1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013-2016 Qlogic Corporation 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 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * and ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * File: ql_os.c 32 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 39 #include "ql_os.h" 40 #include "ql_hw.h" 41 #include "ql_def.h" 42 #include "ql_inline.h" 43 #include "ql_ver.h" 44 #include "ql_glbl.h" 45 #include "ql_dbg.h" 46 #include <sys/smp.h> 47 48 /* 49 * Some PCI Configuration Space Related Defines 50 */ 51 52 #ifndef PCI_VENDOR_QLOGIC 53 #define PCI_VENDOR_QLOGIC 0x1077 54 #endif 55 56 #ifndef PCI_PRODUCT_QLOGIC_ISP8030 57 #define PCI_PRODUCT_QLOGIC_ISP8030 0x8030 58 #endif 59 60 #define PCI_QLOGIC_ISP8030 \ 61 ((PCI_PRODUCT_QLOGIC_ISP8030 << 16) | PCI_VENDOR_QLOGIC) 62 63 /* 64 * static functions 65 */ 66 static int qla_alloc_parent_dma_tag(qla_host_t *ha); 67 static void qla_free_parent_dma_tag(qla_host_t *ha); 68 static int qla_alloc_xmt_bufs(qla_host_t *ha); 69 static void qla_free_xmt_bufs(qla_host_t *ha); 70 static int qla_alloc_rcv_bufs(qla_host_t *ha); 71 static void qla_free_rcv_bufs(qla_host_t *ha); 72 static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb); 73 74 static void qla_init_ifnet(device_t dev, qla_host_t *ha); 75 static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS); 76 static void qla_release(qla_host_t *ha); 77 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, 78 int error); 79 static void qla_stop(qla_host_t *ha); 80 static void qla_get_peer(qla_host_t *ha); 81 static void qla_error_recovery(void *context, int pending); 82 static void qla_async_event(void *context, int pending); 83 static void qla_stats(void *context, int pending); 84 static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx, 85 uint32_t iscsi_pdu); 86 87 /* 88 * Hooks to the Operating Systems 89 */ 90 static int qla_pci_probe (device_t); 91 static int qla_pci_attach (device_t); 92 static int qla_pci_detach (device_t); 93 94 static void qla_init(void *arg); 95 static int qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); 96 static int qla_media_change(struct ifnet *ifp); 97 static void qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr); 98 99 static int qla_transmit(struct ifnet *ifp, struct mbuf *mp); 100 static void qla_qflush(struct ifnet *ifp); 101 static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp); 102 static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp); 103 static int qla_create_fp_taskqueues(qla_host_t *ha); 104 static void qla_destroy_fp_taskqueues(qla_host_t *ha); 105 static void qla_drain_fp_taskqueues(qla_host_t *ha); 106 107 static device_method_t qla_pci_methods[] = { 108 /* Device interface */ 109 DEVMETHOD(device_probe, qla_pci_probe), 110 DEVMETHOD(device_attach, qla_pci_attach), 111 DEVMETHOD(device_detach, qla_pci_detach), 112 { 0, 0 } 113 }; 114 115 static driver_t qla_pci_driver = { 116 "ql", qla_pci_methods, sizeof (qla_host_t), 117 }; 118 119 static devclass_t qla83xx_devclass; 120 121 DRIVER_MODULE(qla83xx, pci, qla_pci_driver, qla83xx_devclass, 0, 0); 122 123 MODULE_DEPEND(qla83xx, pci, 1, 1, 1); 124 MODULE_DEPEND(qla83xx, ether, 1, 1, 1); 125 126 MALLOC_DEFINE(M_QLA83XXBUF, "qla83xxbuf", "Buffers for qla83xx driver"); 127 128 #define QL_STD_REPLENISH_THRES 0 129 #define QL_JUMBO_REPLENISH_THRES 32 130 131 132 static char dev_str[64]; 133 static char ver_str[64]; 134 135 /* 136 * Name: qla_pci_probe 137 * Function: Validate the PCI device to be a QLA80XX device 138 */ 139 static int 140 qla_pci_probe(device_t dev) 141 { 142 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) { 143 case PCI_QLOGIC_ISP8030: 144 snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d", 145 "Qlogic ISP 83xx PCI CNA Adapter-Ethernet Function", 146 QLA_VERSION_MAJOR, QLA_VERSION_MINOR, 147 QLA_VERSION_BUILD); 148 snprintf(ver_str, sizeof(ver_str), "v%d.%d.%d", 149 QLA_VERSION_MAJOR, QLA_VERSION_MINOR, 150 QLA_VERSION_BUILD); 151 device_set_desc(dev, dev_str); 152 break; 153 default: 154 return (ENXIO); 155 } 156 157 if (bootverbose) 158 printf("%s: %s\n ", __func__, dev_str); 159 160 return (BUS_PROBE_DEFAULT); 161 } 162 163 static void 164 qla_add_sysctls(qla_host_t *ha) 165 { 166 device_t dev = ha->pci_dev; 167 168 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 169 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 170 OID_AUTO, "version", CTLFLAG_RD, 171 ver_str, 0, "Driver Version"); 172 173 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 174 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 175 OID_AUTO, "fw_version", CTLFLAG_RD, 176 ha->fw_ver_str, 0, "firmware version"); 177 178 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 179 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 180 "link_status", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 181 (void *)ha, 0, qla_sysctl_get_link_status, "I", "Link Status"); 182 183 ha->dbg_level = 0; 184 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 185 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 186 OID_AUTO, "debug", CTLFLAG_RW, 187 &ha->dbg_level, ha->dbg_level, "Debug Level"); 188 189 ha->enable_minidump = 1; 190 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 191 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 192 OID_AUTO, "enable_minidump", CTLFLAG_RW, 193 &ha->enable_minidump, ha->enable_minidump, 194 "Minidump retrival prior to error recovery " 195 "is enabled only when this is set"); 196 197 ha->enable_driverstate_dump = 1; 198 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 199 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 200 OID_AUTO, "enable_driverstate_dump", CTLFLAG_RW, 201 &ha->enable_driverstate_dump, ha->enable_driverstate_dump, 202 "Driver State retrival prior to error recovery " 203 "is enabled only when this is set"); 204 205 ha->enable_error_recovery = 1; 206 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 207 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 208 OID_AUTO, "enable_error_recovery", CTLFLAG_RW, 209 &ha->enable_error_recovery, ha->enable_error_recovery, 210 "when set error recovery is enabled on fatal errors " 211 "otherwise the port is turned offline"); 212 213 ha->ms_delay_after_init = 1000; 214 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 215 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 216 OID_AUTO, "ms_delay_after_init", CTLFLAG_RW, 217 &ha->ms_delay_after_init, ha->ms_delay_after_init, 218 "millisecond delay after hw_init"); 219 220 ha->std_replenish = QL_STD_REPLENISH_THRES; 221 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 222 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 223 OID_AUTO, "std_replenish", CTLFLAG_RW, 224 &ha->std_replenish, ha->std_replenish, 225 "Threshold for Replenishing Standard Frames"); 226 227 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), 228 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 229 OID_AUTO, "ipv4_lro", 230 CTLFLAG_RD, &ha->ipv4_lro, 231 "number of ipv4 lro completions"); 232 233 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), 234 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 235 OID_AUTO, "ipv6_lro", 236 CTLFLAG_RD, &ha->ipv6_lro, 237 "number of ipv6 lro completions"); 238 239 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), 240 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 241 OID_AUTO, "tx_tso_frames", 242 CTLFLAG_RD, &ha->tx_tso_frames, 243 "number of Tx TSO Frames"); 244 245 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), 246 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 247 OID_AUTO, "hw_vlan_tx_frames", 248 CTLFLAG_RD, &ha->hw_vlan_tx_frames, 249 "number of Tx VLAN Frames"); 250 251 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), 252 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 253 OID_AUTO, "hw_lock_failed", 254 CTLFLAG_RD, &ha->hw_lock_failed, 255 "number of hw_lock failures"); 256 257 return; 258 } 259 260 static void 261 qla_watchdog(void *arg) 262 { 263 qla_host_t *ha = arg; 264 qla_hw_t *hw; 265 struct ifnet *ifp; 266 267 hw = &ha->hw; 268 ifp = ha->ifp; 269 270 if (ha->qla_watchdog_exit) { 271 ha->qla_watchdog_exited = 1; 272 return; 273 } 274 ha->qla_watchdog_exited = 0; 275 276 if (!ha->qla_watchdog_pause) { 277 if (!ha->offline && 278 (ql_hw_check_health(ha) || ha->qla_initiate_recovery || 279 (ha->msg_from_peer == QL_PEER_MSG_RESET))) { 280 281 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 282 ql_update_link_state(ha); 283 284 if (ha->enable_error_recovery) { 285 ha->qla_watchdog_paused = 1; 286 ha->qla_watchdog_pause = 1; 287 ha->err_inject = 0; 288 device_printf(ha->pci_dev, 289 "%s: taskqueue_enqueue(err_task) \n", 290 __func__); 291 taskqueue_enqueue(ha->err_tq, &ha->err_task); 292 } else { 293 if (ifp != NULL) 294 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 295 ha->offline = 1; 296 } 297 return; 298 299 } else { 300 if (ha->qla_interface_up) { 301 302 ha->watchdog_ticks++; 303 304 if (ha->watchdog_ticks > 1000) 305 ha->watchdog_ticks = 0; 306 307 if (!ha->watchdog_ticks && QL_RUNNING(ifp)) { 308 taskqueue_enqueue(ha->stats_tq, 309 &ha->stats_task); 310 } 311 312 if (ha->async_event) { 313 taskqueue_enqueue(ha->async_event_tq, 314 &ha->async_event_task); 315 } 316 317 } 318 ha->qla_watchdog_paused = 0; 319 } 320 } else { 321 ha->qla_watchdog_paused = 1; 322 } 323 324 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 325 qla_watchdog, ha); 326 } 327 328 /* 329 * Name: qla_pci_attach 330 * Function: attaches the device to the operating system 331 */ 332 static int 333 qla_pci_attach(device_t dev) 334 { 335 qla_host_t *ha = NULL; 336 uint32_t rsrc_len; 337 int i; 338 uint32_t num_rcvq = 0; 339 340 if ((ha = device_get_softc(dev)) == NULL) { 341 device_printf(dev, "cannot get softc\n"); 342 return (ENOMEM); 343 } 344 345 memset(ha, 0, sizeof (qla_host_t)); 346 347 if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) { 348 device_printf(dev, "device is not ISP8030\n"); 349 return (ENXIO); 350 } 351 352 ha->pci_func = pci_get_function(dev) & 0x1; 353 354 ha->pci_dev = dev; 355 356 pci_enable_busmaster(dev); 357 358 ha->reg_rid = PCIR_BAR(0); 359 ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid, 360 RF_ACTIVE); 361 362 if (ha->pci_reg == NULL) { 363 device_printf(dev, "unable to map any ports\n"); 364 goto qla_pci_attach_err; 365 } 366 367 rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY, 368 ha->reg_rid); 369 370 mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF); 371 mtx_init(&ha->sp_log_lock, "qla83xx_sp_log_lock", MTX_NETWORK_LOCK, MTX_DEF); 372 ha->flags.lock_init = 1; 373 374 qla_add_sysctls(ha); 375 376 ha->hw.num_sds_rings = MAX_SDS_RINGS; 377 ha->hw.num_rds_rings = MAX_RDS_RINGS; 378 ha->hw.num_tx_rings = NUM_TX_RINGS; 379 380 ha->reg_rid1 = PCIR_BAR(2); 381 ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 382 &ha->reg_rid1, RF_ACTIVE); 383 384 ha->msix_count = pci_msix_count(dev); 385 386 if (ha->msix_count < 1 ) { 387 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__, 388 ha->msix_count); 389 goto qla_pci_attach_err; 390 } 391 392 if (ha->msix_count < (ha->hw.num_sds_rings + 1)) { 393 ha->hw.num_sds_rings = ha->msix_count - 1; 394 } 395 396 QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x" 397 " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha, 398 ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg, 399 ha->pci_reg1)); 400 401 /* initialize hardware */ 402 if (ql_init_hw(ha)) { 403 device_printf(dev, "%s: ql_init_hw failed\n", __func__); 404 goto qla_pci_attach_err; 405 } 406 407 device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__, 408 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, 409 ha->fw_ver_build); 410 snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d", 411 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, 412 ha->fw_ver_build); 413 414 if (qla_get_nic_partition(ha, NULL, &num_rcvq)) { 415 device_printf(dev, "%s: qla_get_nic_partition failed\n", 416 __func__); 417 goto qla_pci_attach_err; 418 } 419 device_printf(dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x" 420 " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n", 421 __func__, ha, ha->pci_func, rsrc_len, ha->msix_count, 422 ha->pci_reg, ha->pci_reg1, num_rcvq); 423 424 if ((ha->msix_count < 64) || (num_rcvq != 32)) { 425 if (ha->hw.num_sds_rings > 15) { 426 ha->hw.num_sds_rings = 15; 427 } 428 } 429 430 ha->hw.num_rds_rings = ha->hw.num_sds_rings; 431 ha->hw.num_tx_rings = ha->hw.num_sds_rings; 432 433 #ifdef QL_ENABLE_ISCSI_TLV 434 ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2; 435 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */ 436 437 ql_hw_add_sysctls(ha); 438 439 ha->msix_count = ha->hw.num_sds_rings + 1; 440 441 if (pci_alloc_msix(dev, &ha->msix_count)) { 442 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__, 443 ha->msix_count); 444 ha->msix_count = 0; 445 goto qla_pci_attach_err; 446 } 447 448 ha->mbx_irq_rid = 1; 449 ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 450 &ha->mbx_irq_rid, 451 (RF_ACTIVE | RF_SHAREABLE)); 452 if (ha->mbx_irq == NULL) { 453 device_printf(dev, "could not allocate mbx interrupt\n"); 454 goto qla_pci_attach_err; 455 } 456 if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE), 457 NULL, ql_mbx_isr, ha, &ha->mbx_handle)) { 458 device_printf(dev, "could not setup mbx interrupt\n"); 459 goto qla_pci_attach_err; 460 } 461 462 for (i = 0; i < ha->hw.num_sds_rings; i++) { 463 ha->irq_vec[i].sds_idx = i; 464 ha->irq_vec[i].ha = ha; 465 ha->irq_vec[i].irq_rid = 2 + i; 466 467 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 468 &ha->irq_vec[i].irq_rid, 469 (RF_ACTIVE | RF_SHAREABLE)); 470 471 if (ha->irq_vec[i].irq == NULL) { 472 device_printf(dev, "could not allocate interrupt\n"); 473 goto qla_pci_attach_err; 474 } 475 if (bus_setup_intr(dev, ha->irq_vec[i].irq, 476 (INTR_TYPE_NET | INTR_MPSAFE), 477 NULL, ql_isr, &ha->irq_vec[i], 478 &ha->irq_vec[i].handle)) { 479 device_printf(dev, "could not setup interrupt\n"); 480 goto qla_pci_attach_err; 481 } 482 483 ha->tx_fp[i].ha = ha; 484 ha->tx_fp[i].txr_idx = i; 485 486 if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) { 487 device_printf(dev, "%s: could not allocate tx_br[%d]\n", 488 __func__, i); 489 goto qla_pci_attach_err; 490 } 491 } 492 493 if (qla_create_fp_taskqueues(ha) != 0) 494 goto qla_pci_attach_err; 495 496 printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus, 497 ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count); 498 499 ql_read_mac_addr(ha); 500 501 /* allocate parent dma tag */ 502 if (qla_alloc_parent_dma_tag(ha)) { 503 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n", 504 __func__); 505 goto qla_pci_attach_err; 506 } 507 508 /* alloc all dma buffers */ 509 if (ql_alloc_dma(ha)) { 510 device_printf(dev, "%s: ql_alloc_dma failed\n", __func__); 511 goto qla_pci_attach_err; 512 } 513 qla_get_peer(ha); 514 515 if (ql_minidump_init(ha) != 0) { 516 device_printf(dev, "%s: ql_minidump_init failed\n", __func__); 517 goto qla_pci_attach_err; 518 } 519 ql_alloc_drvr_state_buffer(ha); 520 ql_alloc_sp_log_buffer(ha); 521 /* create the o.s ethernet interface */ 522 qla_init_ifnet(dev, ha); 523 524 ha->flags.qla_watchdog_active = 1; 525 ha->qla_watchdog_pause = 0; 526 527 callout_init(&ha->tx_callout, TRUE); 528 ha->flags.qla_callout_init = 1; 529 530 /* create ioctl device interface */ 531 if (ql_make_cdev(ha)) { 532 device_printf(dev, "%s: ql_make_cdev failed\n", __func__); 533 goto qla_pci_attach_err; 534 } 535 536 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 537 qla_watchdog, ha); 538 539 TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha); 540 ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT, 541 taskqueue_thread_enqueue, &ha->err_tq); 542 taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq", 543 device_get_nameunit(ha->pci_dev)); 544 545 TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha); 546 ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT, 547 taskqueue_thread_enqueue, &ha->async_event_tq); 548 taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq", 549 device_get_nameunit(ha->pci_dev)); 550 551 TASK_INIT(&ha->stats_task, 0, qla_stats, ha); 552 ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT, 553 taskqueue_thread_enqueue, &ha->stats_tq); 554 taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq", 555 device_get_nameunit(ha->pci_dev)); 556 557 QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__)); 558 return (0); 559 560 qla_pci_attach_err: 561 562 qla_release(ha); 563 564 if (ha->flags.lock_init) { 565 mtx_destroy(&ha->hw_lock); 566 mtx_destroy(&ha->sp_log_lock); 567 } 568 569 QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__)); 570 return (ENXIO); 571 } 572 573 /* 574 * Name: qla_pci_detach 575 * Function: Unhooks the device from the operating system 576 */ 577 static int 578 qla_pci_detach(device_t dev) 579 { 580 qla_host_t *ha = NULL; 581 struct ifnet *ifp; 582 583 584 if ((ha = device_get_softc(dev)) == NULL) { 585 device_printf(dev, "cannot get softc\n"); 586 return (ENOMEM); 587 } 588 589 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__)); 590 591 ifp = ha->ifp; 592 593 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 594 QLA_LOCK(ha, __func__, -1, 0); 595 596 ha->qla_detach_active = 1; 597 qla_stop(ha); 598 599 qla_release(ha); 600 601 QLA_UNLOCK(ha, __func__); 602 603 if (ha->flags.lock_init) { 604 mtx_destroy(&ha->hw_lock); 605 mtx_destroy(&ha->sp_log_lock); 606 } 607 608 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__)); 609 610 return (0); 611 } 612 613 /* 614 * SYSCTL Related Callbacks 615 */ 616 static int 617 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS) 618 { 619 int err, ret = 0; 620 qla_host_t *ha; 621 622 err = sysctl_handle_int(oidp, &ret, 0, req); 623 624 if (err || !req->newptr) 625 return (err); 626 627 if (ret == 1) { 628 ha = (qla_host_t *)arg1; 629 ql_hw_link_status(ha); 630 } 631 return (err); 632 } 633 634 /* 635 * Name: qla_release 636 * Function: Releases the resources allocated for the device 637 */ 638 static void 639 qla_release(qla_host_t *ha) 640 { 641 device_t dev; 642 int i; 643 644 dev = ha->pci_dev; 645 646 if (ha->async_event_tq) { 647 taskqueue_drain_all(ha->async_event_tq); 648 taskqueue_free(ha->async_event_tq); 649 } 650 651 if (ha->err_tq) { 652 taskqueue_drain_all(ha->err_tq); 653 taskqueue_free(ha->err_tq); 654 } 655 656 if (ha->stats_tq) { 657 taskqueue_drain_all(ha->stats_tq); 658 taskqueue_free(ha->stats_tq); 659 } 660 661 ql_del_cdev(ha); 662 663 if (ha->flags.qla_watchdog_active) { 664 ha->qla_watchdog_exit = 1; 665 666 while (ha->qla_watchdog_exited == 0) 667 qla_mdelay(__func__, 1); 668 } 669 670 if (ha->flags.qla_callout_init) 671 callout_stop(&ha->tx_callout); 672 673 if (ha->ifp != NULL) 674 ether_ifdetach(ha->ifp); 675 676 ql_free_drvr_state_buffer(ha); 677 ql_free_sp_log_buffer(ha); 678 ql_free_dma(ha); 679 qla_free_parent_dma_tag(ha); 680 681 if (ha->mbx_handle) 682 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle); 683 684 if (ha->mbx_irq) 685 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid, 686 ha->mbx_irq); 687 688 for (i = 0; i < ha->hw.num_sds_rings; i++) { 689 690 if (ha->irq_vec[i].handle) { 691 (void)bus_teardown_intr(dev, ha->irq_vec[i].irq, 692 ha->irq_vec[i].handle); 693 } 694 695 if (ha->irq_vec[i].irq) { 696 (void)bus_release_resource(dev, SYS_RES_IRQ, 697 ha->irq_vec[i].irq_rid, 698 ha->irq_vec[i].irq); 699 } 700 701 qla_free_tx_br(ha, &ha->tx_fp[i]); 702 } 703 qla_destroy_fp_taskqueues(ha); 704 705 if (ha->msix_count) 706 pci_release_msi(dev); 707 708 if (ha->pci_reg) 709 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid, 710 ha->pci_reg); 711 712 if (ha->pci_reg1) 713 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1, 714 ha->pci_reg1); 715 716 return; 717 } 718 719 /* 720 * DMA Related Functions 721 */ 722 723 static void 724 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 725 { 726 *((bus_addr_t *)arg) = 0; 727 728 if (error) { 729 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error); 730 return; 731 } 732 733 *((bus_addr_t *)arg) = segs[0].ds_addr; 734 735 return; 736 } 737 738 int 739 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) 740 { 741 int ret = 0; 742 device_t dev; 743 bus_addr_t b_addr; 744 745 dev = ha->pci_dev; 746 747 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__)); 748 749 ret = bus_dma_tag_create( 750 ha->parent_tag,/* parent */ 751 dma_buf->alignment, 752 ((bus_size_t)(1ULL << 32)),/* boundary */ 753 BUS_SPACE_MAXADDR, /* lowaddr */ 754 BUS_SPACE_MAXADDR, /* highaddr */ 755 NULL, NULL, /* filter, filterarg */ 756 dma_buf->size, /* maxsize */ 757 1, /* nsegments */ 758 dma_buf->size, /* maxsegsize */ 759 0, /* flags */ 760 NULL, NULL, /* lockfunc, lockarg */ 761 &dma_buf->dma_tag); 762 763 if (ret) { 764 device_printf(dev, "%s: could not create dma tag\n", __func__); 765 goto ql_alloc_dmabuf_exit; 766 } 767 ret = bus_dmamem_alloc(dma_buf->dma_tag, 768 (void **)&dma_buf->dma_b, 769 (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT), 770 &dma_buf->dma_map); 771 if (ret) { 772 bus_dma_tag_destroy(dma_buf->dma_tag); 773 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__); 774 goto ql_alloc_dmabuf_exit; 775 } 776 777 ret = bus_dmamap_load(dma_buf->dma_tag, 778 dma_buf->dma_map, 779 dma_buf->dma_b, 780 dma_buf->size, 781 qla_dmamap_callback, 782 &b_addr, BUS_DMA_NOWAIT); 783 784 if (ret || !b_addr) { 785 bus_dma_tag_destroy(dma_buf->dma_tag); 786 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, 787 dma_buf->dma_map); 788 ret = -1; 789 goto ql_alloc_dmabuf_exit; 790 } 791 792 dma_buf->dma_addr = b_addr; 793 794 ql_alloc_dmabuf_exit: 795 QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n", 796 __func__, ret, (void *)dma_buf->dma_tag, 797 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b, 798 dma_buf->size)); 799 800 return ret; 801 } 802 803 void 804 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) 805 { 806 bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map); 807 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map); 808 bus_dma_tag_destroy(dma_buf->dma_tag); 809 } 810 811 static int 812 qla_alloc_parent_dma_tag(qla_host_t *ha) 813 { 814 int ret; 815 device_t dev; 816 817 dev = ha->pci_dev; 818 819 /* 820 * Allocate parent DMA Tag 821 */ 822 ret = bus_dma_tag_create( 823 bus_get_dma_tag(dev), /* parent */ 824 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */ 825 BUS_SPACE_MAXADDR, /* lowaddr */ 826 BUS_SPACE_MAXADDR, /* highaddr */ 827 NULL, NULL, /* filter, filterarg */ 828 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 829 0, /* nsegments */ 830 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 831 0, /* flags */ 832 NULL, NULL, /* lockfunc, lockarg */ 833 &ha->parent_tag); 834 835 if (ret) { 836 device_printf(dev, "%s: could not create parent dma tag\n", 837 __func__); 838 return (-1); 839 } 840 841 ha->flags.parent_tag = 1; 842 843 return (0); 844 } 845 846 static void 847 qla_free_parent_dma_tag(qla_host_t *ha) 848 { 849 if (ha->flags.parent_tag) { 850 bus_dma_tag_destroy(ha->parent_tag); 851 ha->flags.parent_tag = 0; 852 } 853 } 854 855 /* 856 * Name: qla_init_ifnet 857 * Function: Creates the Network Device Interface and Registers it with the O.S 858 */ 859 860 static void 861 qla_init_ifnet(device_t dev, qla_host_t *ha) 862 { 863 struct ifnet *ifp; 864 865 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__)); 866 867 ifp = ha->ifp = if_alloc(IFT_ETHER); 868 869 if (ifp == NULL) 870 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev)); 871 872 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 873 874 ifp->if_baudrate = IF_Gbps(10); 875 ifp->if_capabilities = IFCAP_LINKSTATE; 876 ifp->if_mtu = ETHERMTU; 877 878 ifp->if_init = qla_init; 879 ifp->if_softc = ha; 880 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 881 ifp->if_ioctl = qla_ioctl; 882 883 ifp->if_transmit = qla_transmit; 884 ifp->if_qflush = qla_qflush; 885 886 IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha)); 887 ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha); 888 IFQ_SET_READY(&ifp->if_snd); 889 890 ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 891 892 ether_ifattach(ifp, qla_get_mac_addr(ha)); 893 894 ifp->if_capabilities |= IFCAP_HWCSUM | 895 IFCAP_TSO4 | 896 IFCAP_TSO6 | 897 IFCAP_JUMBO_MTU | 898 IFCAP_VLAN_HWTAGGING | 899 IFCAP_VLAN_MTU | 900 IFCAP_VLAN_HWTSO | 901 IFCAP_LRO; 902 903 ifp->if_capenable = ifp->if_capabilities; 904 905 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 906 907 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status); 908 909 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0, 910 NULL); 911 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL); 912 913 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO)); 914 915 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__)); 916 917 return; 918 } 919 920 static void 921 qla_init_locked(qla_host_t *ha) 922 { 923 struct ifnet *ifp = ha->ifp; 924 925 ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0); 926 927 qla_stop(ha); 928 929 if (qla_alloc_xmt_bufs(ha) != 0) 930 return; 931 932 qla_confirm_9kb_enable(ha); 933 934 if (qla_alloc_rcv_bufs(ha) != 0) 935 return; 936 937 bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN); 938 939 ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO; 940 ifp->if_hwassist |= CSUM_TCP_IPV6 | CSUM_UDP_IPV6; 941 942 ha->stop_rcv = 0; 943 if (ql_init_hw_if(ha) == 0) { 944 ifp = ha->ifp; 945 ifp->if_drv_flags |= IFF_DRV_RUNNING; 946 ha->hw_vlan_tx_frames = 0; 947 ha->tx_tso_frames = 0; 948 ha->qla_interface_up = 1; 949 ql_update_link_state(ha); 950 } else { 951 if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE) 952 ha->hw.sp_log_stop = -1; 953 } 954 955 ha->qla_watchdog_pause = 0; 956 957 return; 958 } 959 960 static void 961 qla_init(void *arg) 962 { 963 qla_host_t *ha; 964 965 ha = (qla_host_t *)arg; 966 967 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 968 969 if (QLA_LOCK(ha, __func__, -1, 0) != 0) 970 return; 971 972 qla_init_locked(ha); 973 974 QLA_UNLOCK(ha, __func__); 975 976 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); 977 } 978 979 static u_int 980 qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt) 981 { 982 uint8_t *mta = arg; 983 984 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS) 985 return (0); 986 987 bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN); 988 989 return (1); 990 } 991 992 static int 993 qla_set_multi(qla_host_t *ha, uint32_t add_multi) 994 { 995 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN]; 996 int mcnt = 0; 997 struct ifnet *ifp = ha->ifp; 998 int ret = 0; 999 1000 mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta); 1001 1002 if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, 1003 QLA_LOCK_NO_SLEEP) != 0) 1004 return (-1); 1005 1006 ql_sp_log(ha, 12, 4, ifp->if_drv_flags, 1007 (ifp->if_drv_flags & IFF_DRV_RUNNING), 1008 add_multi, (uint32_t)mcnt, 0); 1009 1010 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1011 1012 if (!add_multi) { 1013 ret = qla_hw_del_all_mcast(ha); 1014 1015 if (ret) 1016 device_printf(ha->pci_dev, 1017 "%s: qla_hw_del_all_mcast() failed\n", 1018 __func__); 1019 } 1020 1021 if (!ret) 1022 ret = ql_hw_set_multi(ha, mta, mcnt, 1); 1023 1024 } 1025 1026 QLA_UNLOCK(ha, __func__); 1027 1028 return (ret); 1029 } 1030 1031 static int 1032 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1033 { 1034 int ret = 0; 1035 struct ifreq *ifr = (struct ifreq *)data; 1036 struct ifaddr *ifa = (struct ifaddr *)data; 1037 qla_host_t *ha; 1038 1039 ha = (qla_host_t *)ifp->if_softc; 1040 if (ha->offline || ha->qla_initiate_recovery) 1041 return (ret); 1042 1043 switch (cmd) { 1044 case SIOCSIFADDR: 1045 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n", 1046 __func__, cmd)); 1047 1048 if (ifa->ifa_addr->sa_family == AF_INET) { 1049 1050 ret = QLA_LOCK(ha, __func__, 1051 QLA_LOCK_DEFAULT_MS_TIMEOUT, 1052 QLA_LOCK_NO_SLEEP); 1053 if (ret) 1054 break; 1055 1056 ifp->if_flags |= IFF_UP; 1057 1058 ql_sp_log(ha, 8, 3, ifp->if_drv_flags, 1059 (ifp->if_drv_flags & IFF_DRV_RUNNING), 1060 ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0); 1061 1062 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1063 qla_init_locked(ha); 1064 } 1065 1066 QLA_UNLOCK(ha, __func__); 1067 QL_DPRINT4(ha, (ha->pci_dev, 1068 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n", 1069 __func__, cmd, 1070 ntohl(IA_SIN(ifa)->sin_addr.s_addr))); 1071 1072 arp_ifinit(ifp, ifa); 1073 } else { 1074 ether_ioctl(ifp, cmd, data); 1075 } 1076 break; 1077 1078 case SIOCSIFMTU: 1079 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n", 1080 __func__, cmd)); 1081 1082 if (ifr->ifr_mtu > QLA_MAX_MTU) { 1083 ret = EINVAL; 1084 } else { 1085 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, 1086 QLA_LOCK_NO_SLEEP); 1087 1088 if (ret) 1089 break; 1090 1091 ifp->if_mtu = ifr->ifr_mtu; 1092 ha->max_frame_size = 1093 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1094 1095 ql_sp_log(ha, 9, 4, ifp->if_drv_flags, 1096 (ifp->if_drv_flags & IFF_DRV_RUNNING), 1097 ha->max_frame_size, ifp->if_mtu, 0); 1098 1099 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1100 qla_init_locked(ha); 1101 } 1102 1103 if (ifp->if_mtu > ETHERMTU) 1104 ha->std_replenish = QL_JUMBO_REPLENISH_THRES; 1105 else 1106 ha->std_replenish = QL_STD_REPLENISH_THRES; 1107 1108 1109 QLA_UNLOCK(ha, __func__); 1110 } 1111 1112 break; 1113 1114 case SIOCSIFFLAGS: 1115 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n", 1116 __func__, cmd)); 1117 1118 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, 1119 QLA_LOCK_NO_SLEEP); 1120 1121 if (ret) 1122 break; 1123 1124 ql_sp_log(ha, 10, 4, ifp->if_drv_flags, 1125 (ifp->if_drv_flags & IFF_DRV_RUNNING), 1126 ha->if_flags, ifp->if_flags, 0); 1127 1128 if (ifp->if_flags & IFF_UP) { 1129 1130 ha->max_frame_size = ifp->if_mtu + 1131 ETHER_HDR_LEN + ETHER_CRC_LEN; 1132 qla_init_locked(ha); 1133 1134 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1135 if ((ifp->if_flags ^ ha->if_flags) & 1136 IFF_PROMISC) { 1137 ret = ql_set_promisc(ha); 1138 } else if ((ifp->if_flags ^ ha->if_flags) & 1139 IFF_ALLMULTI) { 1140 ret = ql_set_allmulti(ha); 1141 } 1142 } 1143 } else { 1144 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1145 qla_stop(ha); 1146 ha->if_flags = ifp->if_flags; 1147 } 1148 1149 QLA_UNLOCK(ha, __func__); 1150 break; 1151 1152 case SIOCADDMULTI: 1153 QL_DPRINT4(ha, (ha->pci_dev, 1154 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd)); 1155 1156 if (qla_set_multi(ha, 1)) 1157 ret = EINVAL; 1158 break; 1159 1160 case SIOCDELMULTI: 1161 QL_DPRINT4(ha, (ha->pci_dev, 1162 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd)); 1163 1164 if (qla_set_multi(ha, 0)) 1165 ret = EINVAL; 1166 break; 1167 1168 case SIOCSIFMEDIA: 1169 case SIOCGIFMEDIA: 1170 QL_DPRINT4(ha, (ha->pci_dev, 1171 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n", 1172 __func__, cmd)); 1173 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd); 1174 break; 1175 1176 case SIOCSIFCAP: 1177 { 1178 int mask = ifr->ifr_reqcap ^ ifp->if_capenable; 1179 1180 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n", 1181 __func__, cmd)); 1182 1183 if (mask & IFCAP_HWCSUM) 1184 ifp->if_capenable ^= IFCAP_HWCSUM; 1185 if (mask & IFCAP_TSO4) 1186 ifp->if_capenable ^= IFCAP_TSO4; 1187 if (mask & IFCAP_TSO6) 1188 ifp->if_capenable ^= IFCAP_TSO6; 1189 if (mask & IFCAP_VLAN_HWTAGGING) 1190 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 1191 if (mask & IFCAP_VLAN_HWTSO) 1192 ifp->if_capenable ^= IFCAP_VLAN_HWTSO; 1193 if (mask & IFCAP_LRO) 1194 ifp->if_capenable ^= IFCAP_LRO; 1195 1196 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1197 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, 1198 QLA_LOCK_NO_SLEEP); 1199 1200 if (ret) 1201 break; 1202 1203 ql_sp_log(ha, 11, 4, ifp->if_drv_flags, 1204 (ifp->if_drv_flags & IFF_DRV_RUNNING), 1205 mask, ifp->if_capenable, 0); 1206 1207 qla_init_locked(ha); 1208 1209 QLA_UNLOCK(ha, __func__); 1210 1211 } 1212 VLAN_CAPABILITIES(ifp); 1213 break; 1214 } 1215 1216 default: 1217 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n", 1218 __func__, cmd)); 1219 ret = ether_ioctl(ifp, cmd, data); 1220 break; 1221 } 1222 1223 return (ret); 1224 } 1225 1226 static int 1227 qla_media_change(struct ifnet *ifp) 1228 { 1229 qla_host_t *ha; 1230 struct ifmedia *ifm; 1231 int ret = 0; 1232 1233 ha = (qla_host_t *)ifp->if_softc; 1234 1235 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1236 1237 ifm = &ha->media; 1238 1239 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 1240 ret = EINVAL; 1241 1242 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); 1243 1244 return (ret); 1245 } 1246 1247 static void 1248 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1249 { 1250 qla_host_t *ha; 1251 1252 ha = (qla_host_t *)ifp->if_softc; 1253 1254 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1255 1256 ifmr->ifm_status = IFM_AVALID; 1257 ifmr->ifm_active = IFM_ETHER; 1258 1259 ql_update_link_state(ha); 1260 if (ha->hw.link_up) { 1261 ifmr->ifm_status |= IFM_ACTIVE; 1262 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha)); 1263 } 1264 1265 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\ 1266 (ha->hw.link_up ? "link_up" : "link_down"))); 1267 1268 return; 1269 } 1270 1271 1272 static int 1273 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx, 1274 uint32_t iscsi_pdu) 1275 { 1276 bus_dma_segment_t segs[QLA_MAX_SEGMENTS]; 1277 bus_dmamap_t map; 1278 int nsegs; 1279 int ret = -1; 1280 uint32_t tx_idx; 1281 struct mbuf *m_head = *m_headp; 1282 1283 QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1284 1285 tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next; 1286 1287 if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) || 1288 (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){ 1289 QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\ 1290 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\ 1291 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head)); 1292 1293 device_printf(ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d " 1294 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx, 1295 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head); 1296 1297 if (m_head) 1298 m_freem(m_head); 1299 *m_headp = NULL; 1300 QL_INITIATE_RECOVERY(ha); 1301 return (ret); 1302 } 1303 1304 map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map; 1305 1306 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs, 1307 BUS_DMA_NOWAIT); 1308 1309 if (ret == EFBIG) { 1310 1311 struct mbuf *m; 1312 1313 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__, 1314 m_head->m_pkthdr.len)); 1315 1316 m = m_defrag(m_head, M_NOWAIT); 1317 if (m == NULL) { 1318 ha->err_tx_defrag++; 1319 m_freem(m_head); 1320 *m_headp = NULL; 1321 device_printf(ha->pci_dev, 1322 "%s: m_defrag() = NULL [%d]\n", 1323 __func__, ret); 1324 return (ENOBUFS); 1325 } 1326 m_head = m; 1327 *m_headp = m_head; 1328 1329 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, 1330 segs, &nsegs, BUS_DMA_NOWAIT))) { 1331 1332 ha->err_tx_dmamap_load++; 1333 1334 device_printf(ha->pci_dev, 1335 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n", 1336 __func__, ret, m_head->m_pkthdr.len); 1337 1338 if (ret != ENOMEM) { 1339 m_freem(m_head); 1340 *m_headp = NULL; 1341 } 1342 return (ret); 1343 } 1344 1345 } else if (ret) { 1346 1347 ha->err_tx_dmamap_load++; 1348 1349 device_printf(ha->pci_dev, 1350 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n", 1351 __func__, ret, m_head->m_pkthdr.len); 1352 1353 if (ret != ENOMEM) { 1354 m_freem(m_head); 1355 *m_headp = NULL; 1356 } 1357 return (ret); 1358 } 1359 1360 QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet")); 1361 1362 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE); 1363 1364 if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx, 1365 iscsi_pdu))) { 1366 ha->tx_ring[txr_idx].count++; 1367 if (iscsi_pdu) 1368 ha->tx_ring[txr_idx].iscsi_pkt_count++; 1369 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head; 1370 } else { 1371 bus_dmamap_unload(ha->tx_tag, map); 1372 if (ret == EINVAL) { 1373 if (m_head) 1374 m_freem(m_head); 1375 *m_headp = NULL; 1376 } 1377 } 1378 1379 QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__)); 1380 return (ret); 1381 } 1382 1383 static int 1384 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp) 1385 { 1386 snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name), 1387 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx); 1388 1389 mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF); 1390 1391 fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF, 1392 M_NOWAIT, &fp->tx_mtx); 1393 if (fp->tx_br == NULL) { 1394 QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for " 1395 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx)); 1396 return (-ENOMEM); 1397 } 1398 return 0; 1399 } 1400 1401 static void 1402 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp) 1403 { 1404 struct mbuf *mp; 1405 struct ifnet *ifp = ha->ifp; 1406 1407 if (mtx_initialized(&fp->tx_mtx)) { 1408 1409 if (fp->tx_br != NULL) { 1410 1411 mtx_lock(&fp->tx_mtx); 1412 1413 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) { 1414 m_freem(mp); 1415 } 1416 1417 mtx_unlock(&fp->tx_mtx); 1418 1419 buf_ring_free(fp->tx_br, M_DEVBUF); 1420 fp->tx_br = NULL; 1421 } 1422 mtx_destroy(&fp->tx_mtx); 1423 } 1424 return; 1425 } 1426 1427 static void 1428 qla_fp_taskqueue(void *context, int pending) 1429 { 1430 qla_tx_fp_t *fp; 1431 qla_host_t *ha; 1432 struct ifnet *ifp; 1433 struct mbuf *mp = NULL; 1434 int ret = 0; 1435 uint32_t txr_idx; 1436 uint32_t iscsi_pdu = 0; 1437 uint32_t rx_pkts_left = -1; 1438 1439 fp = context; 1440 1441 if (fp == NULL) 1442 return; 1443 1444 ha = (qla_host_t *)fp->ha; 1445 1446 ifp = ha->ifp; 1447 1448 txr_idx = fp->txr_idx; 1449 1450 mtx_lock(&fp->tx_mtx); 1451 1452 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING) || (!ha->hw.link_up)) { 1453 mtx_unlock(&fp->tx_mtx); 1454 goto qla_fp_taskqueue_exit; 1455 } 1456 1457 while (rx_pkts_left && !ha->stop_rcv && 1458 (ifp->if_drv_flags & IFF_DRV_RUNNING) && ha->hw.link_up) { 1459 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64); 1460 1461 #ifdef QL_ENABLE_ISCSI_TLV 1462 ql_hw_tx_done_locked(ha, fp->txr_idx); 1463 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1))); 1464 #else 1465 ql_hw_tx_done_locked(ha, fp->txr_idx); 1466 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */ 1467 1468 mp = drbr_peek(ifp, fp->tx_br); 1469 1470 while (mp != NULL) { 1471 1472 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) { 1473 #ifdef QL_ENABLE_ISCSI_TLV 1474 if (ql_iscsi_pdu(ha, mp) == 0) { 1475 txr_idx = txr_idx + 1476 (ha->hw.num_tx_rings >> 1); 1477 iscsi_pdu = 1; 1478 } else { 1479 iscsi_pdu = 0; 1480 txr_idx = fp->txr_idx; 1481 } 1482 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */ 1483 } 1484 1485 ret = qla_send(ha, &mp, txr_idx, iscsi_pdu); 1486 1487 if (ret) { 1488 if (mp != NULL) 1489 drbr_putback(ifp, fp->tx_br, mp); 1490 else { 1491 drbr_advance(ifp, fp->tx_br); 1492 } 1493 1494 mtx_unlock(&fp->tx_mtx); 1495 1496 goto qla_fp_taskqueue_exit0; 1497 } else { 1498 drbr_advance(ifp, fp->tx_br); 1499 } 1500 1501 /* Send a copy of the frame to the BPF listener */ 1502 ETHER_BPF_MTAP(ifp, mp); 1503 1504 if (((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) || 1505 (!ha->hw.link_up)) 1506 break; 1507 1508 mp = drbr_peek(ifp, fp->tx_br); 1509 } 1510 } 1511 mtx_unlock(&fp->tx_mtx); 1512 1513 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1514 goto qla_fp_taskqueue_exit; 1515 1516 qla_fp_taskqueue_exit0: 1517 1518 if (rx_pkts_left || ((mp != NULL) && ret)) { 1519 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task); 1520 } else { 1521 if (!ha->stop_rcv) { 1522 QL_ENABLE_INTERRUPTS(ha, fp->txr_idx); 1523 } 1524 } 1525 1526 qla_fp_taskqueue_exit: 1527 1528 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret)); 1529 return; 1530 } 1531 1532 static int 1533 qla_create_fp_taskqueues(qla_host_t *ha) 1534 { 1535 int i; 1536 uint8_t tq_name[32]; 1537 1538 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1539 1540 qla_tx_fp_t *fp = &ha->tx_fp[i]; 1541 1542 bzero(tq_name, sizeof (tq_name)); 1543 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i); 1544 1545 NET_TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp); 1546 1547 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT, 1548 taskqueue_thread_enqueue, 1549 &fp->fp_taskqueue); 1550 1551 if (fp->fp_taskqueue == NULL) 1552 return (-1); 1553 1554 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s", 1555 tq_name); 1556 1557 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__, 1558 fp->fp_taskqueue)); 1559 } 1560 1561 return (0); 1562 } 1563 1564 static void 1565 qla_destroy_fp_taskqueues(qla_host_t *ha) 1566 { 1567 int i; 1568 1569 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1570 1571 qla_tx_fp_t *fp = &ha->tx_fp[i]; 1572 1573 if (fp->fp_taskqueue != NULL) { 1574 taskqueue_drain_all(fp->fp_taskqueue); 1575 taskqueue_free(fp->fp_taskqueue); 1576 fp->fp_taskqueue = NULL; 1577 } 1578 } 1579 return; 1580 } 1581 1582 static void 1583 qla_drain_fp_taskqueues(qla_host_t *ha) 1584 { 1585 int i; 1586 1587 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1588 qla_tx_fp_t *fp = &ha->tx_fp[i]; 1589 1590 if (fp->fp_taskqueue != NULL) { 1591 taskqueue_drain_all(fp->fp_taskqueue); 1592 } 1593 } 1594 return; 1595 } 1596 1597 static int 1598 qla_transmit(struct ifnet *ifp, struct mbuf *mp) 1599 { 1600 qla_host_t *ha = (qla_host_t *)ifp->if_softc; 1601 qla_tx_fp_t *fp; 1602 int rss_id = 0; 1603 int ret = 0; 1604 1605 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1606 1607 #if __FreeBSD_version >= 1100000 1608 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) 1609 #else 1610 if (mp->m_flags & M_FLOWID) 1611 #endif 1612 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) % 1613 ha->hw.num_sds_rings; 1614 fp = &ha->tx_fp[rss_id]; 1615 1616 if (fp->tx_br == NULL) { 1617 ret = EINVAL; 1618 goto qla_transmit_exit; 1619 } 1620 1621 if (mp != NULL) { 1622 ret = drbr_enqueue(ifp, fp->tx_br, mp); 1623 } 1624 1625 if (fp->fp_taskqueue != NULL) 1626 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task); 1627 1628 ret = 0; 1629 1630 qla_transmit_exit: 1631 1632 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret)); 1633 return ret; 1634 } 1635 1636 static void 1637 qla_qflush(struct ifnet *ifp) 1638 { 1639 int i; 1640 qla_tx_fp_t *fp; 1641 struct mbuf *mp; 1642 qla_host_t *ha; 1643 1644 ha = (qla_host_t *)ifp->if_softc; 1645 1646 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1647 1648 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1649 1650 fp = &ha->tx_fp[i]; 1651 1652 if (fp == NULL) 1653 continue; 1654 1655 if (fp->tx_br) { 1656 mtx_lock(&fp->tx_mtx); 1657 1658 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) { 1659 m_freem(mp); 1660 } 1661 mtx_unlock(&fp->tx_mtx); 1662 } 1663 } 1664 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); 1665 1666 return; 1667 } 1668 1669 static void 1670 qla_stop(qla_host_t *ha) 1671 { 1672 struct ifnet *ifp = ha->ifp; 1673 device_t dev; 1674 int i = 0; 1675 1676 ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0); 1677 1678 dev = ha->pci_dev; 1679 1680 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1681 ha->qla_watchdog_pause = 1; 1682 1683 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1684 qla_tx_fp_t *fp; 1685 1686 fp = &ha->tx_fp[i]; 1687 1688 if (fp == NULL) 1689 continue; 1690 1691 if (fp->tx_br != NULL) { 1692 mtx_lock(&fp->tx_mtx); 1693 mtx_unlock(&fp->tx_mtx); 1694 } 1695 } 1696 1697 while (!ha->qla_watchdog_paused) 1698 qla_mdelay(__func__, 1); 1699 1700 ha->qla_interface_up = 0; 1701 1702 qla_drain_fp_taskqueues(ha); 1703 1704 ql_del_hw_if(ha); 1705 1706 qla_free_xmt_bufs(ha); 1707 qla_free_rcv_bufs(ha); 1708 1709 return; 1710 } 1711 1712 /* 1713 * Buffer Management Functions for Transmit and Receive Rings 1714 */ 1715 static int 1716 qla_alloc_xmt_bufs(qla_host_t *ha) 1717 { 1718 int ret = 0; 1719 uint32_t i, j; 1720 qla_tx_buf_t *txb; 1721 1722 if (bus_dma_tag_create(NULL, /* parent */ 1723 1, 0, /* alignment, bounds */ 1724 BUS_SPACE_MAXADDR, /* lowaddr */ 1725 BUS_SPACE_MAXADDR, /* highaddr */ 1726 NULL, NULL, /* filter, filterarg */ 1727 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */ 1728 QLA_MAX_SEGMENTS, /* nsegments */ 1729 PAGE_SIZE, /* maxsegsize */ 1730 BUS_DMA_ALLOCNOW, /* flags */ 1731 NULL, /* lockfunc */ 1732 NULL, /* lockfuncarg */ 1733 &ha->tx_tag)) { 1734 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n", 1735 __func__); 1736 return (ENOMEM); 1737 } 1738 1739 for (i = 0; i < ha->hw.num_tx_rings; i++) { 1740 bzero((void *)ha->tx_ring[i].tx_buf, 1741 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); 1742 } 1743 1744 for (j = 0; j < ha->hw.num_tx_rings; j++) { 1745 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) { 1746 1747 txb = &ha->tx_ring[j].tx_buf[i]; 1748 1749 if ((ret = bus_dmamap_create(ha->tx_tag, 1750 BUS_DMA_NOWAIT, &txb->map))) { 1751 1752 ha->err_tx_dmamap_create++; 1753 device_printf(ha->pci_dev, 1754 "%s: bus_dmamap_create failed[%d]\n", 1755 __func__, ret); 1756 1757 qla_free_xmt_bufs(ha); 1758 1759 return (ret); 1760 } 1761 } 1762 } 1763 1764 return 0; 1765 } 1766 1767 /* 1768 * Release mbuf after it sent on the wire 1769 */ 1770 static void 1771 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb) 1772 { 1773 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1774 1775 if (txb->m_head) { 1776 bus_dmamap_sync(ha->tx_tag, txb->map, 1777 BUS_DMASYNC_POSTWRITE); 1778 1779 bus_dmamap_unload(ha->tx_tag, txb->map); 1780 1781 m_freem(txb->m_head); 1782 txb->m_head = NULL; 1783 1784 bus_dmamap_destroy(ha->tx_tag, txb->map); 1785 txb->map = NULL; 1786 } 1787 1788 if (txb->map) { 1789 bus_dmamap_unload(ha->tx_tag, txb->map); 1790 bus_dmamap_destroy(ha->tx_tag, txb->map); 1791 txb->map = NULL; 1792 } 1793 1794 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); 1795 } 1796 1797 static void 1798 qla_free_xmt_bufs(qla_host_t *ha) 1799 { 1800 int i, j; 1801 1802 for (j = 0; j < ha->hw.num_tx_rings; j++) { 1803 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) 1804 qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]); 1805 } 1806 1807 if (ha->tx_tag != NULL) { 1808 bus_dma_tag_destroy(ha->tx_tag); 1809 ha->tx_tag = NULL; 1810 } 1811 1812 for (i = 0; i < ha->hw.num_tx_rings; i++) { 1813 bzero((void *)ha->tx_ring[i].tx_buf, 1814 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); 1815 } 1816 return; 1817 } 1818 1819 1820 static int 1821 qla_alloc_rcv_std(qla_host_t *ha) 1822 { 1823 int i, j, k, r, ret = 0; 1824 qla_rx_buf_t *rxb; 1825 qla_rx_ring_t *rx_ring; 1826 1827 for (r = 0; r < ha->hw.num_rds_rings; r++) { 1828 1829 rx_ring = &ha->rx_ring[r]; 1830 1831 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1832 1833 rxb = &rx_ring->rx_buf[i]; 1834 1835 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, 1836 &rxb->map); 1837 1838 if (ret) { 1839 device_printf(ha->pci_dev, 1840 "%s: dmamap[%d, %d] failed\n", 1841 __func__, r, i); 1842 1843 for (k = 0; k < r; k++) { 1844 for (j = 0; j < NUM_RX_DESCRIPTORS; 1845 j++) { 1846 rxb = &ha->rx_ring[k].rx_buf[j]; 1847 bus_dmamap_destroy(ha->rx_tag, 1848 rxb->map); 1849 } 1850 } 1851 1852 for (j = 0; j < i; j++) { 1853 bus_dmamap_destroy(ha->rx_tag, 1854 rx_ring->rx_buf[j].map); 1855 } 1856 goto qla_alloc_rcv_std_err; 1857 } 1858 } 1859 } 1860 1861 qla_init_hw_rcv_descriptors(ha); 1862 1863 1864 for (r = 0; r < ha->hw.num_rds_rings; r++) { 1865 1866 rx_ring = &ha->rx_ring[r]; 1867 1868 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1869 rxb = &rx_ring->rx_buf[i]; 1870 rxb->handle = i; 1871 if (!(ret = ql_get_mbuf(ha, rxb, NULL))) { 1872 /* 1873 * set the physical address in the 1874 * corresponding descriptor entry in the 1875 * receive ring/queue for the hba 1876 */ 1877 qla_set_hw_rcv_desc(ha, r, i, rxb->handle, 1878 rxb->paddr, 1879 (rxb->m_head)->m_pkthdr.len); 1880 } else { 1881 device_printf(ha->pci_dev, 1882 "%s: ql_get_mbuf [%d, %d] failed\n", 1883 __func__, r, i); 1884 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1885 goto qla_alloc_rcv_std_err; 1886 } 1887 } 1888 } 1889 return 0; 1890 1891 qla_alloc_rcv_std_err: 1892 return (-1); 1893 } 1894 1895 static void 1896 qla_free_rcv_std(qla_host_t *ha) 1897 { 1898 int i, r; 1899 qla_rx_buf_t *rxb; 1900 1901 for (r = 0; r < ha->hw.num_rds_rings; r++) { 1902 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1903 rxb = &ha->rx_ring[r].rx_buf[i]; 1904 if (rxb->m_head != NULL) { 1905 bus_dmamap_unload(ha->rx_tag, rxb->map); 1906 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1907 m_freem(rxb->m_head); 1908 rxb->m_head = NULL; 1909 } 1910 } 1911 } 1912 return; 1913 } 1914 1915 static int 1916 qla_alloc_rcv_bufs(qla_host_t *ha) 1917 { 1918 int i, ret = 0; 1919 1920 if (bus_dma_tag_create(NULL, /* parent */ 1921 1, 0, /* alignment, bounds */ 1922 BUS_SPACE_MAXADDR, /* lowaddr */ 1923 BUS_SPACE_MAXADDR, /* highaddr */ 1924 NULL, NULL, /* filter, filterarg */ 1925 MJUM9BYTES, /* maxsize */ 1926 1, /* nsegments */ 1927 MJUM9BYTES, /* maxsegsize */ 1928 BUS_DMA_ALLOCNOW, /* flags */ 1929 NULL, /* lockfunc */ 1930 NULL, /* lockfuncarg */ 1931 &ha->rx_tag)) { 1932 1933 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n", 1934 __func__); 1935 1936 return (ENOMEM); 1937 } 1938 1939 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS)); 1940 1941 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1942 ha->hw.sds[i].sdsr_next = 0; 1943 ha->hw.sds[i].rxb_free = NULL; 1944 ha->hw.sds[i].rx_free = 0; 1945 } 1946 1947 ret = qla_alloc_rcv_std(ha); 1948 1949 return (ret); 1950 } 1951 1952 static void 1953 qla_free_rcv_bufs(qla_host_t *ha) 1954 { 1955 int i; 1956 1957 qla_free_rcv_std(ha); 1958 1959 if (ha->rx_tag != NULL) { 1960 bus_dma_tag_destroy(ha->rx_tag); 1961 ha->rx_tag = NULL; 1962 } 1963 1964 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS)); 1965 1966 for (i = 0; i < ha->hw.num_sds_rings; i++) { 1967 ha->hw.sds[i].sdsr_next = 0; 1968 ha->hw.sds[i].rxb_free = NULL; 1969 ha->hw.sds[i].rx_free = 0; 1970 } 1971 1972 return; 1973 } 1974 1975 int 1976 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp) 1977 { 1978 register struct mbuf *mp = nmp; 1979 struct ifnet *ifp; 1980 int ret = 0; 1981 uint32_t offset; 1982 bus_dma_segment_t segs[1]; 1983 int nsegs, mbuf_size; 1984 1985 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); 1986 1987 ifp = ha->ifp; 1988 1989 if (ha->hw.enable_9kb) 1990 mbuf_size = MJUM9BYTES; 1991 else 1992 mbuf_size = MCLBYTES; 1993 1994 if (mp == NULL) { 1995 1996 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE)) 1997 return(-1); 1998 1999 if (ha->hw.enable_9kb) 2000 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size); 2001 else 2002 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 2003 2004 if (mp == NULL) { 2005 ha->err_m_getcl++; 2006 ret = ENOBUFS; 2007 device_printf(ha->pci_dev, 2008 "%s: m_getcl failed\n", __func__); 2009 goto exit_ql_get_mbuf; 2010 } 2011 mp->m_len = mp->m_pkthdr.len = mbuf_size; 2012 } else { 2013 mp->m_len = mp->m_pkthdr.len = mbuf_size; 2014 mp->m_data = mp->m_ext.ext_buf; 2015 mp->m_next = NULL; 2016 } 2017 2018 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL); 2019 if (offset) { 2020 offset = 8 - offset; 2021 m_adj(mp, offset); 2022 } 2023 2024 /* 2025 * Using memory from the mbuf cluster pool, invoke the bus_dma 2026 * machinery to arrange the memory mapping. 2027 */ 2028 ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map, 2029 mp, segs, &nsegs, BUS_DMA_NOWAIT); 2030 rxb->paddr = segs[0].ds_addr; 2031 2032 if (ret || !rxb->paddr || (nsegs != 1)) { 2033 m_free(mp); 2034 rxb->m_head = NULL; 2035 device_printf(ha->pci_dev, 2036 "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n", 2037 __func__, ret, (long long unsigned int)rxb->paddr, 2038 nsegs); 2039 ret = -1; 2040 goto exit_ql_get_mbuf; 2041 } 2042 rxb->m_head = mp; 2043 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD); 2044 2045 exit_ql_get_mbuf: 2046 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret)); 2047 return (ret); 2048 } 2049 2050 2051 static void 2052 qla_get_peer(qla_host_t *ha) 2053 { 2054 device_t *peers; 2055 int count, i, slot; 2056 int my_slot = pci_get_slot(ha->pci_dev); 2057 2058 if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count)) 2059 return; 2060 2061 for (i = 0; i < count; i++) { 2062 slot = pci_get_slot(peers[i]); 2063 2064 if ((slot >= 0) && (slot == my_slot) && 2065 (pci_get_device(peers[i]) == 2066 pci_get_device(ha->pci_dev))) { 2067 if (ha->pci_dev != peers[i]) 2068 ha->peer_dev = peers[i]; 2069 } 2070 } 2071 } 2072 2073 static void 2074 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer) 2075 { 2076 qla_host_t *ha_peer; 2077 2078 if (ha->peer_dev) { 2079 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) { 2080 2081 ha_peer->msg_from_peer = msg_to_peer; 2082 } 2083 } 2084 } 2085 2086 void 2087 qla_set_error_recovery(qla_host_t *ha) 2088 { 2089 struct ifnet *ifp = ha->ifp; 2090 2091 if (!cold && ha->enable_error_recovery) { 2092 if (ifp) 2093 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2094 ha->qla_initiate_recovery = 1; 2095 } else 2096 ha->offline = 1; 2097 return; 2098 } 2099 2100 static void 2101 qla_error_recovery(void *context, int pending) 2102 { 2103 qla_host_t *ha = context; 2104 uint32_t msecs_100 = 400; 2105 struct ifnet *ifp = ha->ifp; 2106 int i = 0; 2107 2108 device_printf(ha->pci_dev, "%s: enter\n", __func__); 2109 ha->hw.imd_compl = 1; 2110 2111 taskqueue_drain_all(ha->stats_tq); 2112 taskqueue_drain_all(ha->async_event_tq); 2113 2114 if (QLA_LOCK(ha, __func__, -1, 0) != 0) 2115 return; 2116 2117 device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n", 2118 __func__, qla_get_usec_timestamp()); 2119 2120 if (ha->qla_interface_up) { 2121 2122 qla_mdelay(__func__, 300); 2123 2124 //ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2125 2126 for (i = 0; i < ha->hw.num_sds_rings; i++) { 2127 qla_tx_fp_t *fp; 2128 2129 fp = &ha->tx_fp[i]; 2130 2131 if (fp == NULL) 2132 continue; 2133 2134 if (fp->tx_br != NULL) { 2135 mtx_lock(&fp->tx_mtx); 2136 mtx_unlock(&fp->tx_mtx); 2137 } 2138 } 2139 } 2140 2141 qla_drain_fp_taskqueues(ha); 2142 2143 if ((ha->pci_func & 0x1) == 0) { 2144 2145 if (!ha->msg_from_peer) { 2146 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET); 2147 2148 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && 2149 msecs_100--) 2150 qla_mdelay(__func__, 100); 2151 } 2152 2153 ha->msg_from_peer = 0; 2154 2155 if (ha->enable_minidump) 2156 ql_minidump(ha); 2157 2158 if (ha->enable_driverstate_dump) 2159 ql_capture_drvr_state(ha); 2160 2161 if (ql_init_hw(ha)) { 2162 device_printf(ha->pci_dev, 2163 "%s: ts_usecs = %ld exit: ql_init_hw failed\n", 2164 __func__, qla_get_usec_timestamp()); 2165 ha->offline = 1; 2166 goto qla_error_recovery_exit; 2167 } 2168 2169 if (ha->qla_interface_up) { 2170 qla_free_xmt_bufs(ha); 2171 qla_free_rcv_bufs(ha); 2172 } 2173 2174 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY)) 2175 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK); 2176 2177 } else { 2178 if (ha->msg_from_peer == QL_PEER_MSG_RESET) { 2179 2180 ha->msg_from_peer = 0; 2181 2182 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY)) 2183 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK); 2184 } else { 2185 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET); 2186 } 2187 2188 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--) 2189 qla_mdelay(__func__, 100); 2190 ha->msg_from_peer = 0; 2191 2192 if (ha->enable_driverstate_dump) 2193 ql_capture_drvr_state(ha); 2194 2195 if (msecs_100 == 0) { 2196 device_printf(ha->pci_dev, 2197 "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n", 2198 __func__, qla_get_usec_timestamp()); 2199 ha->offline = 1; 2200 goto qla_error_recovery_exit; 2201 } 2202 2203 if (ql_init_hw(ha)) { 2204 device_printf(ha->pci_dev, 2205 "%s: ts_usecs = %ld exit: ql_init_hw failed\n", 2206 __func__, qla_get_usec_timestamp()); 2207 ha->offline = 1; 2208 goto qla_error_recovery_exit; 2209 } 2210 2211 if (ha->qla_interface_up) { 2212 qla_free_xmt_bufs(ha); 2213 qla_free_rcv_bufs(ha); 2214 } 2215 } 2216 2217 qla_mdelay(__func__, ha->ms_delay_after_init); 2218 2219 *((uint32_t *)&ha->hw.flags) = 0; 2220 ha->qla_initiate_recovery = 0; 2221 2222 if (ha->qla_interface_up) { 2223 2224 if (qla_alloc_xmt_bufs(ha) != 0) { 2225 ha->offline = 1; 2226 goto qla_error_recovery_exit; 2227 } 2228 2229 qla_confirm_9kb_enable(ha); 2230 2231 if (qla_alloc_rcv_bufs(ha) != 0) { 2232 ha->offline = 1; 2233 goto qla_error_recovery_exit; 2234 } 2235 2236 ha->stop_rcv = 0; 2237 2238 if (ql_init_hw_if(ha) == 0) { 2239 ifp = ha->ifp; 2240 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2241 ha->qla_watchdog_pause = 0; 2242 ql_update_link_state(ha); 2243 } else { 2244 ha->offline = 1; 2245 2246 if (ha->hw.sp_log_stop_events & 2247 Q8_SP_LOG_STOP_IF_START_FAILURE) 2248 ha->hw.sp_log_stop = -1; 2249 } 2250 } else { 2251 ha->qla_watchdog_pause = 0; 2252 } 2253 2254 qla_error_recovery_exit: 2255 2256 if (ha->offline ) { 2257 device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n", 2258 __func__, qla_get_usec_timestamp()); 2259 if (ha->hw.sp_log_stop_events & 2260 Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE) 2261 ha->hw.sp_log_stop = -1; 2262 } 2263 2264 2265 QLA_UNLOCK(ha, __func__); 2266 2267 if (!ha->offline) 2268 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 2269 qla_watchdog, ha); 2270 2271 device_printf(ha->pci_dev, 2272 "%s: ts_usecs = %ld exit\n", 2273 __func__, qla_get_usec_timestamp()); 2274 return; 2275 } 2276 2277 static void 2278 qla_async_event(void *context, int pending) 2279 { 2280 qla_host_t *ha = context; 2281 2282 if (QLA_LOCK(ha, __func__, -1, 0) != 0) 2283 return; 2284 2285 if (ha->async_event) { 2286 ha->async_event = 0; 2287 qla_hw_async_event(ha); 2288 } 2289 2290 QLA_UNLOCK(ha, __func__); 2291 2292 return; 2293 } 2294 2295 static void 2296 qla_stats(void *context, int pending) 2297 { 2298 qla_host_t *ha; 2299 2300 ha = context; 2301 2302 ql_get_stats(ha); 2303 2304 return; 2305 } 2306 2307