBUF, 1732 M_NOWAIT | M_ZERO); 1733 if (lio->ghead == NULL) { 1734 free((void *)lio->glist_lock, M_DEVBUF); 1735 lio->glist_lock = NULL; 1736 return (1); 1737 } 1738 1739 lio->glist_entry_size = ROUNDUP8((ROUNDUP4(LIO_MAX_SG) >> 2) * 1740 LIO_SG_ENTRY_SIZE); 1741 /* 1742 * allocate memory to store virtual and dma base address of 1743 * per glist consistent memory 1744 */ 1745 lio->glists_virt_base = malloc(num_iqs * sizeof(void *), M_DEVBUF, 1746 M_NOWAIT | M_ZERO); 1747 lio->glists_dma_base = malloc(num_iqs * sizeof(vm_paddr_t), M_DEVBUF, 1748 M_NOWAIT | M_ZERO); 1749 if ((lio->glists_virt_base == NULL) || (lio->glists_dma_base == NULL)) { 1750 lio_delete_glists(oct, lio); 1751 return (1); 1752 } 1753 1754 for (i = 0; i < num_iqs; i++) { 1755 mtx_init(&lio->glist_lock[i], "glist_lock", NULL, MTX_DEF); 1756 1757 STAILQ_INIT(&lio->ghead[i]); 1758 1759 lio->glists_virt_base[i] = 1760 lio_dma_alloc(lio->glist_entry_size * lio->tx_qsize, 1761 (vm_paddr_t *)&lio->glists_dma_base[i]); 1762 if (lio->glists_virt_base[i] == NULL) { 1763 lio_delete_glists(oct, lio); 1764 return (1); 1765 } 1766 1767 for (j = 0; j < lio->tx_qsize; j++) { 1768 g = malloc(sizeof(*g), M_DEVBUF, M_NOWAIT | M_ZERO); 1769 if (g == NULL) 1770 break; 1771 1772 g->sg = (struct lio_sg_entry *) 1773 ((uint64_t)lio->glists_virt_base[i] + 1774 (j * lio->glist_entry_size)); 1775 g->sg_dma_ptr = (uint64_t)lio->glists_dma_base[i] + 1776 (j * lio->glist_entry_size); 1777 STAILQ_INSERT_TAIL(&lio->ghead[i], &g->node, entries); 1778 } 1779 1780 if (j != lio->tx_qsize) { 1781 lio_delete_glists(oct, lio); 1782 return (1); 1783 } 1784 } 1785 1786 return (0); 1787 } 1788 1789 void 1790 lio_stop(struct ifnet *ifp) 1791 { 1792 struct lio *lio = if_getsoftc(ifp); 1793 struct octeon_device *oct = lio->oct_dev; 1794 1795 lio_ifstate_reset(lio, LIO_IFSTATE_RUNNING); 1796 if_link_state_change(ifp, LINK_STATE_DOWN); 1797 1798 lio->intf_open = 0; 1799 lio->linfo.link.s.link_up = 0; 1800 lio->link_changes++; 1801 1802 lio_send_rx_ctrl_cmd(lio, 0); 1803 1804 /* Tell the stack that the interface is no longer active */ 1805 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); 1806 1807 lio_dev_info(oct, "Interface is stopped\n"); 1808 } 1809 1810 static void 1811 lio_check_rx_oom_status(struct lio *lio) 1812 { 1813 struct lio_droq *droq; 1814 struct octeon_device *oct = lio->oct_dev; 1815 int desc_refilled; 1816 int q, q_no = 0; 1817 1818 for (q = 0; q < oct->num_oqs; q++) { 1819 q_no = lio->linfo.rxpciq[q].s.q_no; 1820 droq = oct->droq[q_no]; 1821 if (droq == NULL) 1822 continue; 1823 if (lio_read_csr32(oct, droq->pkts_credit_reg) <= 0x40) { 1824 mtx_lock(&droq->lock); 1825 desc_refilled = lio_droq_refill(oct, droq); 1826 /* 1827 * Flush the droq descriptor data to memory to be sure 1828 * that when we update the credits the data in memory 1829 * is accurate. 1830 */ 1831 wmb(); 1832 lio_write_csr32(oct, droq->pkts_credit_reg, 1833 desc_refilled); 1834 /* make sure mmio write completes */ 1835 __compiler_membar(); 1836 mtx_unlock(&droq->lock); 1837 } 1838 } 1839 } 1840 1841 static void 1842 lio_poll_check_rx_oom_status(void *arg, int pending __unused) 1843 { 1844 struct lio_tq *rx_status_tq = arg; 1845 struct lio *lio = rx_status_tq->ctxptr; 1846 1847 if (lio_ifstate_check(lio, LIO_IFSTATE_RUNNING)) 1848 lio_check_rx_oom_status(lio); 1849 1850 taskqueue_enqueue_timeout(rx_status_tq->tq, &rx_status_tq->work, 1851 lio_ms_to_ticks(50)); 1852 } 1853 1854 static int 1855 lio_setup_rx_oom_poll_fn(struct ifnet *ifp) 1856 { 1857 struct lio *lio = if_getsoftc(ifp); 1858 struct octeon_device *oct = lio->oct_dev; 1859 struct lio_tq *rx_status_tq; 1860 1861 rx_status_tq = &lio->rx_status_tq; 1862 1863 rx_status_tq->tq = taskqueue_create("lio_rx_oom_status", M_WAITOK, 1864 taskqueue_thread_enqueue, 1865 &rx_status_tq->tq); 1866 if (rx_status_tq->tq == NULL) { 1867 lio_dev_err(oct, "unable to create lio rx oom status tq\n"); 1868 return (-1); 1869 } 1870 1871 TIMEOUT_TASK_INIT(rx_status_tq->tq, &rx_status_tq->work, 0, 1872 lio_poll_check_rx_oom_status, (void *)rx_status_tq); 1873 1874 rx_status_tq->ctxptr = lio; 1875 1876 taskqueue_start_threads(&rx_status_tq->tq, 1, PI_NET, 1877 "lio%d_rx_oom_status", 1878 oct->octeon_id); 1879 1880 taskqueue_enqueue_timeout(rx_status_tq->tq, &rx_status_tq->work, 1881 lio_ms_to_ticks(50)); 1882 1883 return (0); 1884 } 1885 1886 static void 1887 lio_cleanup_rx_oom_poll_fn(struct ifnet *ifp) 1888 { 1889 struct lio *lio = if_getsoftc(ifp); 1890 1891 if (lio->rx_status_tq.tq != NULL) { 1892 while (taskqueue_cancel_timeout(lio->rx_status_tq.tq, 1893 &lio->rx_status_tq.work, NULL)) 1894 taskqueue_drain_timeout(lio->rx_status_tq.tq, 1895 &lio->rx_status_tq.work); 1896 1897 taskqueue_free(lio->rx_status_tq.tq); 1898 1899 lio->rx_status_tq.tq = NULL; 1900 } 1901 } 1902 1903 static void 1904 lio_destroy_nic_device(struct octeon_device *oct, int ifidx) 1905 { 1906 struct ifnet *ifp = oct->props.ifp; 1907 struct lio *lio; 1908 1909 if (ifp == NULL) { 1910 lio_dev_err(oct, "%s No ifp ptr for index %d\n", 1911 __func__, ifidx); 1912 return; 1913 } 1914 1915 lio = if_getsoftc(ifp); 1916 1917 lio_ifstate_set(lio, LIO_IFSTATE_DETACH); 1918 1919 lio_dev_dbg(oct, "NIC device cleanup\n"); 1920 1921 if (atomic_load_acq_int(&lio->ifstate) & LIO_IFSTATE_RUNNING) 1922 lio_stop(ifp); 1923 1924 if (lio_wait_for_pending_requests(oct)) 1925 lio_dev_err(oct, "There were pending requests\n"); 1926 1927 if (lio_wait_for_instr_fetch(oct)) 1928 lio_dev_err(oct, "IQ had pending instructions\n"); 1929 1930 if (lio_wait_for_oq_pkts(oct)) 1931 lio_dev_err(oct, "OQ had pending packets\n"); 1932 1933 if (atomic_load_acq_int(&lio->ifstate) & LIO_IFSTATE_REGISTERED) 1934 ether_ifdetach(ifp); 1935 1936 lio_tcp_lro_free(oct, ifp); 1937 1938 lio_cleanup_rx_oom_poll_fn(ifp); 1939 1940 lio_delete_glists(oct, lio); 1941 1942 EVENTHANDLER_DEREGISTER(vlan_config, lio->vlan_attach); 1943 EVENTHANDLER_DEREGISTER(vlan_unconfig, lio->vlan_detach); 1944 1945 free(lio, M_DEVBUF); 1946 1947 if_free(ifp); 1948 1949 oct->props.gmxport = -1; 1950 1951 oct->props.ifp = NULL; 1952 } 1953 1954 static void 1955 print_link_info(struct ifnet *ifp) 1956 { 1957 struct lio *lio = if_getsoftc(ifp); 1958 1959 if (!lio_ifstate_check(lio, LIO_IFSTATE_RESETTING) && 1960 lio_ifstate_check(lio, LIO_IFSTATE_REGISTERED)) { 1961 struct octeon_link_info *linfo = &lio->linfo; 1962 1963 if (linfo->link.s.link_up) { 1964 lio_dev_info(lio->oct_dev, "%d Mbps %s Duplex UP\n", 1965 linfo->link.s.speed, 1966 (linfo->link.s.duplex) ? "Full" : "Half"); 1967 } else { 1968 lio_dev_info(lio->oct_dev, "Link Down\n"); 1969 } 1970 } 1971 } 1972 1973 static inline void 1974 lio_update_link_status(struct ifnet *ifp, union octeon_link_status *ls) 1975 { 1976 struct lio *lio = if_getsoftc(ifp); 1977 int changed = (lio->linfo.link.link_status64 != ls->link_status64); 1978 1979 lio->linfo.link.link_status64 = ls->link_status64; 1980 1981 if ((lio->intf_open) && (changed)) { 1982 print_link_info(ifp); 1983 lio->link_changes++; 1984 if (lio->linfo.link.s.link_up) 1985 if_link_state_change(ifp, LINK_STATE_UP); 1986 else 1987 if_link_state_change(ifp, LINK_STATE_DOWN); 1988 } 1989 } 1990 1991 /* 1992 * \brief Callback for rx ctrl 1993 * @param status status of request 1994 * @param buf pointer to resp structure 1995 */ 1996 static void 1997 lio_rx_ctl_callback(struct octeon_device *oct, uint32_t status, void *buf) 1998 { 1999 struct lio_soft_command *sc = (struct lio_soft_command *)buf; 2000 struct lio_rx_ctl_context *ctx; 2001 2002 ctx = (struct lio_rx_ctl_context *)sc->ctxptr; 2003 2004 oct = lio_get_device(ctx->octeon_id); 2005 if (status) 2006 lio_dev_err(oct, "rx ctl instruction failed. Status: %llx\n", 2007 LIO_CAST64(status)); 2008 ctx->cond = 1; 2009 2010 /* 2011 * This barrier is required to be sure that the response has been 2012 * written fully before waking up the handler 2013 */ 2014 wmb(); 2015 } 2016 2017 static void 2018 lio_send_rx_ctrl_cmd(struct lio *lio, int start_stop) 2019 { 2020 struct lio_soft_command *sc; 2021 struct lio_rx_ctl_context *ctx; 2022 union octeon_cmd *ncmd; 2023 struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; 2024 int ctx_size = sizeof(struct lio_rx_ctl_context); 2025 int retval; 2026 2027 if (oct->props.rx_on == start_stop) 2028 return; 2029 2030 sc = lio_alloc_soft_command(oct, OCTEON_CMD_SIZE, 16, ctx_size); 2031 if (sc == NULL) 2032 return; 2033 2034 ncmd = (union octeon_cmd *)sc->virtdptr; 2035 ctx = (struct lio_rx_ctl_context *)sc->ctxptr; 2036 2037 ctx->cond = 0; 2038 ctx->octeon_id = lio_get_device_id(oct); 2039 ncmd->cmd64 = 0; 2040 ncmd->s.cmd = LIO_CMD_RX_CTL; 2041 ncmd->s.param1 = start_stop; 2042 2043 lio_swap_8B_data((uint64_t *)ncmd, (OCTEON_CMD_SIZE >> 3)); 2044 2045 sc->iq_no = lio->linfo.txpciq[0].s.q_no; 2046 2047 lio_prepare_soft_command(oct, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_CMD, 0, 2048 0, 0); 2049 2050 sc->callback = lio_rx_ctl_callback; 2051 sc->callback_arg = sc; 2052 sc->wait_time = 5000; 2053 2054 retval = lio_send_soft_command(oct, sc); 2055 if (retval == LIO_IQ_SEND_FAILED) { 2056 lio_dev_err(oct, "Failed to send RX Control message\n"); 2057 } else { 2058 /* 2059 * Sleep on a wait queue till the cond flag indicates that the 2060 * response arrived or timed-out. 2061 */ 2062 lio_sleep_cond(oct, &ctx->cond); 2063 oct->props.rx_on = start_stop; 2064 } 2065 2066 lio_free_soft_command(oct, sc); 2067 } 2068 2069 static void 2070 lio_vlan_rx_add_vid(void *arg, struct ifnet *ifp, uint16_t vid) 2071 { 2072 struct lio_ctrl_pkt nctrl; 2073 struct lio *lio = if_getsoftc(ifp); 2074 struct octeon_device *oct = lio->oct_dev; 2075 int ret = 0; 2076 2077 if (if_getsoftc(ifp) != arg) /* Not our event */ 2078 return; 2079 2080 if ((vid == 0) || (vid > 4095)) /* Invalid */ 2081 return; 2082 2083 bzero(&nctrl, sizeof(struct lio_ctrl_pkt)); 2084 2085 nctrl.ncmd.cmd64 = 0; 2086 nctrl.ncmd.s.cmd = LIO_CMD_ADD_VLAN_FILTER; 2087 nctrl.ncmd.s.param1 = vid; 2088 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; 2089 nctrl.wait_time = 100; 2090 nctrl.lio = lio; 2091 nctrl.cb_fn = lio_ctrl_cmd_completion; 2092 2093 ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl); 2094 if (ret < 0) { 2095 lio_dev_err(oct, "Add VLAN filter failed in core (ret: 0x%x)\n", 2096 ret); 2097 } 2098 } 2099 2100 static void 2101 lio_vlan_rx_kill_vid(void *arg, struct ifnet *ifp, uint16_t vid) 2102 { 2103 struct lio_ctrl_pkt nctrl; 2104 struct lio *lio = if_getsoftc(ifp); 2105 struct octeon_device *oct = lio->oct_dev; 2106 int ret = 0; 2107 2108 if (if_getsoftc(ifp) != arg) /* Not our event */ 2109 return; 2110 2111 if ((vid == 0) || (vid > 4095)) /* Invalid */ 2112 return; 2113 2114 bzero(&nctrl, sizeof(struct lio_ctrl_pkt)); 2115 2116 nctrl.ncmd.cmd64 = 0; 2117 nctrl.ncmd.s.cmd = LIO_CMD_DEL_VLAN_FILTER; 2118 nctrl.ncmd.s.param1 = vid; 2119 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; 2120 nctrl.wait_time = 100; 2121 nctrl.lio = lio; 2122 nctrl.cb_fn = lio_ctrl_cmd_completion; 2123 2124 ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl); 2125 if (ret < 0) { 2126 lio_dev_err(oct, 2127 "Kill VLAN filter failed in core (ret: 0x%x)\n", 2128 ret); 2129 } 2130 } 2131 2132 static int 2133 lio_wait_for_oq_pkts(struct octeon_device *oct) 2134 { 2135 int i, pending_pkts, pkt_cnt = 0, retry = 100; 2136 2137 do { 2138 pending_pkts = 0; 2139 2140 for (i = 0; i < LIO_MAX_OUTPUT_QUEUES(oct); i++) { 2141 if (!(oct->io_qmask.oq & BIT_ULL(i))) 2142 continue; 2143 2144 pkt_cnt = lio_droq_check_hw_for_pkts(oct->droq[i]); 2145 if (pkt_cnt > 0) { 2146 pending_pkts += pkt_cnt; 2147 taskqueue_enqueue(oct->droq[i]->droq_taskqueue, 2148 &oct->droq[i]->droq_task); 2149 } 2150 } 2151 2152 pkt_cnt = 0; 2153 lio_sleep_timeout(1); 2154 } while (retry-- && pending_pkts); 2155 2156 return (pkt_cnt); 2157 } 2158 2159 static void 2160 lio_destroy_resources(struct octeon_device *oct) 2161 { 2162 int i, refcount; 2163 2164 switch (atomic_load_acq_int(&oct->status)) { 2165 case LIO_DEV_RUNNING: 2166 case LIO_DEV_CORE_OK: 2167 /* No more instructions will be forwarded. */ 2168 atomic_store_rel_int(&oct->status, LIO_DEV_IN_RESET); 2169 2170 oct->app_mode = LIO_DRV_INVALID_APP; 2171 lio_dev_dbg(oct, "Device state is now %s\n", 2172 lio_get_state_string(&oct->status)); 2173 2174 lio_sleep_timeout(100); 2175 2176 /* fallthrough */ 2177 case LIO_DEV_HOST_OK: 2178 2179 /* fallthrough */ 2180 case LIO_DEV_CONSOLE_INIT_DONE: 2181 /* Remove any consoles */ 2182 lio_remove_consoles(oct); 2183 2184 /* fallthrough */ 2185 case LIO_DEV_IO_QUEUES_DONE: 2186 if (lio_wait_for_pending_requests(oct)) 2187 lio_dev_err(oct, "There were pending requests\n"); 2188 2189 if (lio_wait_for_instr_fetch(oct)) 2190 lio_dev_err(oct, "IQ had pending instructions\n"); 2191 2192 /* 2193 * Disable the input and output queues now. No more packets will 2194 * arrive from Octeon, but we should wait for all packet 2195 * processing to finish. 2196 */ 2197 oct->fn_list.disable_io_queues(oct); 2198 2199 if (lio_wait_for_oq_pkts(oct)) 2200 lio_dev_err(oct, "OQ had pending packets\n"); 2201 2202 /* fallthrough */ 2203 case LIO_DEV_INTR_SET_DONE: 2204 /* Disable interrupts */ 2205 oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); 2206 2207 if (oct->msix_on) { 2208 for (i = 0; i < oct->num_msix_irqs - 1; i++) { 2209 if (oct->ioq_vector[i].tag != NULL) { 2210 bus_teardown_intr(oct->device, 2211 oct->ioq_vector[i].msix_res, 2212 oct->ioq_vector[i].tag); 2213 oct->ioq_vector[i].tag = NULL; 2214 } 2215 if (oct->ioq_vector[i].msix_res != NULL) { 2216 bus_release_resource(oct->device, 2217 SYS_RES_IRQ, 2218 oct->ioq_vector[i].vector, 2219 oct->ioq_vector[i].msix_res); 2220 oct->ioq_vector[i].msix_res = NULL; 2221 } 2222 } 2223 /* non-iov vector's argument is oct struct */ 2224 if (oct->tag != NULL) { 2225 bus_teardown_intr(oct->device, oct->msix_res, 2226 oct->tag); 2227 oct->tag = NULL; 2228 } 2229 2230 if (oct->msix_res != NULL) { 2231 bus_release_resource(oct->device, SYS_RES_IRQ, 2232 oct->aux_vector, 2233 oct->msix_res); 2234 oct->msix_res = NULL; 2235 } 2236 2237 pci_release_msi(oct->device); 2238 } 2239 /* fallthrough */ 2240 case LIO_DEV_IN_RESET: 2241 case LIO_DEV_DROQ_INIT_DONE: 2242 /* Wait for any pending operations */ 2243 lio_mdelay(100); 2244 for (i = 0; i < LIO_MAX_OUTPUT_QUEUES(oct); i++) { 2245 if (!(oct->io_qmask.oq & BIT_ULL(i))) 2246 continue; 2247 lio_delete_droq(oct, i); 2248 } 2249 2250 /* fallthrough */ 2251 case LIO_DEV_RESP_LIST_INIT_DONE: 2252 for (i = 0; i < LIO_MAX_POSSIBLE_OUTPUT_QUEUES; i++) { 2253 if (oct->droq[i] != NULL) { 2254 free(oct->droq[i], M_DEVBUF); 2255 oct->droq[i] = NULL; 2256 } 2257 } 2258 lio_delete_response_list(oct); 2259 2260 /* fallthrough */ 2261 case LIO_DEV_INSTR_QUEUE_INIT_DONE: 2262 for (i = 0; i < LIO_MAX_INSTR_QUEUES(oct); i++) { 2263 if (!(oct->io_qmask.iq & BIT_ULL(i))) 2264 continue; 2265 2266 lio_delete_instr_queue(oct, i); 2267 } 2268 2269 /* fallthrough */ 2270 case LIO_DEV_MSIX_ALLOC_VECTOR_DONE: 2271 for (i = 0; i < LIO_MAX_POSSIBLE_INSTR_QUEUES; i++) { 2272 if (oct->instr_queue[i] != NULL) { 2273 free(oct->instr_queue[i], M_DEVBUF); 2274 oct->instr_queue[i] = NULL; 2275 } 2276 } 2277 lio_free_ioq_vector(oct); 2278 2279 /* fallthrough */ 2280 case LIO_DEV_SC_BUFF_POOL_INIT_DONE: 2281 lio_free_sc_buffer_pool(oct); 2282 2283 /* fallthrough */ 2284 case LIO_DEV_DISPATCH_INIT_DONE: 2285 lio_delete_dispatch_list(oct); 2286 2287 /* fallthrough */ 2288 case LIO_DEV_PCI_MAP_DONE: 2289 refcount = lio_deregister_device(oct); 2290 2291 if (fw_type_is_none()) 2292 lio_pci_flr(oct); 2293 2294 if (!refcount) 2295 oct->fn_list.soft_reset(oct); 2296 2297 lio_unmap_pci_barx(oct, 0); 2298 lio_unmap_pci_barx(oct, 1); 2299 2300 /* fallthrough */ 2301 case LIO_DEV_PCI_ENABLE_DONE: 2302 /* Disable the device, releasing the PCI INT */ 2303 pci_disable_busmaster(oct->device); 2304 2305 /* fallthrough */ 2306 case LIO_DEV_BEGIN_STATE: 2307 break; 2308 } /* end switch (oct->status) */ 2309 } 2310