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, 0644);
 118 module_param(hwwep, int, 0644);
 119 module_param(channels, int, 0644);
 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 void write_cam(struct net_device *dev, u8 addr, u32 data)
 242 {
 243         write_nic_dword(dev, WCAMI, data);
 244         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
 245 }
 246
 247 u32 read_cam(struct net_device *dev, u8 addr)
 248 {
 249         u32 data;
 250
 251         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
 252         read_nic_dword(dev, 0xa8, &data);
 253         return data;
 254 }
 255
 256 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 257 {
 258         int status;
 259         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 260         struct usb_device *udev = priv->udev;
 261         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 262
 263         if (!usbdata)
 264                 return -ENOMEM;
 265         *usbdata = data;
 266
 267         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 268                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 269                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 270         kfree(usbdata);
 271
 272         if (status < 0) {
 273                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
 274                            status);
 275                 return status;
 276         }
 277         return 0;
 278 }
 279
 280 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 281 {
 282         int status;
 283         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 284         struct usb_device *udev = priv->udev;
 285         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 286
 287         if (!usbdata)
 288                 return -ENOMEM;
 289
 290         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 291                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 292                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 293         *data = *usbdata;
 294         kfree(usbdata);
 295
 296         if (status < 0) {
 297                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 298                 return status;
 299         }
 300
 301         return 0;
 302 }
 303
 304 /* as 92U has extend page from 4 to 16, so modify functions below. */
 305 int write_nic_byte(struct net_device *dev, int indx, u8 data)
 306 {
 307         int status;
 308
 309         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 310         struct usb_device *udev = priv->udev;
 311         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 312
 313         if (!usbdata)
 314                 return -ENOMEM;
 315         *usbdata = data;
 316
 317         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 318                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 319                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 320                                  usbdata, 1, HZ / 2);
 321         kfree(usbdata);
 322
 323         if (status < 0) {
 324                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
 325                 return status;
 326         }
 327
 328         return 0;
 329 }
 330
 331
 332 int write_nic_word(struct net_device *dev, int indx, u16 data)
 333 {
 334         int status;
 335
 336         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 337         struct usb_device *udev = priv->udev;
 338         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 339
 340         if (!usbdata)
 341                 return -ENOMEM;
 342         *usbdata = data;
 343
 344         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 345                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 346                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 347                                  usbdata, 2, HZ / 2);
 348         kfree(usbdata);
 349
 350         if (status < 0) {
 351                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
 352                 return status;
 353         }
 354
 355         return 0;
 356 }
 357
 358
 359 int write_nic_dword(struct net_device *dev, int indx, u32 data)
 360 {
 361         int status;
 362
 363         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 364         struct usb_device *udev = priv->udev;
 365         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 366
 367         if (!usbdata)
 368                 return -ENOMEM;
 369         *usbdata = data;
 370
 371         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 372                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 373                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 374                                  usbdata, 4, HZ / 2);
 375         kfree(usbdata);
 376
 377
 378         if (status < 0) {
 379                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
 380                            status);
 381                 return status;
 382         }
 383
 384         return 0;
 385 }
 386
 387
 388
 389 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 390 {
 391         int status;
 392         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 393         struct usb_device *udev = priv->udev;
 394         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 395
 396         if (!usbdata)
 397                 return -ENOMEM;
 398
 399         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 400                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 401                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 402                                  usbdata, 1, HZ / 2);
 403         *data = *usbdata;
 404         kfree(usbdata);
 405
 406         if (status < 0) {
 407                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 408                 return status;
 409         }
 410
 411         return 0;
 412 }
 413
 414
 415
 416 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 417 {
 418         int status;
 419         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 420         struct usb_device *udev = priv->udev;
 421         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 422
 423         if (!usbdata)
 424                 return -ENOMEM;
 425
 426         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 427                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 428                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 429                                  usbdata, 2, HZ / 2);
 430         *data = *usbdata;
 431         kfree(usbdata);
 432
 433         if (status < 0) {
 434                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 435                 return status;
 436         }
 437
 438         return 0;
 439 }
 440
 441 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 442 {
 443         int status;
 444         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 445         struct usb_device *udev = priv->udev;
 446         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 447
 448         if (!usbdata)
 449                 return -ENOMEM;
 450
 451         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 452                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 453                                  indx | 0xfe00, 0, usbdata, 2, HZ / 2);
 454         *data = *usbdata;
 455         kfree(usbdata);
 456
 457         if (status < 0) {
 458                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 459                 return status;
 460         }
 461
 462         return 0;
 463 }
 464
 465 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 466 {
 467         int status;
 468
 469         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 470         struct usb_device *udev = priv->udev;
 471         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
 472
 473         if (!usbdata)
 474                 return -ENOMEM;
 475
 476         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 477                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 478                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 479                                  usbdata, 4, HZ / 2);
 480         *data = *usbdata;
 481         kfree(usbdata);
 482
 483         if (status < 0) {
 484                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 485                 return status;
 486         }
 487
 488         return 0;
 489 }
 490
 491 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 492 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 493 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 494  * plans are to possibility turn it again in one common code...
 495  */
 496 inline void force_pci_posting(struct net_device *dev)
 497 {
 498 }
 499
 500 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 501 static void rtl8192_restart(struct work_struct *work);
 502 static void watch_dog_timer_callback(unsigned long data);
 503
 504 /****************************************************************************
 505  *   -----------------------------PROCFS STUFF-------------------------
 506  ****************************************************************************/
 507
 508 static struct proc_dir_entry *rtl8192_proc;
 509
 510 static int proc_get_stats_ap(struct seq_file *m, void *v)
 511 {
 512         struct net_device *dev = m->private;
 513         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 514         struct ieee80211_device *ieee = priv->ieee80211;
 515         struct ieee80211_network *target;
 516
 517         list_for_each_entry(target, &ieee->network_list, list) {
 518                 const char *wpa = "non_WPA";
 519
 520                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 521                         wpa = "WPA";
 522
 523                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 524         }
 525
 526         return 0;
 527 }
 528
 529 static int proc_get_registers(struct seq_file *m, void *v)
 530 {
 531         struct net_device *dev = m->private;
 532         int i, n, max = 0xff;
 533         u8 byte_rd;
 534
 535         seq_puts(m, "\n####################page 0##################\n ");
 536
 537         for (n = 0; n <= max;) {
 538                 seq_printf(m, "\nD:  %2x > ", n);
 539
 540                 for (i = 0; i < 16 && n <= max; i++, n++) {
 541                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 542                         seq_printf(m, "%2x ", byte_rd);
 543                 }
 544         }
 545
 546         seq_puts(m, "\n####################page 1##################\n ");
 547         for (n = 0; n <= max;) {
 548                 seq_printf(m, "\nD:  %2x > ", n);
 549
 550                 for (i = 0; i < 16 && n <= max; i++, n++) {
 551                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 552                         seq_printf(m, "%2x ", byte_rd);
 553                 }
 554         }
 555
 556         seq_puts(m, "\n####################page 3##################\n ");
 557         for (n = 0; n <= max;) {
 558                 seq_printf(m, "\nD:  %2x > ", n);
 559
 560                 for (i = 0; i < 16 && n <= max; i++, n++) {
 561                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 562                         seq_printf(m, "%2x ", byte_rd);
 563                 }
 564         }
 565
 566         seq_putc(m, '\n');
 567         return 0;
 568 }
 569
 570 static int proc_get_stats_tx(struct seq_file *m, void *v)
 571 {
 572         struct net_device *dev = m->private;
 573         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 574
 575         seq_printf(m,
 576                    "TX VI priority ok int: %lu\n"
 577                    "TX VI priority error int: %lu\n"
 578                    "TX VO priority ok int: %lu\n"
 579                    "TX VO priority error int: %lu\n"
 580                    "TX BE priority ok int: %lu\n"
 581                    "TX BE priority error int: %lu\n"
 582                    "TX BK priority ok int: %lu\n"
 583                    "TX BK priority error int: %lu\n"
 584                    "TX MANAGE priority ok int: %lu\n"
 585                    "TX MANAGE priority error int: %lu\n"
 586                    "TX BEACON priority ok int: %lu\n"
 587                    "TX BEACON priority error int: %lu\n"
 588                    "TX queue resume: %lu\n"
 589                    "TX queue stopped?: %d\n"
 590                    "TX fifo overflow: %lu\n"
 591                    "TX VI queue: %d\n"
 592                    "TX VO queue: %d\n"
 593                    "TX BE queue: %d\n"
 594                    "TX BK queue: %d\n"
 595                    "TX VI dropped: %lu\n"
 596                    "TX VO dropped: %lu\n"
 597                    "TX BE dropped: %lu\n"
 598                    "TX BK dropped: %lu\n"
 599                    "TX total data packets %lu\n",
 600                    priv->stats.txviokint,
 601                    priv->stats.txvierr,
 602                    priv->stats.txvookint,
 603                    priv->stats.txvoerr,
 604                    priv->stats.txbeokint,
 605                    priv->stats.txbeerr,
 606                    priv->stats.txbkokint,
 607                    priv->stats.txbkerr,
 608                    priv->stats.txmanageokint,
 609                    priv->stats.txmanageerr,
 610                    priv->stats.txbeaconokint,
 611                    priv->stats.txbeaconerr,
 612                    priv->stats.txresumed,
 613                    netif_queue_stopped(dev),
 614                    priv->stats.txoverflow,
 615                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 616                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 617                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 618                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 619                    priv->stats.txvidrop,
 620                    priv->stats.txvodrop,
 621                    priv->stats.txbedrop,
 622                    priv->stats.txbkdrop,
 623                    priv->stats.txdatapkt
 624                 );
 625
 626         return 0;
 627 }
 628
 629 static int proc_get_stats_rx(struct seq_file *m, void *v)
 630 {
 631         struct net_device *dev = m->private;
 632         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 633
 634         seq_printf(m,
 635                    "RX packets: %lu\n"
 636                    "RX urb status error: %lu\n"
 637                    "RX invalid urb error: %lu\n",
 638                    priv->stats.rxoktotal,
 639                    priv->stats.rxstaterr,
 640                    priv->stats.rxurberr);
 641
 642         return 0;
 643 }
 644
 645 static void rtl8192_proc_module_init(void)
 646 {
 647         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 648         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 649 }
 650
 651 /*
 652  * seq_file wrappers for procfile show routines.
 653  */
 654 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 655 {
 656         struct net_device *dev = proc_get_parent_data(inode);
 657         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 658
 659         return single_open(file, show, dev);
 660 }
 661
 662 static const struct file_operations rtl8192_proc_fops = {
 663         .open           = rtl8192_proc_open,
 664         .read           = seq_read,
 665         .llseek         = seq_lseek,
 666         .release        = single_release,
 667 };
 668
 669 /*
 670  * Table of proc files we need to create.
 671  */
 672 struct rtl8192_proc_file {
 673         char name[12];
 674         int (*show)(struct seq_file *, void *);
 675 };
 676
 677 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 678         { "stats-rx",   &proc_get_stats_rx },
 679         { "stats-tx",   &proc_get_stats_tx },
 680         { "stats-ap",   &proc_get_stats_ap },
 681         { "registers",  &proc_get_registers },
 682         { "" }
 683 };
 684
 685 static void rtl8192_proc_init_one(struct net_device *dev)
 686 {
 687         const struct rtl8192_proc_file *f;
 688         struct proc_dir_entry *dir;
 689
 690         if (rtl8192_proc) {
 691                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 692                 if (!dir) {
 693                         RT_TRACE(COMP_ERR,
 694                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 695                                  dev->name);
 696                         return;
 697                 }
 698
 699                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 700                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 701                                               &rtl8192_proc_fops, f->show)) {
 702                                 RT_TRACE(COMP_ERR,
 703                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 704                                          dev->name, f->name);
 705                                 return;
 706                         }
 707                 }
 708         }
 709 }
 710
 711 static void rtl8192_proc_remove_one(struct net_device *dev)
 712 {
 713         remove_proc_subtree(dev->name, rtl8192_proc);
 714 }
 715
 716 /****************************************************************************
 717  *  -----------------------------MISC STUFF-------------------------
 718  *****************************************************************************/
 719
 720 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 721 {
 722         struct r8192_priv *priv = ieee80211_priv(dev);
 723         int used = atomic_read(&priv->tx_pending[queue_index]);
 724
 725         return (used < MAX_TX_URB);
 726 }
 727
 728 static void tx_timeout(struct net_device *dev)
 729 {
 730         struct r8192_priv *priv = ieee80211_priv(dev);
 731
 732         schedule_work(&priv->reset_wq);
 733 }
 734
 735 void rtl8192_update_msr(struct net_device *dev)
 736 {
 737         struct r8192_priv *priv = ieee80211_priv(dev);
 738         u8 msr;
 739
 740         read_nic_byte(dev, MSR, &msr);
 741         msr &= ~MSR_LINK_MASK;
 742
 743         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 744          * msr must be updated if the state is ASSOCIATING.
 745          * this is intentional and make sense for ad-hoc and
 746          * master (see the create BSS/IBSS func)
 747          */
 748         if (priv->ieee80211->state == IEEE80211_LINKED) {
 749                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 750                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 751                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 752                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 753                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 754                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 755
 756         } else {
 757                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 758         }
 759
 760         write_nic_byte(dev, MSR, msr);
 761 }
 762
 763 void rtl8192_set_chan(struct net_device *dev, short ch)
 764 {
 765         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 766
 767         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 768         priv->chan = ch;
 769
 770         /* this hack should avoid frame TX during channel setting*/
 771
 772         /* need to implement rf set channel here */
 773
 774         if (priv->rf_set_chan)
 775                 priv->rf_set_chan(dev, priv->chan);
 776         mdelay(10);
 777 }
 778
 779 static void rtl8192_rx_isr(struct urb *urb);
 780
 781 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 782 {
 783         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 784                 + pstats->RxBufShift);
 785 }
 786
 787 static int rtl8192_rx_initiate(struct net_device *dev)
 788 {
 789         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 790         struct urb *entry;
 791         struct sk_buff *skb;
 792         struct rtl8192_rx_info *info;
 793
 794         /* nomal packet rx procedure */
 795         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 796                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 797                 if (!skb)
 798                         break;
 799                 entry = usb_alloc_urb(0, GFP_KERNEL);
 800                 if (!entry) {
 801                         kfree_skb(skb);
 802                         break;
 803                 }
 804                 usb_fill_bulk_urb(entry, priv->udev,
 805                                   usb_rcvbulkpipe(priv->udev, 3),
 806                                   skb_tail_pointer(skb),
 807                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 808                 info = (struct rtl8192_rx_info *)skb->cb;
 809                 info->urb = entry;
 810                 info->dev = dev;
 811                 info->out_pipe = 3; /* denote rx normal packet queue */
 812                 skb_queue_tail(&priv->rx_queue, skb);
 813                 usb_submit_urb(entry, GFP_KERNEL);
 814         }
 815
 816         /* command packet rx procedure */
 817         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 818                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 819                 if (!skb)
 820                         break;
 821                 entry = usb_alloc_urb(0, GFP_KERNEL);
 822                 if (!entry) {
 823                         kfree_skb(skb);
 824                         break;
 825                 }
 826                 usb_fill_bulk_urb(entry, priv->udev,
 827                                   usb_rcvbulkpipe(priv->udev, 9),
 828                                   skb_tail_pointer(skb),
 829                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 830                 info = (struct rtl8192_rx_info *)skb->cb;
 831                 info->urb = entry;
 832                 info->dev = dev;
 833                 info->out_pipe = 9; /* denote rx cmd packet queue */
 834                 skb_queue_tail(&priv->rx_queue, skb);
 835                 usb_submit_urb(entry, GFP_KERNEL);
 836         }
 837
 838         return 0;
 839 }
 840
 841 void rtl8192_set_rxconf(struct net_device *dev)
 842 {
 843         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 844         u32 rxconf;
 845
 846         read_nic_dword(dev, RCR, &rxconf);
 847         rxconf = rxconf & ~MAC_FILTER_MASK;
 848         rxconf = rxconf | RCR_AMF;
 849         rxconf = rxconf | RCR_ADF;
 850         rxconf = rxconf | RCR_AB;
 851         rxconf = rxconf | RCR_AM;
 852
 853         if (dev->flags & IFF_PROMISC)
 854                 DMESG("NIC in promisc mode");
 855
 856         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 857             dev->flags & IFF_PROMISC) {
 858                 rxconf = rxconf | RCR_AAP;
 859         } else {
 860                 rxconf = rxconf | RCR_APM;
 861                 rxconf = rxconf | RCR_CBSSID;
 862         }
 863
 864
 865         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 866                 rxconf = rxconf | RCR_AICV;
 867                 rxconf = rxconf | RCR_APWRMGT;
 868         }
 869
 870         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 871                 rxconf = rxconf | RCR_ACRC32;
 872
 873
 874         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 875         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 876         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 877         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 878
 879         rxconf = rxconf | RCR_ONLYERLPKT;
 880
 881         write_nic_dword(dev, RCR, rxconf);
 882 }
 883
 884 /* wait to be removed */
 885 void rtl8192_rx_enable(struct net_device *dev)
 886 {
 887         rtl8192_rx_initiate(dev);
 888 }
 889
 890
 891 void rtl8192_tx_enable(struct net_device *dev)
 892 {
 893 }
 894
 895
 896
 897 void rtl8192_rtx_disable(struct net_device *dev)
 898 {
 899         u8 cmd;
 900         struct r8192_priv *priv = ieee80211_priv(dev);
 901         struct sk_buff *skb;
 902         struct rtl8192_rx_info *info;
 903
 904         read_nic_byte(dev, CMDR, &cmd);
 905         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 906         force_pci_posting(dev);
 907         mdelay(10);
 908
 909         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 910                 info = (struct rtl8192_rx_info *)skb->cb;
 911                 if (!info->urb)
 912                         continue;
 913
 914                 usb_kill_urb(info->urb);
 915                 kfree_skb(skb);
 916         }
 917
 918         if (skb_queue_len(&priv->skb_queue))
 919                 netdev_warn(dev, "skb_queue not empty\n");
 920
 921         skb_queue_purge(&priv->skb_queue);
 922 }
 923
 924 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 925 static void rtl8192_rx_isr(struct urb *urb)
 926 {
 927         struct sk_buff *skb = (struct sk_buff *)urb->context;
 928         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 929         struct net_device *dev = info->dev;
 930         struct r8192_priv *priv = ieee80211_priv(dev);
 931         int out_pipe = info->out_pipe;
 932         int err;
 933
 934         if (!priv->up)
 935                 return;
 936
 937         if (unlikely(urb->status)) {
 938                 info->urb = NULL;
 939                 priv->stats.rxstaterr++;
 940                 priv->ieee80211->stats.rx_errors++;
 941                 usb_free_urb(urb);
 942                 return;
 943         }
 944         skb_unlink(skb, &priv->rx_queue);
 945         skb_put(skb, urb->actual_length);
 946
 947         skb_queue_tail(&priv->skb_queue, skb);
 948         tasklet_schedule(&priv->irq_rx_tasklet);
 949
 950         skb = dev_alloc_skb(RX_URB_SIZE);
 951         if (unlikely(!skb)) {
 952                 usb_free_urb(urb);
 953                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 954                 /* TODO check rx queue length and refill *somewhere* */
 955                 return;
 956         }
 957
 958         usb_fill_bulk_urb(urb, priv->udev,
 959                           usb_rcvbulkpipe(priv->udev, out_pipe),
 960                           skb_tail_pointer(skb),
 961                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 962
 963         info = (struct rtl8192_rx_info *)skb->cb;
 964         info->urb = urb;
 965         info->dev = dev;
 966         info->out_pipe = out_pipe;
 967
 968         urb->transfer_buffer = skb_tail_pointer(skb);
 969         urb->context = skb;
 970         skb_queue_tail(&priv->rx_queue, skb);
 971         err = usb_submit_urb(urb, GFP_ATOMIC);
 972         if (err && err != EPERM)
 973                 netdev_err(dev,
 974                            "can not submit rxurb, err is %x, URB status is %x\n",
 975                            err, urb->status);
 976 }
 977
 978 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
 979                                         struct ieee80211_rx_stats *pstats)
 980 {
 981         u32     status;
 982
 983         status = cmpk_message_handle_rx(dev, pstats);
 984         if (status)
 985                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
 986
 987         return status;
 988 }
 989
 990
 991 static void rtl8192_data_hard_stop(struct net_device *dev)
 992 {
 993         /* FIXME !! */
 994 }
 995
 996
 997 static void rtl8192_data_hard_resume(struct net_device *dev)
 998 {
 999         /* FIXME !! */
1000 }
1001
1002 /* this function TX data frames when the ieee80211 stack requires this.
1003  * It checks also if we need to stop the ieee tx queue, eventually do it
1004  */
1005 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1006                                    int rate)
1007 {
1008         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1009         int ret;
1010         unsigned long flags;
1011         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1012         u8 queue_index = tcb_desc->queue_index;
1013
1014         /* shall not be referred by command packet */
1015         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1016
1017         spin_lock_irqsave(&priv->tx_lock, flags);
1018
1019         *(struct net_device **)(skb->cb) = dev;
1020         tcb_desc->bTxEnableFwCalcDur = 1;
1021         skb_push(skb, priv->ieee80211->tx_headroom);
1022         ret = rtl8192_tx(dev, skb);
1023
1024         spin_unlock_irqrestore(&priv->tx_lock, flags);
1025 }
1026
1027 /* This is a rough attempt to TX a frame
1028  * This is called by the ieee 80211 stack to TX management frames.
1029  * If the ring is full packet are dropped (for data frame the queue
1030  * is stopped before this can happen).
1031  */
1032 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1033 {
1034         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1035         int ret;
1036         unsigned long flags;
1037         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1038         u8 queue_index = tcb_desc->queue_index;
1039
1040
1041         spin_lock_irqsave(&priv->tx_lock, flags);
1042
1043         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1044         if (queue_index == TXCMD_QUEUE) {
1045                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1046                 rtl819xU_tx_cmd(dev, skb);
1047                 ret = 1;
1048         } else {
1049                 skb_push(skb, priv->ieee80211->tx_headroom);
1050                 ret = rtl8192_tx(dev, skb);
1051         }
1052
1053         spin_unlock_irqrestore(&priv->tx_lock, flags);
1054
1055         return ret;
1056 }
1057
1058 static void rtl8192_tx_isr(struct urb *tx_urb)
1059 {
1060         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1061         struct net_device *dev;
1062         struct r8192_priv *priv = NULL;
1063         struct cb_desc *tcb_desc;
1064         u8  queue_index;
1065
1066         if (!skb)
1067                 return;
1068
1069         dev = *(struct net_device **)(skb->cb);
1070         tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1071         queue_index = tcb_desc->queue_index;
1072
1073         priv = ieee80211_priv(dev);
1074
1075         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1076                 if (tx_urb->status == 0) {
1077                         netif_trans_update(dev);
1078                         priv->stats.txoktotal++;
1079                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1080                         priv->stats.txbytesunicast +=
1081                                 (skb->len - priv->ieee80211->tx_headroom);
1082                 } else {
1083                         priv->ieee80211->stats.tx_errors++;
1084                         /* TODO */
1085                 }
1086         }
1087
1088         /* free skb and tx_urb */
1089         dev_kfree_skb_any(skb);
1090         usb_free_urb(tx_urb);
1091         atomic_dec(&priv->tx_pending[queue_index]);
1092
1093         /*
1094          * Handle HW Beacon:
1095          * We had transfer our beacon frame to host controller at this moment.
1096          *
1097          *
1098          * Caution:
1099          * Handling the wait queue of command packets.
1100          * For Tx command packets, we must not do TCB fragment because it is
1101          * not handled right now. We must cut the packets to match the size of
1102          * TX_CMD_PKT before we send it.
1103          */
1104
1105         /* Handle MPDU in wait queue. */
1106         if (queue_index != BEACON_QUEUE) {
1107                 /* Don't send data frame during scanning.*/
1108                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1109                     (!(priv->ieee80211->queue_stop))) {
1110                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1111                         if (skb)
1112                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1113                                                                          dev);
1114
1115                         return; /* avoid further processing AMSDU */
1116                 }
1117         }
1118 }
1119
1120 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1121 {
1122         struct r8192_priv *priv = ieee80211_priv(dev);
1123         struct ieee80211_network *net;
1124         u8 i = 0, basic_rate = 0;
1125
1126         net = &priv->ieee80211->current_network;
1127
1128         for (i = 0; i < net->rates_len; i++) {
1129                 basic_rate = net->rates[i] & 0x7f;
1130                 switch (basic_rate) {
1131                 case MGN_1M:
1132                         *rate_config |= RRSR_1M;
1133                         break;
1134                 case MGN_2M:
1135                         *rate_config |= RRSR_2M;
1136                         break;
1137                 case MGN_5_5M:
1138                         *rate_config |= RRSR_5_5M;
1139                         break;
1140                 case MGN_11M:
1141                         *rate_config |= RRSR_11M;
1142                         break;
1143                 case MGN_6M:
1144                         *rate_config |= RRSR_6M;
1145                         break;
1146                 case MGN_9M:
1147                         *rate_config |= RRSR_9M;
1148                         break;
1149                 case MGN_12M:
1150                         *rate_config |= RRSR_12M;
1151                         break;
1152                 case MGN_18M:
1153                         *rate_config |= RRSR_18M;
1154                         break;
1155                 case MGN_24M:
1156                         *rate_config |= RRSR_24M;
1157                         break;
1158                 case MGN_36M:
1159                         *rate_config |= RRSR_36M;
1160                         break;
1161                 case MGN_48M:
1162                         *rate_config |= RRSR_48M;
1163                         break;
1164                 case MGN_54M:
1165                         *rate_config |= RRSR_54M;
1166                         break;
1167                 }
1168         }
1169         for (i = 0; i < net->rates_ex_len; i++) {
1170                 basic_rate = net->rates_ex[i] & 0x7f;
1171                 switch (basic_rate) {
1172                 case MGN_1M:
1173                         *rate_config |= RRSR_1M;
1174                         break;
1175                 case MGN_2M:
1176                         *rate_config |= RRSR_2M;
1177                         break;
1178                 case MGN_5_5M:
1179                         *rate_config |= RRSR_5_5M;
1180                         break;
1181                 case MGN_11M:
1182                         *rate_config |= RRSR_11M;
1183                         break;
1184                 case MGN_6M:
1185                         *rate_config |= RRSR_6M;
1186                         break;
1187                 case MGN_9M:
1188                         *rate_config |= RRSR_9M;
1189                         break;
1190                 case MGN_12M:
1191                         *rate_config |= RRSR_12M;
1192                         break;
1193                 case MGN_18M:
1194                         *rate_config |= RRSR_18M;
1195                         break;
1196                 case MGN_24M:
1197                         *rate_config |= RRSR_24M;
1198                         break;
1199                 case MGN_36M:
1200                         *rate_config |= RRSR_36M;
1201                         break;
1202                 case MGN_48M:
1203                         *rate_config |= RRSR_48M;
1204                         break;
1205                 case MGN_54M:
1206                         *rate_config |= RRSR_54M;
1207                         break;
1208                 }
1209         }
1210 }
1211
1212
1213 #define SHORT_SLOT_TIME 9
1214 #define NON_SHORT_SLOT_TIME 20
1215
1216 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1217 {
1218         u32 tmp = 0;
1219         struct r8192_priv *priv = ieee80211_priv(dev);
1220         struct ieee80211_network *net = &priv->ieee80211->current_network;
1221
1222         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1223         tmp = priv->basic_rate;
1224         if (priv->short_preamble)
1225                 tmp |= BRSR_AckShortPmb;
1226         write_nic_dword(dev, RRSR, tmp);
1227
1228         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1229                 u8 slot_time = 0;
1230
1231                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1232                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1233                         /* short slot time */
1234                         slot_time = SHORT_SLOT_TIME;
1235                 else    /* long slot time */
1236                         slot_time = NON_SHORT_SLOT_TIME;
1237                 priv->slot_time = slot_time;
1238                 write_nic_byte(dev, SLOT_TIME, slot_time);
1239         }
1240 }
1241
1242 static void rtl8192_net_update(struct net_device *dev)
1243 {
1244         struct r8192_priv *priv = ieee80211_priv(dev);
1245         struct ieee80211_network *net;
1246         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1247         u16 rate_config = 0;
1248
1249         net = &priv->ieee80211->current_network;
1250
1251         rtl8192_config_rate(dev, &rate_config);
1252         priv->basic_rate = rate_config & 0x15f;
1253
1254         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1255         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1256
1257         rtl8192_update_msr(dev);
1258         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1259                 write_nic_word(dev, ATIMWND, 2);
1260                 write_nic_word(dev, BCN_DMATIME, 1023);
1261                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1262                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1263                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1264                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1265                 /* TODO: BcnIFS may required to be changed on ASIC */
1266                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1267
1268                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1269         }
1270 }
1271
1272 /* temporary hw beacon is not used any more.
1273  * open it when necessary
1274  */
1275 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1276 {
1277
1278 }
1279
1280 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1281 {
1282         struct r8192_priv *priv = ieee80211_priv(dev);
1283         int                     status;
1284         struct urb              *tx_urb;
1285         unsigned int            idx_pipe;
1286         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1287         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1288         u8 queue_index = tcb_desc->queue_index;
1289
1290         atomic_inc(&priv->tx_pending[queue_index]);
1291         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1292         if (!tx_urb) {
1293                 dev_kfree_skb(skb);
1294                 return -ENOMEM;
1295         }
1296
1297         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1298         /* Tx descriptor ought to be set according to the skb->cb */
1299         pdesc->FirstSeg = 1;
1300         pdesc->LastSeg = 1;
1301         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1302         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1303         pdesc->OWN = 1;
1304         pdesc->LINIP = tcb_desc->bLastIniPkt;
1305
1306         /*---------------------------------------------------------------------
1307          * Fill up USB_OUT_CONTEXT.
1308          *---------------------------------------------------------------------
1309          */
1310         idx_pipe = 0x04;
1311         usb_fill_bulk_urb(tx_urb, priv->udev,
1312                           usb_sndbulkpipe(priv->udev, idx_pipe),
1313                           skb->data, skb->len, rtl8192_tx_isr, skb);
1314
1315         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1316
1317         if (!status)
1318                 return 0;
1319
1320         DMESGE("Error TX CMD URB, error %d", status);
1321         return -1;
1322 }
1323
1324 /*
1325  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1326  * in TxFwInfo data structure
1327  * 2006.10.30 by Emily
1328  *
1329  * \param QUEUEID       Software Queue
1330  */
1331 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1332 {
1333         u8 QueueSelect = 0x0;       /* default set to */
1334
1335         switch (QueueID) {
1336         case BE_QUEUE:
1337                 QueueSelect = QSLT_BE;
1338                 break;
1339
1340         case BK_QUEUE:
1341                 QueueSelect = QSLT_BK;
1342                 break;
1343
1344         case VO_QUEUE:
1345                 QueueSelect = QSLT_VO;
1346                 break;
1347
1348         case VI_QUEUE:
1349                 QueueSelect = QSLT_VI;
1350                 break;
1351         case MGNT_QUEUE:
1352                 QueueSelect = QSLT_MGNT;
1353                 break;
1354
1355         case BEACON_QUEUE:
1356                 QueueSelect = QSLT_BEACON;
1357                 break;
1358
1359                 /* TODO: mark other queue selection until we verify it is OK */
1360                 /* TODO: Remove Assertions */
1361         case TXCMD_QUEUE:
1362                 QueueSelect = QSLT_CMD;
1363                 break;
1364         case HIGH_QUEUE:
1365                 QueueSelect = QSLT_HIGH;
1366                 break;
1367
1368         default:
1369                 RT_TRACE(COMP_ERR,
1370                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1371                          QueueID);
1372                 break;
1373         }
1374         return QueueSelect;
1375 }
1376
1377 static u8 MRateToHwRate8190Pci(u8 rate)
1378 {
1379         u8  ret = DESC90_RATE1M;
1380
1381         switch (rate) {
1382         case MGN_1M:
1383                 ret = DESC90_RATE1M;
1384                 break;
1385         case MGN_2M:
1386                 ret = DESC90_RATE2M;
1387                 break;
1388         case MGN_5_5M:
1389                 ret = DESC90_RATE5_5M;
1390                 break;
1391         case MGN_11M:
1392                 ret = DESC90_RATE11M;
1393                 break;
1394         case MGN_6M:
1395                 ret = DESC90_RATE6M;
1396                 break;
1397         case MGN_9M:
1398                 ret = DESC90_RATE9M;
1399                 break;
1400         case MGN_12M:
1401                 ret = DESC90_RATE12M;
1402                 break;
1403         case MGN_18M:
1404                 ret = DESC90_RATE18M;
1405                 break;
1406         case MGN_24M:
1407                 ret = DESC90_RATE24M;
1408                 break;
1409         case MGN_36M:
1410                 ret = DESC90_RATE36M;
1411                 break;
1412         case MGN_48M:
1413                 ret = DESC90_RATE48M;
1414                 break;
1415         case MGN_54M:
1416                 ret = DESC90_RATE54M;
1417                 break;
1418
1419         /* HT rate since here */
1420         case MGN_MCS0:
1421                 ret = DESC90_RATEMCS0;
1422                 break;
1423         case MGN_MCS1:
1424                 ret = DESC90_RATEMCS1;
1425                 break;
1426         case MGN_MCS2:
1427                 ret = DESC90_RATEMCS2;
1428                 break;
1429         case MGN_MCS3:
1430                 ret = DESC90_RATEMCS3;
1431                 break;
1432         case MGN_MCS4:
1433                 ret = DESC90_RATEMCS4;
1434                 break;
1435         case MGN_MCS5:
1436                 ret = DESC90_RATEMCS5;
1437                 break;
1438         case MGN_MCS6:
1439                 ret = DESC90_RATEMCS6;
1440                 break;
1441         case MGN_MCS7:
1442                 ret = DESC90_RATEMCS7;
1443                 break;
1444         case MGN_MCS8:
1445                 ret = DESC90_RATEMCS8;
1446                 break;
1447         case MGN_MCS9:
1448                 ret = DESC90_RATEMCS9;
1449                 break;
1450         case MGN_MCS10:
1451                 ret = DESC90_RATEMCS10;
1452                 break;
1453         case MGN_MCS11:
1454                 ret = DESC90_RATEMCS11;
1455                 break;
1456         case MGN_MCS12:
1457                 ret = DESC90_RATEMCS12;
1458                 break;
1459         case MGN_MCS13:
1460                 ret = DESC90_RATEMCS13;
1461                 break;
1462         case MGN_MCS14:
1463                 ret = DESC90_RATEMCS14;
1464                 break;
1465         case MGN_MCS15:
1466                 ret = DESC90_RATEMCS15;
1467                 break;
1468         case (0x80 | 0x20):
1469                 ret = DESC90_RATEMCS32;
1470                 break;
1471
1472         default:
1473                 break;
1474         }
1475         return ret;
1476 }
1477
1478
1479 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1480 {
1481         u8   tmp_Short;
1482
1483         tmp_Short = (TxHT == 1) ?
1484                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1485                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1486
1487         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1488                 tmp_Short = 0;
1489
1490         return tmp_Short;
1491 }
1492
1493 static void tx_zero_isr(struct urb *tx_urb)
1494 {
1495 }
1496
1497 /*
1498  * The tx procedure is just as following,
1499  * skb->cb will contain all the following information,
1500  * priority, morefrag, rate, &dev.
1501  */
1502 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1503 {
1504         struct r8192_priv *priv = ieee80211_priv(dev);
1505         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1506         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1507         tx_fwinfo_819x_usb *tx_fwinfo =
1508                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1509         struct usb_device *udev = priv->udev;
1510         int pend;
1511         int status;
1512         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1513         unsigned int idx_pipe;
1514
1515         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1516         /* we are locked here so the two atomic_read and inc are executed
1517          * without interleaves
1518          * !!! For debug purpose
1519          */
1520         if (pend > MAX_TX_URB) {
1521                 netdev_dbg(dev, "To discard skb packet!\n");
1522                 dev_kfree_skb_any(skb);
1523                 return -1;
1524         }
1525
1526         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1527         if (!tx_urb) {
1528                 dev_kfree_skb_any(skb);
1529                 return -ENOMEM;
1530         }
1531
1532         /* Fill Tx firmware info */
1533         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1534         /* DWORD 0 */
1535         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1536         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1537         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1538         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1539                                         tcb_desc);
1540         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1541                 tx_fwinfo->AllowAggregation = 1;
1542                 /* DWORD 1 */
1543                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1544                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1545         } else {
1546                 tx_fwinfo->AllowAggregation = 0;
1547                 /* DWORD 1 */
1548                 tx_fwinfo->RxMF = 0;
1549                 tx_fwinfo->RxAMD = 0;
1550         }
1551
1552         /* Protection mode related */
1553         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1554         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1555         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1556         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1557         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1558         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1559         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1560         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1561                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1562
1563         /* Set Bandwidth and sub-channel settings. */
1564         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1565                 if (tcb_desc->bPacketBW) {
1566                         tx_fwinfo->TxBandwidth = 1;
1567                         /* use duplicated mode */
1568                         tx_fwinfo->TxSubCarrier = 0;
1569                 } else {
1570                         tx_fwinfo->TxBandwidth = 0;
1571                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1572                 }
1573         } else {
1574                 tx_fwinfo->TxBandwidth = 0;
1575                 tx_fwinfo->TxSubCarrier = 0;
1576         }
1577
1578         /* Fill Tx descriptor */
1579         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1580         /* DWORD 0 */
1581         tx_desc->LINIP = 0;
1582         tx_desc->CmdInit = 1;
1583         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1584         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1585
1586         /*DWORD 1*/
1587         tx_desc->SecCAMID = 0;
1588         tx_desc->RATid = tcb_desc->RATRIndex;
1589         tx_desc->NoEnc = 1;
1590         tx_desc->SecType = 0x0;
1591         if (tcb_desc->bHwSec) {
1592                 switch (priv->ieee80211->pairwise_key_type) {
1593                 case KEY_TYPE_WEP40:
1594                 case KEY_TYPE_WEP104:
1595                         tx_desc->SecType = 0x1;
1596                         tx_desc->NoEnc = 0;
1597                         break;
1598                 case KEY_TYPE_TKIP:
1599                         tx_desc->SecType = 0x2;
1600                         tx_desc->NoEnc = 0;
1601                         break;
1602                 case KEY_TYPE_CCMP:
1603                         tx_desc->SecType = 0x3;
1604                         tx_desc->NoEnc = 0;
1605                         break;
1606                 case KEY_TYPE_NA:
1607                         tx_desc->SecType = 0x0;
1608                         tx_desc->NoEnc = 1;
1609                         break;
1610                 }
1611         }
1612
1613         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1614         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1615
1616         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1617         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1618
1619         /* Fill fields that are required to be initialized in
1620          * all of the descriptors
1621          */
1622         /* DWORD 0 */
1623         tx_desc->FirstSeg = 1;
1624         tx_desc->LastSeg = 1;
1625         tx_desc->OWN = 1;
1626
1627         /* DWORD 2 */
1628         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1629         idx_pipe = 0x5;
1630
1631         /* To submit bulk urb */
1632         usb_fill_bulk_urb(tx_urb, udev,
1633                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1634                           skb->len, rtl8192_tx_isr, skb);
1635
1636         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1637         if (!status) {
1638                 /* We need to send 0 byte packet whenever
1639                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1640                  * been transmitted. Otherwise, it will be halt to wait for
1641                  * another packet.
1642                  */
1643                 bool bSend0Byte = false;
1644                 u8 zero = 0;
1645
1646                 if (udev->speed == USB_SPEED_HIGH) {
1647                         if (skb->len > 0 && skb->len % 512 == 0)
1648                                 bSend0Byte = true;
1649                 } else {
1650                         if (skb->len > 0 && skb->len % 64 == 0)
1651                                 bSend0Byte = true;
1652                 }
1653                 if (bSend0Byte) {
1654                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1655                         if (!tx_urb_zero)
1656                                 return -ENOMEM;
1657                         usb_fill_bulk_urb(tx_urb_zero, udev,
1658                                           usb_sndbulkpipe(udev, idx_pipe),
1659                                           &zero, 0, tx_zero_isr, dev);
1660                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1661                         if (status) {
1662                                 RT_TRACE(COMP_ERR,
1663                                          "Error TX URB for zero byte %d, error %d",
1664                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1665                                          status);
1666                                 return -1;
1667                         }
1668                 }
1669                 netif_trans_update(dev);
1670                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1671                 return 0;
1672         }
1673
1674         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1675                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1676                  status);
1677         return -1;
1678 }
1679
1680 static short rtl8192_usb_initendpoints(struct net_device *dev)
1681 {
1682         struct r8192_priv *priv = ieee80211_priv(dev);
1683
1684         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1685                                GFP_KERNEL);
1686         if (!priv->rx_urb)
1687                 return -ENOMEM;
1688
1689 #ifndef JACKSON_NEW_RX
1690         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1691                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1692
1693                 priv->rx_urb[i]->transfer_buffer =
1694                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1695
1696                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1697         }
1698 #endif
1699
1700 #ifdef THOMAS_BEACON
1701         {
1702                 long align = 0;
1703                 void *oldaddr, *newaddr;
1704
1705                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1706                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1707                 oldaddr = priv->oldaddr;
1708                 align = ((long)oldaddr) & 3;
1709                 if (align) {
1710                         newaddr = oldaddr + 4 - align;
1711                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1712                 } else {
1713                         newaddr = oldaddr;
1714                         priv->rx_urb[16]->transfer_buffer_length = 16;
1715                 }
1716                 priv->rx_urb[16]->transfer_buffer = newaddr;
1717         }
1718 #endif
1719
1720         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1721         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1722                                  GFP_KERNEL);
1723         if (!priv->pp_rxskb) {
1724                 kfree(priv->rx_urb);
1725
1726                 priv->pp_rxskb = NULL;
1727                 priv->rx_urb = NULL;
1728
1729                 DMESGE("Endpoint Alloc Failure");
1730                 return -ENOMEM;
1731         }
1732
1733         netdev_dbg(dev, "End of initendpoints\n");
1734         return 0;
1735 }
1736
1737 #ifdef THOMAS_BEACON
1738 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1739 {
1740         int i;
1741         struct r8192_priv *priv = ieee80211_priv(dev);
1742
1743         if (priv->rx_urb) {
1744                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1745                         usb_kill_urb(priv->rx_urb[i]);
1746                         usb_free_urb(priv->rx_urb[i]);
1747                 }
1748                 kfree(priv->rx_urb);
1749                 priv->rx_urb = NULL;
1750         }
1751         kfree(priv->oldaddr);
1752         priv->oldaddr = NULL;
1753
1754         kfree(priv->pp_rxskb);
1755         priv->pp_rxskb = NULL;
1756 }
1757 #else
1758 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1759 {
1760         int i;
1761         struct r8192_priv *priv = ieee80211_priv(dev);
1762
1763 #ifndef JACKSON_NEW_RX
1764
1765         if (priv->rx_urb) {
1766                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1767                         usb_kill_urb(priv->rx_urb[i]);
1768                         kfree(priv->rx_urb[i]->transfer_buffer);
1769                         usb_free_urb(priv->rx_urb[i]);
1770                 }
1771                 kfree(priv->rx_urb);
1772                 priv->rx_urb = NULL;
1773         }
1774 #else
1775         kfree(priv->rx_urb);
1776         priv->rx_urb = NULL;
1777         kfree(priv->oldaddr);
1778         priv->oldaddr = NULL;
1779
1780         kfree(priv->pp_rxskb);
1781         priv->pp_rxskb = 0;
1782
1783 #endif
1784 }
1785 #endif
1786
1787 static void rtl8192_update_ratr_table(struct net_device *dev);
1788 static void rtl8192_link_change(struct net_device *dev)
1789 {
1790         struct r8192_priv *priv = ieee80211_priv(dev);
1791         struct ieee80211_device *ieee = priv->ieee80211;
1792
1793         if (ieee->state == IEEE80211_LINKED) {
1794                 rtl8192_net_update(dev);
1795                 rtl8192_update_ratr_table(dev);
1796                 /* Add this as in pure N mode, wep encryption will use software
1797                  * way, but there is no chance to set this as wep will not set
1798                  * group key in wext.
1799                  */
1800                 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1801                     ieee->pairwise_key_type == KEY_TYPE_WEP104)
1802                         EnableHWSecurityConfig8192(dev);
1803         }
1804         /*update timing params*/
1805         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1806                 u32 reg = 0;
1807
1808                 read_nic_dword(dev, RCR, &reg);
1809                 if (priv->ieee80211->state == IEEE80211_LINKED)
1810                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1811                 else
1812                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1813                 write_nic_dword(dev, RCR, reg);
1814         }
1815 }
1816
1817 static const struct ieee80211_qos_parameters def_qos_parameters = {
1818         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1819         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1820         {2, 2, 2, 2},/* aifs */
1821         {0, 0, 0, 0},/* flags */
1822         {0, 0, 0, 0} /* tx_op_limit */
1823 };
1824
1825
1826 static void rtl8192_update_beacon(struct work_struct *work)
1827 {
1828         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1829                                                update_beacon_wq.work);
1830         struct net_device *dev = priv->ieee80211->dev;
1831         struct ieee80211_device *ieee = priv->ieee80211;
1832         struct ieee80211_network *net = &ieee->current_network;
1833
1834         if (ieee->pHTInfo->bCurrentHTSupport)
1835                 HTUpdateSelfAndPeerSetting(ieee, net);
1836         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1837                 net->bssht.bdRT2RTLongSlotTime;
1838         rtl8192_update_cap(dev, net->capability);
1839 }
1840
1841 /*
1842  * background support to run QoS activate functionality
1843  */
1844 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1845                              EDCAPARA_VI, EDCAPARA_VO};
1846 static void rtl8192_qos_activate(struct work_struct *work)
1847 {
1848         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1849                                                qos_activate);
1850         struct net_device *dev = priv->ieee80211->dev;
1851         struct ieee80211_qos_parameters *qos_parameters =
1852                 &priv->ieee80211->current_network.qos_data.parameters;
1853         u8 mode = priv->ieee80211->current_network.mode;
1854         u32  u1bAIFS;
1855         u32 u4bAcParam;
1856         u32 op_limit;
1857         u32 cw_max;
1858         u32 cw_min;
1859         int i;
1860
1861         mutex_lock(&priv->mutex);
1862         if (priv->ieee80211->state != IEEE80211_LINKED)
1863                 goto success;
1864         RT_TRACE(COMP_QOS,
1865                  "qos active process with associate response received\n");
1866         /* It better set slot time at first
1867          *
1868          * For we just support b/g mode at present, let the slot time at
1869          * 9/20 selection
1870          *
1871          * update the ac parameter to related registers
1872          */
1873         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1874                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1875                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1876                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1877                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1878                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1879                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1880                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1881                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1882                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1883                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1884                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1885         }
1886
1887 success:
1888         mutex_unlock(&priv->mutex);
1889 }
1890
1891 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1892                                              int active_network,
1893                                              struct ieee80211_network *network)
1894 {
1895         int ret = 0;
1896         u32 size = sizeof(struct ieee80211_qos_parameters);
1897
1898         if (priv->ieee80211->state != IEEE80211_LINKED)
1899                 return ret;
1900
1901         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1902                 return ret;
1903
1904         if (network->flags & NETWORK_HAS_QOS_MASK) {
1905                 if (active_network &&
1906                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1907                         network->qos_data.active = network->qos_data.supported;
1908
1909                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1910                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1911                     (network->qos_data.old_param_count !=
1912                      network->qos_data.param_count)) {
1913                         network->qos_data.old_param_count =
1914                                 network->qos_data.param_count;
1915                         schedule_work(&priv->qos_activate);
1916                         RT_TRACE(COMP_QOS,
1917                                  "QoS parameters change call qos_activate\n");
1918                 }
1919         } else {
1920                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1921                        &def_qos_parameters, size);
1922
1923                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1924                         schedule_work(&priv->qos_activate);
1925                         RT_TRACE(COMP_QOS,
1926                                  "QoS was disabled call qos_activate\n");
1927                 }
1928                 network->qos_data.active = 0;
1929                 network->qos_data.supported = 0;
1930         }
1931
1932         return 0;
1933 }
1934
1935 /* handle and manage frame from beacon and probe response */
1936 static int rtl8192_handle_beacon(struct net_device *dev,
1937                                  struct ieee80211_beacon *beacon,
1938                                  struct ieee80211_network *network)
1939 {
1940         struct r8192_priv *priv = ieee80211_priv(dev);
1941
1942         rtl8192_qos_handle_probe_response(priv, 1, network);
1943         schedule_delayed_work(&priv->update_beacon_wq, 0);
1944         return 0;
1945 }
1946
1947 /*
1948  * handling the beaconing responses. if we get different QoS setting
1949  * off the network from the associated setting, adjust the QoS
1950  * setting
1951  */
1952 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1953                                         struct ieee80211_network *network)
1954 {
1955         unsigned long flags;
1956         u32 size = sizeof(struct ieee80211_qos_parameters);
1957         int set_qos_param = 0;
1958
1959         if (!priv || !network)
1960                 return 0;
1961
1962         if (priv->ieee80211->state != IEEE80211_LINKED)
1963                 return 0;
1964
1965         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1966                 return 0;
1967
1968         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1969         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1970                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1971                        &network->qos_data.parameters,
1972                        sizeof(struct ieee80211_qos_parameters));
1973                 priv->ieee80211->current_network.qos_data.active = 1;
1974                 set_qos_param = 1;
1975                 /* update qos parameter for current network */
1976                 priv->ieee80211->current_network.qos_data.old_param_count =
1977                         priv->ieee80211->current_network.qos_data.param_count;
1978                 priv->ieee80211->current_network.qos_data.param_count =
1979                         network->qos_data.param_count;
1980         } else {
1981                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1982                        &def_qos_parameters, size);
1983                 priv->ieee80211->current_network.qos_data.active = 0;
1984                 priv->ieee80211->current_network.qos_data.supported = 0;
1985                 set_qos_param = 1;
1986         }
1987
1988         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1989
1990         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1991                  network->flags,
1992                  priv->ieee80211->current_network.qos_data.active);
1993         if (set_qos_param == 1)
1994                 schedule_work(&priv->qos_activate);
1995
1996
1997         return 0;
1998 }
1999
2000
2001 static int rtl8192_handle_assoc_response(
2002                 struct net_device *dev,
2003                 struct ieee80211_assoc_response_frame *resp,
2004                 struct ieee80211_network *network)
2005 {
2006         struct r8192_priv *priv = ieee80211_priv(dev);
2007
2008         rtl8192_qos_association_resp(priv, network);
2009         return 0;
2010 }
2011
2012
2013 static void rtl8192_update_ratr_table(struct net_device *dev)
2014 {
2015         struct r8192_priv *priv = ieee80211_priv(dev);
2016         struct ieee80211_device *ieee = priv->ieee80211;
2017         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2018         u32 ratr_value = 0;
2019         u8 rate_index = 0;
2020
2021         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2022         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2023         switch (ieee->mode) {
2024         case IEEE_A:
2025                 ratr_value &= 0x00000FF0;
2026                 break;
2027         case IEEE_B:
2028                 ratr_value &= 0x0000000F;
2029                 break;
2030         case IEEE_G:
2031                 ratr_value &= 0x00000FF7;
2032                 break;
2033         case IEEE_N_24G:
2034         case IEEE_N_5G:
2035                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2036                         ratr_value &= 0x0007F007;
2037                 } else {
2038                         if (priv->rf_type == RF_1T2R)
2039                                 ratr_value &= 0x000FF007;
2040                         else
2041                                 ratr_value &= 0x0F81F007;
2042                 }
2043                 break;
2044         default:
2045                 break;
2046         }
2047         ratr_value &= 0x0FFFFFFF;
2048         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2049                 ratr_value |= 0x80000000;
2050         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2051                  ieee->pHTInfo->bCurShortGI20MHz)
2052                 ratr_value |= 0x80000000;
2053         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2054         write_nic_byte(dev, UFWP, 1);
2055 }
2056
2057 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2058 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2059 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2060 {
2061         struct r8192_priv *priv = ieee80211_priv(dev);
2062         struct ieee80211_device *ieee = priv->ieee80211;
2063         struct ieee80211_network *network = &ieee->current_network;
2064         int wpa_ie_len = ieee->wpa_ie_len;
2065         struct ieee80211_crypt_data *crypt;
2066         int encrypt;
2067
2068         crypt = ieee->crypt[ieee->tx_keyidx];
2069         /* we use connecting AP's capability instead of only security config
2070          * on our driver to distinguish whether it should use N mode or G mode
2071          */
2072         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2073                   (ieee->host_encrypt && crypt && crypt->ops &&
2074                    (strcmp(crypt->ops->name, "WEP") == 0));
2075
2076         /* simply judge  */
2077         if (encrypt && (wpa_ie_len == 0)) {
2078                 /* wep encryption, no N mode setting */
2079                 return false;
2080         } else if ((wpa_ie_len != 0)) {
2081                 /* parse pairwise key type */
2082                 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))))
2083                         return true;
2084                 else
2085                         return false;
2086         } else {
2087                 return true;
2088         }
2089
2090         return true;
2091 }
2092
2093 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2094 {
2095         struct r8192_priv *priv = ieee80211_priv(dev);
2096
2097         return priv->ieee80211->bHalfWirelessN24GMode;
2098 }
2099
2100 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2101 {
2102         struct ieee80211_device *ieee = priv->ieee80211;
2103         /* We do not consider set support rate for ABG mode, only
2104          * HT MCS rate is set here.
2105          */
2106         if (ieee->mode == WIRELESS_MODE_N_24G ||
2107             ieee->mode == WIRELESS_MODE_N_5G)
2108                 memcpy(ieee->Regdot11HTOperationalRateSet,
2109                        ieee->RegHTSuppRateSet, 16);
2110         else
2111                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2112 }
2113
2114 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2115 {
2116         struct r8192_priv *priv = ieee80211_priv(dev);
2117         u8 ret = 0;
2118
2119         switch (priv->rf_chip) {
2120         case RF_8225:
2121         case RF_8256:
2122         case RF_PSEUDO_11N:
2123                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2124                 break;
2125         case RF_8258:
2126                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2127                 break;
2128         default:
2129                 ret = WIRELESS_MODE_B;
2130                 break;
2131         }
2132         return ret;
2133 }
2134
2135 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2136 {
2137         struct r8192_priv *priv = ieee80211_priv(dev);
2138         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2139
2140         if (wireless_mode == WIRELESS_MODE_AUTO ||
2141             (wireless_mode & bSupportMode) == 0) {
2142                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2143                         wireless_mode = WIRELESS_MODE_N_24G;
2144                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2145                         wireless_mode = WIRELESS_MODE_N_5G;
2146                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2147                         wireless_mode = WIRELESS_MODE_A;
2148                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2149                         wireless_mode = WIRELESS_MODE_G;
2150                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2151                         wireless_mode = WIRELESS_MODE_B;
2152                 } else {
2153                         RT_TRACE(COMP_ERR,
2154                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2155                                  __func__, bSupportMode);
2156                         wireless_mode = WIRELESS_MODE_B;
2157                 }
2158         }
2159 #ifdef TO_DO_LIST
2160         /* TODO: this function doesn't work well at this time,
2161          * we should wait for FPGA
2162          */
2163         ActUpdateChannelAccessSetting(
2164                         pAdapter, pHalData->CurrentWirelessMode,
2165                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2166 #endif
2167         priv->ieee80211->mode = wireless_mode;
2168
2169         if (wireless_mode == WIRELESS_MODE_N_24G ||
2170             wireless_mode == WIRELESS_MODE_N_5G)
2171                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2172         else
2173                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2174         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2175         rtl8192_refresh_supportrate(priv);
2176 }
2177
2178 /* init priv variables here. only non_zero value should be initialized here. */
2179 static void rtl8192_init_priv_variable(struct net_device *dev)
2180 {
2181         struct r8192_priv *priv = ieee80211_priv(dev);
2182         u8 i;
2183
2184         priv->card_8192 = NIC_8192U;
2185         priv->chan = 1; /* set to channel 1 */
2186         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2187         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2188         priv->ieee80211->ieee_up = 0;
2189         priv->retry_rts = DEFAULT_RETRY_RTS;
2190         priv->retry_data = DEFAULT_RETRY_DATA;
2191         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2192         priv->ieee80211->rate = 110; /* 11 mbps */
2193         priv->ieee80211->short_slot = 1;
2194         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2195         priv->CckPwEnl = 6;
2196         /* for silent reset */
2197         priv->IrpPendingCount = 1;
2198         priv->ResetProgress = RESET_TYPE_NORESET;
2199         priv->bForcedSilentReset = false;
2200         priv->bDisableNormalResetCheck = false;
2201         priv->force_reset = false;
2202
2203         /* we don't use FW read/write RF until stable firmware is available. */
2204         priv->ieee80211->FwRWRF = 0;
2205         priv->ieee80211->current_network.beacon_interval =
2206                 DEFAULT_BEACONINTERVAL;
2207         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2208                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2209                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2210                 IEEE_SOFTMAC_BEACONS;
2211
2212         priv->ieee80211->active_scan = 1;
2213         priv->ieee80211->modulation =
2214                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2215         priv->ieee80211->host_encrypt = 1;
2216         priv->ieee80211->host_decrypt = 1;
2217         priv->ieee80211->start_send_beacons = NULL;
2218         priv->ieee80211->stop_send_beacons = NULL;
2219         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2220         priv->ieee80211->set_chan = rtl8192_set_chan;
2221         priv->ieee80211->link_change = rtl8192_link_change;
2222         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2223         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2224         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2225         priv->ieee80211->init_wmmparam_flag = 0;
2226         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2227         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2228         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2229         priv->ieee80211->qos_support = 1;
2230
2231         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2232         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2233         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2234
2235         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2236         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2237                 GetHalfNmodeSupportByAPs819xUsb;
2238         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2239
2240         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2241         priv->card_type = USB;
2242 #ifdef TO_DO_LIST
2243         if (Adapter->bInHctTest) {
2244                 pHalData->ShortRetryLimit = 7;
2245                 pHalData->LongRetryLimit = 7;
2246         }
2247 #endif
2248         priv->ShortRetryLimit = 0x30;
2249         priv->LongRetryLimit = 0x30;
2250         priv->EarlyRxThreshold = 7;
2251         priv->enable_gpio0 = 0;
2252         priv->TransmitConfig =
2253                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2254                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2255                 /* Short retry limit */
2256                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2257                 /* Long retry limit */
2258                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2259                 /* FALSE: HW provides PLCP length and LENGEXT
2260                  * TRUE: SW provides them
2261                  */
2262                 (false ? TCR_SAT : 0);
2263 #ifdef TO_DO_LIST
2264         if (Adapter->bInHctTest)
2265                 pHalData->ReceiveConfig =
2266                         pHalData->CSMethod |
2267                         /* accept management/data */
2268                         RCR_AMF | RCR_ADF |
2269                         /* accept control frame for SW
2270                          * AP needs PS-poll
2271                          */
2272                         RCR_ACF |
2273                         /* accept BC/MC/UC */
2274                         RCR_AB | RCR_AM | RCR_APM |
2275                         /* accept ICV/CRC error
2276                          * packet
2277                          */
2278                         RCR_AICV | RCR_ACRC32 |
2279                         /* Max DMA Burst Size per Tx
2280                          * DMA Burst, 7: unlimited.
2281                          */
2282                         ((u32)7 << RCR_MXDMA_OFFSET) |
2283                         /* Rx FIFO Threshold,
2284                          * 7: No Rx threshold.
2285                          */
2286                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2287                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2288         else
2289
2290 #endif
2291         priv->ReceiveConfig     =
2292                 /* accept management/data */
2293                 RCR_AMF | RCR_ADF |
2294                 /* accept control frame for SW AP needs PS-poll */
2295                 RCR_ACF |
2296                 /* accept BC/MC/UC */
2297                 RCR_AB | RCR_AM | RCR_APM |
2298                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2299                 ((u32)7 << RCR_MXDMA_OFFSET) |
2300                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2301                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2302                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2303
2304         priv->AcmControl = 0;
2305         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2306
2307         /* rx related queue */
2308         skb_queue_head_init(&priv->rx_queue);
2309         skb_queue_head_init(&priv->skb_queue);
2310
2311         /* Tx related queue */
2312         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2313                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2314         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2315                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2316         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2317                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2318         priv->rf_set_chan = rtl8192_phy_SwChnl;
2319 }
2320
2321 /* init lock here */
2322 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2323 {
2324         spin_lock_init(&priv->tx_lock);
2325         spin_lock_init(&priv->irq_lock);
2326         mutex_init(&priv->wx_mutex);
2327         mutex_init(&priv->mutex);
2328 }
2329
2330 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2331
2332 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2333 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2334 #define DRV_NAME "wlan0"
2335 static void rtl8192_init_priv_task(struct net_device *dev)
2336 {
2337         struct r8192_priv *priv = ieee80211_priv(dev);
2338
2339
2340         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2341
2342         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2343                           rtl819x_watchdog_wqcallback);
2344         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2345                           dm_txpower_trackingcallback);
2346         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2347                           dm_rf_pathcheck_workitemcallback);
2348         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2349                           rtl8192_update_beacon);
2350         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2351                           InitialGainOperateWorkItemCallBack);
2352         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2353
2354         tasklet_init(&priv->irq_rx_tasklet,
2355                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2356                      (unsigned long)priv);
2357 }
2358
2359 static void rtl8192_get_eeprom_size(struct net_device *dev)
2360 {
2361         u16 curCR = 0;
2362         struct r8192_priv *priv = ieee80211_priv(dev);
2363
2364         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2365         read_nic_word_E(dev, EPROM_CMD, &curCR);
2366         RT_TRACE(COMP_EPROM,
2367                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2368         /* whether need I consider BIT(5?) */
2369         priv->epromtype =
2370                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2371         RT_TRACE(COMP_EPROM,
2372                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2373 }
2374
2375 /* used to swap endian. as ntohl & htonl are not necessary
2376  * to swap endian, so use this instead.
2377  */
2378 static inline u16 endian_swap(u16 *data)
2379 {
2380         u16 tmp = *data;
2381         *data = (tmp >> 8) | (tmp << 8);
2382         return *data;
2383 }
2384
2385 static int rtl8192_read_eeprom_info(struct net_device *dev)
2386 {
2387         u16 wEPROM_ID = 0;
2388         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2389         u8 bLoad_From_EEPOM = false;
2390         struct r8192_priv *priv = ieee80211_priv(dev);
2391         u16 tmpValue = 0;
2392         int i;
2393         int ret;
2394
2395         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2396         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2397         if (ret < 0)
2398                 return ret;
2399         wEPROM_ID = (u16)ret;
2400         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2401
2402         if (wEPROM_ID != RTL8190_EEPROM_ID)
2403                 RT_TRACE(COMP_ERR,
2404                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2405                          wEPROM_ID, RTL8190_EEPROM_ID);
2406         else
2407                 bLoad_From_EEPOM = true;
2408
2409         if (bLoad_From_EEPOM) {
2410                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2411                 ret = eprom_read(dev, EEPROM_VID >> 1);
2412                 if (ret < 0)
2413                         return ret;
2414                 tmpValue = (u16)ret;
2415                 priv->eeprom_vid = endian_swap(&tmpValue);
2416                 ret = eprom_read(dev, EEPROM_PID >> 1);
2417                 if (ret < 0)
2418                         return ret;
2419                 priv->eeprom_pid = (u16)ret;
2420                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2421                 if (ret < 0)
2422                         return ret;
2423                 tmpValue = (u16)ret;
2424                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2425                 priv->btxpowerdata_readfromEEPORM = true;
2426                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2427                 if (ret < 0)
2428                         return ret;
2429                 priv->eeprom_CustomerID = (u16)ret;
2430         } else {
2431                 priv->eeprom_vid = 0;
2432                 priv->eeprom_pid = 0;
2433                 priv->card_8192_version = VERSION_819xU_B;
2434                 priv->eeprom_ChannelPlan = 0;
2435                 priv->eeprom_CustomerID = 0;
2436         }
2437         RT_TRACE(COMP_EPROM,
2438                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2439                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2440                  priv->eeprom_ChannelPlan);
2441         /* set channelplan from eeprom */
2442         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2443         if (bLoad_From_EEPOM) {
2444                 int i;
2445
2446                 for (i = 0; i < 6; i += 2) {
2447                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2448                         if (ret < 0)
2449                                 return ret;
2450                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2451                 }
2452         } else {
2453                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2454                 /* should I set IDR0 here? */
2455         }
2456         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2457         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2458         priv->rf_chip = RF_8256;
2459
2460         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2461                 /* read Tx power gain offset of legacy OFDM to HT rate */
2462                 if (bLoad_From_EEPOM) {
2463                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2464                         if (ret < 0)
2465                                 return ret;
2466                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2467                 } else
2468                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2469                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2470                 /* read ThermalMeter from EEPROM */
2471                 if (bLoad_From_EEPOM) {
2472                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2473                         if (ret < 0)
2474                                 return ret;
2475                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2476                 } else
2477                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2478                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2479                 /* for tx power track */
2480                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2481                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2482                 if (bLoad_From_EEPOM) {
2483                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2484                         if (ret < 0)
2485                                 return ret;
2486                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2487                 } else
2488                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2489                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2490                 /* Read CrystalCap from EEPROM */
2491                 if (bLoad_From_EEPOM) {
2492                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2493                         if (ret < 0)
2494                                 return ret;
2495                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2496                 } else
2497                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2498                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2499                 /* get per-channel Tx power level */
2500                 if (bLoad_From_EEPOM) {
2501                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2502                         if (ret < 0)
2503                                 return ret;
2504                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2505                 } else
2506                         priv->EEPROM_Def_Ver = 1;
2507                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2508                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2509                         int i;
2510
2511                         if (bLoad_From_EEPOM) {
2512                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2513                                 if (ret < 0)
2514                                         return ret;
2515                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2516                         } else
2517                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2518                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2519                         for (i = 0; i < 3; i++) {
2520                                 if (bLoad_From_EEPOM) {
2521                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2522                                         if (ret < 0)
2523                                                 return ret;
2524                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2525                                                 tmpValue = (u16)ret & 0x00ff;
2526                                         else
2527                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2528                                 } else {
2529                                         tmpValue = 0x10;
2530                                 }
2531                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2532                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2533                         }
2534                 } else if (priv->EEPROM_Def_Ver == 1) {
2535                         if (bLoad_From_EEPOM) {
2536                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2537                                 if (ret < 0)
2538                                         return ret;
2539                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2540                         } else {
2541                                 tmpValue = 0x10;
2542                         }
2543                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2544
2545                         if (bLoad_From_EEPOM) {
2546                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2547                                 if (ret < 0)
2548                                         return ret;
2549                                 tmpValue = (u16)ret;
2550                         } else
2551                                 tmpValue = 0x1010;
2552                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2553                         if (bLoad_From_EEPOM)
2554                                 tmpValue = eprom_read(dev,
2555                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2556                         else
2557                                 tmpValue = 0x1010;
2558                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2559                         if (bLoad_From_EEPOM)
2560                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2561                         else
2562                                 tmpValue = 0x10;
2563                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2564                 } /* endif EEPROM_Def_Ver == 1 */
2565
2566                 /* update HAL variables */
2567                 for (i = 0; i < 14; i++) {
2568                         if (i <= 3)
2569                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2570                         else if (i >= 4 && i <= 9)
2571                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2572                         else
2573                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2574                 }
2575
2576                 for (i = 0; i < 14; i++) {
2577                         if (priv->EEPROM_Def_Ver == 0) {
2578                                 if (i <= 3)
2579                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2580                                 else if (i >= 4 && i <= 9)
2581                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2582                                 else
2583                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2584                         } else if (priv->EEPROM_Def_Ver == 1) {
2585                                 if (i <= 3)
2586                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2587                                 else if (i >= 4 && i <= 9)
2588                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2589                                 else
2590                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2591                         }
2592                 }
2593                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2594                 /* Antenna B gain offset to antenna A, bit0~3 */
2595                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2596                 /* Antenna C gain offset to antenna A, bit4~7 */
2597                 priv->AntennaTxPwDiff[1] =
2598                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2599                 /* CrystalCap, bit12~15 */
2600                 priv->CrystalCap = priv->EEPROMCrystalCap;
2601                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2602                  * 92U does not enable TX power tracking.
2603                  */
2604                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2605         } /* end if VersionID == VERSION_819xU_A */
2606
2607         /* for dlink led */
2608         switch (priv->eeprom_CustomerID) {
2609         case EEPROM_CID_RUNTOP:
2610                 priv->CustomerID = RT_CID_819x_RUNTOP;
2611                 break;
2612
2613         case EEPROM_CID_DLINK:
2614                 priv->CustomerID = RT_CID_DLINK;
2615                 break;
2616
2617         default:
2618                 priv->CustomerID = RT_CID_DEFAULT;
2619                 break;
2620         }
2621
2622         switch (priv->CustomerID) {
2623         case RT_CID_819x_RUNTOP:
2624                 priv->LedStrategy = SW_LED_MODE2;
2625                 break;
2626
2627         case RT_CID_DLINK:
2628                 priv->LedStrategy = SW_LED_MODE4;
2629                 break;
2630
2631         default:
2632                 priv->LedStrategy = SW_LED_MODE0;
2633                 break;
2634         }
2635
2636
2637         if (priv->rf_type == RF_1T2R)
2638                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2639         else
2640                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2641
2642         /* We can only know RF type in the function. So we have to init
2643          * DIG RATR table again.
2644          */
2645         init_rate_adaptive(dev);
2646
2647         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2648
2649         return 0;
2650 }
2651
2652 static short rtl8192_get_channel_map(struct net_device *dev)
2653 {
2654         struct r8192_priv *priv = ieee80211_priv(dev);
2655
2656         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2657                 netdev_err(dev,
2658                            "rtl8180_init: Error channel plan! Set to default.\n");
2659                 priv->ChannelPlan = 0;
2660         }
2661         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2662
2663         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2664         return 0;
2665 }
2666
2667 static short rtl8192_init(struct net_device *dev)
2668 {
2669         struct r8192_priv *priv = ieee80211_priv(dev);
2670         int err;
2671
2672         memset(&(priv->stats), 0, sizeof(struct Stats));
2673         memset(priv->txqueue_to_outpipemap, 0, 9);
2674 #ifdef PIPE12
2675         {
2676                 int i = 0;
2677                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2678
2679                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2680         }
2681 #else
2682         {
2683                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2684
2685                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2686         }
2687 #endif
2688         rtl8192_init_priv_variable(dev);
2689         rtl8192_init_priv_lock(priv);
2690         rtl8192_init_priv_task(dev);
2691         rtl8192_get_eeprom_size(dev);
2692         err = rtl8192_read_eeprom_info(dev);
2693         if (err) {
2694                 DMESG("Reading EEPROM info failed");
2695                 kfree(priv->pFirmware);
2696                 priv->pFirmware = NULL;
2697                 free_ieee80211(dev);
2698                 return err;
2699         }
2700         rtl8192_get_channel_map(dev);
2701         init_hal_dm(dev);
2702         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2703                     (unsigned long)dev);
2704         if (rtl8192_usb_initendpoints(dev) != 0) {
2705                 DMESG("Endopoints initialization failed");
2706                 return -ENOMEM;
2707         }
2708
2709         return 0;
2710 }
2711
2712 /******************************************************************************
2713  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2714  *           not to do all the hw config as its name says
2715  *   input:  net_device dev
2716  *  output:  none
2717  *  return:  none
2718  *  notice:  This part need to modified according to the rate set we filtered
2719  * ****************************************************************************/
2720 static void rtl8192_hwconfig(struct net_device *dev)
2721 {
2722         u32 regRATR = 0, regRRSR = 0;
2723         u8 regBwOpMode = 0, regTmp = 0;
2724         struct r8192_priv *priv = ieee80211_priv(dev);
2725         u32 ratr_value = 0;
2726
2727         /* Set RRSR, RATR, and BW_OPMODE registers */
2728         switch (priv->ieee80211->mode) {
2729         case WIRELESS_MODE_B:
2730                 regBwOpMode = BW_OPMODE_20MHZ;
2731                 regRATR = RATE_ALL_CCK;
2732                 regRRSR = RATE_ALL_CCK;
2733                 break;
2734         case WIRELESS_MODE_A:
2735                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2736                 regRATR = RATE_ALL_OFDM_AG;
2737                 regRRSR = RATE_ALL_OFDM_AG;
2738                 break;
2739         case WIRELESS_MODE_G:
2740                 regBwOpMode = BW_OPMODE_20MHZ;
2741                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2742                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2743                 break;
2744         case WIRELESS_MODE_AUTO:
2745 #ifdef TO_DO_LIST
2746                 if (Adapter->bInHctTest) {
2747                         regBwOpMode = BW_OPMODE_20MHZ;
2748                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2749                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2750                 } else
2751 #endif
2752                 {
2753                         regBwOpMode = BW_OPMODE_20MHZ;
2754                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2755                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2756                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2757                 }
2758                 break;
2759         case WIRELESS_MODE_N_24G:
2760                 /* It support CCK rate by default. CCK rate will be filtered
2761                  * out only when associated AP does not support it.
2762                  */
2763                 regBwOpMode = BW_OPMODE_20MHZ;
2764                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2765                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2766                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2767                 break;
2768         case WIRELESS_MODE_N_5G:
2769                 regBwOpMode = BW_OPMODE_5G;
2770                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2771                           RATE_ALL_OFDM_2SS;
2772                 regRRSR = RATE_ALL_OFDM_AG;
2773                 break;
2774         }
2775
2776         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2777         ratr_value = regRATR;
2778         if (priv->rf_type == RF_1T2R)
2779                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2780         write_nic_dword(dev, RATR0, ratr_value);
2781         write_nic_byte(dev, UFWP, 1);
2782         read_nic_byte(dev, 0x313, &regTmp);
2783         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2784         write_nic_dword(dev, RRSR, regRRSR);
2785
2786         /* Set Retry Limit here */
2787         write_nic_word(dev, RETRY_LIMIT,
2788                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2789                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2790         /* Set Contention Window here */
2791
2792         /* Set Tx AGC */
2793
2794         /* Set Tx Antenna including Feedback control */
2795
2796         /* Set Auto Rate fallback control */
2797 }
2798
2799
2800 /* InitializeAdapter and PhyCfg */
2801 static bool rtl8192_adapter_start(struct net_device *dev)
2802 {
2803         struct r8192_priv *priv = ieee80211_priv(dev);
2804         u32 dwRegRead = 0;
2805         bool init_status = true;
2806         u8 SECR_value = 0x0;
2807         u8 tmp;
2808
2809         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2810         priv->Rf_Mode = RF_OP_By_SW_3wire;
2811         /* for ASIC power on sequence */
2812         write_nic_byte_E(dev, 0x5f, 0x80);
2813         mdelay(50);
2814         write_nic_byte_E(dev, 0x5f, 0xf0);
2815         write_nic_byte_E(dev, 0x5d, 0x00);
2816         write_nic_byte_E(dev, 0x5e, 0x80);
2817         write_nic_byte(dev, 0x17, 0x37);
2818         mdelay(10);
2819         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2820         /* config CPUReset Register */
2821         /* Firmware Reset or not? */
2822         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2823         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2824                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2825         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2826                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2827         else
2828                 RT_TRACE(COMP_ERR,
2829                          "ERROR in %s(): undefined firmware state(%d)\n",
2830                          __func__,   priv->pFirmware->firmware_status);
2831
2832         write_nic_dword(dev, CPU_GEN, dwRegRead);
2833         /* config BB. */
2834         rtl8192_BBConfig(dev);
2835
2836         /* Loopback mode or not */
2837         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2838
2839         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2840         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2841                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2842                             CPU_GEN_NO_LOOPBACK_SET;
2843         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2844                 dwRegRead |= CPU_CCK_LOOPBACK;
2845         else
2846                 RT_TRACE(COMP_ERR,
2847                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2848                          __func__,  priv->LoopbackMode);
2849
2850         write_nic_dword(dev, CPU_GEN, dwRegRead);
2851
2852         /* after reset cpu, we need wait for a seconds to write in register. */
2853         udelay(500);
2854
2855         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2856         read_nic_byte_E(dev, 0x5f, &tmp);
2857         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2858
2859         /* Set Hardware */
2860         rtl8192_hwconfig(dev);
2861
2862         /* turn on Tx/Rx */
2863         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2864
2865         /* set IDR0 here */
2866         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2867         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2868
2869         /* set RCR */
2870         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2871
2872         /* Initialize Number of Reserved Pages in Firmware Queue */
2873         write_nic_dword(dev, RQPN1,
2874                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2875                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2876                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2877                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2878         write_nic_dword(dev, RQPN2,
2879                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2880                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2881         write_nic_dword(dev, RQPN3,
2882                 APPLIED_RESERVED_QUEUE_IN_FW |
2883                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2884         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2885
2886         /* Set AckTimeout */
2887         /* TODO: (it value is only for FPGA version). need to be changed!! */
2888         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2889
2890         if (priv->ResetProgress == RESET_TYPE_NORESET)
2891                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2892         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2893                 CamResetAllEntry(dev);
2894                 SECR_value |= SCR_TxEncEnable;
2895                 SECR_value |= SCR_RxDecEnable;
2896                 SECR_value |= SCR_NoSKMC;
2897                 write_nic_byte(dev, SECR, SECR_value);
2898         }
2899
2900         /* Beacon related */
2901         write_nic_word(dev, ATIMWND, 2);
2902         write_nic_word(dev, BCN_INTERVAL, 100);
2903
2904 #define DEFAULT_EDCA 0x005e4332
2905         {
2906                 int i;
2907
2908                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2909                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2910         }
2911
2912         rtl8192_phy_configmac(dev);
2913
2914         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2915                 rtl8192_phy_getTxPower(dev);
2916                 rtl8192_phy_setTxPower(dev, priv->chan);
2917         }
2918
2919         /* Firmware download */
2920         init_status = init_firmware(dev);
2921         if (!init_status) {
2922                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2923                          __func__);
2924                 return init_status;
2925         }
2926         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2927
2928 #ifdef TO_DO_LIST
2929         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2930                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2931                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2932                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2933                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2934                         /* Those actions will be discard in MgntActSet_RF_State
2935                          * because of the same state
2936                          */
2937                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2938                                 PHY_SetRFReg(Adapter,
2939                                              (RF90_RADIO_PATH_E)eRFPath,
2940                                              0x4, 0xC00, 0x0);
2941                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2942                         /* H/W or S/W RF OFF before sleep. */
2943                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2944                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2945                                   pMgntInfo->RfOffReason));
2946                         MgntActSet_RF_State(Adapter,
2947                                             eRfOff,
2948                                             pMgntInfo->RfOffReason);
2949                 } else {
2950                         pHalData->eRFPowerState = eRfOn;
2951                         pMgntInfo->RfOffReason = 0;
2952                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2953                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2954                 }
2955         } else {
2956                 if (pHalData->eRFPowerState == eRfOff) {
2957                         MgntActSet_RF_State(Adapter,
2958                                             eRfOff,
2959                                             pMgntInfo->RfOffReason);
2960                         /* Those actions will be discard in MgntActSet_RF_State
2961                          * because of the same state
2962                          */
2963                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2964                                 PHY_SetRFReg(Adapter,
2965                                              (RF90_RADIO_PATH_E)eRFPath,
2966                                              0x4, 0xC00, 0x0);
2967                 }
2968         }
2969 #endif
2970         /* config RF. */
2971         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2972                 rtl8192_phy_RFConfig(dev);
2973                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2974         }
2975
2976
2977         if (priv->ieee80211->FwRWRF)
2978                 /* We can force firmware to do RF-R/W */
2979                 priv->Rf_Mode = RF_OP_By_FW;
2980         else
2981                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2982
2983
2984         rtl8192_phy_updateInitGain(dev);
2985         /*--set CCK and OFDM Block "ON"--*/
2986         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2987         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2988
2989         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2990                 /* if D or C cut */
2991                 u8 tmpvalue;
2992
2993                 read_nic_byte(dev, 0x301, &tmpvalue);
2994                 if (tmpvalue == 0x03) {
2995                         priv->bDcut = true;
2996                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2997                 } else {
2998                         priv->bDcut = false;
2999                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3000                 }
3001                 dm_initialize_txpower_tracking(dev);
3002
3003                 if (priv->bDcut) {
3004                         u32 i, TempCCk;
3005                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3006                                                          rOFDM0_XATxIQImbalance,
3007                                                          bMaskDWord);
3008
3009                         for (i = 0; i < TxBBGainTableLength; i++) {
3010                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3011                                         priv->rfa_txpowertrackingindex = (u8)i;
3012                                         priv->rfa_txpowertrackingindex_real =
3013                                                 (u8)i;
3014                                         priv->rfa_txpowertracking_default =
3015                                                 priv->rfa_txpowertrackingindex;
3016                                         break;
3017                                 }
3018                         }
3019
3020                         TempCCk = rtl8192_QueryBBReg(dev,
3021                                                      rCCK0_TxFilter1,
3022                                                      bMaskByte2);
3023
3024                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3025                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3026                                         priv->cck_present_attenuation_20Mdefault = (u8)i;
3027                                         break;
3028                                 }
3029                         }
3030                         priv->cck_present_attenuation_40Mdefault = 0;
3031                         priv->cck_present_attenuation_difference = 0;
3032                         priv->cck_present_attenuation =
3033                                 priv->cck_present_attenuation_20Mdefault;
3034                 }
3035         }
3036         write_nic_byte(dev, 0x87, 0x0);
3037
3038
3039         return init_status;
3040 }
3041
3042 /* this configures registers for beacon tx and enables it via
3043  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3044  * be used to stop beacon transmission
3045  */
3046 /***************************************************************************
3047  *   -------------------------------NET STUFF---------------------------
3048  ***************************************************************************/
3049
3050 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3051 {
3052         struct r8192_priv *priv = ieee80211_priv(dev);
3053
3054         return &priv->ieee80211->stats;
3055 }
3056
3057 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3058 {
3059         struct r8192_priv *priv = ieee80211_priv(dev);
3060         u16             RegTxCounter;
3061         bool            bStuck = false;
3062
3063         read_nic_word(dev, 0x128, &RegTxCounter);
3064         RT_TRACE(COMP_RESET,
3065                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3066                  RegTxCounter, priv->TxCounter);
3067         if (priv->TxCounter == RegTxCounter)
3068                 bStuck = true;
3069
3070         priv->TxCounter = RegTxCounter;
3071
3072         return bStuck;
3073 }
3074
3075 /*
3076  *      <Assumption: RT_TX_SPINLOCK is acquired.>
3077  *      First added: 2006.11.19 by emily
3078  */
3079 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3080 {
3081         struct r8192_priv *priv = ieee80211_priv(dev);
3082         u8                      QueueID;
3083         bool                    bCheckFwTxCnt = false;
3084
3085         /* Decide such threshold according to current power save mode */
3086
3087         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3088                 if (QueueID == TXCMD_QUEUE)
3089                         continue;
3090                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3091                         continue;
3092
3093                 bCheckFwTxCnt = true;
3094         }
3095         if (bCheckFwTxCnt) {
3096                 if (HalTxCheckStuck819xUsb(dev)) {
3097                         RT_TRACE(COMP_RESET,
3098                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3099                         return RESET_TYPE_SILENT;
3100                 }
3101         }
3102         return RESET_TYPE_NORESET;
3103 }
3104
3105 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3106 {
3107         u16     RegRxCounter;
3108         struct r8192_priv *priv = ieee80211_priv(dev);
3109         bool bStuck = false;
3110         static u8       rx_chk_cnt;
3111
3112         read_nic_word(dev, 0x130, &RegRxCounter);
3113         RT_TRACE(COMP_RESET,
3114                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3115                  RegRxCounter, priv->RxCounter);
3116         /* If rssi is small, we should check rx for long time because of bad rx.
3117          * or maybe it will continuous silent reset every 2 seconds.
3118          */
3119         rx_chk_cnt++;
3120         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3121                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3122         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3123                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3124                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3125                 if (rx_chk_cnt < 2)
3126                         return bStuck;
3127
3128                 rx_chk_cnt = 0;
3129         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3130                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3131                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3132                 if (rx_chk_cnt < 4)
3133                         return bStuck;
3134
3135                 rx_chk_cnt = 0;
3136         } else {
3137                 if (rx_chk_cnt < 8)
3138                         return bStuck;
3139
3140                 rx_chk_cnt = 0;
3141         }
3142
3143         if (priv->RxCounter == RegRxCounter)
3144                 bStuck = true;
3145
3146         priv->RxCounter = RegRxCounter;
3147
3148         return bStuck;
3149 }
3150
3151 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3152 {
3153         struct r8192_priv *priv = ieee80211_priv(dev);
3154         bool        bRxCheck = false;
3155
3156         if (priv->IrpPendingCount > 1)
3157                 bRxCheck = true;
3158
3159         if (bRxCheck) {
3160                 if (HalRxCheckStuck819xUsb(dev)) {
3161                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3162                         return RESET_TYPE_SILENT;
3163                 }
3164         }
3165         return RESET_TYPE_NORESET;
3166 }
3167
3168
3169 /**
3170  * This function is called by Checkforhang to check whether we should
3171  * ask OS to reset driver
3172  *
3173  * \param pAdapter      The adapter context for this miniport
3174  *
3175  * Note:NIC with USB interface sholud not call this function because we
3176  * cannot scan descriptor to judge whether there is tx stuck.
3177  * Note: This function may be required to be rewrite for Vista OS.
3178  * <<<Assumption: Tx spinlock has been acquired >>>
3179  *
3180  * 8185 and 8185b does not implement this function.
3181  */
3182 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3183 {
3184         struct r8192_priv *priv = ieee80211_priv(dev);
3185         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3186         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3187         RT_RF_POWER_STATE       rfState;
3188
3189         rfState = priv->ieee80211->eRFPowerState;
3190
3191         TxResetType = TxCheckStuck(dev);
3192         if (rfState != eRfOff ||
3193             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3194                 /* If driver is in the status of firmware download failure,
3195                  * driver skips RF initialization and RF is in turned off
3196                  * state. Driver should check whether Rx stuck and do silent
3197                  * reset. And if driver is in firmware download failure status,
3198                  * driver should initialize RF in the following silent reset
3199                  * procedure
3200                  *
3201                  * Driver should not check RX stuck in IBSS mode because it is
3202                  * required to set Check BSSID in order to send beacon,
3203                  * however, if check BSSID is set, STA cannot hear any packet
3204                  * at all.
3205                  */
3206                 RxResetType = RxCheckStuck(dev);
3207         }
3208         if (TxResetType == RESET_TYPE_NORMAL ||
3209             RxResetType == RESET_TYPE_NORMAL) {
3210                 return RESET_TYPE_NORMAL;
3211         } else if (TxResetType == RESET_TYPE_SILENT ||
3212                    RxResetType == RESET_TYPE_SILENT) {
3213                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3214                 return RESET_TYPE_SILENT;
3215         } else {
3216                 return RESET_TYPE_NORESET;
3217         }
3218 }
3219
3220 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3221 static int _rtl8192_up(struct net_device *dev);
3222 static int rtl8192_close(struct net_device *dev);
3223
3224
3225
3226 static void CamRestoreAllEntry(struct net_device *dev)
3227 {
3228         u8 EntryId = 0;
3229         struct r8192_priv *priv = ieee80211_priv(dev);
3230         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3231
3232         static u8       CAM_CONST_ADDR[4][6] = {
3233                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3234                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3235                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3236                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3237         static u8       CAM_CONST_BROAD[] = {
3238                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3239
3240         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3241
3242
3243         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3244             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3245                 for (EntryId = 0; EntryId < 4; EntryId++) {
3246                         MacAddr = CAM_CONST_ADDR[EntryId];
3247                         setKey(dev, EntryId, EntryId,
3248                                priv->ieee80211->pairwise_key_type,
3249                                MacAddr, 0, NULL);
3250                 }
3251
3252         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3253                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3254                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3255                                (u8 *)dev->dev_addr, 0, NULL);
3256                 else
3257                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3258                                MacAddr, 0, NULL);
3259         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3260                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3261                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3262                                (u8 *)dev->dev_addr, 0, NULL);
3263                 else
3264                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3265                                MacAddr, 0, NULL);
3266         }
3267
3268
3269
3270         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3271                 MacAddr = CAM_CONST_BROAD;
3272                 for (EntryId = 1; EntryId < 4; EntryId++) {
3273                         setKey(dev, EntryId, EntryId,
3274                                priv->ieee80211->group_key_type,
3275                                MacAddr, 0, NULL);
3276                 }
3277                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3278                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3279                                CAM_CONST_ADDR[0], 0, NULL);
3280         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3281                 MacAddr = CAM_CONST_BROAD;
3282                 for (EntryId = 1; EntryId < 4; EntryId++) {
3283                         setKey(dev, EntryId, EntryId,
3284                                priv->ieee80211->group_key_type,
3285                                MacAddr, 0, NULL);
3286                 }
3287
3288                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3289                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3290                                CAM_CONST_ADDR[0], 0, NULL);
3291         }
3292 }
3293
3294 /* This function is used to fix Tx/Rx stop bug temporarily.
3295  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3296  * The method checking Tx/Rx stuck of this function is supported by FW,
3297  * which reports Tx and Rx counter to register 0x128 and 0x130.
3298  */
3299 static void rtl819x_ifsilentreset(struct net_device *dev)
3300 {
3301         struct r8192_priv *priv = ieee80211_priv(dev);
3302         u8      reset_times = 0;
3303         int reset_status = 0;
3304         struct ieee80211_device *ieee = priv->ieee80211;
3305
3306
3307         /* If we need to check CCK stop, please uncomment this line. */
3308         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3309
3310         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3311 RESET_START:
3312
3313                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3314
3315                 /* Set the variable for reset. */
3316                 priv->ResetProgress = RESET_TYPE_SILENT;
3317                 mutex_lock(&priv->wx_mutex);
3318                 if (priv->up == 0) {
3319                         RT_TRACE(COMP_ERR,
3320                                  "%s():the driver is not up! return\n",
3321                                  __func__);
3322                         mutex_unlock(&priv->wx_mutex);
3323                         return;
3324                 }
3325                 priv->up = 0;
3326                 RT_TRACE(COMP_RESET,
3327                          "%s():======>start to down the driver\n",
3328                          __func__);
3329
3330                 rtl8192_rtx_disable(dev);
3331                 rtl8192_cancel_deferred_work(priv);
3332                 deinit_hal_dm(dev);
3333                 del_timer_sync(&priv->watch_dog_timer);
3334
3335                 ieee->sync_scan_hurryup = 1;
3336                 if (ieee->state == IEEE80211_LINKED) {
3337                         mutex_lock(&ieee->wx_mutex);
3338                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3339                         ieee80211_stop_send_beacons(priv->ieee80211);
3340                         del_timer_sync(&ieee->associate_timer);
3341                         cancel_delayed_work(&ieee->associate_retry_wq);
3342                         ieee80211_stop_scan(ieee);
3343                         netif_carrier_off(dev);
3344                         mutex_unlock(&ieee->wx_mutex);
3345                 } else {
3346                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3347                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3348                 }
3349                 mutex_unlock(&priv->wx_mutex);
3350                 RT_TRACE(COMP_RESET,
3351                          "%s():<==========down process is finished\n",
3352                          __func__);
3353                 RT_TRACE(COMP_RESET,
3354                          "%s():===========>start up the driver\n",
3355                          __func__);
3356                 reset_status = _rtl8192_up(dev);
3357
3358                 RT_TRACE(COMP_RESET,
3359                          "%s():<===========up process is finished\n",
3360                          __func__);
3361                 if (reset_status == -EAGAIN) {
3362                         if (reset_times < 3) {
3363                                 reset_times++;
3364                                 goto RESET_START;
3365                         } else {
3366                                 RT_TRACE(COMP_ERR,
3367                                          " ERR!!! %s():  Reset Failed!!\n",
3368                                          __func__);
3369                         }
3370                 }
3371                 ieee->is_silent_reset = 1;
3372                 EnableHWSecurityConfig8192(dev);
3373                 if (ieee->state == IEEE80211_LINKED &&
3374                     ieee->iw_mode == IW_MODE_INFRA) {
3375                         ieee->set_chan(ieee->dev,
3376                                        ieee->current_network.channel);
3377
3378                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3379
3380                 } else if (ieee->state == IEEE80211_LINKED &&
3381                            ieee->iw_mode == IW_MODE_ADHOC) {
3382                         ieee->set_chan(ieee->dev,
3383                                        ieee->current_network.channel);
3384                         ieee->link_change(ieee->dev);
3385
3386                         ieee80211_start_send_beacons(ieee);
3387
3388                         if (ieee->data_hard_resume)
3389                                 ieee->data_hard_resume(ieee->dev);
3390                         netif_carrier_on(ieee->dev);
3391                 }
3392
3393                 CamRestoreAllEntry(dev);
3394
3395                 priv->ResetProgress = RESET_TYPE_NORESET;
3396                 priv->reset_count++;
3397
3398                 priv->bForcedSilentReset = false;
3399                 priv->bResetInProgress = false;
3400
3401                 /* For test --> force write UFWP. */
3402                 write_nic_byte(dev, UFWP, 1);
3403                 RT_TRACE(COMP_RESET,
3404                          "Reset finished!! ====>[%d]\n",
3405                          priv->reset_count);
3406         }
3407 }
3408
3409 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3410                              u32 *TotalRxDataNum)
3411 {
3412         u16                     SlotIndex;
3413         u8                      i;
3414
3415         *TotalRxBcnNum = 0;
3416         *TotalRxDataNum = 0;
3417
3418         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3419                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3420         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3421                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3422         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3423                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3424         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3425                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3426                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3427         }
3428 }
3429
3430
3431 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3432 {
3433         struct delayed_work *dwork = to_delayed_work(work);
3434         struct r8192_priv *priv = container_of(dwork,
3435                                                struct r8192_priv, watch_dog_wq);
3436         struct net_device *dev = priv->ieee80211->dev;
3437         struct ieee80211_device *ieee = priv->ieee80211;
3438         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3439         static u8       check_reset_cnt;
3440         bool bBusyTraffic = false;
3441         u32     TotalRxBcnNum = 0;
3442         u32     TotalRxDataNum = 0;
3443
3444         if (!priv->up)
3445                 return;
3446         hal_dm_watchdog(dev);
3447
3448         /* to get busy traffic condition */
3449         if (ieee->state == IEEE80211_LINKED) {
3450                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3451                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3452                         bBusyTraffic = true;
3453                 }
3454                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3455                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3456                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3457         }
3458         /* for AP roaming */
3459         if (priv->ieee80211->state == IEEE80211_LINKED &&
3460             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3461                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3462                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3463 #ifdef TODO
3464                         if (rfState == eRfOff)
3465                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3466 #endif
3467                         netdev_dbg(dev,
3468                                    "===>%s(): AP is power off, connect another one\n",
3469                                    __func__);
3470                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3471                         notify_wx_assoc_event(priv->ieee80211);
3472                         RemovePeerTS(priv->ieee80211,
3473                                      priv->ieee80211->current_network.bssid);
3474                         priv->ieee80211->link_change(dev);
3475                         queue_work(priv->ieee80211->wq,
3476                                    &priv->ieee80211->associate_procedure_wq);
3477                 }
3478         }
3479         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3480         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3481         /* check if reset the driver */
3482         if (check_reset_cnt++ >= 3) {
3483                 ResetType = rtl819x_ifcheck_resetornot(dev);
3484                 check_reset_cnt = 3;
3485         }
3486         /* This is control by OID set in Pomelo */
3487         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3488             (priv->bForcedSilentReset ||
3489             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3490                 RT_TRACE(COMP_RESET,
3491                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3492                          __func__, priv->force_reset, priv->ResetProgress,
3493                          priv->bForcedSilentReset,
3494                          priv->bDisableNormalResetCheck, ResetType);
3495                 rtl819x_ifsilentreset(dev);
3496         }
3497         priv->force_reset = false;
3498         priv->bForcedSilentReset = false;
3499         priv->bResetInProgress = false;
3500         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3501 }
3502
3503 static void watch_dog_timer_callback(unsigned long data)
3504 {
3505         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3506
3507         schedule_delayed_work(&priv->watch_dog_wq, 0);
3508         mod_timer(&priv->watch_dog_timer,
3509                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3510 }
3511
3512 static int _rtl8192_up(struct net_device *dev)
3513 {
3514         struct r8192_priv *priv = ieee80211_priv(dev);
3515         int init_status = 0;
3516
3517         priv->up = 1;
3518         priv->ieee80211->ieee_up = 1;
3519         RT_TRACE(COMP_INIT, "Bringing up iface");
3520         init_status = rtl8192_adapter_start(dev);
3521         if (!init_status) {
3522                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3523                          __func__);
3524                 priv->up = priv->ieee80211->ieee_up = 0;
3525                 return -EAGAIN;
3526         }
3527         RT_TRACE(COMP_INIT, "start adapter finished\n");
3528         rtl8192_rx_enable(dev);
3529         if (priv->ieee80211->state != IEEE80211_LINKED)
3530                 ieee80211_softmac_start_protocol(priv->ieee80211);
3531         ieee80211_reset_queue(priv->ieee80211);
3532         watch_dog_timer_callback((unsigned long)dev);
3533         if (!netif_queue_stopped(dev))
3534                 netif_start_queue(dev);
3535         else
3536                 netif_wake_queue(dev);
3537
3538         return 0;
3539 }
3540
3541
3542 static int rtl8192_open(struct net_device *dev)
3543 {
3544         struct r8192_priv *priv = ieee80211_priv(dev);
3545         int ret;
3546
3547         mutex_lock(&priv->wx_mutex);
3548         ret = rtl8192_up(dev);
3549         mutex_unlock(&priv->wx_mutex);
3550         return ret;
3551 }
3552
3553
3554 int rtl8192_up(struct net_device *dev)
3555 {
3556         struct r8192_priv *priv = ieee80211_priv(dev);
3557
3558         if (priv->up == 1)
3559                 return -1;
3560
3561         return _rtl8192_up(dev);
3562 }
3563
3564
3565 static int rtl8192_close(struct net_device *dev)
3566 {
3567         struct r8192_priv *priv = ieee80211_priv(dev);
3568         int ret;
3569
3570         mutex_lock(&priv->wx_mutex);
3571
3572         ret = rtl8192_down(dev);
3573
3574         mutex_unlock(&priv->wx_mutex);
3575
3576         return ret;
3577 }
3578
3579 int rtl8192_down(struct net_device *dev)
3580 {
3581         struct r8192_priv *priv = ieee80211_priv(dev);
3582         int i;
3583
3584         if (priv->up == 0)
3585                 return -1;
3586
3587         priv->up = 0;
3588         priv->ieee80211->ieee_up = 0;
3589         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3590         /* FIXME */
3591         if (!netif_queue_stopped(dev))
3592                 netif_stop_queue(dev);
3593
3594         rtl8192_rtx_disable(dev);
3595
3596         /* Tx related queue release */
3597         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3598                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3599         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3600                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3601
3602         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3603                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3604
3605         /* as cancel_delayed_work will del work->timer, so if work is not
3606          * defined as struct delayed_work, it will corrupt
3607          */
3608         rtl8192_cancel_deferred_work(priv);
3609         deinit_hal_dm(dev);
3610         del_timer_sync(&priv->watch_dog_timer);
3611
3612
3613         ieee80211_softmac_stop_protocol(priv->ieee80211);
3614         memset(&priv->ieee80211->current_network, 0,
3615                offsetof(struct ieee80211_network, list));
3616         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3617
3618         return 0;
3619 }
3620
3621
3622 void rtl8192_commit(struct net_device *dev)
3623 {
3624         struct r8192_priv *priv = ieee80211_priv(dev);
3625         int reset_status = 0;
3626
3627         if (priv->up == 0)
3628                 return;
3629         priv->up = 0;
3630
3631         rtl8192_cancel_deferred_work(priv);
3632         del_timer_sync(&priv->watch_dog_timer);
3633
3634         ieee80211_softmac_stop_protocol(priv->ieee80211);
3635
3636         rtl8192_rtx_disable(dev);
3637         reset_status = _rtl8192_up(dev);
3638 }
3639
3640 static void rtl8192_restart(struct work_struct *work)
3641 {
3642         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3643                                                reset_wq);
3644         struct net_device *dev = priv->ieee80211->dev;
3645
3646         mutex_lock(&priv->wx_mutex);
3647
3648         rtl8192_commit(dev);
3649
3650         mutex_unlock(&priv->wx_mutex);
3651 }
3652
3653 static void r8192_set_multicast(struct net_device *dev)
3654 {
3655         struct r8192_priv *priv = ieee80211_priv(dev);
3656         short promisc;
3657
3658         /* FIXME FIXME */
3659
3660         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3661
3662         if (promisc != priv->promisc)
3663
3664                 priv->promisc = promisc;
3665 }
3666
3667
3668 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3669 {
3670         struct r8192_priv *priv = ieee80211_priv(dev);
3671         struct sockaddr *addr = mac;
3672
3673         mutex_lock(&priv->wx_mutex);
3674
3675         ether_addr_copy(dev->dev_addr, addr->sa_data);
3676
3677         schedule_work(&priv->reset_wq);
3678         mutex_unlock(&priv->wx_mutex);
3679
3680         return 0;
3681 }
3682
3683 /* based on ipw2200 driver */
3684 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3685 {
3686         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3687         struct iwreq *wrq = (struct iwreq *)rq;
3688         int ret = -1;
3689         struct ieee80211_device *ieee = priv->ieee80211;
3690         u32 key[4];
3691         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3692         struct iw_point *p = &wrq->u.data;
3693         struct ieee_param *ipw = NULL;
3694
3695         mutex_lock(&priv->wx_mutex);
3696
3697
3698         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3699                 ret = -EINVAL;
3700                 goto out;
3701         }
3702
3703         ipw = memdup_user(p->pointer, p->length);
3704         if (IS_ERR(ipw)) {
3705                 ret = PTR_ERR(ipw);
3706                 goto out;
3707         }
3708
3709         switch (cmd) {
3710         case RTL_IOCTL_WPA_SUPPLICANT:
3711                 /* parse here for HW security */
3712                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3713                         if (ipw->u.crypt.set_tx) {
3714                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3715                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3716                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3717                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3718                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3719                                         if (ipw->u.crypt.key_len == 13)
3720                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3721                                         else if (ipw->u.crypt.key_len == 5)
3722                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3723                                 } else {
3724                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3725                                 }
3726
3727                                 if (ieee->pairwise_key_type) {
3728                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3729                                         EnableHWSecurityConfig8192(dev);
3730                                         /* We fill both index entry and 4th
3731                                          * entry for pairwise key as in IPW
3732                                          * interface, adhoc will only get here,
3733                                          * so we need index entry for its
3734                                          * default key serching!
3735                                          */
3736                                         setKey(dev, 4, ipw->u.crypt.idx,
3737                                                ieee->pairwise_key_type,
3738                                                (u8 *)ieee->ap_mac_addr,
3739                                                0, key);
3740                                         if (ieee->auth_mode != 2)
3741                                                 setKey(dev, ipw->u.crypt.idx,
3742                                                        ipw->u.crypt.idx,
3743                                                        ieee->pairwise_key_type,
3744                                                        (u8 *)ieee->ap_mac_addr,
3745                                                        0, key);
3746                                 }
3747                         } else {
3748                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3749                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3750                                         ieee->group_key_type = KEY_TYPE_CCMP;
3751                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3752                                         ieee->group_key_type = KEY_TYPE_TKIP;
3753                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3754                                         if (ipw->u.crypt.key_len == 13)
3755                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3756                                         else if (ipw->u.crypt.key_len == 5)
3757                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3758                                 } else {
3759                                         ieee->group_key_type = KEY_TYPE_NA;
3760                                 }
3761
3762                                 if (ieee->group_key_type) {
3763                                         setKey(dev, ipw->u.crypt.idx,
3764                                                /* KeyIndex */
3765                                                ipw->u.crypt.idx,
3766                                                /* KeyType */
3767                                                ieee->group_key_type,
3768                                                /* MacAddr */
3769                                                broadcast_addr,
3770                                                /* DefaultKey */
3771                                                0,
3772                                                /* KeyContent */
3773                                                key);
3774                                 }
3775                         }
3776                 }
3777                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3778                                                      &wrq->u.data);
3779                 break;
3780
3781         default:
3782                 ret = -EOPNOTSUPP;
3783                 break;
3784         }
3785         kfree(ipw);
3786         ipw = NULL;
3787 out:
3788         mutex_unlock(&priv->wx_mutex);
3789         return ret;
3790 }
3791
3792 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3793 {
3794         u8  ret_rate = 0xff;
3795
3796         if (!bIsHT) {
3797                 switch (rate) {
3798                 case DESC90_RATE1M:
3799                         ret_rate = MGN_1M;
3800                         break;
3801                 case DESC90_RATE2M:
3802                         ret_rate = MGN_2M;
3803                         break;
3804                 case DESC90_RATE5_5M:
3805                         ret_rate = MGN_5_5M;
3806                         break;
3807                 case DESC90_RATE11M:
3808                         ret_rate = MGN_11M;
3809                         break;
3810                 case DESC90_RATE6M:
3811                         ret_rate = MGN_6M;
3812                         break;
3813                 case DESC90_RATE9M:
3814                         ret_rate = MGN_9M;
3815                         break;
3816                 case DESC90_RATE12M:
3817                         ret_rate = MGN_12M;
3818                         break;
3819                 case DESC90_RATE18M:
3820                         ret_rate = MGN_18M;
3821                         break;
3822                 case DESC90_RATE24M:
3823                         ret_rate = MGN_24M;
3824                         break;
3825                 case DESC90_RATE36M:
3826                         ret_rate = MGN_36M;
3827                         break;
3828                 case DESC90_RATE48M:
3829                         ret_rate = MGN_48M;
3830                         break;
3831                 case DESC90_RATE54M:
3832                         ret_rate = MGN_54M;
3833                         break;
3834
3835                 default:
3836                         ret_rate = 0xff;
3837                         RT_TRACE(COMP_RECV,
3838                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3839                                  rate, bIsHT);
3840                         break;
3841                 }
3842
3843         } else {
3844                 switch (rate) {
3845                 case DESC90_RATEMCS0:
3846                         ret_rate = MGN_MCS0;
3847                         break;
3848                 case DESC90_RATEMCS1:
3849                         ret_rate = MGN_MCS1;
3850                         break;
3851                 case DESC90_RATEMCS2:
3852                         ret_rate = MGN_MCS2;
3853                         break;
3854                 case DESC90_RATEMCS3:
3855                         ret_rate = MGN_MCS3;
3856                         break;
3857                 case DESC90_RATEMCS4:
3858                         ret_rate = MGN_MCS4;
3859                         break;
3860                 case DESC90_RATEMCS5:
3861                         ret_rate = MGN_MCS5;
3862                         break;
3863                 case DESC90_RATEMCS6:
3864                         ret_rate = MGN_MCS6;
3865                         break;
3866                 case DESC90_RATEMCS7:
3867                         ret_rate = MGN_MCS7;
3868                         break;
3869                 case DESC90_RATEMCS8:
3870                         ret_rate = MGN_MCS8;
3871                         break;
3872                 case DESC90_RATEMCS9:
3873                         ret_rate = MGN_MCS9;
3874                         break;
3875                 case DESC90_RATEMCS10:
3876                         ret_rate = MGN_MCS10;
3877                         break;
3878                 case DESC90_RATEMCS11:
3879                         ret_rate = MGN_MCS11;
3880                         break;
3881                 case DESC90_RATEMCS12:
3882                         ret_rate = MGN_MCS12;
3883                         break;
3884                 case DESC90_RATEMCS13:
3885                         ret_rate = MGN_MCS13;
3886                         break;
3887                 case DESC90_RATEMCS14:
3888                         ret_rate = MGN_MCS14;
3889                         break;
3890                 case DESC90_RATEMCS15:
3891                         ret_rate = MGN_MCS15;
3892                         break;
3893                 case DESC90_RATEMCS32:
3894                         ret_rate = 0x80 | 0x20;
3895                         break;
3896
3897                 default:
3898                         ret_rate = 0xff;
3899                         RT_TRACE(COMP_RECV,
3900                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3901                                  rate, bIsHT);
3902                         break;
3903                 }
3904         }
3905
3906         return ret_rate;
3907 }
3908
3909 /**
3910  * Function:     UpdateRxPktTimeStamp
3911  * Overview:     Record the TSF time stamp when receiving a packet
3912  *
3913  * Input:
3914  *       PADAPTER        Adapter
3915  *       PRT_RFD         pRfd,
3916  *
3917  * Output:
3918  *       PRT_RFD         pRfd
3919  *                               (pRfd->Status.TimeStampHigh is updated)
3920  *                               (pRfd->Status.TimeStampLow is updated)
3921  * Return:
3922  *               None
3923  */
3924 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3925                                      struct ieee80211_rx_stats *stats)
3926 {
3927         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3928
3929         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3930                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3931                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3932         } else {
3933                 priv->LastRxDescTSFLow = stats->mac_time[0];
3934                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3935         }
3936 }
3937
3938 /* 0-100 index. */
3939 static long rtl819x_translate_todbm(u8 signal_strength_index)
3940 {
3941         long    signal_power; /* in dBm. */
3942
3943         /* Translate to dBm (x=0.5y-95). */
3944         signal_power = (long)((signal_strength_index + 1) >> 1);
3945         signal_power -= 95;
3946
3947         return signal_power;
3948 }
3949
3950
3951 /* We can not declare RSSI/EVM total value of sliding window to
3952  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3953  * value will be kept in memory or disk. Declare the value in the adaptor
3954  * and it will be reinitialized when returned from S3/S4.
3955  */
3956 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3957                                     struct ieee80211_rx_stats *pprevious_stats,
3958                                     struct ieee80211_rx_stats *pcurrent_stats)
3959 {
3960         bool bcheck = false;
3961         u8      rfpath;
3962         u32     nspatial_stream, tmp_val;
3963         static u32 slide_rssi_index, slide_rssi_statistics;
3964         static u32 slide_evm_index, slide_evm_statistics;
3965         static u32 last_rssi, last_evm;
3966
3967         static u32 slide_beacon_adc_pwdb_index;
3968         static u32 slide_beacon_adc_pwdb_statistics;
3969         static u32 last_beacon_adc_pwdb;
3970
3971         struct rtl_80211_hdr_3addr *hdr;
3972         u16 sc;
3973         unsigned int frag, seq;
3974
3975         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3976         sc = le16_to_cpu(hdr->seq_ctl);
3977         frag = WLAN_GET_SEQ_FRAG(sc);
3978         seq = WLAN_GET_SEQ_SEQ(sc);
3979         /* to record the sequence number */
3980         pcurrent_stats->Seq_Num = seq;
3981
3982         /* Check whether we should take the previous packet into accounting */
3983         if (!pprevious_stats->bIsAMPDU) {
3984                 /* if previous packet is not aggregated packet */
3985                 bcheck = true;
3986         }
3987
3988         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3989                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3990                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3991                 priv->stats.slide_rssi_total -= last_rssi;
3992         }
3993         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3994
3995         priv->stats.slide_signal_strength[slide_rssi_index++] =
3996                 pprevious_stats->SignalStrength;
3997         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3998                 slide_rssi_index = 0;
3999
4000         /* <1> Showed on UI for user, in dbm */
4001         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4002         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4003         pcurrent_stats->rssi = priv->stats.signal_strength;
4004
4005         /* If the previous packet does not match the criteria, neglect it */
4006         if (!pprevious_stats->bPacketMatchBSSID) {
4007                 if (!pprevious_stats->bToSelfBA)
4008                         return;
4009         }
4010
4011         if (!bcheck)
4012                 return;
4013
4014
4015         /* only rtl8190 supported
4016          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4017          */
4018
4019         /* Check RSSI */
4020         priv->stats.num_process_phyinfo++;
4021
4022         /* record the general signal strength to the sliding window. */
4023
4024
4025         /* <2> Showed on UI for engineering
4026          * hardware does not provide rssi information for each rf path in CCK
4027          */
4028         if (!pprevious_stats->bIsCCK &&
4029             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4030                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4031                         if (!rtl8192_phy_CheckIsLegalRFPath(
4032                                         priv->ieee80211->dev, rfpath))
4033                                 continue;
4034
4035                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4036                                 priv->stats.rx_rssi_percentage[rfpath] =
4037                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4038                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4039                                 priv->stats.rx_rssi_percentage[rfpath] =
4040                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4041                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4042                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4043                         } else {
4044                                 priv->stats.rx_rssi_percentage[rfpath] =
4045                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4046                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4047                         }
4048                         RT_TRACE(COMP_DBG,
4049                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4050                                  priv->stats.rx_rssi_percentage[rfpath]);
4051                 }
4052         }
4053
4054
4055         /* Check PWDB. */
4056         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4057                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4058                  pprevious_stats->RxPWDBAll);
4059
4060         if (pprevious_stats->bPacketBeacon) {
4061                 /* record the beacon pwdb to the sliding window. */
4062                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4063                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4064                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4065                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4066                 }
4067                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4068                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4069                 slide_beacon_adc_pwdb_index++;
4070                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4071                         slide_beacon_adc_pwdb_index = 0;
4072                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4073                 if (pprevious_stats->RxPWDBAll >= 3)
4074                         pprevious_stats->RxPWDBAll -= 3;
4075         }
4076
4077         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4078                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4079                  pprevious_stats->RxPWDBAll);
4080
4081
4082         if (pprevious_stats->bPacketToSelf ||
4083             pprevious_stats->bPacketBeacon ||
4084             pprevious_stats->bToSelfBA) {
4085                 if (priv->undecorated_smoothed_pwdb < 0)
4086                         /* initialize */
4087                         priv->undecorated_smoothed_pwdb =
4088                                 pprevious_stats->RxPWDBAll;
4089                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4090                         priv->undecorated_smoothed_pwdb =
4091                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4092                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4093                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4094                 } else {
4095                         priv->undecorated_smoothed_pwdb =
4096                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4097                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4098                 }
4099         }
4100
4101         /* Check EVM */
4102         /* record the general EVM to the sliding window. */
4103         if (pprevious_stats->SignalQuality) {
4104                 if (pprevious_stats->bPacketToSelf ||
4105                     pprevious_stats->bPacketBeacon ||
4106                     pprevious_stats->bToSelfBA) {
4107                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4108                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4109                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4110                                 priv->stats.slide_evm_total -= last_evm;
4111                         }
4112
4113                         priv->stats.slide_evm_total +=
4114                                 pprevious_stats->SignalQuality;
4115
4116                         priv->stats.slide_evm[slide_evm_index++] =
4117                                 pprevious_stats->SignalQuality;
4118                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4119                                 slide_evm_index = 0;
4120
4121                         /* <1> Showed on UI for user, in percentage. */
4122                         tmp_val = priv->stats.slide_evm_total /
4123                                   slide_evm_statistics;
4124                         priv->stats.signal_quality = tmp_val;
4125                         /* Showed on UI for user in Windows Vista,
4126                          * for Link quality.
4127                          */
4128                         priv->stats.last_signal_strength_inpercent = tmp_val;
4129                 }
4130
4131                 /* <2> Showed on UI for engineering */
4132                 if (pprevious_stats->bPacketToSelf ||
4133                     pprevious_stats->bPacketBeacon ||
4134                     pprevious_stats->bToSelfBA) {
4135                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4136                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4137                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4138                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4139                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4140                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4141                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4142                                 }
4143                         }
4144                 }
4145         }
4146 }
4147
4148 /*-----------------------------------------------------------------------------
4149  * Function:    rtl819x_query_rxpwrpercentage()
4150  *
4151  * Overview:
4152  *
4153  * Input:               char            antpower
4154  *
4155  * Output:              NONE
4156  *
4157  * Return:              0-100 percentage
4158  *---------------------------------------------------------------------------
4159  */
4160 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4161 {
4162         if ((antpower <= -100) || (antpower >= 20))
4163                 return  0;
4164         else if (antpower >= 0)
4165                 return  100;
4166         else
4167                 return  100 + antpower;
4168
4169 }       /* QueryRxPwrPercentage */
4170
4171 static u8 rtl819x_evm_dbtopercentage(s8 value)
4172 {
4173         s8 ret_val;
4174
4175         ret_val = value;
4176
4177         if (ret_val >= 0)
4178                 ret_val = 0;
4179         if (ret_val <= -33)
4180                 ret_val = -33;
4181         ret_val = 0 - ret_val;
4182         ret_val *= 3;
4183         if (ret_val == 99)
4184                 ret_val = 100;
4185         return ret_val;
4186 }
4187
4188 /* We want good-looking for signal strength/quality */
4189 static long rtl819x_signal_scale_mapping(long currsig)
4190 {
4191         long retsig;
4192
4193         /* Step 1. Scale mapping. */
4194         if (currsig >= 61 && currsig <= 100)
4195                 retsig = 90 + ((currsig - 60) / 4);
4196         else if (currsig >= 41 && currsig <= 60)
4197                 retsig = 78 + ((currsig - 40) / 2);
4198         else if (currsig >= 31 && currsig <= 40)
4199                 retsig = 66 + (currsig - 30);
4200         else if (currsig >= 21 && currsig <= 30)
4201                 retsig = 54 + (currsig - 20);
4202         else if (currsig >= 5 && currsig <= 20)
4203                 retsig = 42 + (((currsig - 5) * 2) / 3);
4204         else if (currsig == 4)
4205                 retsig = 36;
4206         else if (currsig == 3)
4207                 retsig = 27;
4208         else if (currsig == 2)
4209                 retsig = 18;
4210         else if (currsig == 1)
4211                 retsig = 9;
4212         else
4213                 retsig = currsig;
4214
4215         return retsig;
4216 }
4217
4218 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4219 {
4220         if (pdrvinfo->RxHT)
4221                 return false;
4222
4223         switch (pdrvinfo->RxRate) {
4224         case DESC90_RATE1M:
4225         case DESC90_RATE2M:
4226         case DESC90_RATE5_5M:
4227         case DESC90_RATE11M:
4228                 return true;
4229         default:
4230                 return false;
4231         }
4232 }
4233
4234 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4235                                       struct ieee80211_rx_stats *pstats,
4236                                       rx_drvinfo_819x_usb  *pdrvinfo,
4237                                       struct ieee80211_rx_stats *precord_stats,
4238                                       bool bpacket_match_bssid,
4239                                       bool bpacket_toself,
4240                                       bool bPacketBeacon,
4241                                       bool bToSelfBA)
4242 {
4243         phy_sts_ofdm_819xusb_t *pofdm_buf;
4244         phy_sts_cck_819xusb_t   *pcck_buf;
4245         struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4246         u8      *prxpkt;
4247         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4248         s8      rx_pwr[4], rx_pwr_all = 0;
4249         s8      rx_snrX, rx_evmX;
4250         u8      evm, pwdb_all;
4251         u32     RSSI, total_rssi = 0;
4252         u8      is_cck_rate = 0;
4253         u8      rf_rx_num = 0;
4254         u8      sq;
4255
4256
4257         priv->stats.numqry_phystatus++;
4258
4259         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4260
4261         /* Record it for next packet processing */
4262         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4263         pstats->bPacketMatchBSSID =
4264                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4265         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4266         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4267         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4268         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4269
4270         prxpkt = (u8 *)pdrvinfo;
4271
4272         /* Move pointer to the 16th bytes. Phy status start address. */
4273         prxpkt += sizeof(rx_drvinfo_819x_usb);
4274
4275         /* Initial the cck and ofdm buffer pointer */
4276         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4277         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4278
4279         pstats->RxMIMOSignalQuality[0] = -1;
4280         pstats->RxMIMOSignalQuality[1] = -1;
4281         precord_stats->RxMIMOSignalQuality[0] = -1;
4282         precord_stats->RxMIMOSignalQuality[1] = -1;
4283
4284         if (is_cck_rate) {
4285                 /* (1)Hardware does not provide RSSI for CCK */
4286
4287                 /* (2)PWDB, Average PWDB calculated by hardware
4288                  * (for rate adaptive)
4289                  */
4290                 u8 report;
4291
4292                 priv->stats.numqry_phystatusCCK++;
4293
4294                 if (!priv->bCckHighPower) {
4295                         report = pcck_buf->cck_agc_rpt & 0xc0;
4296                         report >>= 6;
4297                         switch (report) {
4298                         case 0x3:
4299                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4300                                 break;
4301                         case 0x2:
4302                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4303                                 break;
4304                         case 0x1:
4305                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4306                                 break;
4307                         case 0x0:
4308                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4309                                 break;
4310                         }
4311                 } else {
4312                         report = pcck_buf->cck_agc_rpt & 0x60;
4313                         report >>= 5;
4314                         switch (report) {
4315                         case 0x3:
4316                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4317                                 break;
4318                         case 0x2:
4319                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4320                                 break;
4321                         case 0x1:
4322                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4323                                 break;
4324                         case 0x0:
4325                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4326                                 break;
4327                         }
4328                 }
4329
4330                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4331                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4332                 pstats->RecvSignalPower = pwdb_all;
4333
4334                 /* (3) Get Signal Quality (EVM) */
4335
4336                 if (pstats->RxPWDBAll > 40) {
4337                         sq = 100;
4338                 } else {
4339                         sq = pcck_buf->sq_rpt;
4340
4341                         if (pcck_buf->sq_rpt > 64)
4342                                 sq = 0;
4343                         else if (pcck_buf->sq_rpt < 20)
4344                                 sq = 100;
4345                         else
4346                                 sq = ((64 - sq) * 100) / 44;
4347                 }
4348                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4349                 pstats->RxMIMOSignalQuality[0] =
4350                         precord_stats->RxMIMOSignalQuality[0] = sq;
4351                 pstats->RxMIMOSignalQuality[1] =
4352                         precord_stats->RxMIMOSignalQuality[1] = -1;
4353
4354         } else {
4355                 priv->stats.numqry_phystatusHT++;
4356
4357                 /* (1)Get RSSI for HT rate */
4358                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4359                         /* We will judge RF RX path now. */
4360                         if (priv->brfpath_rxenable[i])
4361                                 rf_rx_num++;
4362                         else
4363                                 continue;
4364
4365                         if (!rtl8192_phy_CheckIsLegalRFPath(
4366                                         priv->ieee80211->dev, i))
4367                                 continue;
4368
4369                         rx_pwr[i] =
4370                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4371
4372                         /* Get Rx snr value in DB */
4373                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4374                         rx_snrX = (s8)(tmp_rxsnr);
4375                         rx_snrX /= 2;
4376                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4377
4378                         /* Translate DBM to percentage. */
4379                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4380                         total_rssi += RSSI;
4381
4382                         /* Record Signal Strength for next packet */
4383                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4384                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4385                 }
4386
4387
4388                 /* (2)PWDB, Average PWDB calculated by hardware
4389                  * (for rate adaptive)
4390                  */
4391                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4392                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4393
4394                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4395                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4396
4397                 /* (3)EVM of HT rate */
4398                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4399                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4400                         /* both spatial stream make sense */
4401                         max_spatial_stream = 2;
4402                 else
4403                         /* only spatial stream 1 makes sense */
4404                         max_spatial_stream = 1;
4405
4406                 for (i = 0; i < max_spatial_stream; i++) {
4407                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4408                         rx_evmX = (s8)(tmp_rxevm);
4409
4410                         /* Do not use shift operation like "rx_evmX >>= 1"
4411                          * because the compiler of free build environment will
4412                          * set the most significant bit to "zero" when doing
4413                          * shifting operation which may change a negative value
4414                          * to positive one, then the dbm value (which is
4415                          * supposed to be negative) is not correct anymore.
4416                          */
4417                         rx_evmX /= 2;   /* dbm */
4418
4419                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4420                         if (i == 0)
4421                                 /* Fill value in RFD, Get the first spatial
4422                                  * stream only
4423                                  */
4424                                 pstats->SignalQuality =
4425                                         precord_stats->SignalQuality =
4426                                         evm & 0xff;
4427                         pstats->RxMIMOSignalQuality[i] =
4428                                 precord_stats->RxMIMOSignalQuality[i] =
4429                                 evm & 0xff;
4430                 }
4431
4432
4433                 /* record rx statistics for debug */
4434                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4435                 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4436                         &rxsc_sgien_exflg;
4437                 if (pdrvinfo->BW)       /* 40M channel */
4438                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4439                 else                    /* 20M channel */
4440                         priv->stats.received_bwtype[0]++;
4441         }
4442
4443         /* UI BSS List signal strength(in percentage), make it good looking,
4444          * from 0~100. It is assigned to the BSS List in
4445          * GetValueFromBeaconOrProbeRsp().
4446          */
4447         if (is_cck_rate) {
4448                 pstats->SignalStrength =
4449                         precord_stats->SignalStrength =
4450                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4451         } else {
4452                 /* We can judge RX path number now. */
4453                 if (rf_rx_num != 0) {
4454                         pstats->SignalStrength =
4455                                 precord_stats->SignalStrength =
4456                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4457                 }
4458         }
4459 }       /* QueryRxPhyStatus8190Pci */
4460
4461 static void rtl8192_record_rxdesc_forlateruse(
4462                 struct ieee80211_rx_stats *psrc_stats,
4463                 struct ieee80211_rx_stats *ptarget_stats)
4464 {
4465         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4466         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4467         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4468 }
4469
4470
4471 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4472                                           struct ieee80211_rx_stats *pstats,
4473                                           rx_drvinfo_819x_usb  *pdrvinfo)
4474 {
4475         /* TODO: We must only check packet for current MAC address.
4476          * Not finish
4477          */
4478         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4479         struct net_device *dev = info->dev;
4480         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4481         bool bpacket_match_bssid, bpacket_toself;
4482         bool bPacketBeacon = false, bToSelfBA = false;
4483         static struct ieee80211_rx_stats  previous_stats;
4484         struct rtl_80211_hdr_3addr *hdr;
4485         u16 fc, type;
4486
4487         /* Get Signal Quality for only RX data queue (but not command queue) */
4488
4489         u8 *tmp_buf;
4490         u8  *praddr;
4491
4492         /* Get MAC frame start address. */
4493         tmp_buf = (u8 *)skb->data;
4494
4495         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4496         fc = le16_to_cpu(hdr->frame_ctl);
4497         type = WLAN_FC_GET_TYPE(fc);
4498         praddr = hdr->addr1;
4499
4500         /* Check if the received packet is acceptable. */
4501         bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4502                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4503                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4504         bpacket_toself =  bpacket_match_bssid &
4505                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4506
4507         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4508                 bPacketBeacon = true;
4509         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4510                 if ((eqMacAddr(praddr, dev->dev_addr)))
4511                         bToSelfBA = true;
4512         }
4513
4514
4515
4516         if (bpacket_match_bssid)
4517                 priv->stats.numpacket_matchbssid++;
4518         if (bpacket_toself)
4519                 priv->stats.numpacket_toself++;
4520         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4521          * Because phy information is contained in the last packet of AMPDU
4522          * only, so driver should process phy information of previous packet
4523          */
4524         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4525         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4526                                   bpacket_match_bssid, bpacket_toself,
4527                                   bPacketBeacon, bToSelfBA);
4528         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4529 }
4530
4531 /**
4532  * Function:    UpdateReceivedRateHistogramStatistics
4533  * Overview:    Record the received data rate
4534  *
4535  * Input:
4536  *      struct net_device *dev
4537  *      struct ieee80211_rx_stats *stats
4538  *
4539  * Output:
4540  *
4541  *                      (priv->stats.ReceivedRateHistogram[] is updated)
4542  * Return:
4543  *              None
4544  */
4545 static void
4546 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4547                                           struct ieee80211_rx_stats *stats)
4548 {
4549         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4550         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4551         u32 rcvType = 1;
4552         u32 rateIndex;
4553         /* 1: short preamble/GI, 0: long preamble/GI */
4554         u32 preamble_guardinterval;
4555
4556
4557         if (stats->bCRC)
4558                 rcvType = 2;
4559         else if (stats->bICV)
4560                 rcvType = 3;
4561
4562         if (stats->bShortPreamble)
4563                 preamble_guardinterval = 1; /* short */
4564         else
4565                 preamble_guardinterval = 0; /* long */
4566
4567         switch (stats->rate) {
4568         /* CCK rate */
4569         case MGN_1M:
4570                 rateIndex = 0;
4571                 break;
4572         case MGN_2M:
4573                 rateIndex = 1;
4574                 break;
4575         case MGN_5_5M:
4576                 rateIndex = 2;
4577                 break;
4578         case MGN_11M:
4579                 rateIndex = 3;
4580                 break;
4581         /* Legacy OFDM rate */
4582         case MGN_6M:
4583                 rateIndex = 4;
4584                 break;
4585         case MGN_9M:
4586                 rateIndex = 5;
4587                 break;
4588         case MGN_12M:
4589                 rateIndex = 6;
4590                 break;
4591         case MGN_18M:
4592                 rateIndex = 7;
4593                 break;
4594         case MGN_24M:
4595                 rateIndex = 8;
4596                 break;
4597         case MGN_36M:
4598                 rateIndex = 9;
4599                 break;
4600         case MGN_48M:
4601                 rateIndex = 10;
4602                 break;
4603         case MGN_54M:
4604                 rateIndex = 11;
4605                 break;
4606         /* 11n High throughput rate */
4607         case MGN_MCS0:
4608                 rateIndex = 12;
4609                 break;
4610         case MGN_MCS1:
4611                 rateIndex = 13;
4612                 break;
4613         case MGN_MCS2:
4614                 rateIndex = 14;
4615                 break;
4616         case MGN_MCS3:
4617                 rateIndex = 15;
4618                 break;
4619         case MGN_MCS4:
4620                 rateIndex = 16;
4621                 break;
4622         case MGN_MCS5:
4623                 rateIndex = 17;
4624                 break;
4625         case MGN_MCS6:
4626                 rateIndex = 18;
4627                 break;
4628         case MGN_MCS7:
4629                 rateIndex = 19;
4630                 break;
4631         case MGN_MCS8:
4632                 rateIndex = 20;
4633                 break;
4634         case MGN_MCS9:
4635                 rateIndex = 21;
4636                 break;
4637         case MGN_MCS10:
4638                 rateIndex = 22;
4639                 break;
4640         case MGN_MCS11:
4641                 rateIndex = 23;
4642                 break;
4643         case MGN_MCS12:
4644                 rateIndex = 24;
4645                 break;
4646         case MGN_MCS13:
4647                 rateIndex = 25;
4648                 break;
4649         case MGN_MCS14:
4650                 rateIndex = 26;
4651                 break;
4652         case MGN_MCS15:
4653                 rateIndex = 27;
4654                 break;
4655         default:
4656                 rateIndex = 28;
4657                 break;
4658         }
4659         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4660         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4661         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4662 }
4663
4664
4665 static void query_rxdesc_status(struct sk_buff *skb,
4666                                 struct ieee80211_rx_stats *stats,
4667                                 bool bIsRxAggrSubframe)
4668 {
4669         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4670         struct net_device *dev = info->dev;
4671         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4672         rx_drvinfo_819x_usb  *driver_info = NULL;
4673
4674         /* Get Rx Descriptor Information */
4675         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4676
4677         stats->Length = desc->Length;
4678         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4679         stats->RxBufShift = 0;
4680         stats->bICV = desc->ICV;
4681         stats->bCRC = desc->CRC32;
4682         stats->bHwError = stats->bCRC | stats->bICV;
4683         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4684         stats->Decrypted = !desc->SWDec;
4685
4686         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4687             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4688                 stats->bHwError = false;
4689         else
4690                 stats->bHwError = stats->bCRC | stats->bICV;
4691
4692         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4693                 stats->bHwError |= 1;
4694         /* Get Driver Info */
4695         /* TODO: Need to verify it on FGPA platform
4696          * Driver info are written to the RxBuffer following rx desc
4697          */
4698         if (stats->RxDrvInfoSize != 0) {
4699                 driver_info = (rx_drvinfo_819x_usb *)(
4700                                 skb->data
4701                                 + sizeof(rx_desc_819x_usb)
4702                                 + stats->RxBufShift
4703                               );
4704                 /* unit: 0.5M */
4705                 /* TODO */
4706                 if (!stats->bHwError) {
4707                         u8      ret_rate;
4708
4709                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4710                                                    driver_info->RxRate);
4711                         if (ret_rate == 0xff) {
4712                                 /* Abnormal Case: Receive CRC OK packet with Rx
4713                                  * descriptor indicating non supported rate.
4714                                  * Special Error Handling here
4715                                  */
4716
4717                                 stats->bHwError = 1;
4718                                 /* Set 1M rate by default */
4719                                 stats->rate = MGN_1M;
4720                         } else {
4721                                 stats->rate = ret_rate;
4722                         }
4723                 } else {
4724                         stats->rate = 0x02;
4725                 }
4726
4727                 stats->bShortPreamble = driver_info->SPLCP;
4728
4729
4730                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4731
4732                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4733                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4734                                     (driver_info->FirstAGGR == 1);
4735                 stats->TimeStampLow = driver_info->TSFL;
4736
4737                 UpdateRxPktTimeStamp8190(dev, stats);
4738
4739                 /* Rx A-MPDU */
4740                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4741                         RT_TRACE(COMP_RXDESC,
4742                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4743                                  driver_info->FirstAGGR, driver_info->PartAggr);
4744         }
4745
4746         skb_pull(skb, sizeof(rx_desc_819x_usb));
4747         /* Get Total offset of MPDU Frame Body */
4748         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4749                 stats->bShift = 1;
4750                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4751         }
4752
4753         if (driver_info) {
4754                 stats->RxIs40MHzPacket = driver_info->BW;
4755                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4756         }
4757 }
4758
4759 static void rtl8192_rx_nomal(struct sk_buff *skb)
4760 {
4761         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4762         struct net_device *dev = info->dev;
4763         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4764         struct ieee80211_rx_stats stats = {
4765                 .signal = 0,
4766                 .noise = 0x100 - 98,
4767                 .rate = 0,
4768                 .freq = IEEE80211_24GHZ_BAND,
4769         };
4770         u32 rx_pkt_len = 0;
4771         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4772         bool unicast_packet = false;
4773
4774         /* 20 is for ps-poll */
4775         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4776                 /* first packet should not contain Rx aggregation header */
4777                 query_rxdesc_status(skb, &stats, false);
4778                 /* TODO */
4779                 /* hardware related info */
4780                 /* Process the MPDU received */
4781                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4782
4783                 rx_pkt_len = skb->len;
4784                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4785                 unicast_packet = false;
4786                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4787                         /* TODO */
4788                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4789                         /* TODO */
4790                 } else {
4791                         /* unicast packet */
4792                         unicast_packet = true;
4793                 }
4794
4795                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4796                         dev_kfree_skb_any(skb);
4797                 } else {
4798                         priv->stats.rxoktotal++;
4799                         if (unicast_packet)
4800                                 priv->stats.rxbytesunicast += rx_pkt_len;
4801                 }
4802         } else {
4803                 priv->stats.rxurberr++;
4804                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4805                 dev_kfree_skb_any(skb);
4806         }
4807 }
4808
4809 static void rtl819xusb_process_received_packet(
4810                 struct net_device *dev,
4811                 struct ieee80211_rx_stats *pstats)
4812 {
4813         u8      *frame;
4814         u16     frame_len = 0;
4815         struct r8192_priv *priv = ieee80211_priv(dev);
4816
4817         /* Get shifted bytes of Starting address of 802.11 header. */
4818         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4819         frame = pstats->virtual_address;
4820         frame_len = pstats->packetlength;
4821 #ifdef TODO     /* about HCT */
4822         if (!Adapter->bInHctTest)
4823                 CountRxErrStatistics(Adapter, pRfd);
4824 #endif
4825 #ifdef ENABLE_PS  /* for adding ps function in future */
4826         RT_RF_POWER_STATE rtState;
4827         /* When RF is off, we should not count the packet for hw/sw synchronize
4828          * reason, ie. there may be a duration while sw switch is changed and
4829          * hw switch is being changed.
4830          */
4831         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4832                                          (u8 *)(&rtState));
4833         if (rtState == eRfOff)
4834                 return;
4835 #endif
4836         priv->stats.rxframgment++;
4837
4838 #ifdef TODO
4839         RmMonitorSignalStrength(Adapter, pRfd);
4840 #endif
4841         /* We have to release RFD and return if rx pkt is cmd pkt. */
4842         if (rtl819xusb_rx_command_packet(dev, pstats))
4843                 return;
4844
4845 #ifdef SW_CRC_CHECK
4846         SwCrcCheck();
4847 #endif
4848
4849
4850 }
4851
4852 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4853                                         struct ieee80211_rx_stats *stats)
4854 {
4855         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4856
4857         /* Get Rx Descriptor Information */
4858         stats->virtual_address = (u8 *)skb->data;
4859         stats->Length = desc->Length;
4860         stats->RxDrvInfoSize = 0;
4861         stats->RxBufShift = 0;
4862         stats->packetlength = stats->Length - scrclng;
4863         stats->fraglength = stats->packetlength;
4864         stats->fragoffset = 0;
4865         stats->ntotalfrag = 1;
4866 }
4867
4868
4869 static void rtl8192_rx_cmd(struct sk_buff *skb)
4870 {
4871         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4872         struct net_device *dev = info->dev;
4873         /* TODO */
4874         struct ieee80211_rx_stats stats = {
4875                 .signal = 0,
4876                 .noise = 0x100 - 98,
4877                 .rate = 0,
4878                 .freq = IEEE80211_24GHZ_BAND,
4879         };
4880
4881         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4882                 query_rx_cmdpkt_desc_status(skb, &stats);
4883                 /* prfd->queue_id = 1; */
4884
4885                 /* Process the command packet received. */
4886
4887                 rtl819xusb_process_received_packet(dev, &stats);
4888
4889                 dev_kfree_skb_any(skb);
4890         }
4891 }
4892
4893 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4894 {
4895         struct sk_buff *skb;
4896         struct rtl8192_rx_info *info;
4897
4898         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4899                 info = (struct rtl8192_rx_info *)skb->cb;
4900                 switch (info->out_pipe) {
4901                 /* Nomal packet pipe */
4902                 case 3:
4903                         priv->IrpPendingCount--;
4904                         rtl8192_rx_nomal(skb);
4905                         break;
4906
4907                 /* Command packet pipe */
4908                 case 9:
4909                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4910                                  info->out_pipe);
4911
4912                         rtl8192_rx_cmd(skb);
4913                         break;
4914
4915                 default: /* should never get here! */
4916                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4917                                  info->out_pipe);
4918                         dev_kfree_skb(skb);
4919                         break;
4920                 }
4921         }
4922 }
4923
4924 static const struct net_device_ops rtl8192_netdev_ops = {
4925         .ndo_open               = rtl8192_open,
4926         .ndo_stop               = rtl8192_close,
4927         .ndo_get_stats          = rtl8192_stats,
4928         .ndo_tx_timeout         = tx_timeout,
4929         .ndo_do_ioctl           = rtl8192_ioctl,
4930         .ndo_set_rx_mode        = r8192_set_multicast,
4931         .ndo_set_mac_address    = r8192_set_mac_adr,
4932         .ndo_validate_addr      = eth_validate_addr,
4933         .ndo_start_xmit         = ieee80211_xmit,
4934 };
4935
4936
4937 /****************************************************************************
4938  *    ---------------------------- USB_STUFF---------------------------
4939  *****************************************************************************/
4940
4941 static int rtl8192_usb_probe(struct usb_interface *intf,
4942                              const struct usb_device_id *id)
4943 {
4944         struct net_device *dev = NULL;
4945         struct r8192_priv *priv = NULL;
4946         struct usb_device *udev = interface_to_usbdev(intf);
4947         int ret;
4948
4949         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4950
4951         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4952         if (!dev)
4953                 return -ENOMEM;
4954
4955         usb_set_intfdata(intf, dev);
4956         SET_NETDEV_DEV(dev, &intf->dev);
4957         priv = ieee80211_priv(dev);
4958         priv->ieee80211 = netdev_priv(dev);
4959         priv->udev = udev;
4960
4961         dev->netdev_ops = &rtl8192_netdev_ops;
4962
4963         dev->wireless_handlers = &r8192_wx_handlers_def;
4964
4965         dev->type = ARPHRD_ETHER;
4966
4967         dev->watchdog_timeo = HZ * 3;
4968
4969         if (dev_alloc_name(dev, ifname) < 0) {
4970                 RT_TRACE(COMP_INIT,
4971                          "Oops: devname already taken! Trying wlan%%d...\n");
4972                 ifname = "wlan%d";
4973                 dev_alloc_name(dev, ifname);
4974         }
4975
4976         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4977         if (rtl8192_init(dev) != 0) {
4978                 RT_TRACE(COMP_ERR, "Initialization failed");
4979                 ret = -ENODEV;
4980                 goto fail;
4981         }
4982         netif_carrier_off(dev);
4983         netif_stop_queue(dev);
4984
4985         ret = register_netdev(dev);
4986         if (ret)
4987                 goto fail2;
4988
4989         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4990         rtl8192_proc_init_one(dev);
4991
4992
4993         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4994         return 0;
4995
4996 fail2:
4997         rtl8192_down(dev);
4998         kfree(priv->pFirmware);
4999         priv->pFirmware = NULL;
5000         rtl8192_usb_deleteendpoints(dev);
5001         mdelay(10);
5002 fail:
5003         free_ieee80211(dev);
5004
5005         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5006         return ret;
5007 }
5008
5009 /* detach all the work and timer structure declared or inititialize
5010  * in r8192U_init function.
5011  */
5012 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5013 {
5014         cancel_work_sync(&priv->reset_wq);
5015         cancel_delayed_work(&priv->watch_dog_wq);
5016         cancel_delayed_work(&priv->update_beacon_wq);
5017         cancel_work_sync(&priv->qos_activate);
5018 }
5019
5020
5021 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5022 {
5023         struct net_device *dev = usb_get_intfdata(intf);
5024         struct r8192_priv *priv = ieee80211_priv(dev);
5025
5026         if (dev) {
5027                 unregister_netdev(dev);
5028
5029                 RT_TRACE(COMP_DOWN,
5030                          "=============>wlan driver to be removed\n");
5031                 rtl8192_proc_remove_one(dev);
5032
5033                 rtl8192_down(dev);
5034                 kfree(priv->pFirmware);
5035                 priv->pFirmware = NULL;
5036                 rtl8192_usb_deleteendpoints(dev);
5037                 mdelay(10);
5038         }
5039         free_ieee80211(dev);
5040         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5041 }
5042
5043 static int __init rtl8192_usb_module_init(void)
5044 {
5045         int ret;
5046
5047 #ifdef CONFIG_IEEE80211_DEBUG
5048         ret = ieee80211_debug_init();
5049         if (ret) {
5050                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5051                 return ret;
5052         }
5053 #endif
5054         ret = ieee80211_crypto_init();
5055         if (ret) {
5056                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5057                 return ret;
5058         }
5059
5060         ret = ieee80211_crypto_tkip_init();
5061         if (ret) {
5062                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5063                 return ret;
5064         }
5065
5066         ret = ieee80211_crypto_ccmp_init();
5067         if (ret) {
5068                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5069                 return ret;
5070         }
5071
5072         ret = ieee80211_crypto_wep_init();
5073         if (ret) {
5074                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5075                 return ret;
5076         }
5077
5078         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5079         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5080         RT_TRACE(COMP_INIT, "Initializing module");
5081         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5082         rtl8192_proc_module_init();
5083         return usb_register(&rtl8192_usb_driver);
5084 }
5085
5086
5087 static void __exit rtl8192_usb_module_exit(void)
5088 {
5089         usb_deregister(&rtl8192_usb_driver);
5090
5091         RT_TRACE(COMP_DOWN, "Exiting");
5092 }
5093
5094 void EnableHWSecurityConfig8192(struct net_device *dev)
5095 {
5096         u8 SECR_value = 0x0;
5097         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5098         struct ieee80211_device *ieee = priv->ieee80211;
5099
5100         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5101         if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5102                 SECR_value |= SCR_RxUseDK;
5103                 SECR_value |= SCR_TxUseDK;
5104         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5105                 SECR_value |= SCR_RxUseDK;
5106                 SECR_value |= SCR_TxUseDK;
5107         }
5108         /* add HWSec active enable here.
5109          * default using hwsec. when peer AP is in N mode only and
5110          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5111          * it), use software security. when peer AP is in b,g,n mode mixed and
5112          * pairwise_key_type is none_aes, use g mode hw security.
5113          */
5114
5115         ieee->hwsec_active = 1;
5116
5117         /* add hwsec_support flag to totol control hw_sec on/off */
5118         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5119                 ieee->hwsec_active = 0;
5120                 SECR_value &= ~SCR_RxDecEnable;
5121         }
5122         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5123                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5124                  SECR_value);
5125         write_nic_byte(dev, SECR,  SECR_value);
5126 }
5127
5128
5129 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5130             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5131 {
5132         u32 TargetCommand = 0;
5133         u32 TargetContent = 0;
5134         u16 usConfig = 0;
5135         u8 i;
5136
5137         if (EntryNo >= TOTAL_CAM_ENTRY)
5138                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5139
5140         RT_TRACE(COMP_SEC,
5141                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5142                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5143
5144         if (DefaultKey)
5145                 usConfig |= BIT(15) | (KeyType << 2);
5146         else
5147                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5148
5149
5150         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5151                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5152                 TargetCommand |= BIT(31) | BIT(16);
5153
5154                 if (i == 0) { /* MAC|Config */
5155                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5156                                         (u32)(*(MacAddr + 1)) << 24 |
5157                                         (u32)usConfig;
5158
5159                         write_nic_dword(dev, WCAMI, TargetContent);
5160                         write_nic_dword(dev, RWCAM, TargetCommand);
5161                 } else if (i == 1) { /* MAC */
5162                         TargetContent = (u32)(*(MacAddr + 2))    |
5163                                         (u32)(*(MacAddr + 3)) <<  8 |
5164                                         (u32)(*(MacAddr + 4)) << 16 |
5165                                         (u32)(*(MacAddr + 5)) << 24;
5166                         write_nic_dword(dev, WCAMI, TargetContent);
5167                         write_nic_dword(dev, RWCAM, TargetCommand);
5168                 } else {
5169                         /* Key Material */
5170                         if (KeyContent) {
5171                                 write_nic_dword(dev, WCAMI,
5172                                                 *(KeyContent + i - 2));
5173                                 write_nic_dword(dev, RWCAM, TargetCommand);
5174                         }
5175                 }
5176         }
5177 }
5178
5179 /***************************************************************************
5180  *    ------------------- module init / exit stubs ----------------
5181  ****************************************************************************/
5182 module_init(rtl8192_usb_module_init);
5183 module_exit(rtl8192_usb_module_exit);