linux/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
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   1/******************************************************************************
   2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3 *
   4 * Based on the r8180 driver, which is:
   5 * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms of version 2 of the GNU General Public License as
   8 * published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 *
  15 * You should have received a copy of the GNU General Public License along with
  16 * this program; if not, write to the Free Software Foundation, Inc.,
  17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  18 *
  19 * The full GNU General Public License is included in this distribution in the
  20 * file called LICENSE.
  21 *
  22 * Contact Information:
  23 * wlanfae <wlanfae@realtek.com>
  24******************************************************************************/
  25#undef RX_DONT_PASS_UL
  26#undef DEBUG_EPROM
  27#undef DEBUG_RX_VERBOSE
  28#undef DUMMY_RX
  29#undef DEBUG_ZERO_RX
  30#undef DEBUG_RX_SKB
  31#undef DEBUG_TX_FRAG
  32#undef DEBUG_RX_FRAG
  33#undef DEBUG_TX_FILLDESC
  34#undef DEBUG_TX
  35#undef DEBUG_IRQ
  36#undef DEBUG_RX
  37#undef DEBUG_RXALLOC
  38#undef DEBUG_REGISTERS
  39#undef DEBUG_RING
  40#undef DEBUG_IRQ_TASKLET
  41#undef DEBUG_TX_ALLOC
  42#undef DEBUG_TX_DESC
  43
  44#include <linux/uaccess.h>
  45#include <linux/pci.h>
  46#include <linux/vmalloc.h>
  47#include "rtl_core.h"
  48#include "r8192E_phy.h"
  49#include "r8192E_phyreg.h"
  50#include "r8190P_rtl8256.h"
  51#include "r8192E_cmdpkt.h"
  52
  53#include "rtl_wx.h"
  54#include "rtl_dm.h"
  55
  56#include "rtl_pm.h"
  57
  58int hwwep = 1;
  59static int channels = 0x3fff;
  60static char *ifname = "wlan%d";
  61
  62
  63static struct rtl819x_ops rtl819xp_ops = {
  64        .nic_type                       = NIC_8192E,
  65        .get_eeprom_size                = rtl8192_get_eeprom_size,
  66        .init_adapter_variable          = rtl8192_InitializeVariables,
  67        .initialize_adapter             = rtl8192_adapter_start,
  68        .link_change                    = rtl8192_link_change,
  69        .tx_fill_descriptor             = rtl8192_tx_fill_desc,
  70        .tx_fill_cmd_descriptor         = rtl8192_tx_fill_cmd_desc,
  71        .rx_query_status_descriptor     = rtl8192_rx_query_status_desc,
  72        .rx_command_packet_handler = NULL,
  73        .stop_adapter                   = rtl8192_halt_adapter,
  74        .update_ratr_table              = rtl8192_update_ratr_table,
  75        .irq_enable                     = rtl8192_EnableInterrupt,
  76        .irq_disable                    = rtl8192_DisableInterrupt,
  77        .irq_clear                      = rtl8192_ClearInterrupt,
  78        .rx_enable                      = rtl8192_enable_rx,
  79        .tx_enable                      = rtl8192_enable_tx,
  80        .interrupt_recognized           = rtl8192_interrupt_recognized,
  81        .TxCheckStuckHandler            = rtl8192_HalTxCheckStuck,
  82        .RxCheckStuckHandler            = rtl8192_HalRxCheckStuck,
  83};
  84
  85static struct pci_device_id rtl8192_pci_id_tbl[] = {
  86        {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
  87        {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
  88        {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
  89        {}
  90};
  91
  92MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
  93
  94static int rtl8192_pci_probe(struct pci_dev *pdev,
  95                        const struct pci_device_id *id);
  96static void rtl8192_pci_disconnect(struct pci_dev *pdev);
  97
  98static struct pci_driver rtl8192_pci_driver = {
  99        .name = DRV_NAME,       /* Driver name   */
 100        .id_table = rtl8192_pci_id_tbl, /* PCI_ID table  */
 101        .probe  = rtl8192_pci_probe,    /* probe fn      */
 102        .remove  = rtl8192_pci_disconnect,      /* remove fn */
 103        .suspend = rtl8192E_suspend,    /* PM suspend fn */
 104        .resume = rtl8192E_resume,                 /* PM resume fn  */
 105};
 106
 107/****************************************************************************
 108   -----------------------------IO STUFF-------------------------
 109*****************************************************************************/
 110static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
 111{
 112        bool            bReturn = false;
 113
 114        *pu1bPageMask = 0xfe;
 115
 116        switch (u4bPage) {
 117        case 1: case 2: case 3: case 4:
 118        case 8: case 9: case 10: case 12: case 13:
 119                bReturn = true;
 120                *pu1bPageMask = 0xf0;
 121                break;
 122
 123        default:
 124                bReturn = false;
 125                break;
 126        }
 127
 128        return bReturn;
 129}
 130
 131void write_nic_io_byte(struct net_device *dev, int x, u8 y)
 132{
 133        u32 u4bPage = (x >> 8);
 134        u8 u1PageMask = 0;
 135        bool    bIsLegalPage = false;
 136
 137        if (u4bPage == 0) {
 138                outb(y&0xff, dev->base_addr + x);
 139
 140        } else {
 141                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 142                               &u1PageMask);
 143                if (bIsLegalPage) {
 144                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 145
 146                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 147                                          (u8)u4bPage));
 148                        write_nic_io_byte(dev, (x & 0xff), y);
 149                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 150                }
 151        }
 152}
 153
 154void write_nic_io_word(struct net_device *dev, int x, u16 y)
 155{
 156        u32 u4bPage = (x >> 8);
 157        u8 u1PageMask = 0;
 158        bool    bIsLegalPage = false;
 159
 160        if (u4bPage == 0) {
 161                outw(y, dev->base_addr + x);
 162        } else {
 163                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 164                                                         &u1PageMask);
 165                if (bIsLegalPage) {
 166                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 167
 168                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 169                                          (u8)u4bPage));
 170                        write_nic_io_word(dev, (x & 0xff), y);
 171                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 172
 173                }
 174        }
 175}
 176
 177void write_nic_io_dword(struct net_device *dev, int x, u32 y)
 178{
 179        u32 u4bPage = (x >> 8);
 180        u8 u1PageMask = 0;
 181        bool    bIsLegalPage = false;
 182
 183        if (u4bPage == 0) {
 184                outl(y, dev->base_addr + x);
 185        } else {
 186                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 187                                                 &u1PageMask);
 188                if (bIsLegalPage) {
 189                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 190
 191                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 192                                          (u8)u4bPage));
 193                        write_nic_io_dword(dev, (x & 0xff), y);
 194                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 195                }
 196        }
 197}
 198
 199u8 read_nic_io_byte(struct net_device *dev, int x)
 200{
 201        u32 u4bPage = (x >> 8);
 202        u8 u1PageMask = 0;
 203        bool    bIsLegalPage = false;
 204        u8      Data = 0;
 205
 206        if (u4bPage == 0) {
 207                return 0xff&inb(dev->base_addr + x);
 208        } else {
 209                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 210                                                        &u1PageMask);
 211                if (bIsLegalPage) {
 212                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 213
 214                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 215                                          (u8)u4bPage));
 216                        Data = read_nic_io_byte(dev, (x & 0xff));
 217                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 218                }
 219        }
 220
 221        return Data;
 222}
 223
 224u16 read_nic_io_word(struct net_device *dev, int x)
 225{
 226        u32 u4bPage = (x >> 8);
 227        u8 u1PageMask = 0;
 228        bool    bIsLegalPage = false;
 229        u16     Data = 0;
 230
 231        if (u4bPage == 0) {
 232                return inw(dev->base_addr + x);
 233        } else {
 234                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 235                               &u1PageMask);
 236                if (bIsLegalPage) {
 237                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 238
 239                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 240                                          (u8)u4bPage));
 241                        Data = read_nic_io_word(dev, (x & 0xff));
 242                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 243
 244                }
 245        }
 246
 247        return Data;
 248}
 249
 250u32 read_nic_io_dword(struct net_device *dev, int x)
 251{
 252        u32 u4bPage = (x >> 8);
 253        u8 u1PageMask = 0;
 254        bool    bIsLegalPage = false;
 255        u32     Data = 0;
 256
 257        if (u4bPage == 0) {
 258                return inl(dev->base_addr + x);
 259        } else {
 260                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 261                               &u1PageMask);
 262                if (bIsLegalPage) {
 263                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 264
 265                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 266                                          (u8)u4bPage));
 267                        Data = read_nic_io_dword(dev, (x & 0xff));
 268                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 269
 270                }
 271        }
 272
 273        return Data;
 274}
 275
 276u8 read_nic_byte(struct net_device *dev, int x)
 277{
 278        return 0xff & readb((u8 __iomem *)dev->mem_start + x);
 279}
 280
 281u32 read_nic_dword(struct net_device *dev, int x)
 282{
 283        return readl((u8 __iomem *)dev->mem_start + x);
 284}
 285
 286u16 read_nic_word(struct net_device *dev, int x)
 287{
 288        return readw((u8 __iomem *)dev->mem_start + x);
 289}
 290
 291void write_nic_byte(struct net_device *dev, int x, u8 y)
 292{
 293        writeb(y, (u8 __iomem *)dev->mem_start + x);
 294
 295        udelay(20);
 296}
 297
 298void write_nic_dword(struct net_device *dev, int x, u32 y)
 299{
 300        writel(y, (u8 __iomem *)dev->mem_start + x);
 301
 302        udelay(20);
 303}
 304
 305void write_nic_word(struct net_device *dev, int x, u16 y)
 306{
 307        writew(y, (u8 __iomem *)dev->mem_start + x);
 308
 309        udelay(20);
 310}
 311
 312/****************************************************************************
 313   -----------------------------GENERAL FUNCTION-------------------------
 314*****************************************************************************/
 315bool MgntActSet_RF_State(struct net_device *dev,
 316                         enum rt_rf_power_state StateToSet,
 317                         RT_RF_CHANGE_SOURCE ChangeSource,
 318                         bool   ProtectOrNot)
 319{
 320        struct r8192_priv *priv = rtllib_priv(dev);
 321        struct rtllib_device *ieee = priv->rtllib;
 322        bool                    bActionAllowed = false;
 323        bool                    bConnectBySSID = false;
 324        enum rt_rf_power_state rtState;
 325        u16                     RFWaitCounter = 0;
 326        unsigned long flag;
 327        RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): "
 328                 "StateToSet(%d)\n", StateToSet);
 329
 330        ProtectOrNot = false;
 331
 332
 333        if (!ProtectOrNot) {
 334                while (true) {
 335                        spin_lock_irqsave(&priv->rf_ps_lock, flag);
 336                        if (priv->RFChangeInProgress) {
 337                                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 338                                RT_TRACE((COMP_PS | COMP_RF),
 339                                         "MgntActSet_RF_State(): RF Change in "
 340                                         "progress! Wait to set..StateToSet"
 341                                         "(%d).\n", StateToSet);
 342
 343                                while (priv->RFChangeInProgress) {
 344                                        RFWaitCounter++;
 345                                        RT_TRACE((COMP_PS | COMP_RF),
 346                                                 "MgntActSet_RF_State(): Wait 1"
 347                                                 " ms (%d times)...\n",
 348                                                 RFWaitCounter);
 349                                        mdelay(1);
 350
 351                                        if (RFWaitCounter > 100) {
 352                                                RT_TRACE(COMP_ERR, "MgntActSet_"
 353                                                         "RF_State(): Wait too "
 354                                                         "logn to set RF\n");
 355                                                return false;
 356                                        }
 357                                }
 358                        } else {
 359                                priv->RFChangeInProgress = true;
 360                                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 361                                break;
 362                        }
 363                }
 364        }
 365
 366        rtState = priv->rtllib->eRFPowerState;
 367
 368        switch (StateToSet) {
 369        case eRfOn:
 370                priv->rtllib->RfOffReason &= (~ChangeSource);
 371
 372                if ((ChangeSource == RF_CHANGE_BY_HW) &&
 373                    (priv->bHwRadioOff == true))
 374                        priv->bHwRadioOff = false;
 375
 376                if (!priv->rtllib->RfOffReason) {
 377                        priv->rtllib->RfOffReason = 0;
 378                        bActionAllowed = true;
 379
 380
 381                        if (rtState == eRfOff &&
 382                            ChangeSource >= RF_CHANGE_BY_HW)
 383                                bConnectBySSID = true;
 384                } else {
 385                        RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - "
 386                                 "eRfon reject pMgntInfo->RfOffReason= 0x%x,"
 387                                 " ChangeSource=0x%X\n",
 388                                  priv->rtllib->RfOffReason, ChangeSource);
 389        }
 390
 391                break;
 392
 393        case eRfOff:
 394
 395                if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
 396                    (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
 397                        if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
 398                            (ChangeSource > RF_CHANGE_BY_IPS)) {
 399                                if (ieee->state == RTLLIB_LINKED)
 400                                        priv->blinked_ingpio = true;
 401                                else
 402                                        priv->blinked_ingpio = false;
 403                                rtllib_MgntDisconnect(priv->rtllib,
 404                                                      disas_lv_ss);
 405                        }
 406                }
 407                if ((ChangeSource == RF_CHANGE_BY_HW) &&
 408                     (priv->bHwRadioOff == false))
 409                        priv->bHwRadioOff = true;
 410                priv->rtllib->RfOffReason |= ChangeSource;
 411                bActionAllowed = true;
 412                break;
 413
 414        case eRfSleep:
 415                priv->rtllib->RfOffReason |= ChangeSource;
 416                bActionAllowed = true;
 417                break;
 418
 419        default:
 420                break;
 421        }
 422
 423        if (bActionAllowed) {
 424                RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is"
 425                         " allowed.... StateToSet(%d), RfOffReason(%#X)\n",
 426                         StateToSet, priv->rtllib->RfOffReason);
 427                PHY_SetRFPowerState(dev, StateToSet);
 428                if (StateToSet == eRfOn) {
 429
 430                        if (bConnectBySSID && (priv->blinked_ingpio == true)) {
 431                                queue_delayed_work_rsl(ieee->wq,
 432                                         &ieee->associate_procedure_wq, 0);
 433                                priv->blinked_ingpio = false;
 434                        }
 435                }
 436        } else {
 437                RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): "
 438                         "Action is rejected.... StateToSet(%d), ChangeSource"
 439                         "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource,
 440                         priv->rtllib->RfOffReason);
 441        }
 442
 443        if (!ProtectOrNot) {
 444                spin_lock_irqsave(&priv->rf_ps_lock, flag);
 445                priv->RFChangeInProgress = false;
 446                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 447        }
 448
 449        RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
 450        return bActionAllowed;
 451}
 452
 453
 454static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
 455{
 456        struct r8192_priv *priv = rtllib_priv(dev);
 457        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 458
 459        /* For now, we reserved two free descriptor as a safety boundary
 460        * between the tail and the head
 461        */
 462        if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
 463                RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d "
 464                         "queue_len=%d---------\n", prio, ring->idx,
 465                         skb_queue_len(&ring->queue));
 466        return skb_queue_len(&ring->queue);
 467}
 468
 469static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
 470{
 471        struct r8192_priv *priv = rtllib_priv(dev);
 472        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 473
 474        if (ring->entries - skb_queue_len(&ring->queue) >= 2)
 475                return 1;
 476        return 0;
 477}
 478
 479void rtl8192_tx_timeout(struct net_device *dev)
 480{
 481        struct r8192_priv *priv = rtllib_priv(dev);
 482
 483        schedule_work(&priv->reset_wq);
 484        printk(KERN_INFO "TXTIMEOUT");
 485}
 486
 487void rtl8192_irq_enable(struct net_device *dev)
 488{
 489        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 490        priv->irq_enabled = 1;
 491
 492        priv->ops->irq_enable(dev);
 493}
 494
 495void rtl8192_irq_disable(struct net_device *dev)
 496{
 497        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 498
 499        priv->ops->irq_disable(dev);
 500
 501        priv->irq_enabled = 0;
 502}
 503
 504void rtl8192_set_chan(struct net_device *dev, short ch)
 505{
 506        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 507
 508        RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 509        if (priv->chan_forced)
 510                return;
 511
 512        priv->chan = ch;
 513
 514        if (priv->rf_set_chan)
 515                priv->rf_set_chan(dev, priv->chan);
 516}
 517
 518void rtl8192_update_cap(struct net_device *dev, u16 cap)
 519{
 520        struct r8192_priv *priv = rtllib_priv(dev);
 521        struct rtllib_network *net = &priv->rtllib->current_network;
 522        bool            ShortPreamble;
 523
 524        if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
 525                if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
 526                        ShortPreamble = true;
 527                        priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
 528                        RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_"
 529                                 "PREAMBLE\n", __func__);
 530                        priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
 531                                        (unsigned char *)&ShortPreamble);
 532                }
 533        } else {
 534                if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
 535                        ShortPreamble = false;
 536                        priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
 537                        RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_"
 538                                 "PREAMBLE\n", __func__);
 539                        priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
 540                                              (unsigned char *)&ShortPreamble);
 541                }
 542        }
 543
 544        if (net->mode & (IEEE_G|IEEE_N_24G)) {
 545                u8      slot_time_val;
 546                u8      CurSlotTime = priv->slot_time;
 547
 548                if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
 549                   (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
 550                        if (CurSlotTime != SHORT_SLOT_TIME) {
 551                                slot_time_val = SHORT_SLOT_TIME;
 552                                priv->rtllib->SetHwRegHandler(dev,
 553                                         HW_VAR_SLOT_TIME, &slot_time_val);
 554                        }
 555                } else {
 556                        if (CurSlotTime != NON_SHORT_SLOT_TIME) {
 557                                slot_time_val = NON_SHORT_SLOT_TIME;
 558                                priv->rtllib->SetHwRegHandler(dev,
 559                                         HW_VAR_SLOT_TIME, &slot_time_val);
 560                        }
 561                }
 562        }
 563}
 564
 565static struct rtllib_qos_parameters def_qos_parameters = {
 566        {3, 3, 3, 3},
 567        {7, 7, 7, 7},
 568        {2, 2, 2, 2},
 569        {0, 0, 0, 0},
 570        {0, 0, 0, 0}
 571};
 572
 573static void rtl8192_update_beacon(void *data)
 574{
 575        struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
 576                                  update_beacon_wq.work);
 577        struct net_device *dev = priv->rtllib->dev;
 578        struct rtllib_device *ieee = priv->rtllib;
 579        struct rtllib_network *net = &ieee->current_network;
 580
 581        if (ieee->pHTInfo->bCurrentHTSupport)
 582                HT_update_self_and_peer_setting(ieee, net);
 583        ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
 584                 net->bssht.bdRT2RTLongSlotTime;
 585        ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
 586        rtl8192_update_cap(dev, net->capability);
 587}
 588
 589int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
 590
 591static void rtl8192_qos_activate(void *data)
 592{
 593        struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
 594                                  qos_activate);
 595        struct net_device *dev = priv->rtllib->dev;
 596        int i;
 597
 598        mutex_lock(&priv->mutex);
 599        if (priv->rtllib->state != RTLLIB_LINKED)
 600                goto success;
 601        RT_TRACE(COMP_QOS, "qos active process with associate response "
 602                 "received\n");
 603
 604        for (i = 0; i <  QOS_QUEUE_NUM; i++) {
 605                priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
 606        }
 607
 608success:
 609        mutex_unlock(&priv->mutex);
 610}
 611
 612static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
 613                int active_network,
 614                struct rtllib_network *network)
 615{
 616        int ret = 0;
 617        u32 size = sizeof(struct rtllib_qos_parameters);
 618
 619        if (priv->rtllib->state != RTLLIB_LINKED)
 620                return ret;
 621
 622        if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
 623                return ret;
 624
 625        if (network->flags & NETWORK_HAS_QOS_MASK) {
 626                if (active_network &&
 627                                (network->flags & NETWORK_HAS_QOS_PARAMETERS))
 628                        network->qos_data.active = network->qos_data.supported;
 629
 630                if ((network->qos_data.active == 1) && (active_network == 1) &&
 631                                (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
 632                                (network->qos_data.old_param_count !=
 633                                network->qos_data.param_count)) {
 634                        network->qos_data.old_param_count =
 635                                network->qos_data.param_count;
 636        priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
 637                        queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 638                        RT_TRACE(COMP_QOS, "QoS parameters change call "
 639                                        "qos_activate\n");
 640                }
 641        } else {
 642                memcpy(&priv->rtllib->current_network.qos_data.parameters,
 643                       &def_qos_parameters, size);
 644
 645                if ((network->qos_data.active == 1) && (active_network == 1)) {
 646                        queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 647                        RT_TRACE(COMP_QOS, "QoS was disabled call qos_"
 648                                 "activate\n");
 649                }
 650                network->qos_data.active = 0;
 651                network->qos_data.supported = 0;
 652        }
 653
 654        return 0;
 655}
 656
 657static int rtl8192_handle_beacon(struct net_device *dev,
 658        struct rtllib_beacon *beacon,
 659        struct rtllib_network *network)
 660{
 661        struct r8192_priv *priv = rtllib_priv(dev);
 662
 663        rtl8192_qos_handle_probe_response(priv, 1, network);
 664
 665        queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
 666        return 0;
 667
 668}
 669
 670static int rtl8192_qos_association_resp(struct r8192_priv *priv,
 671        struct rtllib_network *network)
 672{
 673        int ret = 0;
 674        unsigned long flags;
 675        u32 size = sizeof(struct rtllib_qos_parameters);
 676        int set_qos_param = 0;
 677
 678        if ((priv == NULL) || (network == NULL))
 679                return ret;
 680
 681        if (priv->rtllib->state != RTLLIB_LINKED)
 682                return ret;
 683
 684        if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
 685                return ret;
 686
 687        spin_lock_irqsave(&priv->rtllib->lock, flags);
 688        if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
 689                memcpy(&priv->rtllib->current_network.qos_data.parameters,
 690                       &network->qos_data.parameters,
 691                       sizeof(struct rtllib_qos_parameters));
 692                priv->rtllib->current_network.qos_data.active = 1;
 693                priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
 694                set_qos_param = 1;
 695                priv->rtllib->current_network.qos_data.old_param_count =
 696                        priv->rtllib->current_network.qos_data.param_count;
 697                priv->rtllib->current_network.qos_data.param_count =
 698                        network->qos_data.param_count;
 699        } else {
 700                memcpy(&priv->rtllib->current_network.qos_data.parameters,
 701                &def_qos_parameters, size);
 702                priv->rtllib->current_network.qos_data.active = 0;
 703                priv->rtllib->current_network.qos_data.supported = 0;
 704                set_qos_param = 1;
 705        }
 706
 707        spin_unlock_irqrestore(&priv->rtllib->lock, flags);
 708
 709        RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
 710                 network->flags, priv->rtllib->current_network.qos_data.active);
 711        if (set_qos_param == 1) {
 712                dm_init_edca_turbo(priv->rtllib->dev);
 713                queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 714        }
 715        return ret;
 716}
 717
 718static int rtl8192_handle_assoc_response(struct net_device *dev,
 719                                 struct rtllib_assoc_response_frame *resp,
 720                                 struct rtllib_network *network)
 721{
 722        struct r8192_priv *priv = rtllib_priv(dev);
 723        rtl8192_qos_association_resp(priv, network);
 724        return 0;
 725}
 726
 727static void rtl8192_prepare_beacon(struct r8192_priv *priv)
 728{
 729        struct net_device *dev = priv->rtllib->dev;
 730        struct sk_buff *pskb = NULL, *pnewskb = NULL;
 731        struct cb_desc *tcb_desc = NULL;
 732        struct rtl8192_tx_ring *ring = NULL;
 733        struct tx_desc *pdesc = NULL;
 734
 735        ring = &priv->tx_ring[BEACON_QUEUE];
 736        pskb = __skb_dequeue(&ring->queue);
 737        kfree_skb(pskb);
 738
 739        pnewskb = rtllib_get_beacon(priv->rtllib);
 740        if (!pnewskb)
 741                return;
 742
 743        tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
 744        tcb_desc->queue_index = BEACON_QUEUE;
 745        tcb_desc->data_rate = 2;
 746        tcb_desc->RATRIndex = 7;
 747        tcb_desc->bTxDisableRateFallBack = 1;
 748        tcb_desc->bTxUseDriverAssingedRate = 1;
 749        skb_push(pnewskb, priv->rtllib->tx_headroom);
 750
 751        pdesc = &ring->desc[0];
 752        priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
 753        __skb_queue_tail(&ring->queue, pnewskb);
 754        pdesc->OWN = 1;
 755
 756        return;
 757}
 758
 759static void rtl8192_stop_beacon(struct net_device *dev)
 760{
 761}
 762
 763void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
 764{
 765        struct r8192_priv *priv = rtllib_priv(dev);
 766        struct rtllib_network *net;
 767        u8 i = 0, basic_rate = 0;
 768        net = &priv->rtllib->current_network;
 769
 770        for (i = 0; i < net->rates_len; i++) {
 771                basic_rate = net->rates[i] & 0x7f;
 772                switch (basic_rate) {
 773                case MGN_1M:
 774                        *rate_config |= RRSR_1M;
 775                        break;
 776                case MGN_2M:
 777                        *rate_config |= RRSR_2M;
 778                        break;
 779                case MGN_5_5M:
 780                        *rate_config |= RRSR_5_5M;
 781                        break;
 782                case MGN_11M:
 783                        *rate_config |= RRSR_11M;
 784                        break;
 785                case MGN_6M:
 786                        *rate_config |= RRSR_6M;
 787                        break;
 788                case MGN_9M:
 789                        *rate_config |= RRSR_9M;
 790                        break;
 791                case MGN_12M:
 792                        *rate_config |= RRSR_12M;
 793                        break;
 794                case MGN_18M:
 795                        *rate_config |= RRSR_18M;
 796                        break;
 797                case MGN_24M:
 798                        *rate_config |= RRSR_24M;
 799                        break;
 800                case MGN_36M:
 801                        *rate_config |= RRSR_36M;
 802                        break;
 803                case MGN_48M:
 804                        *rate_config |= RRSR_48M;
 805                        break;
 806                case MGN_54M:
 807                        *rate_config |= RRSR_54M;
 808                        break;
 809                }
 810        }
 811
 812        for (i = 0; i < net->rates_ex_len; i++) {
 813                basic_rate = net->rates_ex[i] & 0x7f;
 814                switch (basic_rate) {
 815                case MGN_1M:
 816                        *rate_config |= RRSR_1M;
 817                        break;
 818                case MGN_2M:
 819                        *rate_config |= RRSR_2M;
 820                        break;
 821                case MGN_5_5M:
 822                        *rate_config |= RRSR_5_5M;
 823                        break;
 824                case MGN_11M:
 825                        *rate_config |= RRSR_11M;
 826                        break;
 827                case MGN_6M:
 828                        *rate_config |= RRSR_6M;
 829                        break;
 830                case MGN_9M:
 831                        *rate_config |= RRSR_9M;
 832                        break;
 833                case MGN_12M:
 834                        *rate_config |= RRSR_12M;
 835                        break;
 836                case MGN_18M:
 837                        *rate_config |= RRSR_18M;
 838                        break;
 839                case MGN_24M:
 840                        *rate_config |= RRSR_24M;
 841                        break;
 842                case MGN_36M:
 843                        *rate_config |= RRSR_36M;
 844                        break;
 845                case MGN_48M:
 846                        *rate_config |= RRSR_48M;
 847                        break;
 848                case MGN_54M:
 849                        *rate_config |= RRSR_54M;
 850                        break;
 851                }
 852        }
 853}
 854
 855static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
 856{
 857        struct rtllib_device *ieee = priv->rtllib;
 858        if (ieee->mode == WIRELESS_MODE_N_24G ||
 859            ieee->mode == WIRELESS_MODE_N_5G) {
 860                memcpy(ieee->Regdot11HTOperationalRateSet,
 861                       ieee->RegHTSuppRateSet, 16);
 862                memcpy(ieee->Regdot11TxHTOperationalRateSet,
 863                       ieee->RegHTSuppRateSet, 16);
 864
 865        } else {
 866                memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
 867        }
 868        return;
 869}
 870
 871static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
 872{
 873        struct r8192_priv *priv = rtllib_priv(dev);
 874        u8 ret = 0;
 875
 876        switch (priv->rf_chip) {
 877        case RF_8225:
 878        case RF_8256:
 879        case RF_6052:
 880        case RF_PSEUDO_11N:
 881                ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
 882                break;
 883        case RF_8258:
 884                ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
 885                break;
 886        default:
 887                ret = WIRELESS_MODE_B;
 888                break;
 889        }
 890        return ret;
 891}
 892
 893void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
 894{
 895        struct r8192_priv *priv = rtllib_priv(dev);
 896        u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
 897
 898        if ((wireless_mode == WIRELESS_MODE_AUTO) ||
 899            ((wireless_mode & bSupportMode) == 0)) {
 900                if (bSupportMode & WIRELESS_MODE_N_24G) {
 901                        wireless_mode = WIRELESS_MODE_N_24G;
 902                } else if (bSupportMode & WIRELESS_MODE_N_5G) {
 903                        wireless_mode = WIRELESS_MODE_N_5G;
 904                } else if ((bSupportMode & WIRELESS_MODE_A)) {
 905                        wireless_mode = WIRELESS_MODE_A;
 906                } else if ((bSupportMode & WIRELESS_MODE_G)) {
 907                        wireless_mode = WIRELESS_MODE_G;
 908                } else if ((bSupportMode & WIRELESS_MODE_B)) {
 909                        wireless_mode = WIRELESS_MODE_B;
 910                } else {
 911                        RT_TRACE(COMP_ERR, "%s(), No valid wireless mode "
 912                                 "supported (%x)!!!\n", __func__, bSupportMode);
 913                        wireless_mode = WIRELESS_MODE_B;
 914                }
 915        }
 916
 917        if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
 918            (WIRELESS_MODE_G | WIRELESS_MODE_B))
 919                wireless_mode = WIRELESS_MODE_G;
 920
 921        priv->rtllib->mode = wireless_mode;
 922
 923        ActUpdateChannelAccessSetting(dev, wireless_mode,
 924                                      &priv->ChannelAccessSetting);
 925
 926        if ((wireless_mode == WIRELESS_MODE_N_24G) ||
 927            (wireless_mode == WIRELESS_MODE_N_5G)) {
 928                priv->rtllib->pHTInfo->bEnableHT = 1;
 929        RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
 930                 __func__, wireless_mode);
 931        } else {
 932                priv->rtllib->pHTInfo->bEnableHT = 0;
 933                RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
 934                         __func__, wireless_mode);
 935        }
 936
 937        RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
 938        rtl8192_refresh_supportrate(priv);
 939}
 940
 941static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
 942{
 943        struct r8192_priv *priv = rtllib_priv(dev);
 944        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
 945                                        (&(priv->rtllib->PowerSaveControl));
 946        bool init_status = true;
 947        priv->bDriverIsGoingToUnload = false;
 948        priv->bdisable_nic = false;
 949
 950        priv->up = 1;
 951        priv->rtllib->ieee_up = 1;
 952
 953        priv->up_first_time = 0;
 954        RT_TRACE(COMP_INIT, "Bringing up iface");
 955        priv->bfirst_init = true;
 956        init_status = priv->ops->initialize_adapter(dev);
 957        if (init_status != true) {
 958                RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
 959                         __func__);
 960                priv->bfirst_init = false;
 961                return -1;
 962        }
 963
 964        RT_TRACE(COMP_INIT, "start adapter finished\n");
 965        RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
 966        priv->bfirst_init = false;
 967
 968        if (priv->polling_timer_on == 0)
 969                check_rfctrl_gpio_timer((unsigned long)dev);
 970
 971        if (priv->rtllib->state != RTLLIB_LINKED)
 972                rtllib_softmac_start_protocol(priv->rtllib, 0);
 973        rtllib_reset_queue(priv->rtllib);
 974        watch_dog_timer_callback((unsigned long) dev);
 975
 976        if (!netif_queue_stopped(dev))
 977                netif_start_queue(dev);
 978        else
 979                netif_wake_queue(dev);
 980
 981        return 0;
 982}
 983
 984static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
 985{
 986        struct r8192_priv *priv = rtllib_priv(dev);
 987        unsigned long flags = 0;
 988        u8 RFInProgressTimeOut = 0;
 989
 990        if (priv->up == 0)
 991                return -1;
 992
 993        if (priv->rtllib->rtllib_ips_leave != NULL)
 994                priv->rtllib->rtllib_ips_leave(dev);
 995
 996        if (priv->rtllib->state == RTLLIB_LINKED)
 997                LeisurePSLeave(dev);
 998
 999        priv->bDriverIsGoingToUnload = true;
1000        priv->up = 0;
1001        priv->rtllib->ieee_up = 0;
1002        priv->bfirst_after_down = 1;
1003        RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1004        if (!netif_queue_stopped(dev))
1005                netif_stop_queue(dev);
1006
1007        priv->rtllib->wpa_ie_len = 0;
1008        kfree(priv->rtllib->wpa_ie);
1009        priv->rtllib->wpa_ie = NULL;
1010        CamResetAllEntry(dev);
1011        memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1012        rtl8192_irq_disable(dev);
1013
1014        del_timer_sync(&priv->watch_dog_timer);
1015        rtl8192_cancel_deferred_work(priv);
1016        cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1017
1018        rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1019        spin_lock_irqsave(&priv->rf_ps_lock, flags);
1020        while (priv->RFChangeInProgress) {
1021                spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1022                if (RFInProgressTimeOut > 100) {
1023                        spin_lock_irqsave(&priv->rf_ps_lock, flags);
1024                        break;
1025                }
1026                RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait "
1027                         "until rf change is done.\n", __func__);
1028                mdelay(1);
1029                RFInProgressTimeOut++;
1030                spin_lock_irqsave(&priv->rf_ps_lock, flags);
1031        }
1032        priv->RFChangeInProgress = true;
1033        spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1034        priv->ops->stop_adapter(dev, false);
1035        spin_lock_irqsave(&priv->rf_ps_lock, flags);
1036        priv->RFChangeInProgress = false;
1037        spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1038        udelay(100);
1039        memset(&priv->rtllib->current_network, 0,
1040               offsetof(struct rtllib_network, list));
1041        RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1042
1043        return 0;
1044}
1045
1046static void rtl8192_init_priv_handler(struct net_device *dev)
1047{
1048        struct r8192_priv *priv = rtllib_priv(dev);
1049
1050        priv->rtllib->softmac_hard_start_xmit   = rtl8192_hard_start_xmit;
1051        priv->rtllib->set_chan                  = rtl8192_set_chan;
1052        priv->rtllib->link_change               = priv->ops->link_change;
1053        priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1054        priv->rtllib->data_hard_stop            = rtl8192_data_hard_stop;
1055        priv->rtllib->data_hard_resume          = rtl8192_data_hard_resume;
1056        priv->rtllib->check_nic_enough_desc     = rtl8192_check_nic_enough_desc;
1057        priv->rtllib->get_nic_desc_num          = rtl8192_get_nic_desc_num;
1058        priv->rtllib->handle_assoc_response     = rtl8192_handle_assoc_response;
1059        priv->rtllib->handle_beacon             = rtl8192_handle_beacon;
1060        priv->rtllib->SetWirelessMode           = rtl8192_SetWirelessMode;
1061        priv->rtllib->LeisurePSLeave            = LeisurePSLeave;
1062        priv->rtllib->SetBWModeHandler          = rtl8192_SetBWMode;
1063        priv->rf_set_chan                       = rtl8192_phy_SwChnl;
1064
1065        priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1066        priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1067
1068        priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1069        priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1070        priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1071
1072        priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1073        priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1074                                         rtl8192_GetHalfNmodeSupportByAPs;
1075
1076        priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1077        priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1078        priv->rtllib->SetFwCmdHandler = NULL;
1079        priv->rtllib->InitialGainHandler = InitialGain819xPci;
1080        priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1081        priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1082
1083        priv->rtllib->LedControlHandler = NULL;
1084        priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1085
1086        priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1087
1088        priv->rtllib->rtllib_rfkill_poll = NULL;
1089}
1090
1091static void rtl8192_init_priv_constant(struct net_device *dev)
1092{
1093        struct r8192_priv *priv = rtllib_priv(dev);
1094        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1095                                        &(priv->rtllib->PowerSaveControl);
1096
1097        pPSC->RegMaxLPSAwakeIntvl = 5;
1098
1099        priv->RegPciASPM = 2;
1100
1101        priv->RegDevicePciASPMSetting = 0x03;
1102
1103        priv->RegHostPciASPMSetting = 0x02;
1104
1105        priv->RegHwSwRfOffD3 = 2;
1106
1107        priv->RegSupportPciASPM = 2;
1108}
1109
1110
1111static void rtl8192_init_priv_variable(struct net_device *dev)
1112{
1113        struct r8192_priv *priv = rtllib_priv(dev);
1114        u8 i;
1115
1116        priv->AcmMethod = eAcmWay2_SW;
1117        priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1118        priv->rtllib->hwscan_sem_up = 1;
1119        priv->rtllib->status = 0;
1120        priv->H2CTxCmdSeq = 0;
1121        priv->bDisableFrameBursting = 0;
1122        priv->bDMInitialGainEnable = 1;
1123        priv->polling_timer_on = 0;
1124        priv->up_first_time = 1;
1125        priv->blinked_ingpio = false;
1126        priv->bDriverIsGoingToUnload = false;
1127        priv->being_init_adapter = false;
1128        priv->initialized_at_probe = false;
1129        priv->sw_radio_on = true;
1130        priv->bdisable_nic = false;
1131        priv->bfirst_init = false;
1132        priv->txringcount = 64;
1133        priv->rxbuffersize = 9100;
1134        priv->rxringcount = MAX_RX_COUNT;
1135        priv->irq_enabled = 0;
1136        priv->chan = 1;
1137        priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1138        priv->RegChannelPlan = 0xf;
1139        priv->nrxAMPDU_size = 0;
1140        priv->nrxAMPDU_aggr_num = 0;
1141        priv->last_rxdesc_tsf_high = 0;
1142        priv->last_rxdesc_tsf_low = 0;
1143        priv->rtllib->mode = WIRELESS_MODE_AUTO;
1144        priv->rtllib->iw_mode = IW_MODE_INFRA;
1145        priv->rtllib->bNetPromiscuousMode = false;
1146        priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1147        priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1148                                                                 false;
1149        priv->rtllib->ieee_up = 0;
1150        priv->retry_rts = DEFAULT_RETRY_RTS;
1151        priv->retry_data = DEFAULT_RETRY_DATA;
1152        priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1153        priv->rtllib->rate = 110;
1154        priv->rtllib->short_slot = 1;
1155        priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1156        priv->bcck_in_ch14 = false;
1157        priv->bfsync_processing  = false;
1158        priv->CCKPresentAttentuation = 0;
1159        priv->rfa_txpowertrackingindex = 0;
1160        priv->rfc_txpowertrackingindex = 0;
1161        priv->CckPwEnl = 6;
1162        priv->ScanDelay = 50;
1163        priv->ResetProgress = RESET_TYPE_NORESET;
1164        priv->bForcedSilentReset = 0;
1165        priv->bDisableNormalResetCheck = false;
1166        priv->force_reset = false;
1167        memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1168
1169        memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1170        priv->RxCounter = 0;
1171        priv->rtllib->wx_set_enc = 0;
1172        priv->bHwRadioOff = false;
1173        priv->RegRfOff = 0;
1174        priv->isRFOff = false;
1175        priv->bInPowerSaveMode = false;
1176        priv->rtllib->RfOffReason = 0;
1177        priv->RFChangeInProgress = false;
1178        priv->bHwRfOffAction = 0;
1179        priv->SetRFPowerStateInProgress = false;
1180        priv->rtllib->PowerSaveControl.bInactivePs = true;
1181        priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1182        priv->rtllib->PowerSaveControl.bLeisurePs = true;
1183        priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1184        priv->rtllib->LPSDelayCnt = 0;
1185        priv->rtllib->sta_sleep = LPS_IS_WAKE;
1186        priv->rtllib->eRFPowerState = eRfOn;
1187
1188        priv->txpower_checkcnt = 0;
1189        priv->thermal_readback_index = 0;
1190        priv->txpower_tracking_callback_cnt = 0;
1191        priv->ccktxpower_adjustcnt_ch14 = 0;
1192        priv->ccktxpower_adjustcnt_not_ch14 = 0;
1193
1194        priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1195        priv->rtllib->iw_mode = IW_MODE_INFRA;
1196        priv->rtllib->active_scan = 1;
1197        priv->rtllib->be_scan_inprogress = false;
1198        priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1199                                   RTLLIB_OFDM_MODULATION;
1200        priv->rtllib->host_encrypt = 1;
1201        priv->rtllib->host_decrypt = 1;
1202
1203        priv->rtllib->dot11PowerSaveMode = eActive;
1204        priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1205        priv->rtllib->MaxMssDensity = 0;
1206        priv->rtllib->MinSpaceCfg = 0;
1207
1208        priv->card_type = PCI;
1209
1210        priv->AcmControl = 0;
1211        priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1212        if (!priv->pFirmware)
1213                printk(KERN_ERR "rtl8192e: Unable to allocate space "
1214                       "for firmware\n");
1215
1216        skb_queue_head_init(&priv->rx_queue);
1217        skb_queue_head_init(&priv->skb_queue);
1218
1219        for (i = 0; i < MAX_QUEUE_SIZE; i++)
1220                skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1221        for (i = 0; i < MAX_QUEUE_SIZE; i++)
1222                skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1223}
1224
1225static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1226{
1227        spin_lock_init(&priv->fw_scan_lock);
1228        spin_lock_init(&priv->tx_lock);
1229        spin_lock_init(&priv->irq_lock);
1230        spin_lock_init(&priv->irq_th_lock);
1231        spin_lock_init(&priv->rf_ps_lock);
1232        spin_lock_init(&priv->ps_lock);
1233        spin_lock_init(&priv->rf_lock);
1234        spin_lock_init(&priv->rt_h2c_lock);
1235        sema_init(&priv->wx_sem, 1);
1236        sema_init(&priv->rf_sem, 1);
1237        mutex_init(&priv->mutex);
1238}
1239
1240static void rtl8192_init_priv_task(struct net_device *dev)
1241{
1242        struct r8192_priv *priv = rtllib_priv(dev);
1243
1244        priv->priv_wq = create_workqueue(DRV_NAME);
1245        INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1246        INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1247        INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1248                              (void *)rtl819x_watchdog_wqcallback, dev);
1249        INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1250                              (void *)dm_txpower_trackingcallback, dev);
1251        INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1252                              (void *)dm_rf_pathcheck_workitemcallback, dev);
1253        INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1254                              (void *)rtl8192_update_beacon, dev);
1255        INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1256        INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1257                              (void *) rtl8192_hw_wakeup_wq, dev);
1258        INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1259                              (void *) rtl8192_hw_sleep_wq, dev);
1260        tasklet_init(&priv->irq_rx_tasklet,
1261                     (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1262                     (unsigned long)priv);
1263        tasklet_init(&priv->irq_tx_tasklet,
1264                     (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1265                     (unsigned long)priv);
1266        tasklet_init(&priv->irq_prepare_beacon_tasklet,
1267                     (void(*)(unsigned long))rtl8192_prepare_beacon,
1268                     (unsigned long)priv);
1269}
1270
1271static short rtl8192_get_channel_map(struct net_device *dev)
1272{
1273        int i;
1274
1275        struct r8192_priv *priv = rtllib_priv(dev);
1276        if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1277                        && (priv->rf_chip != RF_6052)) {
1278                RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel "
1279                         "map\n", __func__);
1280                return -1;
1281        }
1282
1283        if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1284                printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
1285                       "default.\n");
1286                priv->ChannelPlan = COUNTRY_CODE_FCC;
1287        }
1288        RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1289        dot11d_init(priv->rtllib);
1290        Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1291        for (i = 1; i <= 11; i++)
1292                (priv->rtllib->active_channel_map)[i] = 1;
1293        (priv->rtllib->active_channel_map)[12] = 2;
1294        (priv->rtllib->active_channel_map)[13] = 2;
1295
1296        return 0;
1297}
1298
1299static short rtl8192_init(struct net_device *dev)
1300{
1301        struct r8192_priv *priv = rtllib_priv(dev);
1302
1303        memset(&(priv->stats), 0, sizeof(struct rt_stats));
1304
1305        rtl8192_init_priv_handler(dev);
1306        rtl8192_init_priv_constant(dev);
1307        rtl8192_init_priv_variable(dev);
1308        rtl8192_init_priv_lock(priv);
1309        rtl8192_init_priv_task(dev);
1310        priv->ops->get_eeprom_size(dev);
1311        priv->ops->init_adapter_variable(dev);
1312        rtl8192_get_channel_map(dev);
1313
1314        init_hal_dm(dev);
1315
1316        init_timer(&priv->watch_dog_timer);
1317        setup_timer(&priv->watch_dog_timer,
1318                    watch_dog_timer_callback,
1319                    (unsigned long) dev);
1320
1321        init_timer(&priv->gpio_polling_timer);
1322        setup_timer(&priv->gpio_polling_timer,
1323                    check_rfctrl_gpio_timer,
1324                    (unsigned long)dev);
1325
1326        rtl8192_irq_disable(dev);
1327        if (request_irq(dev->irq, (void *)rtl8192_interrupt_rsl, IRQF_SHARED,
1328            dev->name, dev)) {
1329                printk(KERN_ERR "Error allocating IRQ %d", dev->irq);
1330                return -1;
1331        } else {
1332                priv->irq = dev->irq;
1333                RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1334        }
1335
1336        if (rtl8192_pci_initdescring(dev) != 0) {
1337                printk(KERN_ERR "Endopoints initialization failed");
1338                free_irq(dev->irq, dev);
1339                return -1;
1340        }
1341
1342        return 0;
1343}
1344
1345/***************************************************************************
1346        -------------------------------WATCHDOG STUFF---------------------------
1347***************************************************************************/
1348short rtl8192_is_tx_queue_empty(struct net_device *dev)
1349{
1350        int i = 0;
1351        struct r8192_priv *priv = rtllib_priv(dev);
1352        for (i = 0; i <= MGNT_QUEUE; i++) {
1353                if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1354                        continue;
1355                if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1356                        printk(KERN_INFO "===>tx queue is not empty:%d, %d\n",
1357                               i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1358                        return 0;
1359                }
1360        }
1361        return 1;
1362}
1363
1364static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1365{
1366        struct r8192_priv *priv = rtllib_priv(dev);
1367        u8      QueueID;
1368        u8      ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1369        bool    bCheckFwTxCnt = false;
1370        struct rtl8192_tx_ring  *ring = NULL;
1371        struct sk_buff *skb = NULL;
1372        struct cb_desc *tcb_desc = NULL;
1373        unsigned long flags = 0;
1374
1375        switch (priv->rtllib->ps) {
1376        case RTLLIB_PS_DISABLED:
1377                ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1378                break;
1379        case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1380                ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1381                break;
1382        default:
1383                ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1384                break;
1385        }
1386        spin_lock_irqsave(&priv->irq_th_lock, flags);
1387        for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1388                if (QueueID == TXCMD_QUEUE)
1389                        continue;
1390
1391                if (QueueID == BEACON_QUEUE)
1392                        continue;
1393
1394                ring = &priv->tx_ring[QueueID];
1395
1396                if (skb_queue_len(&ring->queue) == 0) {
1397                        continue;
1398                } else {
1399                        skb = (&ring->queue)->next;
1400                        tcb_desc = (struct cb_desc *)(skb->cb +
1401                                    MAX_DEV_ADDR_SIZE);
1402                        tcb_desc->nStuckCount++;
1403                        bCheckFwTxCnt = true;
1404                        if (tcb_desc->nStuckCount > 1)
1405                                printk(KERN_INFO "%s: QueueID=%d tcb_desc->n"
1406                                       "StuckCount=%d\n", __func__, QueueID,
1407                                       tcb_desc->nStuckCount);
1408                }
1409        }
1410        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1411
1412        if (bCheckFwTxCnt) {
1413                if (priv->ops->TxCheckStuckHandler(dev)) {
1414                        RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no"
1415                                 " Tx condition!\n");
1416                        return RESET_TYPE_SILENT;
1417                }
1418        }
1419
1420        return RESET_TYPE_NORESET;
1421}
1422
1423static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1424{
1425        struct r8192_priv *priv = rtllib_priv(dev);
1426
1427        if (priv->ops->RxCheckStuckHandler(dev)) {
1428                RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1429                return RESET_TYPE_SILENT;
1430        }
1431
1432        return RESET_TYPE_NORESET;
1433}
1434
1435static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1436{
1437        struct r8192_priv *priv = rtllib_priv(dev);
1438        enum reset_type TxResetType = RESET_TYPE_NORESET;
1439        enum reset_type RxResetType = RESET_TYPE_NORESET;
1440        enum rt_rf_power_state rfState;
1441
1442        rfState = priv->rtllib->eRFPowerState;
1443
1444        if (rfState == eRfOn)
1445                TxResetType = rtl819x_TxCheckStuck(dev);
1446
1447        if (rfState == eRfOn &&
1448            (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1449            (priv->rtllib->state == RTLLIB_LINKED))
1450                RxResetType = rtl819x_RxCheckStuck(dev);
1451
1452        if (TxResetType == RESET_TYPE_NORMAL ||
1453            RxResetType == RESET_TYPE_NORMAL) {
1454                printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1455                       __func__, TxResetType, RxResetType);
1456                return RESET_TYPE_NORMAL;
1457        } else if (TxResetType == RESET_TYPE_SILENT ||
1458                   RxResetType == RESET_TYPE_SILENT) {
1459                printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1460                       __func__, TxResetType, RxResetType);
1461                return RESET_TYPE_SILENT;
1462        } else {
1463                return RESET_TYPE_NORESET;
1464        }
1465
1466}
1467
1468static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1469{
1470}
1471
1472static void rtl819x_ifsilentreset(struct net_device *dev)
1473{
1474        struct r8192_priv *priv = rtllib_priv(dev);
1475        u8      reset_times = 0;
1476        int reset_status = 0;
1477        struct rtllib_device *ieee = priv->rtllib;
1478        unsigned long flag;
1479
1480        u8 IsPortal = 0;
1481
1482
1483        if (priv->ResetProgress == RESET_TYPE_NORESET) {
1484
1485                RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1486
1487                priv->ResetProgress = RESET_TYPE_SILENT;
1488
1489                spin_lock_irqsave(&priv->rf_ps_lock, flag);
1490                if (priv->RFChangeInProgress) {
1491                        spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1492                        goto END;
1493                }
1494                priv->RFChangeInProgress = true;
1495                priv->bResetInProgress = true;
1496                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1497
1498RESET_START:
1499
1500                down(&priv->wx_sem);
1501
1502                if (priv->rtllib->state == RTLLIB_LINKED)
1503                        LeisurePSLeave(dev);
1504
1505                if (IS_NIC_DOWN(priv)) {
1506                        RT_TRACE(COMP_ERR, "%s():the driver is not up! "
1507                                 "return\n", __func__);
1508                        up(&priv->wx_sem);
1509                        return ;
1510                }
1511                priv->up = 0;
1512
1513                RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1514                          __func__);
1515                mdelay(1000);
1516                RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start"
1517                         " to down the driver\n", __func__);
1518
1519                if (!netif_queue_stopped(dev))
1520                        netif_stop_queue(dev);
1521
1522                rtl8192_irq_disable(dev);
1523                del_timer_sync(&priv->watch_dog_timer);
1524                rtl8192_cancel_deferred_work(priv);
1525                deinit_hal_dm(dev);
1526                rtllib_stop_scan_syncro(ieee);
1527
1528                if (ieee->state == RTLLIB_LINKED) {
1529                        SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1530                        printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n");
1531                        rtllib_stop_send_beacons(priv->rtllib);
1532                        del_timer_sync(&ieee->associate_timer);
1533                        cancel_delayed_work(&ieee->associate_retry_wq);
1534                        rtllib_stop_scan(ieee);
1535                        netif_carrier_off(dev);
1536                        SEM_UP_IEEE_WX(&ieee->wx_sem);
1537                } else {
1538                        printk(KERN_INFO "ieee->state is NOT LINKED\n");
1539                        rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1540                }
1541
1542                dm_backup_dynamic_mechanism_state(dev);
1543
1544                up(&priv->wx_sem);
1545                RT_TRACE(COMP_RESET, "%s():<==========down process is "
1546                         "finished\n", __func__);
1547
1548                RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1549                         __func__);
1550                reset_status = _rtl8192_up(dev, true);
1551
1552                RT_TRACE(COMP_RESET, "%s():<===========up process is "
1553                         "finished\n", __func__);
1554                if (reset_status == -1) {
1555                        if (reset_times < 3) {
1556                                reset_times++;
1557                                goto RESET_START;
1558                        } else {
1559                                RT_TRACE(COMP_ERR, " ERR!!! %s():  Reset "
1560                                         "Failed!!\n", __func__);
1561                        }
1562                }
1563
1564                ieee->is_silent_reset = 1;
1565
1566                spin_lock_irqsave(&priv->rf_ps_lock, flag);
1567                priv->RFChangeInProgress = false;
1568                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1569
1570                EnableHWSecurityConfig8192(dev);
1571
1572                if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1573                    IW_MODE_INFRA) {
1574                        ieee->set_chan(ieee->dev,
1575                                       ieee->current_network.channel);
1576
1577                        queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1578
1579                } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1580                           IW_MODE_ADHOC) {
1581                        ieee->set_chan(ieee->dev,
1582                                       ieee->current_network.channel);
1583                        ieee->link_change(ieee->dev);
1584
1585                        notify_wx_assoc_event(ieee);
1586
1587                        rtllib_start_send_beacons(ieee);
1588
1589                        if (ieee->data_hard_resume)
1590                                ieee->data_hard_resume(ieee->dev);
1591                        netif_carrier_on(ieee->dev);
1592                } else if (ieee->iw_mode == IW_MODE_MESH) {
1593                        rtl819x_silentreset_mesh_bk(dev, IsPortal);
1594                }
1595
1596                CamRestoreAllEntry(dev);
1597                dm_restore_dynamic_mechanism_state(dev);
1598END:
1599                priv->ResetProgress = RESET_TYPE_NORESET;
1600                priv->reset_count++;
1601
1602                priv->bForcedSilentReset = false;
1603                priv->bResetInProgress = false;
1604
1605                write_nic_byte(dev, UFWP, 1);
1606                RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1607                         priv->reset_count);
1608        }
1609}
1610
1611static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1612                                    u32 *TotalRxDataNum)
1613{
1614        u16     SlotIndex;
1615        u8      i;
1616
1617        *TotalRxBcnNum = 0;
1618        *TotalRxDataNum = 0;
1619
1620        SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1621                        (priv->rtllib->LinkDetectInfo.SlotNum);
1622        priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1623                        priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1624        priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1625                        priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1626        for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1627                *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1628                *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1629        }
1630}
1631
1632
1633void    rtl819x_watchdog_wqcallback(void *data)
1634{
1635        struct r8192_priv *priv = container_of_dwork_rsl(data,
1636                                  struct r8192_priv, watch_dog_wq);
1637        struct net_device *dev = priv->rtllib->dev;
1638        struct rtllib_device *ieee = priv->rtllib;
1639        enum reset_type ResetType = RESET_TYPE_NORESET;
1640        static u8 check_reset_cnt;
1641        unsigned long flags;
1642        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1643                                        (&(priv->rtllib->PowerSaveControl));
1644        bool bBusyTraffic = false;
1645        bool    bHigherBusyTraffic = false;
1646        bool    bHigherBusyRxTraffic = false;
1647        bool bEnterPS = false;
1648
1649        if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1650                return;
1651
1652        if (priv->rtllib->state >= RTLLIB_LINKED) {
1653                if (priv->rtllib->CntAfterLink < 2)
1654                        priv->rtllib->CntAfterLink++;
1655        } else {
1656                priv->rtllib->CntAfterLink = 0;
1657        }
1658
1659        hal_dm_watchdog(dev);
1660
1661        if (rtllib_act_scanning(priv->rtllib, false) == false) {
1662                if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1663                     RTLLIB_NOLINK) &&
1664                     (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1665                     (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1666                        if ((ieee->PowerSaveControl.ReturnPoint ==
1667                             IPS_CALLBACK_NONE) &&
1668                             (!ieee->bNetPromiscuousMode)) {
1669                                RT_TRACE(COMP_PS, "====================>haha: "
1670                                         "IPSEnter()\n");
1671                                IPSEnter(dev);
1672                        }
1673                }
1674        }
1675        if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1676             IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1677                if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1678                ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1679                        bBusyTraffic = true;
1680
1681
1682                if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1683                    ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1684                        bHigherBusyTraffic = true;
1685                        if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1686                                bHigherBusyRxTraffic = true;
1687                        else
1688                                bHigherBusyRxTraffic = false;
1689                }
1690
1691                if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1692                    ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1693                    (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1694                        bEnterPS = false;
1695                else
1696                        bEnterPS = true;
1697
1698                if (ieee->current_network.beacon_interval < 95)
1699                        bEnterPS = false;
1700
1701                if (bEnterPS)
1702                        LeisurePSEnter(dev);
1703                else
1704                        LeisurePSLeave(dev);
1705
1706        } else {
1707                RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1708                LeisurePSLeave(dev);
1709        }
1710
1711        ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1712        ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1713        ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1714        ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1715
1716        ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1717        ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1718
1719        if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1720                u32     TotalRxBcnNum = 0;
1721                u32     TotalRxDataNum = 0;
1722
1723                rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1724
1725                if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1726                        priv->check_roaming_cnt++;
1727                else
1728                        priv->check_roaming_cnt = 0;
1729
1730
1731                if (priv->check_roaming_cnt > 0) {
1732                        if (ieee->eRFPowerState == eRfOff)
1733                                RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1734
1735                        printk(KERN_INFO "===>%s(): AP is power off, chan:%d,"
1736                               " connect another one\n", __func__, priv->chan);
1737
1738                        ieee->state = RTLLIB_ASSOCIATING;
1739
1740                        RemovePeerTS(priv->rtllib,
1741                                     priv->rtllib->current_network.bssid);
1742                        ieee->is_roaming = true;
1743                        ieee->is_set_key = false;
1744                        ieee->link_change(dev);
1745                        if (ieee->LedControlHandler)
1746                                ieee->LedControlHandler(ieee->dev,
1747                                                        LED_CTL_START_TO_LINK);
1748
1749                        notify_wx_assoc_event(ieee);
1750
1751                        if (!(ieee->rtllib_ap_sec_type(ieee) &
1752                             (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1753                                queue_delayed_work_rsl(ieee->wq,
1754                                        &ieee->associate_procedure_wq, 0);
1755
1756                        priv->check_roaming_cnt = 0;
1757                }
1758                ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1759                ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1760
1761        }
1762
1763        spin_lock_irqsave(&priv->tx_lock, flags);
1764        if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1765            (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1766                ResetType = rtl819x_ifcheck_resetornot(dev);
1767                check_reset_cnt = 3;
1768        }
1769        spin_unlock_irqrestore(&priv->tx_lock, flags);
1770
1771        if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1772                priv->ResetProgress = RESET_TYPE_NORMAL;
1773                RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1774                return;
1775        }
1776
1777        if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1778              ResetType == RESET_TYPE_SILENT)))
1779                rtl819x_ifsilentreset(dev);
1780        priv->force_reset = false;
1781        priv->bForcedSilentReset = false;
1782        priv->bResetInProgress = false;
1783        RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1784}
1785
1786void watch_dog_timer_callback(unsigned long data)
1787{
1788        struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1789        queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1790        mod_timer(&priv->watch_dog_timer, jiffies +
1791                  MSECS(RTLLIB_WATCH_DOG_TIME));
1792}
1793
1794/****************************************************************************
1795 ---------------------------- NIC TX/RX STUFF---------------------------
1796*****************************************************************************/
1797void rtl8192_rx_enable(struct net_device *dev)
1798{
1799        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1800        priv->ops->rx_enable(dev);
1801}
1802
1803void rtl8192_tx_enable(struct net_device *dev)
1804{
1805        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1806
1807        priv->ops->tx_enable(dev);
1808
1809        rtllib_reset_queue(priv->rtllib);
1810}
1811
1812
1813static void rtl8192_free_rx_ring(struct net_device *dev)
1814{
1815        struct r8192_priv *priv = rtllib_priv(dev);
1816        int i, rx_queue_idx;
1817
1818        for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1819             rx_queue_idx++) {
1820                for (i = 0; i < priv->rxringcount; i++) {
1821                        struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1822                        if (!skb)
1823                                continue;
1824
1825                        pci_unmap_single(priv->pdev,
1826                                *((dma_addr_t *)skb->cb),
1827                                priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1828                                kfree_skb(skb);
1829                }
1830
1831                pci_free_consistent(priv->pdev,
1832                        sizeof(*priv->rx_ring[rx_queue_idx]) *
1833                        priv->rxringcount,
1834                        priv->rx_ring[rx_queue_idx],
1835                        priv->rx_ring_dma[rx_queue_idx]);
1836                priv->rx_ring[rx_queue_idx] = NULL;
1837        }
1838}
1839
1840static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1841{
1842        struct r8192_priv *priv = rtllib_priv(dev);
1843        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1844
1845        while (skb_queue_len(&ring->queue)) {
1846                struct tx_desc *entry = &ring->desc[ring->idx];
1847                struct sk_buff *skb = __skb_dequeue(&ring->queue);
1848
1849                pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1850                        skb->len, PCI_DMA_TODEVICE);
1851                kfree_skb(skb);
1852                ring->idx = (ring->idx + 1) % ring->entries;
1853        }
1854
1855        pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1856        ring->desc, ring->dma);
1857        ring->desc = NULL;
1858}
1859
1860void rtl8192_data_hard_stop(struct net_device *dev)
1861{
1862}
1863
1864
1865void rtl8192_data_hard_resume(struct net_device *dev)
1866{
1867}
1868
1869void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1870                            int rate)
1871{
1872        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1873        int ret;
1874        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1875                                    MAX_DEV_ADDR_SIZE);
1876        u8 queue_index = tcb_desc->queue_index;
1877
1878        if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) ||
1879             priv->bResetInProgress) {
1880                kfree_skb(skb);
1881                return;
1882        }
1883
1884        assert(queue_index != TXCMD_QUEUE);
1885
1886
1887        memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1888        skb_push(skb, priv->rtllib->tx_headroom);
1889        ret = rtl8192_tx(dev, skb);
1890        if (ret != 0) {
1891                kfree_skb(skb);
1892        };
1893
1894        if (queue_index != MGNT_QUEUE) {
1895                priv->rtllib->stats.tx_bytes += (skb->len -
1896                                                 priv->rtllib->tx_headroom);
1897                priv->rtllib->stats.tx_packets++;
1898        }
1899
1900
1901        return;
1902}
1903
1904int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1905{
1906        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1907        int ret;
1908        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1909                                    MAX_DEV_ADDR_SIZE);
1910        u8 queue_index = tcb_desc->queue_index;
1911
1912        if (queue_index != TXCMD_QUEUE) {
1913                if ((priv->rtllib->eRFPowerState == eRfOff) ||
1914                     IS_NIC_DOWN(priv) || priv->bResetInProgress) {
1915                        kfree_skb(skb);
1916                        return 0;
1917                }
1918        }
1919
1920        memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1921        if (queue_index == TXCMD_QUEUE) {
1922                rtl8192_tx_cmd(dev, skb);
1923                ret = 0;
1924                return ret;
1925        } else {
1926                tcb_desc->RATRIndex = 7;
1927                tcb_desc->bTxDisableRateFallBack = 1;
1928                tcb_desc->bTxUseDriverAssingedRate = 1;
1929                tcb_desc->bTxEnableFwCalcDur = 1;
1930                skb_push(skb, priv->rtllib->tx_headroom);
1931                ret = rtl8192_tx(dev, skb);
1932                if (ret != 0) {
1933                        kfree_skb(skb);
1934                };
1935        }
1936
1937
1938
1939        return ret;
1940
1941}
1942
1943static void rtl8192_tx_isr(struct net_device *dev, int prio)
1944{
1945        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1946
1947        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1948
1949        while (skb_queue_len(&ring->queue)) {
1950                struct tx_desc *entry = &ring->desc[ring->idx];
1951                struct sk_buff *skb;
1952
1953                if (prio != BEACON_QUEUE) {
1954                        if (entry->OWN)
1955                                return;
1956                        ring->idx = (ring->idx + 1) % ring->entries;
1957                }
1958
1959                skb = __skb_dequeue(&ring->queue);
1960                pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1961                skb->len, PCI_DMA_TODEVICE);
1962
1963                kfree_skb(skb);
1964        }
1965        if (prio != BEACON_QUEUE)
1966                tasklet_schedule(&priv->irq_tx_tasklet);
1967}
1968
1969void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1970{
1971        struct r8192_priv *priv = rtllib_priv(dev);
1972        struct rtl8192_tx_ring *ring;
1973        struct tx_desc_cmd *entry;
1974        unsigned int idx;
1975        struct cb_desc *tcb_desc;
1976        unsigned long flags;
1977
1978        spin_lock_irqsave(&priv->irq_th_lock, flags);
1979        ring = &priv->tx_ring[TXCMD_QUEUE];
1980
1981        idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1982        entry = (struct tx_desc_cmd *) &ring->desc[idx];
1983
1984        tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1985
1986        priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1987
1988        __skb_queue_tail(&ring->queue, skb);
1989        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1990
1991        return;
1992}
1993
1994short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1995{
1996        struct r8192_priv *priv = rtllib_priv(dev);
1997        struct rtl8192_tx_ring  *ring;
1998        unsigned long flags;
1999        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
2000                                    MAX_DEV_ADDR_SIZE);
2001        struct tx_desc *pdesc = NULL;
2002        struct rtllib_hdr_1addr *header = NULL;
2003        u16 fc = 0, type = 0, stype = 0;
2004        bool  multi_addr = false, broad_addr = false, uni_addr = false;
2005        u8 *pda_addr = NULL;
2006        int   idx;
2007        u32 fwinfo_size = 0;
2008
2009        if (priv->bdisable_nic) {
2010                RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet"
2011                         " len=%d qidx=%d!!!\n", __func__, skb->len,
2012                         tcb_desc->queue_index);
2013                return skb->len;
2014        }
2015
2016        priv->rtllib->bAwakePktSent = true;
2017
2018        fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2019
2020        header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2021        fc = header->frame_ctl;
2022        type = WLAN_FC_GET_TYPE(fc);
2023        stype = WLAN_FC_GET_STYPE(fc);
2024        pda_addr = header->addr1;
2025
2026        if (is_broadcast_ether_addr(pda_addr))
2027                broad_addr = true;
2028        else if (is_multicast_ether_addr(pda_addr))
2029                multi_addr = true;
2030        else
2031                uni_addr = true;
2032
2033        if (uni_addr)
2034                priv->stats.txbytesunicast += skb->len - fwinfo_size;
2035        else if (multi_addr)
2036                priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2037        else
2038                priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2039
2040        spin_lock_irqsave(&priv->irq_th_lock, flags);
2041        ring = &priv->tx_ring[tcb_desc->queue_index];
2042        if (tcb_desc->queue_index != BEACON_QUEUE)
2043                idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2044        else
2045                idx = 0;
2046
2047        pdesc = &ring->desc[idx];
2048        if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2049                RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = "
2050                         "%d, skblen = 0x%x queuelen=%d",
2051                         tcb_desc->queue_index, ring->idx, idx, skb->len,
2052                         skb_queue_len(&ring->queue));
2053                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2054                return skb->len;
2055        }
2056
2057        if (type == RTLLIB_FTYPE_DATA) {
2058                if (priv->rtllib->LedControlHandler)
2059                        priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2060        }
2061        priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2062        __skb_queue_tail(&ring->queue, skb);
2063        pdesc->OWN = 1;
2064        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2065        dev->trans_start = jiffies;
2066
2067        write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2068        return 0;
2069}
2070
2071static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2072{
2073        struct r8192_priv *priv = rtllib_priv(dev);
2074        struct rx_desc *entry = NULL;
2075        int i, rx_queue_idx;
2076
2077        for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2078                priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2079                                        sizeof(*priv->rx_ring[rx_queue_idx]) *
2080                                        priv->rxringcount,
2081                                        &priv->rx_ring_dma[rx_queue_idx]);
2082
2083                if (!priv->rx_ring[rx_queue_idx] ||
2084                    (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2085                        RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2086                        return -ENOMEM;
2087                }
2088
2089                memset(priv->rx_ring[rx_queue_idx], 0,
2090                       sizeof(*priv->rx_ring[rx_queue_idx]) *
2091                       priv->rxringcount);
2092                priv->rx_idx[rx_queue_idx] = 0;
2093
2094                for (i = 0; i < priv->rxringcount; i++) {
2095                        struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2096                        dma_addr_t *mapping;
2097                        entry = &priv->rx_ring[rx_queue_idx][i];
2098                        if (!skb)
2099                                return 0;
2100                        skb->dev = dev;
2101                        priv->rx_buf[rx_queue_idx][i] = skb;
2102                        mapping = (dma_addr_t *)skb->cb;
2103                        *mapping = pci_map_single(priv->pdev,
2104                                                  skb_tail_pointer_rsl(skb),
2105                                                  priv->rxbuffersize,
2106                                                  PCI_DMA_FROMDEVICE);
2107                        if (pci_dma_mapping_error(priv->pdev, *mapping)) {
2108                                dev_kfree_skb_any(skb);
2109                                return -1;
2110                        }
2111                        entry->BufferAddress = cpu_to_le32(*mapping);
2112
2113                        entry->Length = priv->rxbuffersize;
2114                        entry->OWN = 1;
2115                }
2116
2117                if(entry)
2118                        entry->EOR = 1;
2119        }
2120        return 0;
2121}
2122
2123static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2124        unsigned int prio, unsigned int entries)
2125{
2126        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2127        struct tx_desc *ring;
2128        dma_addr_t dma;
2129        int i;
2130
2131        ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2132        if (!ring || (unsigned long)ring & 0xFF) {
2133                RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
2134                         prio);
2135                return -ENOMEM;
2136        }
2137
2138        memset(ring, 0, sizeof(*ring)*entries);
2139        priv->tx_ring[prio].desc = ring;
2140        priv->tx_ring[prio].dma = dma;
2141        priv->tx_ring[prio].idx = 0;
2142        priv->tx_ring[prio].entries = entries;
2143        skb_queue_head_init(&priv->tx_ring[prio].queue);
2144
2145        for (i = 0; i < entries; i++)
2146                ring[i].NextDescAddress =
2147                        cpu_to_le32((u32)dma + ((i + 1) % entries) *
2148                        sizeof(*ring));
2149
2150        return 0;
2151}
2152
2153
2154short rtl8192_pci_initdescring(struct net_device *dev)
2155{
2156        u32 ret;
2157        int i;
2158        struct r8192_priv *priv = rtllib_priv(dev);
2159
2160        ret = rtl8192_alloc_rx_desc_ring(dev);
2161        if (ret)
2162                return ret;
2163
2164        for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2165                ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
2166                if (ret)
2167                        goto err_free_rings;
2168        }
2169
2170        return 0;
2171
2172err_free_rings:
2173        rtl8192_free_rx_ring(dev);
2174        for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2175                if (priv->tx_ring[i].desc)
2176                        rtl8192_free_tx_ring(dev, i);
2177        return 1;
2178}
2179
2180void rtl8192_pci_resetdescring(struct net_device *dev)
2181{
2182        struct r8192_priv *priv = rtllib_priv(dev);
2183        int i, rx_queue_idx;
2184        unsigned long flags = 0;
2185
2186        for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2187                if (priv->rx_ring[rx_queue_idx]) {
2188                        struct rx_desc *entry = NULL;
2189                        for (i = 0; i < priv->rxringcount; i++) {
2190                                entry = &priv->rx_ring[rx_queue_idx][i];
2191                                entry->OWN = 1;
2192                        }
2193                        priv->rx_idx[rx_queue_idx] = 0;
2194                }
2195        }
2196
2197        spin_lock_irqsave(&priv->irq_th_lock, flags);
2198        for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2199                if (priv->tx_ring[i].desc) {
2200                        struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2201
2202                        while (skb_queue_len(&ring->queue)) {
2203                                struct tx_desc *entry = &ring->desc[ring->idx];
2204                                struct sk_buff *skb =
2205                                                 __skb_dequeue(&ring->queue);
2206
2207                                pci_unmap_single(priv->pdev,
2208                                                 le32_to_cpu(entry->TxBuffAddr),
2209                                                 skb->len, PCI_DMA_TODEVICE);
2210                                kfree_skb(skb);
2211                                ring->idx = (ring->idx + 1) % ring->entries;
2212                        }
2213                        ring->idx = 0;
2214                }
2215        }
2216        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2217}
2218
2219void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
2220                                  struct rtllib_rx_stats *stats)
2221{
2222        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2223
2224        if (stats->bIsAMPDU && !stats->bFirstMPDU)
2225                stats->mac_time = priv->LastRxDescTSF;
2226        else
2227                priv->LastRxDescTSF = stats->mac_time;
2228}
2229
2230long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2231{
2232        long    signal_power;
2233
2234        signal_power = (long)((signal_strength_index + 1) >> 1);
2235        signal_power -= 95;
2236
2237        return signal_power;
2238}
2239
2240
2241void
2242rtl819x_update_rxsignalstatistics8190pci(
2243        struct r8192_priv *priv,
2244        struct rtllib_rx_stats *pprevious_stats
2245        )
2246{
2247        int weighting = 0;
2248
2249
2250        if (priv->stats.recv_signal_power == 0)
2251                priv->stats.recv_signal_power =
2252                                         pprevious_stats->RecvSignalPower;
2253
2254        if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2255                weighting = 5;
2256        else if (pprevious_stats->RecvSignalPower <
2257                 priv->stats.recv_signal_power)
2258                weighting = (-5);
2259        priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2260                                        pprevious_stats->RecvSignalPower +
2261                                        weighting) / 6;
2262}
2263
2264void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2265                                   struct rtllib_rx_stats *pprevious_stats)
2266{
2267}
2268
2269
2270u8 rtl819x_query_rxpwrpercentage(char antpower)
2271{
2272        if ((antpower <= -100) || (antpower >= 20))
2273                return  0;
2274        else if (antpower >= 0)
2275                return  100;
2276        else
2277                return  100 + antpower;
2278
2279}       /* QueryRxPwrPercentage */
2280
2281u8
2282rtl819x_evm_dbtopercentage(
2283        char value
2284        )
2285{
2286        char ret_val;
2287
2288        ret_val = value;
2289
2290        if (ret_val >= 0)
2291                ret_val = 0;
2292        if (ret_val <= -33)
2293                ret_val = -33;
2294        ret_val = 0 - ret_val;
2295        ret_val *= 3;
2296        if (ret_val == 99)
2297                ret_val = 100;
2298        return ret_val;
2299}
2300
2301void
2302rtl8192_record_rxdesc_forlateruse(
2303        struct rtllib_rx_stats *psrc_stats,
2304        struct rtllib_rx_stats *ptarget_stats
2305)
2306{
2307        ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2308        ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2309}
2310
2311
2312
2313static void rtl8192_rx_normal(struct net_device *dev)
2314{
2315        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2316        struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2317        bool unicast_packet = false;
2318        bool bLedBlinking = true;
2319        u16 fc = 0, type = 0;
2320        u32 skb_len = 0;
2321        int rx_queue_idx = RX_MPDU_QUEUE;
2322
2323        struct rtllib_rx_stats stats = {
2324                .signal = 0,
2325                .noise = -98,
2326                .rate = 0,
2327                .freq = RTLLIB_24GHZ_BAND,
2328        };
2329        unsigned int count = priv->rxringcount;
2330
2331        stats.nic_type = NIC_8192E;
2332
2333        while (count--) {
2334                struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2335                                        [priv->rx_idx[rx_queue_idx]];
2336                struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2337                                      [priv->rx_idx[rx_queue_idx]];
2338
2339                if (pdesc->OWN) {
2340                        return;
2341                } else {
2342                        struct sk_buff *new_skb;
2343
2344                        if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2345                        pdesc, skb))
2346                                goto done;
2347                        new_skb = dev_alloc_skb(priv->rxbuffersize);
2348                        /* if allocation of new skb failed - drop current packet
2349                        * and reuse skb */
2350                        if (unlikely(!new_skb))
2351                                goto done;
2352
2353                        pci_unmap_single(priv->pdev,
2354                                        *((dma_addr_t *)skb->cb),
2355                                        priv->rxbuffersize,
2356                                        PCI_DMA_FROMDEVICE);
2357
2358                        skb_put(skb, pdesc->Length);
2359                        skb_reserve(skb, stats.RxDrvInfoSize +
2360                                stats.RxBufShift);
2361                        skb_trim(skb, skb->len - 4/*sCrcLng*/);
2362                        rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2363                        if (!is_multicast_ether_addr(rtllib_hdr->addr1)) {
2364                                /* unicast packet */
2365                                unicast_packet = true;
2366                        }
2367                        fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2368                        type = WLAN_FC_GET_TYPE(fc);
2369                        if (type == RTLLIB_FTYPE_MGMT)
2370                                bLedBlinking = false;
2371
2372                        if (bLedBlinking)
2373                                if (priv->rtllib->LedControlHandler)
2374                                        priv->rtllib->LedControlHandler(dev,
2375                                                                LED_CTL_RX);
2376
2377                        if (stats.bCRC) {
2378                                if (type != RTLLIB_FTYPE_MGMT)
2379                                        priv->stats.rxdatacrcerr++;
2380                                else
2381                                        priv->stats.rxmgmtcrcerr++;
2382                        }
2383
2384                        skb_len = skb->len;
2385
2386                        if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2387                                dev_kfree_skb_any(skb);
2388                        } else {
2389                                priv->stats.rxok++;
2390                                if (unicast_packet)
2391                                        priv->stats.rxbytesunicast += skb_len;
2392                        }
2393
2394                        skb = new_skb;
2395                        skb->dev = dev;
2396
2397                        priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2398                                                                         skb;
2399                        *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2400                                                    skb_tail_pointer_rsl(skb),
2401                                                    priv->rxbuffersize,
2402                                                    PCI_DMA_FROMDEVICE);
2403                        if (pci_dma_mapping_error(priv->pdev,
2404                                                  *((dma_addr_t *)skb->cb))) {
2405                                dev_kfree_skb_any(skb);
2406                                return;
2407                        }
2408                }
2409done:
2410                pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2411                pdesc->OWN = 1;
2412                pdesc->Length = priv->rxbuffersize;
2413                if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2414                        pdesc->EOR = 1;
2415                priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2416                                              priv->rxringcount;
2417        }
2418
2419}
2420
2421static void rtl8192_rx_cmd(struct net_device *dev)
2422{
2423}
2424
2425
2426static void rtl8192_tx_resume(struct net_device *dev)
2427{
2428        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2429        struct rtllib_device *ieee = priv->rtllib;
2430        struct sk_buff *skb;
2431        int queue_index;
2432
2433        for (queue_index = BK_QUEUE;
2434             queue_index < MAX_QUEUE_SIZE; queue_index++) {
2435                while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2436                (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2437                        skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2438                        ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2439                }
2440        }
2441}
2442
2443void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2444{
2445        rtl8192_tx_resume(priv->rtllib->dev);
2446}
2447
2448void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2449{
2450        rtl8192_rx_normal(priv->rtllib->dev);
2451
2452        if (MAX_RX_QUEUE > 1)
2453                rtl8192_rx_cmd(priv->rtllib->dev);
2454
2455        write_nic_dword(priv->rtllib->dev, INTA_MASK,
2456                        read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2457}
2458
2459/****************************************************************************
2460 ---------------------------- NIC START/CLOSE STUFF---------------------------
2461*****************************************************************************/
2462void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2463{
2464        cancel_delayed_work(&priv->watch_dog_wq);
2465        cancel_delayed_work(&priv->update_beacon_wq);
2466        cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2467        cancel_work_sync(&priv->reset_wq);
2468        cancel_work_sync(&priv->qos_activate);
2469}
2470
2471int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2472{
2473        if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2474                return -1;
2475        return 0;
2476}
2477
2478
2479static int rtl8192_open(struct net_device *dev)
2480{
2481        struct r8192_priv *priv = rtllib_priv(dev);
2482        int ret;
2483
2484        down(&priv->wx_sem);
2485        ret = rtl8192_up(dev);
2486        up(&priv->wx_sem);
2487        return ret;
2488
2489}
2490
2491
2492int rtl8192_up(struct net_device *dev)
2493{
2494        struct r8192_priv *priv = rtllib_priv(dev);
2495
2496        if (priv->up == 1)
2497                return -1;
2498        return _rtl8192_up(dev, false);
2499}
2500
2501
2502static int rtl8192_close(struct net_device *dev)
2503{
2504        struct r8192_priv *priv = rtllib_priv(dev);
2505        int ret;
2506
2507        if ((rtllib_act_scanning(priv->rtllib, false)) &&
2508                !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2509                rtllib_stop_scan(priv->rtllib);
2510        }
2511
2512        down(&priv->wx_sem);
2513
2514        ret = rtl8192_down(dev, true);
2515
2516        up(&priv->wx_sem);
2517
2518        return ret;
2519
2520}
2521
2522int rtl8192_down(struct net_device *dev, bool shutdownrf)
2523{
2524        if (rtl8192_sta_down(dev, shutdownrf) == -1)
2525                return -1;
2526
2527        return 0;
2528}
2529
2530void rtl8192_commit(struct net_device *dev)
2531{
2532        struct r8192_priv *priv = rtllib_priv(dev);
2533
2534        if (priv->up == 0)
2535                return;
2536        rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2537        rtl8192_irq_disable(dev);
2538        priv->ops->stop_adapter(dev, true);
2539        _rtl8192_up(dev, false);
2540}
2541
2542void rtl8192_restart(void *data)
2543{
2544        struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2545                                  reset_wq);
2546        struct net_device *dev = priv->rtllib->dev;
2547
2548        down(&priv->wx_sem);
2549
2550        rtl8192_commit(dev);
2551
2552        up(&priv->wx_sem);
2553}
2554
2555static void r8192_set_multicast(struct net_device *dev)
2556{
2557        struct r8192_priv *priv = rtllib_priv(dev);
2558        short promisc;
2559
2560        promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2561        priv->promisc = promisc;
2562
2563}
2564
2565
2566static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2567{
2568        struct r8192_priv *priv = rtllib_priv(dev);
2569        struct sockaddr *addr = mac;
2570
2571        down(&priv->wx_sem);
2572
2573        memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2574
2575        schedule_work(&priv->reset_wq);
2576        up(&priv->wx_sem);
2577
2578        return 0;
2579}
2580
2581/* based on ipw2200 driver */
2582static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2583{
2584        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2585        struct iwreq *wrq = (struct iwreq *)rq;
2586        int ret = -1;
2587        struct rtllib_device *ieee = priv->rtllib;
2588        u32 key[4];
2589        u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2590        u8 zero_addr[6] = {0};
2591        struct iw_point *p = &wrq->u.data;
2592        struct ieee_param *ipw = NULL;
2593
2594        down(&priv->wx_sem);
2595
2596        switch (cmd) {
2597        case RTL_IOCTL_WPA_SUPPLICANT:
2598                if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2599                        ret = -EINVAL;
2600                        goto out;
2601                }
2602
2603                ipw = kmalloc(p->length, GFP_KERNEL);
2604                if (ipw == NULL) {
2605                        ret = -ENOMEM;
2606                        goto out;
2607                }
2608                if (copy_from_user(ipw, p->pointer, p->length)) {
2609                        kfree(ipw);
2610                        ret = -EFAULT;
2611                        goto out;
2612                }
2613
2614                if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2615                        if (ipw->u.crypt.set_tx) {
2616                                if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2617                                        ieee->pairwise_key_type = KEY_TYPE_CCMP;
2618                                else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2619                                        ieee->pairwise_key_type = KEY_TYPE_TKIP;
2620                                else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2621                                        if (ipw->u.crypt.key_len == 13)
2622                                                ieee->pairwise_key_type =
2623                                                         KEY_TYPE_WEP104;
2624                                        else if (ipw->u.crypt.key_len == 5)
2625                                                ieee->pairwise_key_type =
2626                                                         KEY_TYPE_WEP40;
2627                                } else {
2628                                        ieee->pairwise_key_type = KEY_TYPE_NA;
2629                                }
2630
2631                                if (ieee->pairwise_key_type) {
2632                                        if (memcmp(ieee->ap_mac_addr, zero_addr,
2633                                            6) == 0)
2634                                                ieee->iw_mode = IW_MODE_ADHOC;
2635                                        memcpy((u8 *)key, ipw->u.crypt.key, 16);
2636                                        EnableHWSecurityConfig8192(dev);
2637                                        set_swcam(dev, 4, ipw->u.crypt.idx,
2638                                                  ieee->pairwise_key_type,
2639                                                  (u8 *)ieee->ap_mac_addr,
2640                                                  0, key, 0);
2641                                        setKey(dev, 4, ipw->u.crypt.idx,
2642                                               ieee->pairwise_key_type,
2643                                               (u8 *)ieee->ap_mac_addr, 0, key);
2644                                        if (ieee->iw_mode == IW_MODE_ADHOC) {
2645                                                set_swcam(dev, ipw->u.crypt.idx,
2646                                                        ipw->u.crypt.idx,
2647                                                        ieee->pairwise_key_type,
2648                                                        (u8 *)ieee->ap_mac_addr,
2649                                                        0, key, 0);
2650                                                setKey(dev, ipw->u.crypt.idx,
2651                                                       ipw->u.crypt.idx,
2652                                                       ieee->pairwise_key_type,
2653                                                       (u8 *)ieee->ap_mac_addr,
2654                                                       0, key);
2655                                        }
2656                                }
2657                                if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2658                                     && ieee->pHTInfo->bCurrentHTSupport) {
2659                                        write_nic_byte(dev, 0x173, 1);
2660                                }
2661
2662                        } else {
2663                                memcpy((u8 *)key, ipw->u.crypt.key, 16);
2664                                if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2665                                        ieee->group_key_type = KEY_TYPE_CCMP;
2666                                else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2667                                        ieee->group_key_type = KEY_TYPE_TKIP;
2668                                else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2669                                        if (ipw->u.crypt.key_len == 13)
2670                                                ieee->group_key_type =
2671                                                         KEY_TYPE_WEP104;
2672                                        else if (ipw->u.crypt.key_len == 5)
2673                                                ieee->group_key_type =
2674                                                         KEY_TYPE_WEP40;
2675                                } else
2676                                        ieee->group_key_type = KEY_TYPE_NA;
2677
2678                                if (ieee->group_key_type) {
2679                                        set_swcam(dev, ipw->u.crypt.idx,
2680                                                  ipw->u.crypt.idx,
2681                                                  ieee->group_key_type,
2682                                                  broadcast_addr, 0, key, 0);
2683                                        setKey(dev, ipw->u.crypt.idx,
2684                                               ipw->u.crypt.idx,
2685                                               ieee->group_key_type,
2686                                               broadcast_addr, 0, key);
2687                                }
2688                        }
2689                }
2690
2691                ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2692                                                  0);
2693                kfree(ipw);
2694                break;
2695        default:
2696                ret = -EOPNOTSUPP;
2697                break;
2698        }
2699
2700out:
2701        up(&priv->wx_sem);
2702
2703        return ret;
2704}
2705
2706
2707irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2708{
2709        struct net_device *dev = (struct net_device *) netdev;
2710        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2711        unsigned long flags;
2712        u32 inta;
2713        u32 intb;
2714        intb = 0;
2715
2716        if (priv->irq_enabled == 0)
2717                goto done;
2718
2719        spin_lock_irqsave(&priv->irq_th_lock, flags);
2720
2721        priv->ops->interrupt_recognized(dev, &inta, &intb);
2722        priv->stats.shints++;
2723
2724        if (!inta) {
2725                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2726                goto done;
2727        }
2728
2729        if (inta == 0xffff) {
2730                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2731                goto done;
2732        }
2733
2734        priv->stats.ints++;
2735
2736        if (!netif_running(dev)) {
2737                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2738                goto done;
2739        }
2740
2741        if (inta & IMR_TBDOK) {
2742                RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2743                priv->stats.txbeaconokint++;
2744        }
2745
2746        if (inta & IMR_TBDER) {
2747                RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2748                priv->stats.txbeaconerr++;
2749        }
2750
2751        if (inta & IMR_BDOK)
2752                RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2753
2754        if (inta  & IMR_MGNTDOK) {
2755                RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2756                priv->stats.txmanageokint++;
2757                rtl8192_tx_isr(dev, MGNT_QUEUE);
2758                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2759                if (priv->rtllib->ack_tx_to_ieee) {
2760                        if (rtl8192_is_tx_queue_empty(dev)) {
2761                                priv->rtllib->ack_tx_to_ieee = 0;
2762                                rtllib_ps_tx_ack(priv->rtllib, 1);
2763                        }
2764                }
2765                spin_lock_irqsave(&priv->irq_th_lock, flags);
2766        }
2767
2768        if (inta & IMR_COMDOK) {
2769                priv->stats.txcmdpktokint++;
2770                rtl8192_tx_isr(dev, TXCMD_QUEUE);
2771        }
2772
2773        if (inta & IMR_HIGHDOK)
2774                rtl8192_tx_isr(dev, HIGH_QUEUE);
2775
2776        if (inta & IMR_ROK) {
2777                priv->stats.rxint++;
2778                priv->InterruptLog.nIMR_ROK++;
2779                tasklet_schedule(&priv->irq_rx_tasklet);
2780        }
2781
2782        if (inta & IMR_BcnInt) {
2783                RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2784                tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2785        }
2786
2787        if (inta & IMR_RDU) {
2788                RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2789                priv->stats.rxrdu++;
2790                write_nic_dword(dev, INTA_MASK,
2791                                read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2792                tasklet_schedule(&priv->irq_rx_tasklet);
2793        }
2794
2795        if (inta & IMR_RXFOVW) {
2796                RT_TRACE(COMP_INTR, "rx overflow !\n");
2797                priv->stats.rxoverflow++;
2798                tasklet_schedule(&priv->irq_rx_tasklet);
2799        }
2800
2801        if (inta & IMR_TXFOVW)
2802                priv->stats.txoverflow++;
2803
2804        if (inta & IMR_BKDOK) {
2805                RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2806                priv->stats.txbkokint++;
2807                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2808                rtl8192_tx_isr(dev, BK_QUEUE);
2809        }
2810
2811        if (inta & IMR_BEDOK) {
2812                RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2813                priv->stats.txbeokint++;
2814                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2815                rtl8192_tx_isr(dev, BE_QUEUE);
2816        }
2817
2818        if (inta & IMR_VIDOK) {
2819                RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2820                priv->stats.txviokint++;
2821                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2822                rtl8192_tx_isr(dev, VI_QUEUE);
2823        }
2824
2825        if (inta & IMR_VODOK) {
2826                priv->stats.txvookint++;
2827                RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2828                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2829                rtl8192_tx_isr(dev, VO_QUEUE);
2830        }
2831
2832        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2833
2834done:
2835
2836        return IRQ_HANDLED;
2837}
2838
2839
2840
2841/****************************************************************************
2842        ---------------------------- PCI_STUFF---------------------------
2843*****************************************************************************/
2844static const struct net_device_ops rtl8192_netdev_ops = {
2845        .ndo_open = rtl8192_open,
2846        .ndo_stop = rtl8192_close,
2847        .ndo_tx_timeout = rtl8192_tx_timeout,
2848        .ndo_do_ioctl = rtl8192_ioctl,
2849        .ndo_set_rx_mode = r8192_set_multicast,
2850        .ndo_set_mac_address = r8192_set_mac_adr,
2851        .ndo_validate_addr = eth_validate_addr,
2852        .ndo_change_mtu = eth_change_mtu,
2853        .ndo_start_xmit = rtllib_xmit,
2854};
2855
2856static int rtl8192_pci_probe(struct pci_dev *pdev,
2857                        const struct pci_device_id *id)
2858{
2859        unsigned long ioaddr = 0;
2860        struct net_device *dev = NULL;
2861        struct r8192_priv *priv = NULL;
2862        struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2863        unsigned long pmem_start, pmem_len, pmem_flags;
2864        int err = -ENOMEM;
2865        bool bdma64 = false;
2866        u8 revision_id;
2867
2868        RT_TRACE(COMP_INIT, "Configuring chip resources");
2869
2870        if (pci_enable_device(pdev)) {
2871                RT_TRACE(COMP_ERR, "Failed to enable PCI device");
2872                return -EIO;
2873        }
2874
2875        pci_set_master(pdev);
2876
2877        if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2878                if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2879                        printk(KERN_INFO "Unable to obtain 32bit DMA for consistent allocations\n");
2880                        goto err_pci_disable;
2881                }
2882        }
2883        dev = alloc_rtllib(sizeof(struct r8192_priv));
2884        if (!dev)
2885                goto err_pci_disable;
2886
2887        err = -ENODEV;
2888        if (bdma64)
2889                dev->features |= NETIF_F_HIGHDMA;
2890
2891        pci_set_drvdata(pdev, dev);
2892        SET_NETDEV_DEV(dev, &pdev->dev);
2893        priv = rtllib_priv(dev);
2894        priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2895        priv->pdev = pdev;
2896        priv->rtllib->pdev = pdev;
2897        if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2898            (pdev->subsystem_device == 0x3304))
2899                priv->rtllib->bSupportRemoteWakeUp = 1;
2900        else
2901                priv->rtllib->bSupportRemoteWakeUp = 0;
2902
2903        pmem_start = pci_resource_start(pdev, 1);
2904        pmem_len = pci_resource_len(pdev, 1);
2905        pmem_flags = pci_resource_flags(pdev, 1);
2906
2907        if (!(pmem_flags & IORESOURCE_MEM)) {
2908                RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting");
2909                goto err_rel_rtllib;
2910        }
2911
2912        printk(KERN_INFO "Memory mapped space start: 0x%08lx\n", pmem_start);
2913        if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2914                RT_TRACE(COMP_ERR, "request_mem_region failed!");
2915                goto err_rel_rtllib;
2916        }
2917
2918
2919        ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2920        if (ioaddr == (unsigned long)NULL) {
2921                RT_TRACE(COMP_ERR, "ioremap failed!");
2922                goto err_rel_mem;
2923        }
2924
2925        dev->mem_start = ioaddr;
2926        dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2927
2928        pci_read_config_byte(pdev, 0x08, &revision_id);
2929        /* If the revisionid is 0x10, the device uses rtl8192se. */
2930        if (pdev->device == 0x8192 && revision_id == 0x10)
2931                goto err_rel_mem;
2932
2933        priv->ops = ops;
2934
2935        if (rtl8192_pci_findadapter(pdev, dev) == false)
2936                goto err_rel_mem;
2937
2938        dev->irq = pdev->irq;
2939        priv->irq = 0;
2940
2941        dev->netdev_ops = &rtl8192_netdev_ops;
2942
2943        dev->wireless_handlers = (struct iw_handler_def *)
2944                                 &r8192_wx_handlers_def;
2945        dev->ethtool_ops = &rtl819x_ethtool_ops;
2946
2947        dev->type = ARPHRD_ETHER;
2948        dev->watchdog_timeo = HZ * 3;
2949
2950        if (dev_alloc_name(dev, ifname) < 0) {
2951                RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying "
2952                         "wlan%%d...\n");
2953                        dev_alloc_name(dev, ifname);
2954        }
2955
2956        RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2957        if (rtl8192_init(dev) != 0) {
2958                RT_TRACE(COMP_ERR, "Initialization failed");
2959                goto err_free_irq;
2960        }
2961
2962        netif_carrier_off(dev);
2963        netif_stop_queue(dev);
2964
2965        if (register_netdev(dev))
2966                goto err_free_irq;
2967        RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2968
2969        if (priv->polling_timer_on == 0)
2970                check_rfctrl_gpio_timer((unsigned long)dev);
2971
2972        RT_TRACE(COMP_INIT, "Driver probe completed\n");
2973        return 0;
2974
2975err_free_irq:
2976        free_irq(dev->irq, dev);
2977        priv->irq = 0;
2978err_rel_mem:
2979        release_mem_region(pmem_start, pmem_len);
2980err_rel_rtllib:
2981        free_rtllib(dev);
2982
2983        DMESG("wlan driver load failed\n");
2984        pci_set_drvdata(pdev, NULL);
2985err_pci_disable:
2986        pci_disable_device(pdev);
2987        return err;
2988}
2989
2990static void rtl8192_pci_disconnect(struct pci_dev *pdev)
2991{
2992        struct net_device *dev = pci_get_drvdata(pdev);
2993        struct r8192_priv *priv ;
2994        u32 i;
2995
2996        if (dev) {
2997                unregister_netdev(dev);
2998
2999                priv = rtllib_priv(dev);
3000
3001                del_timer_sync(&priv->gpio_polling_timer);
3002                cancel_delayed_work(&priv->gpio_change_rf_wq);
3003                priv->polling_timer_on = 0;
3004                rtl8192_down(dev, true);
3005                deinit_hal_dm(dev);
3006                if (priv->pFirmware) {
3007                        vfree(priv->pFirmware);
3008                        priv->pFirmware = NULL;
3009                }
3010                destroy_workqueue(priv->priv_wq);
3011                rtl8192_free_rx_ring(dev);
3012                for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
3013                        rtl8192_free_tx_ring(dev, i);
3014
3015                if (priv->irq) {
3016                        printk(KERN_INFO "Freeing irq %d\n", dev->irq);
3017                        free_irq(dev->irq, dev);
3018                        priv->irq = 0;
3019                }
3020                free_rtllib(dev);
3021
3022                kfree(priv->scan_cmd);
3023
3024                if (dev->mem_start != 0) {
3025                        iounmap((void __iomem *)dev->mem_start);
3026                        release_mem_region(pci_resource_start(pdev, 1),
3027                                        pci_resource_len(pdev, 1));
3028                }
3029        } else {
3030                priv = rtllib_priv(dev);
3031        }
3032
3033        pci_disable_device(pdev);
3034        RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3035}
3036
3037bool NicIFEnableNIC(struct net_device *dev)
3038{
3039        bool init_status = true;
3040        struct r8192_priv *priv = rtllib_priv(dev);
3041        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3042                                        (&(priv->rtllib->PowerSaveControl));
3043
3044        if (IS_NIC_DOWN(priv)) {
3045                RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3046                         __func__);
3047                priv->bdisable_nic = false;
3048                return RT_STATUS_FAILURE;
3049        }
3050
3051        RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3052        priv->bfirst_init = true;
3053        init_status = priv->ops->initialize_adapter(dev);
3054        if (init_status != true) {
3055                RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3056                         __func__);
3057                priv->bdisable_nic = false;
3058                return -1;
3059        }
3060        RT_TRACE(COMP_INIT, "start adapter finished\n");
3061        RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3062        priv->bfirst_init = false;
3063
3064        rtl8192_irq_enable(dev);
3065        priv->bdisable_nic = false;
3066        RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3067        return init_status;
3068}
3069bool NicIFDisableNIC(struct net_device *dev)
3070{
3071        bool    status = true;
3072        struct r8192_priv *priv = rtllib_priv(dev);
3073        u8 tmp_state = 0;
3074        RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3075        priv->bdisable_nic = true;
3076        tmp_state = priv->rtllib->state;
3077        rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3078        priv->rtllib->state = tmp_state;
3079        rtl8192_cancel_deferred_work(priv);
3080        rtl8192_irq_disable(dev);
3081
3082        priv->ops->stop_adapter(dev, false);
3083        RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3084
3085        return status;
3086}
3087
3088static int __init rtl8192_pci_module_init(void)
3089{
3090        printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3091        printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3092
3093        if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3094                DMESG("No device found");
3095                /*pci_unregister_driver (&rtl8192_pci_driver);*/
3096                return -ENODEV;
3097        }
3098        return 0;
3099}
3100
3101static void __exit rtl8192_pci_module_exit(void)
3102{
3103        pci_unregister_driver(&rtl8192_pci_driver);
3104
3105        RT_TRACE(COMP_DOWN, "Exiting");
3106}
3107
3108void check_rfctrl_gpio_timer(unsigned long data)
3109{
3110        struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3111
3112        priv->polling_timer_on = 1;
3113
3114        queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3115
3116        mod_timer(&priv->gpio_polling_timer, jiffies +
3117                  MSECS(RTLLIB_WATCH_DOG_TIME));
3118}
3119
3120/***************************************************************************
3121        ------------------- module init / exit stubs ----------------
3122****************************************************************************/
3123module_init(rtl8192_pci_module_init);
3124module_exit(rtl8192_pci_module_exit);
3125
3126MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3127MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3128MODULE_VERSION(DRV_VERSION);
3129MODULE_LICENSE("GPL");
3130MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW);
3131MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW);
3132MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW);
3133
3134module_param(ifname, charp, S_IRUGO|S_IWUSR);
3135module_param(hwwep, int, S_IRUGO|S_IWUSR);
3136module_param(channels, int, S_IRUGO|S_IWUSR);
3137
3138MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3139MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3140MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
3141