drivers/staging/rtl8192u/r8192U_core.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  * Linux device driver for RTL8192U
   4  *
   5  * Based on the r8187 driver, which is:
   6  * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  19  *
  20  * The full GNU General Public License is included in this distribution in the
  21  * file called LICENSE.
  22  *
  23  * Contact Information:
  24  * Jerry chuang <wlanfae@realtek.com>
  25  */
  26
  27 #ifndef CONFIG_FORCE_HARD_FLOAT
  28 double __floatsidf(int i)
  29 {
  30         return i;
  31 }
  32
  33 unsigned int __fixunsdfsi(double d)
  34 {
  35         return d;
  36 }
  37
  38 double __adddf3(double a, double b)
  39 {
  40         return a + b;
  41 }
  42
  43 double __addsf3(float a, float b)
  44 {
  45         return a + b;
  46 }
  47
  48 double __subdf3(double a, double b)
  49 {
  50         return a - b;
  51 }
  52
  53 double __extendsfdf2(float a)
  54 {
  55         return a;
  56 }
  57 #endif
  58
  59 #define CONFIG_RTL8192_IO_MAP
  60
  61 #include <linux/uaccess.h>
  62 #include "r8192U_hw.h"
  63 #include "r8192U.h"
  64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
  65 #include "r8180_93cx6.h"   /* Card EEPROM */
  66 #include "r8192U_wx.h"
  67 #include "r819xU_phy.h"
  68 #include "r819xU_phyreg.h"
  69 #include "r819xU_cmdpkt.h"
  70 #include "r8192U_dm.h"
  71 #include <linux/usb.h>
  72 #include <linux/slab.h>
  73 #include <linux/proc_fs.h>
  74 #include <linux/seq_file.h>
  75 /* FIXME: check if 2.6.7 is ok */
  76
  77 #include "dot11d.h"
  78 /* set here to open your trace code. */
  79 u32 rt_global_debug_component = COMP_DOWN       |
  80                                 COMP_SEC        |
  81                                 COMP_ERR; /* always open err flags on */
  82
  83 #define TOTAL_CAM_ENTRY 32
  84 #define CAM_CONTENT_COUNT 8
  85
  86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
  87         /* Realtek */
  88         {USB_DEVICE(0x0bda, 0x8709)},
  89         /* Corega */
  90         {USB_DEVICE(0x07aa, 0x0043)},
  91         /* Belkin */
  92         {USB_DEVICE(0x050d, 0x805E)},
  93         /* Sitecom */
  94         {USB_DEVICE(0x0df6, 0x0031)},
  95         /* EnGenius */
  96         {USB_DEVICE(0x1740, 0x9201)},
  97         /* Dlink */
  98         {USB_DEVICE(0x2001, 0x3301)},
  99         /* Zinwell */
 100         {USB_DEVICE(0x5a57, 0x0290)},
 101         /* LG */
 102         {USB_DEVICE(0x043e, 0x7a01)},
 103         {}
 104 };
 105
 106 MODULE_LICENSE("GPL");
 107 MODULE_VERSION("V 1.1");
 108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
 109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
 110
 111 static char *ifname = "wlan%d";
 112 static int hwwep = 1;  /* default use hw. set 0 to use software security */
 113 static int channels = 0x3fff;
 114
 115
 116
 117 module_param(ifname, charp, S_IRUGO | S_IWUSR);
 118 module_param(hwwep, int, S_IRUGO | S_IWUSR);
 119 module_param(channels, int, S_IRUGO | S_IWUSR);
 120
 121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
 122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
 123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
 124
 125 static int rtl8192_usb_probe(struct usb_interface *intf,
 126                              const struct usb_device_id *id);
 127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
 128
 129
 130 static struct usb_driver rtl8192_usb_driver = {
 131         .name           = RTL819xU_MODULE_NAME,           /* Driver name   */
 132         .id_table       = rtl8192_usb_id_tbl,             /* PCI_ID table  */
 133         .probe          = rtl8192_usb_probe,              /* probe fn      */
 134         .disconnect     = rtl8192_usb_disconnect,         /* remove fn     */
 135         .suspend        = NULL,                           /* PM suspend fn */
 136         .resume         = NULL,                           /* PM resume fn  */
 137 };
 138
 139
 140 struct CHANNEL_LIST {
 141         u8      Channel[32];
 142         u8      Len;
 143 };
 144
 145 static struct CHANNEL_LIST ChannelPlan[] = {
 146         /* FCC */
 147         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
 148         /* IC */
 149         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
 150         /* ETSI */
 151         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
 152         /* Spain. Change to ETSI. */
 153         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 154         /* France. Change to ETSI. */
 155         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 156         /* MKK */
 157         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 158         /* MKK1 */
 159         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 160         /* Israel. */
 161         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 162         /* For 11a , TELEC */
 163         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 164         /* MIC */
 165         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 166         /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
 167         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
 168 };
 169
 170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 171 {
 172         int i, max_chan = -1, min_chan = -1;
 173         struct ieee80211_device *ieee = priv->ieee80211;
 174
 175         switch (channel_plan) {
 176         case COUNTRY_CODE_FCC:
 177         case COUNTRY_CODE_IC:
 178         case COUNTRY_CODE_ETSI:
 179         case COUNTRY_CODE_SPAIN:
 180         case COUNTRY_CODE_FRANCE:
 181         case COUNTRY_CODE_MKK:
 182         case COUNTRY_CODE_MKK1:
 183         case COUNTRY_CODE_ISRAEL:
 184         case COUNTRY_CODE_TELEC:
 185         case COUNTRY_CODE_MIC:
 186                 Dot11d_Init(ieee);
 187                 ieee->bGlobalDomain = false;
 188                 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
 189                 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
 190                         min_chan = 1;
 191                         max_chan = 14;
 192                 } else {
 193                         RT_TRACE(COMP_ERR,
 194                                  "unknown rf chip, can't set channel map in function:%s()\n",
 195                                  __func__);
 196                 }
 197                 if (ChannelPlan[channel_plan].Len != 0) {
 198                         /* Clear old channel map */
 199                         memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
 200                                sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 201                         /* Set new channel map */
 202                         for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
 203                                 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
 204                                         break;
 205                                 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 206                         }
 207                 }
 208                 break;
 209
 210         case COUNTRY_CODE_GLOBAL_DOMAIN:
 211                 /* this flag enabled to follow 11d country IE setting,
 212                  * otherwise, it shall follow global domain settings.
 213                  */
 214                 GET_DOT11D_INFO(ieee)->bEnabled = 0;
 215                 Dot11d_Reset(ieee);
 216                 ieee->bGlobalDomain = true;
 217                 break;
 218
 219         default:
 220                 break;
 221         }
 222 }
 223
 224
 225
 226
 227 static void CamResetAllEntry(struct net_device *dev)
 228 {
 229         u32 ulcommand = 0;
 230         /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
 231          * associate to AP. However, ResetKey is called on
 232          * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
 233          * condition, Cam can not be reset because upper layer will not set
 234          * this static key again.
 235          */
 236         ulcommand |= BIT(31) | BIT(30);
 237         write_nic_dword(dev, RWCAM, ulcommand);
 238
 239 }
 240
 241
 242 void write_cam(struct net_device *dev, u8 addr, u32 data)
 243 {
 244         write_nic_dword(dev, WCAMI, data);
 245         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
 246 }
 247
 248 u32 read_cam(struct net_device *dev, u8 addr)
 249 {
 250         u32 data;
 251
 252         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
 253         read_nic_dword(dev, 0xa8, &data);
 254         return data;
 255 }
 256
 257 void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 258 {
 259         int status;
 260         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 261         struct usb_device *udev = priv->udev;
 262         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 263
 264         if (!usbdata)
 265                 return;
 266         *usbdata = data;
 267
 268         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 269                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 270                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 271         kfree(usbdata);
 272
 273         if (status < 0)
 274                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
 275                            status);
 276 }
 277
 278 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 279 {
 280         int status;
 281         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 282         struct usb_device *udev = priv->udev;
 283         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 284
 285         if (!usbdata)
 286                 return -ENOMEM;
 287
 288         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 289                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 290                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 291         *data = *usbdata;
 292         kfree(usbdata);
 293
 294         if (status < 0) {
 295                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 296                 return status;
 297         }
 298
 299         return 0;
 300 }
 301 /* as 92U has extend page from 4 to 16, so modify functions below. */
 302 void write_nic_byte(struct net_device *dev, int indx, u8 data)
 303 {
 304         int status;
 305
 306         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 307         struct usb_device *udev = priv->udev;
 308         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 309
 310         if (!usbdata)
 311                 return;
 312         *usbdata = data;
 313
 314         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 315                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 316                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 317                                  usbdata, 1, HZ / 2);
 318         kfree(usbdata);
 319
 320         if (status < 0)
 321                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
 322
 323
 324 }
 325
 326
 327 void write_nic_word(struct net_device *dev, int indx, u16 data)
 328 {
 329
 330         int status;
 331
 332         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 333         struct usb_device *udev = priv->udev;
 334         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 335
 336         if (!usbdata)
 337                 return;
 338         *usbdata = data;
 339
 340         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 341                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 342                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 343                                  usbdata, 2, HZ / 2);
 344         kfree(usbdata);
 345
 346         if (status < 0)
 347                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
 348
 349 }
 350
 351
 352 void write_nic_dword(struct net_device *dev, int indx, u32 data)
 353 {
 354
 355         int status;
 356
 357         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 358         struct usb_device *udev = priv->udev;
 359         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 360
 361         if (!usbdata)
 362                 return;
 363         *usbdata = data;
 364
 365         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 366                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 367                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 368                                  usbdata, 4, HZ / 2);
 369         kfree(usbdata);
 370
 371
 372         if (status < 0)
 373                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
 374                            status);
 375
 376 }
 377
 378
 379
 380 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 381 {
 382         int status;
 383         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 384         struct usb_device *udev = priv->udev;
 385         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 386
 387         if (!usbdata)
 388                 return -ENOMEM;
 389
 390         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 391                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 392                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 393                                  usbdata, 1, HZ / 2);
 394         *data = *usbdata;
 395         kfree(usbdata);
 396
 397         if (status < 0) {
 398                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 399                 return status;
 400         }
 401
 402         return 0;
 403 }
 404
 405
 406
 407 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 408 {
 409         int status;
 410         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 411         struct usb_device *udev = priv->udev;
 412         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 413
 414         if (!usbdata)
 415                 return -ENOMEM;
 416
 417         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 418                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 419                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 420                                  usbdata, 2, HZ / 2);
 421         *data = *usbdata;
 422         kfree(usbdata);
 423
 424         if (status < 0) {
 425                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 426                 return status;
 427         }
 428
 429         return 0;
 430 }
 431
 432 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 433 {
 434         int status;
 435         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 436         struct usb_device *udev = priv->udev;
 437         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 438
 439         if (!usbdata)
 440                 return -ENOMEM;
 441
 442         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 443                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 444                                  indx | 0xfe00, 0, usbdata, 2, HZ / 2);
 445         *data = *usbdata;
 446         kfree(usbdata);
 447
 448         if (status < 0) {
 449                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 450                 return status;
 451         }
 452
 453         return 0;
 454 }
 455
 456 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 457 {
 458         int status;
 459
 460         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 461         struct usb_device *udev = priv->udev;
 462         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
 463
 464         if (!usbdata)
 465                 return -ENOMEM;
 466
 467         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 468                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 469                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 470                                  usbdata, 4, HZ / 2);
 471         *data = *usbdata;
 472         kfree(usbdata);
 473
 474         if (status < 0) {
 475                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 476                 return status;
 477         }
 478
 479         return 0;
 480 }
 481
 482 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 483 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 484 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 485  * plans are to possibility turn it again in one common code...
 486  */
 487 inline void force_pci_posting(struct net_device *dev)
 488 {
 489 }
 490
 491 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 492 static void rtl8192_restart(struct work_struct *work);
 493 static void watch_dog_timer_callback(unsigned long data);
 494
 495 /****************************************************************************
 496  *   -----------------------------PROCFS STUFF-------------------------
 497 *****************************************************************************
 498  */
 499
 500 static struct proc_dir_entry *rtl8192_proc;
 501
 502 static int proc_get_stats_ap(struct seq_file *m, void *v)
 503 {
 504         struct net_device *dev = m->private;
 505         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 506         struct ieee80211_device *ieee = priv->ieee80211;
 507         struct ieee80211_network *target;
 508
 509         list_for_each_entry(target, &ieee->network_list, list) {
 510                 const char *wpa = "non_WPA";
 511
 512                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 513                         wpa = "WPA";
 514
 515                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 516         }
 517
 518         return 0;
 519 }
 520
 521 static int proc_get_registers(struct seq_file *m, void *v)
 522 {
 523         struct net_device *dev = m->private;
 524         int i, n, max = 0xff;
 525         u8 byte_rd;
 526
 527         seq_puts(m, "\n####################page 0##################\n ");
 528
 529         for (n = 0; n <= max;) {
 530                 seq_printf(m, "\nD:  %2x > ", n);
 531
 532                 for (i = 0; i < 16 && n <= max; i++, n++) {
 533                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 534                         seq_printf(m, "%2x ", byte_rd);
 535                 }
 536         }
 537
 538         seq_puts(m, "\n####################page 1##################\n ");
 539         for (n = 0; n <= max;) {
 540                 seq_printf(m, "\nD:  %2x > ", n);
 541
 542                 for (i = 0; i < 16 && n <= max; i++, n++) {
 543                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 544                         seq_printf(m, "%2x ", byte_rd);
 545                 }
 546         }
 547
 548         seq_puts(m, "\n####################page 3##################\n ");
 549         for (n = 0; n <= max;) {
 550                 seq_printf(m, "\nD:  %2x > ", n);
 551
 552                 for (i = 0; i < 16 && n <= max; i++, n++) {
 553                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 554                         seq_printf(m, "%2x ", byte_rd);
 555                 }
 556         }
 557
 558         seq_putc(m, '\n');
 559         return 0;
 560 }
 561
 562 static int proc_get_stats_tx(struct seq_file *m, void *v)
 563 {
 564         struct net_device *dev = m->private;
 565         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 566
 567         seq_printf(m,
 568                    "TX VI priority ok int: %lu\n"
 569                    "TX VI priority error int: %lu\n"
 570                    "TX VO priority ok int: %lu\n"
 571                    "TX VO priority error int: %lu\n"
 572                    "TX BE priority ok int: %lu\n"
 573                    "TX BE priority error int: %lu\n"
 574                    "TX BK priority ok int: %lu\n"
 575                    "TX BK priority error int: %lu\n"
 576                    "TX MANAGE priority ok int: %lu\n"
 577                    "TX MANAGE priority error int: %lu\n"
 578                    "TX BEACON priority ok int: %lu\n"
 579                    "TX BEACON priority error int: %lu\n"
 580                    "TX queue resume: %lu\n"
 581                    "TX queue stopped?: %d\n"
 582                    "TX fifo overflow: %lu\n"
 583                    "TX VI queue: %d\n"
 584                    "TX VO queue: %d\n"
 585                    "TX BE queue: %d\n"
 586                    "TX BK queue: %d\n"
 587                    "TX VI dropped: %lu\n"
 588                    "TX VO dropped: %lu\n"
 589                    "TX BE dropped: %lu\n"
 590                    "TX BK dropped: %lu\n"
 591                    "TX total data packets %lu\n",
 592                    priv->stats.txviokint,
 593                    priv->stats.txvierr,
 594                    priv->stats.txvookint,
 595                    priv->stats.txvoerr,
 596                    priv->stats.txbeokint,
 597                    priv->stats.txbeerr,
 598                    priv->stats.txbkokint,
 599                    priv->stats.txbkerr,
 600                    priv->stats.txmanageokint,
 601                    priv->stats.txmanageerr,
 602                    priv->stats.txbeaconokint,
 603                    priv->stats.txbeaconerr,
 604                    priv->stats.txresumed,
 605                    netif_queue_stopped(dev),
 606                    priv->stats.txoverflow,
 607                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 608                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 609                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 610                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 611                    priv->stats.txvidrop,
 612                    priv->stats.txvodrop,
 613                    priv->stats.txbedrop,
 614                    priv->stats.txbkdrop,
 615                    priv->stats.txdatapkt
 616                 );
 617
 618         return 0;
 619 }
 620
 621 static int proc_get_stats_rx(struct seq_file *m, void *v)
 622 {
 623         struct net_device *dev = m->private;
 624         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 625
 626         seq_printf(m,
 627                    "RX packets: %lu\n"
 628                    "RX urb status error: %lu\n"
 629                    "RX invalid urb error: %lu\n",
 630                    priv->stats.rxoktotal,
 631                    priv->stats.rxstaterr,
 632                    priv->stats.rxurberr);
 633
 634         return 0;
 635 }
 636
 637 static void rtl8192_proc_module_init(void)
 638 {
 639         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 640         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 641 }
 642
 643 /*
 644  * seq_file wrappers for procfile show routines.
 645  */
 646 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 647 {
 648         struct net_device *dev = proc_get_parent_data(inode);
 649         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 650
 651         return single_open(file, show, dev);
 652 }
 653
 654 static const struct file_operations rtl8192_proc_fops = {
 655         .open           = rtl8192_proc_open,
 656         .read           = seq_read,
 657         .llseek         = seq_lseek,
 658         .release        = single_release,
 659 };
 660
 661 /*
 662  * Table of proc files we need to create.
 663  */
 664 struct rtl8192_proc_file {
 665         char name[12];
 666         int (*show)(struct seq_file *, void *);
 667 };
 668
 669 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 670         { "stats-rx",   &proc_get_stats_rx },
 671         { "stats-tx",   &proc_get_stats_tx },
 672         { "stats-ap",   &proc_get_stats_ap },
 673         { "registers",  &proc_get_registers },
 674         { "" }
 675 };
 676
 677 static void rtl8192_proc_init_one(struct net_device *dev)
 678 {
 679         const struct rtl8192_proc_file *f;
 680         struct proc_dir_entry *dir;
 681
 682         if (rtl8192_proc) {
 683                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 684                 if (!dir) {
 685                         RT_TRACE(COMP_ERR,
 686                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 687                                  dev->name);
 688                         return;
 689                 }
 690
 691                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 692                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 693                                               &rtl8192_proc_fops, f->show)) {
 694                                 RT_TRACE(COMP_ERR,
 695                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 696                                          dev->name, f->name);
 697                                 return;
 698                         }
 699                 }
 700         }
 701 }
 702
 703 static void rtl8192_proc_remove_one(struct net_device *dev)
 704 {
 705         remove_proc_subtree(dev->name, rtl8192_proc);
 706 }
 707
 708 /****************************************************************************
 709    -----------------------------MISC STUFF-------------------------
 710 *****************************************************************************/
 711
 712 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 713 {
 714         struct r8192_priv *priv = ieee80211_priv(dev);
 715         int used = atomic_read(&priv->tx_pending[queue_index]);
 716
 717         return (used < MAX_TX_URB);
 718 }
 719
 720 static void tx_timeout(struct net_device *dev)
 721 {
 722         struct r8192_priv *priv = ieee80211_priv(dev);
 723
 724         schedule_work(&priv->reset_wq);
 725 }
 726
 727 void rtl8192_update_msr(struct net_device *dev)
 728 {
 729         struct r8192_priv *priv = ieee80211_priv(dev);
 730         u8 msr;
 731
 732         read_nic_byte(dev, MSR, &msr);
 733         msr &= ~MSR_LINK_MASK;
 734
 735         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 736          * msr must be updated if the state is ASSOCIATING.
 737          * this is intentional and make sense for ad-hoc and
 738          * master (see the create BSS/IBSS func)
 739          */
 740         if (priv->ieee80211->state == IEEE80211_LINKED) {
 741
 742                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 743                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 744                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 745                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 746                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 747                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 748
 749         } else {
 750                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 751         }
 752
 753         write_nic_byte(dev, MSR, msr);
 754 }
 755
 756 void rtl8192_set_chan(struct net_device *dev, short ch)
 757 {
 758         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 759
 760         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 761         priv->chan = ch;
 762
 763         /* this hack should avoid frame TX during channel setting*/
 764
 765         /* need to implement rf set channel here */
 766
 767         if (priv->rf_set_chan)
 768                 priv->rf_set_chan(dev, priv->chan);
 769         mdelay(10);
 770 }
 771
 772 static void rtl8192_rx_isr(struct urb *urb);
 773
 774 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 775 {
 776
 777         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 778                 + pstats->RxBufShift);
 779
 780 }
 781 static int rtl8192_rx_initiate(struct net_device *dev)
 782 {
 783         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 784         struct urb *entry;
 785         struct sk_buff *skb;
 786         struct rtl8192_rx_info *info;
 787
 788         /* nomal packet rx procedure */
 789         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 790                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 791                 if (!skb)
 792                         break;
 793                 entry = usb_alloc_urb(0, GFP_KERNEL);
 794                 if (!entry) {
 795                         kfree_skb(skb);
 796                         break;
 797                 }
 798                 usb_fill_bulk_urb(entry, priv->udev,
 799                                   usb_rcvbulkpipe(priv->udev, 3),
 800                                   skb_tail_pointer(skb),
 801                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 802                 info = (struct rtl8192_rx_info *)skb->cb;
 803                 info->urb = entry;
 804                 info->dev = dev;
 805                 info->out_pipe = 3; /* denote rx normal packet queue */
 806                 skb_queue_tail(&priv->rx_queue, skb);
 807                 usb_submit_urb(entry, GFP_KERNEL);
 808         }
 809
 810         /* command packet rx procedure */
 811         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 812                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 813                 if (!skb)
 814                         break;
 815                 entry = usb_alloc_urb(0, GFP_KERNEL);
 816                 if (!entry) {
 817                         kfree_skb(skb);
 818                         break;
 819                 }
 820                 usb_fill_bulk_urb(entry, priv->udev,
 821                                   usb_rcvbulkpipe(priv->udev, 9),
 822                                   skb_tail_pointer(skb),
 823                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 824                 info = (struct rtl8192_rx_info *)skb->cb;
 825                 info->urb = entry;
 826                 info->dev = dev;
 827                 info->out_pipe = 9; /* denote rx cmd packet queue */
 828                 skb_queue_tail(&priv->rx_queue, skb);
 829                 usb_submit_urb(entry, GFP_KERNEL);
 830         }
 831
 832         return 0;
 833 }
 834
 835 void rtl8192_set_rxconf(struct net_device *dev)
 836 {
 837         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 838         u32 rxconf;
 839
 840         read_nic_dword(dev, RCR, &rxconf);
 841         rxconf = rxconf & ~MAC_FILTER_MASK;
 842         rxconf = rxconf | RCR_AMF;
 843         rxconf = rxconf | RCR_ADF;
 844         rxconf = rxconf | RCR_AB;
 845         rxconf = rxconf | RCR_AM;
 846
 847         if (dev->flags & IFF_PROMISC)
 848                 DMESG("NIC in promisc mode");
 849
 850         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 851             dev->flags & IFF_PROMISC) {
 852                 rxconf = rxconf | RCR_AAP;
 853         } else {
 854                 rxconf = rxconf | RCR_APM;
 855                 rxconf = rxconf | RCR_CBSSID;
 856         }
 857
 858
 859         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 860                 rxconf = rxconf | RCR_AICV;
 861                 rxconf = rxconf | RCR_APWRMGT;
 862         }
 863
 864         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 865                 rxconf = rxconf | RCR_ACRC32;
 866
 867
 868         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 869         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 870         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 871         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 872
 873         rxconf = rxconf | RCR_ONLYERLPKT;
 874
 875         write_nic_dword(dev, RCR, rxconf);
 876 }
 877 /* wait to be removed */
 878 void rtl8192_rx_enable(struct net_device *dev)
 879 {
 880         rtl8192_rx_initiate(dev);
 881 }
 882
 883
 884 void rtl8192_tx_enable(struct net_device *dev)
 885 {
 886 }
 887
 888
 889
 890 void rtl8192_rtx_disable(struct net_device *dev)
 891 {
 892         u8 cmd;
 893         struct r8192_priv *priv = ieee80211_priv(dev);
 894         struct sk_buff *skb;
 895         struct rtl8192_rx_info *info;
 896
 897         read_nic_byte(dev, CMDR, &cmd);
 898         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 899         force_pci_posting(dev);
 900         mdelay(10);
 901
 902         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 903                 info = (struct rtl8192_rx_info *)skb->cb;
 904                 if (!info->urb)
 905                         continue;
 906
 907                 usb_kill_urb(info->urb);
 908                 kfree_skb(skb);
 909         }
 910
 911         if (skb_queue_len(&priv->skb_queue))
 912                 netdev_warn(dev, "skb_queue not empty\n");
 913
 914         skb_queue_purge(&priv->skb_queue);
 915 }
 916
 917 inline u16 ieeerate2rtlrate(int rate)
 918 {
 919         switch (rate) {
 920         case 10:
 921                 return 0;
 922         case 20:
 923                 return 1;
 924         case 55:
 925                 return 2;
 926         case 110:
 927                 return 3;
 928         case 60:
 929                 return 4;
 930         case 90:
 931                 return 5;
 932         case 120:
 933                 return 6;
 934         case 180:
 935                 return 7;
 936         case 240:
 937                 return 8;
 938         case 360:
 939                 return 9;
 940         case 480:
 941                 return 10;
 942         case 540:
 943                 return 11;
 944         default:
 945                 return 3;
 946
 947         }
 948 }
 949 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
 950 inline u16 rtl8192_rate2rate(short rate)
 951 {
 952         if (rate > 11)
 953                 return 0;
 954         return rtl_rate[rate];
 955 }
 956
 957
 958 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 959 static void rtl8192_rx_isr(struct urb *urb)
 960 {
 961         struct sk_buff *skb = (struct sk_buff *)urb->context;
 962         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 963         struct net_device *dev = info->dev;
 964         struct r8192_priv *priv = ieee80211_priv(dev);
 965         int out_pipe = info->out_pipe;
 966         int err;
 967
 968         if (!priv->up)
 969                 return;
 970
 971         if (unlikely(urb->status)) {
 972                 info->urb = NULL;
 973                 priv->stats.rxstaterr++;
 974                 priv->ieee80211->stats.rx_errors++;
 975                 usb_free_urb(urb);
 976                 return;
 977         }
 978         skb_unlink(skb, &priv->rx_queue);
 979         skb_put(skb, urb->actual_length);
 980
 981         skb_queue_tail(&priv->skb_queue, skb);
 982         tasklet_schedule(&priv->irq_rx_tasklet);
 983
 984         skb = dev_alloc_skb(RX_URB_SIZE);
 985         if (unlikely(!skb)) {
 986                 usb_free_urb(urb);
 987                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 988                 /* TODO check rx queue length and refill *somewhere* */
 989                 return;
 990         }
 991
 992         usb_fill_bulk_urb(urb, priv->udev,
 993                           usb_rcvbulkpipe(priv->udev, out_pipe),
 994                           skb_tail_pointer(skb),
 995                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 996
 997         info = (struct rtl8192_rx_info *)skb->cb;
 998         info->urb = urb;
 999         info->dev = dev;
1000         info->out_pipe = out_pipe;
1001
1002         urb->transfer_buffer = skb_tail_pointer(skb);
1003         urb->context = skb;
1004         skb_queue_tail(&priv->rx_queue, skb);
1005         err = usb_submit_urb(urb, GFP_ATOMIC);
1006         if (err && err != EPERM)
1007                 netdev_err(dev,
1008                            "can not submit rxurb, err is %x, URB status is %x\n",
1009                            err, urb->status);
1010 }
1011
1012 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
1013                                         struct ieee80211_rx_stats *pstats)
1014 {
1015         u32     status;
1016
1017         status = cmpk_message_handle_rx(dev, pstats);
1018         if (status)
1019                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
1020
1021         return status;
1022 }
1023
1024
1025 static void rtl8192_data_hard_stop(struct net_device *dev)
1026 {
1027         /* FIXME !! */
1028 }
1029
1030
1031 static void rtl8192_data_hard_resume(struct net_device *dev)
1032 {
1033         /* FIXME !! */
1034 }
1035
1036 /* this function TX data frames when the ieee80211 stack requires this.
1037  * It checks also if we need to stop the ieee tx queue, eventually do it
1038  */
1039 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1040                                    int rate)
1041 {
1042         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1043         int ret;
1044         unsigned long flags;
1045         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1046         u8 queue_index = tcb_desc->queue_index;
1047
1048         /* shall not be referred by command packet */
1049         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1050
1051         spin_lock_irqsave(&priv->tx_lock, flags);
1052
1053         *(struct net_device **)(skb->cb) = dev;
1054         tcb_desc->bTxEnableFwCalcDur = 1;
1055         skb_push(skb, priv->ieee80211->tx_headroom);
1056         ret = rtl8192_tx(dev, skb);
1057
1058         spin_unlock_irqrestore(&priv->tx_lock, flags);
1059 }
1060
1061 /* This is a rough attempt to TX a frame
1062  * This is called by the ieee 80211 stack to TX management frames.
1063  * If the ring is full packet are dropped (for data frame the queue
1064  * is stopped before this can happen).
1065  */
1066 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1067 {
1068         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1069         int ret;
1070         unsigned long flags;
1071         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1072         u8 queue_index = tcb_desc->queue_index;
1073
1074
1075         spin_lock_irqsave(&priv->tx_lock, flags);
1076
1077         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1078         if (queue_index == TXCMD_QUEUE) {
1079                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1080                 rtl819xU_tx_cmd(dev, skb);
1081                 ret = 1;
1082         } else {
1083                 skb_push(skb, priv->ieee80211->tx_headroom);
1084                 ret = rtl8192_tx(dev, skb);
1085         }
1086
1087         spin_unlock_irqrestore(&priv->tx_lock, flags);
1088
1089         return ret;
1090 }
1091
1092 static void rtl8192_tx_isr(struct urb *tx_urb)
1093 {
1094         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1095         struct net_device *dev = *(struct net_device **)(skb->cb);
1096         struct r8192_priv *priv = NULL;
1097         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1098         u8  queue_index = tcb_desc->queue_index;
1099
1100         priv = ieee80211_priv(dev);
1101
1102         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1103                 if (tx_urb->status == 0) {
1104                         dev->trans_start = jiffies;
1105                         priv->stats.txoktotal++;
1106                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1107                         priv->stats.txbytesunicast +=
1108                                 (skb->len - priv->ieee80211->tx_headroom);
1109                 } else {
1110                         priv->ieee80211->stats.tx_errors++;
1111                         /* TODO */
1112                 }
1113         }
1114
1115         /* free skb and tx_urb */
1116         if (skb != NULL) {
1117                 dev_kfree_skb_any(skb);
1118                 usb_free_urb(tx_urb);
1119                 atomic_dec(&priv->tx_pending[queue_index]);
1120         }
1121
1122         /*
1123          * Handle HW Beacon:
1124          * We had transfer our beacon frame to host controller at this moment.
1125          *
1126          *
1127          * Caution:
1128          * Handling the wait queue of command packets.
1129          * For Tx command packets, we must not do TCB fragment because it is
1130          * not handled right now. We must cut the packets to match the size of
1131          * TX_CMD_PKT before we send it.
1132          */
1133
1134         /* Handle MPDU in wait queue. */
1135         if (queue_index != BEACON_QUEUE) {
1136                 /* Don't send data frame during scanning.*/
1137                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1138                     (!(priv->ieee80211->queue_stop))) {
1139                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1140                         if (skb)
1141                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1142                                                                          dev);
1143
1144                         return; /* avoid further processing AMSDU */
1145                 }
1146         }
1147
1148 }
1149
1150 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1151 {
1152         struct r8192_priv *priv = ieee80211_priv(dev);
1153         struct ieee80211_network *net;
1154         u8 i = 0, basic_rate = 0;
1155
1156         net = &priv->ieee80211->current_network;
1157
1158         for (i = 0; i < net->rates_len; i++) {
1159                 basic_rate = net->rates[i] & 0x7f;
1160                 switch (basic_rate) {
1161                 case MGN_1M:
1162                         *rate_config |= RRSR_1M;
1163                         break;
1164                 case MGN_2M:
1165                         *rate_config |= RRSR_2M;
1166                         break;
1167                 case MGN_5_5M:
1168                         *rate_config |= RRSR_5_5M;
1169                         break;
1170                 case MGN_11M:
1171                         *rate_config |= RRSR_11M;
1172                         break;
1173                 case MGN_6M:
1174                         *rate_config |= RRSR_6M;
1175                         break;
1176                 case MGN_9M:
1177                         *rate_config |= RRSR_9M;
1178                         break;
1179                 case MGN_12M:
1180                         *rate_config |= RRSR_12M;
1181                         break;
1182                 case MGN_18M:
1183                         *rate_config |= RRSR_18M;
1184                         break;
1185                 case MGN_24M:
1186                         *rate_config |= RRSR_24M;
1187                         break;
1188                 case MGN_36M:
1189                         *rate_config |= RRSR_36M;
1190                         break;
1191                 case MGN_48M:
1192                         *rate_config |= RRSR_48M;
1193                         break;
1194                 case MGN_54M:
1195                         *rate_config |= RRSR_54M;
1196                         break;
1197                 }
1198         }
1199         for (i = 0; i < net->rates_ex_len; i++) {
1200                 basic_rate = net->rates_ex[i] & 0x7f;
1201                 switch (basic_rate) {
1202                 case MGN_1M:
1203                         *rate_config |= RRSR_1M;
1204                         break;
1205                 case MGN_2M:
1206                         *rate_config |= RRSR_2M;
1207                         break;
1208                 case MGN_5_5M:
1209                         *rate_config |= RRSR_5_5M;
1210                         break;
1211                 case MGN_11M:
1212                         *rate_config |= RRSR_11M;
1213                         break;
1214                 case MGN_6M:
1215                         *rate_config |= RRSR_6M;
1216                         break;
1217                 case MGN_9M:
1218                         *rate_config |= RRSR_9M;
1219                         break;
1220                 case MGN_12M:
1221                         *rate_config |= RRSR_12M;
1222                         break;
1223                 case MGN_18M:
1224                         *rate_config |= RRSR_18M;
1225                         break;
1226                 case MGN_24M:
1227                         *rate_config |= RRSR_24M;
1228                         break;
1229                 case MGN_36M:
1230                         *rate_config |= RRSR_36M;
1231                         break;
1232                 case MGN_48M:
1233                         *rate_config |= RRSR_48M;
1234                         break;
1235                 case MGN_54M:
1236                         *rate_config |= RRSR_54M;
1237                         break;
1238                 }
1239         }
1240 }
1241
1242
1243 #define SHORT_SLOT_TIME 9
1244 #define NON_SHORT_SLOT_TIME 20
1245
1246 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1247 {
1248         u32 tmp = 0;
1249         struct r8192_priv *priv = ieee80211_priv(dev);
1250         struct ieee80211_network *net = &priv->ieee80211->current_network;
1251
1252         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1253         tmp = priv->basic_rate;
1254         if (priv->short_preamble)
1255                 tmp |= BRSR_AckShortPmb;
1256         write_nic_dword(dev, RRSR, tmp);
1257
1258         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1259                 u8 slot_time = 0;
1260
1261                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1262                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1263                         /* short slot time */
1264                         slot_time = SHORT_SLOT_TIME;
1265                 else    /* long slot time */
1266                         slot_time = NON_SHORT_SLOT_TIME;
1267                 priv->slot_time = slot_time;
1268                 write_nic_byte(dev, SLOT_TIME, slot_time);
1269         }
1270
1271 }
1272 static void rtl8192_net_update(struct net_device *dev)
1273 {
1274
1275         struct r8192_priv *priv = ieee80211_priv(dev);
1276         struct ieee80211_network *net;
1277         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1278         u16 rate_config = 0;
1279
1280         net = &priv->ieee80211->current_network;
1281
1282         rtl8192_config_rate(dev, &rate_config);
1283         priv->basic_rate = rate_config & 0x15f;
1284
1285         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1286         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1287
1288         rtl8192_update_msr(dev);
1289         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1290                 write_nic_word(dev, ATIMWND, 2);
1291                 write_nic_word(dev, BCN_DMATIME, 1023);
1292                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1293                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1294                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1295                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1296                 /* TODO: BcnIFS may required to be changed on ASIC */
1297                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1298
1299                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1300         }
1301
1302
1303
1304 }
1305
1306 /* temporary hw beacon is not used any more.
1307  * open it when necessary
1308  */
1309 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1310 {
1311
1312 }
1313 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1314 {
1315         if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1316                 return 1;
1317         else
1318                 return 0;
1319 }
1320
1321 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1322 {
1323         struct r8192_priv *priv = ieee80211_priv(dev);
1324         int                     status;
1325         struct urb              *tx_urb;
1326         unsigned int            idx_pipe;
1327         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1328         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1329         u8 queue_index = tcb_desc->queue_index;
1330
1331         atomic_inc(&priv->tx_pending[queue_index]);
1332         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1333         if (!tx_urb) {
1334                 dev_kfree_skb(skb);
1335                 return -ENOMEM;
1336         }
1337
1338         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1339         /* Tx descriptor ought to be set according to the skb->cb */
1340         pdesc->FirstSeg = 1;
1341         pdesc->LastSeg = 1;
1342         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1343         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1344         pdesc->OWN = 1;
1345         pdesc->LINIP = tcb_desc->bLastIniPkt;
1346
1347         /*---------------------------------------------------------------------
1348          * Fill up USB_OUT_CONTEXT.
1349          *---------------------------------------------------------------------
1350          */
1351         idx_pipe = 0x04;
1352         usb_fill_bulk_urb(tx_urb, priv->udev,
1353                           usb_sndbulkpipe(priv->udev, idx_pipe),
1354                           skb->data, skb->len, rtl8192_tx_isr, skb);
1355
1356         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1357
1358         if (!status)
1359                 return 0;
1360
1361         DMESGE("Error TX CMD URB, error %d", status);
1362         return -1;
1363 }
1364
1365 /*
1366  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1367  * in TxFwInfo data structure
1368  * 2006.10.30 by Emily
1369  *
1370  * \param QUEUEID       Software Queue
1371 */
1372 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1373 {
1374         u8 QueueSelect = 0x0;       /* defualt set to */
1375
1376         switch (QueueID) {
1377         case BE_QUEUE:
1378                 QueueSelect = QSLT_BE;
1379                 break;
1380
1381         case BK_QUEUE:
1382                 QueueSelect = QSLT_BK;
1383                 break;
1384
1385         case VO_QUEUE:
1386                 QueueSelect = QSLT_VO;
1387                 break;
1388
1389         case VI_QUEUE:
1390                 QueueSelect = QSLT_VI;
1391                 break;
1392         case MGNT_QUEUE:
1393                 QueueSelect = QSLT_MGNT;
1394                 break;
1395
1396         case BEACON_QUEUE:
1397                 QueueSelect = QSLT_BEACON;
1398                 break;
1399
1400                 /* TODO: mark other queue selection until we verify it is OK */
1401                 /* TODO: Remove Assertions */
1402         case TXCMD_QUEUE:
1403                 QueueSelect = QSLT_CMD;
1404                 break;
1405         case HIGH_QUEUE:
1406                 QueueSelect = QSLT_HIGH;
1407                 break;
1408
1409         default:
1410                 RT_TRACE(COMP_ERR,
1411                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1412                          QueueID);
1413                 break;
1414         }
1415         return QueueSelect;
1416 }
1417
1418 static u8 MRateToHwRate8190Pci(u8 rate)
1419 {
1420         u8  ret = DESC90_RATE1M;
1421
1422         switch (rate) {
1423         case MGN_1M:
1424                 ret = DESC90_RATE1M;
1425                 break;
1426         case MGN_2M:
1427                 ret = DESC90_RATE2M;
1428                 break;
1429         case MGN_5_5M:
1430                 ret = DESC90_RATE5_5M;
1431                 break;
1432         case MGN_11M:
1433                 ret = DESC90_RATE11M;
1434                 break;
1435         case MGN_6M:
1436                 ret = DESC90_RATE6M;
1437                 break;
1438         case MGN_9M:
1439                 ret = DESC90_RATE9M;
1440                 break;
1441         case MGN_12M:
1442                 ret = DESC90_RATE12M;
1443                 break;
1444         case MGN_18M:
1445                 ret = DESC90_RATE18M;
1446                 break;
1447         case MGN_24M:
1448                 ret = DESC90_RATE24M;
1449                 break;
1450         case MGN_36M:
1451                 ret = DESC90_RATE36M;
1452                 break;
1453         case MGN_48M:
1454                 ret = DESC90_RATE48M;
1455                 break;
1456         case MGN_54M:
1457                 ret = DESC90_RATE54M;
1458                 break;
1459
1460         /* HT rate since here */
1461         case MGN_MCS0:
1462                 ret = DESC90_RATEMCS0;
1463                 break;
1464         case MGN_MCS1:
1465                 ret = DESC90_RATEMCS1;
1466                 break;
1467         case MGN_MCS2:
1468                 ret = DESC90_RATEMCS2;
1469                 break;
1470         case MGN_MCS3:
1471                 ret = DESC90_RATEMCS3;
1472                 break;
1473         case MGN_MCS4:
1474                 ret = DESC90_RATEMCS4;
1475                 break;
1476         case MGN_MCS5:
1477                 ret = DESC90_RATEMCS5;
1478                 break;
1479         case MGN_MCS6:
1480                 ret = DESC90_RATEMCS6;
1481                 break;
1482         case MGN_MCS7:
1483                 ret = DESC90_RATEMCS7;
1484                 break;
1485         case MGN_MCS8:
1486                 ret = DESC90_RATEMCS8;
1487                 break;
1488         case MGN_MCS9:
1489                 ret = DESC90_RATEMCS9;
1490                 break;
1491         case MGN_MCS10:
1492                 ret = DESC90_RATEMCS10;
1493                 break;
1494         case MGN_MCS11:
1495                 ret = DESC90_RATEMCS11;
1496                 break;
1497         case MGN_MCS12:
1498                 ret = DESC90_RATEMCS12;
1499                 break;
1500         case MGN_MCS13:
1501                 ret = DESC90_RATEMCS13;
1502                 break;
1503         case MGN_MCS14:
1504                 ret = DESC90_RATEMCS14;
1505                 break;
1506         case MGN_MCS15:
1507                 ret = DESC90_RATEMCS15;
1508                 break;
1509         case (0x80 | 0x20):
1510                 ret = DESC90_RATEMCS32;
1511                 break;
1512
1513         default:
1514                 break;
1515         }
1516         return ret;
1517 }
1518
1519
1520 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1521 {
1522         u8   tmp_Short;
1523
1524         tmp_Short = (TxHT == 1) ?
1525                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1526                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1527
1528         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1529                 tmp_Short = 0;
1530
1531         return tmp_Short;
1532 }
1533
1534 static void tx_zero_isr(struct urb *tx_urb)
1535 {
1536 }
1537
1538 /*
1539  * The tx procedure is just as following,
1540  * skb->cb will contain all the following information,
1541  * priority, morefrag, rate, &dev.
1542  * */
1543 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1544 {
1545         struct r8192_priv *priv = ieee80211_priv(dev);
1546         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1547         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1548         tx_fwinfo_819x_usb *tx_fwinfo =
1549                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1550         struct usb_device *udev = priv->udev;
1551         int pend;
1552         int status;
1553         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1554         unsigned int idx_pipe;
1555
1556         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1557         /* we are locked here so the two atomic_read and inc are executed
1558          * without interleaves
1559          * !!! For debug purpose
1560          */
1561         if (pend > MAX_TX_URB) {
1562                 netdev_dbg(dev, "To discard skb packet!\n");
1563                 dev_kfree_skb_any(skb);
1564                 return -1;
1565         }
1566
1567         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1568         if (!tx_urb) {
1569                 dev_kfree_skb_any(skb);
1570                 return -ENOMEM;
1571         }
1572
1573         /* Fill Tx firmware info */
1574         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1575         /* DWORD 0 */
1576         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1577         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1578         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1579         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1580                                         tcb_desc);
1581         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1582                 tx_fwinfo->AllowAggregation = 1;
1583                 /* DWORD 1 */
1584                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1585                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1586         } else {
1587                 tx_fwinfo->AllowAggregation = 0;
1588                 /* DWORD 1 */
1589                 tx_fwinfo->RxMF = 0;
1590                 tx_fwinfo->RxAMD = 0;
1591         }
1592
1593         /* Protection mode related */
1594         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1595         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1596         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1597         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1598         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1599         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1600         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1601         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1602                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1603
1604         /* Set Bandwidth and sub-channel settings. */
1605         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1606                 if (tcb_desc->bPacketBW) {
1607                         tx_fwinfo->TxBandwidth = 1;
1608                         /* use duplicated mode */
1609                         tx_fwinfo->TxSubCarrier = 0;
1610                 } else {
1611                         tx_fwinfo->TxBandwidth = 0;
1612                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1613                 }
1614         } else {
1615                 tx_fwinfo->TxBandwidth = 0;
1616                 tx_fwinfo->TxSubCarrier = 0;
1617         }
1618
1619         /* Fill Tx descriptor */
1620         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1621         /* DWORD 0 */
1622         tx_desc->LINIP = 0;
1623         tx_desc->CmdInit = 1;
1624         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1625         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1626
1627         /*DWORD 1*/
1628         tx_desc->SecCAMID = 0;
1629         tx_desc->RATid = tcb_desc->RATRIndex;
1630         tx_desc->NoEnc = 1;
1631         tx_desc->SecType = 0x0;
1632         if (tcb_desc->bHwSec) {
1633                 switch (priv->ieee80211->pairwise_key_type) {
1634                 case KEY_TYPE_WEP40:
1635                 case KEY_TYPE_WEP104:
1636                         tx_desc->SecType = 0x1;
1637                         tx_desc->NoEnc = 0;
1638                         break;
1639                 case KEY_TYPE_TKIP:
1640                         tx_desc->SecType = 0x2;
1641                         tx_desc->NoEnc = 0;
1642                         break;
1643                 case KEY_TYPE_CCMP:
1644                         tx_desc->SecType = 0x3;
1645                         tx_desc->NoEnc = 0;
1646                         break;
1647                 case KEY_TYPE_NA:
1648                         tx_desc->SecType = 0x0;
1649                         tx_desc->NoEnc = 1;
1650                         break;
1651                 }
1652         }
1653
1654         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1655         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1656
1657         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1658         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1659
1660         /* Fill fields that are required to be initialized in
1661          * all of the descriptors
1662          */
1663         /* DWORD 0 */
1664         tx_desc->FirstSeg = 1;
1665         tx_desc->LastSeg = 1;
1666         tx_desc->OWN = 1;
1667
1668         /* DWORD 2 */
1669         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1670         idx_pipe = 0x5;
1671
1672         /* To submit bulk urb */
1673         usb_fill_bulk_urb(tx_urb, udev,
1674                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1675                           skb->len, rtl8192_tx_isr, skb);
1676
1677         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1678         if (!status) {
1679                 /* We need to send 0 byte packet whenever
1680                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1681                  * been transmitted. Otherwise, it will be halt to wait for
1682                  * another packet.
1683                  */
1684                 bool bSend0Byte = false;
1685                 u8 zero = 0;
1686
1687                 if (udev->speed == USB_SPEED_HIGH) {
1688                         if (skb->len > 0 && skb->len % 512 == 0)
1689                                 bSend0Byte = true;
1690                 } else {
1691                         if (skb->len > 0 && skb->len % 64 == 0)
1692                                 bSend0Byte = true;
1693                 }
1694                 if (bSend0Byte) {
1695                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1696                         if (!tx_urb_zero) {
1697                                 RT_TRACE(COMP_ERR,
1698                                          "can't alloc urb for zero byte\n");
1699                                 return -ENOMEM;
1700                         }
1701                         usb_fill_bulk_urb(tx_urb_zero, udev,
1702                                           usb_sndbulkpipe(udev, idx_pipe),
1703                                           &zero, 0, tx_zero_isr, dev);
1704                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1705                         if (status) {
1706                                 RT_TRACE(COMP_ERR,
1707                                          "Error TX URB for zero byte %d, error %d",
1708                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1709                                          status);
1710                                 return -1;
1711                         }
1712                 }
1713                 dev->trans_start = jiffies;
1714                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1715                 return 0;
1716         }
1717
1718         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1719                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1720                  status);
1721         return -1;
1722 }
1723
1724 static short rtl8192_usb_initendpoints(struct net_device *dev)
1725 {
1726         struct r8192_priv *priv = ieee80211_priv(dev);
1727
1728         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1729                                GFP_KERNEL);
1730         if (priv->rx_urb == NULL)
1731                 return -ENOMEM;
1732
1733 #ifndef JACKSON_NEW_RX
1734         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1735
1736                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1737
1738                 priv->rx_urb[i]->transfer_buffer =
1739                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1740
1741                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1742         }
1743 #endif
1744
1745 #ifdef THOMAS_BEACON
1746         {
1747                 long align = 0;
1748                 void *oldaddr, *newaddr;
1749
1750                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1751                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1752                 if (!priv->oldaddr)
1753                         return -ENOMEM;
1754                 oldaddr = priv->oldaddr;
1755                 align = ((long)oldaddr) & 3;
1756                 if (align) {
1757                         newaddr = oldaddr + 4 - align;
1758                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1759                 } else {
1760                         newaddr = oldaddr;
1761                         priv->rx_urb[16]->transfer_buffer_length = 16;
1762                 }
1763                 priv->rx_urb[16]->transfer_buffer = newaddr;
1764         }
1765 #endif
1766
1767         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1768         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1769                                  GFP_KERNEL);
1770         if (!priv->pp_rxskb) {
1771                 kfree(priv->rx_urb);
1772
1773                 priv->pp_rxskb = NULL;
1774                 priv->rx_urb = NULL;
1775
1776                 DMESGE("Endpoint Alloc Failure");
1777                 return -ENOMEM;
1778         }
1779
1780         netdev_dbg(dev, "End of initendpoints\n");
1781         return 0;
1782
1783 }
1784 #ifdef THOMAS_BEACON
1785 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1786 {
1787         int i;
1788         struct r8192_priv *priv = ieee80211_priv(dev);
1789
1790         if (priv->rx_urb) {
1791                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1792                         usb_kill_urb(priv->rx_urb[i]);
1793                         usb_free_urb(priv->rx_urb[i]);
1794                 }
1795                 kfree(priv->rx_urb);
1796                 priv->rx_urb = NULL;
1797         }
1798         kfree(priv->oldaddr);
1799         priv->oldaddr = NULL;
1800
1801         kfree(priv->pp_rxskb);
1802         priv->pp_rxskb = NULL;
1803 }
1804 #else
1805 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1806 {
1807         int i;
1808         struct r8192_priv *priv = ieee80211_priv(dev);
1809
1810 #ifndef JACKSON_NEW_RX
1811
1812         if (priv->rx_urb) {
1813                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1814                         usb_kill_urb(priv->rx_urb[i]);
1815                         kfree(priv->rx_urb[i]->transfer_buffer);
1816                         usb_free_urb(priv->rx_urb[i]);
1817                 }
1818                 kfree(priv->rx_urb);
1819                 priv->rx_urb = NULL;
1820
1821         }
1822 #else
1823         kfree(priv->rx_urb);
1824         priv->rx_urb = NULL;
1825         kfree(priv->oldaddr);
1826         priv->oldaddr = NULL;
1827
1828         kfree(priv->pp_rxskb);
1829         priv->pp_rxskb = 0;
1830
1831 #endif
1832 }
1833 #endif
1834
1835 static void rtl8192_update_ratr_table(struct net_device *dev);
1836 static void rtl8192_link_change(struct net_device *dev)
1837 {
1838         struct r8192_priv *priv = ieee80211_priv(dev);
1839         struct ieee80211_device *ieee = priv->ieee80211;
1840
1841         if (ieee->state == IEEE80211_LINKED) {
1842                 rtl8192_net_update(dev);
1843                 rtl8192_update_ratr_table(dev);
1844                 /* Add this as in pure N mode, wep encryption will use software
1845                  * way, but there is no chance to set this as wep will not set
1846                  * group key in wext.
1847                  */
1848                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1849                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1850                         EnableHWSecurityConfig8192(dev);
1851         }
1852         /*update timing params*/
1853         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1854                 u32 reg = 0;
1855
1856                 read_nic_dword(dev, RCR, &reg);
1857                 if (priv->ieee80211->state == IEEE80211_LINKED)
1858                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1859                 else
1860                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1861                 write_nic_dword(dev, RCR, reg);
1862         }
1863 }
1864
1865 static struct ieee80211_qos_parameters def_qos_parameters = {
1866         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1867         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1868         {2, 2, 2, 2},/* aifs */
1869         {0, 0, 0, 0},/* flags */
1870         {0, 0, 0, 0} /* tx_op_limit */
1871 };
1872
1873
1874 static void rtl8192_update_beacon(struct work_struct *work)
1875 {
1876         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1877                                                update_beacon_wq.work);
1878         struct net_device *dev = priv->ieee80211->dev;
1879         struct ieee80211_device *ieee = priv->ieee80211;
1880         struct ieee80211_network *net = &ieee->current_network;
1881
1882         if (ieee->pHTInfo->bCurrentHTSupport)
1883                 HTUpdateSelfAndPeerSetting(ieee, net);
1884         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1885                 net->bssht.bdRT2RTLongSlotTime;
1886         rtl8192_update_cap(dev, net->capability);
1887 }
1888 /*
1889 * background support to run QoS activate functionality
1890 */
1891 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1892                              EDCAPARA_VI, EDCAPARA_VO};
1893 static void rtl8192_qos_activate(struct work_struct *work)
1894 {
1895         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1896                                                qos_activate);
1897         struct net_device *dev = priv->ieee80211->dev;
1898         struct ieee80211_qos_parameters *qos_parameters =
1899                 &priv->ieee80211->current_network.qos_data.parameters;
1900         u8 mode = priv->ieee80211->current_network.mode;
1901         u32  u1bAIFS;
1902         u32 u4bAcParam;
1903         u32 op_limit;
1904         u32 cw_max;
1905         u32 cw_min;
1906         int i;
1907
1908         mutex_lock(&priv->mutex);
1909         if (priv->ieee80211->state != IEEE80211_LINKED)
1910                 goto success;
1911         RT_TRACE(COMP_QOS,
1912                  "qos active process with associate response received\n");
1913         /* It better set slot time at first
1914          *
1915          * For we just support b/g mode at present, let the slot time at
1916          * 9/20 selection
1917          *
1918          * update the ac parameter to related registers
1919          */
1920         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1921                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1922                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1923                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1924                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1925                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1926                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1927                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1928                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1929                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1930                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1931                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1932         }
1933
1934 success:
1935         mutex_unlock(&priv->mutex);
1936 }
1937
1938 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1939                                              int active_network,
1940                                              struct ieee80211_network *network)
1941 {
1942         int ret = 0;
1943         u32 size = sizeof(struct ieee80211_qos_parameters);
1944
1945         if (priv->ieee80211->state != IEEE80211_LINKED)
1946                 return ret;
1947
1948         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1949                 return ret;
1950
1951         if (network->flags & NETWORK_HAS_QOS_MASK) {
1952                 if (active_network &&
1953                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1954                         network->qos_data.active = network->qos_data.supported;
1955
1956                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1957                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1958                     (network->qos_data.old_param_count !=
1959                      network->qos_data.param_count)) {
1960                         network->qos_data.old_param_count =
1961                                 network->qos_data.param_count;
1962                         queue_work(priv->priv_wq, &priv->qos_activate);
1963                         RT_TRACE(COMP_QOS,
1964                                  "QoS parameters change call qos_activate\n");
1965                 }
1966         } else {
1967                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1968                        &def_qos_parameters, size);
1969
1970                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1971                         queue_work(priv->priv_wq, &priv->qos_activate);
1972                         RT_TRACE(COMP_QOS,
1973                                  "QoS was disabled call qos_activate\n");
1974                 }
1975                 network->qos_data.active = 0;
1976                 network->qos_data.supported = 0;
1977         }
1978
1979         return 0;
1980 }
1981
1982 /* handle and manage frame from beacon and probe response */
1983 static int rtl8192_handle_beacon(struct net_device *dev,
1984                                  struct ieee80211_beacon *beacon,
1985                                  struct ieee80211_network *network)
1986 {
1987         struct r8192_priv *priv = ieee80211_priv(dev);
1988
1989         rtl8192_qos_handle_probe_response(priv, 1, network);
1990         queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1991         return 0;
1992
1993 }
1994
1995 /*
1996 * handling the beaconing responses. if we get different QoS setting
1997 * off the network from the associated setting, adjust the QoS
1998 * setting
1999 */
2000 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
2001                                         struct ieee80211_network *network)
2002 {
2003         unsigned long flags;
2004         u32 size = sizeof(struct ieee80211_qos_parameters);
2005         int set_qos_param = 0;
2006
2007         if ((priv == NULL) || (network == NULL))
2008                 return 0;
2009
2010         if (priv->ieee80211->state != IEEE80211_LINKED)
2011                 return 0;
2012
2013         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
2014                 return 0;
2015
2016         spin_lock_irqsave(&priv->ieee80211->lock, flags);
2017         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2018                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2019                        &network->qos_data.parameters,
2020                        sizeof(struct ieee80211_qos_parameters));
2021                 priv->ieee80211->current_network.qos_data.active = 1;
2022                 set_qos_param = 1;
2023                 /* update qos parameter for current network */
2024                 priv->ieee80211->current_network.qos_data.old_param_count =
2025                         priv->ieee80211->current_network.qos_data.param_count;
2026                 priv->ieee80211->current_network.qos_data.param_count =
2027                         network->qos_data.param_count;
2028         } else {
2029                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2030                        &def_qos_parameters, size);
2031                 priv->ieee80211->current_network.qos_data.active = 0;
2032                 priv->ieee80211->current_network.qos_data.supported = 0;
2033                 set_qos_param = 1;
2034         }
2035
2036         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2037
2038         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
2039                  network->flags,
2040                  priv->ieee80211->current_network.qos_data.active);
2041         if (set_qos_param == 1)
2042                 queue_work(priv->priv_wq, &priv->qos_activate);
2043
2044
2045         return 0;
2046 }
2047
2048
2049 static int rtl8192_handle_assoc_response(
2050                 struct net_device *dev,
2051                 struct ieee80211_assoc_response_frame *resp,
2052                 struct ieee80211_network *network)
2053 {
2054         struct r8192_priv *priv = ieee80211_priv(dev);
2055
2056         rtl8192_qos_association_resp(priv, network);
2057         return 0;
2058 }
2059
2060
2061 static void rtl8192_update_ratr_table(struct net_device *dev)
2062 {
2063         struct r8192_priv *priv = ieee80211_priv(dev);
2064         struct ieee80211_device *ieee = priv->ieee80211;
2065         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2066         u32 ratr_value = 0;
2067         u8 rate_index = 0;
2068
2069         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2070         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2071         switch (ieee->mode) {
2072         case IEEE_A:
2073                 ratr_value &= 0x00000FF0;
2074                 break;
2075         case IEEE_B:
2076                 ratr_value &= 0x0000000F;
2077                 break;
2078         case IEEE_G:
2079                 ratr_value &= 0x00000FF7;
2080                 break;
2081         case IEEE_N_24G:
2082         case IEEE_N_5G:
2083                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2084                         ratr_value &= 0x0007F007;
2085                 } else {
2086                         if (priv->rf_type == RF_1T2R)
2087                                 ratr_value &= 0x000FF007;
2088                         else
2089                                 ratr_value &= 0x0F81F007;
2090                 }
2091                 break;
2092         default:
2093                 break;
2094         }
2095         ratr_value &= 0x0FFFFFFF;
2096         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2097                 ratr_value |= 0x80000000;
2098         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2099                  ieee->pHTInfo->bCurShortGI20MHz)
2100                 ratr_value |= 0x80000000;
2101         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2102         write_nic_byte(dev, UFWP, 1);
2103 }
2104
2105 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2106 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2107 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2108 {
2109         struct r8192_priv *priv = ieee80211_priv(dev);
2110         struct ieee80211_device *ieee = priv->ieee80211;
2111         struct ieee80211_network *network = &ieee->current_network;
2112         int wpa_ie_len = ieee->wpa_ie_len;
2113         struct ieee80211_crypt_data *crypt;
2114         int encrypt;
2115
2116         crypt = ieee->crypt[ieee->tx_keyidx];
2117         /* we use connecting AP's capability instead of only security config
2118          * on our driver to distinguish whether it should use N mode or G mode
2119          */
2120         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2121                   (ieee->host_encrypt && crypt && crypt->ops &&
2122                    (0 == strcmp(crypt->ops->name, "WEP")));
2123
2124         /* simply judge  */
2125         if (encrypt && (wpa_ie_len == 0)) {
2126                 /* wep encryption, no N mode setting */
2127                 return false;
2128         } else if ((wpa_ie_len != 0)) {
2129                 /* parse pairwise key type */
2130                 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
2131                         return true;
2132                 else
2133                         return false;
2134         } else {
2135                 return true;
2136         }
2137
2138         return true;
2139 }
2140
2141 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2142 {
2143         struct r8192_priv *priv = ieee80211_priv(dev);
2144
2145         return priv->ieee80211->bHalfWirelessN24GMode;
2146 }
2147
2148 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2149 {
2150         struct ieee80211_device *ieee = priv->ieee80211;
2151         /* We do not consider set support rate for ABG mode, only
2152          * HT MCS rate is set here.
2153          */
2154         if (ieee->mode == WIRELESS_MODE_N_24G ||
2155             ieee->mode == WIRELESS_MODE_N_5G)
2156                 memcpy(ieee->Regdot11HTOperationalRateSet,
2157                        ieee->RegHTSuppRateSet, 16);
2158         else
2159                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2160 }
2161
2162 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2163 {
2164         struct r8192_priv *priv = ieee80211_priv(dev);
2165         u8 ret = 0;
2166
2167         switch (priv->rf_chip) {
2168         case RF_8225:
2169         case RF_8256:
2170         case RF_PSEUDO_11N:
2171                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2172                 break;
2173         case RF_8258:
2174                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2175                 break;
2176         default:
2177                 ret = WIRELESS_MODE_B;
2178                 break;
2179         }
2180         return ret;
2181 }
2182 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2183 {
2184         struct r8192_priv *priv = ieee80211_priv(dev);
2185         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2186
2187         if (wireless_mode == WIRELESS_MODE_AUTO ||
2188             (wireless_mode & bSupportMode) == 0) {
2189                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2190                         wireless_mode = WIRELESS_MODE_N_24G;
2191                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2192                         wireless_mode = WIRELESS_MODE_N_5G;
2193                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2194                         wireless_mode = WIRELESS_MODE_A;
2195                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2196                         wireless_mode = WIRELESS_MODE_G;
2197                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2198                         wireless_mode = WIRELESS_MODE_B;
2199                 } else {
2200                         RT_TRACE(COMP_ERR,
2201                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2202                                  __func__, bSupportMode);
2203                         wireless_mode = WIRELESS_MODE_B;
2204                 }
2205         }
2206 #ifdef TO_DO_LIST
2207         /* TODO: this function doesn't work well at this time,
2208          * we should wait for FPGA
2209          */
2210         ActUpdateChannelAccessSetting(
2211                         pAdapter, pHalData->CurrentWirelessMode,
2212                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2213 #endif
2214         priv->ieee80211->mode = wireless_mode;
2215
2216         if (wireless_mode == WIRELESS_MODE_N_24G ||
2217             wireless_mode == WIRELESS_MODE_N_5G)
2218                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2219         else
2220                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2221         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2222         rtl8192_refresh_supportrate(priv);
2223
2224 }
2225 /* init priv variables here. only non_zero value should be initialized here. */
2226 static void rtl8192_init_priv_variable(struct net_device *dev)
2227 {
2228         struct r8192_priv *priv = ieee80211_priv(dev);
2229         u8 i;
2230
2231         priv->card_8192 = NIC_8192U;
2232         priv->chan = 1; /* set to channel 1 */
2233         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2234         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2235         priv->ieee80211->ieee_up = 0;
2236         priv->retry_rts = DEFAULT_RETRY_RTS;
2237         priv->retry_data = DEFAULT_RETRY_DATA;
2238         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2239         priv->ieee80211->rate = 110; /* 11 mbps */
2240         priv->ieee80211->short_slot = 1;
2241         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2242         priv->CckPwEnl = 6;
2243         /* for silent reset */
2244         priv->IrpPendingCount = 1;
2245         priv->ResetProgress = RESET_TYPE_NORESET;
2246         priv->bForcedSilentReset = false;
2247         priv->bDisableNormalResetCheck = false;
2248         priv->force_reset = false;
2249
2250         /* we don't use FW read/write RF until stable firmware is available. */
2251         priv->ieee80211->FwRWRF = 0;
2252         priv->ieee80211->current_network.beacon_interval =
2253                 DEFAULT_BEACONINTERVAL;
2254         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2255                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2256                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2257                 IEEE_SOFTMAC_BEACONS;
2258
2259         priv->ieee80211->active_scan = 1;
2260         priv->ieee80211->modulation =
2261                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2262         priv->ieee80211->host_encrypt = 1;
2263         priv->ieee80211->host_decrypt = 1;
2264         priv->ieee80211->start_send_beacons = NULL;
2265         priv->ieee80211->stop_send_beacons = NULL;
2266         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2267         priv->ieee80211->set_chan = rtl8192_set_chan;
2268         priv->ieee80211->link_change = rtl8192_link_change;
2269         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2270         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2271         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2272         priv->ieee80211->init_wmmparam_flag = 0;
2273         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2274         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2275         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2276         priv->ieee80211->qos_support = 1;
2277
2278         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2279         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2280         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2281
2282         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2283         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2284                 GetHalfNmodeSupportByAPs819xUsb;
2285         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2286
2287         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2288         priv->card_type = USB;
2289 #ifdef TO_DO_LIST
2290         if (Adapter->bInHctTest) {
2291                 pHalData->ShortRetryLimit = 7;
2292                 pHalData->LongRetryLimit = 7;
2293         }
2294 #endif
2295         priv->ShortRetryLimit = 0x30;
2296         priv->LongRetryLimit = 0x30;
2297         priv->EarlyRxThreshold = 7;
2298         priv->enable_gpio0 = 0;
2299         priv->TransmitConfig =
2300                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2301                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2302                 /* Short retry limit */
2303                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2304                 /* Long retry limit */
2305                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2306                 /* FALSE: HW provides PLCP length and LENGEXT
2307                  * TRUE: SW provides them
2308                  */
2309                 (false ? TCR_SAT : 0);
2310 #ifdef TO_DO_LIST
2311         if (Adapter->bInHctTest)
2312                 pHalData->ReceiveConfig =
2313                         pHalData->CSMethod |
2314                         /* accept management/data */
2315                         RCR_AMF | RCR_ADF |
2316                         /* accept control frame for SW
2317                          * AP needs PS-poll
2318                          */
2319                         RCR_ACF |
2320                         /* accept BC/MC/UC */
2321                         RCR_AB | RCR_AM | RCR_APM |
2322                         /* accept ICV/CRC error
2323                          * packet
2324                          */
2325                         RCR_AICV | RCR_ACRC32 |
2326                         /* Max DMA Burst Size per Tx
2327                          * DMA Burst, 7: unlimited.
2328                          */
2329                         ((u32)7 << RCR_MXDMA_OFFSET) |
2330                         /* Rx FIFO Threshold,
2331                          * 7: No Rx threshold.
2332                          */
2333                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2334                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2335         else
2336
2337 #endif
2338         priv->ReceiveConfig     =
2339                 /* accept management/data */
2340                 RCR_AMF | RCR_ADF |
2341                 /* accept control frame for SW AP needs PS-poll */
2342                 RCR_ACF |
2343                 /* accept BC/MC/UC */
2344                 RCR_AB | RCR_AM | RCR_APM |
2345                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2346                 ((u32)7 << RCR_MXDMA_OFFSET) |
2347                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2348                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2349                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2350
2351         priv->AcmControl = 0;
2352         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2353
2354         /* rx related queue */
2355         skb_queue_head_init(&priv->rx_queue);
2356         skb_queue_head_init(&priv->skb_queue);
2357
2358         /* Tx related queue */
2359         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2360                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2361         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2362                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2363         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2364                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2365         priv->rf_set_chan = rtl8192_phy_SwChnl;
2366 }
2367
2368 /* init lock here */
2369 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2370 {
2371         spin_lock_init(&priv->tx_lock);
2372         spin_lock_init(&priv->irq_lock);
2373         sema_init(&priv->wx_sem, 1);
2374         sema_init(&priv->rf_sem, 1);
2375         mutex_init(&priv->mutex);
2376 }
2377
2378 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2379
2380 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2381 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2382 #define DRV_NAME "wlan0"
2383 static void rtl8192_init_priv_task(struct net_device *dev)
2384 {
2385         struct r8192_priv *priv = ieee80211_priv(dev);
2386
2387         priv->priv_wq = create_workqueue(DRV_NAME);
2388
2389         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2390
2391         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2392                           rtl819x_watchdog_wqcallback);
2393         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2394                           dm_txpower_trackingcallback);
2395         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2396                           dm_rf_pathcheck_workitemcallback);
2397         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2398                           rtl8192_update_beacon);
2399         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2400                           InitialGainOperateWorkItemCallBack);
2401         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2402
2403         tasklet_init(&priv->irq_rx_tasklet,
2404                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2405                      (unsigned long)priv);
2406 }
2407
2408 static void rtl8192_get_eeprom_size(struct net_device *dev)
2409 {
2410         u16 curCR = 0;
2411         struct r8192_priv *priv = ieee80211_priv(dev);
2412
2413         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2414         read_nic_word_E(dev, EPROM_CMD, &curCR);
2415         RT_TRACE(COMP_EPROM,
2416                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2417         /* whether need I consider BIT(5?) */
2418         priv->epromtype =
2419                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2420         RT_TRACE(COMP_EPROM,
2421                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2422 }
2423
2424 /* used to swap endian. as ntohl & htonl are not necessary
2425  * to swap endian, so use this instead.
2426  */
2427 static inline u16 endian_swap(u16 *data)
2428 {
2429         u16 tmp = *data;
2430         *data = (tmp >> 8) | (tmp << 8);
2431         return *data;
2432 }
2433 static void rtl8192_read_eeprom_info(struct net_device *dev)
2434 {
2435         u16 wEPROM_ID = 0;
2436         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2437         u8 bLoad_From_EEPOM = false;
2438         struct r8192_priv *priv = ieee80211_priv(dev);
2439         u16 tmpValue = 0;
2440         int i;
2441
2442         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2443         wEPROM_ID = eprom_read(dev, 0); /* first read EEPROM ID out; */
2444         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2445
2446         if (wEPROM_ID != RTL8190_EEPROM_ID)
2447                 RT_TRACE(COMP_ERR,
2448                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2449                          wEPROM_ID, RTL8190_EEPROM_ID);
2450         else
2451                 bLoad_From_EEPOM = true;
2452
2453         if (bLoad_From_EEPOM) {
2454                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2455                 priv->eeprom_vid = endian_swap(&tmpValue);
2456                 priv->eeprom_pid = eprom_read(dev, EEPROM_PID >> 1);
2457                 tmpValue = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2458                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2459                 priv->btxpowerdata_readfromEEPORM = true;
2460                 priv->eeprom_CustomerID =
2461                         eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2462         } else {
2463                 priv->eeprom_vid = 0;
2464                 priv->eeprom_pid = 0;
2465                 priv->card_8192_version = VERSION_819xU_B;
2466                 priv->eeprom_ChannelPlan = 0;
2467                 priv->eeprom_CustomerID = 0;
2468         }
2469         RT_TRACE(COMP_EPROM,
2470                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2471                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2472                  priv->eeprom_ChannelPlan);
2473         /* set channelplan from eeprom */
2474         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2475         if (bLoad_From_EEPOM) {
2476                 int i;
2477
2478                 for (i = 0; i < 6; i += 2) {
2479                         u16 tmp = 0;
2480
2481                         tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2482                         *(u16 *)(&dev->dev_addr[i]) = tmp;
2483                 }
2484         } else {
2485                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2486                 /* should I set IDR0 here? */
2487         }
2488         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2489         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2490         priv->rf_chip = RF_8256;
2491
2492         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2493                 /* read Tx power gain offset of legacy OFDM to HT rate */
2494                 if (bLoad_From_EEPOM)
2495                         priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff >> 1)) & 0xff00) >> 8;
2496                 else
2497                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2498                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2499                 /* read ThermalMeter from EEPROM */
2500                 if (bLoad_From_EEPOM)
2501                         priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter >> 1)) & 0x00ff);
2502                 else
2503                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2504                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2505                 /* for tx power track */
2506                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2507                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2508                 if (bLoad_From_EEPOM)
2509                         priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff >> 1)) & 0x0f00) >> 8;
2510                 else
2511                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2512                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2513                 /* Read CrystalCap from EEPROM */
2514                 if (bLoad_From_EEPOM)
2515                         priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap >> 1)) & 0x0f);
2516                 else
2517                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2518                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2519                 /* get per-channel Tx power level */
2520                 if (bLoad_From_EEPOM)
2521                         priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1)) & 0xff00) >> 8;
2522                 else
2523                         priv->EEPROM_Def_Ver = 1;
2524                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2525                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2526                         int i;
2527
2528                         if (bLoad_From_EEPOM)
2529                                 priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1)) & 0xff) >> 8;
2530                         else
2531                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2532                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2533                         for (i = 0; i < 3; i++) {
2534                                 if (bLoad_From_EEPOM) {
2535                                         tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2536                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2537                                                 tmpValue = tmpValue & 0x00ff;
2538                                         else
2539                                                 tmpValue = (tmpValue & 0xff00) >> 8;
2540                                 } else {
2541                                         tmpValue = 0x10;
2542                                 }
2543                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2544                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2545                         }
2546                 } else if (priv->EEPROM_Def_Ver == 1) {
2547                         if (bLoad_From_EEPOM) {
2548                                 tmpValue = eprom_read(dev,
2549                                                 EEPROM_TxPwIndex_CCK_V1 >> 1);
2550                                 tmpValue = (tmpValue & 0xff00) >> 8;
2551                         } else {
2552                                 tmpValue = 0x10;
2553                         }
2554                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2555
2556                         if (bLoad_From_EEPOM)
2557                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2558                         else
2559                                 tmpValue = 0x1010;
2560                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2561                         if (bLoad_From_EEPOM)
2562                                 tmpValue = eprom_read(dev,
2563                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2564                         else
2565                                 tmpValue = 0x1010;
2566                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2567                         if (bLoad_From_EEPOM)
2568                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2569                         else
2570                                 tmpValue = 0x10;
2571                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2572                 } /* endif EEPROM_Def_Ver == 1 */
2573
2574                 /* update HAL variables */
2575                 for (i = 0; i < 14; i++) {
2576                         if (i <= 3)
2577                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2578                         else if (i >= 4 && i <= 9)
2579                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2580                         else
2581                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2582                 }
2583
2584                 for (i = 0; i < 14; i++) {
2585                         if (priv->EEPROM_Def_Ver == 0) {
2586                                 if (i <= 3)
2587                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2588                                 else if (i >= 4 && i <= 9)
2589                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2590                                 else
2591                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2592                         } else if (priv->EEPROM_Def_Ver == 1) {
2593                                 if (i <= 3)
2594                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2595                                 else if (i >= 4 && i <= 9)
2596                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2597                                 else
2598                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2599                         }
2600                 }
2601                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2602                 /* Antenna B gain offset to antenna A, bit0~3 */
2603                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2604                 /* Antenna C gain offset to antenna A, bit4~7 */
2605                 priv->AntennaTxPwDiff[1] =
2606                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2607                 /* CrystalCap, bit12~15 */
2608                 priv->CrystalCap = priv->EEPROMCrystalCap;
2609                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2610                  * 92U does not enable TX power tracking.
2611                  */
2612                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2613         } /* end if VersionID == VERSION_819xU_A */
2614
2615         /* for dlink led */
2616         switch (priv->eeprom_CustomerID) {
2617         case EEPROM_CID_RUNTOP:
2618                 priv->CustomerID = RT_CID_819x_RUNTOP;
2619                 break;
2620
2621         case EEPROM_CID_DLINK:
2622                 priv->CustomerID = RT_CID_DLINK;
2623                 break;
2624
2625         default:
2626                 priv->CustomerID = RT_CID_DEFAULT;
2627                 break;
2628
2629         }
2630
2631         switch (priv->CustomerID) {
2632         case RT_CID_819x_RUNTOP:
2633                 priv->LedStrategy = SW_LED_MODE2;
2634                 break;
2635
2636         case RT_CID_DLINK:
2637                 priv->LedStrategy = SW_LED_MODE4;
2638                 break;
2639
2640         default:
2641                 priv->LedStrategy = SW_LED_MODE0;
2642                 break;
2643
2644         }
2645
2646
2647         if (priv->rf_type == RF_1T2R)
2648                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2649         else
2650                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2651
2652         /* We can only know RF type in the function. So we have to init
2653          * DIG RATR table again.
2654          */
2655         init_rate_adaptive(dev);
2656
2657         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2658 }
2659
2660 static short rtl8192_get_channel_map(struct net_device *dev)
2661 {
2662         struct r8192_priv *priv = ieee80211_priv(dev);
2663
2664         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2665                 netdev_err(dev,
2666                            "rtl8180_init: Error channel plan! Set to default.\n");
2667                 priv->ChannelPlan = 0;
2668         }
2669         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2670
2671         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2672         return 0;
2673 }
2674
2675 static short rtl8192_init(struct net_device *dev)
2676 {
2677
2678         struct r8192_priv *priv = ieee80211_priv(dev);
2679
2680         memset(&(priv->stats), 0, sizeof(struct Stats));
2681         memset(priv->txqueue_to_outpipemap, 0, 9);
2682 #ifdef PIPE12
2683         {
2684                 int i = 0;
2685                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2686
2687                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2688         }
2689 #else
2690         {
2691                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2692
2693                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2694         }
2695 #endif
2696         rtl8192_init_priv_variable(dev);
2697         rtl8192_init_priv_lock(priv);
2698         rtl8192_init_priv_task(dev);
2699         rtl8192_get_eeprom_size(dev);
2700         rtl8192_read_eeprom_info(dev);
2701         rtl8192_get_channel_map(dev);
2702         init_hal_dm(dev);
2703         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2704                     (unsigned long)dev);
2705         if (rtl8192_usb_initendpoints(dev) != 0) {
2706                 DMESG("Endopoints initialization failed");
2707                 return -ENOMEM;
2708         }
2709
2710         return 0;
2711 }
2712
2713 /******************************************************************************
2714  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2715  *           not to do all the hw config as its name says
2716  *   input:  net_device dev
2717  *  output:  none
2718  *  return:  none
2719  *  notice:  This part need to modified according to the rate set we filtered
2720  * ****************************************************************************/
2721 static void rtl8192_hwconfig(struct net_device *dev)
2722 {
2723         u32 regRATR = 0, regRRSR = 0;
2724         u8 regBwOpMode = 0, regTmp = 0;
2725         struct r8192_priv *priv = ieee80211_priv(dev);
2726         u32 ratr_value = 0;
2727
2728         /* Set RRSR, RATR, and BW_OPMODE registers */
2729         switch (priv->ieee80211->mode) {
2730         case WIRELESS_MODE_B:
2731                 regBwOpMode = BW_OPMODE_20MHZ;
2732                 regRATR = RATE_ALL_CCK;
2733                 regRRSR = RATE_ALL_CCK;
2734                 break;
2735         case WIRELESS_MODE_A:
2736                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2737                 regRATR = RATE_ALL_OFDM_AG;
2738                 regRRSR = RATE_ALL_OFDM_AG;
2739                 break;
2740         case WIRELESS_MODE_G:
2741                 regBwOpMode = BW_OPMODE_20MHZ;
2742                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2743                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2744                 break;
2745         case WIRELESS_MODE_AUTO:
2746 #ifdef TO_DO_LIST
2747                 if (Adapter->bInHctTest) {
2748                         regBwOpMode = BW_OPMODE_20MHZ;
2749                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2750                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2751                 } else
2752 #endif
2753                 {
2754                         regBwOpMode = BW_OPMODE_20MHZ;
2755                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2756                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2757                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2758                 }
2759                 break;
2760         case WIRELESS_MODE_N_24G:
2761                 /* It support CCK rate by default. CCK rate will be filtered
2762                  * out only when associated AP does not support it.
2763                  */
2764                 regBwOpMode = BW_OPMODE_20MHZ;
2765                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2766                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2767                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2768                 break;
2769         case WIRELESS_MODE_N_5G:
2770                 regBwOpMode = BW_OPMODE_5G;
2771                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2772                           RATE_ALL_OFDM_2SS;
2773                 regRRSR = RATE_ALL_OFDM_AG;
2774                 break;
2775         }
2776
2777         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2778         ratr_value = regRATR;
2779         if (priv->rf_type == RF_1T2R)
2780                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2781         write_nic_dword(dev, RATR0, ratr_value);
2782         write_nic_byte(dev, UFWP, 1);
2783         read_nic_byte(dev, 0x313, &regTmp);
2784         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2785         write_nic_dword(dev, RRSR, regRRSR);
2786
2787         /* Set Retry Limit here */
2788         write_nic_word(dev, RETRY_LIMIT,
2789                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2790                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2791         /* Set Contention Window here */
2792
2793         /* Set Tx AGC */
2794
2795         /* Set Tx Antenna including Feedback control */
2796
2797         /* Set Auto Rate fallback control */
2798
2799
2800 }
2801
2802
2803 /* InitializeAdapter and PhyCfg */
2804 static bool rtl8192_adapter_start(struct net_device *dev)
2805 {
2806         struct r8192_priv *priv = ieee80211_priv(dev);
2807         u32 dwRegRead = 0;
2808         bool init_status = true;
2809         u8 SECR_value = 0x0;
2810         u8 tmp;
2811
2812         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2813         priv->Rf_Mode = RF_OP_By_SW_3wire;
2814         /* for ASIC power on sequence */
2815         write_nic_byte_E(dev, 0x5f, 0x80);
2816         mdelay(50);
2817         write_nic_byte_E(dev, 0x5f, 0xf0);
2818         write_nic_byte_E(dev, 0x5d, 0x00);
2819         write_nic_byte_E(dev, 0x5e, 0x80);
2820         write_nic_byte(dev, 0x17, 0x37);
2821         mdelay(10);
2822         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2823         /* config CPUReset Register */
2824         /* Firmware Reset or not? */
2825         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2826         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2827                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2828         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2829                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2830         else
2831                 RT_TRACE(COMP_ERR,
2832                          "ERROR in %s(): undefined firmware state(%d)\n",
2833                          __func__,   priv->pFirmware->firmware_status);
2834
2835         write_nic_dword(dev, CPU_GEN, dwRegRead);
2836         /* config BB. */
2837         rtl8192_BBConfig(dev);
2838
2839         /* Loopback mode or not */
2840         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2841
2842         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2843         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2844                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2845                             CPU_GEN_NO_LOOPBACK_SET;
2846         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2847                 dwRegRead |= CPU_CCK_LOOPBACK;
2848         else
2849                 RT_TRACE(COMP_ERR,
2850                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2851                          __func__,  priv->LoopbackMode);
2852
2853         write_nic_dword(dev, CPU_GEN, dwRegRead);
2854
2855         /* after reset cpu, we need wait for a seconds to write in register. */
2856         udelay(500);
2857
2858         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2859         read_nic_byte_E(dev, 0x5f, &tmp);
2860         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2861
2862         /* Set Hardware */
2863         rtl8192_hwconfig(dev);
2864
2865         /* turn on Tx/Rx */
2866         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2867
2868         /* set IDR0 here */
2869         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2870         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2871
2872         /* set RCR */
2873         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2874
2875         /* Initialize Number of Reserved Pages in Firmware Queue */
2876         write_nic_dword(dev, RQPN1,
2877                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2878                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2879                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2880                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2881         write_nic_dword(dev, RQPN2,
2882                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2883                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2884         write_nic_dword(dev, RQPN3,
2885                 APPLIED_RESERVED_QUEUE_IN_FW |
2886                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2887         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2888
2889         /* Set AckTimeout */
2890         /* TODO: (it value is only for FPGA version). need to be changed!! */
2891         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2892
2893         if (priv->ResetProgress == RESET_TYPE_NORESET)
2894                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2895         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2896                 CamResetAllEntry(dev);
2897                 SECR_value |= SCR_TxEncEnable;
2898                 SECR_value |= SCR_RxDecEnable;
2899                 SECR_value |= SCR_NoSKMC;
2900                 write_nic_byte(dev, SECR, SECR_value);
2901         }
2902
2903         /* Beacon related */
2904         write_nic_word(dev, ATIMWND, 2);
2905         write_nic_word(dev, BCN_INTERVAL, 100);
2906
2907 #define DEFAULT_EDCA 0x005e4332
2908         {
2909                 int i;
2910
2911                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2912                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2913         }
2914
2915         rtl8192_phy_configmac(dev);
2916
2917         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2918                 rtl8192_phy_getTxPower(dev);
2919                 rtl8192_phy_setTxPower(dev, priv->chan);
2920         }
2921
2922         /* Firmware download */
2923         init_status = init_firmware(dev);
2924         if (!init_status) {
2925                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2926                          __func__);
2927                 return init_status;
2928         }
2929         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2930
2931 #ifdef TO_DO_LIST
2932         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2933                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2934                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2935                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2936                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2937                         /* Those actions will be discard in MgntActSet_RF_State
2938                          * because of the same state
2939                          */
2940                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2941                                 PHY_SetRFReg(Adapter,
2942                                              (RF90_RADIO_PATH_E)eRFPath,
2943                                              0x4, 0xC00, 0x0);
2944                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2945                         /* H/W or S/W RF OFF before sleep. */
2946                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2947                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2948                                   pMgntInfo->RfOffReason));
2949                         MgntActSet_RF_State(Adapter,
2950                                             eRfOff,
2951                                             pMgntInfo->RfOffReason);
2952                 } else {
2953                         pHalData->eRFPowerState = eRfOn;
2954                         pMgntInfo->RfOffReason = 0;
2955                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2956                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2957                 }
2958         } else {
2959                 if (pHalData->eRFPowerState == eRfOff) {
2960                         MgntActSet_RF_State(Adapter,
2961                                             eRfOff,
2962                                             pMgntInfo->RfOffReason);
2963                         /* Those actions will be discard in MgntActSet_RF_State
2964                          * because of the same state
2965                          */
2966                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2967                                 PHY_SetRFReg(Adapter,
2968                                              (RF90_RADIO_PATH_E)eRFPath,
2969                                              0x4, 0xC00, 0x0);
2970                 }
2971         }
2972 #endif
2973         /* config RF. */
2974         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2975                 rtl8192_phy_RFConfig(dev);
2976                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2977         }
2978
2979
2980         if (priv->ieee80211->FwRWRF)
2981                 /* We can force firmware to do RF-R/W */
2982                 priv->Rf_Mode = RF_OP_By_FW;
2983         else
2984                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2985
2986
2987         rtl8192_phy_updateInitGain(dev);
2988         /*--set CCK and OFDM Block "ON"--*/
2989         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2990         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2991
2992         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2993                 /* if D or C cut */
2994                 u8 tmpvalue;
2995
2996                 read_nic_byte(dev, 0x301, &tmpvalue);
2997                 if (tmpvalue == 0x03) {
2998                         priv->bDcut = true;
2999                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
3000                 } else {
3001                         priv->bDcut = false;
3002                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3003                 }
3004                 dm_initialize_txpower_tracking(dev);
3005
3006                 if (priv->bDcut) {
3007                         u32 i, TempCCk;
3008                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3009                                                          rOFDM0_XATxIQImbalance,
3010                                                          bMaskDWord);
3011
3012                         for (i = 0; i < TxBBGainTableLength; i++) {
3013                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3014                                         priv->rfa_txpowertrackingindex = (u8)i;
3015                                         priv->rfa_txpowertrackingindex_real =
3016                                                 (u8)i;
3017                                         priv->rfa_txpowertracking_default =
3018                                                 priv->rfa_txpowertrackingindex;
3019                                         break;
3020                                 }
3021                         }
3022
3023                         TempCCk = rtl8192_QueryBBReg(dev,
3024                                                      rCCK0_TxFilter1,
3025                                                      bMaskByte2);
3026
3027                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3028
3029                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3030                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
3031                                         break;
3032                                 }
3033                         }
3034                         priv->cck_present_attentuation_40Mdefault = 0;
3035                         priv->cck_present_attentuation_difference = 0;
3036                         priv->cck_present_attentuation =
3037                                 priv->cck_present_attentuation_20Mdefault;
3038
3039                 }
3040         }
3041         write_nic_byte(dev, 0x87, 0x0);
3042
3043
3044         return init_status;
3045 }
3046
3047 /* this configures registers for beacon tx and enables it via
3048  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3049  * be used to stop beacon transmission
3050  */
3051 /***************************************************************************
3052     -------------------------------NET STUFF---------------------------
3053 ***************************************************************************/
3054
3055 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3056 {
3057         struct r8192_priv *priv = ieee80211_priv(dev);
3058
3059         return &priv->ieee80211->stats;
3060 }
3061
3062 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3063 {
3064         struct r8192_priv *priv = ieee80211_priv(dev);
3065         u16             RegTxCounter;
3066         bool            bStuck = false;
3067
3068         read_nic_word(dev, 0x128, &RegTxCounter);
3069         RT_TRACE(COMP_RESET,
3070                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3071                  RegTxCounter, priv->TxCounter);
3072         if (priv->TxCounter == RegTxCounter)
3073                 bStuck = true;
3074
3075         priv->TxCounter = RegTxCounter;
3076
3077         return bStuck;
3078 }
3079
3080 /*
3081 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3082 *       First added: 2006.11.19 by emily
3083 */
3084 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3085 {
3086         struct r8192_priv *priv = ieee80211_priv(dev);
3087         u8                      QueueID;
3088         bool                    bCheckFwTxCnt = false;
3089
3090         /* Decide such threshold according to current power save mode */
3091
3092         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3093                 if (QueueID == TXCMD_QUEUE)
3094                         continue;
3095                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3096                         continue;
3097
3098                 bCheckFwTxCnt = true;
3099         }
3100         if (bCheckFwTxCnt) {
3101                 if (HalTxCheckStuck819xUsb(dev)) {
3102                         RT_TRACE(COMP_RESET,
3103                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3104                         return RESET_TYPE_SILENT;
3105                 }
3106         }
3107         return RESET_TYPE_NORESET;
3108 }
3109
3110 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3111 {
3112         u16     RegRxCounter;
3113         struct r8192_priv *priv = ieee80211_priv(dev);
3114         bool bStuck = false;
3115         static u8       rx_chk_cnt;
3116
3117         read_nic_word(dev, 0x130, &RegRxCounter);
3118         RT_TRACE(COMP_RESET,
3119                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3120                  RegRxCounter, priv->RxCounter);
3121         /* If rssi is small, we should check rx for long time because of bad rx.
3122          * or maybe it will continuous silent reset every 2 seconds.
3123          */
3124         rx_chk_cnt++;
3125         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3126                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3127         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3128                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3129                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3130                 if (rx_chk_cnt < 2)
3131                         return bStuck;
3132
3133                 rx_chk_cnt = 0;
3134         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3135                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3136                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3137                 if (rx_chk_cnt < 4)
3138                         return bStuck;
3139
3140                 rx_chk_cnt = 0;
3141         } else {
3142                 if (rx_chk_cnt < 8)
3143                         return bStuck;
3144
3145                 rx_chk_cnt = 0;
3146         }
3147
3148         if (priv->RxCounter == RegRxCounter)
3149                 bStuck = true;
3150
3151         priv->RxCounter = RegRxCounter;
3152
3153         return bStuck;
3154 }
3155
3156 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3157 {
3158         struct r8192_priv *priv = ieee80211_priv(dev);
3159         bool        bRxCheck = false;
3160
3161         if (priv->IrpPendingCount > 1)
3162                 bRxCheck = true;
3163
3164         if (bRxCheck) {
3165                 if (HalRxCheckStuck819xUsb(dev)) {
3166                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3167                         return RESET_TYPE_SILENT;
3168                 }
3169         }
3170         return RESET_TYPE_NORESET;
3171 }
3172
3173
3174 /**
3175  * This function is called by Checkforhang to check whether we should
3176  * ask OS to reset driver
3177  *
3178  * \param pAdapter      The adapter context for this miniport
3179  *
3180  * Note:NIC with USB interface sholud not call this function because we
3181  * cannot scan descriptor to judge whether there is tx stuck.
3182  * Note: This function may be required to be rewrite for Vista OS.
3183  * <<<Assumption: Tx spinlock has been acquired >>>
3184  *
3185  * 8185 and 8185b does not implement this function.
3186  */
3187 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3188 {
3189         struct r8192_priv *priv = ieee80211_priv(dev);
3190         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3191         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3192         RT_RF_POWER_STATE       rfState;
3193
3194         rfState = priv->ieee80211->eRFPowerState;
3195
3196         TxResetType = TxCheckStuck(dev);
3197         if (rfState != eRfOff ||
3198             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3199                 /* If driver is in the status of firmware download failure,
3200                  * driver skips RF initialization and RF is in turned off
3201                  * state. Driver should check whether Rx stuck and do silent
3202                  * reset. And if driver is in firmware download failure status,
3203                  * driver should initialize RF in the following silent reset
3204                  * procedure
3205                  *
3206                  * Driver should not check RX stuck in IBSS mode because it is
3207                  * required to set Check BSSID in order to send beacon,
3208                  * however, if check BSSID is set, STA cannot hear any packet
3209                  * at all.
3210                  */
3211                 RxResetType = RxCheckStuck(dev);
3212         }
3213         if (TxResetType == RESET_TYPE_NORMAL ||
3214             RxResetType == RESET_TYPE_NORMAL) {
3215                 return RESET_TYPE_NORMAL;
3216         } else if (TxResetType == RESET_TYPE_SILENT ||
3217                    RxResetType == RESET_TYPE_SILENT) {
3218                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3219                 return RESET_TYPE_SILENT;
3220         } else {
3221                 return RESET_TYPE_NORESET;
3222         }
3223
3224 }
3225
3226 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3227 static int _rtl8192_up(struct net_device *dev);
3228 static int rtl8192_close(struct net_device *dev);
3229
3230
3231
3232 static void CamRestoreAllEntry(struct net_device *dev)
3233 {
3234         u8 EntryId = 0;
3235         struct r8192_priv *priv = ieee80211_priv(dev);
3236         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3237
3238         static u8       CAM_CONST_ADDR[4][6] = {
3239                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3240                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3241                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3242                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3243         static u8       CAM_CONST_BROAD[] = {
3244                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3245
3246         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3247
3248
3249         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3250             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3251
3252                 for (EntryId = 0; EntryId < 4; EntryId++) {
3253                         MacAddr = CAM_CONST_ADDR[EntryId];
3254                         setKey(dev, EntryId, EntryId,
3255                                priv->ieee80211->pairwise_key_type,
3256                                MacAddr, 0, NULL);
3257                 }
3258
3259         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3260
3261                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3262                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3263                                (u8 *)dev->dev_addr, 0, NULL);
3264                 else
3265                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3266                                MacAddr, 0, NULL);
3267         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3268
3269                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3270                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3271                                (u8 *)dev->dev_addr, 0, NULL);
3272                 else
3273                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3274                                MacAddr, 0, NULL);
3275         }
3276
3277
3278
3279         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3280                 MacAddr = CAM_CONST_BROAD;
3281                 for (EntryId = 1; EntryId < 4; EntryId++) {
3282                         setKey(dev, EntryId, EntryId,
3283                                priv->ieee80211->group_key_type,
3284                                MacAddr, 0, NULL);
3285                 }
3286                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3287                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3288                                CAM_CONST_ADDR[0], 0, NULL);
3289         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3290                 MacAddr = CAM_CONST_BROAD;
3291                 for (EntryId = 1; EntryId < 4; EntryId++) {
3292                         setKey(dev, EntryId, EntryId,
3293                                priv->ieee80211->group_key_type,
3294                                MacAddr, 0, NULL);
3295                 }
3296
3297                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3298                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3299                                CAM_CONST_ADDR[0], 0, NULL);
3300         }
3301 }
3302 /* This function is used to fix Tx/Rx stop bug temporarily.
3303  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3304  * The method checking Tx/Rx stuck of this function is supported by FW,
3305  * which reports Tx and Rx counter to register 0x128 and 0x130.
3306  */
3307 static void rtl819x_ifsilentreset(struct net_device *dev)
3308 {
3309         struct r8192_priv *priv = ieee80211_priv(dev);
3310         u8      reset_times = 0;
3311         int reset_status = 0;
3312         struct ieee80211_device *ieee = priv->ieee80211;
3313
3314
3315         /* If we need to check CCK stop, please uncomment this line. */
3316         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3317
3318         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3319 RESET_START:
3320
3321                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3322
3323                 /* Set the variable for reset. */
3324                 priv->ResetProgress = RESET_TYPE_SILENT;
3325                 down(&priv->wx_sem);
3326                 if (priv->up == 0) {
3327                         RT_TRACE(COMP_ERR,
3328                                  "%s():the driver is not up! return\n",
3329                                  __func__);
3330                         up(&priv->wx_sem);
3331                         return;
3332                 }
3333                 priv->up = 0;
3334                 RT_TRACE(COMP_RESET,
3335                          "%s():======>start to down the driver\n",
3336                          __func__);
3337
3338                 rtl8192_rtx_disable(dev);
3339                 rtl8192_cancel_deferred_work(priv);
3340                 deinit_hal_dm(dev);
3341                 del_timer_sync(&priv->watch_dog_timer);
3342
3343                 ieee->sync_scan_hurryup = 1;
3344                 if (ieee->state == IEEE80211_LINKED) {
3345                         down(&ieee->wx_sem);
3346                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3347                         ieee80211_stop_send_beacons(priv->ieee80211);
3348                         del_timer_sync(&ieee->associate_timer);
3349                         cancel_delayed_work(&ieee->associate_retry_wq);
3350                         ieee80211_stop_scan(ieee);
3351                         netif_carrier_off(dev);
3352                         up(&ieee->wx_sem);
3353                 } else {
3354                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3355                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3356                 }
3357                 up(&priv->wx_sem);
3358                 RT_TRACE(COMP_RESET,
3359                          "%s():<==========down process is finished\n",
3360                          __func__);
3361                 RT_TRACE(COMP_RESET,
3362                          "%s():===========>start up the driver\n",
3363                          __func__);
3364                 reset_status = _rtl8192_up(dev);
3365
3366                 RT_TRACE(COMP_RESET,
3367                          "%s():<===========up process is finished\n",
3368                          __func__);
3369                 if (reset_status == -EAGAIN) {
3370                         if (reset_times < 3) {
3371                                 reset_times++;
3372                                 goto RESET_START;
3373                         } else {
3374                                 RT_TRACE(COMP_ERR,
3375                                          " ERR!!! %s():  Reset Failed!!\n",
3376                                          __func__);
3377                         }
3378                 }
3379                 ieee->is_silent_reset = 1;
3380                 EnableHWSecurityConfig8192(dev);
3381                 if (ieee->state == IEEE80211_LINKED &&
3382                     ieee->iw_mode == IW_MODE_INFRA) {
3383                         ieee->set_chan(ieee->dev,
3384                                        ieee->current_network.channel);
3385
3386                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3387
3388                 } else if (ieee->state == IEEE80211_LINKED &&
3389                            ieee->iw_mode == IW_MODE_ADHOC) {
3390                         ieee->set_chan(ieee->dev,
3391                                        ieee->current_network.channel);
3392                         ieee->link_change(ieee->dev);
3393
3394                         ieee80211_start_send_beacons(ieee);
3395
3396                         if (ieee->data_hard_resume)
3397                                 ieee->data_hard_resume(ieee->dev);
3398                         netif_carrier_on(ieee->dev);
3399                 }
3400
3401                 CamRestoreAllEntry(dev);
3402
3403                 priv->ResetProgress = RESET_TYPE_NORESET;
3404                 priv->reset_count++;
3405
3406                 priv->bForcedSilentReset = false;
3407                 priv->bResetInProgress = false;
3408
3409                 /* For test --> force write UFWP. */
3410                 write_nic_byte(dev, UFWP, 1);
3411                 RT_TRACE(COMP_RESET,
3412                          "Reset finished!! ====>[%d]\n",
3413                          priv->reset_count);
3414         }
3415 }
3416
3417 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3418                              u32 *TotalRxDataNum)
3419 {
3420         u16                     SlotIndex;
3421         u16                     i;
3422
3423         *TotalRxBcnNum = 0;
3424         *TotalRxDataNum = 0;
3425
3426         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3427                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3428         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3429                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3430         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3431                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3432         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3433                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3434                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3435         }
3436 }
3437
3438
3439 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3440 {
3441         struct delayed_work *dwork = container_of(work,
3442                                                   struct delayed_work, work);
3443         struct r8192_priv *priv = container_of(dwork,
3444                                                struct r8192_priv, watch_dog_wq);
3445         struct net_device *dev = priv->ieee80211->dev;
3446         struct ieee80211_device *ieee = priv->ieee80211;
3447         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3448         static u8       check_reset_cnt;
3449         bool bBusyTraffic = false;
3450         u32     TotalRxBcnNum = 0;
3451         u32     TotalRxDataNum = 0;
3452
3453         if (!priv->up)
3454                 return;
3455         hal_dm_watchdog(dev);
3456
3457         /* to get busy traffic condition */
3458         if (ieee->state == IEEE80211_LINKED) {
3459                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3460                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3461                         bBusyTraffic = true;
3462                 }
3463                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3464                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3465                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3466         }
3467         /* for AP roaming */
3468         if (priv->ieee80211->state == IEEE80211_LINKED &&
3469             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3470
3471                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3472                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3473 #ifdef TODO
3474                         if (rfState == eRfOff)
3475                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3476 #endif
3477                         netdev_dbg(dev,
3478                                    "===>%s(): AP is power off, connect another one\n",
3479                                    __func__);
3480                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3481                         notify_wx_assoc_event(priv->ieee80211);
3482                         RemovePeerTS(priv->ieee80211,
3483                                      priv->ieee80211->current_network.bssid);
3484                         priv->ieee80211->link_change(dev);
3485                         queue_work(priv->ieee80211->wq,
3486                                    &priv->ieee80211->associate_procedure_wq);
3487
3488                 }
3489         }
3490         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3491         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3492         /* check if reset the driver */
3493         if (check_reset_cnt++ >= 3) {
3494                 ResetType = rtl819x_ifcheck_resetornot(dev);
3495                 check_reset_cnt = 3;
3496         }
3497         /* This is control by OID set in Pomelo */
3498         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3499             (priv->bForcedSilentReset ||
3500             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3501                 RT_TRACE(COMP_RESET,
3502                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3503                          __func__, priv->force_reset, priv->ResetProgress,
3504                          priv->bForcedSilentReset,
3505                          priv->bDisableNormalResetCheck, ResetType);
3506                 rtl819x_ifsilentreset(dev);
3507         }
3508         priv->force_reset = false;
3509         priv->bForcedSilentReset = false;
3510         priv->bResetInProgress = false;
3511         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3512
3513 }
3514
3515 static void watch_dog_timer_callback(unsigned long data)
3516 {
3517         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3518
3519         queue_delayed_work(priv->priv_wq, &priv->watch_dog_wq, 0);
3520         mod_timer(&priv->watch_dog_timer,
3521                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3522 }
3523 static int _rtl8192_up(struct net_device *dev)
3524 {
3525         struct r8192_priv *priv = ieee80211_priv(dev);
3526         int init_status = 0;
3527
3528         priv->up = 1;
3529         priv->ieee80211->ieee_up = 1;
3530         RT_TRACE(COMP_INIT, "Bringing up iface");
3531         init_status = rtl8192_adapter_start(dev);
3532         if (!init_status) {
3533                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3534                          __func__);
3535                 priv->up = priv->ieee80211->ieee_up = 0;
3536                 return -EAGAIN;
3537         }
3538         RT_TRACE(COMP_INIT, "start adapter finished\n");
3539         rtl8192_rx_enable(dev);
3540         if (priv->ieee80211->state != IEEE80211_LINKED)
3541                 ieee80211_softmac_start_protocol(priv->ieee80211);
3542         ieee80211_reset_queue(priv->ieee80211);
3543         watch_dog_timer_callback((unsigned long)dev);
3544         if (!netif_queue_stopped(dev))
3545                 netif_start_queue(dev);
3546         else
3547                 netif_wake_queue(dev);
3548
3549         return 0;
3550 }
3551
3552
3553 static int rtl8192_open(struct net_device *dev)
3554 {
3555         struct r8192_priv *priv = ieee80211_priv(dev);
3556         int ret;
3557
3558         down(&priv->wx_sem);
3559         ret = rtl8192_up(dev);
3560         up(&priv->wx_sem);
3561         return ret;
3562
3563 }
3564
3565
3566 int rtl8192_up(struct net_device *dev)
3567 {
3568         struct r8192_priv *priv = ieee80211_priv(dev);
3569
3570         if (priv->up == 1)
3571                 return -1;
3572
3573         return _rtl8192_up(dev);
3574 }
3575
3576
3577 static int rtl8192_close(struct net_device *dev)
3578 {
3579         struct r8192_priv *priv = ieee80211_priv(dev);
3580         int ret;
3581
3582         down(&priv->wx_sem);
3583
3584         ret = rtl8192_down(dev);
3585
3586         up(&priv->wx_sem);
3587
3588         return ret;
3589
3590 }
3591
3592 int rtl8192_down(struct net_device *dev)
3593 {
3594         struct r8192_priv *priv = ieee80211_priv(dev);
3595         int i;
3596
3597         if (priv->up == 0)
3598                 return -1;
3599
3600         priv->up = 0;
3601         priv->ieee80211->ieee_up = 0;
3602         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3603         /* FIXME */
3604         if (!netif_queue_stopped(dev))
3605                 netif_stop_queue(dev);
3606
3607         rtl8192_rtx_disable(dev);
3608
3609         /* Tx related queue release */
3610         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3611                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3612         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3613                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3614
3615         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3616                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3617
3618         /* as cancel_delayed_work will del work->timer, so if work is not
3619          * defined as struct delayed_work, it will corrupt
3620          */
3621         rtl8192_cancel_deferred_work(priv);
3622         deinit_hal_dm(dev);
3623         del_timer_sync(&priv->watch_dog_timer);
3624
3625
3626         ieee80211_softmac_stop_protocol(priv->ieee80211);
3627         memset(&priv->ieee80211->current_network, 0,
3628                offsetof(struct ieee80211_network, list));
3629         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3630
3631         return 0;
3632 }
3633
3634
3635 void rtl8192_commit(struct net_device *dev)
3636 {
3637         struct r8192_priv *priv = ieee80211_priv(dev);
3638         int reset_status = 0;
3639
3640         if (priv->up == 0)
3641                 return;
3642         priv->up = 0;
3643
3644         rtl8192_cancel_deferred_work(priv);
3645         del_timer_sync(&priv->watch_dog_timer);
3646
3647         ieee80211_softmac_stop_protocol(priv->ieee80211);
3648
3649         rtl8192_rtx_disable(dev);
3650         reset_status = _rtl8192_up(dev);
3651
3652 }
3653
3654 static void rtl8192_restart(struct work_struct *work)
3655 {
3656         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3657                                                reset_wq);
3658         struct net_device *dev = priv->ieee80211->dev;
3659
3660         down(&priv->wx_sem);
3661
3662         rtl8192_commit(dev);
3663
3664         up(&priv->wx_sem);
3665 }
3666
3667 static void r8192_set_multicast(struct net_device *dev)
3668 {
3669         struct r8192_priv *priv = ieee80211_priv(dev);
3670         short promisc;
3671
3672         /* FIXME FIXME */
3673
3674         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3675
3676         if (promisc != priv->promisc)
3677
3678                 priv->promisc = promisc;
3679 }
3680
3681
3682 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3683 {
3684         struct r8192_priv *priv = ieee80211_priv(dev);
3685         struct sockaddr *addr = mac;
3686
3687         down(&priv->wx_sem);
3688
3689         ether_addr_copy(dev->dev_addr, addr->sa_data);
3690
3691         schedule_work(&priv->reset_wq);
3692         up(&priv->wx_sem);
3693
3694         return 0;
3695 }
3696
3697 /* based on ipw2200 driver */
3698 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3699 {
3700         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3701         struct iwreq *wrq = (struct iwreq *)rq;
3702         int ret = -1;
3703         struct ieee80211_device *ieee = priv->ieee80211;
3704         u32 key[4];
3705         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3706         struct iw_point *p = &wrq->u.data;
3707         struct ieee_param *ipw = NULL;
3708
3709         down(&priv->wx_sem);
3710
3711
3712         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3713                 ret = -EINVAL;
3714                 goto out;
3715         }
3716
3717         ipw = memdup_user(p->pointer, p->length);
3718         if (IS_ERR(ipw)) {
3719                 ret = PTR_ERR(ipw);
3720                 goto out;
3721         }
3722
3723         switch (cmd) {
3724         case RTL_IOCTL_WPA_SUPPLICANT:
3725                 /* parse here for HW security */
3726                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3727                         if (ipw->u.crypt.set_tx) {
3728                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3729                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3730                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3731                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3732                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3733                                         if (ipw->u.crypt.key_len == 13)
3734                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3735                                         else if (ipw->u.crypt.key_len == 5)
3736                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3737                                 } else {
3738                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3739                                 }
3740
3741                                 if (ieee->pairwise_key_type) {
3742                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3743                                         EnableHWSecurityConfig8192(dev);
3744                                         /* We fill both index entry and 4th
3745                                          * entry for pairwise key as in IPW
3746                                          * interface, adhoc will only get here,
3747                                          * so we need index entry for its
3748                                          * default key serching!
3749                                          */
3750                                         setKey(dev, 4, ipw->u.crypt.idx,
3751                                                ieee->pairwise_key_type,
3752                                                (u8 *)ieee->ap_mac_addr,
3753                                                0, key);
3754                                         if (ieee->auth_mode != 2)
3755                                                 setKey(dev, ipw->u.crypt.idx,
3756                                                        ipw->u.crypt.idx,
3757                                                        ieee->pairwise_key_type,
3758                                                        (u8 *)ieee->ap_mac_addr,
3759                                                        0, key);
3760                                 }
3761                         } else {
3762                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3763                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3764                                         ieee->group_key_type = KEY_TYPE_CCMP;
3765                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3766                                         ieee->group_key_type = KEY_TYPE_TKIP;
3767                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3768                                         if (ipw->u.crypt.key_len == 13)
3769                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3770                                         else if (ipw->u.crypt.key_len == 5)
3771                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3772                                 } else {
3773                                         ieee->group_key_type = KEY_TYPE_NA;
3774                                 }
3775
3776                                 if (ieee->group_key_type) {
3777                                         setKey(dev, ipw->u.crypt.idx,
3778                                                /* KeyIndex */
3779                                                ipw->u.crypt.idx,
3780                                                /* KeyType */
3781                                                ieee->group_key_type,
3782                                                /* MacAddr */
3783                                                broadcast_addr,
3784                                                /* DefaultKey */
3785                                                0,
3786                                                /* KeyContent */
3787                                                key);
3788                                 }
3789                         }
3790                 }
3791                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3792                                                      &wrq->u.data);
3793                 break;
3794
3795         default:
3796                 ret = -EOPNOTSUPP;
3797                 break;
3798         }
3799         kfree(ipw);
3800         ipw = NULL;
3801 out:
3802         up(&priv->wx_sem);
3803         return ret;
3804 }
3805
3806 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3807 {
3808         u8  ret_rate = 0xff;
3809
3810         if (!bIsHT) {
3811                 switch (rate) {
3812                 case DESC90_RATE1M:
3813                         ret_rate = MGN_1M;
3814                         break;
3815                 case DESC90_RATE2M:
3816                         ret_rate = MGN_2M;
3817                         break;
3818                 case DESC90_RATE5_5M:
3819                         ret_rate = MGN_5_5M;
3820                         break;
3821                 case DESC90_RATE11M:
3822                         ret_rate = MGN_11M;
3823                         break;
3824                 case DESC90_RATE6M:
3825                         ret_rate = MGN_6M;
3826                         break;
3827                 case DESC90_RATE9M:
3828                         ret_rate = MGN_9M;
3829                         break;
3830                 case DESC90_RATE12M:
3831                         ret_rate = MGN_12M;
3832                         break;
3833                 case DESC90_RATE18M:
3834                         ret_rate = MGN_18M;
3835                         break;
3836                 case DESC90_RATE24M:
3837                         ret_rate = MGN_24M;
3838                         break;
3839                 case DESC90_RATE36M:
3840                         ret_rate = MGN_36M;
3841                         break;
3842                 case DESC90_RATE48M:
3843                         ret_rate = MGN_48M;
3844                         break;
3845                 case DESC90_RATE54M:
3846                         ret_rate = MGN_54M;
3847                         break;
3848
3849                 default:
3850                         ret_rate = 0xff;
3851                         RT_TRACE(COMP_RECV,
3852                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3853                                  rate, bIsHT);
3854                         break;
3855                 }
3856
3857         } else {
3858                 switch (rate) {
3859                 case DESC90_RATEMCS0:
3860                         ret_rate = MGN_MCS0;
3861                         break;
3862                 case DESC90_RATEMCS1:
3863                         ret_rate = MGN_MCS1;
3864                         break;
3865                 case DESC90_RATEMCS2:
3866                         ret_rate = MGN_MCS2;
3867                         break;
3868                 case DESC90_RATEMCS3:
3869                         ret_rate = MGN_MCS3;
3870                         break;
3871                 case DESC90_RATEMCS4:
3872                         ret_rate = MGN_MCS4;
3873                         break;
3874                 case DESC90_RATEMCS5:
3875                         ret_rate = MGN_MCS5;
3876                         break;
3877                 case DESC90_RATEMCS6:
3878                         ret_rate = MGN_MCS6;
3879                         break;
3880                 case DESC90_RATEMCS7:
3881                         ret_rate = MGN_MCS7;
3882                         break;
3883                 case DESC90_RATEMCS8:
3884                         ret_rate = MGN_MCS8;
3885                         break;
3886                 case DESC90_RATEMCS9:
3887                         ret_rate = MGN_MCS9;
3888                         break;
3889                 case DESC90_RATEMCS10:
3890                         ret_rate = MGN_MCS10;
3891                         break;
3892                 case DESC90_RATEMCS11:
3893                         ret_rate = MGN_MCS11;
3894                         break;
3895                 case DESC90_RATEMCS12:
3896                         ret_rate = MGN_MCS12;
3897                         break;
3898                 case DESC90_RATEMCS13:
3899                         ret_rate = MGN_MCS13;
3900                         break;
3901                 case DESC90_RATEMCS14:
3902                         ret_rate = MGN_MCS14;
3903                         break;
3904                 case DESC90_RATEMCS15:
3905                         ret_rate = MGN_MCS15;
3906                         break;
3907                 case DESC90_RATEMCS32:
3908                         ret_rate = 0x80 | 0x20;
3909                         break;
3910
3911                 default:
3912                         ret_rate = 0xff;
3913                         RT_TRACE(COMP_RECV,
3914                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3915                                  rate, bIsHT);
3916                         break;
3917                 }
3918         }
3919
3920         return ret_rate;
3921 }
3922
3923 /**
3924  * Function:     UpdateRxPktTimeStamp
3925  * Overview:     Record the TSF time stamp when receiving a packet
3926  *
3927  * Input:
3928  *       PADAPTER        Adapter
3929  *       PRT_RFD         pRfd,
3930  *
3931  * Output:
3932  *       PRT_RFD         pRfd
3933  *                               (pRfd->Status.TimeStampHigh is updated)
3934  *                               (pRfd->Status.TimeStampLow is updated)
3935  * Return:
3936  *               None
3937  */
3938 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3939                                      struct ieee80211_rx_stats *stats)
3940 {
3941         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3942
3943         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3944                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3945                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3946         } else {
3947                 priv->LastRxDescTSFLow = stats->mac_time[0];
3948                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3949         }
3950 }
3951
3952 /* 0-100 index. */
3953 static long rtl819x_translate_todbm(u8 signal_strength_index)
3954 {
3955         long    signal_power; /* in dBm. */
3956
3957         /* Translate to dBm (x=0.5y-95). */
3958         signal_power = (long)((signal_strength_index + 1) >> 1);
3959         signal_power -= 95;
3960
3961         return signal_power;
3962 }
3963
3964
3965 /* We can not declare RSSI/EVM total value of sliding window to
3966  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3967  * value will be kept in memory or disk. Declare the value in the adaptor
3968  * and it will be reinitialized when returned from S3/S4.
3969  */
3970 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3971                                     struct ieee80211_rx_stats *pprevious_stats,
3972                                     struct ieee80211_rx_stats *pcurrent_stats)
3973 {
3974         bool bcheck = false;
3975         u8      rfpath;
3976         u32     nspatial_stream, tmp_val;
3977         static u32 slide_rssi_index, slide_rssi_statistics;
3978         static u32 slide_evm_index, slide_evm_statistics;
3979         static u32 last_rssi, last_evm;
3980
3981         static u32 slide_beacon_adc_pwdb_index;
3982         static u32 slide_beacon_adc_pwdb_statistics;
3983         static u32 last_beacon_adc_pwdb;
3984
3985         struct rtl_80211_hdr_3addr *hdr;
3986         u16 sc;
3987         unsigned int frag, seq;
3988
3989         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3990         sc = le16_to_cpu(hdr->seq_ctl);
3991         frag = WLAN_GET_SEQ_FRAG(sc);
3992         seq = WLAN_GET_SEQ_SEQ(sc);
3993         /* to record the sequence number */
3994         pcurrent_stats->Seq_Num = seq;
3995
3996         /* Check whether we should take the previous packet into accounting */
3997         if (!pprevious_stats->bIsAMPDU) {
3998                 /* if previous packet is not aggregated packet */
3999                 bcheck = true;
4000         }
4001
4002         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4003                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4004                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4005                 priv->stats.slide_rssi_total -= last_rssi;
4006         }
4007         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4008
4009         priv->stats.slide_signal_strength[slide_rssi_index++] =
4010                 pprevious_stats->SignalStrength;
4011         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4012                 slide_rssi_index = 0;
4013
4014         /* <1> Showed on UI for user, in dbm */
4015         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4016         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4017         pcurrent_stats->rssi = priv->stats.signal_strength;
4018
4019         /* If the previous packet does not match the criteria, neglect it */
4020         if (!pprevious_stats->bPacketMatchBSSID) {
4021                 if (!pprevious_stats->bToSelfBA)
4022                         return;
4023         }
4024
4025         if (!bcheck)
4026                 return;
4027
4028
4029         /* only rtl8190 supported
4030          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4031          */
4032
4033         /* Check RSSI */
4034         priv->stats.num_process_phyinfo++;
4035
4036         /* record the general signal strength to the sliding window. */
4037
4038
4039         /* <2> Showed on UI for engineering
4040          * hardware does not provide rssi information for each rf path in CCK
4041          */
4042         if (!pprevious_stats->bIsCCK &&
4043             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4044                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4045                         if (!rtl8192_phy_CheckIsLegalRFPath(
4046                                         priv->ieee80211->dev, rfpath))
4047                                 continue;
4048
4049                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4050                                 priv->stats.rx_rssi_percentage[rfpath] =
4051                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4052                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4053                                 priv->stats.rx_rssi_percentage[rfpath] =
4054                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4055                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4056                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4057                         } else {
4058                                 priv->stats.rx_rssi_percentage[rfpath] =
4059                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4060                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4061                         }
4062                         RT_TRACE(COMP_DBG,
4063                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4064                                  priv->stats.rx_rssi_percentage[rfpath]);
4065                 }
4066         }
4067
4068
4069         /* Check PWDB. */
4070         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4071                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4072                  pprevious_stats->RxPWDBAll);
4073
4074         if (pprevious_stats->bPacketBeacon) {
4075                 /* record the beacon pwdb to the sliding window. */
4076                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4077                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4078                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4079                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4080                 }
4081                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4082                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4083                 slide_beacon_adc_pwdb_index++;
4084                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4085                         slide_beacon_adc_pwdb_index = 0;
4086                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4087                 if (pprevious_stats->RxPWDBAll >= 3)
4088                         pprevious_stats->RxPWDBAll -= 3;
4089         }
4090
4091         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4092                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4093                  pprevious_stats->RxPWDBAll);
4094
4095
4096         if (pprevious_stats->bPacketToSelf ||
4097             pprevious_stats->bPacketBeacon ||
4098             pprevious_stats->bToSelfBA) {
4099                 if (priv->undecorated_smoothed_pwdb < 0)
4100                         /* initialize */
4101                         priv->undecorated_smoothed_pwdb =
4102                                 pprevious_stats->RxPWDBAll;
4103                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4104                         priv->undecorated_smoothed_pwdb =
4105                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4106                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4107                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4108                 } else {
4109                         priv->undecorated_smoothed_pwdb =
4110                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4111                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4112                 }
4113
4114         }
4115
4116         /* Check EVM */
4117         /* record the general EVM to the sliding window. */
4118         if (pprevious_stats->SignalQuality) {
4119                 if (pprevious_stats->bPacketToSelf ||
4120                     pprevious_stats->bPacketBeacon ||
4121                     pprevious_stats->bToSelfBA) {
4122                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4123                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4124                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4125                                 priv->stats.slide_evm_total -= last_evm;
4126                         }
4127
4128                         priv->stats.slide_evm_total +=
4129                                 pprevious_stats->SignalQuality;
4130
4131                         priv->stats.slide_evm[slide_evm_index++] =
4132                                 pprevious_stats->SignalQuality;
4133                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4134                                 slide_evm_index = 0;
4135
4136                         /* <1> Showed on UI for user, in percentage. */
4137                         tmp_val = priv->stats.slide_evm_total /
4138                                   slide_evm_statistics;
4139                         priv->stats.signal_quality = tmp_val;
4140                         /* Showed on UI for user in Windows Vista,
4141                          * for Link quality.
4142                          */
4143                         priv->stats.last_signal_strength_inpercent = tmp_val;
4144                 }
4145
4146                 /* <2> Showed on UI for engineering */
4147                 if (pprevious_stats->bPacketToSelf ||
4148                     pprevious_stats->bPacketBeacon ||
4149                     pprevious_stats->bToSelfBA) {
4150                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4151                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4152                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4153                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4154                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4155                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4156                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4157                                 }
4158                         }
4159                 }
4160         }
4161
4162
4163 }
4164
4165 /*-----------------------------------------------------------------------------
4166  * Function:    rtl819x_query_rxpwrpercentage()
4167  *
4168  * Overview:
4169  *
4170  * Input:               char            antpower
4171  *
4172  * Output:              NONE
4173  *
4174  * Return:              0-100 percentage
4175  *---------------------------------------------------------------------------*/
4176 static u8 rtl819x_query_rxpwrpercentage(char antpower)
4177 {
4178         if ((antpower <= -100) || (antpower >= 20))
4179                 return  0;
4180         else if (antpower >= 0)
4181                 return  100;
4182         else
4183                 return  100 + antpower;
4184
4185 }       /* QueryRxPwrPercentage */
4186
4187 static u8 rtl819x_evm_dbtopercentage(char value)
4188 {
4189         char ret_val;
4190
4191         ret_val = value;
4192
4193         if (ret_val >= 0)
4194                 ret_val = 0;
4195         if (ret_val <= -33)
4196                 ret_val = -33;
4197         ret_val = 0 - ret_val;
4198         ret_val *= 3;
4199         if (ret_val == 99)
4200                 ret_val = 100;
4201         return ret_val;
4202 }
4203 /* We want good-looking for signal strength/quality */
4204 static long rtl819x_signal_scale_mapping(long currsig)
4205 {
4206         long retsig;
4207
4208         /* Step 1. Scale mapping. */
4209         if (currsig >= 61 && currsig <= 100)
4210                 retsig = 90 + ((currsig - 60) / 4);
4211         else if (currsig >= 41 && currsig <= 60)
4212                 retsig = 78 + ((currsig - 40) / 2);
4213         else if (currsig >= 31 && currsig <= 40)
4214                 retsig = 66 + (currsig - 30);
4215         else if (currsig >= 21 && currsig <= 30)
4216                 retsig = 54 + (currsig - 20);
4217         else if (currsig >= 5 && currsig <= 20)
4218                 retsig = 42 + (((currsig - 5) * 2) / 3);
4219         else if (currsig == 4)
4220                 retsig = 36;
4221         else if (currsig == 3)
4222                 retsig = 27;
4223         else if (currsig == 2)
4224                 retsig = 18;
4225         else if (currsig == 1)
4226                 retsig = 9;
4227         else
4228                 retsig = currsig;
4229
4230         return retsig;
4231 }
4232
4233 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4234 {
4235         if (pdrvinfo->RxHT)
4236                 return false;
4237
4238         switch (pdrvinfo->RxRate) {
4239         case DESC90_RATE1M:
4240         case DESC90_RATE2M:
4241         case DESC90_RATE5_5M:
4242         case DESC90_RATE11M:
4243                 return true;
4244         default:
4245                 return false;
4246         }
4247 }
4248
4249 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4250                                       struct ieee80211_rx_stats *pstats,
4251                                       rx_drvinfo_819x_usb  *pdrvinfo,
4252                                       struct ieee80211_rx_stats *precord_stats,
4253                                       bool bpacket_match_bssid,
4254                                       bool bpacket_toself,
4255                                       bool bPacketBeacon,
4256                                       bool bToSelfBA)
4257 {
4258         phy_sts_ofdm_819xusb_t *pofdm_buf;
4259         phy_sts_cck_819xusb_t   *pcck_buf;
4260         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4261         u8      *prxpkt;
4262         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4263         char    rx_pwr[4], rx_pwr_all = 0;
4264         char    rx_snrX, rx_evmX;
4265         u8      evm, pwdb_all;
4266         u32     RSSI, total_rssi = 0;
4267         u8      is_cck_rate = 0;
4268         u8      rf_rx_num = 0;
4269         u8      sq;
4270
4271
4272         priv->stats.numqry_phystatus++;
4273
4274         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4275
4276         /* Record it for next packet processing */
4277         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4278         pstats->bPacketMatchBSSID =
4279                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4280         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4281         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4282         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4283         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4284
4285         prxpkt = (u8 *)pdrvinfo;
4286
4287         /* Move pointer to the 16th bytes. Phy status start address. */
4288         prxpkt += sizeof(rx_drvinfo_819x_usb);
4289
4290         /* Initial the cck and ofdm buffer pointer */
4291         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4292         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4293
4294         pstats->RxMIMOSignalQuality[0] = -1;
4295         pstats->RxMIMOSignalQuality[1] = -1;
4296         precord_stats->RxMIMOSignalQuality[0] = -1;
4297         precord_stats->RxMIMOSignalQuality[1] = -1;
4298
4299         if (is_cck_rate) {
4300                 /* (1)Hardware does not provide RSSI for CCK */
4301
4302                 /* (2)PWDB, Average PWDB cacluated by hardware
4303                  * (for rate adaptive)
4304                  */
4305                 u8 report;
4306
4307                 priv->stats.numqry_phystatusCCK++;
4308
4309                 if (!priv->bCckHighPower) {
4310                         report = pcck_buf->cck_agc_rpt & 0xc0;
4311                         report >>= 6;
4312                         switch (report) {
4313                         case 0x3:
4314                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4315                                 break;
4316                         case 0x2:
4317                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4318                                 break;
4319                         case 0x1:
4320                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4321                                 break;
4322                         case 0x0:
4323                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4324                                 break;
4325                         }
4326                 } else {
4327                         report = pcck_buf->cck_agc_rpt & 0x60;
4328                         report >>= 5;
4329                         switch (report) {
4330                         case 0x3:
4331                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4332                                 break;
4333                         case 0x2:
4334                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4335                                 break;
4336                         case 0x1:
4337                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4338                                 break;
4339                         case 0x0:
4340                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4341                                 break;
4342                         }
4343                 }
4344
4345                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4346                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4347                 pstats->RecvSignalPower = pwdb_all;
4348
4349                 /* (3) Get Signal Quality (EVM) */
4350
4351                 if (pstats->RxPWDBAll > 40) {
4352                         sq = 100;
4353                 } else {
4354                         sq = pcck_buf->sq_rpt;
4355
4356                         if (pcck_buf->sq_rpt > 64)
4357                                 sq = 0;
4358                         else if (pcck_buf->sq_rpt < 20)
4359                                 sq = 100;
4360                         else
4361                                 sq = ((64 - sq) * 100) / 44;
4362                 }
4363                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4364                 pstats->RxMIMOSignalQuality[0] =
4365                         precord_stats->RxMIMOSignalQuality[0] = sq;
4366                 pstats->RxMIMOSignalQuality[1] =
4367                         precord_stats->RxMIMOSignalQuality[1] = -1;
4368
4369         } else {
4370                 priv->stats.numqry_phystatusHT++;
4371
4372                 /* (1)Get RSSI for HT rate */
4373                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4374                         /* We will judge RF RX path now. */
4375                         if (priv->brfpath_rxenable[i])
4376                                 rf_rx_num++;
4377                         else
4378                                 continue;
4379
4380                         if (!rtl8192_phy_CheckIsLegalRFPath(
4381                                         priv->ieee80211->dev, i))
4382                                 continue;
4383
4384                         rx_pwr[i] =
4385                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4386
4387                         /* Get Rx snr value in DB */
4388                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4389                         rx_snrX = (char)(tmp_rxsnr);
4390                         rx_snrX /= 2;
4391                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4392
4393                         /* Translate DBM to percentage. */
4394                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4395                         total_rssi += RSSI;
4396
4397                         /* Record Signal Strength for next packet */
4398                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4399                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4400                 }
4401
4402
4403                 /* (2)PWDB, Average PWDB cacluated by hardware
4404                  * (for rate adaptive)
4405                  */
4406                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4407                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4408
4409                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4410                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4411
4412                 /* (3)EVM of HT rate */
4413                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4414                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4415                         /* both spatial stream make sense */
4416                         max_spatial_stream = 2;
4417                 else
4418                         /* only spatial stream 1 makes sense */
4419                         max_spatial_stream = 1;
4420
4421                 for (i = 0; i < max_spatial_stream; i++) {
4422                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4423                         rx_evmX = (char)(tmp_rxevm);
4424
4425                         /* Do not use shift operation like "rx_evmX >>= 1"
4426                          * because the compiler of free build environment will
4427                          * set the most significant bit to "zero" when doing
4428                          * shifting operation which may change a negative value
4429                          * to positive one, then the dbm value (which is
4430                          * supposed to be negative) is not correct anymore.
4431                          */
4432                         rx_evmX /= 2;   /* dbm */
4433
4434                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4435                         if (i == 0)
4436                                 /* Fill value in RFD, Get the first spatial
4437                                  * stream only
4438                                  */
4439                                 pstats->SignalQuality =
4440                                         precord_stats->SignalQuality =
4441                                         (u8)(evm & 0xff);
4442                         pstats->RxMIMOSignalQuality[i] =
4443                                 precord_stats->RxMIMOSignalQuality[i] =
4444                                 (u8)(evm & 0xff);
4445                 }
4446
4447
4448                 /* record rx statistics for debug */
4449                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4450                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4451                         &rxsc_sgien_exflg;
4452                 if (pdrvinfo->BW)       /* 40M channel */
4453                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4454                 else                    /* 20M channel */
4455                         priv->stats.received_bwtype[0]++;
4456         }
4457
4458         /* UI BSS List signal strength(in percentage), make it good looking,
4459          * from 0~100. It is assigned to the BSS List in
4460          * GetValueFromBeaconOrProbeRsp().
4461          */
4462         if (is_cck_rate) {
4463                 pstats->SignalStrength =
4464                         precord_stats->SignalStrength =
4465                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4466         } else {
4467                 /* We can judge RX path number now. */
4468                 if (rf_rx_num != 0) {
4469                         pstats->SignalStrength =
4470                                 precord_stats->SignalStrength =
4471                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4472                 }
4473         }
4474 }       /* QueryRxPhyStatus8190Pci */
4475
4476 static void rtl8192_record_rxdesc_forlateruse(
4477                 struct ieee80211_rx_stats *psrc_stats,
4478                 struct ieee80211_rx_stats *ptarget_stats)
4479 {
4480         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4481         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4482         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4483 }
4484
4485
4486 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4487                                           struct ieee80211_rx_stats *pstats,
4488                                           rx_drvinfo_819x_usb  *pdrvinfo)
4489 {
4490         /* TODO: We must only check packet for current MAC address.
4491          * Not finish
4492          */
4493         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4494         struct net_device *dev = info->dev;
4495         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4496         bool bpacket_match_bssid, bpacket_toself;
4497         bool bPacketBeacon = false, bToSelfBA = false;
4498         static struct ieee80211_rx_stats  previous_stats;
4499         struct rtl_80211_hdr_3addr *hdr;
4500         u16 fc, type;
4501
4502         /* Get Signal Quality for only RX data queue (but not command queue) */
4503
4504         u8 *tmp_buf;
4505         u8  *praddr;
4506
4507         /* Get MAC frame start address. */
4508         tmp_buf = (u8 *)skb->data;
4509
4510         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4511         fc = le16_to_cpu(hdr->frame_ctl);
4512         type = WLAN_FC_GET_TYPE(fc);
4513         praddr = hdr->addr1;
4514
4515         /* Check if the received packet is acceptable. */
4516         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4517                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4518                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4519         bpacket_toself =  bpacket_match_bssid &
4520                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4521
4522         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4523                 bPacketBeacon = true;
4524         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4525                 if ((eqMacAddr(praddr, dev->dev_addr)))
4526                         bToSelfBA = true;
4527         }
4528
4529
4530
4531         if (bpacket_match_bssid)
4532                 priv->stats.numpacket_matchbssid++;
4533         if (bpacket_toself)
4534                 priv->stats.numpacket_toself++;
4535         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4536          * Because phy information is contained in the last packet of AMPDU
4537          * only, so driver should process phy information of previous packet
4538          */
4539         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4540         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4541                                   bpacket_match_bssid, bpacket_toself,
4542                                   bPacketBeacon, bToSelfBA);
4543         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4544
4545 }
4546
4547 /**
4548 * Function:     UpdateReceivedRateHistogramStatistics
4549 * Overview:     Record the received data rate
4550 *
4551 * Input:
4552 *       struct net_device *dev
4553 *       struct ieee80211_rx_stats *stats
4554 *
4555 * Output:
4556 *
4557 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4558 * Return:
4559 *               None
4560 */
4561 static void
4562 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4563                                           struct ieee80211_rx_stats *stats)
4564 {
4565         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4566         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4567         u32 rcvType = 1;
4568         u32 rateIndex;
4569         /* 1: short preamble/GI, 0: long preamble/GI */
4570         u32 preamble_guardinterval;
4571
4572
4573         if (stats->bCRC)
4574                 rcvType = 2;
4575         else if (stats->bICV)
4576                 rcvType = 3;
4577
4578         if (stats->bShortPreamble)
4579                 preamble_guardinterval = 1; /* short */
4580         else
4581                 preamble_guardinterval = 0; /* long */
4582
4583         switch (stats->rate) {
4584         /* CCK rate */
4585         case MGN_1M:
4586                 rateIndex = 0;
4587                 break;
4588         case MGN_2M:
4589                 rateIndex = 1;
4590                 break;
4591         case MGN_5_5M:
4592                 rateIndex = 2;
4593                 break;
4594         case MGN_11M:
4595                 rateIndex = 3;
4596                 break;
4597         /* Legacy OFDM rate */
4598         case MGN_6M:
4599                 rateIndex = 4;
4600                 break;
4601         case MGN_9M:
4602                 rateIndex = 5;
4603                 break;
4604         case MGN_12M:
4605                 rateIndex = 6;
4606                 break;
4607         case MGN_18M:
4608                 rateIndex = 7;
4609                 break;
4610         case MGN_24M:
4611                 rateIndex = 8;
4612                 break;
4613         case MGN_36M:
4614                 rateIndex = 9;
4615                 break;
4616         case MGN_48M:
4617                 rateIndex = 10;
4618                 break;
4619         case MGN_54M:
4620                 rateIndex = 11;
4621                 break;
4622         /* 11n High throughput rate */
4623         case MGN_MCS0:
4624                 rateIndex = 12;
4625                 break;
4626         case MGN_MCS1:
4627                 rateIndex = 13;
4628                 break;
4629         case MGN_MCS2:
4630                 rateIndex = 14;
4631                 break;
4632         case MGN_MCS3:
4633                 rateIndex = 15;
4634                 break;
4635         case MGN_MCS4:
4636                 rateIndex = 16;
4637                 break;
4638         case MGN_MCS5:
4639                 rateIndex = 17;
4640                 break;
4641         case MGN_MCS6:
4642                 rateIndex = 18;
4643                 break;
4644         case MGN_MCS7:
4645                 rateIndex = 19;
4646                 break;
4647         case MGN_MCS8:
4648                 rateIndex = 20;
4649                 break;
4650         case MGN_MCS9:
4651                 rateIndex = 21;
4652                 break;
4653         case MGN_MCS10:
4654                 rateIndex = 22;
4655                 break;
4656         case MGN_MCS11:
4657                 rateIndex = 23;
4658                 break;
4659         case MGN_MCS12:
4660                 rateIndex = 24;
4661                 break;
4662         case MGN_MCS13:
4663                 rateIndex = 25;
4664                 break;
4665         case MGN_MCS14:
4666                 rateIndex = 26;
4667                 break;
4668         case MGN_MCS15:
4669                 rateIndex = 27;
4670                 break;
4671         default:
4672                 rateIndex = 28;
4673                 break;
4674         }
4675         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4676         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4677         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4678 }
4679
4680
4681 static void query_rxdesc_status(struct sk_buff *skb,
4682                                 struct ieee80211_rx_stats *stats,
4683                                 bool bIsRxAggrSubframe)
4684 {
4685         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4686         struct net_device *dev = info->dev;
4687         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4688         rx_drvinfo_819x_usb  *driver_info = NULL;
4689
4690         /* Get Rx Descriptor Information */
4691         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4692
4693         stats->Length = desc->Length;
4694         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4695         stats->RxBufShift = 0;
4696         stats->bICV = desc->ICV;
4697         stats->bCRC = desc->CRC32;
4698         stats->bHwError = stats->bCRC | stats->bICV;
4699         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4700         stats->Decrypted = !desc->SWDec;
4701
4702         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4703             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4704                 stats->bHwError = false;
4705         else
4706                 stats->bHwError = stats->bCRC | stats->bICV;
4707
4708         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4709                 stats->bHwError |= 1;
4710         /* Get Driver Info */
4711         /* TODO: Need to verify it on FGPA platform
4712          * Driver info are written to the RxBuffer following rx desc
4713          */
4714         if (stats->RxDrvInfoSize != 0) {
4715                 driver_info = (rx_drvinfo_819x_usb *)(
4716                                 skb->data
4717                                 + sizeof(rx_desc_819x_usb)
4718                                 + stats->RxBufShift
4719                               );
4720                 /* unit: 0.5M */
4721                 /* TODO */
4722                 if (!stats->bHwError) {
4723                         u8      ret_rate;
4724
4725                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4726                                                    driver_info->RxRate);
4727                         if (ret_rate == 0xff) {
4728                                 /* Abnormal Case: Receive CRC OK packet with Rx
4729                                  * descriptor indicating non supported rate.
4730                                  * Special Error Handling here
4731                                  */
4732
4733                                 stats->bHwError = 1;
4734                                 /* Set 1M rate by default */
4735                                 stats->rate = MGN_1M;
4736                         } else {
4737                                 stats->rate = ret_rate;
4738                         }
4739                 } else {
4740                         stats->rate = 0x02;
4741                 }
4742
4743                 stats->bShortPreamble = driver_info->SPLCP;
4744
4745
4746                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4747
4748                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4749                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4750                                     (driver_info->FirstAGGR == 1);
4751                 stats->TimeStampLow = driver_info->TSFL;
4752
4753                 UpdateRxPktTimeStamp8190(dev, stats);
4754
4755                 /* Rx A-MPDU */
4756                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4757                         RT_TRACE(COMP_RXDESC,
4758                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4759                                  driver_info->FirstAGGR, driver_info->PartAggr);
4760
4761         }
4762
4763         skb_pull(skb, sizeof(rx_desc_819x_usb));
4764         /* Get Total offset of MPDU Frame Body */
4765         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4766                 stats->bShift = 1;
4767                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4768         }
4769
4770         if (driver_info) {
4771                 stats->RxIs40MHzPacket = driver_info->BW;
4772                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4773         }
4774 }
4775
4776 static void rtl8192_rx_nomal(struct sk_buff *skb)
4777 {
4778         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4779         struct net_device *dev = info->dev;
4780         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4781         struct ieee80211_rx_stats stats = {
4782                 .signal = 0,
4783                 .noise = 0x100 - 98,
4784                 .rate = 0,
4785                 .freq = IEEE80211_24GHZ_BAND,
4786         };
4787         u32 rx_pkt_len = 0;
4788         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4789         bool unicast_packet = false;
4790
4791         /* 20 is for ps-poll */
4792         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4793                 /* first packet should not contain Rx aggregation header */
4794                 query_rxdesc_status(skb, &stats, false);
4795                 /* TODO */
4796                 /* hardware related info */
4797                 /* Process the MPDU received */
4798                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4799
4800                 rx_pkt_len = skb->len;
4801                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4802                 unicast_packet = false;
4803                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4804                         /* TODO */
4805                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4806                         /* TODO */
4807                 } else {
4808                         /* unicast packet */
4809                         unicast_packet = true;
4810                 }
4811
4812                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4813                         dev_kfree_skb_any(skb);
4814                 } else {
4815                         priv->stats.rxoktotal++;
4816                         if (unicast_packet)
4817                                 priv->stats.rxbytesunicast += rx_pkt_len;
4818                 }
4819         } else {
4820                 priv->stats.rxurberr++;
4821                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4822                 dev_kfree_skb_any(skb);
4823         }
4824
4825 }
4826
4827 static void rtl819xusb_process_received_packet(
4828                 struct net_device *dev,
4829                 struct ieee80211_rx_stats *pstats)
4830 {
4831         u8      *frame;
4832         u16     frame_len = 0;
4833         struct r8192_priv *priv = ieee80211_priv(dev);
4834
4835         /* Get shifted bytes of Starting address of 802.11 header. */
4836         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4837         frame = pstats->virtual_address;
4838         frame_len = pstats->packetlength;
4839 #ifdef TODO     /* about HCT */
4840         if (!Adapter->bInHctTest)
4841                 CountRxErrStatistics(Adapter, pRfd);
4842 #endif
4843 #ifdef ENABLE_PS  /* for adding ps function in future */
4844         RT_RF_POWER_STATE rtState;
4845         /* When RF is off, we should not count the packet for hw/sw synchronize
4846          * reason, ie. there may be a duration while sw switch is changed and
4847          * hw switch is being changed.
4848          */
4849         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4850                                          (u8 *)(&rtState));
4851         if (rtState == eRfOff)
4852                 return;
4853 #endif
4854         priv->stats.rxframgment++;
4855
4856 #ifdef TODO
4857         RmMonitorSignalStrength(Adapter, pRfd);
4858 #endif
4859         /* We have to release RFD and return if rx pkt is cmd pkt. */
4860         if (rtl819xusb_rx_command_packet(dev, pstats))
4861                 return;
4862
4863 #ifdef SW_CRC_CHECK
4864         SwCrcCheck();
4865 #endif
4866
4867
4868 }
4869
4870 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4871                                         struct ieee80211_rx_stats *stats)
4872 {
4873         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4874
4875         /* Get Rx Descriptor Information */
4876         stats->virtual_address = (u8 *)skb->data;
4877         stats->Length = desc->Length;
4878         stats->RxDrvInfoSize = 0;
4879         stats->RxBufShift = 0;
4880         stats->packetlength = stats->Length - scrclng;
4881         stats->fraglength = stats->packetlength;
4882         stats->fragoffset = 0;
4883         stats->ntotalfrag = 1;
4884 }
4885
4886
4887 static void rtl8192_rx_cmd(struct sk_buff *skb)
4888 {
4889         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4890         struct net_device *dev = info->dev;
4891         /* TODO */
4892         struct ieee80211_rx_stats stats = {
4893                 .signal = 0,
4894                 .noise = 0x100 - 98,
4895                 .rate = 0,
4896                 .freq = IEEE80211_24GHZ_BAND,
4897         };
4898
4899         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4900
4901                 query_rx_cmdpkt_desc_status(skb, &stats);
4902                 /* prfd->queue_id = 1; */
4903
4904                 /* Process the command packet received. */
4905
4906                 rtl819xusb_process_received_packet(dev, &stats);
4907
4908                 dev_kfree_skb_any(skb);
4909         }
4910 }
4911
4912 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4913 {
4914         struct sk_buff *skb;
4915         struct rtl8192_rx_info *info;
4916
4917         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4918                 info = (struct rtl8192_rx_info *)skb->cb;
4919                 switch (info->out_pipe) {
4920                 /* Nomal packet pipe */
4921                 case 3:
4922                         priv->IrpPendingCount--;
4923                         rtl8192_rx_nomal(skb);
4924                         break;
4925
4926                 /* Command packet pipe */
4927                 case 9:
4928                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4929                                  info->out_pipe);
4930
4931                         rtl8192_rx_cmd(skb);
4932                         break;
4933
4934                 default: /* should never get here! */
4935                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4936                                  info->out_pipe);
4937                         dev_kfree_skb(skb);
4938                         break;
4939
4940                 }
4941         }
4942 }
4943
4944 static const struct net_device_ops rtl8192_netdev_ops = {
4945         .ndo_open               = rtl8192_open,
4946         .ndo_stop               = rtl8192_close,
4947         .ndo_get_stats          = rtl8192_stats,
4948         .ndo_tx_timeout         = tx_timeout,
4949         .ndo_do_ioctl           = rtl8192_ioctl,
4950         .ndo_set_rx_mode        = r8192_set_multicast,
4951         .ndo_set_mac_address    = r8192_set_mac_adr,
4952         .ndo_validate_addr      = eth_validate_addr,
4953         .ndo_change_mtu         = eth_change_mtu,
4954         .ndo_start_xmit         = ieee80211_xmit,
4955 };
4956
4957
4958 /****************************************************************************
4959      ---------------------------- USB_STUFF---------------------------
4960 *****************************************************************************/
4961
4962 static int rtl8192_usb_probe(struct usb_interface *intf,
4963                              const struct usb_device_id *id)
4964 {
4965         struct net_device *dev = NULL;
4966         struct r8192_priv *priv = NULL;
4967         struct usb_device *udev = interface_to_usbdev(intf);
4968         int ret;
4969
4970         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4971
4972         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4973         if (dev == NULL)
4974                 return -ENOMEM;
4975
4976         usb_set_intfdata(intf, dev);
4977         SET_NETDEV_DEV(dev, &intf->dev);
4978         priv = ieee80211_priv(dev);
4979         priv->ieee80211 = netdev_priv(dev);
4980         priv->udev = udev;
4981
4982         dev->netdev_ops = &rtl8192_netdev_ops;
4983
4984         dev->wireless_handlers =
4985                 (struct iw_handler_def *)&r8192_wx_handlers_def;
4986
4987         dev->type = ARPHRD_ETHER;
4988
4989         dev->watchdog_timeo = HZ * 3;
4990
4991         if (dev_alloc_name(dev, ifname) < 0) {
4992                 RT_TRACE(COMP_INIT,
4993                          "Oops: devname already taken! Trying wlan%%d...\n");
4994                 ifname = "wlan%d";
4995                 dev_alloc_name(dev, ifname);
4996         }
4997
4998         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4999         if (rtl8192_init(dev) != 0) {
5000                 RT_TRACE(COMP_ERR, "Initialization failed");
5001                 ret = -ENODEV;
5002                 goto fail;
5003         }
5004         netif_carrier_off(dev);
5005         netif_stop_queue(dev);
5006
5007         ret = register_netdev(dev);
5008         if (ret)
5009                 goto fail2;
5010
5011         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
5012         rtl8192_proc_init_one(dev);
5013
5014
5015         RT_TRACE(COMP_INIT, "Driver probe completed\n");
5016         return 0;
5017
5018 fail2:
5019         rtl8192_down(dev);
5020         kfree(priv->pFirmware);
5021         priv->pFirmware = NULL;
5022         rtl8192_usb_deleteendpoints(dev);
5023         destroy_workqueue(priv->priv_wq);
5024         mdelay(10);
5025 fail:
5026         free_ieee80211(dev);
5027
5028         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5029         return ret;
5030 }
5031
5032 /* detach all the work and timer structure declared or inititialize
5033  * in r8192U_init function.
5034  */
5035 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5036 {
5037
5038         cancel_work_sync(&priv->reset_wq);
5039         cancel_delayed_work(&priv->watch_dog_wq);
5040         cancel_delayed_work(&priv->update_beacon_wq);
5041         cancel_work_sync(&priv->qos_activate);
5042 }
5043
5044
5045 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5046 {
5047         struct net_device *dev = usb_get_intfdata(intf);
5048         struct r8192_priv *priv = ieee80211_priv(dev);
5049
5050         if (dev) {
5051                 unregister_netdev(dev);
5052
5053                 RT_TRACE(COMP_DOWN,
5054                          "=============>wlan driver to be removed\n");
5055                 rtl8192_proc_remove_one(dev);
5056
5057                 rtl8192_down(dev);
5058                 kfree(priv->pFirmware);
5059                 priv->pFirmware = NULL;
5060                 rtl8192_usb_deleteendpoints(dev);
5061                 destroy_workqueue(priv->priv_wq);
5062                 mdelay(10);
5063         }
5064         free_ieee80211(dev);
5065         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5066 }
5067
5068 static int __init rtl8192_usb_module_init(void)
5069 {
5070         int ret;
5071
5072 #ifdef CONFIG_IEEE80211_DEBUG
5073         ret = ieee80211_debug_init();
5074         if (ret) {
5075                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5076                 return ret;
5077         }
5078 #endif
5079         ret = ieee80211_crypto_init();
5080         if (ret) {
5081                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5082                 return ret;
5083         }
5084
5085         ret = ieee80211_crypto_tkip_init();
5086         if (ret) {
5087                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5088                 return ret;
5089         }
5090
5091         ret = ieee80211_crypto_ccmp_init();
5092         if (ret) {
5093                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5094                 return ret;
5095         }
5096
5097         ret = ieee80211_crypto_wep_init();
5098         if (ret) {
5099                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5100                 return ret;
5101         }
5102
5103         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5104         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5105         RT_TRACE(COMP_INIT, "Initializing module");
5106         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5107         rtl8192_proc_module_init();
5108         return usb_register(&rtl8192_usb_driver);
5109 }
5110
5111
5112 static void __exit rtl8192_usb_module_exit(void)
5113 {
5114         usb_deregister(&rtl8192_usb_driver);
5115
5116         RT_TRACE(COMP_DOWN, "Exiting");
5117 }
5118
5119
5120 void rtl8192_try_wake_queue(struct net_device *dev, int pri)
5121 {
5122         unsigned long flags;
5123         short enough_desc;
5124         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5125
5126         spin_lock_irqsave(&priv->tx_lock, flags);
5127         enough_desc = check_nic_enough_desc(dev, pri);
5128         spin_unlock_irqrestore(&priv->tx_lock, flags);
5129
5130         if (enough_desc)
5131                 ieee80211_wake_queue(priv->ieee80211);
5132 }
5133
5134 void EnableHWSecurityConfig8192(struct net_device *dev)
5135 {
5136         u8 SECR_value = 0x0;
5137         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5138         struct ieee80211_device *ieee = priv->ieee80211;
5139
5140         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5141         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5142                 SECR_value |= SCR_RxUseDK;
5143                 SECR_value |= SCR_TxUseDK;
5144         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5145                 SECR_value |= SCR_RxUseDK;
5146                 SECR_value |= SCR_TxUseDK;
5147         }
5148         /* add HWSec active enable here.
5149          * default using hwsec. when peer AP is in N mode only and
5150          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5151          * it), use software security. when peer AP is in b,g,n mode mixed and
5152          * pairwise_key_type is none_aes, use g mode hw security.
5153          */
5154
5155         ieee->hwsec_active = 1;
5156
5157         /* add hwsec_support flag to totol control hw_sec on/off */
5158         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5159                 ieee->hwsec_active = 0;
5160                 SECR_value &= ~SCR_RxDecEnable;
5161         }
5162         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5163                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5164                  SECR_value);
5165         write_nic_byte(dev, SECR,  SECR_value);
5166 }
5167
5168
5169 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5170             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5171 {
5172         u32 TargetCommand = 0;
5173         u32 TargetContent = 0;
5174         u16 usConfig = 0;
5175         u8 i;
5176
5177         if (EntryNo >= TOTAL_CAM_ENTRY)
5178                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5179
5180         RT_TRACE(COMP_SEC,
5181                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5182                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5183
5184         if (DefaultKey)
5185                 usConfig |= BIT(15) | (KeyType << 2);
5186         else
5187                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5188
5189
5190         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5191                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5192                 TargetCommand |= BIT(31) | BIT(16);
5193
5194                 if (i == 0) { /* MAC|Config */
5195                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5196                                         (u32)(*(MacAddr + 1)) << 24 |
5197                                         (u32)usConfig;
5198
5199                         write_nic_dword(dev, WCAMI, TargetContent);
5200                         write_nic_dword(dev, RWCAM, TargetCommand);
5201                 } else if (i == 1) { /* MAC */
5202                         TargetContent = (u32)(*(MacAddr + 2))    |
5203                                         (u32)(*(MacAddr + 3)) <<  8 |
5204                                         (u32)(*(MacAddr + 4)) << 16 |
5205                                         (u32)(*(MacAddr + 5)) << 24;
5206                         write_nic_dword(dev, WCAMI, TargetContent);
5207                         write_nic_dword(dev, RWCAM, TargetCommand);
5208                 } else {
5209                         /* Key Material */
5210                         if (KeyContent != NULL) {
5211                                 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2)));
5212                                 write_nic_dword(dev, RWCAM, TargetCommand);
5213                         }
5214                 }
5215         }
5216
5217 }
5218
5219 /***************************************************************************
5220      ------------------- module init / exit stubs ----------------
5221 ****************************************************************************/
5222 module_init(rtl8192_usb_module_init);
5223 module_exit(rtl8192_usb_module_exit);