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         /* create the o.s ethernet interface */
 496         qla_init_ifnet(dev, ha);
 497
 498         ha->flags.qla_watchdog_active = 1;
 499         ha->qla_watchdog_pause = 0;
 500
 501         callout_init(&ha->tx_callout, TRUE);
 502         ha->flags.qla_callout_init = 1;
 503
 504         /* create ioctl device interface */
 505         if (ql_make_cdev(ha)) {
 506                 device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
 507                 goto qla_pci_attach_err;
 508         }
 509
 510         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
 511                 qla_watchdog, ha);
 512
 513         TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha);
 514         ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT,
 515                         taskqueue_thread_enqueue, &ha->err_tq);
 516         taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
 517                 device_get_nameunit(ha->pci_dev));
 518
 519         TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha);
 520         ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT,
 521                         taskqueue_thread_enqueue, &ha->async_event_tq);
 522         taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq",
 523                 device_get_nameunit(ha->pci_dev));
 524
 525         TASK_INIT(&ha->stats_task, 0, qla_stats, ha);
 526         ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT,
 527                         taskqueue_thread_enqueue, &ha->stats_tq);
 528         taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq",
 529                 device_get_nameunit(ha->pci_dev));
 530
 531         QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__));
 532         return (0);
 533
 534 qla_pci_attach_err:
 535
 536         qla_release(ha);
 537
 538         if (ha->flags.lock_init) {
 539                 mtx_destroy(&ha->hw_lock);
 540         }
 541
 542         QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__));
 543         return (ENXIO);
 544 }
 545
 546 /*
 547  * Name:        qla_pci_detach
 548  * Function:    Unhooks the device from the operating system
 549  */
 550 static int
 551 qla_pci_detach(device_t dev)
 552 {
 553         qla_host_t *ha = NULL;
 554         struct ifnet *ifp;
 555
 556
 557         if ((ha = device_get_softc(dev)) == NULL) {
 558                 device_printf(dev, "cannot get softc\n");
 559                 return (ENOMEM);
 560         }
 561
 562         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 563
 564         ifp = ha->ifp;
 565
 566         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 567         QLA_LOCK(ha, __func__, -1, 0);
 568
 569         ha->qla_detach_active = 1;
 570         qla_stop(ha);
 571
 572         qla_release(ha);
 573
 574         QLA_UNLOCK(ha, __func__);
 575
 576         if (ha->flags.lock_init) {
 577                 mtx_destroy(&ha->hw_lock);
 578         }
 579
 580         QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
 581
 582         return (0);
 583 }
 584
 585 /*
 586  * SYSCTL Related Callbacks
 587  */
 588 static int
 589 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)
 590 {
 591         int err, ret = 0;
 592         qla_host_t *ha;
 593
 594         err = sysctl_handle_int(oidp, &ret, 0, req);
 595
 596         if (err || !req->newptr)
 597                 return (err);
 598
 599         if (ret == 1) {
 600                 ha = (qla_host_t *)arg1;
 601                 ql_hw_link_status(ha);
 602         }
 603         return (err);
 604 }
 605
 606 /*
 607  * Name:        qla_release
 608  * Function:    Releases the resources allocated for the device
 609  */
 610 static void
 611 qla_release(qla_host_t *ha)
 612 {
 613         device_t dev;
 614         int i;
 615
 616         dev = ha->pci_dev;
 617
 618         if (ha->async_event_tq) {
 619                 taskqueue_drain(ha->async_event_tq, &ha->async_event_task);
 620                 taskqueue_free(ha->async_event_tq);
 621         }
 622
 623         if (ha->err_tq) {
 624                 taskqueue_drain(ha->err_tq, &ha->err_task);
 625                 taskqueue_free(ha->err_tq);
 626         }
 627
 628         if (ha->stats_tq) {
 629                 taskqueue_drain(ha->stats_tq, &ha->stats_task);
 630                 taskqueue_free(ha->stats_tq);
 631         }
 632
 633         ql_del_cdev(ha);
 634
 635         if (ha->flags.qla_watchdog_active) {
 636                 ha->qla_watchdog_exit = 1;
 637
 638                 while (ha->qla_watchdog_exited == 0)
 639                         qla_mdelay(__func__, 1);
 640         }
 641
 642         if (ha->flags.qla_callout_init)
 643                 callout_stop(&ha->tx_callout);
 644
 645         if (ha->ifp != NULL)
 646                 ether_ifdetach(ha->ifp);
 647
 648         ql_free_dma(ha);
 649         qla_free_parent_dma_tag(ha);
 650
 651         if (ha->mbx_handle)
 652                 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle);
 653
 654         if (ha->mbx_irq)
 655                 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid,
 656                                 ha->mbx_irq);
 657
 658         for (i = 0; i < ha->hw.num_sds_rings; i++) {
 659
 660                 if (ha->irq_vec[i].handle) {
 661                         (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
 662                                         ha->irq_vec[i].handle);
 663                 }
 664
 665                 if (ha->irq_vec[i].irq) {
 666                         (void)bus_release_resource(dev, SYS_RES_IRQ,
 667                                 ha->irq_vec[i].irq_rid,
 668                                 ha->irq_vec[i].irq);
 669                 }
 670
 671                 qla_free_tx_br(ha, &ha->tx_fp[i]);
 672         }
 673         qla_destroy_fp_taskqueues(ha);
 674
 675         if (ha->msix_count)
 676                 pci_release_msi(dev);
 677
 678 //      if (ha->flags.lock_init) {
 679 //              mtx_destroy(&ha->hw_lock);
 680 //      }
 681
 682         if (ha->pci_reg)
 683                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
 684                                 ha->pci_reg);
 685
 686         if (ha->pci_reg1)
 687                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
 688                                 ha->pci_reg1);
 689
 690         return;
 691 }
 692
 693 /*
 694  * DMA Related Functions
 695  */
 696
 697 static void
 698 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 699 {
 700         *((bus_addr_t *)arg) = 0;
 701
 702         if (error) {
 703                 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
 704                 return;
 705         }
 706
 707         *((bus_addr_t *)arg) = segs[0].ds_addr;
 708
 709         return;
 710 }
 711
 712 int
 713 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 714 {
 715         int             ret = 0;
 716         device_t        dev;
 717         bus_addr_t      b_addr;
 718
 719         dev = ha->pci_dev;
 720
 721         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 722
 723         ret = bus_dma_tag_create(
 724                         ha->parent_tag,/* parent */
 725                         dma_buf->alignment,
 726                         ((bus_size_t)(1ULL << 32)),/* boundary */
 727                         BUS_SPACE_MAXADDR,      /* lowaddr */
 728                         BUS_SPACE_MAXADDR,      /* highaddr */
 729                         NULL, NULL,             /* filter, filterarg */
 730                         dma_buf->size,          /* maxsize */
 731                         1,                      /* nsegments */
 732                         dma_buf->size,          /* maxsegsize */
 733                         0,                      /* flags */
 734                         NULL, NULL,             /* lockfunc, lockarg */
 735                         &dma_buf->dma_tag);
 736
 737         if (ret) {
 738                 device_printf(dev, "%s: could not create dma tag\n", __func__);
 739                 goto ql_alloc_dmabuf_exit;
 740         }
 741         ret = bus_dmamem_alloc(dma_buf->dma_tag,
 742                         (void **)&dma_buf->dma_b,
 743                         (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
 744                         &dma_buf->dma_map);
 745         if (ret) {
 746                 bus_dma_tag_destroy(dma_buf->dma_tag);
 747                 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
 748                 goto ql_alloc_dmabuf_exit;
 749         }
 750
 751         ret = bus_dmamap_load(dma_buf->dma_tag,
 752                         dma_buf->dma_map,
 753                         dma_buf->dma_b,
 754                         dma_buf->size,
 755                         qla_dmamap_callback,
 756                         &b_addr, BUS_DMA_NOWAIT);
 757
 758         if (ret || !b_addr) {
 759                 bus_dma_tag_destroy(dma_buf->dma_tag);
 760                 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
 761                         dma_buf->dma_map);
 762                 ret = -1;
 763                 goto ql_alloc_dmabuf_exit;
 764         }
 765
 766         dma_buf->dma_addr = b_addr;
 767
 768 ql_alloc_dmabuf_exit:
 769         QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
 770                 __func__, ret, (void *)dma_buf->dma_tag,
 771                 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
 772                 dma_buf->size));
 773
 774         return ret;
 775 }
 776
 777 void
 778 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 779 {
 780         bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
 781         bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
 782         bus_dma_tag_destroy(dma_buf->dma_tag);
 783 }
 784
 785 static int
 786 qla_alloc_parent_dma_tag(qla_host_t *ha)
 787 {
 788         int             ret;
 789         device_t        dev;
 790
 791         dev = ha->pci_dev;
 792
 793         /*
 794          * Allocate parent DMA Tag
 795          */
 796         ret = bus_dma_tag_create(
 797                         bus_get_dma_tag(dev),   /* parent */
 798                         1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
 799                         BUS_SPACE_MAXADDR,      /* lowaddr */
 800                         BUS_SPACE_MAXADDR,      /* highaddr */
 801                         NULL, NULL,             /* filter, filterarg */
 802                         BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
 803                         0,                      /* nsegments */
 804                         BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
 805                         0,                      /* flags */
 806                         NULL, NULL,             /* lockfunc, lockarg */
 807                         &ha->parent_tag);
 808
 809         if (ret) {
 810                 device_printf(dev, "%s: could not create parent dma tag\n",
 811                         __func__);
 812                 return (-1);
 813         }
 814
 815         ha->flags.parent_tag = 1;
 816
 817         return (0);
 818 }
 819
 820 static void
 821 qla_free_parent_dma_tag(qla_host_t *ha)
 822 {
 823         if (ha->flags.parent_tag) {
 824                 bus_dma_tag_destroy(ha->parent_tag);
 825                 ha->flags.parent_tag = 0;
 826         }
 827 }
 828
 829 /*
 830  * Name: qla_init_ifnet
 831  * Function: Creates the Network Device Interface and Registers it with the O.S
 832  */
 833
 834 static void
 835 qla_init_ifnet(device_t dev, qla_host_t *ha)
 836 {
 837         struct ifnet *ifp;
 838
 839         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 840
 841         ifp = ha->ifp = if_alloc(IFT_ETHER);
 842
 843         if (ifp == NULL)
 844                 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
 845
 846         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 847
 848 #if __FreeBSD_version >= 1000000
 849         if_initbaudrate(ifp, IF_Gbps(10));
 850         ifp->if_capabilities = IFCAP_LINKSTATE;
 851 #else
 852         ifp->if_mtu = ETHERMTU;
 853         ifp->if_baudrate = (1 * 1000 * 1000 *1000);
 854
 855 #endif /* #if __FreeBSD_version >= 1000000 */
 856
 857         ifp->if_init = qla_init;
 858         ifp->if_softc = ha;
 859         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 860         ifp->if_ioctl = qla_ioctl;
 861
 862         ifp->if_transmit = qla_transmit;
 863         ifp->if_qflush = qla_qflush;
 864
 865         IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha));
 866         ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha);
 867         IFQ_SET_READY(&ifp->if_snd);
 868
 869         ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 870
 871         ether_ifattach(ifp, qla_get_mac_addr(ha));
 872
 873         ifp->if_capabilities |= IFCAP_HWCSUM |
 874                                 IFCAP_TSO4 |
 875                                 IFCAP_JUMBO_MTU |
 876                                 IFCAP_VLAN_HWTAGGING |
 877                                 IFCAP_VLAN_MTU |
 878                                 IFCAP_VLAN_HWTSO |
 879                                 IFCAP_LRO;
 880
 881         ifp->if_capenable = ifp->if_capabilities;
 882
 883         ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
 884
 885         ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
 886
 887         ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
 888                 NULL);
 889         ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
 890
 891         ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
 892
 893         QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
 894
 895         return;
 896 }
 897
 898 static void
 899 qla_init_locked(qla_host_t *ha)
 900 {
 901         struct ifnet *ifp = ha->ifp;
 902
 903         qla_stop(ha);
 904
 905         if (qla_alloc_xmt_bufs(ha) != 0)
 906                 return;
 907
 908         qla_confirm_9kb_enable(ha);
 909
 910         if (qla_alloc_rcv_bufs(ha) != 0)
 911                 return;
 912
 913         bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
 914
 915         ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO;
 916         ifp->if_hwassist |= CSUM_TCP_IPV6 | CSUM_UDP_IPV6;
 917
 918         ha->stop_rcv = 0;
 919         if (ql_init_hw_if(ha) == 0) {
 920                 ifp = ha->ifp;
 921                 ifp->if_drv_flags |= IFF_DRV_RUNNING;
 922                 ha->qla_watchdog_pause = 0;
 923                 ha->hw_vlan_tx_frames = 0;
 924                 ha->tx_tso_frames = 0;
 925                 ha->qla_interface_up = 1;
 926                 ql_update_link_state(ha);
 927         }
 928
 929         return;
 930 }
 931
 932 static void
 933 qla_init(void *arg)
 934 {
 935         qla_host_t *ha;
 936
 937         ha = (qla_host_t *)arg;
 938
 939         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
 940
 941         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
 942                 return;
 943
 944         qla_init_locked(ha);
 945
 946         QLA_UNLOCK(ha, __func__);
 947
 948         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
 949 }
 950
 951 static int
 952 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
 953 {
 954         uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
 955         struct ifmultiaddr *ifma;
 956         int mcnt = 0;
 957         struct ifnet *ifp = ha->ifp;
 958         int ret = 0;
 959
 960         if_maddr_rlock(ifp);
 961
 962         TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
 963
 964                 if (ifma->ifma_addr->sa_family != AF_LINK)
 965                         continue;
 966
 967                 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
 968                         break;
 969
 970                 bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
 971                         &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
 972
 973                 mcnt++;
 974         }
 975
 976         if_maddr_runlock(ifp);
 977
 978         if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
 979                 QLA_LOCK_NO_SLEEP) != 0)
 980                 return (-1);
 981
 982         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
 983                 ret = ql_hw_set_multi(ha, mta, mcnt, add_multi);
 984         }
 985
 986         QLA_UNLOCK(ha, __func__);
 987
 988         return (ret);
 989 }
 990
 991 static int
 992 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 993 {
 994         int ret = 0;
 995         struct ifreq *ifr = (struct ifreq *)data;
 996         struct ifaddr *ifa = (struct ifaddr *)data;
 997         qla_host_t *ha;
 998
 999         ha = (qla_host_t *)ifp->if_softc;
1000
1001         switch (cmd) {
1002         case SIOCSIFADDR:
1003                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1004                         __func__, cmd));
1005
1006                 if (ifa->ifa_addr->sa_family == AF_INET) {
1007
1008                         ret = QLA_LOCK(ha, __func__,
1009                                         QLA_LOCK_DEFAULT_MS_TIMEOUT,
1010                                         QLA_LOCK_NO_SLEEP);
1011                         if (ret)
1012                                 break;
1013
1014                         ifp->if_flags |= IFF_UP;
1015
1016                         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
1017                                 qla_init_locked(ha);
1018                         }
1019
1020                         QLA_UNLOCK(ha, __func__);
1021                         QL_DPRINT4(ha, (ha->pci_dev,
1022                                 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1023                                 __func__, cmd,
1024                                 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1025
1026                         arp_ifinit(ifp, ifa);
1027                 } else {
1028                         ether_ioctl(ifp, cmd, data);
1029                 }
1030                 break;
1031
1032         case SIOCSIFMTU:
1033                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1034                         __func__, cmd));
1035
1036                 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1037                         ret = EINVAL;
1038                 } else {
1039                         ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1040                                         QLA_LOCK_NO_SLEEP);
1041
1042                         if (ret)
1043                                 break;
1044
1045                         ifp->if_mtu = ifr->ifr_mtu;
1046                         ha->max_frame_size =
1047                                 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1048
1049                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1050                                 qla_init_locked(ha);
1051                         }
1052
1053                         if (ifp->if_mtu > ETHERMTU)
1054                                 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1055                         else
1056                                 ha->std_replenish = QL_STD_REPLENISH_THRES;
1057
1058
1059                         QLA_UNLOCK(ha, __func__);
1060                 }
1061
1062                 break;
1063
1064         case SIOCSIFFLAGS:
1065                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1066                         __func__, cmd));
1067
1068                 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1069                                 QLA_LOCK_NO_SLEEP);
1070
1071                 if (ret)
1072                         break;
1073
1074                 if (ifp->if_flags & IFF_UP) {
1075
1076                         ha->max_frame_size = ifp->if_mtu +
1077                                         ETHER_HDR_LEN + ETHER_CRC_LEN;
1078                         qla_init_locked(ha);
1079
1080                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1081                                 if ((ifp->if_flags ^ ha->if_flags) &
1082                                         IFF_PROMISC) {
1083                                         ret = ql_set_promisc(ha);
1084                                 } else if ((ifp->if_flags ^ ha->if_flags) &
1085                                         IFF_ALLMULTI) {
1086                                         ret = ql_set_allmulti(ha);
1087                                 }
1088                         }
1089                 } else {
1090                         if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1091                                 qla_stop(ha);
1092                         ha->if_flags = ifp->if_flags;
1093                 }
1094
1095                 QLA_UNLOCK(ha, __func__);
1096                 break;
1097
1098         case SIOCADDMULTI:
1099                 QL_DPRINT4(ha, (ha->pci_dev,
1100                         "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1101
1102                 if (qla_set_multi(ha, 1))
1103                         ret = EINVAL;
1104                 break;
1105
1106         case SIOCDELMULTI:
1107                 QL_DPRINT4(ha, (ha->pci_dev,
1108                         "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1109
1110                 if (qla_set_multi(ha, 0))
1111                         ret = EINVAL;
1112                 break;
1113
1114         case SIOCSIFMEDIA:
1115         case SIOCGIFMEDIA:
1116                 QL_DPRINT4(ha, (ha->pci_dev,
1117                         "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1118                         __func__, cmd));
1119                 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1120                 break;
1121
1122         case SIOCSIFCAP:
1123         {
1124                 int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1125
1126                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1127                         __func__, cmd));
1128
1129                 if (mask & IFCAP_HWCSUM)
1130                         ifp->if_capenable ^= IFCAP_HWCSUM;
1131                 if (mask & IFCAP_TSO4)
1132                         ifp->if_capenable ^= IFCAP_TSO4;
1133                 if (mask & IFCAP_TSO6)
1134                         ifp->if_capenable ^= IFCAP_TSO6;
1135                 if (mask & IFCAP_VLAN_HWTAGGING)
1136                         ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1137                 if (mask & IFCAP_VLAN_HWTSO)
1138                         ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1139                 if (mask & IFCAP_LRO)
1140                         ifp->if_capenable ^= IFCAP_LRO;
1141
1142                 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1143                         ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1144                                 QLA_LOCK_NO_SLEEP);
1145
1146                         if (ret)
1147                                 break;
1148
1149                         qla_init_locked(ha);
1150
1151                         QLA_UNLOCK(ha, __func__);
1152
1153                 }
1154                 VLAN_CAPABILITIES(ifp);
1155                 break;
1156         }
1157
1158         default:
1159                 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1160                         __func__, cmd));
1161                 ret = ether_ioctl(ifp, cmd, data);
1162                 break;
1163         }
1164
1165         return (ret);
1166 }
1167
1168 static int
1169 qla_media_change(struct ifnet *ifp)
1170 {
1171         qla_host_t *ha;
1172         struct ifmedia *ifm;
1173         int ret = 0;
1174
1175         ha = (qla_host_t *)ifp->if_softc;
1176
1177         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1178
1179         ifm = &ha->media;
1180
1181         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1182                 ret = EINVAL;
1183
1184         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1185
1186         return (ret);
1187 }
1188
1189 static void
1190 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1191 {
1192         qla_host_t *ha;
1193
1194         ha = (qla_host_t *)ifp->if_softc;
1195
1196         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1197
1198         ifmr->ifm_status = IFM_AVALID;
1199         ifmr->ifm_active = IFM_ETHER;
1200
1201         ql_update_link_state(ha);
1202         if (ha->hw.link_up) {
1203                 ifmr->ifm_status |= IFM_ACTIVE;
1204                 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1205         }
1206
1207         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1208                 (ha->hw.link_up ? "link_up" : "link_down")));
1209
1210         return;
1211 }
1212
1213
1214 static int
1215 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1216         uint32_t iscsi_pdu)
1217 {
1218         bus_dma_segment_t       segs[QLA_MAX_SEGMENTS];
1219         bus_dmamap_t            map;
1220         int                     nsegs;
1221         int                     ret = -1;
1222         uint32_t                tx_idx;
1223         struct mbuf             *m_head = *m_headp;
1224
1225         QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1226
1227         if (m_head->m_flags & M_FLOWID) {
1228 #ifdef QL_ENABLE_ISCSI_TLV
1229                 if (qla_iscsi_pdu(ha, m_head) == 0) {
1230                         iscsi_pdu = 1;
1231                         txr_idx = m_head->m_pkthdr.flowid &
1232                                         ((ha->hw.num_tx_rings >> 1) - 1);
1233                 } else {
1234                         txr_idx = m_head->m_pkthdr.flowid &
1235                                         (ha->hw.num_tx_rings - 1);
1236                 }
1237 #else
1238                 txr_idx = m_head->m_pkthdr.flowid & (ha->hw.num_tx_rings - 1);
1239 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1240         }
1241
1242
1243         tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1244         map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1245
1246         ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1247                         BUS_DMA_NOWAIT);
1248
1249         if (ret == EFBIG) {
1250
1251                 struct mbuf *m;
1252
1253                 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1254                         m_head->m_pkthdr.len));
1255
1256                 m = m_defrag(m_head, M_NOWAIT);
1257                 if (m == NULL) {
1258                         ha->err_tx_defrag++;
1259                         m_freem(m_head);
1260                         *m_headp = NULL;
1261                         device_printf(ha->pci_dev,
1262                                 "%s: m_defrag() = NULL [%d]\n",
1263                                 __func__, ret);
1264                         return (ENOBUFS);
1265                 }
1266                 m_head = m;
1267                 *m_headp = m_head;
1268
1269                 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1270                                         segs, &nsegs, BUS_DMA_NOWAIT))) {
1271
1272                         ha->err_tx_dmamap_load++;
1273
1274                         device_printf(ha->pci_dev,
1275                                 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1276                                 __func__, ret, m_head->m_pkthdr.len);
1277
1278                         if (ret != ENOMEM) {
1279                                 m_freem(m_head);
1280                                 *m_headp = NULL;
1281                         }
1282                         return (ret);
1283                 }
1284
1285         } else if (ret) {
1286
1287                 ha->err_tx_dmamap_load++;
1288
1289                 device_printf(ha->pci_dev,
1290                         "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1291                         __func__, ret, m_head->m_pkthdr.len);
1292
1293                 if (ret != ENOMEM) {
1294                         m_freem(m_head);
1295                         *m_headp = NULL;
1296                 }
1297                 return (ret);
1298         }
1299
1300         QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1301
1302         bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1303
1304         if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1305                                 iscsi_pdu))) {
1306                 ha->tx_ring[txr_idx].count++;
1307                 if (iscsi_pdu)
1308                         ha->tx_ring[txr_idx].iscsi_pkt_count++;
1309                 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1310         } else {
1311                 if (ret == EINVAL) {
1312                         if (m_head)
1313                                 m_freem(m_head);
1314                         *m_headp = NULL;
1315                 }
1316         }
1317
1318         QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1319         return (ret);
1320 }
1321
1322 static int
1323 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1324 {
1325         snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1326                 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1327
1328         mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1329
1330         fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1331                                    M_NOWAIT, &fp->tx_mtx);
1332         if (fp->tx_br == NULL) {
1333             QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1334                 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1335             return (-ENOMEM);
1336         }
1337         return 0;
1338 }
1339
1340 static void
1341 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1342 {
1343         struct mbuf *mp;
1344         struct ifnet *ifp = ha->ifp;
1345
1346         if (mtx_initialized(&fp->tx_mtx)) {
1347
1348                 if (fp->tx_br != NULL) {
1349
1350                         mtx_lock(&fp->tx_mtx);
1351
1352                         while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1353                                 m_freem(mp);
1354                         }
1355
1356                         mtx_unlock(&fp->tx_mtx);
1357
1358                         buf_ring_free(fp->tx_br, M_DEVBUF);
1359                         fp->tx_br = NULL;
1360                 }
1361                 mtx_destroy(&fp->tx_mtx);
1362         }
1363         return;
1364 }
1365
1366 static void
1367 qla_fp_taskqueue(void *context, int pending)
1368 {
1369         qla_tx_fp_t *fp;
1370         qla_host_t *ha;
1371         struct ifnet *ifp;
1372         struct mbuf  *mp = NULL;
1373         int ret = 0;
1374         uint32_t txr_idx;
1375         uint32_t iscsi_pdu = 0;
1376         uint32_t rx_pkts_left = -1;
1377
1378         fp = context;
1379
1380         if (fp == NULL)
1381                 return;
1382
1383         ha = (qla_host_t *)fp->ha;
1384
1385         ifp = ha->ifp;
1386
1387         txr_idx = fp->txr_idx;
1388
1389         mtx_lock(&fp->tx_mtx);
1390
1391         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1392                 mtx_unlock(&fp->tx_mtx);
1393                 goto qla_fp_taskqueue_exit;
1394         }
1395
1396         while (rx_pkts_left && !ha->stop_rcv) {
1397                 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1398
1399 #ifdef QL_ENABLE_ISCSI_TLV
1400                 ql_hw_tx_done_locked(ha, fp->txr_idx);
1401                 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1402 #else
1403                 ql_hw_tx_done_locked(ha, fp->txr_idx);
1404 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1405
1406                 mp = drbr_peek(ifp, fp->tx_br);
1407
1408                 while (mp != NULL) {
1409
1410                         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1411 #ifdef QL_ENABLE_ISCSI_TLV
1412                                 if (ql_iscsi_pdu(ha, mp) == 0) {
1413                                         txr_idx = txr_idx +
1414                                                 (ha->hw.num_tx_rings >> 1);
1415                                         iscsi_pdu = 1;
1416                                 } else {
1417                                         iscsi_pdu = 0;
1418                                         txr_idx = fp->txr_idx;
1419                                 }
1420 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1421                         }
1422
1423                         ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1424
1425                         if (ret) {
1426                                 if (mp != NULL)
1427                                         drbr_putback(ifp, fp->tx_br, mp);
1428                                 else {
1429                                         drbr_advance(ifp, fp->tx_br);
1430                                 }
1431
1432                                 mtx_unlock(&fp->tx_mtx);
1433
1434                                 goto qla_fp_taskqueue_exit0;
1435                         } else {
1436                                 drbr_advance(ifp, fp->tx_br);
1437                         }
1438
1439                         mp = drbr_peek(ifp, fp->tx_br);
1440                 }
1441         }
1442         mtx_unlock(&fp->tx_mtx);
1443
1444 qla_fp_taskqueue_exit0:
1445
1446         if (rx_pkts_left || ((mp != NULL) && ret)) {
1447                 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1448         } else {
1449                 if (!ha->stop_rcv) {
1450                         QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1451                 }
1452         }
1453
1454 qla_fp_taskqueue_exit:
1455
1456         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1457         return;
1458 }
1459
1460 static int
1461 qla_create_fp_taskqueues(qla_host_t *ha)
1462 {
1463         int     i;
1464         uint8_t tq_name[32];
1465
1466         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1467
1468                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1469
1470                 bzero(tq_name, sizeof (tq_name));
1471                 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1472
1473                 TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1474
1475                 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1476                                         taskqueue_thread_enqueue,
1477                                         &fp->fp_taskqueue);
1478
1479                 if (fp->fp_taskqueue == NULL)
1480                         return (-1);
1481
1482                 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1483                         tq_name);
1484
1485                 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1486                         fp->fp_taskqueue));
1487         }
1488
1489         return (0);
1490 }
1491
1492 static void
1493 qla_destroy_fp_taskqueues(qla_host_t *ha)
1494 {
1495         int     i;
1496
1497         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1498
1499                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1500
1501                 if (fp->fp_taskqueue != NULL) {
1502                         taskqueue_drain(fp->fp_taskqueue, &fp->fp_task);
1503                         taskqueue_free(fp->fp_taskqueue);
1504                         fp->fp_taskqueue = NULL;
1505                 }
1506         }
1507         return;
1508 }
1509
1510 static void
1511 qla_drain_fp_taskqueues(qla_host_t *ha)
1512 {
1513         int     i;
1514
1515         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1516                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1517
1518                 if (fp->fp_taskqueue != NULL) {
1519                         taskqueue_drain(fp->fp_taskqueue, &fp->fp_task);
1520                 }
1521         }
1522         return;
1523 }
1524
1525 static int
1526 qla_transmit(struct ifnet *ifp, struct mbuf  *mp)
1527 {
1528         qla_host_t *ha = (qla_host_t *)ifp->if_softc;
1529         qla_tx_fp_t *fp;
1530         int rss_id = 0;
1531         int ret = 0;
1532
1533         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1534
1535 #if __FreeBSD_version >= 1100000
1536         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1537 #else
1538         if (mp->m_flags & M_FLOWID)
1539 #endif
1540                 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1541                                         ha->hw.num_sds_rings;
1542         fp = &ha->tx_fp[rss_id];
1543
1544         if (fp->tx_br == NULL) {
1545                 ret = EINVAL;
1546                 goto qla_transmit_exit;
1547         }
1548
1549         if (mp != NULL) {
1550                 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1551         }
1552
1553         if (fp->fp_taskqueue != NULL)
1554                 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1555
1556         ret = 0;
1557
1558 qla_transmit_exit:
1559
1560         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1561         return ret;
1562 }
1563
1564 static void
1565 qla_qflush(struct ifnet *ifp)
1566 {
1567         int                     i;
1568         qla_tx_fp_t             *fp;
1569         struct mbuf             *mp;
1570         qla_host_t              *ha;
1571
1572         ha = (qla_host_t *)ifp->if_softc;
1573
1574         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1575
1576         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1577
1578                 fp = &ha->tx_fp[i];
1579
1580                 if (fp == NULL)
1581                         continue;
1582
1583                 if (fp->tx_br) {
1584                         mtx_lock(&fp->tx_mtx);
1585
1586                         while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1587                                 m_freem(mp);
1588                         }
1589                         mtx_unlock(&fp->tx_mtx);
1590                 }
1591         }
1592         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1593
1594         return;
1595 }
1596
1597 static void
1598 qla_stop(qla_host_t *ha)
1599 {
1600         struct ifnet *ifp = ha->ifp;
1601         device_t        dev;
1602         int i = 0;
1603
1604         dev = ha->pci_dev;
1605
1606         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1607         ha->qla_watchdog_pause = 1;
1608
1609         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1610                 qla_tx_fp_t *fp;
1611
1612                 fp = &ha->tx_fp[i];
1613
1614                 if (fp == NULL)
1615                         continue;
1616
1617                 if (fp->tx_br != NULL) {
1618                         mtx_lock(&fp->tx_mtx);
1619                         mtx_unlock(&fp->tx_mtx);
1620                 }
1621         }
1622
1623         while (!ha->qla_watchdog_paused)
1624                 qla_mdelay(__func__, 1);
1625
1626         ha->qla_interface_up = 0;
1627
1628         qla_drain_fp_taskqueues(ha);
1629
1630         ql_del_hw_if(ha);
1631
1632         qla_free_xmt_bufs(ha);
1633         qla_free_rcv_bufs(ha);
1634
1635         return;
1636 }
1637
1638 /*
1639  * Buffer Management Functions for Transmit and Receive Rings
1640  */
1641 static int
1642 qla_alloc_xmt_bufs(qla_host_t *ha)
1643 {
1644         int ret = 0;
1645         uint32_t i, j;
1646         qla_tx_buf_t *txb;
1647
1648         if (bus_dma_tag_create(NULL,    /* parent */
1649                 1, 0,    /* alignment, bounds */
1650                 BUS_SPACE_MAXADDR,       /* lowaddr */
1651                 BUS_SPACE_MAXADDR,       /* highaddr */
1652                 NULL, NULL,      /* filter, filterarg */
1653                 QLA_MAX_TSO_FRAME_SIZE,     /* maxsize */
1654                 QLA_MAX_SEGMENTS,        /* nsegments */
1655                 PAGE_SIZE,        /* maxsegsize */
1656                 BUS_DMA_ALLOCNOW,        /* flags */
1657                 NULL,    /* lockfunc */
1658                 NULL,    /* lockfuncarg */
1659                 &ha->tx_tag)) {
1660                 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1661                         __func__);
1662                 return (ENOMEM);
1663         }
1664
1665         for (i = 0; i < ha->hw.num_tx_rings; i++) {
1666                 bzero((void *)ha->tx_ring[i].tx_buf,
1667                         (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1668         }
1669
1670         for (j = 0; j < ha->hw.num_tx_rings; j++) {
1671                 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1672
1673                         txb = &ha->tx_ring[j].tx_buf[i];
1674
1675                         if ((ret = bus_dmamap_create(ha->tx_tag,
1676                                         BUS_DMA_NOWAIT, &txb->map))) {
1677
1678                                 ha->err_tx_dmamap_create++;
1679                                 device_printf(ha->pci_dev,
1680                                         "%s: bus_dmamap_create failed[%d]\n",
1681                                         __func__, ret);
1682
1683                                 qla_free_xmt_bufs(ha);
1684
1685                                 return (ret);
1686                         }
1687                 }
1688         }
1689
1690         return 0;
1691 }
1692
1693 /*
1694  * Release mbuf after it sent on the wire
1695  */
1696 static void
1697 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1698 {
1699         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1700
1701         if (txb->m_head && txb->map) {
1702
1703                 bus_dmamap_unload(ha->tx_tag, txb->map);
1704
1705                 m_freem(txb->m_head);
1706                 txb->m_head = NULL;
1707         }
1708
1709         if (txb->map)
1710                 bus_dmamap_destroy(ha->tx_tag, txb->map);
1711
1712         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1713 }
1714
1715 static void
1716 qla_free_xmt_bufs(qla_host_t *ha)
1717 {
1718         int             i, j;
1719
1720         for (j = 0; j < ha->hw.num_tx_rings; j++) {
1721                 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1722                         qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1723         }
1724
1725         if (ha->tx_tag != NULL) {
1726                 bus_dma_tag_destroy(ha->tx_tag);
1727                 ha->tx_tag = NULL;
1728         }
1729
1730         for (i = 0; i < ha->hw.num_tx_rings; i++) {
1731                 bzero((void *)ha->tx_ring[i].tx_buf,
1732                         (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1733         }
1734         return;
1735 }
1736
1737
1738 static int
1739 qla_alloc_rcv_std(qla_host_t *ha)
1740 {
1741         int             i, j, k, r, ret = 0;
1742         qla_rx_buf_t    *rxb;
1743         qla_rx_ring_t   *rx_ring;
1744
1745         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1746
1747                 rx_ring = &ha->rx_ring[r];
1748
1749                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1750
1751                         rxb = &rx_ring->rx_buf[i];
1752
1753                         ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1754                                         &rxb->map);
1755
1756                         if (ret) {
1757                                 device_printf(ha->pci_dev,
1758                                         "%s: dmamap[%d, %d] failed\n",
1759                                         __func__, r, i);
1760
1761                                 for (k = 0; k < r; k++) {
1762                                         for (j = 0; j < NUM_RX_DESCRIPTORS;
1763                                                 j++) {
1764                                                 rxb = &ha->rx_ring[k].rx_buf[j];
1765                                                 bus_dmamap_destroy(ha->rx_tag,
1766                                                         rxb->map);
1767                                         }
1768                                 }
1769
1770                                 for (j = 0; j < i; j++) {
1771                                         bus_dmamap_destroy(ha->rx_tag,
1772                                                 rx_ring->rx_buf[j].map);
1773                                 }
1774                                 goto qla_alloc_rcv_std_err;
1775                         }
1776                 }
1777         }
1778
1779         qla_init_hw_rcv_descriptors(ha);
1780
1781
1782         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1783
1784                 rx_ring = &ha->rx_ring[r];
1785
1786                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1787                         rxb = &rx_ring->rx_buf[i];
1788                         rxb->handle = i;
1789                         if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1790                                 /*
1791                                  * set the physical address in the
1792                                  * corresponding descriptor entry in the
1793                                  * receive ring/queue for the hba
1794                                  */
1795                                 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1796                                         rxb->paddr,
1797                                         (rxb->m_head)->m_pkthdr.len);
1798                         } else {
1799                                 device_printf(ha->pci_dev,
1800                                         "%s: ql_get_mbuf [%d, %d] failed\n",
1801                                         __func__, r, i);
1802                                 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1803                                 goto qla_alloc_rcv_std_err;
1804                         }
1805                 }
1806         }
1807         return 0;
1808
1809 qla_alloc_rcv_std_err:
1810         return (-1);
1811 }
1812
1813 static void
1814 qla_free_rcv_std(qla_host_t *ha)
1815 {
1816         int             i, r;
1817         qla_rx_buf_t    *rxb;
1818
1819         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1820                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1821                         rxb = &ha->rx_ring[r].rx_buf[i];
1822                         if (rxb->m_head != NULL) {
1823                                 bus_dmamap_unload(ha->rx_tag, rxb->map);
1824                                 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1825                                 m_freem(rxb->m_head);
1826                                 rxb->m_head = NULL;
1827                         }
1828                 }
1829         }
1830         return;
1831 }
1832
1833 static int
1834 qla_alloc_rcv_bufs(qla_host_t *ha)
1835 {
1836         int             i, ret = 0;
1837
1838         if (bus_dma_tag_create(NULL,    /* parent */
1839                         1, 0,    /* alignment, bounds */
1840                         BUS_SPACE_MAXADDR,       /* lowaddr */
1841                         BUS_SPACE_MAXADDR,       /* highaddr */
1842                         NULL, NULL,      /* filter, filterarg */
1843                         MJUM9BYTES,     /* maxsize */
1844                         1,        /* nsegments */
1845                         MJUM9BYTES,        /* maxsegsize */
1846                         BUS_DMA_ALLOCNOW,        /* flags */
1847                         NULL,    /* lockfunc */
1848                         NULL,    /* lockfuncarg */
1849                         &ha->rx_tag)) {
1850
1851                 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1852                         __func__);
1853
1854                 return (ENOMEM);
1855         }
1856
1857         bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1858
1859         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1860                 ha->hw.sds[i].sdsr_next = 0;
1861                 ha->hw.sds[i].rxb_free = NULL;
1862                 ha->hw.sds[i].rx_free = 0;
1863         }
1864
1865         ret = qla_alloc_rcv_std(ha);
1866
1867         return (ret);
1868 }
1869
1870 static void
1871 qla_free_rcv_bufs(qla_host_t *ha)
1872 {
1873         int             i;
1874
1875         qla_free_rcv_std(ha);
1876
1877         if (ha->rx_tag != NULL) {
1878                 bus_dma_tag_destroy(ha->rx_tag);
1879                 ha->rx_tag = NULL;
1880         }
1881
1882         bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1883
1884         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1885                 ha->hw.sds[i].sdsr_next = 0;
1886                 ha->hw.sds[i].rxb_free = NULL;
1887                 ha->hw.sds[i].rx_free = 0;
1888         }
1889
1890         return;
1891 }
1892
1893 int
1894 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1895 {
1896         register struct mbuf *mp = nmp;
1897         struct ifnet            *ifp;
1898         int                     ret = 0;
1899         uint32_t                offset;
1900         bus_dma_segment_t       segs[1];
1901         int                     nsegs, mbuf_size;
1902
1903         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1904
1905         ifp = ha->ifp;
1906
1907         if (ha->hw.enable_9kb)
1908                 mbuf_size = MJUM9BYTES;
1909         else
1910                 mbuf_size = MCLBYTES;
1911
1912         if (mp == NULL) {
1913
1914                 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
1915                         return(-1);
1916
1917                 if (ha->hw.enable_9kb)
1918                         mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
1919                 else
1920                         mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1921
1922                 if (mp == NULL) {
1923                         ha->err_m_getcl++;
1924                         ret = ENOBUFS;
1925                         device_printf(ha->pci_dev,
1926                                         "%s: m_getcl failed\n", __func__);
1927                         goto exit_ql_get_mbuf;
1928                 }
1929                 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1930         } else {
1931                 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1932                 mp->m_data = mp->m_ext.ext_buf;
1933                 mp->m_next = NULL;
1934         }
1935
1936         offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
1937         if (offset) {
1938                 offset = 8 - offset;
1939                 m_adj(mp, offset);
1940         }
1941
1942         /*
1943          * Using memory from the mbuf cluster pool, invoke the bus_dma
1944          * machinery to arrange the memory mapping.
1945          */
1946         ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
1947                         mp, segs, &nsegs, BUS_DMA_NOWAIT);
1948         rxb->paddr = segs[0].ds_addr;
1949
1950         if (ret || !rxb->paddr || (nsegs != 1)) {
1951                 m_free(mp);
1952                 rxb->m_head = NULL;
1953                 device_printf(ha->pci_dev,
1954                         "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
1955                         __func__, ret, (long long unsigned int)rxb->paddr,
1956                         nsegs);
1957                 ret = -1;
1958                 goto exit_ql_get_mbuf;
1959         }
1960         rxb->m_head = mp;
1961         bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
1962
1963 exit_ql_get_mbuf:
1964         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
1965         return (ret);
1966 }
1967
1968
1969 static void
1970 qla_get_peer(qla_host_t *ha)
1971 {
1972         device_t *peers;
1973         int count, i, slot;
1974         int my_slot = pci_get_slot(ha->pci_dev);
1975
1976         if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
1977                 return;
1978
1979         for (i = 0; i < count; i++) {
1980                 slot = pci_get_slot(peers[i]);
1981
1982                 if ((slot >= 0) && (slot == my_slot) &&
1983                         (pci_get_device(peers[i]) ==
1984                                 pci_get_device(ha->pci_dev))) {
1985                         if (ha->pci_dev != peers[i])
1986                                 ha->peer_dev = peers[i];
1987                 }
1988         }
1989 }
1990
1991 static void
1992 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
1993 {
1994         qla_host_t *ha_peer;
1995
1996         if (ha->peer_dev) {
1997                 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
1998
1999                         ha_peer->msg_from_peer = msg_to_peer;
2000                 }
2001         }
2002 }
2003
2004 static void
2005 qla_error_recovery(void *context, int pending)
2006 {
2007         qla_host_t *ha = context;
2008         uint32_t msecs_100 = 100;
2009         struct ifnet *ifp = ha->ifp;
2010         int i = 0;
2011
2012 device_printf(ha->pci_dev, "%s: \n", __func__);
2013         ha->hw.imd_compl = 1;
2014
2015         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2016                 return;
2017
2018 device_printf(ha->pci_dev, "%s: enter\n", __func__);
2019
2020         if (ha->qla_interface_up) {
2021
2022                 qla_mdelay(__func__, 300);
2023
2024                 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2025
2026                 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2027                         qla_tx_fp_t *fp;
2028
2029                         fp = &ha->tx_fp[i];
2030
2031                         if (fp == NULL)
2032                                 continue;
2033
2034                         if (fp->tx_br != NULL) {
2035                                 mtx_lock(&fp->tx_mtx);
2036                                 mtx_unlock(&fp->tx_mtx);
2037                         }
2038                 }
2039         }
2040
2041
2042         qla_drain_fp_taskqueues(ha);
2043
2044         if ((ha->pci_func & 0x1) == 0) {
2045
2046                 if (!ha->msg_from_peer) {
2047                         qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2048
2049                         while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2050                                 msecs_100--)
2051                                 qla_mdelay(__func__, 100);
2052                 }
2053
2054                 ha->msg_from_peer = 0;
2055
2056                 if (ha->enable_minidump)
2057                         ql_minidump(ha);
2058
2059                 (void) ql_init_hw(ha);
2060
2061                 if (ha->qla_interface_up) {
2062                         qla_free_xmt_bufs(ha);
2063                         qla_free_rcv_bufs(ha);
2064                 }
2065
2066                 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2067
2068         } else {
2069                 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2070
2071                         ha->msg_from_peer = 0;
2072
2073                         qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2074                 } else {
2075                         qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2076                 }
2077
2078                 while ((ha->msg_from_peer != QL_PEER_MSG_ACK)  && msecs_100--)
2079                         qla_mdelay(__func__, 100);
2080                 ha->msg_from_peer = 0;
2081
2082                 (void) ql_init_hw(ha);
2083
2084                 qla_mdelay(__func__, 1000);
2085
2086                 if (ha->qla_interface_up) {
2087                         qla_free_xmt_bufs(ha);
2088                         qla_free_rcv_bufs(ha);
2089                 }
2090         }
2091
2092         if (ha->qla_interface_up) {
2093
2094                 if (qla_alloc_xmt_bufs(ha) != 0) {
2095                         goto qla_error_recovery_exit;
2096                 }
2097                 qla_confirm_9kb_enable(ha);
2098
2099                 if (qla_alloc_rcv_bufs(ha) != 0) {
2100                         goto qla_error_recovery_exit;
2101                 }
2102
2103                 ha->stop_rcv = 0;
2104
2105                 if (ql_init_hw_if(ha) == 0) {
2106                         ifp = ha->ifp;
2107                         ifp->if_drv_flags |= IFF_DRV_RUNNING;
2108                         ha->qla_watchdog_pause = 0;
2109                 }
2110         } else
2111                 ha->qla_watchdog_pause = 0;
2112
2113 qla_error_recovery_exit:
2114
2115 device_printf(ha->pci_dev, "%s: exit\n", __func__);
2116
2117         QLA_UNLOCK(ha, __func__);
2118
2119         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2120                 qla_watchdog, ha);
2121         return;
2122 }
2123
2124 static void
2125 qla_async_event(void *context, int pending)
2126 {
2127         qla_host_t *ha = context;
2128
2129         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2130                 return;
2131
2132         if (ha->async_event) {
2133                 ha->async_event = 0;
2134                 qla_hw_async_event(ha);
2135         }
2136
2137         QLA_UNLOCK(ha, __func__);
2138
2139         return;
2140 }
2141
2142 static void
2143 qla_stats(void *context, int pending)
2144 {
2145         qla_host_t *ha;
2146
2147         ha = context;
2148
2149         ql_get_stats(ha);
2150         return;
2151 }
2152