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 prior to error recovery "
 194                 "is enabled only when this is set");
 195
 196         ha->enable_driverstate_dump = 1;
 197         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 198                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 199                 OID_AUTO, "enable_driverstate_dump", CTLFLAG_RW,
 200                 &ha->enable_driverstate_dump, ha->enable_driverstate_dump,
 201                 "Driver State retrival prior to error recovery "
 202                 "is enabled only when this is set");
 203
 204         ha->enable_error_recovery = 1;
 205         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 206                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 207                 OID_AUTO, "enable_error_recovery", CTLFLAG_RW,
 208                 &ha->enable_error_recovery, ha->enable_error_recovery,
 209                 "when set error recovery is enabled on fatal errors "
 210                 "otherwise the port is turned offline");
 211
 212         ha->ms_delay_after_init = 1000;
 213         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 214                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 215                 OID_AUTO, "ms_delay_after_init", CTLFLAG_RW,
 216                 &ha->ms_delay_after_init, ha->ms_delay_after_init,
 217                 "millisecond delay after hw_init");
 218
 219         ha->std_replenish = QL_STD_REPLENISH_THRES;
 220         SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
 221                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 222                 OID_AUTO, "std_replenish", CTLFLAG_RW,
 223                 &ha->std_replenish, ha->std_replenish,
 224                 "Threshold for Replenishing Standard Frames");
 225
 226         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 227                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 228                 OID_AUTO, "ipv4_lro",
 229                 CTLFLAG_RD, &ha->ipv4_lro,
 230                 "number of ipv4 lro completions");
 231
 232         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 233                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 234                 OID_AUTO, "ipv6_lro",
 235                 CTLFLAG_RD, &ha->ipv6_lro,
 236                 "number of ipv6 lro completions");
 237
 238         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 239                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 240                 OID_AUTO, "tx_tso_frames",
 241                 CTLFLAG_RD, &ha->tx_tso_frames,
 242                 "number of Tx TSO Frames");
 243
 244         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 245                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 246                 OID_AUTO, "hw_vlan_tx_frames",
 247                 CTLFLAG_RD, &ha->hw_vlan_tx_frames,
 248                 "number of Tx VLAN Frames");
 249
 250         SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
 251                 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
 252                 OID_AUTO, "hw_lock_failed",
 253                 CTLFLAG_RD, &ha->hw_lock_failed,
 254                 "number of hw_lock failures");
 255
 256         return;
 257 }
 258
 259 static void
 260 qla_watchdog(void *arg)
 261 {
 262         qla_host_t *ha = arg;
 263         qla_hw_t *hw;
 264         struct ifnet *ifp;
 265
 266         hw = &ha->hw;
 267         ifp = ha->ifp;
 268
 269         if (ha->qla_watchdog_exit) {
 270                 ha->qla_watchdog_exited = 1;
 271                 return;
 272         }
 273         ha->qla_watchdog_exited = 0;
 274
 275         if (!ha->qla_watchdog_pause) {
 276                 if (!ha->offline &&
 277                         (ql_hw_check_health(ha) || ha->qla_initiate_recovery ||
 278                         (ha->msg_from_peer == QL_PEER_MSG_RESET))) {
 279
 280                         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 281                         ql_update_link_state(ha);
 282
 283                         if (ha->enable_error_recovery) {
 284                                 ha->qla_watchdog_paused = 1;
 285                                 ha->qla_watchdog_pause = 1;
 286                                 ha->err_inject = 0;
 287                                 device_printf(ha->pci_dev,
 288                                         "%s: taskqueue_enqueue(err_task) \n",
 289                                         __func__);
 290                                 taskqueue_enqueue(ha->err_tq, &ha->err_task);
 291                         } else {
 292                                 if (ifp != NULL)
 293                                         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 294                                 ha->offline = 1;
 295                         }
 296                         return;
 297
 298                 } else {
 299                         if (ha->qla_interface_up) {
 300
 301                                 ha->watchdog_ticks++;
 302
 303                                 if (ha->watchdog_ticks > 1000)
 304                                         ha->watchdog_ticks = 0;
 305
 306                                 if (!ha->watchdog_ticks && QL_RUNNING(ifp)) {
 307                                         taskqueue_enqueue(ha->stats_tq,
 308                                                 &ha->stats_task);
 309                                 }
 310
 311                                 if (ha->async_event) {
 312                                         taskqueue_enqueue(ha->async_event_tq,
 313                                                 &ha->async_event_task);
 314                                 }
 315
 316                         }
 317                         ha->qla_watchdog_paused = 0;
 318                 }
 319         } else {
 320                 ha->qla_watchdog_paused = 1;
 321         }
 322
 323         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
 324                 qla_watchdog, ha);
 325 }
 326
 327 /*
 328  * Name:        qla_pci_attach
 329  * Function:    attaches the device to the operating system
 330  */
 331 static int
 332 qla_pci_attach(device_t dev)
 333 {
 334         qla_host_t *ha = NULL;
 335         uint32_t rsrc_len;
 336         int i;
 337         uint32_t num_rcvq = 0;
 338
 339         if ((ha = device_get_softc(dev)) == NULL) {
 340                 device_printf(dev, "cannot get softc\n");
 341                 return (ENOMEM);
 342         }
 343
 344         memset(ha, 0, sizeof (qla_host_t));
 345
 346         if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) {
 347                 device_printf(dev, "device is not ISP8030\n");
 348                 return (ENXIO);
 349         }
 350
 351         ha->pci_func = pci_get_function(dev) & 0x1;
 352
 353         ha->pci_dev = dev;
 354
 355         pci_enable_busmaster(dev);
 356
 357         ha->reg_rid = PCIR_BAR(0);
 358         ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
 359                                 RF_ACTIVE);
 360
 361         if (ha->pci_reg == NULL) {
 362                 device_printf(dev, "unable to map any ports\n");
 363                 goto qla_pci_attach_err;
 364         }
 365
 366         rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
 367                                         ha->reg_rid);
 368
 369         mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF);
 370         mtx_init(&ha->sp_log_lock, "qla83xx_sp_log_lock", MTX_NETWORK_LOCK, MTX_DEF);
 371         ha->flags.lock_init = 1;
 372
 373         qla_add_sysctls(ha);
 374
 375         ha->hw.num_sds_rings = MAX_SDS_RINGS;
 376         ha->hw.num_rds_rings = MAX_RDS_RINGS;
 377         ha->hw.num_tx_rings = NUM_TX_RINGS;
 378
 379         ha->reg_rid1 = PCIR_BAR(2);
 380         ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
 381                         &ha->reg_rid1, RF_ACTIVE);
 382
 383         ha->msix_count = pci_msix_count(dev);
 384
 385         if (ha->msix_count < 1 ) {
 386                 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
 387                         ha->msix_count);
 388                 goto qla_pci_attach_err;
 389         }
 390
 391         if (ha->msix_count < (ha->hw.num_sds_rings + 1)) {
 392                 ha->hw.num_sds_rings = ha->msix_count - 1;
 393         }
 394
 395         QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
 396                 " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha,
 397                 ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg,
 398                 ha->pci_reg1));
 399
 400         /* initialize hardware */
 401         if (ql_init_hw(ha)) {
 402                 device_printf(dev, "%s: ql_init_hw failed\n", __func__);
 403                 goto qla_pci_attach_err;
 404         }
 405
 406         device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__,
 407                 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
 408                 ha->fw_ver_build);
 409         snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d",
 410                         ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
 411                         ha->fw_ver_build);
 412
 413         if (qla_get_nic_partition(ha, NULL, &num_rcvq)) {
 414                 device_printf(dev, "%s: qla_get_nic_partition failed\n",
 415                         __func__);
 416                 goto qla_pci_attach_err;
 417         }
 418         device_printf(dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
 419                 " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n",
 420                 __func__, ha, ha->pci_func, rsrc_len, ha->msix_count,
 421                 ha->pci_reg, ha->pci_reg1, num_rcvq);
 422
 423         if ((ha->msix_count  < 64) || (num_rcvq != 32)) {
 424                 if (ha->hw.num_sds_rings > 15) {
 425                         ha->hw.num_sds_rings = 15;
 426                 }
 427         }
 428
 429         ha->hw.num_rds_rings = ha->hw.num_sds_rings;
 430         ha->hw.num_tx_rings = ha->hw.num_sds_rings;
 431
 432 #ifdef QL_ENABLE_ISCSI_TLV
 433         ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2;
 434 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
 435
 436         ql_hw_add_sysctls(ha);
 437
 438         ha->msix_count = ha->hw.num_sds_rings + 1;
 439
 440         if (pci_alloc_msix(dev, &ha->msix_count)) {
 441                 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__,
 442                         ha->msix_count);
 443                 ha->msix_count = 0;
 444                 goto qla_pci_attach_err;
 445         }
 446
 447         ha->mbx_irq_rid = 1;
 448         ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
 449                                 &ha->mbx_irq_rid,
 450                                 (RF_ACTIVE | RF_SHAREABLE));
 451         if (ha->mbx_irq == NULL) {
 452                 device_printf(dev, "could not allocate mbx interrupt\n");
 453                 goto qla_pci_attach_err;
 454         }
 455         if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE),
 456                 NULL, ql_mbx_isr, ha, &ha->mbx_handle)) {
 457                 device_printf(dev, "could not setup mbx interrupt\n");
 458                 goto qla_pci_attach_err;
 459         }
 460
 461         for (i = 0; i < ha->hw.num_sds_rings; i++) {
 462                 ha->irq_vec[i].sds_idx = i;
 463                 ha->irq_vec[i].ha = ha;
 464                 ha->irq_vec[i].irq_rid = 2 + i;
 465
 466                 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
 467                                 &ha->irq_vec[i].irq_rid,
 468                                 (RF_ACTIVE | RF_SHAREABLE));
 469
 470                 if (ha->irq_vec[i].irq == NULL) {
 471                         device_printf(dev, "could not allocate interrupt\n");
 472                         goto qla_pci_attach_err;
 473                 }
 474                 if (bus_setup_intr(dev, ha->irq_vec[i].irq,
 475                         (INTR_TYPE_NET | INTR_MPSAFE),
 476                         NULL, ql_isr, &ha->irq_vec[i],
 477                         &ha->irq_vec[i].handle)) {
 478                         device_printf(dev, "could not setup interrupt\n");
 479                         goto qla_pci_attach_err;
 480                 }
 481
 482                 ha->tx_fp[i].ha = ha;
 483                 ha->tx_fp[i].txr_idx = i;
 484
 485                 if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) {
 486                         device_printf(dev, "%s: could not allocate tx_br[%d]\n",
 487                                 __func__, i);
 488                         goto qla_pci_attach_err;
 489                 }
 490         }
 491
 492         if (qla_create_fp_taskqueues(ha) != 0)
 493                 goto qla_pci_attach_err;
 494
 495         printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus,
 496                 ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count);
 497
 498         ql_read_mac_addr(ha);
 499
 500         /* allocate parent dma tag */
 501         if (qla_alloc_parent_dma_tag(ha)) {
 502                 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n",
 503                         __func__);
 504                 goto qla_pci_attach_err;
 505         }
 506
 507         /* alloc all dma buffers */
 508         if (ql_alloc_dma(ha)) {
 509                 device_printf(dev, "%s: ql_alloc_dma failed\n", __func__);
 510                 goto qla_pci_attach_err;
 511         }
 512         qla_get_peer(ha);
 513
 514         if (ql_minidump_init(ha) != 0) {
 515                 device_printf(dev, "%s: ql_minidump_init failed\n", __func__);
 516                 goto qla_pci_attach_err;
 517         }
 518         ql_alloc_drvr_state_buffer(ha);
 519         ql_alloc_sp_log_buffer(ha);
 520         /* create the o.s ethernet interface */
 521         qla_init_ifnet(dev, ha);
 522
 523         ha->flags.qla_watchdog_active = 1;
 524         ha->qla_watchdog_pause = 0;
 525
 526         callout_init(&ha->tx_callout, TRUE);
 527         ha->flags.qla_callout_init = 1;
 528
 529         /* create ioctl device interface */
 530         if (ql_make_cdev(ha)) {
 531                 device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
 532                 goto qla_pci_attach_err;
 533         }
 534
 535         callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
 536                 qla_watchdog, ha);
 537
 538         TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha);
 539         ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT,
 540                         taskqueue_thread_enqueue, &ha->err_tq);
 541         taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
 542                 device_get_nameunit(ha->pci_dev));
 543
 544         TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha);
 545         ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT,
 546                         taskqueue_thread_enqueue, &ha->async_event_tq);
 547         taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq",
 548                 device_get_nameunit(ha->pci_dev));
 549
 550         TASK_INIT(&ha->stats_task, 0, qla_stats, ha);
 551         ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT,
 552                         taskqueue_thread_enqueue, &ha->stats_tq);
 553         taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq",
 554                 device_get_nameunit(ha->pci_dev));
 555
 556         QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__));
 557         return (0);
 558
 559 qla_pci_attach_err:
 560
 561         qla_release(ha);
 562
 563         if (ha->flags.lock_init) {
 564                 mtx_destroy(&ha->hw_lock);
 565                 mtx_destroy(&ha->sp_log_lock);
 566         }
 567
 568         QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__));
 569         return (ENXIO);
 570 }
 571
 572 /*
 573  * Name:        qla_pci_detach
 574  * Function:    Unhooks the device from the operating system
 575  */
 576 static int
 577 qla_pci_detach(device_t dev)
 578 {
 579         qla_host_t *ha = NULL;
 580         struct ifnet *ifp;
 581
 582
 583         if ((ha = device_get_softc(dev)) == NULL) {
 584                 device_printf(dev, "cannot get softc\n");
 585                 return (ENOMEM);
 586         }
 587
 588         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 589
 590         ifp = ha->ifp;
 591
 592         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 593         QLA_LOCK(ha, __func__, -1, 0);
 594
 595         ha->qla_detach_active = 1;
 596         qla_stop(ha);
 597
 598         qla_release(ha);
 599
 600         QLA_UNLOCK(ha, __func__);
 601
 602         if (ha->flags.lock_init) {
 603                 mtx_destroy(&ha->hw_lock);
 604                 mtx_destroy(&ha->sp_log_lock);
 605         }
 606
 607         QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
 608
 609         return (0);
 610 }
 611
 612 /*
 613  * SYSCTL Related Callbacks
 614  */
 615 static int
 616 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)
 617 {
 618         int err, ret = 0;
 619         qla_host_t *ha;
 620
 621         err = sysctl_handle_int(oidp, &ret, 0, req);
 622
 623         if (err || !req->newptr)
 624                 return (err);
 625
 626         if (ret == 1) {
 627                 ha = (qla_host_t *)arg1;
 628                 ql_hw_link_status(ha);
 629         }
 630         return (err);
 631 }
 632
 633 /*
 634  * Name:        qla_release
 635  * Function:    Releases the resources allocated for the device
 636  */
 637 static void
 638 qla_release(qla_host_t *ha)
 639 {
 640         device_t dev;
 641         int i;
 642
 643         dev = ha->pci_dev;
 644
 645         if (ha->async_event_tq) {
 646                 taskqueue_drain_all(ha->async_event_tq);
 647                 taskqueue_free(ha->async_event_tq);
 648         }
 649
 650         if (ha->err_tq) {
 651                 taskqueue_drain_all(ha->err_tq);
 652                 taskqueue_free(ha->err_tq);
 653         }
 654
 655         if (ha->stats_tq) {
 656                 taskqueue_drain_all(ha->stats_tq);
 657                 taskqueue_free(ha->stats_tq);
 658         }
 659
 660         ql_del_cdev(ha);
 661
 662         if (ha->flags.qla_watchdog_active) {
 663                 ha->qla_watchdog_exit = 1;
 664
 665                 while (ha->qla_watchdog_exited == 0)
 666                         qla_mdelay(__func__, 1);
 667         }
 668
 669         if (ha->flags.qla_callout_init)
 670                 callout_stop(&ha->tx_callout);
 671
 672         if (ha->ifp != NULL)
 673                 ether_ifdetach(ha->ifp);
 674
 675         ql_free_drvr_state_buffer(ha);
 676         ql_free_sp_log_buffer(ha);
 677         ql_free_dma(ha);
 678         qla_free_parent_dma_tag(ha);
 679
 680         if (ha->mbx_handle)
 681                 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle);
 682
 683         if (ha->mbx_irq)
 684                 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid,
 685                                 ha->mbx_irq);
 686
 687         for (i = 0; i < ha->hw.num_sds_rings; i++) {
 688
 689                 if (ha->irq_vec[i].handle) {
 690                         (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
 691                                         ha->irq_vec[i].handle);
 692                 }
 693
 694                 if (ha->irq_vec[i].irq) {
 695                         (void)bus_release_resource(dev, SYS_RES_IRQ,
 696                                 ha->irq_vec[i].irq_rid,
 697                                 ha->irq_vec[i].irq);
 698                 }
 699
 700                 qla_free_tx_br(ha, &ha->tx_fp[i]);
 701         }
 702         qla_destroy_fp_taskqueues(ha);
 703
 704         if (ha->msix_count)
 705                 pci_release_msi(dev);
 706
 707         if (ha->pci_reg)
 708                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
 709                                 ha->pci_reg);
 710
 711         if (ha->pci_reg1)
 712                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
 713                                 ha->pci_reg1);
 714
 715         return;
 716 }
 717
 718 /*
 719  * DMA Related Functions
 720  */
 721
 722 static void
 723 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 724 {
 725         *((bus_addr_t *)arg) = 0;
 726
 727         if (error) {
 728                 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
 729                 return;
 730         }
 731
 732         *((bus_addr_t *)arg) = segs[0].ds_addr;
 733
 734         return;
 735 }
 736
 737 int
 738 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 739 {
 740         int             ret = 0;
 741         device_t        dev;
 742         bus_addr_t      b_addr;
 743
 744         dev = ha->pci_dev;
 745
 746         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 747
 748         ret = bus_dma_tag_create(
 749                         ha->parent_tag,/* parent */
 750                         dma_buf->alignment,
 751                         ((bus_size_t)(1ULL << 32)),/* boundary */
 752                         BUS_SPACE_MAXADDR,      /* lowaddr */
 753                         BUS_SPACE_MAXADDR,      /* highaddr */
 754                         NULL, NULL,             /* filter, filterarg */
 755                         dma_buf->size,          /* maxsize */
 756                         1,                      /* nsegments */
 757                         dma_buf->size,          /* maxsegsize */
 758                         0,                      /* flags */
 759                         NULL, NULL,             /* lockfunc, lockarg */
 760                         &dma_buf->dma_tag);
 761
 762         if (ret) {
 763                 device_printf(dev, "%s: could not create dma tag\n", __func__);
 764                 goto ql_alloc_dmabuf_exit;
 765         }
 766         ret = bus_dmamem_alloc(dma_buf->dma_tag,
 767                         (void **)&dma_buf->dma_b,
 768                         (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
 769                         &dma_buf->dma_map);
 770         if (ret) {
 771                 bus_dma_tag_destroy(dma_buf->dma_tag);
 772                 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
 773                 goto ql_alloc_dmabuf_exit;
 774         }
 775
 776         ret = bus_dmamap_load(dma_buf->dma_tag,
 777                         dma_buf->dma_map,
 778                         dma_buf->dma_b,
 779                         dma_buf->size,
 780                         qla_dmamap_callback,
 781                         &b_addr, BUS_DMA_NOWAIT);
 782
 783         if (ret || !b_addr) {
 784                 bus_dma_tag_destroy(dma_buf->dma_tag);
 785                 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
 786                         dma_buf->dma_map);
 787                 ret = -1;
 788                 goto ql_alloc_dmabuf_exit;
 789         }
 790
 791         dma_buf->dma_addr = b_addr;
 792
 793 ql_alloc_dmabuf_exit:
 794         QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
 795                 __func__, ret, (void *)dma_buf->dma_tag,
 796                 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
 797                 dma_buf->size));
 798
 799         return ret;
 800 }
 801
 802 void
 803 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 804 {
 805         bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
 806         bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
 807         bus_dma_tag_destroy(dma_buf->dma_tag);
 808 }
 809
 810 static int
 811 qla_alloc_parent_dma_tag(qla_host_t *ha)
 812 {
 813         int             ret;
 814         device_t        dev;
 815
 816         dev = ha->pci_dev;
 817
 818         /*
 819          * Allocate parent DMA Tag
 820          */
 821         ret = bus_dma_tag_create(
 822                         bus_get_dma_tag(dev),   /* parent */
 823                         1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
 824                         BUS_SPACE_MAXADDR,      /* lowaddr */
 825                         BUS_SPACE_MAXADDR,      /* highaddr */
 826                         NULL, NULL,             /* filter, filterarg */
 827                         BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
 828                         0,                      /* nsegments */
 829                         BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
 830                         0,                      /* flags */
 831                         NULL, NULL,             /* lockfunc, lockarg */
 832                         &ha->parent_tag);
 833
 834         if (ret) {
 835                 device_printf(dev, "%s: could not create parent dma tag\n",
 836                         __func__);
 837                 return (-1);
 838         }
 839
 840         ha->flags.parent_tag = 1;
 841
 842         return (0);
 843 }
 844
 845 static void
 846 qla_free_parent_dma_tag(qla_host_t *ha)
 847 {
 848         if (ha->flags.parent_tag) {
 849                 bus_dma_tag_destroy(ha->parent_tag);
 850                 ha->flags.parent_tag = 0;
 851         }
 852 }
 853
 854 /*
 855  * Name: qla_init_ifnet
 856  * Function: Creates the Network Device Interface and Registers it with the O.S
 857  */
 858
 859 static void
 860 qla_init_ifnet(device_t dev, qla_host_t *ha)
 861 {
 862         struct ifnet *ifp;
 863
 864         QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
 865
 866         ifp = ha->ifp = if_alloc(IFT_ETHER);
 867
 868         if (ifp == NULL)
 869                 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
 870
 871         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 872
 873         ifp->if_baudrate = IF_Gbps(10);
 874         ifp->if_capabilities = IFCAP_LINKSTATE;
 875         ifp->if_mtu = ETHERMTU;
 876
 877         ifp->if_init = qla_init;
 878         ifp->if_softc = ha;
 879         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 880         ifp->if_ioctl = qla_ioctl;
 881
 882         ifp->if_transmit = qla_transmit;
 883         ifp->if_qflush = qla_qflush;
 884
 885         IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha));
 886         ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha);
 887         IFQ_SET_READY(&ifp->if_snd);
 888
 889         ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 890
 891         ether_ifattach(ifp, qla_get_mac_addr(ha));
 892
 893         ifp->if_capabilities |= IFCAP_HWCSUM |
 894                                 IFCAP_TSO4 |
 895                                 IFCAP_TSO6 |
 896                                 IFCAP_JUMBO_MTU |
 897                                 IFCAP_VLAN_HWTAGGING |
 898                                 IFCAP_VLAN_MTU |
 899                                 IFCAP_VLAN_HWTSO |
 900                                 IFCAP_LRO;
 901
 902         ifp->if_capenable = ifp->if_capabilities;
 903
 904         ifp->if_hdrlen = sizeof(struct ether_vlan_header);
 905
 906         ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
 907
 908         ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
 909                 NULL);
 910         ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
 911
 912         ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
 913
 914         QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
 915
 916         return;
 917 }
 918
 919 static void
 920 qla_init_locked(qla_host_t *ha)
 921 {
 922         struct ifnet *ifp = ha->ifp;
 923
 924         ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0);
 925
 926         qla_stop(ha);
 927
 928         if (qla_alloc_xmt_bufs(ha) != 0)
 929                 return;
 930
 931         qla_confirm_9kb_enable(ha);
 932
 933         if (qla_alloc_rcv_bufs(ha) != 0)
 934                 return;
 935
 936         bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
 937
 938         ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO;
 939         ifp->if_hwassist |= CSUM_TCP_IPV6 | CSUM_UDP_IPV6;
 940
 941         ha->stop_rcv = 0;
 942         if (ql_init_hw_if(ha) == 0) {
 943                 ifp = ha->ifp;
 944                 ifp->if_drv_flags |= IFF_DRV_RUNNING;
 945                 ha->hw_vlan_tx_frames = 0;
 946                 ha->tx_tso_frames = 0;
 947                 ha->qla_interface_up = 1;
 948                 ql_update_link_state(ha);
 949         } else {
 950                 if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE)
 951                         ha->hw.sp_log_stop = -1;
 952         }
 953
 954         ha->qla_watchdog_pause = 0;
 955
 956         return;
 957 }
 958
 959 static void
 960 qla_init(void *arg)
 961 {
 962         qla_host_t *ha;
 963
 964         ha = (qla_host_t *)arg;
 965
 966         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
 967
 968         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
 969                 return;
 970
 971         qla_init_locked(ha);
 972
 973         QLA_UNLOCK(ha, __func__);
 974
 975         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
 976 }
 977
 978 static int
 979 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
 980 {
 981         uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
 982         struct ifmultiaddr *ifma;
 983         int mcnt = 0;
 984         struct ifnet *ifp = ha->ifp;
 985         int ret = 0;
 986
 987         if_maddr_rlock(ifp);
 988
 989         TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
 990
 991                 if (ifma->ifma_addr->sa_family != AF_LINK)
 992                         continue;
 993
 994                 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
 995                         break;
 996
 997                 bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
 998                         &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
 999
1000                 mcnt++;
1001         }
1002
1003         if_maddr_runlock(ifp);
1004
1005         if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1006                 QLA_LOCK_NO_SLEEP) != 0)
1007                 return (-1);
1008
1009         ql_sp_log(ha, 12, 4, ifp->if_drv_flags,
1010                 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1011                 add_multi, (uint32_t)mcnt, 0);
1012
1013         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1014
1015                 if (!add_multi) {
1016                         ret = qla_hw_del_all_mcast(ha);
1017
1018                         if (ret)
1019                                 device_printf(ha->pci_dev,
1020                                         "%s: qla_hw_del_all_mcast() failed\n",
1021                                 __func__);
1022                 }
1023
1024                 if (!ret)
1025                         ret = ql_hw_set_multi(ha, mta, mcnt, 1);
1026
1027         }
1028
1029         QLA_UNLOCK(ha, __func__);
1030
1031         return (ret);
1032 }
1033
1034 static int
1035 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1036 {
1037         int ret = 0;
1038         struct ifreq *ifr = (struct ifreq *)data;
1039         struct ifaddr *ifa = (struct ifaddr *)data;
1040         qla_host_t *ha;
1041
1042         ha = (qla_host_t *)ifp->if_softc;
1043         if (ha->offline || ha->qla_initiate_recovery)
1044                 return (ret);
1045
1046         switch (cmd) {
1047         case SIOCSIFADDR:
1048                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1049                         __func__, cmd));
1050
1051                 if (ifa->ifa_addr->sa_family == AF_INET) {
1052
1053                         ret = QLA_LOCK(ha, __func__,
1054                                         QLA_LOCK_DEFAULT_MS_TIMEOUT,
1055                                         QLA_LOCK_NO_SLEEP);
1056                         if (ret)
1057                                 break;
1058
1059                         ifp->if_flags |= IFF_UP;
1060
1061                         ql_sp_log(ha, 8, 3, ifp->if_drv_flags,
1062                                 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1063                                 ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0);
1064
1065                         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
1066                                 qla_init_locked(ha);
1067                         }
1068
1069                         QLA_UNLOCK(ha, __func__);
1070                         QL_DPRINT4(ha, (ha->pci_dev,
1071                                 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1072                                 __func__, cmd,
1073                                 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1074
1075                         arp_ifinit(ifp, ifa);
1076                 } else {
1077                         ether_ioctl(ifp, cmd, data);
1078                 }
1079                 break;
1080
1081         case SIOCSIFMTU:
1082                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1083                         __func__, cmd));
1084
1085                 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1086                         ret = EINVAL;
1087                 } else {
1088                         ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1089                                         QLA_LOCK_NO_SLEEP);
1090
1091                         if (ret)
1092                                 break;
1093
1094                         ifp->if_mtu = ifr->ifr_mtu;
1095                         ha->max_frame_size =
1096                                 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1097
1098                         ql_sp_log(ha, 9, 4, ifp->if_drv_flags,
1099                                 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1100                                 ha->max_frame_size, ifp->if_mtu, 0);
1101
1102                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1103                                 qla_init_locked(ha);
1104                         }
1105
1106                         if (ifp->if_mtu > ETHERMTU)
1107                                 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1108                         else
1109                                 ha->std_replenish = QL_STD_REPLENISH_THRES;
1110
1111
1112                         QLA_UNLOCK(ha, __func__);
1113                 }
1114
1115                 break;
1116
1117         case SIOCSIFFLAGS:
1118                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1119                         __func__, cmd));
1120
1121                 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1122                                 QLA_LOCK_NO_SLEEP);
1123
1124                 if (ret)
1125                         break;
1126
1127                 ql_sp_log(ha, 10, 4, ifp->if_drv_flags,
1128                         (ifp->if_drv_flags & IFF_DRV_RUNNING),
1129                         ha->if_flags, ifp->if_flags, 0);
1130
1131                 if (ifp->if_flags & IFF_UP) {
1132
1133                         ha->max_frame_size = ifp->if_mtu +
1134                                         ETHER_HDR_LEN + ETHER_CRC_LEN;
1135                         qla_init_locked(ha);
1136
1137                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1138                                 if ((ifp->if_flags ^ ha->if_flags) &
1139                                         IFF_PROMISC) {
1140                                         ret = ql_set_promisc(ha);
1141                                 } else if ((ifp->if_flags ^ ha->if_flags) &
1142                                         IFF_ALLMULTI) {
1143                                         ret = ql_set_allmulti(ha);
1144                                 }
1145                         }
1146                 } else {
1147                         if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1148                                 qla_stop(ha);
1149                         ha->if_flags = ifp->if_flags;
1150                 }
1151
1152                 QLA_UNLOCK(ha, __func__);
1153                 break;
1154
1155         case SIOCADDMULTI:
1156                 QL_DPRINT4(ha, (ha->pci_dev,
1157                         "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1158
1159                 if (qla_set_multi(ha, 1))
1160                         ret = EINVAL;
1161                 break;
1162
1163         case SIOCDELMULTI:
1164                 QL_DPRINT4(ha, (ha->pci_dev,
1165                         "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1166
1167                 if (qla_set_multi(ha, 0))
1168                         ret = EINVAL;
1169                 break;
1170
1171         case SIOCSIFMEDIA:
1172         case SIOCGIFMEDIA:
1173                 QL_DPRINT4(ha, (ha->pci_dev,
1174                         "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1175                         __func__, cmd));
1176                 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1177                 break;
1178
1179         case SIOCSIFCAP:
1180         {
1181                 int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1182
1183                 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1184                         __func__, cmd));
1185
1186                 if (mask & IFCAP_HWCSUM)
1187                         ifp->if_capenable ^= IFCAP_HWCSUM;
1188                 if (mask & IFCAP_TSO4)
1189                         ifp->if_capenable ^= IFCAP_TSO4;
1190                 if (mask & IFCAP_TSO6)
1191                         ifp->if_capenable ^= IFCAP_TSO6;
1192                 if (mask & IFCAP_VLAN_HWTAGGING)
1193                         ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1194                 if (mask & IFCAP_VLAN_HWTSO)
1195                         ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1196                 if (mask & IFCAP_LRO)
1197                         ifp->if_capenable ^= IFCAP_LRO;
1198
1199                 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1200                         ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1201                                 QLA_LOCK_NO_SLEEP);
1202
1203                         if (ret)
1204                                 break;
1205
1206                         ql_sp_log(ha, 11, 4, ifp->if_drv_flags,
1207                                 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1208                                 mask, ifp->if_capenable, 0);
1209
1210                         qla_init_locked(ha);
1211
1212                         QLA_UNLOCK(ha, __func__);
1213
1214                 }
1215                 VLAN_CAPABILITIES(ifp);
1216                 break;
1217         }
1218
1219         default:
1220                 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1221                         __func__, cmd));
1222                 ret = ether_ioctl(ifp, cmd, data);
1223                 break;
1224         }
1225
1226         return (ret);
1227 }
1228
1229 static int
1230 qla_media_change(struct ifnet *ifp)
1231 {
1232         qla_host_t *ha;
1233         struct ifmedia *ifm;
1234         int ret = 0;
1235
1236         ha = (qla_host_t *)ifp->if_softc;
1237
1238         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1239
1240         ifm = &ha->media;
1241
1242         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1243                 ret = EINVAL;
1244
1245         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1246
1247         return (ret);
1248 }
1249
1250 static void
1251 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1252 {
1253         qla_host_t *ha;
1254
1255         ha = (qla_host_t *)ifp->if_softc;
1256
1257         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1258
1259         ifmr->ifm_status = IFM_AVALID;
1260         ifmr->ifm_active = IFM_ETHER;
1261
1262         ql_update_link_state(ha);
1263         if (ha->hw.link_up) {
1264                 ifmr->ifm_status |= IFM_ACTIVE;
1265                 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1266         }
1267
1268         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1269                 (ha->hw.link_up ? "link_up" : "link_down")));
1270
1271         return;
1272 }
1273
1274
1275 static int
1276 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1277         uint32_t iscsi_pdu)
1278 {
1279         bus_dma_segment_t       segs[QLA_MAX_SEGMENTS];
1280         bus_dmamap_t            map;
1281         int                     nsegs;
1282         int                     ret = -1;
1283         uint32_t                tx_idx;
1284         struct mbuf             *m_head = *m_headp;
1285
1286         QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1287
1288         tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1289
1290         if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) ||
1291                 (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){
1292                 QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\
1293                         "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\
1294                         ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1295
1296                 device_printf(ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d "
1297                         "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,
1298                         ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head);
1299
1300                 if (m_head)
1301                         m_freem(m_head);
1302                 *m_headp = NULL;
1303                 QL_INITIATE_RECOVERY(ha);
1304                 return (ret);
1305         }
1306
1307         map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1308
1309         ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1310                         BUS_DMA_NOWAIT);
1311
1312         if (ret == EFBIG) {
1313
1314                 struct mbuf *m;
1315
1316                 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1317                         m_head->m_pkthdr.len));
1318
1319                 m = m_defrag(m_head, M_NOWAIT);
1320                 if (m == NULL) {
1321                         ha->err_tx_defrag++;
1322                         m_freem(m_head);
1323                         *m_headp = NULL;
1324                         device_printf(ha->pci_dev,
1325                                 "%s: m_defrag() = NULL [%d]\n",
1326                                 __func__, ret);
1327                         return (ENOBUFS);
1328                 }
1329                 m_head = m;
1330                 *m_headp = m_head;
1331
1332                 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1333                                         segs, &nsegs, BUS_DMA_NOWAIT))) {
1334
1335                         ha->err_tx_dmamap_load++;
1336
1337                         device_printf(ha->pci_dev,
1338                                 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1339                                 __func__, ret, m_head->m_pkthdr.len);
1340
1341                         if (ret != ENOMEM) {
1342                                 m_freem(m_head);
1343                                 *m_headp = NULL;
1344                         }
1345                         return (ret);
1346                 }
1347
1348         } else if (ret) {
1349
1350                 ha->err_tx_dmamap_load++;
1351
1352                 device_printf(ha->pci_dev,
1353                         "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1354                         __func__, ret, m_head->m_pkthdr.len);
1355
1356                 if (ret != ENOMEM) {
1357                         m_freem(m_head);
1358                         *m_headp = NULL;
1359                 }
1360                 return (ret);
1361         }
1362
1363         QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1364
1365         bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1366
1367         if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1368                                 iscsi_pdu))) {
1369                 ha->tx_ring[txr_idx].count++;
1370                 if (iscsi_pdu)
1371                         ha->tx_ring[txr_idx].iscsi_pkt_count++;
1372                 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1373         } else {
1374                 bus_dmamap_unload(ha->tx_tag, map);
1375                 if (ret == EINVAL) {
1376                         if (m_head)
1377                                 m_freem(m_head);
1378                         *m_headp = NULL;
1379                 }
1380         }
1381
1382         QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1383         return (ret);
1384 }
1385
1386 static int
1387 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1388 {
1389         snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1390                 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1391
1392         mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1393
1394         fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1395                                    M_NOWAIT, &fp->tx_mtx);
1396         if (fp->tx_br == NULL) {
1397             QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1398                 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1399             return (-ENOMEM);
1400         }
1401         return 0;
1402 }
1403
1404 static void
1405 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1406 {
1407         struct mbuf *mp;
1408         struct ifnet *ifp = ha->ifp;
1409
1410         if (mtx_initialized(&fp->tx_mtx)) {
1411
1412                 if (fp->tx_br != NULL) {
1413
1414                         mtx_lock(&fp->tx_mtx);
1415
1416                         while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1417                                 m_freem(mp);
1418                         }
1419
1420                         mtx_unlock(&fp->tx_mtx);
1421
1422                         buf_ring_free(fp->tx_br, M_DEVBUF);
1423                         fp->tx_br = NULL;
1424                 }
1425                 mtx_destroy(&fp->tx_mtx);
1426         }
1427         return;
1428 }
1429
1430 static void
1431 qla_fp_taskqueue(void *context, int pending)
1432 {
1433         qla_tx_fp_t *fp;
1434         qla_host_t *ha;
1435         struct ifnet *ifp;
1436         struct mbuf  *mp = NULL;
1437         int ret = 0;
1438         uint32_t txr_idx;
1439         uint32_t iscsi_pdu = 0;
1440         uint32_t rx_pkts_left = -1;
1441
1442         fp = context;
1443
1444         if (fp == NULL)
1445                 return;
1446
1447         ha = (qla_host_t *)fp->ha;
1448
1449         ifp = ha->ifp;
1450
1451         txr_idx = fp->txr_idx;
1452
1453         mtx_lock(&fp->tx_mtx);
1454
1455         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1456                 mtx_unlock(&fp->tx_mtx);
1457                 goto qla_fp_taskqueue_exit;
1458         }
1459
1460         while (rx_pkts_left && !ha->stop_rcv &&
1461                 (ifp->if_drv_flags & IFF_DRV_RUNNING) && ha->hw.link_up) {
1462                 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1463
1464 #ifdef QL_ENABLE_ISCSI_TLV
1465                 ql_hw_tx_done_locked(ha, fp->txr_idx);
1466                 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1467 #else
1468                 ql_hw_tx_done_locked(ha, fp->txr_idx);
1469 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1470
1471                 mp = drbr_peek(ifp, fp->tx_br);
1472
1473                 while (mp != NULL) {
1474
1475                         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1476 #ifdef QL_ENABLE_ISCSI_TLV
1477                                 if (ql_iscsi_pdu(ha, mp) == 0) {
1478                                         txr_idx = txr_idx +
1479                                                 (ha->hw.num_tx_rings >> 1);
1480                                         iscsi_pdu = 1;
1481                                 } else {
1482                                         iscsi_pdu = 0;
1483                                         txr_idx = fp->txr_idx;
1484                                 }
1485 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1486                         }
1487
1488                         ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1489
1490                         if (ret) {
1491                                 if (mp != NULL)
1492                                         drbr_putback(ifp, fp->tx_br, mp);
1493                                 else {
1494                                         drbr_advance(ifp, fp->tx_br);
1495                                 }
1496
1497                                 mtx_unlock(&fp->tx_mtx);
1498
1499                                 goto qla_fp_taskqueue_exit0;
1500                         } else {
1501                                 drbr_advance(ifp, fp->tx_br);
1502                         }
1503
1504                         /* Send a copy of the frame to the BPF listener */
1505                         ETHER_BPF_MTAP(ifp, mp);
1506
1507                         if (((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) ||
1508                                 (!ha->hw.link_up))
1509                                 break;
1510
1511                         mp = drbr_peek(ifp, fp->tx_br);
1512                 }
1513         }
1514         mtx_unlock(&fp->tx_mtx);
1515
1516         if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1517                 goto qla_fp_taskqueue_exit;
1518
1519 qla_fp_taskqueue_exit0:
1520
1521         if (rx_pkts_left || ((mp != NULL) && ret)) {
1522                 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1523         } else {
1524                 if (!ha->stop_rcv) {
1525                         QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1526                 }
1527         }
1528
1529 qla_fp_taskqueue_exit:
1530
1531         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1532         return;
1533 }
1534
1535 static int
1536 qla_create_fp_taskqueues(qla_host_t *ha)
1537 {
1538         int     i;
1539         uint8_t tq_name[32];
1540
1541         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1542
1543                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1544
1545                 bzero(tq_name, sizeof (tq_name));
1546                 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1547
1548                 TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1549
1550                 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1551                                         taskqueue_thread_enqueue,
1552                                         &fp->fp_taskqueue);
1553
1554                 if (fp->fp_taskqueue == NULL)
1555                         return (-1);
1556
1557                 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1558                         tq_name);
1559
1560                 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1561                         fp->fp_taskqueue));
1562         }
1563
1564         return (0);
1565 }
1566
1567 static void
1568 qla_destroy_fp_taskqueues(qla_host_t *ha)
1569 {
1570         int     i;
1571
1572         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1573
1574                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1575
1576                 if (fp->fp_taskqueue != NULL) {
1577                         taskqueue_drain_all(fp->fp_taskqueue);
1578                         taskqueue_free(fp->fp_taskqueue);
1579                         fp->fp_taskqueue = NULL;
1580                 }
1581         }
1582         return;
1583 }
1584
1585 static void
1586 qla_drain_fp_taskqueues(qla_host_t *ha)
1587 {
1588         int     i;
1589
1590         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1591                 qla_tx_fp_t *fp = &ha->tx_fp[i];
1592
1593                 if (fp->fp_taskqueue != NULL) {
1594                         taskqueue_drain_all(fp->fp_taskqueue);
1595                 }
1596         }
1597         return;
1598 }
1599
1600 static int
1601 qla_transmit(struct ifnet *ifp, struct mbuf  *mp)
1602 {
1603         qla_host_t *ha = (qla_host_t *)ifp->if_softc;
1604         qla_tx_fp_t *fp;
1605         int rss_id = 0;
1606         int ret = 0;
1607
1608         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1609
1610 #if __FreeBSD_version >= 1100000
1611         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1612 #else
1613         if (mp->m_flags & M_FLOWID)
1614 #endif
1615                 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1616                                         ha->hw.num_sds_rings;
1617         fp = &ha->tx_fp[rss_id];
1618
1619         if (fp->tx_br == NULL) {
1620                 ret = EINVAL;
1621                 goto qla_transmit_exit;
1622         }
1623
1624         if (mp != NULL) {
1625                 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1626         }
1627
1628         if (fp->fp_taskqueue != NULL)
1629                 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1630
1631         ret = 0;
1632
1633 qla_transmit_exit:
1634
1635         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1636         return ret;
1637 }
1638
1639 static void
1640 qla_qflush(struct ifnet *ifp)
1641 {
1642         int                     i;
1643         qla_tx_fp_t             *fp;
1644         struct mbuf             *mp;
1645         qla_host_t              *ha;
1646
1647         ha = (qla_host_t *)ifp->if_softc;
1648
1649         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1650
1651         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1652
1653                 fp = &ha->tx_fp[i];
1654
1655                 if (fp == NULL)
1656                         continue;
1657
1658                 if (fp->tx_br) {
1659                         mtx_lock(&fp->tx_mtx);
1660
1661                         while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1662                                 m_freem(mp);
1663                         }
1664                         mtx_unlock(&fp->tx_mtx);
1665                 }
1666         }
1667         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1668
1669         return;
1670 }
1671
1672 static void
1673 qla_stop(qla_host_t *ha)
1674 {
1675         struct ifnet *ifp = ha->ifp;
1676         device_t        dev;
1677         int i = 0;
1678
1679         ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0);
1680
1681         dev = ha->pci_dev;
1682
1683         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1684         ha->qla_watchdog_pause = 1;
1685
1686         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1687                 qla_tx_fp_t *fp;
1688
1689                 fp = &ha->tx_fp[i];
1690
1691                 if (fp == NULL)
1692                         continue;
1693
1694                 if (fp->tx_br != NULL) {
1695                         mtx_lock(&fp->tx_mtx);
1696                         mtx_unlock(&fp->tx_mtx);
1697                 }
1698         }
1699
1700         while (!ha->qla_watchdog_paused)
1701                 qla_mdelay(__func__, 1);
1702
1703         ha->qla_interface_up = 0;
1704
1705         qla_drain_fp_taskqueues(ha);
1706
1707         ql_del_hw_if(ha);
1708
1709         qla_free_xmt_bufs(ha);
1710         qla_free_rcv_bufs(ha);
1711
1712         return;
1713 }
1714
1715 /*
1716  * Buffer Management Functions for Transmit and Receive Rings
1717  */
1718 static int
1719 qla_alloc_xmt_bufs(qla_host_t *ha)
1720 {
1721         int ret = 0;
1722         uint32_t i, j;
1723         qla_tx_buf_t *txb;
1724
1725         if (bus_dma_tag_create(NULL,    /* parent */
1726                 1, 0,    /* alignment, bounds */
1727                 BUS_SPACE_MAXADDR,       /* lowaddr */
1728                 BUS_SPACE_MAXADDR,       /* highaddr */
1729                 NULL, NULL,      /* filter, filterarg */
1730                 QLA_MAX_TSO_FRAME_SIZE,     /* maxsize */
1731                 QLA_MAX_SEGMENTS,        /* nsegments */
1732                 PAGE_SIZE,        /* maxsegsize */
1733                 BUS_DMA_ALLOCNOW,        /* flags */
1734                 NULL,    /* lockfunc */
1735                 NULL,    /* lockfuncarg */
1736                 &ha->tx_tag)) {
1737                 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1738                         __func__);
1739                 return (ENOMEM);
1740         }
1741
1742         for (i = 0; i < ha->hw.num_tx_rings; i++) {
1743                 bzero((void *)ha->tx_ring[i].tx_buf,
1744                         (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1745         }
1746
1747         for (j = 0; j < ha->hw.num_tx_rings; j++) {
1748                 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1749
1750                         txb = &ha->tx_ring[j].tx_buf[i];
1751
1752                         if ((ret = bus_dmamap_create(ha->tx_tag,
1753                                         BUS_DMA_NOWAIT, &txb->map))) {
1754
1755                                 ha->err_tx_dmamap_create++;
1756                                 device_printf(ha->pci_dev,
1757                                         "%s: bus_dmamap_create failed[%d]\n",
1758                                         __func__, ret);
1759
1760                                 qla_free_xmt_bufs(ha);
1761
1762                                 return (ret);
1763                         }
1764                 }
1765         }
1766
1767         return 0;
1768 }
1769
1770 /*
1771  * Release mbuf after it sent on the wire
1772  */
1773 static void
1774 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1775 {
1776         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1777
1778         if (txb->m_head) {
1779                 bus_dmamap_sync(ha->tx_tag, txb->map,
1780                         BUS_DMASYNC_POSTWRITE);
1781
1782                 bus_dmamap_unload(ha->tx_tag, txb->map);
1783
1784                 m_freem(txb->m_head);
1785                 txb->m_head = NULL;
1786
1787                 bus_dmamap_destroy(ha->tx_tag, txb->map);
1788                 txb->map = NULL;
1789         }
1790
1791         if (txb->map) {
1792                 bus_dmamap_unload(ha->tx_tag, txb->map);
1793                 bus_dmamap_destroy(ha->tx_tag, txb->map);
1794                 txb->map = NULL;
1795         }
1796
1797         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1798 }
1799
1800 static void
1801 qla_free_xmt_bufs(qla_host_t *ha)
1802 {
1803         int             i, j;
1804
1805         for (j = 0; j < ha->hw.num_tx_rings; j++) {
1806                 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1807                         qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1808         }
1809
1810         if (ha->tx_tag != NULL) {
1811                 bus_dma_tag_destroy(ha->tx_tag);
1812                 ha->tx_tag = NULL;
1813         }
1814
1815         for (i = 0; i < ha->hw.num_tx_rings; i++) {
1816                 bzero((void *)ha->tx_ring[i].tx_buf,
1817                         (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1818         }
1819         return;
1820 }
1821
1822
1823 static int
1824 qla_alloc_rcv_std(qla_host_t *ha)
1825 {
1826         int             i, j, k, r, ret = 0;
1827         qla_rx_buf_t    *rxb;
1828         qla_rx_ring_t   *rx_ring;
1829
1830         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1831
1832                 rx_ring = &ha->rx_ring[r];
1833
1834                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1835
1836                         rxb = &rx_ring->rx_buf[i];
1837
1838                         ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1839                                         &rxb->map);
1840
1841                         if (ret) {
1842                                 device_printf(ha->pci_dev,
1843                                         "%s: dmamap[%d, %d] failed\n",
1844                                         __func__, r, i);
1845
1846                                 for (k = 0; k < r; k++) {
1847                                         for (j = 0; j < NUM_RX_DESCRIPTORS;
1848                                                 j++) {
1849                                                 rxb = &ha->rx_ring[k].rx_buf[j];
1850                                                 bus_dmamap_destroy(ha->rx_tag,
1851                                                         rxb->map);
1852                                         }
1853                                 }
1854
1855                                 for (j = 0; j < i; j++) {
1856                                         bus_dmamap_destroy(ha->rx_tag,
1857                                                 rx_ring->rx_buf[j].map);
1858                                 }
1859                                 goto qla_alloc_rcv_std_err;
1860                         }
1861                 }
1862         }
1863
1864         qla_init_hw_rcv_descriptors(ha);
1865
1866
1867         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1868
1869                 rx_ring = &ha->rx_ring[r];
1870
1871                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1872                         rxb = &rx_ring->rx_buf[i];
1873                         rxb->handle = i;
1874                         if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1875                                 /*
1876                                  * set the physical address in the
1877                                  * corresponding descriptor entry in the
1878                                  * receive ring/queue for the hba
1879                                  */
1880                                 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1881                                         rxb->paddr,
1882                                         (rxb->m_head)->m_pkthdr.len);
1883                         } else {
1884                                 device_printf(ha->pci_dev,
1885                                         "%s: ql_get_mbuf [%d, %d] failed\n",
1886                                         __func__, r, i);
1887                                 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1888                                 goto qla_alloc_rcv_std_err;
1889                         }
1890                 }
1891         }
1892         return 0;
1893
1894 qla_alloc_rcv_std_err:
1895         return (-1);
1896 }
1897
1898 static void
1899 qla_free_rcv_std(qla_host_t *ha)
1900 {
1901         int             i, r;
1902         qla_rx_buf_t    *rxb;
1903
1904         for (r = 0; r < ha->hw.num_rds_rings; r++) {
1905                 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1906                         rxb = &ha->rx_ring[r].rx_buf[i];
1907                         if (rxb->m_head != NULL) {
1908                                 bus_dmamap_unload(ha->rx_tag, rxb->map);
1909                                 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1910                                 m_freem(rxb->m_head);
1911                                 rxb->m_head = NULL;
1912                         }
1913                 }
1914         }
1915         return;
1916 }
1917
1918 static int
1919 qla_alloc_rcv_bufs(qla_host_t *ha)
1920 {
1921         int             i, ret = 0;
1922
1923         if (bus_dma_tag_create(NULL,    /* parent */
1924                         1, 0,    /* alignment, bounds */
1925                         BUS_SPACE_MAXADDR,       /* lowaddr */
1926                         BUS_SPACE_MAXADDR,       /* highaddr */
1927                         NULL, NULL,      /* filter, filterarg */
1928                         MJUM9BYTES,     /* maxsize */
1929                         1,        /* nsegments */
1930                         MJUM9BYTES,        /* maxsegsize */
1931                         BUS_DMA_ALLOCNOW,        /* flags */
1932                         NULL,    /* lockfunc */
1933                         NULL,    /* lockfuncarg */
1934                         &ha->rx_tag)) {
1935
1936                 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1937                         __func__);
1938
1939                 return (ENOMEM);
1940         }
1941
1942         bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1943
1944         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1945                 ha->hw.sds[i].sdsr_next = 0;
1946                 ha->hw.sds[i].rxb_free = NULL;
1947                 ha->hw.sds[i].rx_free = 0;
1948         }
1949
1950         ret = qla_alloc_rcv_std(ha);
1951
1952         return (ret);
1953 }
1954
1955 static void
1956 qla_free_rcv_bufs(qla_host_t *ha)
1957 {
1958         int             i;
1959
1960         qla_free_rcv_std(ha);
1961
1962         if (ha->rx_tag != NULL) {
1963                 bus_dma_tag_destroy(ha->rx_tag);
1964                 ha->rx_tag = NULL;
1965         }
1966
1967         bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1968
1969         for (i = 0; i < ha->hw.num_sds_rings; i++) {
1970                 ha->hw.sds[i].sdsr_next = 0;
1971                 ha->hw.sds[i].rxb_free = NULL;
1972                 ha->hw.sds[i].rx_free = 0;
1973         }
1974
1975         return;
1976 }
1977
1978 int
1979 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1980 {
1981         struct mbuf *mp = nmp;
1982         struct ifnet            *ifp;
1983         int                     ret = 0;
1984         uint32_t                offset;
1985         bus_dma_segment_t       segs[1];
1986         int                     nsegs, mbuf_size;
1987
1988         QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1989
1990         ifp = ha->ifp;
1991
1992         if (ha->hw.enable_9kb)
1993                 mbuf_size = MJUM9BYTES;
1994         else
1995                 mbuf_size = MCLBYTES;
1996
1997         if (mp == NULL) {
1998
1999                 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
2000                         return(-1);
2001
2002                 if (ha->hw.enable_9kb)
2003                         mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
2004                 else
2005                         mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
2006
2007                 if (mp == NULL) {
2008                         ha->err_m_getcl++;
2009                         ret = ENOBUFS;
2010                         device_printf(ha->pci_dev,
2011                                         "%s: m_getcl failed\n", __func__);
2012                         goto exit_ql_get_mbuf;
2013                 }
2014                 mp->m_len = mp->m_pkthdr.len = mbuf_size;
2015         } else {
2016                 mp->m_len = mp->m_pkthdr.len = mbuf_size;
2017                 mp->m_data = mp->m_ext.ext_buf;
2018                 mp->m_next = NULL;
2019         }
2020
2021         offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
2022         if (offset) {
2023                 offset = 8 - offset;
2024                 m_adj(mp, offset);
2025         }
2026
2027         /*
2028          * Using memory from the mbuf cluster pool, invoke the bus_dma
2029          * machinery to arrange the memory mapping.
2030          */
2031         ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
2032                         mp, segs, &nsegs, BUS_DMA_NOWAIT);
2033         rxb->paddr = segs[0].ds_addr;
2034
2035         if (ret || !rxb->paddr || (nsegs != 1)) {
2036                 m_free(mp);
2037                 rxb->m_head = NULL;
2038                 device_printf(ha->pci_dev,
2039                         "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
2040                         __func__, ret, (long long unsigned int)rxb->paddr,
2041                         nsegs);
2042                 ret = -1;
2043                 goto exit_ql_get_mbuf;
2044         }
2045         rxb->m_head = mp;
2046         bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
2047
2048 exit_ql_get_mbuf:
2049         QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
2050         return (ret);
2051 }
2052
2053
2054 static void
2055 qla_get_peer(qla_host_t *ha)
2056 {
2057         device_t *peers;
2058         int count, i, slot;
2059         int my_slot = pci_get_slot(ha->pci_dev);
2060
2061         if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
2062                 return;
2063
2064         for (i = 0; i < count; i++) {
2065                 slot = pci_get_slot(peers[i]);
2066
2067                 if ((slot >= 0) && (slot == my_slot) &&
2068                         (pci_get_device(peers[i]) ==
2069                                 pci_get_device(ha->pci_dev))) {
2070                         if (ha->pci_dev != peers[i])
2071                                 ha->peer_dev = peers[i];
2072                 }
2073         }
2074 }
2075
2076 static void
2077 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
2078 {
2079         qla_host_t *ha_peer;
2080
2081         if (ha->peer_dev) {
2082                 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
2083
2084                         ha_peer->msg_from_peer = msg_to_peer;
2085                 }
2086         }
2087 }
2088
2089 void
2090 qla_set_error_recovery(qla_host_t *ha)
2091 {
2092         struct ifnet *ifp = ha->ifp;
2093
2094         if (!cold && ha->enable_error_recovery) {
2095                 if (ifp)
2096                         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2097                 ha->qla_initiate_recovery = 1;
2098         } else
2099                 ha->offline = 1;
2100         return;
2101 }
2102
2103 static void
2104 qla_error_recovery(void *context, int pending)
2105 {
2106         qla_host_t *ha = context;
2107         uint32_t msecs_100 = 400;
2108         struct ifnet *ifp = ha->ifp;
2109         int i = 0;
2110
2111         device_printf(ha->pci_dev, "%s: enter\n", __func__);
2112         ha->hw.imd_compl = 1;
2113
2114         taskqueue_drain_all(ha->stats_tq);
2115         taskqueue_drain_all(ha->async_event_tq);
2116
2117         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2118                 return;
2119
2120         device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n",
2121                 __func__, qla_get_usec_timestamp());
2122
2123         if (ha->qla_interface_up) {
2124
2125                 qla_mdelay(__func__, 300);
2126
2127                 //ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2128
2129                 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2130                         qla_tx_fp_t *fp;
2131
2132                         fp = &ha->tx_fp[i];
2133
2134                         if (fp == NULL)
2135                                 continue;
2136
2137                         if (fp->tx_br != NULL) {
2138                                 mtx_lock(&fp->tx_mtx);
2139                                 mtx_unlock(&fp->tx_mtx);
2140                         }
2141                 }
2142         }
2143
2144         qla_drain_fp_taskqueues(ha);
2145
2146         if ((ha->pci_func & 0x1) == 0) {
2147
2148                 if (!ha->msg_from_peer) {
2149                         qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2150
2151                         while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2152                                 msecs_100--)
2153                                 qla_mdelay(__func__, 100);
2154                 }
2155
2156                 ha->msg_from_peer = 0;
2157
2158                 if (ha->enable_minidump)
2159                         ql_minidump(ha);
2160
2161                 if (ha->enable_driverstate_dump)
2162                         ql_capture_drvr_state(ha);
2163
2164                 if (ql_init_hw(ha)) {
2165                         device_printf(ha->pci_dev,
2166                                 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2167                                 __func__, qla_get_usec_timestamp());
2168                         ha->offline = 1;
2169                         goto qla_error_recovery_exit;
2170                 }
2171
2172                 if (ha->qla_interface_up) {
2173                         qla_free_xmt_bufs(ha);
2174                         qla_free_rcv_bufs(ha);
2175                 }
2176
2177                 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2178                         qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2179
2180         } else {
2181                 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2182
2183                         ha->msg_from_peer = 0;
2184
2185                         if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2186                                 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2187                 } else {
2188                         qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2189                 }
2190
2191                 while ((ha->msg_from_peer != QL_PEER_MSG_ACK)  && msecs_100--)
2192                         qla_mdelay(__func__, 100);
2193                 ha->msg_from_peer = 0;
2194
2195                 if (ha->enable_driverstate_dump)
2196                         ql_capture_drvr_state(ha);
2197
2198                 if (msecs_100 == 0) {
2199                         device_printf(ha->pci_dev,
2200                                 "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n",
2201                                 __func__, qla_get_usec_timestamp());
2202                         ha->offline = 1;
2203                         goto qla_error_recovery_exit;
2204                 }
2205
2206                 if (ql_init_hw(ha)) {
2207                         device_printf(ha->pci_dev,
2208                                 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2209                                 __func__, qla_get_usec_timestamp());
2210                         ha->offline = 1;
2211                         goto qla_error_recovery_exit;
2212                 }
2213
2214                 if (ha->qla_interface_up) {
2215                         qla_free_xmt_bufs(ha);
2216                         qla_free_rcv_bufs(ha);
2217                 }
2218         }
2219
2220         qla_mdelay(__func__, ha->ms_delay_after_init);
2221
2222         *((uint32_t *)&ha->hw.flags) = 0;
2223         ha->qla_initiate_recovery = 0;
2224
2225         if (ha->qla_interface_up) {
2226
2227                 if (qla_alloc_xmt_bufs(ha) != 0) {
2228                         ha->offline = 1;
2229                         goto qla_error_recovery_exit;
2230                 }
2231
2232                 qla_confirm_9kb_enable(ha);
2233
2234                 if (qla_alloc_rcv_bufs(ha) != 0) {
2235                         ha->offline = 1;
2236                         goto qla_error_recovery_exit;
2237                 }
2238
2239                 ha->stop_rcv = 0;
2240
2241                 if (ql_init_hw_if(ha) == 0) {
2242                         ifp = ha->ifp;
2243                         ifp->if_drv_flags |= IFF_DRV_RUNNING;
2244                         ha->qla_watchdog_pause = 0;
2245                         ql_update_link_state(ha);
2246                 } else {
2247                         ha->offline = 1;
2248
2249                         if (ha->hw.sp_log_stop_events &
2250                                 Q8_SP_LOG_STOP_IF_START_FAILURE)
2251                                 ha->hw.sp_log_stop = -1;
2252                 }
2253         } else {
2254                 ha->qla_watchdog_pause = 0;
2255         }
2256
2257 qla_error_recovery_exit:
2258
2259         if (ha->offline ) {
2260                 device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n",
2261                         __func__, qla_get_usec_timestamp());
2262                 if (ha->hw.sp_log_stop_events &
2263                         Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE)
2264                         ha->hw.sp_log_stop = -1;
2265         }
2266
2267
2268         QLA_UNLOCK(ha, __func__);
2269
2270         if (!ha->offline)
2271                 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2272                         qla_watchdog, ha);
2273
2274         device_printf(ha->pci_dev,
2275                 "%s: ts_usecs = %ld exit\n",
2276                 __func__, qla_get_usec_timestamp());
2277         return;
2278 }
2279
2280 static void
2281 qla_async_event(void *context, int pending)
2282 {
2283         qla_host_t *ha = context;
2284
2285         if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2286                 return;
2287
2288         if (ha->async_event) {
2289                 ha->async_event = 0;
2290                 qla_hw_async_event(ha);
2291         }
2292
2293         QLA_UNLOCK(ha, __func__);
2294
2295         return;
2296 }
2297
2298 static void
2299 qla_stats(void *context, int pending)
2300 {
2301         qla_host_t *ha;
2302
2303         ha = context;
2304
2305         ql_get_stats(ha);
2306
2307         return;
2308 }
2309