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