sys/dev/qlxgbe/ql_os.c

   1 /*
   2  * Copyright (c) 2013-2016 Qlogic Corporation
   3  * All rights reserved.
   4  *
   5  *  Redistribution and use in source and binary forms, with or without
   6  *  modification, are permitted provided that the following conditions
   7  *  are met:
   8  *
   9  *  1. Redistributions of source code must retain the above copyright
  10  *     notice, this list of conditions and the following disclaimer.
  11  *  2. Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16  *  and ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25  *  POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * File: ql_os.c
  30  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD$");
  35
  36
  37 #include "ql_os.h"
  38 #include "ql_hw.h"
  39 #include "ql_def.h"
  40 #include "ql_inline.h"
  41 #include "ql_ver.h"
  42 #include "ql_glbl.h"
  43 #include "ql_dbg.h"
  44 #include <sys/smp.h>
  45
  46 /*
  47  * Some PCI Configuration Space Related Defines
  48  */
  49
  50 #ifndef PCI_VENDOR_QLOGIC
  51 #define PCI_VENDOR_QLOGIC       0x1077
  52 #endif
  53
  54 #ifndef PCI_PRODUCT_QLOGIC_ISP8030
  55 #define PCI_PRODUCT_QLOGIC_ISP8030      0x8030
  56 #endif
  57
  58 #define PCI_QLOGIC_ISP8030 \
  59         ((PCI_PRODUCT_QLOGIC_ISP8030 << 16) | PCI_VENDOR_QLOGIC)
  60
  61 /*
  62  * static functions
  63  */
  64 static int qla_alloc_parent_dma_tag(qla_host_t *ha);
  65 static void qla_free_parent_dma_tag(qla_host_t *ha);
  66 static int qla_alloc_xmt_bufs(qla_host_t *ha);
  67 static void qla_free_xmt_bufs(qla_host_t *ha);
  68 static int qla_alloc_rcv_bufs(qla_host_t *ha);
  69 static void qla_free_rcv_bufs(qla_host_t *ha);
  70 static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb);
  71
  72 static void qla_init_ifnet(device_t dev, qla_host_t *ha);
  73 static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS);
  74 static void qla_release(qla_host_t *ha);
  75 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs,
  76                 int error);
  77 static void qla_stop(qla_host_t *ha);
  78 static void qla_get_peer(qla_host_t *ha);
  79 static void qla_error_recovery(void *context, int pending);
  80 static void qla_async_event(void *context, int pending);
  81 static void qla_stats(void *context, int pending);
  82 static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
  83                 uint32_t iscsi_pdu);
  84
  85 /*
  86  * Hooks to the Operating Systems
  87  */
  88 static int qla_pci_probe (device_t);
  89 static int qla_pci_attach (device_t);
  90 static int qla_pci_detach (device_t);
  91
  92 static void qla_init(void *arg);
  93 static int qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
  94 static int qla_media_change(struct ifnet *ifp);
  95 static void qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr);
  96
  97 static int qla_transmit(struct ifnet *ifp, struct mbuf  *mp);
  98 static void qla_qflush(struct ifnet *ifp);
  99 static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
 100 static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
 101 static int qla_create_fp_taskqueues(qla_host_t *ha);
 102 static void qla_destroy_fp_taskqueues(qla_host_t *ha);
 103 static void qla_drain_fp_taskqueues(qla_host_t *ha);
 104
 105 static device_method_t qla_pci_methods[] = {
 106         /* Device interface */
 107         DEVMETHOD(device_probe, qla_pci_probe),
 108         DEVMETHOD(device_attach, qla_pci_attach),
 109         DEVMETHOD(device_detach, qla_pci_detach),
 110         { 0, 0 }
 111 };
 112
 113 static driver_t qla_pci_driver = {
 114         "ql", qla_pci_methods, sizeof (qla_host_t),
 115 };
 116
 117 static devclass_t qla83xx_devclass;
 118
 119 DRIVER_MODULE(qla83xx, pci, qla_pci_driver, qla83xx_devclass, 0, 0);
 120
 121 MODULE_DEPEND(qla83xx, pci, 1, 1, 1);
 122 MODULE_DEPEND(qla83xx, ether, 1, 1, 1);
 123
 124 MALLOC_DEFINE(M_QLA83XXBUF, "qla83xxbuf", "Buffers for qla83xx driver");
 125
 126 #define QL_STD_REPLENISH_THRES          0
 127 #define QL_JUMBO_REPLENISH_THRES        32
 128
 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)),
 178                 OID_AUTO, "link_status", CTLTYPE_INT | CTLFLAG_RW,
 179                 (void *)ha, 0,
 180                 qla_sysctl_get_link_status, "I", "Link Status");
 181
 182         ha->dbg_level = 0;
 183         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 184                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 185                 OID_AUTO, "debug", CTLFLAG_RW,
 186                 &ha->dbg_level, ha->dbg_level, "Debug Level");
 187
 188         ha->enable_minidump = 1;
 189         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 190                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 191                 OID_AUTO, "enable_minidump", CTLFLAG_RW,
 192                 &ha->enable_minidump, ha->enable_minidump,
 193                 "Minidump retrival is enabled only when this is set");
 194
 195         ha->std_replenish = QL_STD_REPLENISH_THRES;
 196         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 197                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 198                 OID_AUTO, "std_replenish", CTLFLAG_RW,
 199                 &ha->std_replenish, ha->std_replenish,
 200                 "Threshold for Replenishing Standard Frames");
 201
 202         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 203                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 204                 OID_AUTO, "ipv4_lro",
 205                 CTLFLAG_RD, &ha->ipv4_lro,
 206                 "number of ipv4 lro completions");
 207
 208         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 209                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 210                 OID_AUTO, "ipv6_lro",
 211                 CTLFLAG_RD, &ha->ipv6_lro,
 212                 "number of ipv6 lro completions");
 213
 214         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 215                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 216                 OID_AUTO, "tx_tso_frames",
 217                 CTLFLAG_RD, &ha->tx_tso_frames,
 218                 "number of Tx TSO Frames");
 219
 220         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 221                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 222                 OID_AUTO, "hw_vlan_tx_frames",
 223                 CTLFLAG_RD, &ha->hw_vlan_tx_frames,
 224                 "number of Tx VLAN Frames");
 225
 226         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 227                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 228                 OID_AUTO, "hw_lock_failed",
 229                 CTLFLAG_RD, &ha->hw_lock_failed,
 230                 "number of hw_lock failures");
 231
 232         return;
 233 }
 234
 235 static void
 236 qla_watchdog(void *arg)
 237 {
 238         qla_host_t *ha = arg;
 239         qla_hw_t *hw;
 240         struct ifnet *ifp;
 241
 242         hw = &ha->hw;
 243         ifp = ha->ifp;
 244
 245         if (ha->qla_watchdog_exit) {
 246                 ha->qla_watchdog_exited = 1;
 247                 return;
 248         }
 249         ha->qla_watchdog_exited = 0;
 250
 251         if (!ha->qla_watchdog_pause) {
 252                 if (ql_hw_check_health(ha) || ha->qla_initiate_recovery ||
 253                         (ha->msg_from_peer == QL_PEER_MSG_RESET)) {
 254
 255                         if (!(ha->dbg_level & 0x8000)) {
 256                                 ha->qla_watchdog_paused = 1;
 257                                 ha->qla_watchdog_pause = 1;
 258                                 ha->qla_initiate_recovery = 0;
 259                                 ha->err_inject = 0;
 260                                 device_printf(ha->pci_dev,
 261                                         "%s: taskqueue_enqueue(err_task) \n",
 262                                         __func__);
 263                                 taskqueue_enqueue(ha->err_tq, &ha->err_task);
 264                                 return;
 265                         }
 266
 267                 } else if (ha->qla_interface_up) {
 268
 269                         ha->watchdog_ticks++;
 270
 271                         if (ha->watchdog_ticks > 1000)
 272                                 ha->watchdog_ticks = 0;
 273
 274                         if (!ha->watchdog_ticks && QL_RUNNING(ifp)) {
 275                                 taskqueue_enqueue(ha->stats_tq, &ha->stats_task);
 276                         }
 277
 278                         if (ha->async_event) {
 279                                 taskqueue_enqueue(ha->async_event_tq,
 280                                         &ha->async_event_task);
 281                         }
 282
 283 #if 0
 284                         for (i = 0; ((i < ha->hw.num_sds_rings) &&
 285                                         !ha->watchdog_ticks); i++) {
 286                                 qla_tx_fp_t *fp = &ha->tx_fp[i];
 287
 288                                 if (fp->fp_taskqueue != NULL)
 289                                         taskqueue_enqueue(fp->fp_taskqueue,
 290                                                 &fp->fp_task);
 291                         }
 292 #endif
 293                         ha->qla_watchdog_paused = 0;
 294                 } else {
 295                         ha->qla_watchdog_paused = 0;
 296                 }
 297         } else {
 298                 ha->qla_watchdog_paused = 1;
 299         }
 300
 301         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
 302                 qla_watchdog, ha);
 303 }
 304
 305 /*
 306  * Name:        qla_pci_attach
 307  * Function:    attaches the device to the operating system
 308  */
 309 static int
 310 qla_pci_attach(device_t dev)
 311 {
 312         qla_host_t *ha = NULL;
 313         uint32_t rsrc_len;
 314         int i;
 315         uint32_t num_rcvq = 0;
 316
 317         if ((ha = device_get_softc(dev)) == NULL) {
 318                 device_printf(dev, "cannot get softc\n");
 319                 return (ENOMEM);
 320         }
 321
 322         memset(ha, 0, sizeof (qla_host_t));
 323
 324         if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) {
 325                 device_printf(dev, "device is not ISP8030\n");
 326                 return (ENXIO);
 327         }
 328
 329         ha->pci_func = pci_get_function(dev) & 0x1;
 330
 331         ha->pci_dev = dev;
 332
 333         pci_enable_busmaster(dev);
 334
 335         ha->reg_rid = PCIR_BAR(0);
 336         ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
 337                                 RF_ACTIVE);
 338
 339         if (ha->pci_reg == NULL) {
 340                 device_printf(dev, "unable to map any ports\n");
 341                 goto qla_pci_attach_err;
 342         }
 343
 344         rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
 345                                         ha->reg_rid);
 346
 347         mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF);
 348         ha->flags.lock_init = 1;
 349
 350         qla_add_sysctls(ha);
 351
 352         ha->hw.num_sds_rings = MAX_SDS_RINGS;
 353         ha->hw.num_rds_rings = MAX_RDS_RINGS;
 354         ha->hw.num_tx_rings = NUM_TX_RINGS;
 355
 356         ha->reg_rid1 = PCIR_BAR(2);
 357         ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
 358                         &ha->reg_rid1, RF_ACTIVE);
 359
 360         ha->msix_count = pci_msix_count(dev);
 361
 362         if (ha->msix_count < 1 ) {
 363                 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
 364                         ha->msix_count);
 365                 goto qla_pci_attach_err;
 366         }
 367
 368         if (ha->msix_count < (ha->hw.num_sds_rings + 1)) {
 369                 ha->hw.num_sds_rings = ha->msix_count - 1;
 370         }
 371
 372         QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
 373                 " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha,
 374                 ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg,
 375                 ha->pci_reg1));
 376
 377         /* initialize hardware */
 378         if (ql_init_hw(ha)) {
 379                 device_printf(dev, "%s: ql_init_hw failed\n", __func__);
 380                 goto qla_pci_attach_err;
 381         }
 382
 383         device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__,
 384                 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
 385                 ha->fw_ver_build);
 386         snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d",
 387                         ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
 388                         ha->fw_ver_build);
 389
 390         if (qla_get_nic_partition(ha, NULL, &num_rcvq)) {
 391                 device_printf(dev, "%s: qla_get_nic_partition failed\n",
 392                         __func__);
 393                 goto qla_pci_attach_err;
 394         }
 395         device_printf(dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
 396                 " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n",
 397                 __func__, ha, ha->pci_func, rsrc_len, ha->msix_count,
 398                 ha->pci_reg, ha->pci_reg1, num_rcvq);
 399
 400         if ((ha->msix_count  < 64) || (num_rcvq != 32)) {
 401                 if (ha->hw.num_sds_rings > 15) {
 402                         ha->hw.num_sds_rings = 15;
 403                 }
 404         }
 405
 406         ha->hw.num_rds_rings = ha->hw.num_sds_rings;
 407         ha->hw.num_tx_rings = ha->hw.num_sds_rings;
 408
 409 #ifdef QL_ENABLE_ISCSI_TLV
 410         ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2;
 411 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
 412
 413         ql_hw_add_sysctls(ha);
 414
 415         ha->msix_count = ha->hw.num_sds_rings + 1;
 416
 417         if (pci_alloc_msix(dev, &ha->msix_count)) {
 418                 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__,
 419                         ha->msix_count);
 420                 ha->msix_count = 0;
 421                 goto qla_pci_attach_err;
 422         }
 423
 424         ha->mbx_irq_rid = 1;
 425         ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
 426                                 &ha->mbx_irq_rid,
 427                                 (RF_ACTIVE | RF_SHAREABLE));
 428         if (ha->mbx_irq == NULL) {
 429                 device_printf(dev, "could not allocate mbx interrupt\n");
 430                 goto qla_pci_attach_err;
 431         }
 432         if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE),
 433                 NULL, ql_mbx_isr, ha, &ha->mbx_handle)) {
 434                 device_printf(dev, "could not setup mbx interrupt\n");
 435                 goto qla_pci_attach_err;
 436         }
 437
 438         for (i = 0; i < ha->hw.num_sds_rings; i++) {
 439                 ha->irq_vec[i].sds_idx = i;
 440                 ha->irq_vec[i].ha = ha;
 441                 ha->irq_vec[i].irq_rid = 2 + i;
 442
 443                 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
 444                                 &ha->irq_vec[i].irq_rid,
 445                                 (RF_ACTIVE | RF_SHAREABLE));
 446
 447                 if (ha->irq_vec[i].irq == NULL) {
 448                         device_printf(dev, "could not allocate interrupt\n");
 449                         goto qla_pci_attach_err;
 450                 }
 451                 if (bus_setup_intr(dev, ha->irq_vec[i].irq,
 452                         (INTR_TYPE_NET | INTR_MPSAFE),
 453                         NULL, ql_isr, &ha->irq_vec[i],
 454                         &ha->irq_vec[i].handle)) {
 455                         device_printf(dev, "could not setup interrupt\n");
 456                         goto qla_pci_attach_err;
 457                 }
 458
 459                 ha->tx_fp[i].ha = ha;
 460                 ha->tx_fp[i].txr_idx = i;
 461
 462                 if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) {
 463                         device_printf(dev, "%s: could not allocate tx_br[%d]\n",
 464                                 __func__, i);
 465                         goto qla_pci_attach_err;
 466                 }
 467         }
 468
 469         if (qla_create_fp_taskqueues(ha) != 0)
 470                 goto qla_pci_attach_err;
 471
 472         printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus,
 473                 ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count);
 474
 475         ql_read_mac_addr(ha);
 476
 477         /* allocate parent dma tag */
 478         if (qla_alloc_parent_dma_tag(ha)) {
 479                 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n",
 480                         __func__);
 481                 goto qla_pci_attach_err;
 482         }
 483
 484         /* alloc all dma buffers */
 485         if (ql_alloc_dma(ha)) {
 486                 device_printf(dev, "%s: ql_alloc_dma failed\n", __func__);
 487                 goto qla_pci_attach_err;
 488         }
 489         qla_get_peer(ha);
 490
 491         if (ql_minidump_init(ha) != 0) {
 492                 device_printf(dev, "%s: ql_minidump_init failed\n", __func__);
 493                 goto qla_pci_attach_err;
 494         }
 495         ql_alloc_drvr_state_buffer(ha);
 496         /* create the o.s ethernet interface */
 497         qla_init_ifnet(dev, ha);
 498
 499         ha->flags.qla_watchdog_active = 1;
 500         ha->qla_watchdog_pause = 0;
 501
 502         callout_init(&ha->tx_callout, TRUE);
 503         ha->flags.qla_callout_init = 1;
 504
 505         /* create ioctl device interface */
 506         if (ql_make_cdev(ha)) {
 507                 device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
 508                 goto qla_pci_attach_err;
 509         }
 510
 511         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
 512                 qla_watchdog, ha);
 513
 514         TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha);
 515         ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT,
 516                         taskqueue_thread_enqueue, &ha->err_tq);
 517         taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
 518                 device_get_nameunit(ha->pci_dev));
 519
 520         TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha);
 521         ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT,
 522                         taskqueue_thread_enqueue, &ha->async_event_tq);
 523         taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq",
 524                 device_get_nameunit(ha->pci_dev));
 525
 526         TASK_INIT(&ha->stats_task, 0, qla_stats, ha);
 527         ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT,
 528                         taskqueue_thread_enqueue, &ha->stats_tq);
 529         taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq",
 530                 device_get_nameunit(ha->pci_dev));
 531
 532         QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__));
 533         return (0);
 534
 535 qla_pci_attach_err:
 536
 537         qla_release(ha);
 538
 539         if (ha->flags.lock_init) {
 540                 mtx_destroy(&ha->hw_lock);
 541         }
 542
 543         QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__));
 544         return (ENXIO);
 545 }
 546
 547 /*
 548  * Name:        qla_pci_detach
 549  * Function:    Unhooks the device from the operating system
 550  */
 551 static int
 552 qla_pci_detach(device_t dev)
 553 {
 554         qla_host_t *ha = NULL;
 555         struct ifnet *ifp;
 556
 557
 558         if ((ha = device_get_softc(dev)) == NULL) {
 559                 device_printf(dev, "cannot get softc\n");
 560                 return (ENOMEM);
 561         }
 562
 563         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 564
 565         ifp = ha->ifp;
 566
 567         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 568         QLA_LOCK(ha, __func__, -1, 0);
 569
 570         ha->qla_detach_active = 1;
 571         qla_stop(ha);
 572
 573         qla_release(ha);
 574
 575         QLA_UNLOCK(ha, __func__);
 576
 577         if (ha->flags.lock_init) {
 578                 mtx_destroy(&ha->hw_lock);
 579         }
 580
 581         QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
 582
 583         return (0);
 584 }
 585
 586 /*
 587  * SYSCTL Related Callbacks
 588  */
 589 static int
 590 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)
 591 {
 592         int err, ret = 0;
 593         qla_host_t *ha;
 594
 595         err = sysctl_handle_int(oidp, &ret, 0, req);
 596
 597         if (err || !req->newptr)
 598                 return (err);
 599
 600         if (ret == 1) {
 601                 ha = (qla_host_t *)arg1;
 602                 ql_hw_link_status(ha);
 603         }
 604         return (err);
 605 }
 606
 607 /*
 608  * Name:        qla_release
 609  * Function:    Releases the resources allocated for the device
 610  */
 611 static void
 612 qla_release(qla_host_t *ha)
 613 {
 614         device_t dev;
 615         int i;
 616
 617         dev = ha->pci_dev;
 618
 619         if (ha->async_event_tq) {
 620                 taskqueue_drain(ha->async_event_tq, &ha->async_event_task);
 621                 taskqueue_free(ha->async_event_tq);
 622         }
 623
 624         if (ha->err_tq) {
 625                 taskqueue_drain(ha->err_tq, &ha->err_task);
 626                 taskqueue_free(ha->err_tq);
 627         }
 628
 629         if (ha->stats_tq) {
 630                 taskqueue_drain(ha->stats_tq, &ha->stats_task);
 631                 taskqueue_free(ha->stats_tq);
 632         }
 633
 634         ql_del_cdev(ha);
 635
 636         if (ha->flags.qla_watchdog_active) {
 637                 ha->qla_watchdog_exit = 1;
 638
 639                 while (ha->qla_watchdog_exited == 0)
 640                         qla_mdelay(__func__, 1);
 641         }
 642
 643         if (ha->flags.qla_callout_init)
 644                 callout_stop(&ha->tx_callout);
 645
 646         if (ha->ifp != NULL)
 647                 ether_ifdetach(ha->ifp);
 648
 649         ql_free_drvr_state_buffer(ha);
 650         ql_free_dma(ha);
 651         qla_free_parent_dma_tag(ha);
 652
 653         if (ha->mbx_handle)
 654                 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle);
 655
 656         if (ha->mbx_irq)
 657                 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid,
 658                                 ha->mbx_irq);
 659
 660         for (i = 0; i < ha->hw.num_sds_rings; i++) {
 661
 662                 if (ha->irq_vec[i].handle) {
 663                         (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
 664                                         ha->irq_vec[i].handle);
 665                 }
 666
 667                 if (ha->irq_vec[i].irq) {
 668                         (void)bus_release_resource(dev, SYS_RES_IRQ,
 669                                 ha->irq_vec[i].irq_rid,
 670                                 ha->irq_vec[i].irq);
 671                 }
 672
 673                 qla_free_tx_br(ha, &ha->tx_fp[i]);
 674         }
 675         qla_destroy_fp_taskqueues(ha);
 676
 677         if (ha->msix_count)
 678                 pci_release_msi(dev);
 679
 680 //      if (ha->flags.lock_init) {
 681 //              mtx_destroy(&ha->hw_lock);
 682 //      }
 683
 684         if (ha->pci_reg)
 685                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
 686                                 ha->pci_reg);
 687
 688         if (ha->pci_reg1)
 689                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
 690                                 ha->pci_reg1);
 691
 692         return;
 693 }
 694
 695 /*
 696  * DMA Related Functions
 697  */
 698
 699 static void
 700 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 701 {
 702         *((bus_addr_t *)arg) = 0;
 703
 704         if (error) {
 705                 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
 706                 return;
 707         }
 708
 709         *((bus_addr_t *)arg) = segs[0].ds_addr;
 710
 711         return;
 712 }
 713
 714 int
 715 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 716 {
 717         int             ret = 0;
 718         device_t        dev;
 719         bus_addr_t      b_addr;
 720
 721         dev = ha->pci_dev;
 722
 723         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 724
 725         ret = bus_dma_tag_create(
 726                         ha->parent_tag,/* parent */
 727                         dma_buf->alignment,
 728                         ((bus_size_t)(1ULL << 32)),/* boundary */
 729                         BUS_SPACE_MAXADDR,      /* lowaddr */
 730                         BUS_SPACE_MAXADDR,      /* highaddr */
 731                         NULL, NULL,             /* filter, filterarg */
 732                         dma_buf->size,          /* maxsize */
 733                         1,                      /* nsegments */
 734                         dma_buf->size,          /* maxsegsize */
 735                         0,                      /* flags */
 736                         NULL, NULL,             /* lockfunc, lockarg */
 737                         &dma_buf->dma_tag);
 738
 739         if (ret) {
 740                 device_printf(dev, "%s: could not create dma tag\n", __func__);
 741                 goto ql_alloc_dmabuf_exit;
 742         }
 743         ret = bus_dmamem_alloc(dma_buf->dma_tag,
 744                         (void **)&dma_buf->dma_b,
 745                         (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
 746                         &dma_buf->dma_map);
 747         if (ret) {
 748                 bus_dma_tag_destroy(dma_buf->dma_tag);
 749                 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
 750                 goto ql_alloc_dmabuf_exit;
 751         }
 752
 753         ret = bus_dmamap_load(dma_buf->dma_tag,
 754                         dma_buf->dma_map,
 755                         dma_buf->dma_b,
 756                         dma_buf->size,
 757                         qla_dmamap_callback,
 758                         &b_addr, BUS_DMA_NOWAIT);
 759
 760         if (ret || !b_addr) {
 761                 bus_dma_tag_destroy(dma_buf->dma_tag);
 762                 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
 763                         dma_buf->dma_map);
 764                 ret = -1;
 765                 goto ql_alloc_dmabuf_exit;
 766         }
 767
 768         dma_buf->dma_addr = b_addr;
 769
 770 ql_alloc_dmabuf_exit:
 771         QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
 772                 __func__, ret, (void *)dma_buf->dma_tag,
 773                 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
 774                 dma_buf->size));
 775
 776         return ret;
 777 }
 778
 779 void
 780 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 781 {
 782         bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
 783         bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
 784         bus_dma_tag_destroy(dma_buf->dma_tag);
 785 }
 786
 787 static int
 788 qla_alloc_parent_dma_tag(qla_host_t *ha)
 789 {
 790         int             ret;
 791         device_t        dev;
 792
 793         dev = ha->pci_dev;
 794
 795         /*
 796          * Allocate parent DMA Tag
 797          */
 798         ret = bus_dma_tag_create(
 799                         bus_get_dma_tag(dev),   /* parent */
 800                         1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
 801                         BUS_SPACE_MAXADDR,      /* lowaddr */
 802                         BUS_SPACE_MAXADDR,      /* highaddr */
 803                         NULL, NULL,             /* filter, filterarg */
 804                         BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
 805                         0,                      /* nsegments */
 806                         BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
 807                         0,                      /* flags */
 808                         NULL, NULL,             /* lockfunc, lockarg */
 809                         &ha->parent_tag);
 810
 811         if (ret) {
 812                 device_printf(dev, "%s: could not create parent dma tag\n",
 813                         __func__);
 814                 return (-1);
 815         }
 816
 817         ha->flags.parent_tag = 1;
 818
 819         return (0);
 820 }
 821
 822 static void
 823 qla_free_parent_dma_tag(qla_host_t *ha)
 824 {
 825         if (ha->flags.parent_tag) {
 826                 bus_dma_tag_destroy(ha->parent_tag);
 827                 ha->flags.parent_tag = 0;
 828         }
 829 }
 830
 831 /*
 832  * Name: qla_init_ifnet
 833  * Function: Creates the Network Device Interface and Registers it with the O.S
 834  */
 835
 836 static void
 837 qla_init_ifnet(device_t dev, qla_host_t *ha)
 838 {
 839         struct ifnet *ifp;
 840
 841         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 842
 843         ifp = ha->ifp = if_alloc(IFT_ETHER);
 844
 845         if (ifp == NULL)
 846                 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
 847
 848         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 849
 850         ifp->if_baudrate = IF_Gbps(10);
 851         ifp->if_capabilities = IFCAP_LINKSTATE;
 852         ifp->if_mtu = ETHERMTU;
 853
 854         ifp->if_init = qla_init;
 855         ifp->if_softc = ha;
 856         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 857         ifp->if_ioctl = qla_ioctl;
 858
 859         ifp->if_transmit = qla_transmit;
 860         ifp->if_qflush = qla_qflush;
 861
 862         IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha));
 863         ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha);
 864         IFQ_SET_READY(&ifp->if_snd);
 865
 866         ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 867
 868         ether_ifattach(ifp, qla_get_mac_addr(ha));
 869
 870         ifp->if_capabilities |= IFCAP_HWCSUM |
 871                                 IFCAP_TSO4 |
 872                                 IFCAP_JUMBO_MTU |
 873                                 IFCAP_VLAN_HWTAGGING |
 874                                 IFCAP_VLAN_MTU |
 875                                 IFCAP_VLAN_HWTSO |
 876                                 IFCAP_LRO;
 877
 878         ifp->if_capenable = ifp->if_capabilities;
 879
 880         ifp->if_hdrlen = sizeof(struct ether_vlan_header);
 881
 882         ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
 883
 884         ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
 885                 NULL);
 886         ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
 887
 888         ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
 889
 890         QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
 891
 892         return;
 893 }
 894
 895 static void
 896 qla_init_locked(qla_host_t *ha)
 897 {
 898         struct ifnet *ifp = ha->ifp;
 899
 900         qla_stop(ha);
 901
 902         if (qla_alloc_xmt_bufs(ha) != 0)
 903                 return;
 904
 905         qla_confirm_9kb_enable(ha);
 906
 907         if (qla_alloc_rcv_bufs(ha) != 0)
 908                 return;
 909
 910         bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
 911
 912         ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO;
 913         ifp->if_hwassist |= CSUM_TCP_IPV6 | CSUM_UDP_IPV6;
 914
 915         ha->stop_rcv = 0;
 916         if (ql_init_hw_if(ha) == 0) {
 917                 ifp = ha->ifp;
 918                 ifp->if_drv_flags |= IFF_DRV_RUNNING;
 919                 ha->qla_watchdog_pause = 0;
 920                 ha->hw_vlan_tx_frames = 0;
 921                 ha->tx_tso_frames = 0;
 922                 ha->qla_interface_up = 1;
 923                 ql_update_link_state(ha);
 924         }
 925
 926         return;
 927 }
 928
 929 static void
 930 qla_init(void *arg)
 931 {
 932         qla_host_t *ha;
 933
 934         ha = (qla_host_t *)arg;
 935
 936         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
 937
 938         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
 939                 return;
 940
 941         qla_init_locked(ha);
 942
 943         QLA_UNLOCK(ha, __func__);
 944
 945         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
 946 }
 947
 948 static int
 949 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
 950 {
 951         uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
 952         struct ifmultiaddr *ifma;
 953         int mcnt = 0;
 954         struct ifnet *ifp = ha->ifp;
 955         int ret = 0;
 956
 957         if_maddr_rlock(ifp);
 958
 959         TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
 960
 961                 if (ifma->ifma_addr->sa_family != AF_LINK)
 962                         continue;
 963
 964                 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
 965                         break;
 966
 967                 bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
 968                         &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
 969
 970                 mcnt++;
 971         }
 972
 973         if_maddr_runlock(ifp);
 974
 975         if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
 976                 QLA_LOCK_NO_SLEEP) != 0)
 977                 return (-1);
 978
 979         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
 980
 981                 if (!add_multi) {
 982                         ret = qla_hw_del_all_mcast(ha);
 983
 984                         if (ret)
 985                                 device_printf(ha->pci_dev,
 986                                         "%s: qla_hw_del_all_mcast() failed\n",
 987                                 __func__);
 988                 }
 989
 990                 if (!ret)
 991                         ret = ql_hw_set_multi(ha, mta, mcnt, 1);
 992
 993         }
 994
 995         QLA_UNLOCK(ha, __func__);
 996
 997         return (ret);
 998 }
 999
1000 static int
1001 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1002 {
1003         int ret = 0;
1004         struct ifreq *ifr = (struct ifreq *)data;
1005         struct ifaddr *ifa = (struct ifaddr *)data;
1006         qla_host_t *ha;
1007
1008         ha = (qla_host_t *)ifp->if_softc;
1009
1010         switch (cmd) {
1011         case SIOCSIFADDR:
1012                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1013                         __func__, cmd));
1014
1015                 if (ifa->ifa_addr->sa_family == AF_INET) {
1016
1017                         ret = QLA_LOCK(ha, __func__,
1018                                         QLA_LOCK_DEFAULT_MS_TIMEOUT,
1019                                         QLA_LOCK_NO_SLEEP);
1020                         if (ret)
1021                                 break;
1022
1023                         ifp->if_flags |= IFF_UP;
1024
1025                         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
1026                                 qla_init_locked(ha);
1027                         }
1028
1029                         QLA_UNLOCK(ha, __func__);
1030                         QL_DPRINT4(ha, (ha->pci_dev,
1031                                 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1032                                 __func__, cmd,
1033                                 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1034
1035                         arp_ifinit(ifp, ifa);
1036                 } else {
1037                         ether_ioctl(ifp, cmd, data);
1038                 }
1039                 break;
1040
1041         case SIOCSIFMTU:
1042                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1043                         __func__, cmd));
1044
1045                 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1046                         ret = EINVAL;
1047                 } else {
1048                         ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1049                                         QLA_LOCK_NO_SLEEP);
1050
1051                         if (ret)
1052                                 break;
1053
1054                         ifp->if_mtu = ifr->ifr_mtu;
1055                         ha->max_frame_size =
1056                                 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1057
1058                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1059                                 qla_init_locked(ha);
1060                         }
1061
1062                         if (ifp->if_mtu > ETHERMTU)
1063                                 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1064                         else
1065                                 ha->std_replenish = QL_STD_REPLENISH_THRES;
1066
1067
1068                         QLA_UNLOCK(ha, __func__);
1069                 }
1070
1071                 break;
1072
1073         case SIOCSIFFLAGS:
1074                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1075                         __func__, cmd));
1076
1077                 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1078                                 QLA_LOCK_NO_SLEEP);
1079
1080                 if (ret)
1081                         break;
1082
1083                 if (ifp->if_flags & IFF_UP) {
1084
1085                         ha->max_frame_size = ifp->if_mtu +
1086                                         ETHER_HDR_LEN + ETHER_CRC_LEN;
1087                         qla_init_locked(ha);
1088
1089                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1090                                 if ((ifp->if_flags ^ ha->if_flags) &
1091                                         IFF_PROMISC) {
1092                                         ret = ql_set_promisc(ha);
1093                                 } else if ((ifp->if_flags ^ ha->if_flags) &
1094                                         IFF_ALLMULTI) {
1095                                         ret = ql_set_allmulti(ha);
1096                                 }
1097                         }
1098                 } else {
1099                         if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1100                                 qla_stop(ha);
1101                         ha->if_flags = ifp->if_flags;
1102                 }
1103
1104                 QLA_UNLOCK(ha, __func__);
1105                 break;
1106
1107         case SIOCADDMULTI:
1108                 QL_DPRINT4(ha, (ha->pci_dev,
1109                         "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1110
1111                 if (qla_set_multi(ha, 1))
1112                         ret = EINVAL;
1113                 break;
1114
1115         case SIOCDELMULTI:
1116                 QL_DPRINT4(ha, (ha->pci_dev,
1117                         "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1118
1119                 if (qla_set_multi(ha, 0))
1120                         ret = EINVAL;
1121                 break;
1122
1123         case SIOCSIFMEDIA:
1124         case SIOCGIFMEDIA:
1125                 QL_DPRINT4(ha, (ha->pci_dev,
1126                         "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1127                         __func__, cmd));
1128                 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1129                 break;
1130
1131         case SIOCSIFCAP:
1132         {
1133                 int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1134
1135                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1136                         __func__, cmd));
1137
1138                 if (mask & IFCAP_HWCSUM)
1139                         ifp->if_capenable ^= IFCAP_HWCSUM;
1140                 if (mask & IFCAP_TSO4)
1141                         ifp->if_capenable ^= IFCAP_TSO4;
1142                 if (mask & IFCAP_TSO6)
1143                         ifp->if_capenable ^= IFCAP_TSO6;
1144                 if (mask & IFCAP_VLAN_HWTAGGING)
1145                         ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1146                 if (mask & IFCAP_VLAN_HWTSO)
1147                         ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1148                 if (mask & IFCAP_LRO)
1149                         ifp->if_capenable ^= IFCAP_LRO;
1150
1151                 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1152                         ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1153                                 QLA_LOCK_NO_SLEEP);
1154
1155                         if (ret)
1156                                 break;
1157
1158                         qla_init_locked(ha);
1159
1160                         QLA_UNLOCK(ha, __func__);
1161
1162                 }
1163                 VLAN_CAPABILITIES(ifp);
1164                 break;
1165         }
1166
1167         default:
1168                 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1169                         __func__, cmd));
1170                 ret = ether_ioctl(ifp, cmd, data);
1171                 break;
1172         }
1173
1174         return (ret);
1175 }
1176
1177 static int
1178 qla_media_change(struct ifnet *ifp)
1179 {
1180         qla_host_t *ha;
1181         struct ifmedia *ifm;
1182         int ret = 0;
1183
1184         ha = (qla_host_t *)ifp->if_softc;
1185
1186         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1187
1188         ifm = &ha->media;
1189
1190         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1191                 ret = EINVAL;
1192
1193         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1194
1195         return (ret);
1196 }
1197
1198 static void
1199 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1200 {
1201         qla_host_t *ha;
1202
1203         ha = (qla_host_t *)ifp->if_softc;
1204
1205         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1206
1207         ifmr->ifm_status = IFM_AVALID;
1208         ifmr->ifm_active = IFM_ETHER;
1209
1210         ql_update_link_state(ha);
1211         if (ha->hw.link_up) {
1212                 ifmr->ifm_status |= IFM_ACTIVE;
1213                 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1214         }
1215
1216         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1217                 (ha->hw.link_up ? "link_up" : "link_down")));
1218
1219         return;
1220 }
1221
1222
1223 static int
1224 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1225         uint32_t iscsi_pdu)
1226 {
1227         bus_dma_segment_t       segs[QLA_MAX_SEGMENTS];
1228         bus_dmamap_t            map;
1229         int                     nsegs;
1230         int                     ret = -1;
1231         uint32_t                tx_idx;
1232         struct mbuf             *m_head = *m_headp;
1233
1234         QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1235
1236         tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1237
1238         if (NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) {
1239                 QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\
1240                         "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\
1241                         ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1242                 if (m_head)
1243                         m_freem(m_head);
1244                 *m_headp = NULL;
1245                 return (ret);
1246         }
1247
1248         map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1249
1250         ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1251                         BUS_DMA_NOWAIT);
1252
1253         if (ret == EFBIG) {
1254
1255                 struct mbuf *m;
1256
1257                 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1258                         m_head->m_pkthdr.len));
1259
1260                 m = m_defrag(m_head, M_NOWAIT);
1261                 if (m == NULL) {
1262                         ha->err_tx_defrag++;
1263                         m_freem(m_head);
1264                         *m_headp = NULL;
1265                         device_printf(ha->pci_dev,
1266                                 "%s: m_defrag() = NULL [%d]\n",
1267                                 __func__, ret);
1268                         return (ENOBUFS);
1269                 }
1270                 m_head = m;
1271                 *m_headp = m_head;
1272
1273                 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1274                                         segs, &nsegs, BUS_DMA_NOWAIT))) {
1275
1276                         ha->err_tx_dmamap_load++;
1277
1278                         device_printf(ha->pci_dev,
1279                                 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1280                                 __func__, ret, m_head->m_pkthdr.len);
1281
1282                         if (ret != ENOMEM) {
1283                                 m_freem(m_head);
1284                                 *m_headp = NULL;
1285                         }
1286                         return (ret);
1287                 }
1288
1289         } else if (ret) {
1290
1291                 ha->err_tx_dmamap_load++;
1292
1293                 device_printf(ha->pci_dev,
1294                         "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1295                         __func__, ret, m_head->m_pkthdr.len);
1296
1297                 if (ret != ENOMEM) {
1298                         m_freem(m_head);
1299                         *m_headp = NULL;
1300                 }
1301                 return (ret);
1302         }
1303
1304         QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1305
1306         bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1307
1308         if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1309                                 iscsi_pdu))) {
1310                 ha->tx_ring[txr_idx].count++;
1311                 if (iscsi_pdu)
1312                         ha->tx_ring[txr_idx].iscsi_pkt_count++;
1313                 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1314         } else {
1315                 bus_dmamap_unload(ha->tx_tag, map);
1316                 if (ret == EINVAL) {
1317                         if (m_head)
1318                                 m_freem(m_head);
1319                         *m_headp = NULL;
1320                 }
1321         }
1322
1323         QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1324         return (ret);
1325 }
1326
1327 static int
1328 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1329 {
1330         snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1331                 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1332
1333         mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1334
1335         fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1336                                    M_NOWAIT, &fp->tx_mtx);
1337         if (fp->tx_br == NULL) {
1338             QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1339                 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1340             return (-ENOMEM);
1341         }
1342         return 0;
1343 }
1344
1345 static void
1346 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1347 {
1348         struct mbuf *mp;
1349         struct ifnet *ifp = ha->ifp;
1350
1351         if (mtx_initialized(&fp->tx_mtx)) {
1352
1353                 if (fp->tx_br != NULL) {
1354
1355                         mtx_lock(&fp->tx_mtx);
1356
1357                         while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1358                                 m_freem(mp);
1359                         }
1360
1361                         mtx_unlock(&fp->tx_mtx);
1362
1363                         buf_ring_free(fp->tx_br, M_DEVBUF);
1364                         fp->tx_br = NULL;
1365                 }
1366                 mtx_destroy(&fp->tx_mtx);
1367         }
1368         return;
1369 }
1370
1371 static void
1372 qla_fp_taskqueue(void *context, int pending)
1373 {
1374         qla_tx_fp_t *fp;
1375         qla_host_t *ha;
1376         struct ifnet *ifp;
1377         struct mbuf  *mp;
1378         int ret;
1379         uint32_t txr_idx;
1380         uint32_t iscsi_pdu = 0;
1381         uint32_t rx_pkts_left = -1;
1382
1383         fp = context;
1384
1385         if (fp == NULL)
1386                 return;
1387
1388         ha = (qla_host_t *)fp->ha;
1389
1390         ifp = ha->ifp;
1391
1392         txr_idx = fp->txr_idx;
1393
1394         mtx_lock(&fp->tx_mtx);
1395
1396         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1397                 mtx_unlock(&fp->tx_mtx);
1398                 goto qla_fp_taskqueue_exit;
1399         }
1400
1401         while (rx_pkts_left && !ha->stop_rcv &&
1402                 (ifp->if_drv_flags & IFF_DRV_RUNNING)) {
1403                 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1404
1405 #ifdef QL_ENABLE_ISCSI_TLV
1406                 ql_hw_tx_done_locked(ha, fp->txr_idx);
1407                 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1408 #else
1409                 ql_hw_tx_done_locked(ha, fp->txr_idx);
1410 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1411
1412                 mp = drbr_peek(ifp, fp->tx_br);
1413
1414                 while (mp != NULL) {
1415
1416                         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1417 #ifdef QL_ENABLE_ISCSI_TLV
1418                                 if (ql_iscsi_pdu(ha, mp) == 0) {
1419                                         txr_idx = txr_idx +
1420                                                 (ha->hw.num_tx_rings >> 1);
1421                                         iscsi_pdu = 1;
1422                                 } else {
1423                                         iscsi_pdu = 0;
1424                                         txr_idx = fp->txr_idx;
1425                                 }
1426 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1427                         }
1428
1429                         ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1430
1431                         if (ret) {
1432                                 if (mp != NULL)
1433                                         drbr_putback(ifp, fp->tx_br, mp);
1434                                 else {
1435                                         drbr_advance(ifp, fp->tx_br);
1436                                 }
1437
1438                                 mtx_unlock(&fp->tx_mtx);
1439
1440                                 goto qla_fp_taskqueue_exit0;
1441                         } else {
1442                                 drbr_advance(ifp, fp->tx_br);
1443                         }
1444
1445                         /* Send a copy of the frame to the BPF listener */
1446                         ETHER_BPF_MTAP(ifp, mp);
1447                         if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1448                                 break;
1449
1450                         mp = drbr_peek(ifp, fp->tx_br);
1451                 }
1452         }
1453         mtx_unlock(&fp->tx_mtx);
1454
1455 qla_fp_taskqueue_exit0:
1456
1457         if (rx_pkts_left || ((mp != NULL) && ret)) {
1458                 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1459         } else {
1460                 if (!ha->stop_rcv) {
1461                         QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1462                 }
1463         }
1464
1465 qla_fp_taskqueue_exit:
1466
1467         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1468         return;
1469 }
1470
1471 static int
1472 qla_create_fp_taskqueues(qla_host_t *ha)
1473 {
1474         int     i;
1475         uint8_t tq_name[32];
1476
1477         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1478
1479                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1480
1481                 bzero(tq_name, sizeof (tq_name));
1482                 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1483
1484                 TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1485
1486                 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1487                                         taskqueue_thread_enqueue,
1488                                         &fp->fp_taskqueue);
1489
1490                 if (fp->fp_taskqueue == NULL)
1491                         return (-1);
1492
1493                 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1494                         tq_name);
1495
1496                 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1497                         fp->fp_taskqueue));
1498         }
1499
1500         return (0);
1501 }
1502
1503 static void
1504 qla_destroy_fp_taskqueues(qla_host_t *ha)
1505 {
1506         int     i;
1507
1508         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1509
1510                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1511
1512                 if (fp->fp_taskqueue != NULL) {
1513                         taskqueue_drain(fp->fp_taskqueue, &fp->fp_task);
1514                         taskqueue_free(fp->fp_taskqueue);
1515                         fp->fp_taskqueue = NULL;
1516                 }
1517         }
1518         return;
1519 }
1520
1521 static void
1522 qla_drain_fp_taskqueues(qla_host_t *ha)
1523 {
1524         int     i;
1525
1526         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1527                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1528
1529                 if (fp->fp_taskqueue != NULL) {
1530                         taskqueue_drain(fp->fp_taskqueue, &fp->fp_task);
1531                 }
1532         }
1533         return;
1534 }
1535
1536 static int
1537 qla_transmit(struct ifnet *ifp, struct mbuf  *mp)
1538 {
1539         qla_host_t *ha = (qla_host_t *)ifp->if_softc;
1540         qla_tx_fp_t *fp;
1541         int rss_id = 0;
1542         int ret = 0;
1543
1544         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1545
1546 #if __FreeBSD_version >= 1100000
1547         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1548 #else
1549         if (mp->m_flags & M_FLOWID)
1550 #endif
1551                 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1552                                         ha->hw.num_sds_rings;
1553         fp = &ha->tx_fp[rss_id];
1554
1555         if (fp->tx_br == NULL) {
1556                 ret = EINVAL;
1557                 goto qla_transmit_exit;
1558         }
1559
1560         if (mp != NULL) {
1561                 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1562         }
1563
1564         if (fp->fp_taskqueue != NULL)
1565                 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1566
1567         ret = 0;
1568
1569 qla_transmit_exit:
1570
1571         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1572         return ret;
1573 }
1574
1575 static void
1576 qla_qflush(struct ifnet *ifp)
1577 {
1578         int                     i;
1579         qla_tx_fp_t             *fp;
1580         struct mbuf             *mp;
1581         qla_host_t              *ha;
1582
1583         ha = (qla_host_t *)ifp->if_softc;
1584
1585         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1586
1587         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1588
1589                 fp = &ha->tx_fp[i];
1590
1591                 if (fp == NULL)
1592                         continue;
1593
1594                 if (fp->tx_br) {
1595                         mtx_lock(&fp->tx_mtx);
1596
1597                         while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1598                                 m_freem(mp);
1599                         }
1600                         mtx_unlock(&fp->tx_mtx);
1601                 }
1602         }
1603         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1604
1605         return;
1606 }
1607
1608 static void
1609 qla_stop(qla_host_t *ha)
1610 {
1611         struct ifnet *ifp = ha->ifp;
1612         device_t        dev;
1613         int i = 0;
1614
1615         dev = ha->pci_dev;
1616
1617         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1618         ha->qla_watchdog_pause = 1;
1619
1620         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1621                 qla_tx_fp_t *fp;
1622
1623                 fp = &ha->tx_fp[i];
1624
1625                 if (fp == NULL)
1626                         continue;
1627
1628                 if (fp->tx_br != NULL) {
1629                         mtx_lock(&fp->tx_mtx);
1630                         mtx_unlock(&fp->tx_mtx);
1631                 }
1632         }
1633
1634         while (!ha->qla_watchdog_paused)
1635                 qla_mdelay(__func__, 1);
1636
1637         ha->qla_interface_up = 0;
1638
1639         qla_drain_fp_taskqueues(ha);
1640
1641         ql_del_hw_if(ha);
1642
1643         qla_free_xmt_bufs(ha);
1644         qla_free_rcv_bufs(ha);
1645
1646         return;
1647 }
1648
1649 /*
1650  * Buffer Management Functions for Transmit and Receive Rings
1651  */
1652 static int
1653 qla_alloc_xmt_bufs(qla_host_t *ha)
1654 {
1655         int ret = 0;
1656         uint32_t i, j;
1657         qla_tx_buf_t *txb;
1658
1659         if (bus_dma_tag_create(NULL,    /* parent */
1660                 1, 0,    /* alignment, bounds */
1661                 BUS_SPACE_MAXADDR,       /* lowaddr */
1662                 BUS_SPACE_MAXADDR,       /* highaddr */
1663                 NULL, NULL,      /* filter, filterarg */
1664                 QLA_MAX_TSO_FRAME_SIZE,     /* maxsize */
1665                 QLA_MAX_SEGMENTS,        /* nsegments */
1666                 PAGE_SIZE,        /* maxsegsize */
1667                 BUS_DMA_ALLOCNOW,        /* flags */
1668                 NULL,    /* lockfunc */
1669                 NULL,    /* lockfuncarg */
1670                 &ha->tx_tag)) {
1671                 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1672                         __func__);
1673                 return (ENOMEM);
1674         }
1675
1676         for (i = 0; i < ha->hw.num_tx_rings; i++) {
1677                 bzero((void *)ha->tx_ring[i].tx_buf,
1678                         (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1679         }
1680
1681         for (j = 0; j < ha->hw.num_tx_rings; j++) {
1682                 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1683
1684                         txb = &ha->tx_ring[j].tx_buf[i];
1685
1686                         if ((ret = bus_dmamap_create(ha->tx_tag,
1687                                         BUS_DMA_NOWAIT, &txb->map))) {
1688
1689                                 ha->err_tx_dmamap_create++;
1690                                 device_printf(ha->pci_dev,
1691                                         "%s: bus_dmamap_create failed[%d]\n",
1692                                         __func__, ret);
1693
1694                                 qla_free_xmt_bufs(ha);
1695
1696                                 return (ret);
1697                         }
1698                 }
1699         }
1700
1701         return 0;
1702 }
1703
1704 /*
1705  * Release mbuf after it sent on the wire
1706  */
1707 static void
1708 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1709 {
1710         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1711
1712         if (txb->m_head) {
1713                 bus_dmamap_sync(ha->tx_tag, txb->map,
1714                         BUS_DMASYNC_POSTWRITE);
1715
1716                 bus_dmamap_unload(ha->tx_tag, txb->map);
1717
1718                 m_freem(txb->m_head);
1719                 txb->m_head = NULL;
1720
1721                 bus_dmamap_destroy(ha->tx_tag, txb->map);
1722                 txb->map = NULL;
1723         }
1724
1725         if (txb->map) {
1726                 bus_dmamap_unload(ha->tx_tag, txb->map);
1727                 bus_dmamap_destroy(ha->tx_tag, txb->map);
1728                 txb->map = NULL;
1729         }
1730
1731         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1732 }
1733
1734 static void
1735 qla_free_xmt_bufs(qla_host_t *ha)
1736 {
1737         int             i, j;
1738
1739         for (j = 0; j < ha->hw.num_tx_rings; j++) {
1740                 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1741                         qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1742         }
1743
1744         if (ha->tx_tag != NULL) {
1745                 bus_dma_tag_destroy(ha->tx_tag);
1746                 ha->tx_tag = NULL;
1747         }
1748
1749         for (i = 0; i < ha->hw.num_tx_rings; i++) {
1750                 bzero((void *)ha->tx_ring[i].tx_buf,
1751                         (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1752         }
1753         return;
1754 }
1755
1756
1757 static int
1758 qla_alloc_rcv_std(qla_host_t *ha)
1759 {
1760         int             i, j, k, r, ret = 0;
1761         qla_rx_buf_t    *rxb;
1762         qla_rx_ring_t   *rx_ring;
1763
1764         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1765
1766                 rx_ring = &ha->rx_ring[r];
1767
1768                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1769
1770                         rxb = &rx_ring->rx_buf[i];
1771
1772                         ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1773                                         &rxb->map);
1774
1775                         if (ret) {
1776                                 device_printf(ha->pci_dev,
1777                                         "%s: dmamap[%d, %d] failed\n",
1778                                         __func__, r, i);
1779
1780                                 for (k = 0; k < r; k++) {
1781                                         for (j = 0; j < NUM_RX_DESCRIPTORS;
1782                                                 j++) {
1783                                                 rxb = &ha->rx_ring[k].rx_buf[j];
1784                                                 bus_dmamap_destroy(ha->rx_tag,
1785                                                         rxb->map);
1786                                         }
1787                                 }
1788
1789                                 for (j = 0; j < i; j++) {
1790                                         bus_dmamap_destroy(ha->rx_tag,
1791                                                 rx_ring->rx_buf[j].map);
1792                                 }
1793                                 goto qla_alloc_rcv_std_err;
1794                         }
1795                 }
1796         }
1797
1798         qla_init_hw_rcv_descriptors(ha);
1799
1800
1801         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1802
1803                 rx_ring = &ha->rx_ring[r];
1804
1805                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1806                         rxb = &rx_ring->rx_buf[i];
1807                         rxb->handle = i;
1808                         if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1809                                 /*
1810                                  * set the physical address in the
1811                                  * corresponding descriptor entry in the
1812                                  * receive ring/queue for the hba
1813                                  */
1814                                 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1815                                         rxb->paddr,
1816                                         (rxb->m_head)->m_pkthdr.len);
1817                         } else {
1818                                 device_printf(ha->pci_dev,
1819                                         "%s: ql_get_mbuf [%d, %d] failed\n",
1820                                         __func__, r, i);
1821                                 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1822                                 goto qla_alloc_rcv_std_err;
1823                         }
1824                 }
1825         }
1826         return 0;
1827
1828 qla_alloc_rcv_std_err:
1829         return (-1);
1830 }
1831
1832 static void
1833 qla_free_rcv_std(qla_host_t *ha)
1834 {
1835         int             i, r;
1836         qla_rx_buf_t    *rxb;
1837
1838         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1839                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1840                         rxb = &ha->rx_ring[r].rx_buf[i];
1841                         if (rxb->m_head != NULL) {
1842                                 bus_dmamap_unload(ha->rx_tag, rxb->map);
1843                                 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1844                                 m_freem(rxb->m_head);
1845                                 rxb->m_head = NULL;
1846                         }
1847                 }
1848         }
1849         return;
1850 }
1851
1852 static int
1853 qla_alloc_rcv_bufs(qla_host_t *ha)
1854 {
1855         int             i, ret = 0;
1856
1857         if (bus_dma_tag_create(NULL,    /* parent */
1858                         1, 0,    /* alignment, bounds */
1859                         BUS_SPACE_MAXADDR,       /* lowaddr */
1860                         BUS_SPACE_MAXADDR,       /* highaddr */
1861                         NULL, NULL,      /* filter, filterarg */
1862                         MJUM9BYTES,     /* maxsize */
1863                         1,        /* nsegments */
1864                         MJUM9BYTES,        /* maxsegsize */
1865                         BUS_DMA_ALLOCNOW,        /* flags */
1866                         NULL,    /* lockfunc */
1867                         NULL,    /* lockfuncarg */
1868                         &ha->rx_tag)) {
1869
1870                 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1871                         __func__);
1872
1873                 return (ENOMEM);
1874         }
1875
1876         bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1877
1878         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1879                 ha->hw.sds[i].sdsr_next = 0;
1880                 ha->hw.sds[i].rxb_free = NULL;
1881                 ha->hw.sds[i].rx_free = 0;
1882         }
1883
1884         ret = qla_alloc_rcv_std(ha);
1885
1886         return (ret);
1887 }
1888
1889 static void
1890 qla_free_rcv_bufs(qla_host_t *ha)
1891 {
1892         int             i;
1893
1894         qla_free_rcv_std(ha);
1895
1896         if (ha->rx_tag != NULL) {
1897                 bus_dma_tag_destroy(ha->rx_tag);
1898                 ha->rx_tag = NULL;
1899         }
1900
1901         bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1902
1903         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1904                 ha->hw.sds[i].sdsr_next = 0;
1905                 ha->hw.sds[i].rxb_free = NULL;
1906                 ha->hw.sds[i].rx_free = 0;
1907         }
1908
1909         return;
1910 }
1911
1912 int
1913 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1914 {
1915         register struct mbuf *mp = nmp;
1916         struct ifnet            *ifp;
1917         int                     ret = 0;
1918         uint32_t                offset;
1919         bus_dma_segment_t       segs[1];
1920         int                     nsegs, mbuf_size;
1921
1922         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1923
1924         ifp = ha->ifp;
1925
1926         if (ha->hw.enable_9kb)
1927                 mbuf_size = MJUM9BYTES;
1928         else
1929                 mbuf_size = MCLBYTES;
1930
1931         if (mp == NULL) {
1932
1933                 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
1934                         return(-1);
1935
1936                 if (ha->hw.enable_9kb)
1937                         mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
1938                 else
1939                         mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1940
1941                 if (mp == NULL) {
1942                         ha->err_m_getcl++;
1943                         ret = ENOBUFS;
1944                         device_printf(ha->pci_dev,
1945                                         "%s: m_getcl failed\n", __func__);
1946                         goto exit_ql_get_mbuf;
1947                 }
1948                 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1949         } else {
1950                 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1951                 mp->m_data = mp->m_ext.ext_buf;
1952                 mp->m_next = NULL;
1953         }
1954
1955         offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
1956         if (offset) {
1957                 offset = 8 - offset;
1958                 m_adj(mp, offset);
1959         }
1960
1961         /*
1962          * Using memory from the mbuf cluster pool, invoke the bus_dma
1963          * machinery to arrange the memory mapping.
1964          */
1965         ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
1966                         mp, segs, &nsegs, BUS_DMA_NOWAIT);
1967         rxb->paddr = segs[0].ds_addr;
1968
1969         if (ret || !rxb->paddr || (nsegs != 1)) {
1970                 m_free(mp);
1971                 rxb->m_head = NULL;
1972                 device_printf(ha->pci_dev,
1973                         "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
1974                         __func__, ret, (long long unsigned int)rxb->paddr,
1975                         nsegs);
1976                 ret = -1;
1977                 goto exit_ql_get_mbuf;
1978         }
1979         rxb->m_head = mp;
1980         bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
1981
1982 exit_ql_get_mbuf:
1983         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
1984         return (ret);
1985 }
1986
1987
1988 static void
1989 qla_get_peer(qla_host_t *ha)
1990 {
1991         device_t *peers;
1992         int count, i, slot;
1993         int my_slot = pci_get_slot(ha->pci_dev);
1994
1995         if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
1996                 return;
1997
1998         for (i = 0; i < count; i++) {
1999                 slot = pci_get_slot(peers[i]);
2000
2001                 if ((slot >= 0) && (slot == my_slot) &&
2002                         (pci_get_device(peers[i]) ==
2003                                 pci_get_device(ha->pci_dev))) {
2004                         if (ha->pci_dev != peers[i])
2005                                 ha->peer_dev = peers[i];
2006                 }
2007         }
2008 }
2009
2010 static void
2011 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
2012 {
2013         qla_host_t *ha_peer;
2014
2015         if (ha->peer_dev) {
2016                 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
2017
2018                         ha_peer->msg_from_peer = msg_to_peer;
2019                 }
2020         }
2021 }
2022
2023 static void
2024 qla_error_recovery(void *context, int pending)
2025 {
2026         qla_host_t *ha = context;
2027         uint32_t msecs_100 = 100;
2028         struct ifnet *ifp = ha->ifp;
2029         int i = 0;
2030
2031 device_printf(ha->pci_dev, "%s: \n", __func__);
2032         ha->hw.imd_compl = 1;
2033
2034         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2035                 return;
2036
2037 device_printf(ha->pci_dev, "%s: enter\n", __func__);
2038
2039         if (ha->qla_interface_up) {
2040
2041                 qla_mdelay(__func__, 300);
2042
2043                 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2044
2045                 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2046                         qla_tx_fp_t *fp;
2047
2048                         fp = &ha->tx_fp[i];
2049
2050                         if (fp == NULL)
2051                                 continue;
2052
2053                         if (fp->tx_br != NULL) {
2054                                 mtx_lock(&fp->tx_mtx);
2055                                 mtx_unlock(&fp->tx_mtx);
2056                         }
2057                 }
2058         }
2059
2060
2061         qla_drain_fp_taskqueues(ha);
2062
2063         if ((ha->pci_func & 0x1) == 0) {
2064
2065                 if (!ha->msg_from_peer) {
2066                         qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2067
2068                         while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2069                                 msecs_100--)
2070                                 qla_mdelay(__func__, 100);
2071                 }
2072
2073                 ha->msg_from_peer = 0;
2074
2075                 if (ha->enable_minidump)
2076                         ql_minidump(ha);
2077
2078                 (void) ql_init_hw(ha);
2079
2080                 if (ha->qla_interface_up) {
2081                         qla_free_xmt_bufs(ha);
2082                         qla_free_rcv_bufs(ha);
2083                 }
2084
2085                 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2086
2087         } else {
2088                 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2089
2090                         ha->msg_from_peer = 0;
2091
2092                         qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2093                 } else {
2094                         qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2095                 }
2096
2097                 while ((ha->msg_from_peer != QL_PEER_MSG_ACK)  && msecs_100--)
2098                         qla_mdelay(__func__, 100);
2099                 ha->msg_from_peer = 0;
2100
2101                 (void) ql_init_hw(ha);
2102
2103                 qla_mdelay(__func__, 1000);
2104
2105                 if (ha->qla_interface_up) {
2106                         qla_free_xmt_bufs(ha);
2107                         qla_free_rcv_bufs(ha);
2108                 }
2109         }
2110
2111         if (ha->qla_interface_up) {
2112
2113                 if (qla_alloc_xmt_bufs(ha) != 0) {
2114                         goto qla_error_recovery_exit;
2115                 }
2116                 qla_confirm_9kb_enable(ha);
2117
2118                 if (qla_alloc_rcv_bufs(ha) != 0) {
2119                         goto qla_error_recovery_exit;
2120                 }
2121
2122                 ha->stop_rcv = 0;
2123
2124                 if (ql_init_hw_if(ha) == 0) {
2125                         ifp = ha->ifp;
2126                         ifp->if_drv_flags |= IFF_DRV_RUNNING;
2127                         ha->qla_watchdog_pause = 0;
2128                 }
2129         } else
2130                 ha->qla_watchdog_pause = 0;
2131
2132 qla_error_recovery_exit:
2133
2134 device_printf(ha->pci_dev, "%s: exit\n", __func__);
2135
2136         QLA_UNLOCK(ha, __func__);
2137
2138         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2139                 qla_watchdog, ha);
2140         return;
2141 }
2142
2143 static void
2144 qla_async_event(void *context, int pending)
2145 {
2146         qla_host_t *ha = context;
2147
2148         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2149                 return;
2150
2151         if (ha->async_event) {
2152                 ha->async_event = 0;
2153                 qla_hw_async_event(ha);
2154         }
2155
2156         QLA_UNLOCK(ha, __func__);
2157
2158         return;
2159 }
2160
2161 static void
2162 qla_stats(void *context, int pending)
2163 {
2164         qla_host_t *ha;
2165
2166         ha = context;
2167
2168         ql_get_stats(ha);
2169         return;
2170 }
2171