linux/drivers/staging/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#ifdef CONFIG_PM_RTL
  57#include "rtl_pm.h"
  58#endif
  59
  60int hwwep = 1;
  61static int channels = 0x3fff;
  62static char *ifname = "wlan%d";
  63
  64
  65static struct rtl819x_ops rtl819xp_ops = {
  66        .nic_type                       = NIC_8192E,
  67        .get_eeprom_size                = rtl8192_get_eeprom_size,
  68        .init_adapter_variable          = rtl8192_InitializeVariables,
  69        .initialize_adapter             = rtl8192_adapter_start,
  70        .link_change                    = rtl8192_link_change,
  71        .tx_fill_descriptor             = rtl8192_tx_fill_desc,
  72        .tx_fill_cmd_descriptor         = rtl8192_tx_fill_cmd_desc,
  73        .rx_query_status_descriptor     = rtl8192_rx_query_status_desc,
  74        .rx_command_packet_handler = NULL,
  75        .stop_adapter                   = rtl8192_halt_adapter,
  76        .update_ratr_table              = rtl8192_update_ratr_table,
  77        .irq_enable                     = rtl8192_EnableInterrupt,
  78        .irq_disable                    = rtl8192_DisableInterrupt,
  79        .irq_clear                      = rtl8192_ClearInterrupt,
  80        .rx_enable                      = rtl8192_enable_rx,
  81        .tx_enable                      = rtl8192_enable_tx,
  82        .interrupt_recognized           = rtl8192_interrupt_recognized,
  83        .TxCheckStuckHandler            = rtl8192_HalTxCheckStuck,
  84        .RxCheckStuckHandler            = rtl8192_HalRxCheckStuck,
  85};
  86
  87static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
  88        {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
  89        {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
  90        {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
  91        {}
  92};
  93
  94MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
  95
  96static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
  97                        const struct pci_device_id *id);
  98static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
  99
 100static struct pci_driver rtl8192_pci_driver = {
 101        .name = DRV_NAME,       /* Driver name   */
 102        .id_table = rtl8192_pci_id_tbl, /* PCI_ID table  */
 103        .probe  = rtl8192_pci_probe,    /* probe fn      */
 104        .remove  = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
 105        .suspend = rtl8192E_suspend,    /* PM suspend fn */
 106        .resume = rtl8192E_resume,                 /* PM resume fn  */
 107};
 108
 109/****************************************************************************
 110   -----------------------------IO STUFF-------------------------
 111*****************************************************************************/
 112static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
 113{
 114        bool            bReturn = false;
 115
 116        *pu1bPageMask = 0xfe;
 117
 118        switch (u4bPage) {
 119        case 1: case 2: case 3: case 4:
 120        case 8: case 9: case 10: case 12: case 13:
 121                bReturn = true;
 122                *pu1bPageMask = 0xf0;
 123                break;
 124
 125        default:
 126                bReturn = false;
 127                break;
 128        }
 129
 130        return bReturn;
 131}
 132
 133void write_nic_io_byte(struct net_device *dev, int x, u8 y)
 134{
 135        u32 u4bPage = (x >> 8);
 136        u8 u1PageMask = 0;
 137        bool    bIsLegalPage = false;
 138
 139        if (u4bPage == 0) {
 140                outb(y&0xff, dev->base_addr + x);
 141
 142        } else {
 143                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 144                               &u1PageMask);
 145                if (bIsLegalPage) {
 146                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 147
 148                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 149                                          (u8)u4bPage));
 150                        write_nic_io_byte(dev, (x & 0xff), y);
 151                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 152                }
 153        }
 154}
 155
 156void write_nic_io_word(struct net_device *dev, int x, u16 y)
 157{
 158        u32 u4bPage = (x >> 8);
 159        u8 u1PageMask = 0;
 160        bool    bIsLegalPage = false;
 161
 162        if (u4bPage == 0) {
 163                outw(y, dev->base_addr + x);
 164        } else {
 165                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 166                                                         &u1PageMask);
 167                if (bIsLegalPage) {
 168                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 169
 170                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 171                                          (u8)u4bPage));
 172                        write_nic_io_word(dev, (x & 0xff), y);
 173                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 174
 175                }
 176        }
 177}
 178
 179void write_nic_io_dword(struct net_device *dev, int x, u32 y)
 180{
 181        u32 u4bPage = (x >> 8);
 182        u8 u1PageMask = 0;
 183        bool    bIsLegalPage = false;
 184
 185        if (u4bPage == 0) {
 186                outl(y, dev->base_addr + x);
 187        } else {
 188                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 189                                                 &u1PageMask);
 190                if (bIsLegalPage) {
 191                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 192
 193                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 194                                          (u8)u4bPage));
 195                        write_nic_io_dword(dev, (x & 0xff), y);
 196                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 197                }
 198        }
 199}
 200
 201u8 read_nic_io_byte(struct net_device *dev, int x)
 202{
 203        u32 u4bPage = (x >> 8);
 204        u8 u1PageMask = 0;
 205        bool    bIsLegalPage = false;
 206        u8      Data = 0;
 207
 208        if (u4bPage == 0) {
 209                return 0xff&inb(dev->base_addr + x);
 210        } else {
 211                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 212                                                        &u1PageMask);
 213                if (bIsLegalPage) {
 214                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 215
 216                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 217                                          (u8)u4bPage));
 218                        Data = read_nic_io_byte(dev, (x & 0xff));
 219                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 220                }
 221        }
 222
 223        return Data;
 224}
 225
 226u16 read_nic_io_word(struct net_device *dev, int x)
 227{
 228        u32 u4bPage = (x >> 8);
 229        u8 u1PageMask = 0;
 230        bool    bIsLegalPage = false;
 231        u16     Data = 0;
 232
 233        if (u4bPage == 0) {
 234                return inw(dev->base_addr + x);
 235        } else {
 236                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 237                               &u1PageMask);
 238                if (bIsLegalPage) {
 239                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 240
 241                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 242                                          (u8)u4bPage));
 243                        Data = read_nic_io_word(dev, (x & 0xff));
 244                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 245
 246                }
 247        }
 248
 249        return Data;
 250}
 251
 252u32 read_nic_io_dword(struct net_device *dev, int x)
 253{
 254        u32 u4bPage = (x >> 8);
 255        u8 u1PageMask = 0;
 256        bool    bIsLegalPage = false;
 257        u32     Data = 0;
 258
 259        if (u4bPage == 0) {
 260                return inl(dev->base_addr + x);
 261        } else {
 262                bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 263                               &u1PageMask);
 264                if (bIsLegalPage) {
 265                        u8 u1bPsr = read_nic_io_byte(dev, PSR);
 266
 267                        write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 268                                          (u8)u4bPage));
 269                        Data = read_nic_io_dword(dev, (x & 0xff));
 270                        write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 271
 272                }
 273        }
 274
 275        return Data;
 276}
 277
 278u8 read_nic_byte(struct net_device *dev, int x)
 279{
 280        return 0xff & readb((u8 __iomem *)dev->mem_start + x);
 281}
 282
 283u32 read_nic_dword(struct net_device *dev, int x)
 284{
 285        return readl((u8 __iomem *)dev->mem_start + x);
 286}
 287
 288u16 read_nic_word(struct net_device *dev, int x)
 289{
 290        return readw((u8 __iomem *)dev->mem_start + x);
 291}
 292
 293void write_nic_byte(struct net_device *dev, int x, u8 y)
 294{
 295        writeb(y, (u8 __iomem *)dev->mem_start + x);
 296
 297        udelay(20);
 298}
 299
 300void write_nic_dword(struct net_device *dev, int x, u32 y)
 301{
 302        writel(y, (u8 __iomem *)dev->mem_start + x);
 303
 304        udelay(20);
 305}
 306
 307void write_nic_word(struct net_device *dev, int x, u16 y)
 308{
 309        writew(y, (u8 __iomem *)dev->mem_start + x);
 310
 311        udelay(20);
 312}
 313
 314/****************************************************************************
 315   -----------------------------GENERAL FUNCTION-------------------------
 316*****************************************************************************/
 317bool MgntActSet_RF_State(struct net_device *dev,
 318                         enum rt_rf_power_state StateToSet,
 319                         RT_RF_CHANGE_SOURCE ChangeSource,
 320                         bool   ProtectOrNot)
 321{
 322        struct r8192_priv *priv = rtllib_priv(dev);
 323        struct rtllib_device *ieee = priv->rtllib;
 324        bool                    bActionAllowed = false;
 325        bool                    bConnectBySSID = false;
 326        enum rt_rf_power_state rtState;
 327        u16                     RFWaitCounter = 0;
 328        unsigned long flag;
 329        RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): "
 330                 "StateToSet(%d)\n", StateToSet);
 331
 332        ProtectOrNot = false;
 333
 334
 335        if (!ProtectOrNot) {
 336                while (true) {
 337                        spin_lock_irqsave(&priv->rf_ps_lock, flag);
 338                        if (priv->RFChangeInProgress) {
 339                                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 340                                RT_TRACE((COMP_PS | COMP_RF),
 341                                         "MgntActSet_RF_State(): RF Change in "
 342                                         "progress! Wait to set..StateToSet"
 343                                         "(%d).\n", StateToSet);
 344
 345                                while (priv->RFChangeInProgress) {
 346                                        RFWaitCounter++;
 347                                        RT_TRACE((COMP_PS | COMP_RF),
 348                                                 "MgntActSet_RF_State(): Wait 1"
 349                                                 " ms (%d times)...\n",
 350                                                 RFWaitCounter);
 351                                        mdelay(1);
 352
 353                                        if (RFWaitCounter > 100) {
 354                                                RT_TRACE(COMP_ERR, "MgntActSet_"
 355                                                         "RF_State(): Wait too "
 356                                                         "logn to set RF\n");
 357                                                return false;
 358                                        }
 359                                }
 360                        } else {
 361                                priv->RFChangeInProgress = true;
 362                                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 363                                break;
 364                        }
 365                }
 366        }
 367
 368        rtState = priv->rtllib->eRFPowerState;
 369
 370        switch (StateToSet) {
 371        case eRfOn:
 372                priv->rtllib->RfOffReason &= (~ChangeSource);
 373
 374                if ((ChangeSource == RF_CHANGE_BY_HW) &&
 375                    (priv->bHwRadioOff == true))
 376                        priv->bHwRadioOff = false;
 377
 378                if (!priv->rtllib->RfOffReason) {
 379                        priv->rtllib->RfOffReason = 0;
 380                        bActionAllowed = true;
 381
 382
 383                        if (rtState == eRfOff &&
 384                            ChangeSource >= RF_CHANGE_BY_HW)
 385                                bConnectBySSID = true;
 386                } else {
 387                        RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - "
 388                                 "eRfon reject pMgntInfo->RfOffReason= 0x%x,"
 389                                 " ChangeSource=0x%X\n",
 390                                  priv->rtllib->RfOffReason, ChangeSource);
 391        }
 392
 393                break;
 394
 395        case eRfOff:
 396
 397                if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
 398                    (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
 399                        if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
 400                            (ChangeSource > RF_CHANGE_BY_IPS)) {
 401                                if (ieee->state == RTLLIB_LINKED)
 402                                        priv->blinked_ingpio = true;
 403                                else
 404                                        priv->blinked_ingpio = false;
 405                                rtllib_MgntDisconnect(priv->rtllib,
 406                                                      disas_lv_ss);
 407                        }
 408                }
 409                if ((ChangeSource == RF_CHANGE_BY_HW) &&
 410                     (priv->bHwRadioOff == false))
 411                        priv->bHwRadioOff = true;
 412                priv->rtllib->RfOffReason |= ChangeSource;
 413                bActionAllowed = true;
 414                break;
 415
 416        case eRfSleep:
 417                priv->rtllib->RfOffReason |= ChangeSource;
 418                bActionAllowed = true;
 419                break;
 420
 421        default:
 422                break;
 423        }
 424
 425        if (bActionAllowed) {
 426                RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is"
 427                         " allowed.... StateToSet(%d), RfOffReason(%#X)\n",
 428                         StateToSet, priv->rtllib->RfOffReason);
 429                PHY_SetRFPowerState(dev, StateToSet);
 430                if (StateToSet == eRfOn) {
 431
 432                        if (bConnectBySSID && (priv->blinked_ingpio == true)) {
 433                                queue_delayed_work_rsl(ieee->wq,
 434                                         &ieee->associate_procedure_wq, 0);
 435                                priv->blinked_ingpio = false;
 436                        }
 437                }
 438        } else {
 439                RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): "
 440                         "Action is rejected.... StateToSet(%d), ChangeSource"
 441                         "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource,
 442                         priv->rtllib->RfOffReason);
 443        }
 444
 445        if (!ProtectOrNot) {
 446                spin_lock_irqsave(&priv->rf_ps_lock, flag);
 447                priv->RFChangeInProgress = false;
 448                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 449        }
 450
 451        RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
 452        return bActionAllowed;
 453}
 454
 455
 456static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
 457{
 458        struct r8192_priv *priv = rtllib_priv(dev);
 459        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 460
 461        /* For now, we reserved two free descriptor as a safety boundary
 462        * between the tail and the head
 463        */
 464        if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
 465                RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d "
 466                         "queue_len=%d---------\n", prio, ring->idx,
 467                         skb_queue_len(&ring->queue));
 468        return skb_queue_len(&ring->queue);
 469}
 470
 471static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
 472{
 473        struct r8192_priv *priv = rtllib_priv(dev);
 474        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 475
 476        if (ring->entries - skb_queue_len(&ring->queue) >= 2)
 477                return 1;
 478        return 0;
 479}
 480
 481void rtl8192_tx_timeout(struct net_device *dev)
 482{
 483        struct r8192_priv *priv = rtllib_priv(dev);
 484
 485        schedule_work(&priv->reset_wq);
 486        printk(KERN_INFO "TXTIMEOUT");
 487}
 488
 489void rtl8192_irq_enable(struct net_device *dev)
 490{
 491        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 492        priv->irq_enabled = 1;
 493
 494        priv->ops->irq_enable(dev);
 495}
 496
 497void rtl8192_irq_disable(struct net_device *dev)
 498{
 499        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 500
 501        priv->ops->irq_disable(dev);
 502
 503        priv->irq_enabled = 0;
 504}
 505
 506void rtl8192_set_chan(struct net_device *dev, short ch)
 507{
 508        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 509
 510        RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 511        if (priv->chan_forced)
 512                return;
 513
 514        priv->chan = ch;
 515
 516        if (priv->rf_set_chan)
 517                priv->rf_set_chan(dev, priv->chan);
 518}
 519
 520void rtl8192_update_cap(struct net_device *dev, u16 cap)
 521{
 522        struct r8192_priv *priv = rtllib_priv(dev);
 523        struct rtllib_network *net = &priv->rtllib->current_network;
 524        bool            ShortPreamble;
 525
 526        if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
 527                if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
 528                        ShortPreamble = true;
 529                        priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
 530                        RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_"
 531                                 "PREAMBLE\n", __func__);
 532                        priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
 533                                        (unsigned char *)&ShortPreamble);
 534                }
 535        } else {
 536                if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
 537                        ShortPreamble = false;
 538                        priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
 539                        RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_"
 540                                 "PREAMBLE\n", __func__);
 541                        priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
 542                                              (unsigned char *)&ShortPreamble);
 543                }
 544        }
 545
 546        if (net->mode & (IEEE_G|IEEE_N_24G)) {
 547                u8      slot_time_val;
 548                u8      CurSlotTime = priv->slot_time;
 549
 550                if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
 551                   (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
 552                        if (CurSlotTime != SHORT_SLOT_TIME) {
 553                                slot_time_val = SHORT_SLOT_TIME;
 554                                priv->rtllib->SetHwRegHandler(dev,
 555                                         HW_VAR_SLOT_TIME, &slot_time_val);
 556                        }
 557                } else {
 558                        if (CurSlotTime != NON_SHORT_SLOT_TIME) {
 559                                slot_time_val = NON_SHORT_SLOT_TIME;
 560                                priv->rtllib->SetHwRegHandler(dev,
 561                                         HW_VAR_SLOT_TIME, &slot_time_val);
 562                        }
 563                }
 564        }
 565}
 566
 567static struct rtllib_qos_parameters def_qos_parameters = {
 568        {3, 3, 3, 3},
 569        {7, 7, 7, 7},
 570        {2, 2, 2, 2},
 571        {0, 0, 0, 0},
 572        {0, 0, 0, 0}
 573};
 574
 575static void rtl8192_update_beacon(void *data)
 576{
 577        struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
 578                                  update_beacon_wq.work);
 579        struct net_device *dev = priv->rtllib->dev;
 580        struct rtllib_device *ieee = priv->rtllib;
 581        struct rtllib_network *net = &ieee->current_network;
 582
 583        if (ieee->pHTInfo->bCurrentHTSupport)
 584                HTUpdateSelfAndPeerSetting(ieee, net);
 585        ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
 586                 net->bssht.bdRT2RTLongSlotTime;
 587        ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
 588        rtl8192_update_cap(dev, net->capability);
 589}
 590
 591int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
 592
 593static void rtl8192_qos_activate(void *data)
 594{
 595        struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
 596                                  qos_activate);
 597        struct net_device *dev = priv->rtllib->dev;
 598        int i;
 599
 600        mutex_lock(&priv->mutex);
 601        if (priv->rtllib->state != RTLLIB_LINKED)
 602                goto success;
 603        RT_TRACE(COMP_QOS, "qos active process with associate response "
 604                 "received\n");
 605
 606        for (i = 0; i <  QOS_QUEUE_NUM; i++) {
 607                priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
 608        }
 609
 610success:
 611        mutex_unlock(&priv->mutex);
 612}
 613
 614static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
 615                int active_network,
 616                struct rtllib_network *network)
 617{
 618        int ret = 0;
 619        u32 size = sizeof(struct rtllib_qos_parameters);
 620
 621        if (priv->rtllib->state != RTLLIB_LINKED)
 622                return ret;
 623
 624        if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
 625                return ret;
 626
 627        if (network->flags & NETWORK_HAS_QOS_MASK) {
 628                if (active_network &&
 629                                (network->flags & NETWORK_HAS_QOS_PARAMETERS))
 630                        network->qos_data.active = network->qos_data.supported;
 631
 632                if ((network->qos_data.active == 1) && (active_network == 1) &&
 633                                (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
 634                                (network->qos_data.old_param_count !=
 635                                network->qos_data.param_count)) {
 636                        network->qos_data.old_param_count =
 637                                network->qos_data.param_count;
 638        priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
 639                        queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 640                        RT_TRACE(COMP_QOS, "QoS parameters change call "
 641                                        "qos_activate\n");
 642                }
 643        } else {
 644                memcpy(&priv->rtllib->current_network.qos_data.parameters,
 645                       &def_qos_parameters, size);
 646
 647                if ((network->qos_data.active == 1) && (active_network == 1)) {
 648                        queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 649                        RT_TRACE(COMP_QOS, "QoS was disabled call qos_"
 650                                 "activate\n");
 651                }
 652                network->qos_data.active = 0;
 653                network->qos_data.supported = 0;
 654        }
 655
 656        return 0;
 657}
 658
 659static int rtl8192_handle_beacon(struct net_device *dev,
 660        struct rtllib_beacon *beacon,
 661        struct rtllib_network *network)
 662{
 663        struct r8192_priv *priv = rtllib_priv(dev);
 664
 665        rtl8192_qos_handle_probe_response(priv, 1, network);
 666
 667        queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
 668        return 0;
 669
 670}
 671
 672static int rtl8192_qos_association_resp(struct r8192_priv *priv,
 673        struct rtllib_network *network)
 674{
 675        int ret = 0;
 676        unsigned long flags;
 677        u32 size = sizeof(struct rtllib_qos_parameters);
 678        int set_qos_param = 0;
 679
 680        if ((priv == NULL) || (network == NULL))
 681                return ret;
 682
 683        if (priv->rtllib->state != RTLLIB_LINKED)
 684                return ret;
 685
 686        if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
 687                return ret;
 688
 689        spin_lock_irqsave(&priv->rtllib->lock, flags);
 690        if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
 691                memcpy(&priv->rtllib->current_network.qos_data.parameters,
 692                       &network->qos_data.parameters,
 693                       sizeof(struct rtllib_qos_parameters));
 694                priv->rtllib->current_network.qos_data.active = 1;
 695                priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
 696                set_qos_param = 1;
 697                priv->rtllib->current_network.qos_data.old_param_count =
 698                        priv->rtllib->current_network.qos_data.param_count;
 699                priv->rtllib->current_network.qos_data.param_count =
 700                        network->qos_data.param_count;
 701        } else {
 702                memcpy(&priv->rtllib->current_network.qos_data.parameters,
 703                &def_qos_parameters, size);
 704                priv->rtllib->current_network.qos_data.active = 0;
 705                priv->rtllib->current_network.qos_data.supported = 0;
 706                set_qos_param = 1;
 707        }
 708
 709        spin_unlock_irqrestore(&priv->rtllib->lock, flags);
 710
 711        RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
 712                 network->flags, priv->rtllib->current_network.qos_data.active);
 713        if (set_qos_param == 1) {
 714                dm_init_edca_turbo(priv->rtllib->dev);
 715                queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 716        }
 717        return ret;
 718}
 719
 720static int rtl8192_handle_assoc_response(struct net_device *dev,
 721                                 struct rtllib_assoc_response_frame *resp,
 722                                 struct rtllib_network *network)
 723{
 724        struct r8192_priv *priv = rtllib_priv(dev);
 725        rtl8192_qos_association_resp(priv, network);
 726        return 0;
 727}
 728
 729static void rtl8192_prepare_beacon(struct r8192_priv *priv)
 730{
 731        struct net_device *dev = priv->rtllib->dev;
 732        struct sk_buff *pskb = NULL, *pnewskb = NULL;
 733        struct cb_desc *tcb_desc = NULL;
 734        struct rtl8192_tx_ring *ring = NULL;
 735        struct tx_desc *pdesc = NULL;
 736
 737        ring = &priv->tx_ring[BEACON_QUEUE];
 738        pskb = __skb_dequeue(&ring->queue);
 739        if (pskb)
 740                kfree_skb(pskb);
 741
 742        pnewskb = rtllib_get_beacon(priv->rtllib);
 743        if (!pnewskb)
 744                return;
 745
 746        tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
 747        tcb_desc->queue_index = BEACON_QUEUE;
 748        tcb_desc->data_rate = 2;
 749        tcb_desc->RATRIndex = 7;
 750        tcb_desc->bTxDisableRateFallBack = 1;
 751        tcb_desc->bTxUseDriverAssingedRate = 1;
 752        skb_push(pnewskb, priv->rtllib->tx_headroom);
 753
 754        pdesc = &ring->desc[0];
 755        priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
 756        __skb_queue_tail(&ring->queue, pnewskb);
 757        pdesc->OWN = 1;
 758
 759        return;
 760}
 761
 762static void rtl8192_stop_beacon(struct net_device *dev)
 763{
 764}
 765
 766void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
 767{
 768        struct r8192_priv *priv = rtllib_priv(dev);
 769        struct rtllib_network *net;
 770        u8 i = 0, basic_rate = 0;
 771        net = &priv->rtllib->current_network;
 772
 773        for (i = 0; i < net->rates_len; i++) {
 774                basic_rate = net->rates[i] & 0x7f;
 775                switch (basic_rate) {
 776                case MGN_1M:
 777                        *rate_config |= RRSR_1M;
 778                        break;
 779                case MGN_2M:
 780                        *rate_config |= RRSR_2M;
 781                        break;
 782                case MGN_5_5M:
 783                        *rate_config |= RRSR_5_5M;
 784                        break;
 785                case MGN_11M:
 786                        *rate_config |= RRSR_11M;
 787                        break;
 788                case MGN_6M:
 789                        *rate_config |= RRSR_6M;
 790                        break;
 791                case MGN_9M:
 792                        *rate_config |= RRSR_9M;
 793                        break;
 794                case MGN_12M:
 795                        *rate_config |= RRSR_12M;
 796                        break;
 797                case MGN_18M:
 798                        *rate_config |= RRSR_18M;
 799                        break;
 800                case MGN_24M:
 801                        *rate_config |= RRSR_24M;
 802                        break;
 803                case MGN_36M:
 804                        *rate_config |= RRSR_36M;
 805                        break;
 806                case MGN_48M:
 807                        *rate_config |= RRSR_48M;
 808                        break;
 809                case MGN_54M:
 810                        *rate_config |= RRSR_54M;
 811                        break;
 812                }
 813        }
 814
 815        for (i = 0; i < net->rates_ex_len; i++) {
 816                basic_rate = net->rates_ex[i] & 0x7f;
 817                switch (basic_rate) {
 818                case MGN_1M:
 819                        *rate_config |= RRSR_1M;
 820                        break;
 821                case MGN_2M:
 822                        *rate_config |= RRSR_2M;
 823                        break;
 824                case MGN_5_5M:
 825                        *rate_config |= RRSR_5_5M;
 826                        break;
 827                case MGN_11M:
 828                        *rate_config |= RRSR_11M;
 829                        break;
 830                case MGN_6M:
 831                        *rate_config |= RRSR_6M;
 832                        break;
 833                case MGN_9M:
 834                        *rate_config |= RRSR_9M;
 835                        break;
 836                case MGN_12M:
 837                        *rate_config |= RRSR_12M;
 838                        break;
 839                case MGN_18M:
 840                        *rate_config |= RRSR_18M;
 841                        break;
 842                case MGN_24M:
 843                        *rate_config |= RRSR_24M;
 844                        break;
 845                case MGN_36M:
 846                        *rate_config |= RRSR_36M;
 847                        break;
 848                case MGN_48M:
 849                        *rate_config |= RRSR_48M;
 850                        break;
 851                case MGN_54M:
 852                        *rate_config |= RRSR_54M;
 853                        break;
 854                }
 855        }
 856}
 857
 858static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
 859{
 860        struct rtllib_device *ieee = priv->rtllib;
 861        if (ieee->mode == WIRELESS_MODE_N_24G ||
 862            ieee->mode == WIRELESS_MODE_N_5G) {
 863                memcpy(ieee->Regdot11HTOperationalRateSet,
 864                       ieee->RegHTSuppRateSet, 16);
 865                memcpy(ieee->Regdot11TxHTOperationalRateSet,
 866                       ieee->RegHTSuppRateSet, 16);
 867
 868        } else {
 869                memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
 870        }
 871        return;
 872}
 873
 874static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
 875{
 876        struct r8192_priv *priv = rtllib_priv(dev);
 877        u8 ret = 0;
 878
 879        switch (priv->rf_chip) {
 880        case RF_8225:
 881        case RF_8256:
 882        case RF_6052:
 883        case RF_PSEUDO_11N:
 884                ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
 885                break;
 886        case RF_8258:
 887                ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
 888                break;
 889        default:
 890                ret = WIRELESS_MODE_B;
 891                break;
 892        }
 893        return ret;
 894}
 895
 896void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
 897{
 898        struct r8192_priv *priv = rtllib_priv(dev);
 899        u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
 900
 901        if ((wireless_mode == WIRELESS_MODE_AUTO) ||
 902            ((wireless_mode & bSupportMode) == 0)) {
 903                if (bSupportMode & WIRELESS_MODE_N_24G) {
 904                        wireless_mode = WIRELESS_MODE_N_24G;
 905                } else if (bSupportMode & WIRELESS_MODE_N_5G) {
 906                        wireless_mode = WIRELESS_MODE_N_5G;
 907                } else if ((bSupportMode & WIRELESS_MODE_A)) {
 908                        wireless_mode = WIRELESS_MODE_A;
 909                } else if ((bSupportMode & WIRELESS_MODE_G)) {
 910                        wireless_mode = WIRELESS_MODE_G;
 911                } else if ((bSupportMode & WIRELESS_MODE_B)) {
 912                        wireless_mode = WIRELESS_MODE_B;
 913                } else {
 914                        RT_TRACE(COMP_ERR, "%s(), No valid wireless mode "
 915                                 "supported (%x)!!!\n", __func__, bSupportMode);
 916                        wireless_mode = WIRELESS_MODE_B;
 917                }
 918        }
 919
 920        if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
 921            (WIRELESS_MODE_G | WIRELESS_MODE_B))
 922                wireless_mode = WIRELESS_MODE_G;
 923
 924        priv->rtllib->mode = wireless_mode;
 925
 926        ActUpdateChannelAccessSetting(dev, wireless_mode,
 927                                      &priv->ChannelAccessSetting);
 928
 929        if ((wireless_mode == WIRELESS_MODE_N_24G) ||
 930            (wireless_mode == WIRELESS_MODE_N_5G)) {
 931                priv->rtllib->pHTInfo->bEnableHT = 1;
 932        RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
 933                 __func__, wireless_mode);
 934        } else {
 935                priv->rtllib->pHTInfo->bEnableHT = 0;
 936                RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
 937                         __func__, wireless_mode);
 938        }
 939
 940        RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
 941        rtl8192_refresh_supportrate(priv);
 942}
 943
 944static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
 945{
 946        struct r8192_priv *priv = rtllib_priv(dev);
 947        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
 948                                        (&(priv->rtllib->PowerSaveControl));
 949        bool init_status = true;
 950        priv->bDriverIsGoingToUnload = false;
 951        priv->bdisable_nic = false;
 952
 953        priv->up = 1;
 954        priv->rtllib->ieee_up = 1;
 955
 956        priv->up_first_time = 0;
 957        RT_TRACE(COMP_INIT, "Bringing up iface");
 958        priv->bfirst_init = true;
 959        init_status = priv->ops->initialize_adapter(dev);
 960        if (init_status != true) {
 961                RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
 962                         __func__);
 963                priv->bfirst_init = false;
 964                return -1;
 965        }
 966
 967        RT_TRACE(COMP_INIT, "start adapter finished\n");
 968        RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
 969        priv->bfirst_init = false;
 970
 971        if (priv->polling_timer_on == 0)
 972                check_rfctrl_gpio_timer((unsigned long)dev);
 973
 974        if (priv->rtllib->state != RTLLIB_LINKED)
 975                rtllib_softmac_start_protocol(priv->rtllib, 0);
 976        rtllib_reset_queue(priv->rtllib);
 977        watch_dog_timer_callback((unsigned long) dev);
 978
 979        if (!netif_queue_stopped(dev))
 980                netif_start_queue(dev);
 981        else
 982                netif_wake_queue(dev);
 983
 984        return 0;
 985}
 986
 987static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
 988{
 989        struct r8192_priv *priv = rtllib_priv(dev);
 990        unsigned long flags = 0;
 991        u8 RFInProgressTimeOut = 0;
 992
 993        if (priv->up == 0)
 994                return -1;
 995
 996        if (priv->rtllib->rtllib_ips_leave != NULL)
 997                priv->rtllib->rtllib_ips_leave(dev);
 998
 999        if (priv->rtllib->state == RTLLIB_LINKED)
1000                LeisurePSLeave(dev);
1001
1002        priv->bDriverIsGoingToUnload = true;
1003        priv->up = 0;
1004        priv->rtllib->ieee_up = 0;
1005        priv->bfirst_after_down = 1;
1006        RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1007        if (!netif_queue_stopped(dev))
1008                netif_stop_queue(dev);
1009
1010        priv->rtllib->wpa_ie_len = 0;
1011        kfree(priv->rtllib->wpa_ie);
1012        priv->rtllib->wpa_ie = NULL;
1013        CamResetAllEntry(dev);
1014        memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1015        rtl8192_irq_disable(dev);
1016
1017        del_timer_sync(&priv->watch_dog_timer);
1018        rtl8192_cancel_deferred_work(priv);
1019        cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1020
1021        rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1022        spin_lock_irqsave(&priv->rf_ps_lock, flags);
1023        while (priv->RFChangeInProgress) {
1024                spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1025                if (RFInProgressTimeOut > 100) {
1026                        spin_lock_irqsave(&priv->rf_ps_lock, flags);
1027                        break;
1028                }
1029                RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait "
1030                         "until rf chang is done.\n", __func__);
1031                mdelay(1);
1032                RFInProgressTimeOut++;
1033                spin_lock_irqsave(&priv->rf_ps_lock, flags);
1034        }
1035        priv->RFChangeInProgress = true;
1036        spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1037        priv->ops->stop_adapter(dev, false);
1038        spin_lock_irqsave(&priv->rf_ps_lock, flags);
1039        priv->RFChangeInProgress = false;
1040        spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1041        udelay(100);
1042        memset(&priv->rtllib->current_network, 0,
1043               offsetof(struct rtllib_network, list));
1044        RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1045
1046        return 0;
1047}
1048
1049static void rtl8192_init_priv_handler(struct net_device *dev)
1050{
1051        struct r8192_priv *priv = rtllib_priv(dev);
1052
1053        priv->rtllib->softmac_hard_start_xmit   = rtl8192_hard_start_xmit;
1054        priv->rtllib->set_chan                  = rtl8192_set_chan;
1055        priv->rtllib->link_change               = priv->ops->link_change;
1056        priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1057        priv->rtllib->data_hard_stop            = rtl8192_data_hard_stop;
1058        priv->rtllib->data_hard_resume          = rtl8192_data_hard_resume;
1059        priv->rtllib->check_nic_enough_desc     = rtl8192_check_nic_enough_desc;
1060        priv->rtllib->get_nic_desc_num          = rtl8192_get_nic_desc_num;
1061        priv->rtllib->handle_assoc_response     = rtl8192_handle_assoc_response;
1062        priv->rtllib->handle_beacon             = rtl8192_handle_beacon;
1063        priv->rtllib->SetWirelessMode           = rtl8192_SetWirelessMode;
1064        priv->rtllib->LeisurePSLeave            = LeisurePSLeave;
1065        priv->rtllib->SetBWModeHandler          = rtl8192_SetBWMode;
1066        priv->rf_set_chan                       = rtl8192_phy_SwChnl;
1067
1068        priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1069        priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1070
1071        priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1072        priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1073        priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1074
1075        priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1076        priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1077                                         rtl8192_GetHalfNmodeSupportByAPs;
1078
1079        priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1080        priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1081        priv->rtllib->SetFwCmdHandler = NULL;
1082        priv->rtllib->InitialGainHandler = InitialGain819xPci;
1083        priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1084        priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1085
1086        priv->rtllib->LedControlHandler = NULL;
1087        priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1088
1089        priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1090
1091        priv->rtllib->rtllib_rfkill_poll = NULL;
1092}
1093
1094static void rtl8192_init_priv_constant(struct net_device *dev)
1095{
1096        struct r8192_priv *priv = rtllib_priv(dev);
1097        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1098                                        &(priv->rtllib->PowerSaveControl);
1099
1100        pPSC->RegMaxLPSAwakeIntvl = 5;
1101
1102        priv->RegPciASPM = 2;
1103
1104        priv->RegDevicePciASPMSetting = 0x03;
1105
1106        priv->RegHostPciASPMSetting = 0x02;
1107
1108        priv->RegHwSwRfOffD3 = 2;
1109
1110        priv->RegSupportPciASPM = 2;
1111}
1112
1113
1114static void rtl8192_init_priv_variable(struct net_device *dev)
1115{
1116        struct r8192_priv *priv = rtllib_priv(dev);
1117        u8 i;
1118
1119        priv->AcmMethod = eAcmWay2_SW;
1120        priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1121        priv->rtllib->hwscan_sem_up = 1;
1122        priv->rtllib->status = 0;
1123        priv->H2CTxCmdSeq = 0;
1124        priv->bDisableFrameBursting = 0;
1125        priv->bDMInitialGainEnable = 1;
1126        priv->polling_timer_on = 0;
1127        priv->up_first_time = 1;
1128        priv->blinked_ingpio = false;
1129        priv->bDriverIsGoingToUnload = false;
1130        priv->being_init_adapter = false;
1131        priv->initialized_at_probe = false;
1132        priv->sw_radio_on = true;
1133        priv->bdisable_nic = false;
1134        priv->bfirst_init = false;
1135        priv->txringcount = 64;
1136        priv->rxbuffersize = 9100;
1137        priv->rxringcount = MAX_RX_COUNT;
1138        priv->irq_enabled = 0;
1139        priv->chan = 1;
1140        priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1141        priv->RegChannelPlan = 0xf;
1142        priv->nrxAMPDU_size = 0;
1143        priv->nrxAMPDU_aggr_num = 0;
1144        priv->last_rxdesc_tsf_high = 0;
1145        priv->last_rxdesc_tsf_low = 0;
1146        priv->rtllib->mode = WIRELESS_MODE_AUTO;
1147        priv->rtllib->iw_mode = IW_MODE_INFRA;
1148        priv->rtllib->bNetPromiscuousMode = false;
1149        priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1150        priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1151                                                                 false;
1152        priv->rtllib->ieee_up = 0;
1153        priv->retry_rts = DEFAULT_RETRY_RTS;
1154        priv->retry_data = DEFAULT_RETRY_DATA;
1155        priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1156        priv->rtllib->rate = 110;
1157        priv->rtllib->short_slot = 1;
1158        priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1159        priv->bcck_in_ch14 = false;
1160        priv->bfsync_processing  = false;
1161        priv->CCKPresentAttentuation = 0;
1162        priv->rfa_txpowertrackingindex = 0;
1163        priv->rfc_txpowertrackingindex = 0;
1164        priv->CckPwEnl = 6;
1165        priv->ScanDelay = 50;
1166        priv->ResetProgress = RESET_TYPE_NORESET;
1167        priv->bForcedSilentReset = 0;
1168        priv->bDisableNormalResetCheck = false;
1169        priv->force_reset = false;
1170        memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1171
1172        memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1173        priv->RxCounter = 0;
1174        priv->rtllib->wx_set_enc = 0;
1175        priv->bHwRadioOff = false;
1176        priv->RegRfOff = 0;
1177        priv->isRFOff = false;
1178        priv->bInPowerSaveMode = false;
1179        priv->rtllib->RfOffReason = 0;
1180        priv->RFChangeInProgress = false;
1181        priv->bHwRfOffAction = 0;
1182        priv->SetRFPowerStateInProgress = false;
1183        priv->rtllib->PowerSaveControl.bInactivePs = true;
1184        priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1185        priv->rtllib->PowerSaveControl.bLeisurePs = true;
1186        priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1187        priv->rtllib->LPSDelayCnt = 0;
1188        priv->rtllib->sta_sleep = LPS_IS_WAKE;
1189        priv->rtllib->eRFPowerState = eRfOn;
1190
1191        priv->txpower_checkcnt = 0;
1192        priv->thermal_readback_index = 0;
1193        priv->txpower_tracking_callback_cnt = 0;
1194        priv->ccktxpower_adjustcnt_ch14 = 0;
1195        priv->ccktxpower_adjustcnt_not_ch14 = 0;
1196
1197        priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1198        priv->rtllib->iw_mode = IW_MODE_INFRA;
1199        priv->rtllib->active_scan = 1;
1200        priv->rtllib->be_scan_inprogress = false;
1201        priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1202                                   RTLLIB_OFDM_MODULATION;
1203        priv->rtllib->host_encrypt = 1;
1204        priv->rtllib->host_decrypt = 1;
1205
1206        priv->rtllib->dot11PowerSaveMode = eActive;
1207        priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1208        priv->rtllib->MaxMssDensity = 0;
1209        priv->rtllib->MinSpaceCfg = 0;
1210
1211        priv->card_type = PCI;
1212
1213        priv->AcmControl = 0;
1214        priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1215        if (!priv->pFirmware)
1216                printk(KERN_ERR "rtl8193e: Unable to allocate space "
1217                       "for firmware\n");
1218
1219        skb_queue_head_init(&priv->rx_queue);
1220        skb_queue_head_init(&priv->skb_queue);
1221
1222        for (i = 0; i < MAX_QUEUE_SIZE; i++)
1223                skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1224        for (i = 0; i < MAX_QUEUE_SIZE; i++)
1225                skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1226}
1227
1228static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1229{
1230        spin_lock_init(&priv->fw_scan_lock);
1231        spin_lock_init(&priv->tx_lock);
1232        spin_lock_init(&priv->irq_lock);
1233        spin_lock_init(&priv->irq_th_lock);
1234        spin_lock_init(&priv->rf_ps_lock);
1235        spin_lock_init(&priv->ps_lock);
1236        spin_lock_init(&priv->rf_lock);
1237        spin_lock_init(&priv->rt_h2c_lock);
1238        sema_init(&priv->wx_sem, 1);
1239        sema_init(&priv->rf_sem, 1);
1240        mutex_init(&priv->mutex);
1241}
1242
1243static void rtl8192_init_priv_task(struct net_device *dev)
1244{
1245        struct r8192_priv *priv = rtllib_priv(dev);
1246
1247        priv->priv_wq = create_workqueue(DRV_NAME);
1248        INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1249        INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1250        INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1251                              (void *)rtl819x_watchdog_wqcallback, dev);
1252        INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1253                              (void *)dm_txpower_trackingcallback, dev);
1254        INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1255                              (void *)dm_rf_pathcheck_workitemcallback, dev);
1256        INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1257                              (void *)rtl8192_update_beacon, dev);
1258        INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1259        INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1260                              (void *) rtl8192_hw_wakeup_wq, dev);
1261        INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1262                              (void *) rtl8192_hw_sleep_wq, dev);
1263        tasklet_init(&priv->irq_rx_tasklet,
1264                     (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1265                     (unsigned long)priv);
1266        tasklet_init(&priv->irq_tx_tasklet,
1267                     (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1268                     (unsigned long)priv);
1269        tasklet_init(&priv->irq_prepare_beacon_tasklet,
1270                     (void(*)(unsigned long))rtl8192_prepare_beacon,
1271                     (unsigned long)priv);
1272}
1273
1274static short rtl8192_get_channel_map(struct net_device *dev)
1275{
1276        int i;
1277
1278        struct r8192_priv *priv = rtllib_priv(dev);
1279        if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1280                        && (priv->rf_chip != RF_6052)) {
1281                RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel "
1282                         "map\n", __func__);
1283                return -1;
1284        }
1285
1286        if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1287                printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
1288                       "default.\n");
1289                priv->ChannelPlan = COUNTRY_CODE_FCC;
1290        }
1291        RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1292        Dot11d_Init(priv->rtllib);
1293        Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1294        for (i = 1; i <= 11; i++)
1295                (priv->rtllib->active_channel_map)[i] = 1;
1296        (priv->rtllib->active_channel_map)[12] = 2;
1297        (priv->rtllib->active_channel_map)[13] = 2;
1298
1299        return 0;
1300}
1301
1302static short rtl8192_init(struct net_device *dev)
1303{
1304        struct r8192_priv *priv = rtllib_priv(dev);
1305
1306        memset(&(priv->stats), 0, sizeof(struct rt_stats));
1307
1308        rtl8192_dbgp_flag_init(dev);
1309        rtl8192_init_priv_handler(dev);
1310        rtl8192_init_priv_constant(dev);
1311        rtl8192_init_priv_variable(dev);
1312        rtl8192_init_priv_lock(priv);
1313        rtl8192_init_priv_task(dev);
1314        priv->ops->get_eeprom_size(dev);
1315        priv->ops->init_adapter_variable(dev);
1316        rtl8192_get_channel_map(dev);
1317
1318        init_hal_dm(dev);
1319
1320        init_timer(&priv->watch_dog_timer);
1321        setup_timer(&priv->watch_dog_timer,
1322                    watch_dog_timer_callback,
1323                    (unsigned long) dev);
1324
1325        init_timer(&priv->gpio_polling_timer);
1326        setup_timer(&priv->gpio_polling_timer,
1327                    check_rfctrl_gpio_timer,
1328                    (unsigned long)dev);
1329
1330        rtl8192_irq_disable(dev);
1331        if (request_irq(dev->irq, (void *)rtl8192_interrupt_rsl, IRQF_SHARED,
1332            dev->name, dev)) {
1333                printk(KERN_ERR "Error allocating IRQ %d", dev->irq);
1334                return -1;
1335        } else {
1336                priv->irq = dev->irq;
1337                RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1338        }
1339
1340        if (rtl8192_pci_initdescring(dev) != 0) {
1341                printk(KERN_ERR "Endopoints initialization failed");
1342                free_irq(dev->irq, dev);
1343                return -1;
1344        }
1345
1346        return 0;
1347}
1348
1349/***************************************************************************
1350        -------------------------------WATCHDOG STUFF---------------------------
1351***************************************************************************/
1352short rtl8192_is_tx_queue_empty(struct net_device *dev)
1353{
1354        int i = 0;
1355        struct r8192_priv *priv = rtllib_priv(dev);
1356        for (i = 0; i <= MGNT_QUEUE; i++) {
1357                if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1358                        continue;
1359                if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1360                        printk(KERN_INFO "===>tx queue is not empty:%d, %d\n",
1361                               i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1362                        return 0;
1363                }
1364        }
1365        return 1;
1366}
1367
1368static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1369{
1370        struct r8192_priv *priv = rtllib_priv(dev);
1371        u8      QueueID;
1372        u8      ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1373        bool    bCheckFwTxCnt = false;
1374        struct rtl8192_tx_ring  *ring = NULL;
1375        struct sk_buff *skb = NULL;
1376        struct cb_desc *tcb_desc = NULL;
1377        unsigned long flags = 0;
1378
1379        switch (priv->rtllib->ps) {
1380        case RTLLIB_PS_DISABLED:
1381                ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1382                break;
1383        case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1384                ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1385                break;
1386        default:
1387                ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1388                break;
1389        }
1390        spin_lock_irqsave(&priv->irq_th_lock, flags);
1391        for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1392                if (QueueID == TXCMD_QUEUE)
1393                        continue;
1394
1395                if (QueueID == BEACON_QUEUE)
1396                        continue;
1397
1398                ring = &priv->tx_ring[QueueID];
1399
1400                if (skb_queue_len(&ring->queue) == 0) {
1401                        continue;
1402                } else {
1403                        skb = (&ring->queue)->next;
1404                        tcb_desc = (struct cb_desc *)(skb->cb +
1405                                    MAX_DEV_ADDR_SIZE);
1406                        tcb_desc->nStuckCount++;
1407                        bCheckFwTxCnt = true;
1408                        if (tcb_desc->nStuckCount > 1)
1409                                printk(KERN_INFO "%s: QueueID=%d tcb_desc->n"
1410                                       "StuckCount=%d\n", __func__, QueueID,
1411                                       tcb_desc->nStuckCount);
1412                }
1413        }
1414        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1415
1416        if (bCheckFwTxCnt) {
1417                if (priv->ops->TxCheckStuckHandler(dev)) {
1418                        RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no"
1419                                 " Tx condition!\n");
1420                        return RESET_TYPE_SILENT;
1421                }
1422        }
1423
1424        return RESET_TYPE_NORESET;
1425}
1426
1427static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1428{
1429        struct r8192_priv *priv = rtllib_priv(dev);
1430
1431        if (priv->ops->RxCheckStuckHandler(dev)) {
1432                RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1433                return RESET_TYPE_SILENT;
1434        }
1435
1436        return RESET_TYPE_NORESET;
1437}
1438
1439static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1440{
1441        struct r8192_priv *priv = rtllib_priv(dev);
1442        enum reset_type TxResetType = RESET_TYPE_NORESET;
1443        enum reset_type RxResetType = RESET_TYPE_NORESET;
1444        enum rt_rf_power_state rfState;
1445
1446        rfState = priv->rtllib->eRFPowerState;
1447
1448        if (rfState == eRfOn)
1449                TxResetType = rtl819x_TxCheckStuck(dev);
1450
1451        if (rfState == eRfOn &&
1452            (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1453            (priv->rtllib->state == RTLLIB_LINKED))
1454                RxResetType = rtl819x_RxCheckStuck(dev);
1455
1456        if (TxResetType == RESET_TYPE_NORMAL ||
1457            RxResetType == RESET_TYPE_NORMAL) {
1458                printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1459                       __func__, TxResetType, RxResetType);
1460                return RESET_TYPE_NORMAL;
1461        } else if (TxResetType == RESET_TYPE_SILENT ||
1462                   RxResetType == RESET_TYPE_SILENT) {
1463                printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1464                       __func__, TxResetType, RxResetType);
1465                return RESET_TYPE_SILENT;
1466        } else {
1467                return RESET_TYPE_NORESET;
1468        }
1469
1470}
1471
1472static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1473{
1474}
1475
1476static void rtl819x_ifsilentreset(struct net_device *dev)
1477{
1478        struct r8192_priv *priv = rtllib_priv(dev);
1479        u8      reset_times = 0;
1480        int reset_status = 0;
1481        struct rtllib_device *ieee = priv->rtllib;
1482        unsigned long flag;
1483
1484        u8 IsPortal = 0;
1485
1486
1487        if (priv->ResetProgress == RESET_TYPE_NORESET) {
1488
1489                RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1490
1491                priv->ResetProgress = RESET_TYPE_SILENT;
1492
1493                spin_lock_irqsave(&priv->rf_ps_lock, flag);
1494                if (priv->RFChangeInProgress) {
1495                        spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1496                        goto END;
1497                }
1498                priv->RFChangeInProgress = true;
1499                priv->bResetInProgress = true;
1500                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1501
1502RESET_START:
1503
1504                down(&priv->wx_sem);
1505
1506                if (priv->rtllib->state == RTLLIB_LINKED)
1507                        LeisurePSLeave(dev);
1508
1509                if (IS_NIC_DOWN(priv)) {
1510                        RT_TRACE(COMP_ERR, "%s():the driver is not up! "
1511                                 "return\n", __func__);
1512                        up(&priv->wx_sem);
1513                        return ;
1514                }
1515                priv->up = 0;
1516
1517                RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1518                          __func__);
1519                mdelay(1000);
1520                RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start"
1521                         " to down the driver\n", __func__);
1522
1523                if (!netif_queue_stopped(dev))
1524                        netif_stop_queue(dev);
1525
1526                rtl8192_irq_disable(dev);
1527                del_timer_sync(&priv->watch_dog_timer);
1528                rtl8192_cancel_deferred_work(priv);
1529                deinit_hal_dm(dev);
1530                rtllib_stop_scan_syncro(ieee);
1531
1532                if (ieee->state == RTLLIB_LINKED) {
1533                        SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1534                        printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n");
1535                        rtllib_stop_send_beacons(priv->rtllib);
1536                        del_timer_sync(&ieee->associate_timer);
1537                        cancel_delayed_work(&ieee->associate_retry_wq);
1538                        rtllib_stop_scan(ieee);
1539                        netif_carrier_off(dev);
1540                        SEM_UP_IEEE_WX(&ieee->wx_sem);
1541                } else {
1542                        printk(KERN_INFO "ieee->state is NOT LINKED\n");
1543                        rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1544                }
1545
1546                dm_backup_dynamic_mechanism_state(dev);
1547
1548                up(&priv->wx_sem);
1549                RT_TRACE(COMP_RESET, "%s():<==========down process is "
1550                         "finished\n", __func__);
1551
1552                RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1553                         __func__);
1554                reset_status = _rtl8192_up(dev, true);
1555
1556                RT_TRACE(COMP_RESET, "%s():<===========up process is "
1557                         "finished\n", __func__);
1558                if (reset_status == -1) {
1559                        if (reset_times < 3) {
1560                                reset_times++;
1561                                goto RESET_START;
1562                        } else {
1563                                RT_TRACE(COMP_ERR, " ERR!!! %s():  Reset "
1564                                         "Failed!!\n", __func__);
1565                        }
1566                }
1567
1568                ieee->is_silent_reset = 1;
1569
1570                spin_lock_irqsave(&priv->rf_ps_lock, flag);
1571                priv->RFChangeInProgress = false;
1572                spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1573
1574                EnableHWSecurityConfig8192(dev);
1575
1576                if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1577                    IW_MODE_INFRA) {
1578                        ieee->set_chan(ieee->dev,
1579                                       ieee->current_network.channel);
1580
1581                        queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1582
1583                } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1584                           IW_MODE_ADHOC) {
1585                        ieee->set_chan(ieee->dev,
1586                                       ieee->current_network.channel);
1587                        ieee->link_change(ieee->dev);
1588
1589                        notify_wx_assoc_event(ieee);
1590
1591                        rtllib_start_send_beacons(ieee);
1592
1593                        if (ieee->data_hard_resume)
1594                                ieee->data_hard_resume(ieee->dev);
1595                        netif_carrier_on(ieee->dev);
1596                } else if (ieee->iw_mode == IW_MODE_MESH) {
1597                        rtl819x_silentreset_mesh_bk(dev, IsPortal);
1598                }
1599
1600                CamRestoreAllEntry(dev);
1601                dm_restore_dynamic_mechanism_state(dev);
1602END:
1603                priv->ResetProgress = RESET_TYPE_NORESET;
1604                priv->reset_count++;
1605
1606                priv->bForcedSilentReset = false;
1607                priv->bResetInProgress = false;
1608
1609                write_nic_byte(dev, UFWP, 1);
1610                RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1611                         priv->reset_count);
1612        }
1613}
1614
1615static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1616                                    u32 *TotalRxDataNum)
1617{
1618        u16     SlotIndex;
1619        u8      i;
1620
1621        *TotalRxBcnNum = 0;
1622        *TotalRxDataNum = 0;
1623
1624        SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1625                        (priv->rtllib->LinkDetectInfo.SlotNum);
1626        priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1627                        priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1628        priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1629                        priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1630        for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1631                *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1632                *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1633        }
1634}
1635
1636
1637void    rtl819x_watchdog_wqcallback(void *data)
1638{
1639        struct r8192_priv *priv = container_of_dwork_rsl(data,
1640                                  struct r8192_priv, watch_dog_wq);
1641        struct net_device *dev = priv->rtllib->dev;
1642        struct rtllib_device *ieee = priv->rtllib;
1643        enum reset_type ResetType = RESET_TYPE_NORESET;
1644        static u8 check_reset_cnt;
1645        unsigned long flags;
1646        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1647                                        (&(priv->rtllib->PowerSaveControl));
1648        bool bBusyTraffic = false;
1649        bool    bHigherBusyTraffic = false;
1650        bool    bHigherBusyRxTraffic = false;
1651        bool bEnterPS = false;
1652
1653        if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1654                return;
1655
1656        if (priv->rtllib->state >= RTLLIB_LINKED) {
1657                if (priv->rtllib->CntAfterLink < 2)
1658                        priv->rtllib->CntAfterLink++;
1659        } else {
1660                priv->rtllib->CntAfterLink = 0;
1661        }
1662
1663        hal_dm_watchdog(dev);
1664
1665        if (rtllib_act_scanning(priv->rtllib, false) == false) {
1666                if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1667                     RTLLIB_NOLINK) &&
1668                     (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1669                     (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1670                        if ((ieee->PowerSaveControl.ReturnPoint ==
1671                             IPS_CALLBACK_NONE) &&
1672                             (!ieee->bNetPromiscuousMode)) {
1673                                RT_TRACE(COMP_PS, "====================>haha: "
1674                                         "IPSEnter()\n");
1675                                IPSEnter(dev);
1676                        }
1677                }
1678        }
1679        if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1680             IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1681                if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1682                ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1683                        bBusyTraffic = true;
1684
1685
1686                if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1687                    ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1688                        bHigherBusyTraffic = true;
1689                        if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1690                                bHigherBusyRxTraffic = true;
1691                        else
1692                                bHigherBusyRxTraffic = false;
1693                }
1694
1695                if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1696                    ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1697                    (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1698                        bEnterPS = false;
1699                else
1700                        bEnterPS = true;
1701
1702                if (ieee->current_network.beacon_interval < 95)
1703                        bEnterPS = false;
1704
1705                if (bEnterPS)
1706                        LeisurePSEnter(dev);
1707                else
1708                        LeisurePSLeave(dev);
1709
1710        } else {
1711                RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1712                LeisurePSLeave(dev);
1713        }
1714
1715        ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1716        ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1717        ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1718        ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1719
1720        ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1721        ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1722
1723        if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1724                u32     TotalRxBcnNum = 0;
1725                u32     TotalRxDataNum = 0;
1726
1727                rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1728
1729                if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1730                        priv->check_roaming_cnt++;
1731                else
1732                        priv->check_roaming_cnt = 0;
1733
1734
1735                if (priv->check_roaming_cnt > 0) {
1736                        if (ieee->eRFPowerState == eRfOff)
1737                                RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1738
1739                        printk(KERN_INFO "===>%s(): AP is power off, chan:%d,"
1740                               " connect another one\n", __func__, priv->chan);
1741
1742                        ieee->state = RTLLIB_ASSOCIATING;
1743
1744                        RemovePeerTS(priv->rtllib,
1745                                     priv->rtllib->current_network.bssid);
1746                        ieee->is_roaming = true;
1747                        ieee->is_set_key = false;
1748                        ieee->link_change(dev);
1749                        if (ieee->LedControlHandler)
1750                                ieee->LedControlHandler(ieee->dev,
1751                                                        LED_CTL_START_TO_LINK);
1752
1753                        notify_wx_assoc_event(ieee);
1754
1755                        if (!(ieee->rtllib_ap_sec_type(ieee) &
1756                             (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1757                                queue_delayed_work_rsl(ieee->wq,
1758                                        &ieee->associate_procedure_wq, 0);
1759
1760                        priv->check_roaming_cnt = 0;
1761                }
1762                ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1763                ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1764
1765        }
1766
1767        spin_lock_irqsave(&priv->tx_lock, flags);
1768        if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1769            (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1770                ResetType = rtl819x_ifcheck_resetornot(dev);
1771                check_reset_cnt = 3;
1772        }
1773        spin_unlock_irqrestore(&priv->tx_lock, flags);
1774
1775        if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1776                priv->ResetProgress = RESET_TYPE_NORMAL;
1777                RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1778                return;
1779        }
1780
1781        if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1782              ResetType == RESET_TYPE_SILENT)))
1783                rtl819x_ifsilentreset(dev);
1784        priv->force_reset = false;
1785        priv->bForcedSilentReset = false;
1786        priv->bResetInProgress = false;
1787        RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1788}
1789
1790void watch_dog_timer_callback(unsigned long data)
1791{
1792        struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1793        queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1794        mod_timer(&priv->watch_dog_timer, jiffies +
1795                  MSECS(RTLLIB_WATCH_DOG_TIME));
1796}
1797
1798/****************************************************************************
1799 ---------------------------- NIC TX/RX STUFF---------------------------
1800*****************************************************************************/
1801void rtl8192_rx_enable(struct net_device *dev)
1802{
1803        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1804        priv->ops->rx_enable(dev);
1805}
1806
1807void rtl8192_tx_enable(struct net_device *dev)
1808{
1809        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1810
1811        priv->ops->tx_enable(dev);
1812
1813        rtllib_reset_queue(priv->rtllib);
1814}
1815
1816
1817static void rtl8192_free_rx_ring(struct net_device *dev)
1818{
1819        struct r8192_priv *priv = rtllib_priv(dev);
1820        int i, rx_queue_idx;
1821
1822        for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1823             rx_queue_idx++) {
1824                for (i = 0; i < priv->rxringcount; i++) {
1825                        struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1826                        if (!skb)
1827                                continue;
1828
1829                        pci_unmap_single(priv->pdev,
1830                                *((dma_addr_t *)skb->cb),
1831                                priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1832                                kfree_skb(skb);
1833                }
1834
1835                pci_free_consistent(priv->pdev,
1836                        sizeof(*priv->rx_ring[rx_queue_idx]) *
1837                        priv->rxringcount,
1838                        priv->rx_ring[rx_queue_idx],
1839                        priv->rx_ring_dma[rx_queue_idx]);
1840                priv->rx_ring[rx_queue_idx] = NULL;
1841        }
1842}
1843
1844static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1845{
1846        struct r8192_priv *priv = rtllib_priv(dev);
1847        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1848
1849        while (skb_queue_len(&ring->queue)) {
1850                struct tx_desc *entry = &ring->desc[ring->idx];
1851                struct sk_buff *skb = __skb_dequeue(&ring->queue);
1852
1853                pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1854                        skb->len, PCI_DMA_TODEVICE);
1855                kfree_skb(skb);
1856                ring->idx = (ring->idx + 1) % ring->entries;
1857        }
1858
1859        pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1860        ring->desc, ring->dma);
1861        ring->desc = NULL;
1862}
1863
1864void rtl8192_data_hard_stop(struct net_device *dev)
1865{
1866}
1867
1868
1869void rtl8192_data_hard_resume(struct net_device *dev)
1870{
1871}
1872
1873void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1874                            int rate)
1875{
1876        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1877        int ret;
1878        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1879                                    MAX_DEV_ADDR_SIZE);
1880        u8 queue_index = tcb_desc->queue_index;
1881
1882        if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) ||
1883             priv->bResetInProgress) {
1884                kfree_skb(skb);
1885                return;
1886        }
1887
1888        assert(queue_index != TXCMD_QUEUE);
1889
1890
1891        memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1892        skb_push(skb, priv->rtllib->tx_headroom);
1893        ret = rtl8192_tx(dev, skb);
1894        if (ret != 0) {
1895                kfree_skb(skb);
1896        };
1897
1898        if (queue_index != MGNT_QUEUE) {
1899                priv->rtllib->stats.tx_bytes += (skb->len -
1900                                                 priv->rtllib->tx_headroom);
1901                priv->rtllib->stats.tx_packets++;
1902        }
1903
1904
1905        return;
1906}
1907
1908int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1909{
1910        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1911        int ret;
1912        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1913                                    MAX_DEV_ADDR_SIZE);
1914        u8 queue_index = tcb_desc->queue_index;
1915
1916        if (queue_index != TXCMD_QUEUE) {
1917                if ((priv->rtllib->eRFPowerState == eRfOff) ||
1918                     IS_NIC_DOWN(priv) || priv->bResetInProgress) {
1919                        kfree_skb(skb);
1920                        return 0;
1921                }
1922        }
1923
1924        memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1925        if (queue_index == TXCMD_QUEUE) {
1926                rtl8192_tx_cmd(dev, skb);
1927                ret = 0;
1928                return ret;
1929        } else {
1930                tcb_desc->RATRIndex = 7;
1931                tcb_desc->bTxDisableRateFallBack = 1;
1932                tcb_desc->bTxUseDriverAssingedRate = 1;
1933                tcb_desc->bTxEnableFwCalcDur = 1;
1934                skb_push(skb, priv->rtllib->tx_headroom);
1935                ret = rtl8192_tx(dev, skb);
1936                if (ret != 0) {
1937                        kfree_skb(skb);
1938                };
1939        }
1940
1941
1942
1943        return ret;
1944
1945}
1946
1947static void rtl8192_tx_isr(struct net_device *dev, int prio)
1948{
1949        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1950
1951        struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1952
1953        while (skb_queue_len(&ring->queue)) {
1954                struct tx_desc *entry = &ring->desc[ring->idx];
1955                struct sk_buff *skb;
1956
1957                if (prio != BEACON_QUEUE) {
1958                        if (entry->OWN)
1959                                return;
1960                        ring->idx = (ring->idx + 1) % ring->entries;
1961                }
1962
1963                skb = __skb_dequeue(&ring->queue);
1964                pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1965                skb->len, PCI_DMA_TODEVICE);
1966
1967                kfree_skb(skb);
1968        }
1969        if (prio != BEACON_QUEUE)
1970                tasklet_schedule(&priv->irq_tx_tasklet);
1971}
1972
1973void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1974{
1975        struct r8192_priv *priv = rtllib_priv(dev);
1976        struct rtl8192_tx_ring *ring;
1977        struct tx_desc_cmd *entry;
1978        unsigned int idx;
1979        struct cb_desc *tcb_desc;
1980        unsigned long flags;
1981
1982        spin_lock_irqsave(&priv->irq_th_lock, flags);
1983        ring = &priv->tx_ring[TXCMD_QUEUE];
1984
1985        idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1986        entry = (struct tx_desc_cmd *) &ring->desc[idx];
1987
1988        tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1989
1990        priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1991
1992        __skb_queue_tail(&ring->queue, skb);
1993        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1994
1995        return;
1996}
1997
1998short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1999{
2000        struct r8192_priv *priv = rtllib_priv(dev);
2001        struct rtl8192_tx_ring  *ring;
2002        unsigned long flags;
2003        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
2004                                    MAX_DEV_ADDR_SIZE);
2005        struct tx_desc *pdesc = NULL;
2006        struct rtllib_hdr_1addr *header = NULL;
2007        u16 fc = 0, type = 0, stype = 0;
2008        bool  multi_addr = false, broad_addr = false, uni_addr = false;
2009        u8 *pda_addr = NULL;
2010        int   idx;
2011        u32 fwinfo_size = 0;
2012
2013        if (priv->bdisable_nic) {
2014                RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet"
2015                         " len=%d qidx=%d!!!\n", __func__, skb->len,
2016                         tcb_desc->queue_index);
2017                return skb->len;
2018        }
2019
2020        priv->rtllib->bAwakePktSent = true;
2021
2022        fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2023
2024        header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2025        fc = header->frame_ctl;
2026        type = WLAN_FC_GET_TYPE(fc);
2027        stype = WLAN_FC_GET_STYPE(fc);
2028        pda_addr = header->addr1;
2029
2030        if (is_multicast_ether_addr(pda_addr))
2031                multi_addr = true;
2032        else if (is_broadcast_ether_addr(pda_addr))
2033                broad_addr = true;
2034        else
2035                uni_addr = true;
2036
2037        if (uni_addr)
2038                priv->stats.txbytesunicast += skb->len - fwinfo_size;
2039        else if (multi_addr)
2040                priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2041        else
2042                priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2043
2044        spin_lock_irqsave(&priv->irq_th_lock, flags);
2045        ring = &priv->tx_ring[tcb_desc->queue_index];
2046        if (tcb_desc->queue_index != BEACON_QUEUE)
2047                idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2048        else
2049                idx = 0;
2050
2051        pdesc = &ring->desc[idx];
2052        if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2053                RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = "
2054                         "%d, skblen = 0x%x queuelen=%d",
2055                         tcb_desc->queue_index, ring->idx, idx, skb->len,
2056                         skb_queue_len(&ring->queue));
2057                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2058                return skb->len;
2059        }
2060
2061        if (type == RTLLIB_FTYPE_DATA) {
2062                if (priv->rtllib->LedControlHandler)
2063                        priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2064        }
2065        priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2066        __skb_queue_tail(&ring->queue, skb);
2067        pdesc->OWN = 1;
2068        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2069        dev->trans_start = jiffies;
2070
2071        write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2072        return 0;
2073}
2074
2075static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2076{
2077        struct r8192_priv *priv = rtllib_priv(dev);
2078        struct rx_desc *entry = NULL;
2079        int i, rx_queue_idx;
2080
2081        for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2082                priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2083                                        sizeof(*priv->rx_ring[rx_queue_idx]) *
2084                                        priv->rxringcount,
2085                                        &priv->rx_ring_dma[rx_queue_idx]);
2086
2087                if (!priv->rx_ring[rx_queue_idx] ||
2088                    (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2089                        RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2090                        return -ENOMEM;
2091                }
2092
2093                memset(priv->rx_ring[rx_queue_idx], 0,
2094                       sizeof(*priv->rx_ring[rx_queue_idx]) *
2095                       priv->rxringcount);
2096                priv->rx_idx[rx_queue_idx] = 0;
2097
2098                for (i = 0; i < priv->rxringcount; i++) {
2099                        struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2100                        dma_addr_t *mapping;
2101                        entry = &priv->rx_ring[rx_queue_idx][i];
2102                        if (!skb)
2103                                return 0;
2104                        skb->dev = dev;
2105                        priv->rx_buf[rx_queue_idx][i] = skb;
2106                        mapping = (dma_addr_t *)skb->cb;
2107                        *mapping = pci_map_single(priv->pdev,
2108                                                  skb_tail_pointer_rsl(skb),
2109                                                  priv->rxbuffersize,
2110                                                  PCI_DMA_FROMDEVICE);
2111
2112                        entry->BufferAddress = cpu_to_le32(*mapping);
2113
2114                        entry->Length = priv->rxbuffersize;
2115                        entry->OWN = 1;
2116                }
2117
2118                if(entry)
2119                        entry->EOR = 1;
2120        }
2121        return 0;
2122}
2123
2124static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2125        unsigned int prio, unsigned int entries)
2126{
2127        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2128        struct tx_desc *ring;
2129        dma_addr_t dma;
2130        int i;
2131
2132        ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2133        if (!ring || (unsigned long)ring & 0xFF) {
2134                RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
2135                         prio);
2136                return -ENOMEM;
2137        }
2138
2139        memset(ring, 0, sizeof(*ring)*entries);
2140        priv->tx_ring[prio].desc = ring;
2141        priv->tx_ring[prio].dma = dma;
2142        priv->tx_ring[prio].idx = 0;
2143        priv->tx_ring[prio].entries = entries;
2144        skb_queue_head_init(&priv->tx_ring[prio].queue);
2145
2146        for (i = 0; i < entries; i++)
2147                ring[i].NextDescAddress =
2148                        cpu_to_le32((u32)dma + ((i + 1) % entries) *
2149                        sizeof(*ring));
2150
2151        return 0;
2152}
2153
2154
2155short rtl8192_pci_initdescring(struct net_device *dev)
2156{
2157        u32 ret;
2158        int i;
2159        struct r8192_priv *priv = rtllib_priv(dev);
2160
2161        ret = rtl8192_alloc_rx_desc_ring(dev);
2162        if (ret)
2163                return ret;
2164
2165        for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2166                ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
2167                if (ret)
2168                        goto err_free_rings;
2169        }
2170
2171        return 0;
2172
2173err_free_rings:
2174        rtl8192_free_rx_ring(dev);
2175        for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2176                if (priv->tx_ring[i].desc)
2177                        rtl8192_free_tx_ring(dev, i);
2178        return 1;
2179}
2180
2181void rtl8192_pci_resetdescring(struct net_device *dev)
2182{
2183        struct r8192_priv *priv = rtllib_priv(dev);
2184        int i, rx_queue_idx;
2185        unsigned long flags = 0;
2186
2187        for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2188                if (priv->rx_ring[rx_queue_idx]) {
2189                        struct rx_desc *entry = NULL;
2190                        for (i = 0; i < priv->rxringcount; i++) {
2191                                entry = &priv->rx_ring[rx_queue_idx][i];
2192                                entry->OWN = 1;
2193                        }
2194                        priv->rx_idx[rx_queue_idx] = 0;
2195                }
2196        }
2197
2198        spin_lock_irqsave(&priv->irq_th_lock, flags);
2199        for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2200                if (priv->tx_ring[i].desc) {
2201                        struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2202
2203                        while (skb_queue_len(&ring->queue)) {
2204                                struct tx_desc *entry = &ring->desc[ring->idx];
2205                                struct sk_buff *skb =
2206                                                 __skb_dequeue(&ring->queue);
2207
2208                                pci_unmap_single(priv->pdev,
2209                                                 le32_to_cpu(entry->TxBuffAddr),
2210                                                 skb->len, PCI_DMA_TODEVICE);
2211                                kfree_skb(skb);
2212                                ring->idx = (ring->idx + 1) % ring->entries;
2213                        }
2214                        ring->idx = 0;
2215                }
2216        }
2217        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2218}
2219
2220void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
2221                                  struct rtllib_rx_stats *stats)
2222{
2223        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2224
2225        if (stats->bIsAMPDU && !stats->bFirstMPDU)
2226                stats->mac_time = priv->LastRxDescTSF;
2227        else
2228                priv->LastRxDescTSF = stats->mac_time;
2229}
2230
2231long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2232{
2233        long    signal_power;
2234
2235        signal_power = (long)((signal_strength_index + 1) >> 1);
2236        signal_power -= 95;
2237
2238        return signal_power;
2239}
2240
2241
2242void
2243rtl819x_update_rxsignalstatistics8190pci(
2244        struct r8192_priv *priv,
2245        struct rtllib_rx_stats *pprevious_stats
2246        )
2247{
2248        int weighting = 0;
2249
2250
2251        if (priv->stats.recv_signal_power == 0)
2252                priv->stats.recv_signal_power =
2253                                         pprevious_stats->RecvSignalPower;
2254
2255        if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2256                weighting = 5;
2257        else if (pprevious_stats->RecvSignalPower <
2258                 priv->stats.recv_signal_power)
2259                weighting = (-5);
2260        priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2261                                        pprevious_stats->RecvSignalPower +
2262                                        weighting) / 6;
2263}
2264
2265void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2266                                   struct rtllib_rx_stats *pprevious_stats)
2267{
2268}
2269
2270
2271u8 rtl819x_query_rxpwrpercentage(char antpower)
2272{
2273        if ((antpower <= -100) || (antpower >= 20))
2274                return  0;
2275        else if (antpower >= 0)
2276                return  100;
2277        else
2278                return  100 + antpower;
2279
2280}       /* QueryRxPwrPercentage */
2281
2282u8
2283rtl819x_evm_dbtopercentage(
2284        char value
2285        )
2286{
2287        char ret_val;
2288
2289        ret_val = value;
2290
2291        if (ret_val >= 0)
2292                ret_val = 0;
2293        if (ret_val <= -33)
2294                ret_val = -33;
2295        ret_val = 0 - ret_val;
2296        ret_val *= 3;
2297        if (ret_val == 99)
2298                ret_val = 100;
2299        return ret_val;
2300}
2301
2302void
2303rtl8192_record_rxdesc_forlateruse(
2304        struct rtllib_rx_stats *psrc_stats,
2305        struct rtllib_rx_stats *ptarget_stats
2306)
2307{
2308        ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2309        ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2310}
2311
2312
2313
2314static void rtl8192_rx_normal(struct net_device *dev)
2315{
2316        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2317        struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2318        bool unicast_packet = false;
2319        bool bLedBlinking = true;
2320        u16 fc = 0, type = 0;
2321        u32 skb_len = 0;
2322        int rx_queue_idx = RX_MPDU_QUEUE;
2323
2324        struct rtllib_rx_stats stats = {
2325                .signal = 0,
2326                .noise = -98,
2327                .rate = 0,
2328                .freq = RTLLIB_24GHZ_BAND,
2329        };
2330        unsigned int count = priv->rxringcount;
2331
2332        stats.nic_type = NIC_8192E;
2333
2334        while (count--) {
2335                struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2336                                        [priv->rx_idx[rx_queue_idx]];
2337                struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2338                                      [priv->rx_idx[rx_queue_idx]];
2339
2340                if (pdesc->OWN) {
2341                        return;
2342                } else {
2343                        struct sk_buff *new_skb;
2344
2345                        if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2346                        pdesc, skb))
2347                                goto done;
2348                        new_skb = dev_alloc_skb(priv->rxbuffersize);
2349                        /* if allocation of new skb failed - drop current packet
2350                        * and reuse skb */
2351                        if (unlikely(!new_skb))
2352                                goto done;
2353
2354                        pci_unmap_single(priv->pdev,
2355                                        *((dma_addr_t *)skb->cb),
2356                                        priv->rxbuffersize,
2357                                        PCI_DMA_FROMDEVICE);
2358
2359                        skb_put(skb, pdesc->Length);
2360                        skb_reserve(skb, stats.RxDrvInfoSize +
2361                                stats.RxBufShift);
2362                        skb_trim(skb, skb->len - 4/*sCrcLng*/);
2363                        rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2364                        if (!is_broadcast_ether_addr(rtllib_hdr->addr1) &&
2365                        !is_multicast_ether_addr(rtllib_hdr->addr1)) {
2366                                /* unicast packet */
2367                                unicast_packet = true;
2368                        }
2369                        fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2370                        type = WLAN_FC_GET_TYPE(fc);
2371                        if (type == RTLLIB_FTYPE_MGMT)
2372                                bLedBlinking = false;
2373
2374                        if (bLedBlinking)
2375                                if (priv->rtllib->LedControlHandler)
2376                                        priv->rtllib->LedControlHandler(dev,
2377                                                                LED_CTL_RX);
2378
2379                        if (stats.bCRC) {
2380                                if (type != RTLLIB_FTYPE_MGMT)
2381                                        priv->stats.rxdatacrcerr++;
2382                                else
2383                                        priv->stats.rxmgmtcrcerr++;
2384                        }
2385
2386                        skb_len = skb->len;
2387
2388                        if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2389                                dev_kfree_skb_any(skb);
2390                        } else {
2391                                priv->stats.rxok++;
2392                                if (unicast_packet)
2393                                        priv->stats.rxbytesunicast += skb_len;
2394                        }
2395
2396                        skb = new_skb;
2397                        skb->dev = dev;
2398
2399                        priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2400                                                                         skb;
2401                        *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2402                                                    skb_tail_pointer_rsl(skb),
2403                                                    priv->rxbuffersize,
2404                                                    PCI_DMA_FROMDEVICE);
2405
2406                }
2407done:
2408                pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2409                pdesc->OWN = 1;
2410                pdesc->Length = priv->rxbuffersize;
2411                if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2412                        pdesc->EOR = 1;
2413                priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2414                                              priv->rxringcount;
2415        }
2416
2417}
2418
2419static void rtl8192_rx_cmd(struct net_device *dev)
2420{
2421}
2422
2423
2424static void rtl8192_tx_resume(struct net_device *dev)
2425{
2426        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2427        struct rtllib_device *ieee = priv->rtllib;
2428        struct sk_buff *skb;
2429        int queue_index;
2430
2431        for (queue_index = BK_QUEUE;
2432             queue_index < MAX_QUEUE_SIZE; queue_index++) {
2433                while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2434                (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2435                        skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2436                        ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2437                }
2438        }
2439}
2440
2441void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2442{
2443        rtl8192_tx_resume(priv->rtllib->dev);
2444}
2445
2446void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2447{
2448        rtl8192_rx_normal(priv->rtllib->dev);
2449
2450        if (MAX_RX_QUEUE > 1)
2451                rtl8192_rx_cmd(priv->rtllib->dev);
2452
2453        write_nic_dword(priv->rtllib->dev, INTA_MASK,
2454                        read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2455}
2456
2457/****************************************************************************
2458 ---------------------------- NIC START/CLOSE STUFF---------------------------
2459*****************************************************************************/
2460void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2461{
2462        cancel_delayed_work(&priv->watch_dog_wq);
2463        cancel_delayed_work(&priv->update_beacon_wq);
2464        cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2465        cancel_work_sync(&priv->reset_wq);
2466        cancel_work_sync(&priv->qos_activate);
2467}
2468
2469int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2470{
2471        if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2472                return -1;
2473        return 0;
2474}
2475
2476
2477static int rtl8192_open(struct net_device *dev)
2478{
2479        struct r8192_priv *priv = rtllib_priv(dev);
2480        int ret;
2481
2482        down(&priv->wx_sem);
2483        ret = rtl8192_up(dev);
2484        up(&priv->wx_sem);
2485        return ret;
2486
2487}
2488
2489
2490int rtl8192_up(struct net_device *dev)
2491{
2492        struct r8192_priv *priv = rtllib_priv(dev);
2493
2494        if (priv->up == 1)
2495                return -1;
2496        return _rtl8192_up(dev, false);
2497}
2498
2499
2500static int rtl8192_close(struct net_device *dev)
2501{
2502        struct r8192_priv *priv = rtllib_priv(dev);
2503        int ret;
2504
2505        if ((rtllib_act_scanning(priv->rtllib, false)) &&
2506                !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2507                rtllib_stop_scan(priv->rtllib);
2508        }
2509
2510        down(&priv->wx_sem);
2511
2512        ret = rtl8192_down(dev, true);
2513
2514        up(&priv->wx_sem);
2515
2516        return ret;
2517
2518}
2519
2520int rtl8192_down(struct net_device *dev, bool shutdownrf)
2521{
2522        if (rtl8192_sta_down(dev, shutdownrf) == -1)
2523                return -1;
2524
2525        return 0;
2526}
2527
2528void rtl8192_commit(struct net_device *dev)
2529{
2530        struct r8192_priv *priv = rtllib_priv(dev);
2531
2532        if (priv->up == 0)
2533                return;
2534        rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2535        rtl8192_irq_disable(dev);
2536        priv->ops->stop_adapter(dev, true);
2537        _rtl8192_up(dev, false);
2538}
2539
2540void rtl8192_restart(void *data)
2541{
2542        struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2543                                  reset_wq);
2544        struct net_device *dev = priv->rtllib->dev;
2545
2546        down(&priv->wx_sem);
2547
2548        rtl8192_commit(dev);
2549
2550        up(&priv->wx_sem);
2551}
2552
2553static void r8192_set_multicast(struct net_device *dev)
2554{
2555        struct r8192_priv *priv = rtllib_priv(dev);
2556        short promisc;
2557
2558        promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2559        priv->promisc = promisc;
2560
2561}
2562
2563
2564static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2565{
2566        struct r8192_priv *priv = rtllib_priv(dev);
2567        struct sockaddr *addr = mac;
2568
2569        down(&priv->wx_sem);
2570
2571        memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2572
2573        schedule_work(&priv->reset_wq);
2574        up(&priv->wx_sem);
2575
2576        return 0;
2577}
2578
2579/* based on ipw2200 driver */
2580static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2581{
2582        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2583        struct iwreq *wrq = (struct iwreq *)rq;
2584        int ret = -1;
2585        struct rtllib_device *ieee = priv->rtllib;
2586        u32 key[4];
2587        u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2588        u8 zero_addr[6] = {0};
2589        struct iw_point *p = &wrq->u.data;
2590        struct ieee_param *ipw = NULL;
2591
2592        down(&priv->wx_sem);
2593
2594        switch (cmd) {
2595        case RTL_IOCTL_WPA_SUPPLICANT:
2596                if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2597                        ret = -EINVAL;
2598                        goto out;
2599                }
2600
2601                ipw = kmalloc(p->length, GFP_KERNEL);
2602                if (ipw == NULL) {
2603                        ret = -ENOMEM;
2604                        goto out;
2605                }
2606                if (copy_from_user(ipw, p->pointer, p->length)) {
2607                        kfree(ipw);
2608                        ret = -EFAULT;
2609                        goto out;
2610                }
2611
2612                if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2613                        if (ipw->u.crypt.set_tx) {
2614                                if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2615                                        ieee->pairwise_key_type = KEY_TYPE_CCMP;
2616                                else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2617                                        ieee->pairwise_key_type = KEY_TYPE_TKIP;
2618                                else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2619                                        if (ipw->u.crypt.key_len == 13)
2620                                                ieee->pairwise_key_type =
2621                                                         KEY_TYPE_WEP104;
2622                                        else if (ipw->u.crypt.key_len == 5)
2623                                                ieee->pairwise_key_type =
2624                                                         KEY_TYPE_WEP40;
2625                                } else {
2626                                        ieee->pairwise_key_type = KEY_TYPE_NA;
2627                                }
2628
2629                                if (ieee->pairwise_key_type) {
2630                                        if (memcmp(ieee->ap_mac_addr, zero_addr,
2631                                            6) == 0)
2632                                                ieee->iw_mode = IW_MODE_ADHOC;
2633                                        memcpy((u8 *)key, ipw->u.crypt.key, 16);
2634                                        EnableHWSecurityConfig8192(dev);
2635                                        set_swcam(dev, 4, ipw->u.crypt.idx,
2636                                                  ieee->pairwise_key_type,
2637                                                  (u8 *)ieee->ap_mac_addr,
2638                                                  0, key, 0);
2639                                        setKey(dev, 4, ipw->u.crypt.idx,
2640                                               ieee->pairwise_key_type,
2641                                               (u8 *)ieee->ap_mac_addr, 0, key);
2642                                        if (ieee->iw_mode == IW_MODE_ADHOC) {
2643                                                set_swcam(dev, ipw->u.crypt.idx,
2644                                                        ipw->u.crypt.idx,
2645                                                        ieee->pairwise_key_type,
2646                                                        (u8 *)ieee->ap_mac_addr,
2647                                                        0, key, 0);
2648                                                setKey(dev, ipw->u.crypt.idx,
2649                                                       ipw->u.crypt.idx,
2650                                                       ieee->pairwise_key_type,
2651                                                       (u8 *)ieee->ap_mac_addr,
2652                                                       0, key);
2653                                        }
2654                                }
2655                                if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2656                                     && ieee->pHTInfo->bCurrentHTSupport) {
2657                                        write_nic_byte(dev, 0x173, 1);
2658                                }
2659
2660                        } else {
2661                                memcpy((u8 *)key, ipw->u.crypt.key, 16);
2662                                if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2663                                        ieee->group_key_type = KEY_TYPE_CCMP;
2664                                else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2665                                        ieee->group_key_type = KEY_TYPE_TKIP;
2666                                else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2667                                        if (ipw->u.crypt.key_len == 13)
2668                                                ieee->group_key_type =
2669                                                         KEY_TYPE_WEP104;
2670                                        else if (ipw->u.crypt.key_len == 5)
2671                                                ieee->group_key_type =
2672                                                         KEY_TYPE_WEP40;
2673                                } else
2674                                        ieee->group_key_type = KEY_TYPE_NA;
2675
2676                                if (ieee->group_key_type) {
2677                                        set_swcam(dev, ipw->u.crypt.idx,
2678                                                  ipw->u.crypt.idx,
2679                                                  ieee->group_key_type,
2680                                                  broadcast_addr, 0, key, 0);
2681                                        setKey(dev, ipw->u.crypt.idx,
2682                                               ipw->u.crypt.idx,
2683                                               ieee->group_key_type,
2684                                               broadcast_addr, 0, key);
2685                                }
2686                        }
2687                }
2688
2689                ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2690                                                  0);
2691                kfree(ipw);
2692                break;
2693        default:
2694                ret = -EOPNOTSUPP;
2695                break;
2696        }
2697
2698out:
2699        up(&priv->wx_sem);
2700
2701        return ret;
2702}
2703
2704
2705irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2706{
2707        struct net_device *dev = (struct net_device *) netdev;
2708        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2709        unsigned long flags;
2710        u32 inta;
2711        u32 intb;
2712        intb = 0;
2713
2714        if (priv->irq_enabled == 0)
2715                goto done;
2716
2717        spin_lock_irqsave(&priv->irq_th_lock, flags);
2718
2719        priv->ops->interrupt_recognized(dev, &inta, &intb);
2720        priv->stats.shints++;
2721
2722        if (!inta) {
2723                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2724                goto done;
2725        }
2726
2727        if (inta == 0xffff) {
2728                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2729                goto done;
2730        }
2731
2732        priv->stats.ints++;
2733
2734        if (!netif_running(dev)) {
2735                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2736                goto done;
2737        }
2738
2739        if (inta & IMR_TBDOK) {
2740                RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2741                priv->stats.txbeaconokint++;
2742        }
2743
2744        if (inta & IMR_TBDER) {
2745                RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2746                priv->stats.txbeaconerr++;
2747        }
2748
2749        if (inta & IMR_BDOK)
2750                RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2751
2752        if (inta  & IMR_MGNTDOK) {
2753                RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2754                priv->stats.txmanageokint++;
2755                rtl8192_tx_isr(dev, MGNT_QUEUE);
2756                spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2757                if (priv->rtllib->ack_tx_to_ieee) {
2758                        if (rtl8192_is_tx_queue_empty(dev)) {
2759                                priv->rtllib->ack_tx_to_ieee = 0;
2760                                rtllib_ps_tx_ack(priv->rtllib, 1);
2761                        }
2762                }
2763                spin_lock_irqsave(&priv->irq_th_lock, flags);
2764        }
2765
2766        if (inta & IMR_COMDOK) {
2767                priv->stats.txcmdpktokint++;
2768                rtl8192_tx_isr(dev, TXCMD_QUEUE);
2769        }
2770
2771        if (inta & IMR_HIGHDOK)
2772                rtl8192_tx_isr(dev, HIGH_QUEUE);
2773
2774        if (inta & IMR_ROK) {
2775                priv->stats.rxint++;
2776                priv->InterruptLog.nIMR_ROK++;
2777                tasklet_schedule(&priv->irq_rx_tasklet);
2778        }
2779
2780        if (inta & IMR_BcnInt) {
2781                RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2782                tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2783        }
2784
2785        if (inta & IMR_RDU) {
2786                RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2787                priv->stats.rxrdu++;
2788                write_nic_dword(dev, INTA_MASK,
2789                                read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2790                tasklet_schedule(&priv->irq_rx_tasklet);
2791        }
2792
2793        if (inta & IMR_RXFOVW) {
2794                RT_TRACE(COMP_INTR, "rx overflow !\n");
2795                priv->stats.rxoverflow++;
2796                tasklet_schedule(&priv->irq_rx_tasklet);
2797        }
2798
2799        if (inta & IMR_TXFOVW)
2800                priv->stats.txoverflow++;
2801
2802        if (inta & IMR_BKDOK) {
2803                RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2804                priv->stats.txbkokint++;
2805                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2806                rtl8192_tx_isr(dev, BK_QUEUE);
2807        }
2808
2809        if (inta & IMR_BEDOK) {
2810                RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2811                priv->stats.txbeokint++;
2812                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2813                rtl8192_tx_isr(dev, BE_QUEUE);
2814        }
2815
2816        if (inta & IMR_VIDOK) {
2817                RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2818                priv->stats.txviokint++;
2819                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2820                rtl8192_tx_isr(dev, VI_QUEUE);
2821        }
2822
2823        if (inta & IMR_VODOK) {
2824                priv->stats.txvookint++;
2825                RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2826                priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2827                rtl8192_tx_isr(dev, VO_QUEUE);
2828        }
2829
2830        spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2831
2832done:
2833
2834        return IRQ_HANDLED;
2835}
2836
2837
2838
2839/****************************************************************************
2840        ---------------------------- PCI_STUFF---------------------------
2841*****************************************************************************/
2842#ifdef HAVE_NET_DEVICE_OPS
2843static const struct net_device_ops rtl8192_netdev_ops = {
2844        .ndo_open = rtl8192_open,
2845        .ndo_stop = rtl8192_close,
2846        .ndo_tx_timeout = rtl8192_tx_timeout,
2847        .ndo_do_ioctl = rtl8192_ioctl,
2848        .ndo_set_rx_mode = r8192_set_multicast,
2849        .ndo_set_mac_address = r8192_set_mac_adr,
2850        .ndo_validate_addr = eth_validate_addr,
2851        .ndo_change_mtu = eth_change_mtu,
2852        .ndo_start_xmit = rtllib_xmit,
2853};
2854#endif
2855
2856static int __devinit 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#ifdef HAVE_NET_DEVICE_OPS
2942        dev->netdev_ops = &rtl8192_netdev_ops;
2943#else
2944        dev->open = rtl8192_open;
2945        dev->stop = rtl8192_close;
2946        dev->tx_timeout = rtl8192_tx_timeout;
2947        dev->do_ioctl = rtl8192_ioctl;
2948        dev->set_multicast_list = r8192_set_multicast;
2949        dev->set_mac_address = r8192_set_mac_adr;
2950        dev->hard_start_xmit = rtllib_xmit;
2951#endif
2952
2953        dev->wireless_handlers = (struct iw_handler_def *)
2954                                 &r8192_wx_handlers_def;
2955        dev->ethtool_ops = &rtl819x_ethtool_ops;
2956
2957        dev->type = ARPHRD_ETHER;
2958        dev->watchdog_timeo = HZ * 3;
2959
2960        if (dev_alloc_name(dev, ifname) < 0) {
2961                RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying "
2962                         "wlan%%d...\n");
2963                        dev_alloc_name(dev, ifname);
2964        }
2965
2966        RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2967        if (rtl8192_init(dev) != 0) {
2968                RT_TRACE(COMP_ERR, "Initialization failed");
2969                goto err_free_irq;
2970        }
2971
2972        netif_carrier_off(dev);
2973        netif_stop_queue(dev);
2974
2975        register_netdev(dev);
2976        RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2977        err = rtl_debug_module_init(priv, dev->name);
2978        if (err)
2979                RT_TRACE(COMP_DBG, "failed to create debugfs files. Ignoring "
2980                         "error: %d\n", err);
2981        rtl8192_proc_init_one(dev);
2982
2983        if (priv->polling_timer_on == 0)
2984                check_rfctrl_gpio_timer((unsigned long)dev);
2985
2986        RT_TRACE(COMP_INIT, "Driver probe completed\n");
2987        return 0;
2988
2989err_free_irq:
2990        free_irq(dev->irq, dev);
2991        priv->irq = 0;
2992err_rel_mem:
2993        release_mem_region(pmem_start, pmem_len);
2994err_rel_rtllib:
2995        free_rtllib(dev);
2996
2997        DMESG("wlan driver load failed\n");
2998        pci_set_drvdata(pdev, NULL);
2999err_pci_disable:
3000        pci_disable_device(pdev);
3001        return err;
3002}
3003
3004static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
3005{
3006        struct net_device *dev = pci_get_drvdata(pdev);
3007        struct r8192_priv *priv ;
3008        u32 i;
3009
3010        if (dev) {
3011                unregister_netdev(dev);
3012
3013                priv = rtllib_priv(dev);
3014
3015                del_timer_sync(&priv->gpio_polling_timer);
3016                cancel_delayed_work(&priv->gpio_change_rf_wq);
3017                priv->polling_timer_on = 0;
3018                rtl_debug_module_remove(priv);
3019                rtl8192_proc_remove_one(dev);
3020                rtl8192_down(dev, true);
3021                deinit_hal_dm(dev);
3022                if (priv->pFirmware) {
3023                        vfree(priv->pFirmware);
3024                        priv->pFirmware = NULL;
3025                }
3026                destroy_workqueue(priv->priv_wq);
3027                rtl8192_free_rx_ring(dev);
3028                for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
3029                        rtl8192_free_tx_ring(dev, i);
3030
3031                if (priv->irq) {
3032                        printk(KERN_INFO "Freeing irq %d\n", dev->irq);
3033                        free_irq(dev->irq, dev);
3034                        priv->irq = 0;
3035                }
3036                free_rtllib(dev);
3037
3038                kfree(priv->scan_cmd);
3039
3040                if (dev->mem_start != 0) {
3041                        iounmap((void __iomem *)dev->mem_start);
3042                        release_mem_region(pci_resource_start(pdev, 1),
3043                                        pci_resource_len(pdev, 1));
3044                }
3045        } else {
3046                priv = rtllib_priv(dev);
3047        }
3048
3049        pci_disable_device(pdev);
3050        RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3051}
3052
3053bool NicIFEnableNIC(struct net_device *dev)
3054{
3055        bool init_status = true;
3056        struct r8192_priv *priv = rtllib_priv(dev);
3057        struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3058                                        (&(priv->rtllib->PowerSaveControl));
3059
3060        if (IS_NIC_DOWN(priv)) {
3061                RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3062                         __func__);
3063                priv->bdisable_nic = false;
3064                return RT_STATUS_FAILURE;
3065        }
3066
3067        RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3068        priv->bfirst_init = true;
3069        init_status = priv->ops->initialize_adapter(dev);
3070        if (init_status != true) {
3071                RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3072                         __func__);
3073                priv->bdisable_nic = false;
3074                return -1;
3075        }
3076        RT_TRACE(COMP_INIT, "start adapter finished\n");
3077        RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3078        priv->bfirst_init = false;
3079
3080        rtl8192_irq_enable(dev);
3081        priv->bdisable_nic = false;
3082        RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3083        return init_status;
3084}
3085bool NicIFDisableNIC(struct net_device *dev)
3086{
3087        bool    status = true;
3088        struct r8192_priv *priv = rtllib_priv(dev);
3089        u8 tmp_state = 0;
3090        RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3091        priv->bdisable_nic = true;
3092        tmp_state = priv->rtllib->state;
3093        rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3094        priv->rtllib->state = tmp_state;
3095        rtl8192_cancel_deferred_work(priv);
3096        rtl8192_irq_disable(dev);
3097
3098        priv->ops->stop_adapter(dev, false);
3099        RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3100
3101        return status;
3102}
3103
3104static int __init rtl8192_pci_module_init(void)
3105{
3106        int ret;
3107        int error;
3108
3109        ret = rtllib_init();
3110        if (ret) {
3111                printk(KERN_ERR "rtllib_init() failed %d\n", ret);
3112                return ret;
3113        }
3114        ret = rtllib_crypto_init();
3115        if (ret) {
3116                printk(KERN_ERR "rtllib_crypto_init() failed %d\n", ret);
3117                return ret;
3118        }
3119        ret = rtllib_crypto_tkip_init();
3120        if (ret) {
3121                printk(KERN_ERR "rtllib_crypto_tkip_init() failed %d\n", ret);
3122                return ret;
3123        }
3124        ret = rtllib_crypto_ccmp_init();
3125        if (ret) {
3126                printk(KERN_ERR "rtllib_crypto_ccmp_init() failed %d\n", ret);
3127                return ret;
3128        }
3129        ret = rtllib_crypto_wep_init();
3130        if (ret) {
3131                printk(KERN_ERR "rtllib_crypto_wep_init() failed %d\n", ret);
3132                return ret;
3133        }
3134        printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3135        printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3136
3137        error = rtl_create_debugfs_root();
3138        if (error) {
3139                RT_TRACE(COMP_DBG, "Create debugfs root fail: %d\n", error);
3140                goto err_out;
3141        }
3142
3143        rtl8192_proc_module_init();
3144        if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3145                DMESG("No device found");
3146                /*pci_unregister_driver (&rtl8192_pci_driver);*/
3147                return -ENODEV;
3148        }
3149        return 0;
3150err_out:
3151        return error;
3152
3153}
3154
3155static void __exit rtl8192_pci_module_exit(void)
3156{
3157        pci_unregister_driver(&rtl8192_pci_driver);
3158
3159        RT_TRACE(COMP_DOWN, "Exiting");
3160        rtl8192_proc_module_remove();
3161        rtl_remove_debugfs_root();
3162        rtllib_crypto_tkip_exit();
3163        rtllib_crypto_ccmp_exit();
3164        rtllib_crypto_wep_exit();
3165        rtllib_crypto_deinit();
3166        rtllib_exit();
3167}
3168
3169void check_rfctrl_gpio_timer(unsigned long data)
3170{
3171        struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3172
3173        priv->polling_timer_on = 1;
3174
3175        queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3176
3177        mod_timer(&priv->gpio_polling_timer, jiffies +
3178                  MSECS(RTLLIB_WATCH_DOG_TIME));
3179}
3180
3181/***************************************************************************
3182        ------------------- module init / exit stubs ----------------
3183****************************************************************************/
3184module_init(rtl8192_pci_module_init);
3185module_exit(rtl8192_pci_module_exit);
3186
3187MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3188MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3189MODULE_VERSION(DRV_VERSION);
3190MODULE_LICENSE("GPL");
3191
3192module_param(ifname, charp, S_IRUGO|S_IWUSR);
3193module_param(hwwep, int, S_IRUGO|S_IWUSR);
3194module_param(channels, int, S_IRUGO|S_IWUSR);
3195
3196MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3197MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3198MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
3199
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