drivers/staging/rtl8192e/rtl8192e/rtl_core.c

   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 <andrea.merello@gmail.com>, et al.
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of version 2 of the GNU General Public License as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  18  *
  19  * The full GNU General Public License is included in this distribution in the
  20  * file called LICENSE.
  21  *
  22  * Contact Information:
  23  * wlanfae <wlanfae@realtek.com>
  24 ******************************************************************************/
  25 #undef RX_DONT_PASS_UL
  26 #undef DEBUG_EPROM
  27 #undef DEBUG_RX_VERBOSE
  28 #undef DUMMY_RX
  29 #undef DEBUG_ZERO_RX
  30 #undef DEBUG_RX_SKB
  31 #undef DEBUG_TX_FRAG
  32 #undef DEBUG_RX_FRAG
  33 #undef DEBUG_TX_FILLDESC
  34 #undef DEBUG_TX
  35 #undef DEBUG_IRQ
  36 #undef DEBUG_RX
  37 #undef DEBUG_RXALLOC
  38 #undef DEBUG_REGISTERS
  39 #undef DEBUG_RING
  40 #undef DEBUG_IRQ_TASKLET
  41 #undef DEBUG_TX_ALLOC
  42 #undef DEBUG_TX_DESC
  43
  44 #include <linux/uaccess.h>
  45 #include <linux/pci.h>
  46 #include <linux/vmalloc.h>
  47 #include "rtl_core.h"
  48 #include "r8192E_phy.h"
  49 #include "r8192E_phyreg.h"
  50 #include "r8190P_rtl8256.h"
  51 #include "r8192E_cmdpkt.h"
  52
  53 #include "rtl_wx.h"
  54 #include "rtl_dm.h"
  55
  56 #include "rtl_pm.h"
  57
  58 int hwwep = 1;
  59 static int channels = 0x3fff;
  60 static char *ifname = "wlan%d";
  61
  62
  63 static struct rtl819x_ops rtl819xp_ops = {
  64         .nic_type                       = NIC_8192E,
  65         .get_eeprom_size                = rtl8192_get_eeprom_size,
  66         .init_adapter_variable          = rtl8192_InitializeVariables,
  67         .initialize_adapter             = rtl8192_adapter_start,
  68         .link_change                    = rtl8192_link_change,
  69         .tx_fill_descriptor             = rtl8192_tx_fill_desc,
  70         .tx_fill_cmd_descriptor         = rtl8192_tx_fill_cmd_desc,
  71         .rx_query_status_descriptor     = rtl8192_rx_query_status_desc,
  72         .rx_command_packet_handler = NULL,
  73         .stop_adapter                   = rtl8192_halt_adapter,
  74         .update_ratr_table              = rtl8192_update_ratr_table,
  75         .irq_enable                     = rtl8192_EnableInterrupt,
  76         .irq_disable                    = rtl8192_DisableInterrupt,
  77         .irq_clear                      = rtl8192_ClearInterrupt,
  78         .rx_enable                      = rtl8192_enable_rx,
  79         .tx_enable                      = rtl8192_enable_tx,
  80         .interrupt_recognized           = rtl8192_interrupt_recognized,
  81         .TxCheckStuckHandler            = rtl8192_HalTxCheckStuck,
  82         .RxCheckStuckHandler            = rtl8192_HalRxCheckStuck,
  83 };
  84
  85 static struct pci_device_id rtl8192_pci_id_tbl[] = {
  86         {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
  87         {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
  88         {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
  89         {}
  90 };
  91
  92 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
  93
  94 static int rtl8192_pci_probe(struct pci_dev *pdev,
  95                         const struct pci_device_id *id);
  96 static void rtl8192_pci_disconnect(struct pci_dev *pdev);
  97 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
  98
  99 static struct pci_driver rtl8192_pci_driver = {
 100         .name = DRV_NAME,       /* Driver name   */
 101         .id_table = rtl8192_pci_id_tbl, /* PCI_ID table  */
 102         .probe  = rtl8192_pci_probe,    /* probe fn      */
 103         .remove  = rtl8192_pci_disconnect,      /* remove fn */
 104         .suspend = rtl8192E_suspend,    /* PM suspend fn */
 105         .resume = rtl8192E_resume,                 /* PM resume fn  */
 106 };
 107
 108 /****************************************************************************
 109    -----------------------------IO STUFF-------------------------
 110 *****************************************************************************/
 111 static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
 112 {
 113         bool            bReturn = false;
 114
 115         *pu1bPageMask = 0xfe;
 116
 117         switch (u4bPage) {
 118         case 1: case 2: case 3: case 4:
 119         case 8: case 9: case 10: case 12: case 13:
 120                 bReturn = true;
 121                 *pu1bPageMask = 0xf0;
 122                 break;
 123
 124         default:
 125                 bReturn = false;
 126                 break;
 127         }
 128
 129         return bReturn;
 130 }
 131
 132 void write_nic_io_byte(struct net_device *dev, int x, u8 y)
 133 {
 134         u32 u4bPage = (x >> 8);
 135         u8 u1PageMask = 0;
 136         bool    bIsLegalPage = false;
 137
 138         if (u4bPage == 0) {
 139                 outb(y&0xff, dev->base_addr + x);
 140
 141         } else {
 142                 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 143                                &u1PageMask);
 144                 if (bIsLegalPage) {
 145                         u8 u1bPsr = read_nic_io_byte(dev, PSR);
 146
 147                         write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 148                                           (u8)u4bPage));
 149                         write_nic_io_byte(dev, (x & 0xff), y);
 150                         write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 151                 }
 152         }
 153 }
 154
 155 void write_nic_io_word(struct net_device *dev, int x, u16 y)
 156 {
 157         u32 u4bPage = (x >> 8);
 158         u8 u1PageMask = 0;
 159         bool    bIsLegalPage = false;
 160
 161         if (u4bPage == 0) {
 162                 outw(y, dev->base_addr + x);
 163         } else {
 164                 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 165                                                          &u1PageMask);
 166                 if (bIsLegalPage) {
 167                         u8 u1bPsr = read_nic_io_byte(dev, PSR);
 168
 169                         write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 170                                           (u8)u4bPage));
 171                         write_nic_io_word(dev, (x & 0xff), y);
 172                         write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 173
 174                 }
 175         }
 176 }
 177
 178 void write_nic_io_dword(struct net_device *dev, int x, u32 y)
 179 {
 180         u32 u4bPage = (x >> 8);
 181         u8 u1PageMask = 0;
 182         bool    bIsLegalPage = false;
 183
 184         if (u4bPage == 0) {
 185                 outl(y, dev->base_addr + x);
 186         } else {
 187                 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 188                                                  &u1PageMask);
 189                 if (bIsLegalPage) {
 190                         u8 u1bPsr = read_nic_io_byte(dev, PSR);
 191
 192                         write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 193                                           (u8)u4bPage));
 194                         write_nic_io_dword(dev, (x & 0xff), y);
 195                         write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 196                 }
 197         }
 198 }
 199
 200 u8 read_nic_io_byte(struct net_device *dev, int x)
 201 {
 202         u32 u4bPage = (x >> 8);
 203         u8 u1PageMask = 0;
 204         bool    bIsLegalPage = false;
 205         u8      Data = 0;
 206
 207         if (u4bPage == 0) {
 208                 return 0xff&inb(dev->base_addr + x);
 209         } else {
 210                 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 211                                                         &u1PageMask);
 212                 if (bIsLegalPage) {
 213                         u8 u1bPsr = read_nic_io_byte(dev, PSR);
 214
 215                         write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 216                                           (u8)u4bPage));
 217                         Data = read_nic_io_byte(dev, (x & 0xff));
 218                         write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 219                 }
 220         }
 221
 222         return Data;
 223 }
 224
 225 u16 read_nic_io_word(struct net_device *dev, int x)
 226 {
 227         u32 u4bPage = (x >> 8);
 228         u8 u1PageMask = 0;
 229         bool    bIsLegalPage = false;
 230         u16     Data = 0;
 231
 232         if (u4bPage == 0) {
 233                 return inw(dev->base_addr + x);
 234         } else {
 235                 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 236                                &u1PageMask);
 237                 if (bIsLegalPage) {
 238                         u8 u1bPsr = read_nic_io_byte(dev, PSR);
 239
 240                         write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 241                                           (u8)u4bPage));
 242                         Data = read_nic_io_word(dev, (x & 0xff));
 243                         write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 244
 245                 }
 246         }
 247
 248         return Data;
 249 }
 250
 251 u32 read_nic_io_dword(struct net_device *dev, int x)
 252 {
 253         u32 u4bPage = (x >> 8);
 254         u8 u1PageMask = 0;
 255         bool    bIsLegalPage = false;
 256         u32     Data = 0;
 257
 258         if (u4bPage == 0) {
 259                 return inl(dev->base_addr + x);
 260         } else {
 261                 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 262                                &u1PageMask);
 263                 if (bIsLegalPage) {
 264                         u8 u1bPsr = read_nic_io_byte(dev, PSR);
 265
 266                         write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
 267                                           (u8)u4bPage));
 268                         Data = read_nic_io_dword(dev, (x & 0xff));
 269                         write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 270
 271                 }
 272         }
 273
 274         return Data;
 275 }
 276
 277 u8 read_nic_byte(struct net_device *dev, int x)
 278 {
 279         return 0xff & readb((u8 __iomem *)dev->mem_start + x);
 280 }
 281
 282 u32 read_nic_dword(struct net_device *dev, int x)
 283 {
 284         return readl((u8 __iomem *)dev->mem_start + x);
 285 }
 286
 287 u16 read_nic_word(struct net_device *dev, int x)
 288 {
 289         return readw((u8 __iomem *)dev->mem_start + x);
 290 }
 291
 292 void write_nic_byte(struct net_device *dev, int x, u8 y)
 293 {
 294         writeb(y, (u8 __iomem *)dev->mem_start + x);
 295
 296         udelay(20);
 297 }
 298
 299 void write_nic_dword(struct net_device *dev, int x, u32 y)
 300 {
 301         writel(y, (u8 __iomem *)dev->mem_start + x);
 302
 303         udelay(20);
 304 }
 305
 306 void write_nic_word(struct net_device *dev, int x, u16 y)
 307 {
 308         writew(y, (u8 __iomem *)dev->mem_start + x);
 309
 310         udelay(20);
 311 }
 312
 313 /****************************************************************************
 314    -----------------------------GENERAL FUNCTION-------------------------
 315 *****************************************************************************/
 316 bool MgntActSet_RF_State(struct net_device *dev,
 317                          enum rt_rf_power_state StateToSet,
 318                          RT_RF_CHANGE_SOURCE ChangeSource,
 319                          bool   ProtectOrNot)
 320 {
 321         struct r8192_priv *priv = rtllib_priv(dev);
 322         struct rtllib_device *ieee = priv->rtllib;
 323         bool                    bActionAllowed = false;
 324         bool                    bConnectBySSID = false;
 325         enum rt_rf_power_state rtState;
 326         u16                     RFWaitCounter = 0;
 327         unsigned long flag;
 328         RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): "
 329                  "StateToSet(%d)\n", StateToSet);
 330
 331         ProtectOrNot = false;
 332
 333
 334         if (!ProtectOrNot) {
 335                 while (true) {
 336                         spin_lock_irqsave(&priv->rf_ps_lock, flag);
 337                         if (priv->RFChangeInProgress) {
 338                                 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 339                                 RT_TRACE((COMP_PS | COMP_RF),
 340                                          "MgntActSet_RF_State(): RF Change in "
 341                                          "progress! Wait to set..StateToSet"
 342                                          "(%d).\n", StateToSet);
 343
 344                                 while (priv->RFChangeInProgress) {
 345                                         RFWaitCounter++;
 346                                         RT_TRACE((COMP_PS | COMP_RF),
 347                                                  "MgntActSet_RF_State(): Wait 1"
 348                                                  " ms (%d times)...\n",
 349                                                  RFWaitCounter);
 350                                         mdelay(1);
 351
 352                                         if (RFWaitCounter > 100) {
 353                                                 RT_TRACE(COMP_ERR, "MgntActSet_"
 354                                                          "RF_State(): Wait too "
 355                                                          "logn to set RF\n");
 356                                                 return false;
 357                                         }
 358                                 }
 359                         } else {
 360                                 priv->RFChangeInProgress = true;
 361                                 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 362                                 break;
 363                         }
 364                 }
 365         }
 366
 367         rtState = priv->rtllib->eRFPowerState;
 368
 369         switch (StateToSet) {
 370         case eRfOn:
 371                 priv->rtllib->RfOffReason &= (~ChangeSource);
 372
 373                 if ((ChangeSource == RF_CHANGE_BY_HW) &&
 374                     (priv->bHwRadioOff == true))
 375                         priv->bHwRadioOff = false;
 376
 377                 if (!priv->rtllib->RfOffReason) {
 378                         priv->rtllib->RfOffReason = 0;
 379                         bActionAllowed = true;
 380
 381
 382                         if (rtState == eRfOff &&
 383                             ChangeSource >= RF_CHANGE_BY_HW)
 384                                 bConnectBySSID = true;
 385                 } else {
 386                         RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - "
 387                                  "eRfon reject pMgntInfo->RfOffReason= 0x%x,"
 388                                  " ChangeSource=0x%X\n",
 389                                   priv->rtllib->RfOffReason, ChangeSource);
 390         }
 391
 392                 break;
 393
 394         case eRfOff:
 395
 396                 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
 397                     (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
 398                         if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
 399                             (ChangeSource > RF_CHANGE_BY_IPS)) {
 400                                 if (ieee->state == RTLLIB_LINKED)
 401                                         priv->blinked_ingpio = true;
 402                                 else
 403                                         priv->blinked_ingpio = false;
 404                                 rtllib_MgntDisconnect(priv->rtllib,
 405                                                       disas_lv_ss);
 406                         }
 407                 }
 408                 if ((ChangeSource == RF_CHANGE_BY_HW) &&
 409                      (priv->bHwRadioOff == false))
 410                         priv->bHwRadioOff = true;
 411                 priv->rtllib->RfOffReason |= ChangeSource;
 412                 bActionAllowed = true;
 413                 break;
 414
 415         case eRfSleep:
 416                 priv->rtllib->RfOffReason |= ChangeSource;
 417                 bActionAllowed = true;
 418                 break;
 419
 420         default:
 421                 break;
 422         }
 423
 424         if (bActionAllowed) {
 425                 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is"
 426                          " allowed.... StateToSet(%d), RfOffReason(%#X)\n",
 427                          StateToSet, priv->rtllib->RfOffReason);
 428                 PHY_SetRFPowerState(dev, StateToSet);
 429                 if (StateToSet == eRfOn) {
 430
 431                         if (bConnectBySSID && (priv->blinked_ingpio == true)) {
 432                                 queue_delayed_work_rsl(ieee->wq,
 433                                          &ieee->associate_procedure_wq, 0);
 434                                 priv->blinked_ingpio = false;
 435                         }
 436                 }
 437         } else {
 438                 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): "
 439                          "Action is rejected.... StateToSet(%d), ChangeSource"
 440                          "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource,
 441                          priv->rtllib->RfOffReason);
 442         }
 443
 444         if (!ProtectOrNot) {
 445                 spin_lock_irqsave(&priv->rf_ps_lock, flag);
 446                 priv->RFChangeInProgress = false;
 447                 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
 448         }
 449
 450         RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
 451         return bActionAllowed;
 452 }
 453
 454
 455 static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
 456 {
 457         struct r8192_priv *priv = rtllib_priv(dev);
 458         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 459
 460         /* For now, we reserved two free descriptor as a safety boundary
 461         * between the tail and the head
 462         */
 463         if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
 464                 RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d "
 465                          "queue_len=%d---------\n", prio, ring->idx,
 466                          skb_queue_len(&ring->queue));
 467         return skb_queue_len(&ring->queue);
 468 }
 469
 470 static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
 471 {
 472         struct r8192_priv *priv = rtllib_priv(dev);
 473         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 474
 475         if (ring->entries - skb_queue_len(&ring->queue) >= 2)
 476                 return 1;
 477         return 0;
 478 }
 479
 480 void rtl8192_tx_timeout(struct net_device *dev)
 481 {
 482         struct r8192_priv *priv = rtllib_priv(dev);
 483
 484         schedule_work(&priv->reset_wq);
 485         printk(KERN_INFO "TXTIMEOUT");
 486 }
 487
 488 void rtl8192_irq_enable(struct net_device *dev)
 489 {
 490         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 491         priv->irq_enabled = 1;
 492
 493         priv->ops->irq_enable(dev);
 494 }
 495
 496 void rtl8192_irq_disable(struct net_device *dev)
 497 {
 498         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 499
 500         priv->ops->irq_disable(dev);
 501
 502         priv->irq_enabled = 0;
 503 }
 504
 505 void rtl8192_set_chan(struct net_device *dev, short ch)
 506 {
 507         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 508
 509         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 510         if (priv->chan_forced)
 511                 return;
 512
 513         priv->chan = ch;
 514
 515         if (priv->rf_set_chan)
 516                 priv->rf_set_chan(dev, priv->chan);
 517 }
 518
 519 void rtl8192_update_cap(struct net_device *dev, u16 cap)
 520 {
 521         struct r8192_priv *priv = rtllib_priv(dev);
 522         struct rtllib_network *net = &priv->rtllib->current_network;
 523         bool            ShortPreamble;
 524
 525         if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
 526                 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
 527                         ShortPreamble = true;
 528                         priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
 529                         RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_"
 530                                  "PREAMBLE\n", __func__);
 531                         priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
 532                                         (unsigned char *)&ShortPreamble);
 533                 }
 534         } else {
 535                 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
 536                         ShortPreamble = false;
 537                         priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
 538                         RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_"
 539                                  "PREAMBLE\n", __func__);
 540                         priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
 541                                               (unsigned char *)&ShortPreamble);
 542                 }
 543         }
 544
 545         if (net->mode & (IEEE_G|IEEE_N_24G)) {
 546                 u8      slot_time_val;
 547                 u8      CurSlotTime = priv->slot_time;
 548
 549                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
 550                    (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
 551                         if (CurSlotTime != SHORT_SLOT_TIME) {
 552                                 slot_time_val = SHORT_SLOT_TIME;
 553                                 priv->rtllib->SetHwRegHandler(dev,
 554                                          HW_VAR_SLOT_TIME, &slot_time_val);
 555                         }
 556                 } else {
 557                         if (CurSlotTime != NON_SHORT_SLOT_TIME) {
 558                                 slot_time_val = NON_SHORT_SLOT_TIME;
 559                                 priv->rtllib->SetHwRegHandler(dev,
 560                                          HW_VAR_SLOT_TIME, &slot_time_val);
 561                         }
 562                 }
 563         }
 564 }
 565
 566 static struct rtllib_qos_parameters def_qos_parameters = {
 567         {3, 3, 3, 3},
 568         {7, 7, 7, 7},
 569         {2, 2, 2, 2},
 570         {0, 0, 0, 0},
 571         {0, 0, 0, 0}
 572 };
 573
 574 static void rtl8192_update_beacon(void *data)
 575 {
 576         struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
 577                                   update_beacon_wq.work);
 578         struct net_device *dev = priv->rtllib->dev;
 579         struct rtllib_device *ieee = priv->rtllib;
 580         struct rtllib_network *net = &ieee->current_network;
 581
 582         if (ieee->pHTInfo->bCurrentHTSupport)
 583                 HT_update_self_and_peer_setting(ieee, net);
 584         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
 585                  net->bssht.bdRT2RTLongSlotTime;
 586         ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
 587         rtl8192_update_cap(dev, net->capability);
 588 }
 589
 590 int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
 591
 592 static void rtl8192_qos_activate(void *data)
 593 {
 594         struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
 595                                   qos_activate);
 596         struct net_device *dev = priv->rtllib->dev;
 597         int i;
 598
 599         mutex_lock(&priv->mutex);
 600         if (priv->rtllib->state != RTLLIB_LINKED)
 601                 goto success;
 602         RT_TRACE(COMP_QOS, "qos active process with associate response "
 603                  "received\n");
 604
 605         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
 606                 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
 607         }
 608
 609 success:
 610         mutex_unlock(&priv->mutex);
 611 }
 612
 613 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
 614                 int active_network,
 615                 struct rtllib_network *network)
 616 {
 617         int ret = 0;
 618         u32 size = sizeof(struct rtllib_qos_parameters);
 619
 620         if (priv->rtllib->state != RTLLIB_LINKED)
 621                 return ret;
 622
 623         if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
 624                 return ret;
 625
 626         if (network->flags & NETWORK_HAS_QOS_MASK) {
 627                 if (active_network &&
 628                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
 629                         network->qos_data.active = network->qos_data.supported;
 630
 631                 if ((network->qos_data.active == 1) && (active_network == 1) &&
 632                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
 633                                 (network->qos_data.old_param_count !=
 634                                 network->qos_data.param_count)) {
 635                         network->qos_data.old_param_count =
 636                                 network->qos_data.param_count;
 637         priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
 638                         queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 639                         RT_TRACE(COMP_QOS, "QoS parameters change call "
 640                                         "qos_activate\n");
 641                 }
 642         } else {
 643                 memcpy(&priv->rtllib->current_network.qos_data.parameters,
 644                        &def_qos_parameters, size);
 645
 646                 if ((network->qos_data.active == 1) && (active_network == 1)) {
 647                         queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 648                         RT_TRACE(COMP_QOS, "QoS was disabled call qos_"
 649                                  "activate\n");
 650                 }
 651                 network->qos_data.active = 0;
 652                 network->qos_data.supported = 0;
 653         }
 654
 655         return 0;
 656 }
 657
 658 static int rtl8192_handle_beacon(struct net_device *dev,
 659         struct rtllib_beacon *beacon,
 660         struct rtllib_network *network)
 661 {
 662         struct r8192_priv *priv = rtllib_priv(dev);
 663
 664         rtl8192_qos_handle_probe_response(priv, 1, network);
 665
 666         queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
 667         return 0;
 668
 669 }
 670
 671 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
 672         struct rtllib_network *network)
 673 {
 674         int ret = 0;
 675         unsigned long flags;
 676         u32 size = sizeof(struct rtllib_qos_parameters);
 677         int set_qos_param = 0;
 678
 679         if ((priv == NULL) || (network == NULL))
 680                 return ret;
 681
 682         if (priv->rtllib->state != RTLLIB_LINKED)
 683                 return ret;
 684
 685         if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
 686                 return ret;
 687
 688         spin_lock_irqsave(&priv->rtllib->lock, flags);
 689         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
 690                 memcpy(&priv->rtllib->current_network.qos_data.parameters,
 691                        &network->qos_data.parameters,
 692                        sizeof(struct rtllib_qos_parameters));
 693                 priv->rtllib->current_network.qos_data.active = 1;
 694                 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
 695                 set_qos_param = 1;
 696                 priv->rtllib->current_network.qos_data.old_param_count =
 697                         priv->rtllib->current_network.qos_data.param_count;
 698                 priv->rtllib->current_network.qos_data.param_count =
 699                         network->qos_data.param_count;
 700         } else {
 701                 memcpy(&priv->rtllib->current_network.qos_data.parameters,
 702                 &def_qos_parameters, size);
 703                 priv->rtllib->current_network.qos_data.active = 0;
 704                 priv->rtllib->current_network.qos_data.supported = 0;
 705                 set_qos_param = 1;
 706         }
 707
 708         spin_unlock_irqrestore(&priv->rtllib->lock, flags);
 709
 710         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
 711                  network->flags, priv->rtllib->current_network.qos_data.active);
 712         if (set_qos_param == 1) {
 713                 dm_init_edca_turbo(priv->rtllib->dev);
 714                 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
 715         }
 716         return ret;
 717 }
 718
 719 static int rtl8192_handle_assoc_response(struct net_device *dev,
 720                                  struct rtllib_assoc_response_frame *resp,
 721                                  struct rtllib_network *network)
 722 {
 723         struct r8192_priv *priv = rtllib_priv(dev);
 724         rtl8192_qos_association_resp(priv, network);
 725         return 0;
 726 }
 727
 728 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
 729 {
 730         struct net_device *dev = priv->rtllib->dev;
 731         struct sk_buff *pskb = NULL, *pnewskb = NULL;
 732         struct cb_desc *tcb_desc = NULL;
 733         struct rtl8192_tx_ring *ring = NULL;
 734         struct tx_desc *pdesc = NULL;
 735
 736         ring = &priv->tx_ring[BEACON_QUEUE];
 737         pskb = __skb_dequeue(&ring->queue);
 738         kfree_skb(pskb);
 739
 740         pnewskb = rtllib_get_beacon(priv->rtllib);
 741         if (!pnewskb)
 742                 return;
 743
 744         tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
 745         tcb_desc->queue_index = BEACON_QUEUE;
 746         tcb_desc->data_rate = 2;
 747         tcb_desc->RATRIndex = 7;
 748         tcb_desc->bTxDisableRateFallBack = 1;
 749         tcb_desc->bTxUseDriverAssingedRate = 1;
 750         skb_push(pnewskb, priv->rtllib->tx_headroom);
 751
 752         pdesc = &ring->desc[0];
 753         priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
 754         __skb_queue_tail(&ring->queue, pnewskb);
 755         pdesc->OWN = 1;
 756
 757         return;
 758 }
 759
 760 static void rtl8192_stop_beacon(struct net_device *dev)
 761 {
 762 }
 763
 764 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
 765 {
 766         struct r8192_priv *priv = rtllib_priv(dev);
 767         struct rtllib_network *net;
 768         u8 i = 0, basic_rate = 0;
 769         net = &priv->rtllib->current_network;
 770
 771         for (i = 0; i < net->rates_len; i++) {
 772                 basic_rate = net->rates[i] & 0x7f;
 773                 switch (basic_rate) {
 774                 case MGN_1M:
 775                         *rate_config |= RRSR_1M;
 776                         break;
 777                 case MGN_2M:
 778                         *rate_config |= RRSR_2M;
 779                         break;
 780                 case MGN_5_5M:
 781                         *rate_config |= RRSR_5_5M;
 782                         break;
 783                 case MGN_11M:
 784                         *rate_config |= RRSR_11M;
 785                         break;
 786                 case MGN_6M:
 787                         *rate_config |= RRSR_6M;
 788                         break;
 789                 case MGN_9M:
 790                         *rate_config |= RRSR_9M;
 791                         break;
 792                 case MGN_12M:
 793                         *rate_config |= RRSR_12M;
 794                         break;
 795                 case MGN_18M:
 796                         *rate_config |= RRSR_18M;
 797                         break;
 798                 case MGN_24M:
 799                         *rate_config |= RRSR_24M;
 800                         break;
 801                 case MGN_36M:
 802                         *rate_config |= RRSR_36M;
 803                         break;
 804                 case MGN_48M:
 805                         *rate_config |= RRSR_48M;
 806                         break;
 807                 case MGN_54M:
 808                         *rate_config |= RRSR_54M;
 809                         break;
 810                 }
 811         }
 812
 813         for (i = 0; i < net->rates_ex_len; i++) {
 814                 basic_rate = net->rates_ex[i] & 0x7f;
 815                 switch (basic_rate) {
 816                 case MGN_1M:
 817                         *rate_config |= RRSR_1M;
 818                         break;
 819                 case MGN_2M:
 820                         *rate_config |= RRSR_2M;
 821                         break;
 822                 case MGN_5_5M:
 823                         *rate_config |= RRSR_5_5M;
 824                         break;
 825                 case MGN_11M:
 826                         *rate_config |= RRSR_11M;
 827                         break;
 828                 case MGN_6M:
 829                         *rate_config |= RRSR_6M;
 830                         break;
 831                 case MGN_9M:
 832                         *rate_config |= RRSR_9M;
 833                         break;
 834                 case MGN_12M:
 835                         *rate_config |= RRSR_12M;
 836                         break;
 837                 case MGN_18M:
 838                         *rate_config |= RRSR_18M;
 839                         break;
 840                 case MGN_24M:
 841                         *rate_config |= RRSR_24M;
 842                         break;
 843                 case MGN_36M:
 844                         *rate_config |= RRSR_36M;
 845                         break;
 846                 case MGN_48M:
 847                         *rate_config |= RRSR_48M;
 848                         break;
 849                 case MGN_54M:
 850                         *rate_config |= RRSR_54M;
 851                         break;
 852                 }
 853         }
 854 }
 855
 856 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
 857 {
 858         struct rtllib_device *ieee = priv->rtllib;
 859         if (ieee->mode == WIRELESS_MODE_N_24G ||
 860             ieee->mode == WIRELESS_MODE_N_5G) {
 861                 memcpy(ieee->Regdot11HTOperationalRateSet,
 862                        ieee->RegHTSuppRateSet, 16);
 863                 memcpy(ieee->Regdot11TxHTOperationalRateSet,
 864                        ieee->RegHTSuppRateSet, 16);
 865
 866         } else {
 867                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
 868         }
 869         return;
 870 }
 871
 872 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
 873 {
 874         struct r8192_priv *priv = rtllib_priv(dev);
 875         u8 ret = 0;
 876
 877         switch (priv->rf_chip) {
 878         case RF_8225:
 879         case RF_8256:
 880         case RF_6052:
 881         case RF_PSEUDO_11N:
 882                 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
 883                 break;
 884         case RF_8258:
 885                 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
 886                 break;
 887         default:
 888                 ret = WIRELESS_MODE_B;
 889                 break;
 890         }
 891         return ret;
 892 }
 893
 894 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
 895 {
 896         struct r8192_priv *priv = rtllib_priv(dev);
 897         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
 898
 899         if ((wireless_mode == WIRELESS_MODE_AUTO) ||
 900             ((wireless_mode & bSupportMode) == 0)) {
 901                 if (bSupportMode & WIRELESS_MODE_N_24G) {
 902                         wireless_mode = WIRELESS_MODE_N_24G;
 903                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
 904                         wireless_mode = WIRELESS_MODE_N_5G;
 905                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
 906                         wireless_mode = WIRELESS_MODE_A;
 907                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
 908                         wireless_mode = WIRELESS_MODE_G;
 909                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
 910                         wireless_mode = WIRELESS_MODE_B;
 911                 } else {
 912                         RT_TRACE(COMP_ERR, "%s(), No valid wireless mode "
 913                                  "supported (%x)!!!\n", __func__, bSupportMode);
 914                         wireless_mode = WIRELESS_MODE_B;
 915                 }
 916         }
 917
 918         if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
 919             (WIRELESS_MODE_G | WIRELESS_MODE_B))
 920                 wireless_mode = WIRELESS_MODE_G;
 921
 922         priv->rtllib->mode = wireless_mode;
 923
 924         ActUpdateChannelAccessSetting(dev, wireless_mode,
 925                                       &priv->ChannelAccessSetting);
 926
 927         if ((wireless_mode == WIRELESS_MODE_N_24G) ||
 928             (wireless_mode == WIRELESS_MODE_N_5G)) {
 929                 priv->rtllib->pHTInfo->bEnableHT = 1;
 930         RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
 931                  __func__, wireless_mode);
 932         } else {
 933                 priv->rtllib->pHTInfo->bEnableHT = 0;
 934                 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
 935                          __func__, wireless_mode);
 936         }
 937
 938         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
 939         rtl8192_refresh_supportrate(priv);
 940 }
 941
 942 static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
 943 {
 944         struct r8192_priv *priv = rtllib_priv(dev);
 945         struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
 946                                         (&(priv->rtllib->PowerSaveControl));
 947         bool init_status = true;
 948         priv->bDriverIsGoingToUnload = false;
 949         priv->bdisable_nic = false;
 950
 951         priv->up = 1;
 952         priv->rtllib->ieee_up = 1;
 953
 954         priv->up_first_time = 0;
 955         RT_TRACE(COMP_INIT, "Bringing up iface");
 956         priv->bfirst_init = true;
 957         init_status = priv->ops->initialize_adapter(dev);
 958         if (init_status != true) {
 959                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
 960                          __func__);
 961                 priv->bfirst_init = false;
 962                 return -1;
 963         }
 964
 965         RT_TRACE(COMP_INIT, "start adapter finished\n");
 966         RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
 967         priv->bfirst_init = false;
 968
 969         if (priv->polling_timer_on == 0)
 970                 check_rfctrl_gpio_timer((unsigned long)dev);
 971
 972         if (priv->rtllib->state != RTLLIB_LINKED)
 973                 rtllib_softmac_start_protocol(priv->rtllib, 0);
 974         rtllib_reset_queue(priv->rtllib);
 975         watch_dog_timer_callback((unsigned long) dev);
 976
 977         if (!netif_queue_stopped(dev))
 978                 netif_start_queue(dev);
 979         else
 980                 netif_wake_queue(dev);
 981
 982         return 0;
 983 }
 984
 985 static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
 986 {
 987         struct r8192_priv *priv = rtllib_priv(dev);
 988         unsigned long flags = 0;
 989         u8 RFInProgressTimeOut = 0;
 990
 991         if (priv->up == 0)
 992                 return -1;
 993
 994         if (priv->rtllib->rtllib_ips_leave != NULL)
 995                 priv->rtllib->rtllib_ips_leave(dev);
 996
 997         if (priv->rtllib->state == RTLLIB_LINKED)
 998                 LeisurePSLeave(dev);
 999
1000         priv->bDriverIsGoingToUnload = true;
1001         priv->up = 0;
1002         priv->rtllib->ieee_up = 0;
1003         priv->bfirst_after_down = 1;
1004         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1005         if (!netif_queue_stopped(dev))
1006                 netif_stop_queue(dev);
1007
1008         priv->rtllib->wpa_ie_len = 0;
1009         kfree(priv->rtllib->wpa_ie);
1010         priv->rtllib->wpa_ie = NULL;
1011         CamResetAllEntry(dev);
1012         memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1013         rtl8192_irq_disable(dev);
1014
1015         del_timer_sync(&priv->watch_dog_timer);
1016         rtl8192_cancel_deferred_work(priv);
1017         cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1018
1019         rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1020         spin_lock_irqsave(&priv->rf_ps_lock, flags);
1021         while (priv->RFChangeInProgress) {
1022                 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1023                 if (RFInProgressTimeOut > 100) {
1024                         spin_lock_irqsave(&priv->rf_ps_lock, flags);
1025                         break;
1026                 }
1027                 RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait "
1028                          "until rf change is done.\n", __func__);
1029                 mdelay(1);
1030                 RFInProgressTimeOut++;
1031                 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1032         }
1033         priv->RFChangeInProgress = true;
1034         spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1035         priv->ops->stop_adapter(dev, false);
1036         spin_lock_irqsave(&priv->rf_ps_lock, flags);
1037         priv->RFChangeInProgress = false;
1038         spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1039         udelay(100);
1040         memset(&priv->rtllib->current_network, 0,
1041                offsetof(struct rtllib_network, list));
1042         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1043
1044         return 0;
1045 }
1046
1047 static void rtl8192_init_priv_handler(struct net_device *dev)
1048 {
1049         struct r8192_priv *priv = rtllib_priv(dev);
1050
1051         priv->rtllib->softmac_hard_start_xmit   = rtl8192_hard_start_xmit;
1052         priv->rtllib->set_chan                  = rtl8192_set_chan;
1053         priv->rtllib->link_change               = priv->ops->link_change;
1054         priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1055         priv->rtllib->data_hard_stop            = rtl8192_data_hard_stop;
1056         priv->rtllib->data_hard_resume          = rtl8192_data_hard_resume;
1057         priv->rtllib->check_nic_enough_desc     = rtl8192_check_nic_enough_desc;
1058         priv->rtllib->get_nic_desc_num          = rtl8192_get_nic_desc_num;
1059         priv->rtllib->handle_assoc_response     = rtl8192_handle_assoc_response;
1060         priv->rtllib->handle_beacon             = rtl8192_handle_beacon;
1061         priv->rtllib->SetWirelessMode           = rtl8192_SetWirelessMode;
1062         priv->rtllib->LeisurePSLeave            = LeisurePSLeave;
1063         priv->rtllib->SetBWModeHandler          = rtl8192_SetBWMode;
1064         priv->rf_set_chan                       = rtl8192_phy_SwChnl;
1065
1066         priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1067         priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1068
1069         priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1070         priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1071         priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1072
1073         priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1074         priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1075                                          rtl8192_GetHalfNmodeSupportByAPs;
1076
1077         priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1078         priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1079         priv->rtllib->SetFwCmdHandler = NULL;
1080         priv->rtllib->InitialGainHandler = InitialGain819xPci;
1081         priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1082         priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1083
1084         priv->rtllib->LedControlHandler = NULL;
1085         priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1086
1087         priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1088
1089         priv->rtllib->rtllib_rfkill_poll = NULL;
1090 }
1091
1092 static void rtl8192_init_priv_constant(struct net_device *dev)
1093 {
1094         struct r8192_priv *priv = rtllib_priv(dev);
1095         struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1096                                         &(priv->rtllib->PowerSaveControl);
1097
1098         pPSC->RegMaxLPSAwakeIntvl = 5;
1099
1100         priv->RegPciASPM = 2;
1101
1102         priv->RegDevicePciASPMSetting = 0x03;
1103
1104         priv->RegHostPciASPMSetting = 0x02;
1105
1106         priv->RegHwSwRfOffD3 = 2;
1107
1108         priv->RegSupportPciASPM = 2;
1109 }
1110
1111
1112 static void rtl8192_init_priv_variable(struct net_device *dev)
1113 {
1114         struct r8192_priv *priv = rtllib_priv(dev);
1115         u8 i;
1116
1117         priv->AcmMethod = eAcmWay2_SW;
1118         priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1119         priv->rtllib->hwscan_sem_up = 1;
1120         priv->rtllib->status = 0;
1121         priv->H2CTxCmdSeq = 0;
1122         priv->bDisableFrameBursting = 0;
1123         priv->bDMInitialGainEnable = 1;
1124         priv->polling_timer_on = 0;
1125         priv->up_first_time = 1;
1126         priv->blinked_ingpio = false;
1127         priv->bDriverIsGoingToUnload = false;
1128         priv->being_init_adapter = false;
1129         priv->initialized_at_probe = false;
1130         priv->sw_radio_on = true;
1131         priv->bdisable_nic = false;
1132         priv->bfirst_init = false;
1133         priv->txringcount = 64;
1134         priv->rxbuffersize = 9100;
1135         priv->rxringcount = MAX_RX_COUNT;
1136         priv->irq_enabled = 0;
1137         priv->chan = 1;
1138         priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1139         priv->RegChannelPlan = 0xf;
1140         priv->nrxAMPDU_size = 0;
1141         priv->nrxAMPDU_aggr_num = 0;
1142         priv->last_rxdesc_tsf_high = 0;
1143         priv->last_rxdesc_tsf_low = 0;
1144         priv->rtllib->mode = WIRELESS_MODE_AUTO;
1145         priv->rtllib->iw_mode = IW_MODE_INFRA;
1146         priv->rtllib->bNetPromiscuousMode = false;
1147         priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1148         priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1149                                                                  false;
1150         priv->rtllib->ieee_up = 0;
1151         priv->retry_rts = DEFAULT_RETRY_RTS;
1152         priv->retry_data = DEFAULT_RETRY_DATA;
1153         priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1154         priv->rtllib->rate = 110;
1155         priv->rtllib->short_slot = 1;
1156         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1157         priv->bcck_in_ch14 = false;
1158         priv->bfsync_processing  = false;
1159         priv->CCKPresentAttentuation = 0;
1160         priv->rfa_txpowertrackingindex = 0;
1161         priv->rfc_txpowertrackingindex = 0;
1162         priv->CckPwEnl = 6;
1163         priv->ScanDelay = 50;
1164         priv->ResetProgress = RESET_TYPE_NORESET;
1165         priv->bForcedSilentReset = 0;
1166         priv->bDisableNormalResetCheck = false;
1167         priv->force_reset = false;
1168         memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1169
1170         memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1171         priv->RxCounter = 0;
1172         priv->rtllib->wx_set_enc = 0;
1173         priv->bHwRadioOff = false;
1174         priv->RegRfOff = 0;
1175         priv->isRFOff = false;
1176         priv->bInPowerSaveMode = false;
1177         priv->rtllib->RfOffReason = 0;
1178         priv->RFChangeInProgress = false;
1179         priv->bHwRfOffAction = 0;
1180         priv->SetRFPowerStateInProgress = false;
1181         priv->rtllib->PowerSaveControl.bInactivePs = true;
1182         priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1183         priv->rtllib->PowerSaveControl.bLeisurePs = true;
1184         priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1185         priv->rtllib->LPSDelayCnt = 0;
1186         priv->rtllib->sta_sleep = LPS_IS_WAKE;
1187         priv->rtllib->eRFPowerState = eRfOn;
1188
1189         priv->txpower_checkcnt = 0;
1190         priv->thermal_readback_index = 0;
1191         priv->txpower_tracking_callback_cnt = 0;
1192         priv->ccktxpower_adjustcnt_ch14 = 0;
1193         priv->ccktxpower_adjustcnt_not_ch14 = 0;
1194
1195         priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1196         priv->rtllib->iw_mode = IW_MODE_INFRA;
1197         priv->rtllib->active_scan = 1;
1198         priv->rtllib->be_scan_inprogress = false;
1199         priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1200                                    RTLLIB_OFDM_MODULATION;
1201         priv->rtllib->host_encrypt = 1;
1202         priv->rtllib->host_decrypt = 1;
1203
1204         priv->rtllib->dot11PowerSaveMode = eActive;
1205         priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1206         priv->rtllib->MaxMssDensity = 0;
1207         priv->rtllib->MinSpaceCfg = 0;
1208
1209         priv->card_type = PCI;
1210
1211         priv->AcmControl = 0;
1212         priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1213         if (!priv->pFirmware)
1214                 printk(KERN_ERR "rtl8192e: Unable to allocate space "
1215                        "for firmware\n");
1216
1217         skb_queue_head_init(&priv->rx_queue);
1218         skb_queue_head_init(&priv->skb_queue);
1219
1220         for (i = 0; i < MAX_QUEUE_SIZE; i++)
1221                 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1222         for (i = 0; i < MAX_QUEUE_SIZE; i++)
1223                 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1224 }
1225
1226 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1227 {
1228         spin_lock_init(&priv->fw_scan_lock);
1229         spin_lock_init(&priv->tx_lock);
1230         spin_lock_init(&priv->irq_lock);
1231         spin_lock_init(&priv->irq_th_lock);
1232         spin_lock_init(&priv->rf_ps_lock);
1233         spin_lock_init(&priv->ps_lock);
1234         spin_lock_init(&priv->rf_lock);
1235         spin_lock_init(&priv->rt_h2c_lock);
1236         sema_init(&priv->wx_sem, 1);
1237         sema_init(&priv->rf_sem, 1);
1238         mutex_init(&priv->mutex);
1239 }
1240
1241 static void rtl8192_init_priv_task(struct net_device *dev)
1242 {
1243         struct r8192_priv *priv = rtllib_priv(dev);
1244
1245         priv->priv_wq = create_workqueue(DRV_NAME);
1246         INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1247         INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1248         INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1249                               (void *)rtl819x_watchdog_wqcallback, dev);
1250         INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1251                               (void *)dm_txpower_trackingcallback, dev);
1252         INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1253                               (void *)dm_rf_pathcheck_workitemcallback, dev);
1254         INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1255                               (void *)rtl8192_update_beacon, dev);
1256         INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1257         INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1258                               (void *) rtl8192_hw_wakeup_wq, dev);
1259         INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1260                               (void *) rtl8192_hw_sleep_wq, dev);
1261         tasklet_init(&priv->irq_rx_tasklet,
1262                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1263                      (unsigned long)priv);
1264         tasklet_init(&priv->irq_tx_tasklet,
1265                      (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1266                      (unsigned long)priv);
1267         tasklet_init(&priv->irq_prepare_beacon_tasklet,
1268                      (void(*)(unsigned long))rtl8192_prepare_beacon,
1269                      (unsigned long)priv);
1270 }
1271
1272 static short rtl8192_get_channel_map(struct net_device *dev)
1273 {
1274         int i;
1275
1276         struct r8192_priv *priv = rtllib_priv(dev);
1277         if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1278                         && (priv->rf_chip != RF_6052)) {
1279                 RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel "
1280                          "map\n", __func__);
1281                 return -1;
1282         }
1283
1284         if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1285                 printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
1286                        "default.\n");
1287                 priv->ChannelPlan = COUNTRY_CODE_FCC;
1288         }
1289         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1290         dot11d_init(priv->rtllib);
1291         Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1292         for (i = 1; i <= 11; i++)
1293                 (priv->rtllib->active_channel_map)[i] = 1;
1294         (priv->rtllib->active_channel_map)[12] = 2;
1295         (priv->rtllib->active_channel_map)[13] = 2;
1296
1297         return 0;
1298 }
1299
1300 static short rtl8192_init(struct net_device *dev)
1301 {
1302         struct r8192_priv *priv = rtllib_priv(dev);
1303
1304         memset(&(priv->stats), 0, sizeof(struct rt_stats));
1305
1306         rtl8192_init_priv_handler(dev);
1307         rtl8192_init_priv_constant(dev);
1308         rtl8192_init_priv_variable(dev);
1309         rtl8192_init_priv_lock(priv);
1310         rtl8192_init_priv_task(dev);
1311         priv->ops->get_eeprom_size(dev);
1312         priv->ops->init_adapter_variable(dev);
1313         rtl8192_get_channel_map(dev);
1314
1315         init_hal_dm(dev);
1316
1317         init_timer(&priv->watch_dog_timer);
1318         setup_timer(&priv->watch_dog_timer,
1319                     watch_dog_timer_callback,
1320                     (unsigned long) dev);
1321
1322         init_timer(&priv->gpio_polling_timer);
1323         setup_timer(&priv->gpio_polling_timer,
1324                     check_rfctrl_gpio_timer,
1325                     (unsigned long)dev);
1326
1327         rtl8192_irq_disable(dev);
1328         if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED,
1329             dev->name, dev)) {
1330                 printk(KERN_ERR "Error allocating IRQ %d", dev->irq);
1331                 return -1;
1332         } else {
1333                 priv->irq = dev->irq;
1334                 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1335         }
1336
1337         if (rtl8192_pci_initdescring(dev) != 0) {
1338                 printk(KERN_ERR "Endopoints initialization failed");
1339                 free_irq(dev->irq, dev);
1340                 return -1;
1341         }
1342
1343         return 0;
1344 }
1345
1346 /***************************************************************************
1347         -------------------------------WATCHDOG STUFF---------------------------
1348 ***************************************************************************/
1349 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1350 {
1351         int i = 0;
1352         struct r8192_priv *priv = rtllib_priv(dev);
1353         for (i = 0; i <= MGNT_QUEUE; i++) {
1354                 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1355                         continue;
1356                 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1357                         printk(KERN_INFO "===>tx queue is not empty:%d, %d\n",
1358                                i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1359                         return 0;
1360                 }
1361         }
1362         return 1;
1363 }
1364
1365 static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1366 {
1367         struct r8192_priv *priv = rtllib_priv(dev);
1368         u8      QueueID;
1369         u8      ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1370         bool    bCheckFwTxCnt = false;
1371         struct rtl8192_tx_ring  *ring = NULL;
1372         struct sk_buff *skb = NULL;
1373         struct cb_desc *tcb_desc = NULL;
1374         unsigned long flags = 0;
1375
1376         switch (priv->rtllib->ps) {
1377         case RTLLIB_PS_DISABLED:
1378                 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1379                 break;
1380         case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1381                 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1382                 break;
1383         default:
1384                 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1385                 break;
1386         }
1387         spin_lock_irqsave(&priv->irq_th_lock, flags);
1388         for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1389                 if (QueueID == TXCMD_QUEUE)
1390                         continue;
1391
1392                 if (QueueID == BEACON_QUEUE)
1393                         continue;
1394
1395                 ring = &priv->tx_ring[QueueID];
1396
1397                 if (skb_queue_len(&ring->queue) == 0) {
1398                         continue;
1399                 } else {
1400                         skb = (&ring->queue)->next;
1401                         tcb_desc = (struct cb_desc *)(skb->cb +
1402                                     MAX_DEV_ADDR_SIZE);
1403                         tcb_desc->nStuckCount++;
1404                         bCheckFwTxCnt = true;
1405                         if (tcb_desc->nStuckCount > 1)
1406                                 printk(KERN_INFO "%s: QueueID=%d tcb_desc->n"
1407                                        "StuckCount=%d\n", __func__, QueueID,
1408                                        tcb_desc->nStuckCount);
1409                 }
1410         }
1411         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1412
1413         if (bCheckFwTxCnt) {
1414                 if (priv->ops->TxCheckStuckHandler(dev)) {
1415                         RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no"
1416                                  " Tx condition!\n");
1417                         return RESET_TYPE_SILENT;
1418                 }
1419         }
1420
1421         return RESET_TYPE_NORESET;
1422 }
1423
1424 static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1425 {
1426         struct r8192_priv *priv = rtllib_priv(dev);
1427
1428         if (priv->ops->RxCheckStuckHandler(dev)) {
1429                 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1430                 return RESET_TYPE_SILENT;
1431         }
1432
1433         return RESET_TYPE_NORESET;
1434 }
1435
1436 static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1437 {
1438         struct r8192_priv *priv = rtllib_priv(dev);
1439         enum reset_type TxResetType = RESET_TYPE_NORESET;
1440         enum reset_type RxResetType = RESET_TYPE_NORESET;
1441         enum rt_rf_power_state rfState;
1442
1443         rfState = priv->rtllib->eRFPowerState;
1444
1445         if (rfState == eRfOn)
1446                 TxResetType = rtl819x_TxCheckStuck(dev);
1447
1448         if (rfState == eRfOn &&
1449             (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1450             (priv->rtllib->state == RTLLIB_LINKED))
1451                 RxResetType = rtl819x_RxCheckStuck(dev);
1452
1453         if (TxResetType == RESET_TYPE_NORMAL ||
1454             RxResetType == RESET_TYPE_NORMAL) {
1455                 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1456                        __func__, TxResetType, RxResetType);
1457                 return RESET_TYPE_NORMAL;
1458         } else if (TxResetType == RESET_TYPE_SILENT ||
1459                    RxResetType == RESET_TYPE_SILENT) {
1460                 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1461                        __func__, TxResetType, RxResetType);
1462                 return RESET_TYPE_SILENT;
1463         } else {
1464                 return RESET_TYPE_NORESET;
1465         }
1466
1467 }
1468
1469 static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1470 {
1471 }
1472
1473 static void rtl819x_ifsilentreset(struct net_device *dev)
1474 {
1475         struct r8192_priv *priv = rtllib_priv(dev);
1476         u8      reset_times = 0;
1477         int reset_status = 0;
1478         struct rtllib_device *ieee = priv->rtllib;
1479         unsigned long flag;
1480
1481         u8 IsPortal = 0;
1482
1483
1484         if (priv->ResetProgress == RESET_TYPE_NORESET) {
1485
1486                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1487
1488                 priv->ResetProgress = RESET_TYPE_SILENT;
1489
1490                 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1491                 if (priv->RFChangeInProgress) {
1492                         spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1493                         goto END;
1494                 }
1495                 priv->RFChangeInProgress = true;
1496                 priv->bResetInProgress = true;
1497                 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1498
1499 RESET_START:
1500
1501                 down(&priv->wx_sem);
1502
1503                 if (priv->rtllib->state == RTLLIB_LINKED)
1504                         LeisurePSLeave(dev);
1505
1506                 if (IS_NIC_DOWN(priv)) {
1507                         RT_TRACE(COMP_ERR, "%s():the driver is not up! "
1508                                  "return\n", __func__);
1509                         up(&priv->wx_sem);
1510                         return ;
1511                 }
1512                 priv->up = 0;
1513
1514                 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1515                           __func__);
1516                 mdelay(1000);
1517                 RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start"
1518                          " to down the driver\n", __func__);
1519
1520                 if (!netif_queue_stopped(dev))
1521                         netif_stop_queue(dev);
1522
1523                 rtl8192_irq_disable(dev);
1524                 del_timer_sync(&priv->watch_dog_timer);
1525                 rtl8192_cancel_deferred_work(priv);
1526                 deinit_hal_dm(dev);
1527                 rtllib_stop_scan_syncro(ieee);
1528
1529                 if (ieee->state == RTLLIB_LINKED) {
1530                         SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1531                         printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n");
1532                         rtllib_stop_send_beacons(priv->rtllib);
1533                         del_timer_sync(&ieee->associate_timer);
1534                         cancel_delayed_work(&ieee->associate_retry_wq);
1535                         rtllib_stop_scan(ieee);
1536                         netif_carrier_off(dev);
1537                         SEM_UP_IEEE_WX(&ieee->wx_sem);
1538                 } else {
1539                         printk(KERN_INFO "ieee->state is NOT LINKED\n");
1540                         rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1541                 }
1542
1543                 dm_backup_dynamic_mechanism_state(dev);
1544
1545                 up(&priv->wx_sem);
1546                 RT_TRACE(COMP_RESET, "%s():<==========down process is "
1547                          "finished\n", __func__);
1548
1549                 RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1550                          __func__);
1551                 reset_status = _rtl8192_up(dev, true);
1552
1553                 RT_TRACE(COMP_RESET, "%s():<===========up process is "
1554                          "finished\n", __func__);
1555                 if (reset_status == -1) {
1556                         if (reset_times < 3) {
1557                                 reset_times++;
1558                                 goto RESET_START;
1559                         } else {
1560                                 RT_TRACE(COMP_ERR, " ERR!!! %s():  Reset "
1561                                          "Failed!!\n", __func__);
1562                         }
1563                 }
1564
1565                 ieee->is_silent_reset = 1;
1566
1567                 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1568                 priv->RFChangeInProgress = false;
1569                 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1570
1571                 EnableHWSecurityConfig8192(dev);
1572
1573                 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1574                     IW_MODE_INFRA) {
1575                         ieee->set_chan(ieee->dev,
1576                                        ieee->current_network.channel);
1577
1578                         queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1579
1580                 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1581                            IW_MODE_ADHOC) {
1582                         ieee->set_chan(ieee->dev,
1583                                        ieee->current_network.channel);
1584                         ieee->link_change(ieee->dev);
1585
1586                         notify_wx_assoc_event(ieee);
1587
1588                         rtllib_start_send_beacons(ieee);
1589
1590                         if (ieee->data_hard_resume)
1591                                 ieee->data_hard_resume(ieee->dev);
1592                         netif_carrier_on(ieee->dev);
1593                 } else if (ieee->iw_mode == IW_MODE_MESH) {
1594                         rtl819x_silentreset_mesh_bk(dev, IsPortal);
1595                 }
1596
1597                 CamRestoreAllEntry(dev);
1598                 dm_restore_dynamic_mechanism_state(dev);
1599 END:
1600                 priv->ResetProgress = RESET_TYPE_NORESET;
1601                 priv->reset_count++;
1602
1603                 priv->bForcedSilentReset = false;
1604                 priv->bResetInProgress = false;
1605
1606                 write_nic_byte(dev, UFWP, 1);
1607                 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1608                          priv->reset_count);
1609         }
1610 }
1611
1612 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1613                                     u32 *TotalRxDataNum)
1614 {
1615         u16     SlotIndex;
1616         u8      i;
1617
1618         *TotalRxBcnNum = 0;
1619         *TotalRxDataNum = 0;
1620
1621         SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1622                         (priv->rtllib->LinkDetectInfo.SlotNum);
1623         priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1624                         priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1625         priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1626                         priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1627         for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1628                 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1629                 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1630         }
1631 }
1632
1633
1634 void    rtl819x_watchdog_wqcallback(void *data)
1635 {
1636         struct r8192_priv *priv = container_of_dwork_rsl(data,
1637                                   struct r8192_priv, watch_dog_wq);
1638         struct net_device *dev = priv->rtllib->dev;
1639         struct rtllib_device *ieee = priv->rtllib;
1640         enum reset_type ResetType = RESET_TYPE_NORESET;
1641         static u8 check_reset_cnt;
1642         unsigned long flags;
1643         struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1644                                         (&(priv->rtllib->PowerSaveControl));
1645         bool bBusyTraffic = false;
1646         bool    bHigherBusyTraffic = false;
1647         bool    bHigherBusyRxTraffic = false;
1648         bool bEnterPS = false;
1649
1650         if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1651                 return;
1652
1653         if (priv->rtllib->state >= RTLLIB_LINKED) {
1654                 if (priv->rtllib->CntAfterLink < 2)
1655                         priv->rtllib->CntAfterLink++;
1656         } else {
1657                 priv->rtllib->CntAfterLink = 0;
1658         }
1659
1660         hal_dm_watchdog(dev);
1661
1662         if (rtllib_act_scanning(priv->rtllib, false) == false) {
1663                 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1664                      RTLLIB_NOLINK) &&
1665                      (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1666                      (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1667                         if ((ieee->PowerSaveControl.ReturnPoint ==
1668                              IPS_CALLBACK_NONE) &&
1669                              (!ieee->bNetPromiscuousMode)) {
1670                                 RT_TRACE(COMP_PS, "====================>haha: "
1671                                          "IPSEnter()\n");
1672                                 IPSEnter(dev);
1673                         }
1674                 }
1675         }
1676         if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1677              IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1678                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1679                 ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1680                         bBusyTraffic = true;
1681
1682
1683                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1684                     ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1685                         bHigherBusyTraffic = true;
1686                         if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1687                                 bHigherBusyRxTraffic = true;
1688                         else
1689                                 bHigherBusyRxTraffic = false;
1690                 }
1691
1692                 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1693                     ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1694                     (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1695                         bEnterPS = false;
1696                 else
1697                         bEnterPS = true;
1698
1699                 if (ieee->current_network.beacon_interval < 95)
1700                         bEnterPS = false;
1701
1702                 if (bEnterPS)
1703                         LeisurePSEnter(dev);
1704                 else
1705                         LeisurePSLeave(dev);
1706
1707         } else {
1708                 RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1709                 LeisurePSLeave(dev);
1710         }
1711
1712         ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1713         ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1714         ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1715         ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1716
1717         ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1718         ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1719
1720         if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1721                 u32     TotalRxBcnNum = 0;
1722                 u32     TotalRxDataNum = 0;
1723
1724                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1725
1726                 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1727                         priv->check_roaming_cnt++;
1728                 else
1729                         priv->check_roaming_cnt = 0;
1730
1731
1732                 if (priv->check_roaming_cnt > 0) {
1733                         if (ieee->eRFPowerState == eRfOff)
1734                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1735
1736                         printk(KERN_INFO "===>%s(): AP is power off, chan:%d,"
1737                                " connect another one\n", __func__, priv->chan);
1738
1739                         ieee->state = RTLLIB_ASSOCIATING;
1740
1741                         RemovePeerTS(priv->rtllib,
1742                                      priv->rtllib->current_network.bssid);
1743                         ieee->is_roaming = true;
1744                         ieee->is_set_key = false;
1745                         ieee->link_change(dev);
1746                         if (ieee->LedControlHandler)
1747                                 ieee->LedControlHandler(ieee->dev,
1748                                                         LED_CTL_START_TO_LINK);
1749
1750                         notify_wx_assoc_event(ieee);
1751
1752                         if (!(ieee->rtllib_ap_sec_type(ieee) &
1753                              (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1754                                 queue_delayed_work_rsl(ieee->wq,
1755                                         &ieee->associate_procedure_wq, 0);
1756
1757                         priv->check_roaming_cnt = 0;
1758                 }
1759                 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1760                 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1761
1762         }
1763
1764         spin_lock_irqsave(&priv->tx_lock, flags);
1765         if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1766             (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1767                 ResetType = rtl819x_ifcheck_resetornot(dev);
1768                 check_reset_cnt = 3;
1769         }
1770         spin_unlock_irqrestore(&priv->tx_lock, flags);
1771
1772         if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1773                 priv->ResetProgress = RESET_TYPE_NORMAL;
1774                 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1775                 return;
1776         }
1777
1778         if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1779               ResetType == RESET_TYPE_SILENT)))
1780                 rtl819x_ifsilentreset(dev);
1781         priv->force_reset = false;
1782         priv->bForcedSilentReset = false;
1783         priv->bResetInProgress = false;
1784         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1785 }
1786
1787 void watch_dog_timer_callback(unsigned long data)
1788 {
1789         struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1790         queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1791         mod_timer(&priv->watch_dog_timer, jiffies +
1792                   MSECS(RTLLIB_WATCH_DOG_TIME));
1793 }
1794
1795 /****************************************************************************
1796  ---------------------------- NIC TX/RX STUFF---------------------------
1797 *****************************************************************************/
1798 void rtl8192_rx_enable(struct net_device *dev)
1799 {
1800         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1801         priv->ops->rx_enable(dev);
1802 }
1803
1804 void rtl8192_tx_enable(struct net_device *dev)
1805 {
1806         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1807
1808         priv->ops->tx_enable(dev);
1809
1810         rtllib_reset_queue(priv->rtllib);
1811 }
1812
1813
1814 static void rtl8192_free_rx_ring(struct net_device *dev)
1815 {
1816         struct r8192_priv *priv = rtllib_priv(dev);
1817         int i, rx_queue_idx;
1818
1819         for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1820              rx_queue_idx++) {
1821                 for (i = 0; i < priv->rxringcount; i++) {
1822                         struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1823                         if (!skb)
1824                                 continue;
1825
1826                         pci_unmap_single(priv->pdev,
1827                                 *((dma_addr_t *)skb->cb),
1828                                 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1829                                 kfree_skb(skb);
1830                 }
1831
1832                 pci_free_consistent(priv->pdev,
1833                         sizeof(*priv->rx_ring[rx_queue_idx]) *
1834                         priv->rxringcount,
1835                         priv->rx_ring[rx_queue_idx],
1836                         priv->rx_ring_dma[rx_queue_idx]);
1837                 priv->rx_ring[rx_queue_idx] = NULL;
1838         }
1839 }
1840
1841 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1842 {
1843         struct r8192_priv *priv = rtllib_priv(dev);
1844         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1845
1846         while (skb_queue_len(&ring->queue)) {
1847                 struct tx_desc *entry = &ring->desc[ring->idx];
1848                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1849
1850                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1851                         skb->len, PCI_DMA_TODEVICE);
1852                 kfree_skb(skb);
1853                 ring->idx = (ring->idx + 1) % ring->entries;
1854         }
1855
1856         pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1857         ring->desc, ring->dma);
1858         ring->desc = NULL;
1859 }
1860
1861 void rtl8192_data_hard_stop(struct net_device *dev)
1862 {
1863 }
1864
1865
1866 void rtl8192_data_hard_resume(struct net_device *dev)
1867 {
1868 }
1869
1870 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1871                             int rate)
1872 {
1873         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1874         int ret;
1875         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1876                                     MAX_DEV_ADDR_SIZE);
1877         u8 queue_index = tcb_desc->queue_index;
1878
1879         if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) ||
1880              priv->bResetInProgress) {
1881                 kfree_skb(skb);
1882                 return;
1883         }
1884
1885         assert(queue_index != TXCMD_QUEUE);
1886
1887
1888         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1889         skb_push(skb, priv->rtllib->tx_headroom);
1890         ret = rtl8192_tx(dev, skb);
1891         if (ret != 0) {
1892                 kfree_skb(skb);
1893         };
1894
1895         if (queue_index != MGNT_QUEUE) {
1896                 priv->rtllib->stats.tx_bytes += (skb->len -
1897                                                  priv->rtllib->tx_headroom);
1898                 priv->rtllib->stats.tx_packets++;
1899         }
1900
1901
1902         return;
1903 }
1904
1905 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1906 {
1907         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1908         int ret;
1909         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1910                                     MAX_DEV_ADDR_SIZE);
1911         u8 queue_index = tcb_desc->queue_index;
1912
1913         if (queue_index != TXCMD_QUEUE) {
1914                 if ((priv->rtllib->eRFPowerState == eRfOff) ||
1915                      IS_NIC_DOWN(priv) || priv->bResetInProgress) {
1916                         kfree_skb(skb);
1917                         return 0;
1918                 }
1919         }
1920
1921         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1922         if (queue_index == TXCMD_QUEUE) {
1923                 rtl8192_tx_cmd(dev, skb);
1924                 ret = 0;
1925                 return ret;
1926         } else {
1927                 tcb_desc->RATRIndex = 7;
1928                 tcb_desc->bTxDisableRateFallBack = 1;
1929                 tcb_desc->bTxUseDriverAssingedRate = 1;
1930                 tcb_desc->bTxEnableFwCalcDur = 1;
1931                 skb_push(skb, priv->rtllib->tx_headroom);
1932                 ret = rtl8192_tx(dev, skb);
1933                 if (ret != 0) {
1934                         kfree_skb(skb);
1935                 };
1936         }
1937
1938
1939
1940         return ret;
1941
1942 }
1943
1944 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1945 {
1946         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1947
1948         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1949
1950         while (skb_queue_len(&ring->queue)) {
1951                 struct tx_desc *entry = &ring->desc[ring->idx];
1952                 struct sk_buff *skb;
1953
1954                 if (prio != BEACON_QUEUE) {
1955                         if (entry->OWN)
1956                                 return;
1957                         ring->idx = (ring->idx + 1) % ring->entries;
1958                 }
1959
1960                 skb = __skb_dequeue(&ring->queue);
1961                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1962                 skb->len, PCI_DMA_TODEVICE);
1963
1964                 kfree_skb(skb);
1965         }
1966         if (prio != BEACON_QUEUE)
1967                 tasklet_schedule(&priv->irq_tx_tasklet);
1968 }
1969
1970 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1971 {
1972         struct r8192_priv *priv = rtllib_priv(dev);
1973         struct rtl8192_tx_ring *ring;
1974         struct tx_desc_cmd *entry;
1975         unsigned int idx;
1976         struct cb_desc *tcb_desc;
1977         unsigned long flags;
1978
1979         spin_lock_irqsave(&priv->irq_th_lock, flags);
1980         ring = &priv->tx_ring[TXCMD_QUEUE];
1981
1982         idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1983         entry = (struct tx_desc_cmd *) &ring->desc[idx];
1984
1985         tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1986
1987         priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1988
1989         __skb_queue_tail(&ring->queue, skb);
1990         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1991
1992         return;
1993 }
1994
1995 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1996 {
1997         struct r8192_priv *priv = rtllib_priv(dev);
1998         struct rtl8192_tx_ring  *ring;
1999         unsigned long flags;
2000         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
2001                                     MAX_DEV_ADDR_SIZE);
2002         struct tx_desc *pdesc = NULL;
2003         struct rtllib_hdr_1addr *header = NULL;
2004         u16 fc = 0, type = 0, stype = 0;
2005         bool  multi_addr = false, broad_addr = false, uni_addr = false;
2006         u8 *pda_addr = NULL;
2007         int   idx;
2008         u32 fwinfo_size = 0;
2009
2010         if (priv->bdisable_nic) {
2011                 RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet"
2012                          " len=%d qidx=%d!!!\n", __func__, skb->len,
2013                          tcb_desc->queue_index);
2014                 return skb->len;
2015         }
2016
2017         priv->rtllib->bAwakePktSent = true;
2018
2019         fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2020
2021         header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2022         fc = header->frame_ctl;
2023         type = WLAN_FC_GET_TYPE(fc);
2024         stype = WLAN_FC_GET_STYPE(fc);
2025         pda_addr = header->addr1;
2026
2027         if (is_broadcast_ether_addr(pda_addr))
2028                 broad_addr = true;
2029         else if (is_multicast_ether_addr(pda_addr))
2030                 multi_addr = true;
2031         else
2032                 uni_addr = true;
2033
2034         if (uni_addr)
2035                 priv->stats.txbytesunicast += skb->len - fwinfo_size;
2036         else if (multi_addr)
2037                 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2038         else
2039                 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2040
2041         spin_lock_irqsave(&priv->irq_th_lock, flags);
2042         ring = &priv->tx_ring[tcb_desc->queue_index];
2043         if (tcb_desc->queue_index != BEACON_QUEUE)
2044                 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2045         else
2046                 idx = 0;
2047
2048         pdesc = &ring->desc[idx];
2049         if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2050                 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = "
2051                          "%d, skblen = 0x%x queuelen=%d",
2052                          tcb_desc->queue_index, ring->idx, idx, skb->len,
2053                          skb_queue_len(&ring->queue));
2054                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2055                 return skb->len;
2056         }
2057
2058         if (type == RTLLIB_FTYPE_DATA) {
2059                 if (priv->rtllib->LedControlHandler)
2060                         priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2061         }
2062         priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2063         __skb_queue_tail(&ring->queue, skb);
2064         pdesc->OWN = 1;
2065         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2066         dev->trans_start = jiffies;
2067
2068         write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2069         return 0;
2070 }
2071
2072 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2073 {
2074         struct r8192_priv *priv = rtllib_priv(dev);
2075         struct rx_desc *entry = NULL;
2076         int i, rx_queue_idx;
2077
2078         for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2079                 priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2080                                         sizeof(*priv->rx_ring[rx_queue_idx]) *
2081                                         priv->rxringcount,
2082                                         &priv->rx_ring_dma[rx_queue_idx]);
2083
2084                 if (!priv->rx_ring[rx_queue_idx] ||
2085                     (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2086                         RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2087                         return -ENOMEM;
2088                 }
2089
2090                 memset(priv->rx_ring[rx_queue_idx], 0,
2091                        sizeof(*priv->rx_ring[rx_queue_idx]) *
2092                        priv->rxringcount);
2093                 priv->rx_idx[rx_queue_idx] = 0;
2094
2095                 for (i = 0; i < priv->rxringcount; i++) {
2096                         struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2097                         dma_addr_t *mapping;
2098                         entry = &priv->rx_ring[rx_queue_idx][i];
2099                         if (!skb)
2100                                 return 0;
2101                         skb->dev = dev;
2102                         priv->rx_buf[rx_queue_idx][i] = skb;
2103                         mapping = (dma_addr_t *)skb->cb;
2104                         *mapping = pci_map_single(priv->pdev,
2105                                                   skb_tail_pointer_rsl(skb),
2106                                                   priv->rxbuffersize,
2107                                                   PCI_DMA_FROMDEVICE);
2108                         if (pci_dma_mapping_error(priv->pdev, *mapping)) {
2109                                 dev_kfree_skb_any(skb);
2110                                 return -1;
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
2124 static 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
2155 short 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
2173 err_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
2181 void 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
2220 void 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
2231 long 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
2242 void
2243 rtl819x_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
2265 void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2266                                    struct rtllib_rx_stats *pprevious_stats)
2267 {
2268 }
2269
2270
2271 u8 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
2282 u8
2283 rtl819x_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
2302 void
2303 rtl8192_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
2314 static 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_multicast_ether_addr(rtllib_hdr->addr1)) {
2365                                 /* unicast packet */
2366                                 unicast_packet = true;
2367                         }
2368                         fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2369                         type = WLAN_FC_GET_TYPE(fc);
2370                         if (type == RTLLIB_FTYPE_MGMT)
2371                                 bLedBlinking = false;
2372
2373                         if (bLedBlinking)
2374                                 if (priv->rtllib->LedControlHandler)
2375                                         priv->rtllib->LedControlHandler(dev,
2376                                                                 LED_CTL_RX);
2377
2378                         if (stats.bCRC) {
2379                                 if (type != RTLLIB_FTYPE_MGMT)
2380                                         priv->stats.rxdatacrcerr++;
2381                                 else
2382                                         priv->stats.rxmgmtcrcerr++;
2383                         }
2384
2385                         skb_len = skb->len;
2386
2387                         if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2388                                 dev_kfree_skb_any(skb);
2389                         } else {
2390                                 priv->stats.rxok++;
2391                                 if (unicast_packet)
2392                                         priv->stats.rxbytesunicast += skb_len;
2393                         }
2394
2395                         skb = new_skb;
2396                         skb->dev = dev;
2397
2398                         priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2399                                                                          skb;
2400                         *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2401                                                     skb_tail_pointer_rsl(skb),
2402                                                     priv->rxbuffersize,
2403                                                     PCI_DMA_FROMDEVICE);
2404                         if (pci_dma_mapping_error(priv->pdev,
2405                                                   *((dma_addr_t *)skb->cb))) {
2406                                 dev_kfree_skb_any(skb);
2407                                 return;
2408                         }
2409                 }
2410 done:
2411                 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2412                 pdesc->OWN = 1;
2413                 pdesc->Length = priv->rxbuffersize;
2414                 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2415                         pdesc->EOR = 1;
2416                 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2417                                               priv->rxringcount;
2418         }
2419
2420 }
2421
2422 static void rtl8192_rx_cmd(struct net_device *dev)
2423 {
2424 }
2425
2426
2427 static void rtl8192_tx_resume(struct net_device *dev)
2428 {
2429         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2430         struct rtllib_device *ieee = priv->rtllib;
2431         struct sk_buff *skb;
2432         int queue_index;
2433
2434         for (queue_index = BK_QUEUE;
2435              queue_index < MAX_QUEUE_SIZE; queue_index++) {
2436                 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2437                 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2438                         skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2439                         ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2440                 }
2441         }
2442 }
2443
2444 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2445 {
2446         rtl8192_tx_resume(priv->rtllib->dev);
2447 }
2448
2449 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2450 {
2451         rtl8192_rx_normal(priv->rtllib->dev);
2452
2453         if (MAX_RX_QUEUE > 1)
2454                 rtl8192_rx_cmd(priv->rtllib->dev);
2455
2456         write_nic_dword(priv->rtllib->dev, INTA_MASK,
2457                         read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2458 }
2459
2460 /****************************************************************************
2461  ---------------------------- NIC START/CLOSE STUFF---------------------------
2462 *****************************************************************************/
2463 void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2464 {
2465         cancel_delayed_work(&priv->watch_dog_wq);
2466         cancel_delayed_work(&priv->update_beacon_wq);
2467         cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2468         cancel_work_sync(&priv->reset_wq);
2469         cancel_work_sync(&priv->qos_activate);
2470 }
2471
2472 int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2473 {
2474         if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2475                 return -1;
2476         return 0;
2477 }
2478
2479
2480 static int rtl8192_open(struct net_device *dev)
2481 {
2482         struct r8192_priv *priv = rtllib_priv(dev);
2483         int ret;
2484
2485         down(&priv->wx_sem);
2486         ret = rtl8192_up(dev);
2487         up(&priv->wx_sem);
2488         return ret;
2489
2490 }
2491
2492
2493 int rtl8192_up(struct net_device *dev)
2494 {
2495         struct r8192_priv *priv = rtllib_priv(dev);
2496
2497         if (priv->up == 1)
2498                 return -1;
2499         return _rtl8192_up(dev, false);
2500 }
2501
2502
2503 static int rtl8192_close(struct net_device *dev)
2504 {
2505         struct r8192_priv *priv = rtllib_priv(dev);
2506         int ret;
2507
2508         if ((rtllib_act_scanning(priv->rtllib, false)) &&
2509                 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2510                 rtllib_stop_scan(priv->rtllib);
2511         }
2512
2513         down(&priv->wx_sem);
2514
2515         ret = rtl8192_down(dev, true);
2516
2517         up(&priv->wx_sem);
2518
2519         return ret;
2520
2521 }
2522
2523 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2524 {
2525         if (rtl8192_sta_down(dev, shutdownrf) == -1)
2526                 return -1;
2527
2528         return 0;
2529 }
2530
2531 void rtl8192_commit(struct net_device *dev)
2532 {
2533         struct r8192_priv *priv = rtllib_priv(dev);
2534
2535         if (priv->up == 0)
2536                 return;
2537         rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2538         rtl8192_irq_disable(dev);
2539         priv->ops->stop_adapter(dev, true);
2540         _rtl8192_up(dev, false);
2541 }
2542
2543 void rtl8192_restart(void *data)
2544 {
2545         struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2546                                   reset_wq);
2547         struct net_device *dev = priv->rtllib->dev;
2548
2549         down(&priv->wx_sem);
2550
2551         rtl8192_commit(dev);
2552
2553         up(&priv->wx_sem);
2554 }
2555
2556 static void r8192_set_multicast(struct net_device *dev)
2557 {
2558         struct r8192_priv *priv = rtllib_priv(dev);
2559         short promisc;
2560
2561         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2562         priv->promisc = promisc;
2563
2564 }
2565
2566
2567 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2568 {
2569         struct r8192_priv *priv = rtllib_priv(dev);
2570         struct sockaddr *addr = mac;
2571
2572         down(&priv->wx_sem);
2573
2574         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2575
2576         schedule_work(&priv->reset_wq);
2577         up(&priv->wx_sem);
2578
2579         return 0;
2580 }
2581
2582 /* based on ipw2200 driver */
2583 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2584 {
2585         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2586         struct iwreq *wrq = (struct iwreq *)rq;
2587         int ret = -1;
2588         struct rtllib_device *ieee = priv->rtllib;
2589         u32 key[4];
2590         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2591         u8 zero_addr[6] = {0};
2592         struct iw_point *p = &wrq->u.data;
2593         struct ieee_param *ipw = NULL;
2594
2595         down(&priv->wx_sem);
2596
2597         switch (cmd) {
2598         case RTL_IOCTL_WPA_SUPPLICANT:
2599                 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2600                         ret = -EINVAL;
2601                         goto out;
2602                 }
2603
2604                 ipw = kmalloc(p->length, GFP_KERNEL);
2605                 if (ipw == NULL) {
2606                         ret = -ENOMEM;
2607                         goto out;
2608                 }
2609                 if (copy_from_user(ipw, p->pointer, p->length)) {
2610                         kfree(ipw);
2611                         ret = -EFAULT;
2612                         goto out;
2613                 }
2614
2615                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2616                         if (ipw->u.crypt.set_tx) {
2617                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2618                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
2619                                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2620                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
2621                                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2622                                         if (ipw->u.crypt.key_len == 13)
2623                                                 ieee->pairwise_key_type =
2624                                                          KEY_TYPE_WEP104;
2625                                         else if (ipw->u.crypt.key_len == 5)
2626                                                 ieee->pairwise_key_type =
2627                                                          KEY_TYPE_WEP40;
2628                                 } else {
2629                                         ieee->pairwise_key_type = KEY_TYPE_NA;
2630                                 }
2631
2632                                 if (ieee->pairwise_key_type) {
2633                                         if (memcmp(ieee->ap_mac_addr, zero_addr,
2634                                             6) == 0)
2635                                                 ieee->iw_mode = IW_MODE_ADHOC;
2636                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
2637                                         EnableHWSecurityConfig8192(dev);
2638                                         set_swcam(dev, 4, ipw->u.crypt.idx,
2639                                                   ieee->pairwise_key_type,
2640                                                   (u8 *)ieee->ap_mac_addr,
2641                                                   0, key, 0);
2642                                         setKey(dev, 4, ipw->u.crypt.idx,
2643                                                ieee->pairwise_key_type,
2644                                                (u8 *)ieee->ap_mac_addr, 0, key);
2645                                         if (ieee->iw_mode == IW_MODE_ADHOC) {
2646                                                 set_swcam(dev, ipw->u.crypt.idx,
2647                                                         ipw->u.crypt.idx,
2648                                                         ieee->pairwise_key_type,
2649                                                         (u8 *)ieee->ap_mac_addr,
2650                                                         0, key, 0);
2651                                                 setKey(dev, ipw->u.crypt.idx,
2652                                                        ipw->u.crypt.idx,
2653                                                        ieee->pairwise_key_type,
2654                                                        (u8 *)ieee->ap_mac_addr,
2655                                                        0, key);
2656                                         }
2657                                 }
2658                                 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2659                                      && ieee->pHTInfo->bCurrentHTSupport) {
2660                                         write_nic_byte(dev, 0x173, 1);
2661                                 }
2662
2663                         } else {
2664                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2665                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2666                                         ieee->group_key_type = KEY_TYPE_CCMP;
2667                                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2668                                         ieee->group_key_type = KEY_TYPE_TKIP;
2669                                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2670                                         if (ipw->u.crypt.key_len == 13)
2671                                                 ieee->group_key_type =
2672                                                          KEY_TYPE_WEP104;
2673                                         else if (ipw->u.crypt.key_len == 5)
2674                                                 ieee->group_key_type =
2675                                                          KEY_TYPE_WEP40;
2676                                 } else
2677                                         ieee->group_key_type = KEY_TYPE_NA;
2678
2679                                 if (ieee->group_key_type) {
2680                                         set_swcam(dev, ipw->u.crypt.idx,
2681                                                   ipw->u.crypt.idx,
2682                                                   ieee->group_key_type,
2683                                                   broadcast_addr, 0, key, 0);
2684                                         setKey(dev, ipw->u.crypt.idx,
2685                                                ipw->u.crypt.idx,
2686                                                ieee->group_key_type,
2687                                                broadcast_addr, 0, key);
2688                                 }
2689                         }
2690                 }
2691
2692                 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2693                                                   0);
2694                 kfree(ipw);
2695                 break;
2696         default:
2697                 ret = -EOPNOTSUPP;
2698                 break;
2699         }
2700
2701 out:
2702         up(&priv->wx_sem);
2703
2704         return ret;
2705 }
2706
2707
2708 irqreturn_t rtl8192_interrupt(int irq, void *netdev)
2709 {
2710         struct net_device *dev = (struct net_device *) netdev;
2711         struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2712         unsigned long flags;
2713         u32 inta;
2714         u32 intb;
2715         intb = 0;
2716
2717         if (priv->irq_enabled == 0)
2718                 goto done;
2719
2720         spin_lock_irqsave(&priv->irq_th_lock, flags);
2721
2722         priv->ops->interrupt_recognized(dev, &inta, &intb);
2723         priv->stats.shints++;
2724
2725         if (!inta) {
2726                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2727                 goto done;
2728         }
2729
2730         if (inta == 0xffff) {
2731                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2732                 goto done;
2733         }
2734
2735         priv->stats.ints++;
2736
2737         if (!netif_running(dev)) {
2738                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2739                 goto done;
2740         }
2741
2742         if (inta & IMR_TBDOK) {
2743                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2744                 priv->stats.txbeaconokint++;
2745         }
2746
2747         if (inta & IMR_TBDER) {
2748                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2749                 priv->stats.txbeaconerr++;
2750         }
2751
2752         if (inta & IMR_BDOK)
2753                 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2754
2755         if (inta  & IMR_MGNTDOK) {
2756                 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2757                 priv->stats.txmanageokint++;
2758                 rtl8192_tx_isr(dev, MGNT_QUEUE);
2759                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2760                 if (priv->rtllib->ack_tx_to_ieee) {
2761                         if (rtl8192_is_tx_queue_empty(dev)) {
2762                                 priv->rtllib->ack_tx_to_ieee = 0;
2763                                 rtllib_ps_tx_ack(priv->rtllib, 1);
2764                         }
2765                 }
2766                 spin_lock_irqsave(&priv->irq_th_lock, flags);
2767         }
2768
2769         if (inta & IMR_COMDOK) {
2770                 priv->stats.txcmdpktokint++;
2771                 rtl8192_tx_isr(dev, TXCMD_QUEUE);
2772         }
2773
2774         if (inta & IMR_HIGHDOK)
2775                 rtl8192_tx_isr(dev, HIGH_QUEUE);
2776
2777         if (inta & IMR_ROK) {
2778                 priv->stats.rxint++;
2779                 priv->InterruptLog.nIMR_ROK++;
2780                 tasklet_schedule(&priv->irq_rx_tasklet);
2781         }
2782
2783         if (inta & IMR_BcnInt) {
2784                 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2785                 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2786         }
2787
2788         if (inta & IMR_RDU) {
2789                 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2790                 priv->stats.rxrdu++;
2791                 write_nic_dword(dev, INTA_MASK,
2792                                 read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2793                 tasklet_schedule(&priv->irq_rx_tasklet);
2794         }
2795
2796         if (inta & IMR_RXFOVW) {
2797                 RT_TRACE(COMP_INTR, "rx overflow !\n");
2798                 priv->stats.rxoverflow++;
2799                 tasklet_schedule(&priv->irq_rx_tasklet);
2800         }
2801
2802         if (inta & IMR_TXFOVW)
2803                 priv->stats.txoverflow++;
2804
2805         if (inta & IMR_BKDOK) {
2806                 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2807                 priv->stats.txbkokint++;
2808                 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2809                 rtl8192_tx_isr(dev, BK_QUEUE);
2810         }
2811
2812         if (inta & IMR_BEDOK) {
2813                 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2814                 priv->stats.txbeokint++;
2815                 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2816                 rtl8192_tx_isr(dev, BE_QUEUE);
2817         }
2818
2819         if (inta & IMR_VIDOK) {
2820                 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2821                 priv->stats.txviokint++;
2822                 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2823                 rtl8192_tx_isr(dev, VI_QUEUE);
2824         }
2825
2826         if (inta & IMR_VODOK) {
2827                 priv->stats.txvookint++;
2828                 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2829                 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2830                 rtl8192_tx_isr(dev, VO_QUEUE);
2831         }
2832
2833         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2834
2835 done:
2836
2837         return IRQ_HANDLED;
2838 }
2839
2840
2841
2842 /****************************************************************************
2843         ---------------------------- PCI_STUFF---------------------------
2844 *****************************************************************************/
2845 static const struct net_device_ops rtl8192_netdev_ops = {
2846         .ndo_open = rtl8192_open,
2847         .ndo_stop = rtl8192_close,
2848         .ndo_tx_timeout = rtl8192_tx_timeout,
2849         .ndo_do_ioctl = rtl8192_ioctl,
2850         .ndo_set_rx_mode = r8192_set_multicast,
2851         .ndo_set_mac_address = r8192_set_mac_adr,
2852         .ndo_validate_addr = eth_validate_addr,
2853         .ndo_change_mtu = eth_change_mtu,
2854         .ndo_start_xmit = rtllib_xmit,
2855 };
2856
2857 static int rtl8192_pci_probe(struct pci_dev *pdev,
2858                         const struct pci_device_id *id)
2859 {
2860         unsigned long ioaddr = 0;
2861         struct net_device *dev = NULL;
2862         struct r8192_priv *priv = NULL;
2863         struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2864         unsigned long pmem_start, pmem_len, pmem_flags;
2865         int err = -ENOMEM;
2866         bool bdma64 = false;
2867         u8 revision_id;
2868
2869         RT_TRACE(COMP_INIT, "Configuring chip resources");
2870
2871         if (pci_enable_device(pdev)) {
2872                 RT_TRACE(COMP_ERR, "Failed to enable PCI device");
2873                 return -EIO;
2874         }
2875
2876         pci_set_master(pdev);
2877
2878         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2879                 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2880                         printk(KERN_INFO "Unable to obtain 32bit DMA for consistent allocations\n");
2881                         goto err_pci_disable;
2882                 }
2883         }
2884         dev = alloc_rtllib(sizeof(struct r8192_priv));
2885         if (!dev)
2886                 goto err_pci_disable;
2887
2888         err = -ENODEV;
2889         if (bdma64)
2890                 dev->features |= NETIF_F_HIGHDMA;
2891
2892         pci_set_drvdata(pdev, dev);
2893         SET_NETDEV_DEV(dev, &pdev->dev);
2894         priv = rtllib_priv(dev);
2895         priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2896         priv->pdev = pdev;
2897         priv->rtllib->pdev = pdev;
2898         if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2899             (pdev->subsystem_device == 0x3304))
2900                 priv->rtllib->bSupportRemoteWakeUp = 1;
2901         else
2902                 priv->rtllib->bSupportRemoteWakeUp = 0;
2903
2904         pmem_start = pci_resource_start(pdev, 1);
2905         pmem_len = pci_resource_len(pdev, 1);
2906         pmem_flags = pci_resource_flags(pdev, 1);
2907
2908         if (!(pmem_flags & IORESOURCE_MEM)) {
2909                 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting");
2910                 goto err_rel_rtllib;
2911         }
2912
2913         printk(KERN_INFO "Memory mapped space start: 0x%08lx\n", pmem_start);
2914         if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2915                 RT_TRACE(COMP_ERR, "request_mem_region failed!");
2916                 goto err_rel_rtllib;
2917         }
2918
2919
2920         ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2921         if (ioaddr == (unsigned long)NULL) {
2922                 RT_TRACE(COMP_ERR, "ioremap failed!");
2923                 goto err_rel_mem;
2924         }
2925
2926         dev->mem_start = ioaddr;
2927         dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2928
2929         pci_read_config_byte(pdev, 0x08, &revision_id);
2930         /* If the revisionid is 0x10, the device uses rtl8192se. */
2931         if (pdev->device == 0x8192 && revision_id == 0x10)
2932                 goto err_rel_mem;
2933
2934         priv->ops = ops;
2935
2936         if (rtl8192_pci_findadapter(pdev, dev) == false)
2937                 goto err_rel_mem;
2938
2939         dev->irq = pdev->irq;
2940         priv->irq = 0;
2941
2942         dev->netdev_ops = &rtl8192_netdev_ops;
2943
2944         dev->wireless_handlers = (struct iw_handler_def *)
2945                                  &r8192_wx_handlers_def;
2946         dev->ethtool_ops = &rtl819x_ethtool_ops;
2947
2948         dev->type = ARPHRD_ETHER;
2949         dev->watchdog_timeo = HZ * 3;
2950
2951         if (dev_alloc_name(dev, ifname) < 0) {
2952                 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying "
2953                          "wlan%%d...\n");
2954                         dev_alloc_name(dev, ifname);
2955         }
2956
2957         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2958         if (rtl8192_init(dev) != 0) {
2959                 RT_TRACE(COMP_ERR, "Initialization failed");
2960                 goto err_free_irq;
2961         }
2962
2963         netif_carrier_off(dev);
2964         netif_stop_queue(dev);
2965
2966         if (register_netdev(dev))
2967                 goto err_free_irq;
2968         RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2969
2970         if (priv->polling_timer_on == 0)
2971                 check_rfctrl_gpio_timer((unsigned long)dev);
2972
2973         RT_TRACE(COMP_INIT, "Driver probe completed\n");
2974         return 0;
2975
2976 err_free_irq:
2977         free_irq(dev->irq, dev);
2978         priv->irq = 0;
2979 err_rel_mem:
2980         release_mem_region(pmem_start, pmem_len);
2981 err_rel_rtllib:
2982         free_rtllib(dev);
2983
2984         DMESG("wlan driver load failed\n");
2985         pci_set_drvdata(pdev, NULL);
2986 err_pci_disable:
2987         pci_disable_device(pdev);
2988         return err;
2989 }
2990
2991 static void rtl8192_pci_disconnect(struct pci_dev *pdev)
2992 {
2993         struct net_device *dev = pci_get_drvdata(pdev);
2994         struct r8192_priv *priv ;
2995         u32 i;
2996
2997         if (dev) {
2998                 unregister_netdev(dev);
2999
3000                 priv = rtllib_priv(dev);
3001
3002                 del_timer_sync(&priv->gpio_polling_timer);
3003                 cancel_delayed_work(&priv->gpio_change_rf_wq);
3004                 priv->polling_timer_on = 0;
3005                 rtl8192_down(dev, true);
3006                 deinit_hal_dm(dev);
3007                 if (priv->pFirmware) {
3008                         vfree(priv->pFirmware);
3009                         priv->pFirmware = NULL;
3010                 }
3011                 destroy_workqueue(priv->priv_wq);
3012                 rtl8192_free_rx_ring(dev);
3013                 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
3014                         rtl8192_free_tx_ring(dev, i);
3015
3016                 if (priv->irq) {
3017                         printk(KERN_INFO "Freeing irq %d\n", dev->irq);
3018                         free_irq(dev->irq, dev);
3019                         priv->irq = 0;
3020                 }
3021                 free_rtllib(dev);
3022
3023                 kfree(priv->scan_cmd);
3024
3025                 if (dev->mem_start != 0) {
3026                         iounmap((void __iomem *)dev->mem_start);
3027                         release_mem_region(pci_resource_start(pdev, 1),
3028                                         pci_resource_len(pdev, 1));
3029                 }
3030         } else {
3031                 priv = rtllib_priv(dev);
3032         }
3033
3034         pci_disable_device(pdev);
3035         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3036 }
3037
3038 bool NicIFEnableNIC(struct net_device *dev)
3039 {
3040         bool init_status = true;
3041         struct r8192_priv *priv = rtllib_priv(dev);
3042         struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3043                                         (&(priv->rtllib->PowerSaveControl));
3044
3045         if (IS_NIC_DOWN(priv)) {
3046                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3047                          __func__);
3048                 priv->bdisable_nic = false;
3049                 return RT_STATUS_FAILURE;
3050         }
3051
3052         RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3053         priv->bfirst_init = true;
3054         init_status = priv->ops->initialize_adapter(dev);
3055         if (init_status != true) {
3056                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3057                          __func__);
3058                 priv->bdisable_nic = false;
3059                 return -1;
3060         }
3061         RT_TRACE(COMP_INIT, "start adapter finished\n");
3062         RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3063         priv->bfirst_init = false;
3064
3065         rtl8192_irq_enable(dev);
3066         priv->bdisable_nic = false;
3067         RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3068         return init_status;
3069 }
3070 bool NicIFDisableNIC(struct net_device *dev)
3071 {
3072         bool    status = true;
3073         struct r8192_priv *priv = rtllib_priv(dev);
3074         u8 tmp_state = 0;
3075         RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3076         priv->bdisable_nic = true;
3077         tmp_state = priv->rtllib->state;
3078         rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3079         priv->rtllib->state = tmp_state;
3080         rtl8192_cancel_deferred_work(priv);
3081         rtl8192_irq_disable(dev);
3082
3083         priv->ops->stop_adapter(dev, false);
3084         RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3085
3086         return status;
3087 }
3088
3089 static int __init rtl8192_pci_module_init(void)
3090 {
3091         printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3092         printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3093
3094         if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3095                 DMESG("No device found");
3096                 /*pci_unregister_driver (&rtl8192_pci_driver);*/
3097                 return -ENODEV;
3098         }
3099         return 0;
3100 }
3101
3102 static void __exit rtl8192_pci_module_exit(void)
3103 {
3104         pci_unregister_driver(&rtl8192_pci_driver);
3105
3106         RT_TRACE(COMP_DOWN, "Exiting");
3107 }
3108
3109 void check_rfctrl_gpio_timer(unsigned long data)
3110 {
3111         struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3112
3113         priv->polling_timer_on = 1;
3114
3115         queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3116
3117         mod_timer(&priv->gpio_polling_timer, jiffies +
3118                   MSECS(RTLLIB_WATCH_DOG_TIME));
3119 }
3120
3121 /***************************************************************************
3122         ------------------- module init / exit stubs ----------------
3123 ****************************************************************************/
3124 module_init(rtl8192_pci_module_init);
3125 module_exit(rtl8192_pci_module_exit);
3126
3127 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3128 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3129 MODULE_VERSION(DRV_VERSION);
3130 MODULE_LICENSE("GPL");
3131 MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW);
3132 MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW);
3133 MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW);
3134
3135 module_param(ifname, charp, S_IRUGO|S_IWUSR);
3136 module_param(hwwep, int, S_IRUGO|S_IWUSR);
3137 module_param(channels, int, S_IRUGO|S_IWUSR);
3138
3139 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3140 MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3141 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");